1 // Copyright (c) 1995-2010 Nokia Corporation and/or its subsidiary(-ies). |
1 // Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). |
2 // All rights reserved. |
2 // All rights reserved. |
3 // This component and the accompanying materials are made available |
3 // This component and the accompanying materials are made available |
4 // under the terms of the License "Eclipse Public License v1.0" |
4 // under the terms of the License "Eclipse Public License v1.0" |
5 // which accompanies this distribution, and is available |
5 // which accompanies this distribution, and is available |
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
26 #ifndef __E32KTRAN_H__ |
26 #ifndef __E32KTRAN_H__ |
27 #define __E32KTRAN_H__ |
27 #define __E32KTRAN_H__ |
28 #include <e32std.h> |
28 #include <e32std.h> |
29 #include <e32keys.h> |
29 #include <e32keys.h> |
30 #include <e32base.h> |
30 #include <e32base.h> |
31 |
31 // |
32 /** |
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33 Represents a specific combination of modifier |
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34 keys. |
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35 |
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36 The definition will match a given a key combination |
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37 bitfield, if when anded with the mask iMask, it equals |
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38 iValue. Bitfields are made up of bits defined in TEventModifier. |
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39 |
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40 eg. to match Ctrl and Shift and not Fn modifiers |
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41 |
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42 iMask = EModifierShift | EModifierCtrl | EModifierFunc |
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43 iValue = EModifierShift | EModifierCtrl |
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44 */ |
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45 class TMaskedModifiers |
32 class TMaskedModifiers |
46 { |
33 { |
47 public: |
34 public: |
48 TUint iMask; //!< Mask to be binary anded with some value |
35 TUint iMask; |
49 TUint iValue; //!< Must match the masked bitfield |
36 TUint iValue; |
50 }; |
37 }; |
51 |
38 // |
52 /** |
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53 Defines different match types to be used |
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54 in TKeyCodePattern |
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55 */ |
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56 enum TPattern |
39 enum TPattern |
57 { |
40 { |
58 EAnyKey=0x00, ///< match any key |
41 EAnyKey=0x00, |
59 EAnyAlphaNumeric, ///< match any alpha or numeric key |
42 EAnyAlphaNumeric, |
60 EAnyAlpha, ///< match any alpha key |
43 EAnyAlpha, |
61 EAnyAlphaLowerCase, ///< match any lower-case key |
44 EAnyAlphaLowerCase, |
62 EAnyAlphaUpperCase, ///< match any upper-case key |
45 EAnyAlphaUpperCase, |
63 EAnyDecimalDigit, ///< match any decimal digit |
46 EAnyDecimalDigit, |
64 EAnyDigitGivenRadix, |
47 EAnyDigitGivenRadix, |
65 EAnyModifierKey, ///< match any modifier key (e.g. alt, fn, ctrl) |
48 EAnyModifierKey, |
66 EMatchKey=0x40, ///< match if equal to keycode value in first field |
49 EMatchKey=0x40, |
67 EMatchKeyCaseInsens, ///< like EMatchKey but perform case-insensitive comparison |
50 EMatchKeyCaseInsens, |
68 EMatchLeftOrRight ///< match if equal to keycode value or (keycode value + 1) |
51 EMatchLeftOrRight |
69 }; |
52 }; |
70 |
53 // |
71 /** |
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72 Defines a keypress using one of the match types defined in TPattern |
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73 and possibly a reference scan code. It is possible to specify generic |
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74 or specific keypresses eg. any decimal digit, or a particular |
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75 key, matched case insensitively. |
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76 |
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77 @see TPattern |
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78 */ |
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79 class TKeyCodePattern |
54 class TKeyCodePattern |
80 { |
55 { |
81 public: |
56 public: |
82 TUint16 iKeyCode; ///< Reference scancode, used when iPattern is EMatchKey, EMatchKeyCaseInsens, or EMatchLeftOrRight |
57 TUint16 iKeyCode; |
83 TInt8 iPattern; ///< Comparison, of type TPattern |
58 TInt8 iPattern; |
84 TInt8 iFiller; |
59 TInt8 iFiller; |
85 }; |
60 }; |
86 |
61 // |
87 /** |
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88 A Capture Key is a special key or key combination which should be |
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89 sent to a specific window-group, instead of the currently |
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90 active window. For example a camera application might request that |
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91 camera button events always be sent to it. |
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92 */ |
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93 class TCaptureKey |
62 class TCaptureKey |
94 { |
63 { |
95 public: |
64 public: |
96 TMaskedModifiers iModifiers; |
65 TMaskedModifiers iModifiers; |
97 TKeyCodePattern iKeyCodePattern; |
66 TKeyCodePattern iKeyCodePattern; |
98 TUint iApp; |
67 TUint iApp; |
99 TUint iHandle; |
68 TUint iHandle; |
100 }; |
69 }; |
101 |
70 // |
102 /** |
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103 Used by CKeyTranslator to return translation results. |
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104 */ |
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105 class TKeyData |
71 class TKeyData |
106 { |
72 { |
107 public: |
73 public: |
108 TInt iModifiers; |
74 TInt iModifiers; |
109 TInt iApp; |
75 TInt iApp; |
110 TInt iHandle; |
76 TInt iHandle; |
111 TBool iIsCaptureKey; |
77 TBool iIsCaptureKey; |
112 TUint iKeyCode; |
78 TUint iKeyCode; |
113 }; |
79 }; |
114 |
80 // |
115 /** |
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116 A set of TCaptureKey objects which is passed to a CKeyTranslator |
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117 when translating key events. This is so it can indicate if a |
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118 translated key event should be treated as a special Capture Key. |
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119 */ |
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120 class CCaptureKeys: public CBase |
81 class CCaptureKeys: public CBase |
121 { |
82 { |
122 public: |
83 public: |
123 IMPORT_C CCaptureKeys(); |
84 IMPORT_C CCaptureKeys(); |
124 IMPORT_C ~CCaptureKeys(); |
85 IMPORT_C ~CCaptureKeys(); |
130 IMPORT_C void CancelCaptureKey(TUint32 aHandle); |
91 IMPORT_C void CancelCaptureKey(TUint32 aHandle); |
131 IMPORT_C void CancelAllCaptureKeys(TUint32 aApp); |
92 IMPORT_C void CancelAllCaptureKeys(TUint32 aApp); |
132 IMPORT_C void ProcessCaptureKeys(TKeyData &aKeyData) const; |
93 IMPORT_C void ProcessCaptureKeys(TKeyData &aKeyData) const; |
133 protected: |
94 protected: |
134 void CheckCaptureKey(const TCaptureKey &aCaptureKey); |
95 void CheckCaptureKey(const TCaptureKey &aCaptureKey); |
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96 void removeCaptureKey(TUint index); |
135 protected: |
97 protected: |
136 RArray<TCaptureKey> iCKarray; |
98 RArray<TCaptureKey> iCKarray; |
137 }; |
99 }; |
138 |
100 // |
139 /** |
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140 A CKeyTranslator derived object will be created by the window server |
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141 in order to translate key scancode data, contained in a TRawEvent, in to |
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142 generic logical key press, as defined in TKeyCode. Essentially, these |
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143 translations |
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144 |
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145 The translator object will perform the actual lookups using data from |
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146 a platform specific keymap DLL, conventionally named ekdata.dll. |
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147 */ |
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148 class CKeyTranslator: public CBase |
101 class CKeyTranslator: public CBase |
149 { |
102 { |
150 public: |
103 public: |
151 IMPORT_C static CKeyTranslator *New(); |
104 IMPORT_C static CKeyTranslator *New(); |
152 virtual TInt GetModifierState()=0; |
105 virtual TInt GetModifierState()=0; |