1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/**
* @file llkeyboard.h
* @brief Handler for assignable key bindings
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2007, Linden Research, Inc.
*
* Second Life Viewer Source Code
* The source code in this file ("Source Code") is provided by Linden Lab
* to you under the terms of the GNU General Public License, version 2.0
* ("GPL"), unless you have obtained a separate licensing agreement
* ("Other License"), formally executed by you and Linden Lab. Terms of
* the GPL can be found in doc/GPL-license.txt in this distribution, or
* online at http://secondlife.com/developers/opensource/gplv2
*
* There are special exceptions to the terms and conditions of the GPL as
* it is applied to this Source Code. View the full text of the exception
* in the file doc/FLOSS-exception.txt in this software distribution, or
* online at http://secondlife.com/developers/opensource/flossexception
*
* By copying, modifying or distributing this software, you acknowledge
* that you have read and understood your obligations described above,
* and agree to abide by those obligations.
*
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
* COMPLETENESS OR PERFORMANCE.
* $/LicenseInfo$
*/
#ifndef LL_LLKEYBOARD_H
#define LL_LLKEYBOARD_H
#include <map>
#include "string_table.h"
#include "lltimer.h"
#include "indra_constants.h"
enum EKeystate
{
KEYSTATE_DOWN,
KEYSTATE_LEVEL,
KEYSTATE_UP
};
typedef void (*LLKeyFunc)(EKeystate keystate);
enum EKeyboardInsertMode
{
LL_KIM_INSERT,
LL_KIM_OVERWRITE
};
class LLKeyBinding
{
public:
KEY mKey;
MASK mMask;
// const char *mName; // unused
LLKeyFunc mFunction;
};
class LLWindowCallbacks;
class LLKeyboard
{
public:
typedef enum e_numpad_distinct
{
ND_NEVER,
ND_NUMLOCK_OFF,
ND_NUMLOCK_ON
} ENumpadDistinct;
public:
LLKeyboard();
virtual ~LLKeyboard();
void resetKeys();
F32 getCurKeyElapsedTime() { return getKeyDown(mCurScanKey) ? getKeyElapsedTime( mCurScanKey ) : 0.f; }
F32 getCurKeyElapsedFrameCount() { return getKeyDown(mCurScanKey) ? (F32)getKeyElapsedFrameCount( mCurScanKey ) : 0.f; }
BOOL getKeyDown(const KEY key) { return mKeyLevel[key]; }
BOOL getKeyRepeated(const KEY key) { return mKeyRepeated[key]; }
BOOL translateKey(const U16 os_key, KEY *translated_key);
U16 inverseTranslateKey(const KEY translated_key);
BOOL handleTranslatedKeyUp(KEY translated_key, U32 translated_mask); // Translated into "Linden" keycodes
BOOL handleTranslatedKeyDown(KEY translated_key, U32 translated_mask); // Translated into "Linden" keycodes
virtual BOOL handleKeyUp(const U16 key, MASK mask) = 0;
virtual BOOL handleKeyDown(const U16 key, MASK mask) = 0;
// Asynchronously poll the control, alt, and shift keys and set the
// appropriate internal key masks.
virtual void resetMaskKeys() = 0;
virtual void scanKeyboard() = 0; // scans keyboard, calls functions as necessary
// Mac must differentiate between Command = Control for keyboard events
// and Command != Control for mouse events.
virtual MASK currentMask(BOOL for_mouse_event) = 0;
virtual KEY currentKey() { return mCurTranslatedKey; }
EKeyboardInsertMode getInsertMode() { return mInsertMode; }
void toggleInsertMode();
static BOOL maskFromString(const LLString& str, MASK *mask); // False on failure
static BOOL keyFromString(const LLString& str, KEY *key); // False on failure
static LLString stringFromKey(KEY key);
e_numpad_distinct getNumpadDistinct() { return mNumpadDistinct; }
void setNumpadDistinct(e_numpad_distinct val) { mNumpadDistinct = val; }
void setCallbacks(LLWindowCallbacks *cbs) { mCallbacks = cbs; }
F32 getKeyElapsedTime( KEY key ); // Returns time in seconds since key was pressed.
S32 getKeyElapsedFrameCount( KEY key ); // Returns time in frames since key was pressed.
protected:
void addKeyName(KEY key, const LLString& name);
protected:
std::map<U16, KEY> mTranslateKeyMap; // Map of translations from OS keys to Linden KEYs
std::map<KEY, U16> mInvTranslateKeyMap; // Map of translations from Linden KEYs to OS keys
LLWindowCallbacks *mCallbacks;
LLTimer mKeyLevelTimer[KEY_COUNT]; // Time since level was set
S32 mKeyLevelFrameCount[KEY_COUNT]; // Frames since level was set
BOOL mKeyLevel[KEY_COUNT]; // Levels
BOOL mKeyRepeated[KEY_COUNT]; // Key was repeated
BOOL mKeyUp[KEY_COUNT]; // Up edge
BOOL mKeyDown[KEY_COUNT]; // Down edge
KEY mCurTranslatedKey;
KEY mCurScanKey; // Used during the scanKeyboard()
e_numpad_distinct mNumpadDistinct;
EKeyboardInsertMode mInsertMode;
static std::map<KEY,LLString> sKeysToNames;
static std::map<LLString,KEY> sNamesToKeys;
};
extern LLKeyboard *gKeyboard;
#endif
|
