66
|
1 |
/*
|
|
2 |
* Copyright (c) 2003 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: ?Description
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
#ifndef CMIDKEYDECODER_H
|
|
20 |
#define CMIDKEYDECODER_H
|
|
21 |
|
|
22 |
#include <e32base.h>
|
|
23 |
#include <lcdui.h>
|
|
24 |
|
|
25 |
// CMIDQwertyWatch* iQwertyWatch
|
|
26 |
// monitoring status of qwerty input
|
|
27 |
#include "CMIDQwertyWatch.h"
|
|
28 |
|
|
29 |
// FORWARD DECLARATION
|
|
30 |
class CMIDDisplayable;
|
|
31 |
class CMIDMenuHandler;
|
|
32 |
class CMIDUIManager;
|
|
33 |
class CMIDRemConObserver;
|
|
34 |
class CRepository;
|
|
35 |
|
|
36 |
/** A private class containing key information,
|
|
37 |
such as name, key code and so forth. */
|
|
38 |
class TMIDKey
|
|
39 |
{
|
|
40 |
public:
|
|
41 |
TMIDKey(TInt aScanCode, TInt aMIDPCode, TInt aNameResId)
|
|
42 |
: iScanCode(aScanCode), iMIDPCode(aMIDPCode), iNameResId(aNameResId)
|
|
43 |
{ }
|
|
44 |
|
|
45 |
public:
|
|
46 |
/** The symbian physical scan code*/
|
|
47 |
TInt iScanCode;
|
|
48 |
|
|
49 |
/** They key code to be passed MIDP side */
|
|
50 |
TInt iMIDPCode;
|
|
51 |
|
|
52 |
/** The resource Id to load the key name from resource file */
|
|
53 |
TInt iNameResId;
|
|
54 |
};
|
|
55 |
|
|
56 |
/** A private class containing game action information,
|
|
57 |
can have one or more keys associated to it -
|
|
58 |
it must at least have one. */
|
|
59 |
class TMIDGameAction
|
|
60 |
{
|
|
61 |
public:
|
|
62 |
TMIDGameAction(TInt aActionCode) : iActionCode(aActionCode)
|
|
63 |
{ }
|
|
64 |
|
|
65 |
/** The action enumeration code as defined in MMIDUtils */
|
|
66 |
TInt iActionCode;
|
|
67 |
|
|
68 |
/** The MIDP keys codes associated with this game action */
|
|
69 |
RArray<TInt> iCodes;
|
|
70 |
};
|
|
71 |
|
|
72 |
/** Decodes scan codes and symbian
|
|
73 |
key codes into MIDP key codes and game actions.
|
|
74 |
It also converts key codes into key names.
|
|
75 |
|
|
76 |
This class is created and deleted by the menu hander,
|
|
77 |
which stores an instance of TlsStruct in the TLS.
|
|
78 |
|
|
79 |
@see CMIDMenuHandler, TlsStruct
|
|
80 |
*/
|
|
81 |
NONSHARABLE_CLASS(CMIDKeyDecoder): public CBase, public MMIDQwertyObserver
|
|
82 |
{
|
|
83 |
public:
|
|
84 |
//This is the preferred way to get hold of an instance of this object (singleton)
|
|
85 |
static CMIDKeyDecoder* Instance();
|
|
86 |
|
|
87 |
public:
|
|
88 |
//These are meant to be called only once by the menu handler at startup
|
|
89 |
static CMIDKeyDecoder* NewL(MMIDEnv& aEnv);
|
|
90 |
~CMIDKeyDecoder();
|
|
91 |
|
|
92 |
public:
|
|
93 |
//This is the public API
|
|
94 |
TInt GetKeyCode(TInt aGameAction);
|
|
95 |
void GetKeyName(TDes& aText,TInt aKeyCode);
|
|
96 |
TInt GameAction(TInt aKeyCode);
|
|
97 |
|
|
98 |
TBool IsJavaKey(TInt aScanCode);
|
|
99 |
TInt MapNonUnicodeKey(TUint aScanCode);
|
|
100 |
|
|
101 |
/**
|
|
102 |
* Checks if media key support is enabled.
|
|
103 |
*
|
|
104 |
* @return ETrue, if media key support is enabled.
|
|
105 |
* @since S60 3.2
|
|
106 |
*/
|
|
107 |
TBool MediaKeysEnabled() const;
|
|
108 |
|
|
109 |
/**
|
|
110 |
* Returns a pointer to the CMIDRemConObserver object.
|
|
111 |
*
|
|
112 |
* @return Pointer to CMIDRemConObserver if it exists, or NULL.
|
|
113 |
* @since S60 3.2
|
|
114 |
*/
|
|
115 |
CMIDRemConObserver* GetRemConObserver();
|
|
116 |
|
|
117 |
/**
|
|
118 |
* Returns scan code for additional selection key mapping
|
|
119 |
*
|
|
120 |
* @return scan code for additional selection key mapping
|
|
121 |
* @since S60 5.0
|
|
122 |
*/
|
|
123 |
TInt AdditionalSelectionKeyMappingCode();
|
|
124 |
|
|
125 |
private:
|
|
126 |
//Private two phase construction and destruction
|
|
127 |
CMIDKeyDecoder(MMIDEnv& aEnv);
|
|
128 |
void ConstructL();
|
|
129 |
|
|
130 |
/** Initialisation of special key translation table, see iSpecialKeys */
|
|
131 |
void InitSpecialKeysL();
|
|
132 |
|
|
133 |
/** Initialisation of iQwertyWatch and iQwertyModeActive */
|
|
134 |
void CreateQwertyWatchL();
|
|
135 |
|
|
136 |
/**
|
|
137 |
* Creates RemConObserver. Does nothing if RemConObserver already exists.
|
|
138 |
*
|
|
139 |
* @since S60 3.2
|
|
140 |
*/
|
|
141 |
void InitRemConObserverL();
|
|
142 |
|
|
143 |
private:
|
|
144 |
// MMIDQwertyObserver
|
|
145 |
void NewQwertyValueL(TInt aNewValue);
|
|
146 |
|
|
147 |
private:
|
|
148 |
//Private helper methods
|
|
149 |
void CreateGameActionsL();
|
|
150 |
void LoadGameActionCodesL();
|
|
151 |
|
|
152 |
void LoadCentralRepositoryCodesL(CRepository* aRepository);
|
|
153 |
TBool QwertyInputAvailable() const;
|
|
154 |
void AddCodeToActionL(TMIDGameAction* aGameAction, TInt aScanCode);
|
|
155 |
|
|
156 |
TInt ScanToMidpCode(TInt aScanCode);
|
|
157 |
TBool IsUnicode(TInt aKeyCode) const;
|
|
158 |
|
|
159 |
private:
|
|
160 |
/** For each MIDP Game action contains a TMIDGameAction*/
|
|
161 |
RPointerArray<TMIDGameAction> iGameActions;
|
|
162 |
|
|
163 |
/** This is needed by CKeyTranslator::TranslateKey() */
|
|
164 |
CCaptureKeys* iCaptureKeys;
|
|
165 |
|
|
166 |
/** The window server key translator for converting SCAN codes to KEY codes */
|
|
167 |
CKeyTranslator* iKeyTranslator;
|
|
168 |
|
|
169 |
/** Special key translation table */
|
|
170 |
RArray<TMIDKey> iSpecialKeys;
|
|
171 |
|
|
172 |
/** Monitor status of qwerty input */
|
|
173 |
CMIDQwertyWatch* iQwertyWatch;
|
|
174 |
|
|
175 |
/** True when qwerty keyboard is available */
|
|
176 |
TBool iQwertyModeActive;
|
|
177 |
|
|
178 |
/** The action scan codes currently in use, either default ITU-T,
|
|
179 |
or default QWERTY or from Central Repository */
|
|
180 |
TInt* iActionScanCodes;
|
|
181 |
|
|
182 |
/** True when we must use the scan codes from Central Repository */
|
|
183 |
TBool iUseCRScanCodes;
|
|
184 |
|
|
185 |
MMIDEnv& iEnv;
|
|
186 |
|
|
187 |
/** Receives media key events from RemCon */
|
|
188 |
CMIDRemConObserver* iRemConObserver;
|
|
189 |
|
|
190 |
/** ETrue when media key support is enabled */
|
|
191 |
TBool iMediaKeysEnabled;
|
|
192 |
|
|
193 |
/** Scancode of additional Select key is stored here. Used when mapping MIDP special keys. */
|
|
194 |
TUint iAdditionalSelectkeyMapping;
|
|
195 |
|
|
196 |
};
|
|
197 |
|
|
198 |
#endif // CMIDKEYDECODER_H
|