📄 scvkengus101.cpp
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/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
Copyright (c) 1995-1998 Microsoft Corporation
@doc EXTERNAL
@module sctovk.cpp |
Sample implementation of the keyboard platform dependent scan code to
Virtual Key mapping for keyboard driver.
Exports ScanCodeToVKey for the PDD to use to map scan codes to virtual
keys. A version of this will be needed for every physical/virtual key
configuration.
*/
#include <windows.h>
#include <keybddr.h>
#define PROFILE 1
#ifdef PROFILE
extern "C" void ProfileStart(DWORD,DWORD);
extern "C" void ProfileStop(void);
#endif
#define ScanCodeTableLast 0x7f
const UINT8 ScanCodeToVKeyTable[ScanCodeTableLast+1] =
{
0, // Scan Code 0x0
VK_ESCAPE, // Scan Code 0x1
'1', // Scan Code 0x2
'2', // Scan Code 0x3
'3', // Scan Code 0x4
'4', // Scan Code 0x5
'5', // Scan Code 0x6
'6', // Scan Code 0x7
'7', // Scan Code 0x8
'8', // Scan Code 0x9
'9', // Scan Code 0xA
'0', // Scan Code 0xB
VK_HYPHEN, // Scan Code 0xC
VK_EQUAL, // Scan Code 0xD
VK_BACK, // Scan Code 0xE
VK_TAB, // Scan Code 0xF
'Q', // Scan Code 0x10
'W', // Scan Code 0x11
'E', // Scan Code 0x12
'R', // Scan Code 0x13
'T', // Scan Code 0x14
'Y', // Scan Code 0x15
'U', // Scan Code 0x16
'I', // Scan Code 0x17
'O', // Scan Code 0x18
'P', // Scan Code 0x19
VK_LBRACKET, // Scan Code 0x1A
VK_RBRACKET, // Scan Code 0x1B
VK_RETURN, // Scan Code 0x1C
VK_LCONTROL, // Scan Code 0x1D
'A', // Scan Code 0x1E
'S', // Scan Code 0x1F
'D', // Scan Code 0x20
'F', // Scan Code 0x21
'G', // Scan Code 0x22
'H', // Scan Code 0x23
'J', // Scan Code 0x24
'K', // Scan Code 0x25
'L', // Scan Code 0x26
VK_SEMICOLON, // Scan Code 0x27
VK_APOSTROPHE, // Scan Code 0x28
VK_BACKQUOTE, // Scan Code 0x29
VK_LSHIFT, // Scan Code 0x2A
VK_BACKSLASH, // Scan Code 0x2B
'Z', // Scan Code 0x2C
'X', // Scan Code 0x2D
'C', // Scan Code 0x2E
'V', // Scan Code 0x2F
'B', // Scan Code 0x30
'N', // Scan Code 0x31
'M', // Scan Code 0x32
VK_COMMA, // Scan Code 0x33
VK_PERIOD, // Scan Code 0x34
VK_SLASH, // Scan Code 0x35
VK_RSHIFT, // Scan Code 0x36
VK_MULTIPLY, // Scan Code 0x37
VK_LMENU, // Scan Code 0x38
VK_SPACE, // Scan Code 0x39
VK_CAPITAL, // Scan Code 0x3A
VK_F1, // Scan Code 0x3B
VK_F2, // Scan Code 0x3C
VK_F3, // Scan Code 0x3D
VK_F4, // Scan Code 0x3E
VK_F5, // Scan Code 0x3F
VK_F6, // Scan Code 0x40
VK_F7, // Scan Code 0x41
VK_F8, // Scan Code 0x42
VK_F9, // Scan Code 0x43
VK_F10, // Scan Code 0x44
VK_NUMLOCK, // Scan Code 0x45
VK_SCROLL, // Scan Code 0x46
VK_NUMPAD7, // Scan Code 0x47
VK_NUMPAD8, // Scan Code 0x48
VK_NUMPAD9, // Scan Code 0x49
VK_SUBTRACT, // Scan Code 0x4A
VK_NUMPAD4, // Scan Code 0x4B
VK_NUMPAD5, // Scan Code 0x4C
VK_NUMPAD6, // Scan Code 0x4D
VK_ADD, // Scan Code 0x4E
VK_NUMPAD1, // Scan Code 0x4F
VK_NUMPAD2, // Scan Code 0x50
VK_NUMPAD3, // Scan Code 0x51
VK_NUMPAD0, // Scan Code 0x52
VK_DECIMAL, // Scan Code 0x53
VK_SNAPSHOT, // Scan Code 0x54
0, // Scan Code 0x55
0, // Scan Code 0x56
VK_F11, // Scan Code 0x57
VK_F12, // Scan Code 0x58
0, // Scan Code 0x59
0, // Scan Code 0x5A
VK_LWIN, // Scan Code 0x5B
VK_RWIN, // Scan Code 0x5C
VK_APPS, // Scan Code 0x5D
0, // Scan Code 0x5E
0, // Scan Code 0x5F
0, // Scan Code 0x60
0, // Scan Code 0x61
0, // Scan Code 0x62
VK_HELP, // Scan Code 0x63
VK_F13, // Scan Code 0x64
VK_F14, // Scan Code 0x65
VK_F15, // Scan Code 0x66
VK_F16, // Scan Code 0x67
VK_F17, // Scan Code 0x68
VK_F18, // Scan Code 0x69
VK_F19, // Scan Code 0x6A
VK_F20, // Scan Code 0x6B
VK_F21, // Scan Code 0x6C
VK_F22, // Scan Code 0x6D
VK_F23, // Scan Code 0x6E
0, // Scan Code 0x6F
0, // Scan Code 0x70
0, // Scan Code 0x71
0, // Scan Code 0x72
0, // Scan Code 0x73
0, // Scan Code 0x74
0, // Scan Code 0x75
VK_F24, // Scan Code 0x76
0, // Scan Code 0x77
0, // Scan Code 0x78
0, // Scan Code 0x79
0, // Scan Code 0x7A
0, // Scan Code 0x7B
0, // Scan Code 0x7C
0, // Scan Code 0x7D
0, // Scan Code 0x7E
0, // Scan Code 0x7F
};
#define E0ScanCodeTableFirst 0xe035
#define E0ScanCodeTableLast 0xe05d
const UINT8 ScanCodeE0ToVKeyTable[] =
{
VK_DIVIDE, // Scan Code 0xE035
0, // Scan Code 0xE036
VK_SNAPSHOT, // Scan Code 0xE037
VK_RMENU, // Scan Code 0xE038
0, // Scan Code 0xE039
0, // Scan Code 0xE03A
0, // Scan Code 0xE03B
0, // Scan Code 0xE03C
0, // Scan Code 0xE03D
0, // Scan Code 0xE03E
0, // Scan Code 0xE03F
0, // Scan Code 0xE040
0, // Scan Code 0xE041
0, // Scan Code 0xE042
0, // Scan Code 0xE043
0, // Scan Code 0xE044
0, // Scan Code 0xE045
0, // Scan Code 0xE046
VK_HOME, // Scan Code 0xE047
VK_UP, // Scan Code 0xE048
VK_PRIOR, // Scan Code 0xE049
0, // Scan Code 0xE04A
VK_LEFT, // Scan Code 0xE04B
0, // Scan Code 0xE04C
VK_RIGHT, // Scan Code 0xE04D
0, // Scan Code 0xE04E
VK_END, // Scan Code 0xE04F
VK_DOWN, // Scan Code 0xE050
VK_NEXT, // Scan Code 0xE051
VK_INSERT, // Scan Code 0xE052
VK_DELETE, // Scan Code 0xE053
0, // Scan Code 0xE054
0, // Scan Code 0xE055
0, // Scan Code 0xE056
0, // Scan Code 0xE057
0, // Scan Code 0xE058
0, // Scan Code 0xE059
0, // Scan Code 0xE05A
VK_LWIN, // Scan Code 0xE05B
VK_RWIN, // Scan Code 0xE05C
VK_APPS, // Scan Code 0xE05D
};
/*++
ScanCodeToVKeyEx:
Map a scan code to virtual key(s).
--*/
UINT32
ScanCodeToVKeyEx(
UINT32 ScanCode,
KEY_STATE_FLAGS KeyStateFlags,
UINT32 VKeyBuf[16],
UINT32 ScanCodeBuf[16],
KEY_STATE_FLAGS KeyStateFlagsBuf[16]
)
{
int cVKeys = 0;
#ifdef PROFILE
if (ScanCode == /* 7A VK_F8 */ 0x42 && KeyStateFlags == KeyStateDownFlag)
ProfileStart(200,8);
if (ScanCode == /* 7A VK_F9 */ 0x43 && KeyStateFlags == KeyStateDownFlag)
ProfileStart(200,4);
if (ScanCode == /* 7A VK_F10 */ 0x44 && KeyStateFlags == KeyStateDownFlag)
ProfileStart(200,2);
if (ScanCode == /* 7A VK_F11 */ 0x57 && KeyStateFlags == KeyStateDownFlag)
ProfileStart(200,0);
if (ScanCode == /* 7B VK_F12 */ 0x58 && KeyStateFlags == KeyStateDownFlag)
ProfileStop();
#endif
if ( ScanCode == 0x45 )
{
// The desktop shows that this is an extended
// scan code. To make it look the same, we
// pass back the scan code with a e0 tacked
// on to it.
VKeyBuf[cVKeys] = VK_NUMLOCK;
ScanCodeBuf[cVKeys] = 0xe045;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
else if ( ScanCode == 0xe01c )
{
VKeyBuf[cVKeys] = VK_RETURN;
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
else if ( ScanCode == 0xe01d )
{
VKeyBuf[cVKeys] = VK_RCONTROL;
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
#if USE_ALT_GR
// Turn this on if you need AltGr on a keyboard.
else if ( ScanCode == 0xe038 )
{
VKeyBuf[cVKeys] = VK_RMENU;
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
VKeyBuf[cVKeys] = VK_RCONTROL;
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
#endif
else if ( ScanCode == 0xe11d45 )
{
VKeyBuf[cVKeys] = VK_PAUSE;
ScanCodeBuf[cVKeys] = 0x45;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
else if ( ( ScanCode >= E0ScanCodeTableFirst ) &&
( ScanCode <= E0ScanCodeTableLast ) )
{
VKeyBuf[cVKeys] = ScanCodeE0ToVKeyTable[ScanCode - E0ScanCodeTableFirst];
if ( VKeyBuf[cVKeys] )
{
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
}
else if ( ScanCode <= ScanCodeTableLast )
{
VKeyBuf[cVKeys] = ScanCodeToVKeyTable[ScanCode];
if ( VKeyBuf[cVKeys] )
{
ScanCodeBuf[cVKeys] = ScanCode;
KeyStateFlagsBuf[cVKeys] = KeyStateFlags;
cVKeys++;
}
}
// For some reason, the print screen key has an extra 0xe02a scan code
// in it. It doesn't do anything so we won't complain about it.
if ( ( cVKeys == 0 ) &&
( ScanCode != 0xe02a ) )
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