textinput/peninputgenerichwr/src/peninputhwrarabiclayout.cpp
branchRCL_3
changeset 21 ecbabf52600f
parent 0 eb1f2e154e89
equal deleted inserted replaced
20:ebd48d2de13c 21:ecbabf52600f
       
     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:  generic HWR layout
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // System includes
       
    20 #include <aknfeppeninputenums.h>    // Command from fep or IME to plugin
       
    21 #include <AknFepGlobalEnums.h>      // Define EPluginInputModeHwr
       
    22 #include <peninputcmd.h>            // Use global signal
       
    23 #include <peninputpluginutils.h>    // Use resource utils and laf env
       
    24 #include <peninputlayoutchoicelist.h>
       
    25 #include <peninputlayoutbutton.h>
       
    26 #include <peninputdragbutton.h>
       
    27 #include <peninputcommonlayoutglobalenum.h>
       
    28 #include <peninputdataconverter.h>
       
    29 
       
    30 // User includes
       
    31 #include "peninputhwrarabic.hrh"
       
    32 //#include "peninputhwrevent.h"
       
    33 #include "peninputuistatemgrinterface.h"
       
    34 #include "peninputhwrarabiclayout.h"
       
    35 #include "peninputhwrarabicwindow.h"
       
    36 #include "peninputhwrarabicdatamgr.h"
       
    37 #include "peninputhwrarabicstate.h"
       
    38 #include "peninputhwrarabicstatestandby.h"
       
    39 #include "peninputhwrarabicstatebeginwriting.h"
       
    40 #include "peninputhwrarabicstateendwriting.h"
       
    41 #include "peninputhwrboxarabicstatecandidateselecting.h"
       
    42 #include "peninputuistatemgr.h"
       
    43 #include "peninputlayouthwrwnd.h"
       
    44 
       
    45 // constant definition
       
    46 //const TInt KMaxPredictiveLen = 128;
       
    47 const TInt KMaxCandidateLen = 128;
       
    48 //const TUint16 KBackRep = 0x2408;
       
    49 // convert displayable backspace
       
    50 const TUint16 KBackRep = 0x2190;
       
    51 const TUint16 KEnterRep = 0xF801;
       
    52 const TUint16 KSpaceRep = 0xF800;
       
    53 //const TUint16 KEnterCode = 0x2029;
       
    54 
       
    55 // ======== MEMBER FUNCTIONS ========
       
    56 
       
    57 // ---------------------------------------------------------------------------
       
    58 // CPeninputHwrBxAbLayoutImp::NewL
       
    59 // (other items were commented in a header)
       
    60 // ---------------------------------------------------------------------------
       
    61 //    
       
    62 CPeninputHwrBxAbLayoutImp* CPeninputHwrBxAbLayoutImp::NewL( 
       
    63     TAny* /*aInitParams*/ )
       
    64     {
       
    65     CPeninputHwrBxAbLayoutImp* self = 
       
    66         new ( ELeave ) CPeninputHwrBxAbLayoutImp();
       
    67     CleanupStack::PushL( self );
       
    68     self->Construct(); 
       
    69     CleanupStack::Pop( self );
       
    70 
       
    71     return self;
       
    72     }
       
    73 
       
    74 // ---------------------------------------------------------------------------
       
    75 // CPeninputHwrBxAbLayoutImp::~CPeninputHwrBxAbLayoutImp
       
    76 // (other items were commented in a header)
       
    77 // ---------------------------------------------------------------------------
       
    78 //   
       
    79 CPeninputHwrBxAbLayoutImp::~CPeninputHwrBxAbLayoutImp()
       
    80     {
       
    81     }
       
    82 
       
    83 // ---------------------------------------------------------------------------
       
    84 // CPeninputHwrBxAbLayoutImp::CPeninputHwrBxAbLayoutImp
       
    85 // (other items were commented in a header)
       
    86 // ---------------------------------------------------------------------------
       
    87 //   
       
    88 CPeninputHwrBxAbLayoutImp::CPeninputHwrBxAbLayoutImp()
       
    89     {
       
    90     }
       
    91 
       
    92 // ---------------------------------------------------------------------------
       
    93 // CPeninputHwrBxAbLayoutImp::ConstructL
       
    94 // (other items were commented in a header)
       
    95 // ---------------------------------------------------------------------------
       
    96 //   
       
    97 void CPeninputHwrBxAbLayoutImp::Construct()
       
    98     {
       
    99     }
       
   100 
       
   101 // ---------------------------------------------------------------------------
       
   102 // CPeninputHwrBxAbLayoutImp::CreateFepUiLayoutL
       
   103 // (other items were commented in a header)
       
   104 // ---------------------------------------------------------------------------
       
   105 //   
       
   106 CFepUiLayout* CPeninputHwrBxAbLayoutImp::CreateFepUiLayoutL(
       
   107     MLayoutOwner* aLayoutOwner, const TAny* aData )
       
   108     {
       
   109     CPeninputHwrBxAbLayout* uiLayout = 
       
   110         CPeninputHwrBxAbLayout::NewL( aLayoutOwner, aData );
       
   111 
       
   112     return uiLayout;
       
   113     }
       
   114 
       
   115 // ---------------------------------------------------------------------------
       
   116 // CPeninputHwrBxAbLayout::NewL
       
   117 // (other items were commented in a header)
       
   118 // ---------------------------------------------------------------------------
       
   119 //   
       
   120 CPeninputHwrBxAbLayout* CPeninputHwrBxAbLayout::NewL( 
       
   121     MLayoutOwner* aLayoutOwner, 
       
   122     const TAny* aInitData )
       
   123     {
       
   124     CPeninputHwrBxAbLayout* self = 
       
   125         new ( ELeave ) CPeninputHwrBxAbLayout( aLayoutOwner );
       
   126     CleanupStack::PushL( self );
       
   127     self->ConstructL( aInitData );
       
   128     CleanupStack::Pop( self );
       
   129 
       
   130     return self;  
       
   131     }
       
   132 
       
   133 // ---------------------------------------------------------------------------
       
   134 // CPeninputHwrBxAbLayout::CPeninputHwrBxAbLayout
       
   135 // (other items were commented in a header)
       
   136 // ---------------------------------------------------------------------------
       
   137 //   
       
   138 CPeninputHwrBxAbLayout::CPeninputHwrBxAbLayout(
       
   139     MLayoutOwner* aLayoutOwner )
       
   140     : CPeninputCommonLayout( aLayoutOwner )
       
   141     {
       
   142     }
       
   143 
       
   144 // ---------------------------------------------------------------------------
       
   145 // CPeninputHwrBxAbLayout::~CPeninputHwrBxAbLayout
       
   146 // (other items were commented in a header)
       
   147 // ---------------------------------------------------------------------------
       
   148 //   
       
   149 CPeninputHwrBxAbLayout::~CPeninputHwrBxAbLayout()
       
   150     {    
       
   151     }        
       
   152 
       
   153 // ---------------------------------------------------------------------------
       
   154 // CPeninputHwrBxAbLayout::ConstructL
       
   155 // (other items were commented in a header)
       
   156 // ---------------------------------------------------------------------------
       
   157 //   
       
   158 void CPeninputHwrBxAbLayout::ConstructL( const TAny *aInitData )
       
   159     {
       
   160     CPeninputCommonLayout::ConstructL( aInitData ); 
       
   161 
       
   162     
       
   163     CPeninputHwrBxAbStateBase* initState = CPeninputHwrBxAbStateBase::NewL( UiStateMgr(), this );
       
   164     CPeninputHwrBxAbStateStandby* standbyState = CPeninputHwrBxAbStateStandby::NewL( UiStateMgr(), this );
       
   165     CPeninputHwrBxAbStateBeginWriting* beginWritingState = CPeninputHwrBxAbStateBeginWriting::NewL( UiStateMgr(), this );
       
   166     CPeninputHwrBxAbStateEndWriting* endWritingState = CPeninputHwrBxAbStateEndWriting::NewL( UiStateMgr(), this );
       
   167     CPeninputHwrBxAbStateCandidateSelecting* candSelectingState = CPeninputHwrBxAbStateCandidateSelecting::NewL( UiStateMgr(), this );
       
   168 
       
   169     UiStateMgr()->AddUiState( initState, EPeninputHwrBxAbStateInit );
       
   170     UiStateMgr()->AddUiState( standbyState, EPeninputHwrBxAbStateStandby );
       
   171     UiStateMgr()->AddUiState( beginWritingState, EPeninputHwrBxAbStateBeginWriting );
       
   172     UiStateMgr()->AddUiState( endWritingState, EPeninputHwrBxAbStateEndWriting );
       
   173     UiStateMgr()->AddUiState( candSelectingState, EPeninputHwrBxAbStateCandidateSelecting );
       
   174     UiStateMgr()->SetCurrentUiState( initState );
       
   175     }
       
   176 
       
   177 // ---------------------------------------------------------------------------
       
   178 // CPeninputHwrBxAbLayout::HandleCommand
       
   179 // (other items were commented in a header)
       
   180 // ---------------------------------------------------------------------------
       
   181 //   
       
   182 TInt CPeninputHwrBxAbLayout::HandleCommand( TInt aCmd, TUint8* aData )
       
   183     {
       
   184     CPeninputCommonLayout::HandleCommand( aCmd, aData );
       
   185     
       
   186     if ( aCmd == ECmdPenInputWindowOpen )
       
   187         {
       
   188         TInt curRange = CPeninputDataConverter::AnyToInt( RequestData( EPeninputDataTypeCurrentRange ) );
       
   189         UiStateMgr()->SetCurrentUiState( EPeninputHwrBxAbStateStandby );
       
   190         if (curRange == ERangeNative)
       
   191             {
       
   192             static_cast<CPeninputHwrBxAbWnd *>(LayoutWindow())->ResetAndShowDropdownList();
       
   193             }
       
   194         else
       
   195             {
       
   196             static_cast<CPeninputHwrBxAbWnd *>(LayoutWindow())->ClearAndCloseDropdownList();
       
   197             }
       
   198         }
       
   199     else if ( aCmd == ECmdPenInputWindowClose )
       
   200         {
       
   201         UiStateMgr()->SetCurrentUiState( EPeninputHwrBxAbStateInit );
       
   202         }
       
   203     else if( aCmd == ECmdPenInputLanguage )
       
   204         {
       
   205         ((CPeninputHwrBxAbWnd*)iLayoutWindow)->OnLanguageChange();
       
   206         }
       
   207     else if(aCmd == ECmdPenInputRange)
       
   208         {
       
   209         UiStateMgr()->SetCurrentUiState( EPeninputHwrBxAbStateStandby );        
       
   210         iLayoutWindow->SizeChanged(ETrue);
       
   211         }
       
   212     return KErrNone;    
       
   213     }
       
   214 
       
   215 // ---------------------------------------------------------------------------
       
   216 // CPeninputHwrBxAbLayout::HandleControlEvent
       
   217 // Handle event from control
       
   218 // ---------------------------------------------------------
       
   219 //
       
   220 void CPeninputHwrBxAbLayout::HandleControlEvent(TInt aEventType, CFepUiBaseCtrl* aCtrl, 
       
   221                                             const TDesC& aEventData)
       
   222     {
       
   223     MPeninputUiStateMgr * UIStateMgr = UiStateMgr();
       
   224     if (UIStateMgr)
       
   225         {    
       
   226         CPeninputHwrBxAbStateBase* current =
       
   227                         static_cast<CPeninputHwrBxAbStateBase*>(UIStateMgr->CurrentUiState());
       
   228         if (current)
       
   229             {
       
   230             TBuf<KMaxCandidateLen> charCode;
       
   231             TBool handled = EFalse;
       
   232             TRAPD(err, current->HandleControlEventPenL(aEventType, aEventData, *this, 
       
   233                                                         charCode, handled));
       
   234             if (KErrNone != err)
       
   235                 { // close peninput
       
   236                 CPeninputCommonLayout::HandleControlEvent(
       
   237                         EPeninputLayoutEventClose, NULL, KNullDesC);
       
   238                 handled = ETrue;
       
   239                 }
       
   240             if (handled)
       
   241                 {
       
   242                 return;
       
   243                 }
       
   244             }
       
   245         }
       
   246     CPeninputCommonLayout::HandleControlEvent(aEventType, aCtrl, aEventData);	
       
   247 
       
   248     return;
       
   249     }
       
   250 // ---------------------------------------------------------------------------
       
   251 // CPeninputHwrBxAbLayout::CreateLayoutWindowL
       
   252 // (other items were commented in a header)
       
   253 // ---------------------------------------------------------------------------
       
   254 //   
       
   255 void CPeninputHwrBxAbLayout::CreateLayoutWindowL()
       
   256     {
       
   257     iLayoutWindow = CPeninputHwrBxAbWnd::NewL( this, this );
       
   258     }
       
   259  
       
   260 // ---------------------------------------------------------------------------
       
   261 // CPeninputHwrBxAbLayout::CreateDataMgrL
       
   262 // (other items were commented in a header)
       
   263 // ---------------------------------------------------------------------------
       
   264 //      
       
   265 void CPeninputHwrBxAbLayout::CreateDataMgrL( const TAny* aInitData )
       
   266     {
       
   267     TPeninputLayoutData* layoutData = (TPeninputLayoutData*)aInitData;
       
   268 
       
   269     iDataMgr = CPeninputHwrBxAbDataMgr::NewL( this, (*layoutData).iPtiEngine );
       
   270     }    
       
   271 
       
   272 // ---------------------------------------------------------------------------
       
   273 // CPeninputHwrBxAbLayout::LayoutType
       
   274 // (other items were commented in a header)
       
   275 // ---------------------------------------------------------------------------
       
   276 //   
       
   277 TInt CPeninputHwrBxAbLayout::LayoutType()
       
   278     {
       
   279     return EPluginInputModeHwr;
       
   280     }
       
   281 
       
   282 // ---------------------------------------------------------------------------
       
   283 // CPeninputHwrBxAbLayout::SemiTransparencyRequired
       
   284 // (other items were commented in a header)
       
   285 // ---------------------------------------------------------------------------
       
   286 //   
       
   287 TBool CPeninputHwrBxAbLayout::SemiTransparencyRequired()
       
   288     {
       
   289     return ETrue;
       
   290     }
       
   291 
       
   292 // ---------------------------------------------------------------------------
       
   293 // CPeninputHwrBxAbLayout::LayoutWindow
       
   294 // (other items were commented in a header)
       
   295 // ---------------------------------------------------------------------------
       
   296 //
       
   297 CPeninputLayoutWindow* CPeninputHwrBxAbLayout::LayoutWindow() const
       
   298     {
       
   299     return iLayoutWindow;
       
   300     }
       
   301 
       
   302 // ---------------------------------------------------------------------------
       
   303 // CPeninputHwrBxAbLayout::TranslateCharCode
       
   304 // Translate the char code.
       
   305 // ---------------------------------------------------------
       
   306 //
       
   307 void CPeninputHwrBxAbLayout::TranslateCharCode( TDes& aCharCode )
       
   308     {
       
   309     TPtrC16 ptr;
       
   310     ptr.Set(&KBackRep, sizeof(KBackRep)/2);
       
   311     
       
   312     if (aCharCode.CompareC(ptr) == 0)
       
   313         {
       
   314         aCharCode.Zero();
       
   315         aCharCode.Append((TChar)EKeyBackspace);
       
   316         }
       
   317     else 
       
   318         {
       
   319         ptr.Set(&KSpaceRep, sizeof(KSpaceRep)/2);
       
   320         if (aCharCode.CompareC(ptr) == 0)
       
   321             {
       
   322             aCharCode.Zero();
       
   323             aCharCode.Append((TChar)EKeySpace);
       
   324             }
       
   325         else
       
   326             {
       
   327             ptr.Set(&KEnterRep, sizeof(KEnterRep)/2);
       
   328             if (aCharCode.CompareC(ptr) == 0)
       
   329                 {
       
   330                 aCharCode.Zero();
       
   331                 aCharCode.Append((TChar)EKeyEnter);
       
   332                 }
       
   333             }
       
   334         }
       
   335     }
       
   336 
       
   337 // ---------------------------------------------------------------------------
       
   338 // CPeninputHwrBxAbLayout::ReplaceL
       
   339 // Delete the previous charcode and submit the new one
       
   340 // ---------------------------------------------------------
       
   341 //
       
   342 void CPeninputHwrBxAbLayout::ReplaceL(const TDesC& aOldCharCode, const TDesC& aNewCharCode)
       
   343     {
       
   344     // user tries to correct the previous selection
       
   345     // Delete the previous character and append the new one
       
   346     _LIT(KSpaceChar, " ");
       
   347     TBuf<1> buf;
       
   348     buf.Zero();
       
   349     buf.Append(KSpaceChar);
       
   350     HBufC* p = NULL;
       
   351     HBufC* oldCharCode = aOldCharCode.AllocLC();
       
   352     HBufC* newCharCode = aNewCharCode.AllocLC();
       
   353             
       
   354     if (static_cast<CPeninputHwrBxAbWnd *>(LayoutWindow())->IsAddingSpace(newCharCode))
       
   355         {
       
   356         p = HBufC::New(aNewCharCode.Length() + 2 + buf.Length());
       
   357         }
       
   358     else
       
   359         {
       
   360         p = HBufC::New(aNewCharCode.Length() + 2);
       
   361         }
       
   362     if( p )
       
   363         {
       
   364         TInt len = aOldCharCode.Length();
       
   365         if (static_cast<CPeninputHwrBxAbWnd *>(LayoutWindow())->IsAddingSpace(oldCharCode))
       
   366             {
       
   367             len += buf.Length();
       
   368             }
       
   369         p->Des().Append((TUint16*)&len, 2);
       
   370         p->Des().Append(aNewCharCode);
       
   371         if (static_cast<CPeninputHwrBxAbWnd *>(LayoutWindow())->IsAddingSpace(newCharCode))
       
   372             {
       
   373             p->Des().Append(buf);
       
   374             }
       
   375         SignalOwner( ESignalReplaceText, *p );
       
   376         delete p;
       
   377         }
       
   378     CleanupStack::PopAndDestroy(newCharCode);
       
   379     CleanupStack::PopAndDestroy(oldCharCode);        
       
   380     }
       
   381 
       
   382 // ---------------------------------------------------------------------------
       
   383 // CPeninputHwrBxAbLayout::SubmitL
       
   384 // Submit the char code.
       
   385 // ---------------------------------------------------------
       
   386 //
       
   387 void CPeninputHwrBxAbLayout::SubmitL(const TDesC& aCharCode)
       
   388     {
       
   389     HBufC* buf = HBufC::NewLC(aCharCode.Length());
       
   390     TPtr charcode(buf->Des());
       
   391     charcode = aCharCode;
       
   392     TranslateCharCode( charcode );
       
   393     SignalOwner(ESignalKeyEvent, charcode);
       
   394     
       
   395     CleanupStack::PopAndDestroy(buf);
       
   396     }
       
   397 
       
   398 //End Of File