1 /*

     2 * Copyright (c) 2006 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:  Input method related functionality.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CPHONEQWERTYHANDLER_H

    21 #define CPHONEQWERTYHANDLER_H

    22 

    23 //  INCLUDES

    24 #include <e32base.h>

    25 #include "mphoneqwertymodeobserver.h"

    26 #include "mphonelangsettingobserver.h"

    27 #include <PtiDefs.h>

    28 #include <w32std.h>

    29 

    30 // CONSTANTS

    31 

    32 // FORWARD DECLARATIONS

    33 class CPhoneLangSettingMonitor;

    34 class CPhoneQwertyModeMonitor;

    35 

    36 // CLASS DECLARATION

    37 

    38 /**

    39 *  Input method related functionality.

    40 *

    41 */

    42 class CPhoneQwertyHandler : public CBase, 

    43                             private MPhoneLangSettingObserver,

    44                             private MPhoneQwertyModeObserver

    45     {

    46     friend class T_CPhoneQwertyHandlerUT;

    47     

    48     public:

    49 

    50         /**

    51         * Two-phased constructor.

    52         */

    53         IMPORT_C static CPhoneQwertyHandler* NewL();

    54         

    55         /**

    56         * Destructor.

    57         */

    58         IMPORT_C virtual ~CPhoneQwertyHandler();

    59 

    60         /**

    61         * Checks if qwerty input is used.

    62         * @return ETrue if in qwerty mode.

    63         */

    64         IMPORT_C TBool IsQwertyInput() const;

    65         

    66         /**

    67         * Gets keycode according to current keyboard mapping. 

    68         */

    69         IMPORT_C TInt NumericKeyCode( const TKeyEvent& aKeyEvent );

    70 

    71         /**

    72         * Converts the key code of the event to numeric mode code and removes

    73         * any modifiers so that editor component will not do any more conversions.

    74         * Does nothing if the key doesn't map to any numeric mode characters.

    75         * @return ETrue if key contained any numeric mode character

    76         */

    77         IMPORT_C TBool ConvertToNumeric( TKeyEvent& aKeyEvent );

    78 

    79         /**

    80         * Add qwerty mode observer. 

    81         */

    82         IMPORT_C void AddQwertyModeObserverL( MPhoneQwertyModeObserver& aObserver );

    83 

    84     private:

    85     

    86         /**

    87         * @see MIdleLangSettingObserver.

    88         */

    89         void HandleInputLanguageSettingChange( TInt aLanguage );

    90         

    91         /**

    92         * @see MIdleQwertyModeObserver.

    93         */

    94         void HandleQwertyModeChange( TInt aMode );

    95         

    96         /**

    97         * @see MIdleQwertyModeObserver.

    98         */

    99         void HandleKeyboardLayoutChange();

   100 

   101         /**

   102         * C++ default constructor.

   103         */

   104         CPhoneQwertyHandler();

   105         

   106         /**

   107         * By default Symbian 2nd phase constructor is private.

   108         */

   109         void ConstructL();

   110         

   111         /**

   112         * LoadNumericKeyBindings

   113         */

   114         void LoadNumericKeyBindings( TInt aLanguage, TInt aKeyboard );

   115         

   116         /**

   117          * Check if given character is a number character

   118          */

   119         TBool IsNumber( TText aChar ) const;

   120 

   121 

   122     private:    // Data

   123         

   124         // Input language

   125         TInt iInputLanguageId;

   126         

   127         // Qwerty mode

   128         TInt iQwertyMode;

   129         

   130         // Language setting monitor

   131         CPhoneLangSettingMonitor* iLangSettingMonitor;

   132         

   133         // Qwerty mode monitor

   134         CPhoneQwertyModeMonitor* iQwertyModeMonitor;

   135         

   136         // RArray

   137         RArray<TPtiNumericKeyBinding> iNumericKeys;

   138     };

   139 

   140 #endif // CPHONEQWERTYHANDLER_H   

   141             

   142 // End of File