1 /*

     2 * Copyright (c) 2008 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:  Declares main application class.

    15  *

    16 */

    17 

    18 

    19 #ifndef __DECODE_H

    20 #define __DECODE_H

    21 

    22 // INCLUDES

    23 #include "hidkeys.h"

    24 

    25 // FORWARD DECLARATIONS

    26 

    27 class CScanCodeStore;

    28 class CKeyboardLayout;

    29 class TDecodedKeyInfo;

    30 class TKeyEventInfo;

    31 

    32 // CLASS DECLARATION

    33 class CKeyboardDecoder : public CBase

    34     {

    35 public:

    36     static CKeyboardDecoder* NewL();

    37     virtual ~CKeyboardDecoder();

    38 

    39     void Event(const TKeyEventInfo& aKeyEvent, TDecodedKeyInfo &aDecodedKeys);

    40     void SetLayout(CKeyboardLayout* aLayout);

    41     void Reset();

    42 

    43 private:

    44     CKeyboardDecoder();

    45     void ConstructL();

    46 

    47     void ProcessDeadKeys(TUint16 aUnicodeKey, TInt aHidKey, TInt aUsagePage,

    48             TDecodedKeyInfo &aDecodedKeys);

    49     TBool HandleRightAlt(const TKeyEventInfo &aEvent,

    50             TDecodedKeyInfo& aDecodedKeys);

    51 

    52 private:

    53     TTranslatedKey iDeadKey;

    54     CKeyboardLayout* iLayout;

    55     CScanCodeStore* iScanCodes;

    56 

    57     TBool iAltGrSequence;

    58     TInt iNumKeysDown;

    59     };

    60 

    61 #endif