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📄 kbduk.c

📁 ReactOS是一些高手根据Windows XP的内核编写出的类XP。内核实现机理和API函数调用几乎相同。甚至可以兼容XP的程序。喜欢研究系统内核的人可以看一看。
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/*
 * ReactOS USASCII Keyboard layout
 * Copyright (C) 2003 ReactOS
 * License: LGPL, see: LGPL.txt
 * 
 * Thanks to: http://www.barcodeman.com/altek/mule/scandoc.php
 * and http://win.tue.nl/~aeb/linux/kbd/scancodes-1.html
 */

#include <windows.h>
#include <internal/kbd.h>

#ifdef _M_IA64
#define ROSDATA static __declspec(allocate(".data"))
#else
#ifdef _MSC_VER
#pragma data_seg(".data")
#define ROSDATA static
#else
#define ROSDATA static __attribute__((section(".data")))
#endif
#endif

#define VK_EMPTY 0xff   /* The non-existent VK */
#define KSHIFT   0x001  /* Shift modifier */
#define KCTRL    0x002  /* Ctrl modifier */
#define KALT     0x004  /* Alt modifier */
#define KEXT     0x100  /* Extended key code */
#define KMULTI   0x200  /* Multi-key */
#define KSPEC    0x400  /* Special key */
#define KNUMP    0x800  /* Number-pad */
#define KNUMS    0xc00  /* Special + number pad */
#define KMEXT    0x300  /* Multi + ext */

ROSDATA USHORT scancode_to_vk[] = {
  /* Numbers Row */
  /* - 00 - */
  /* 1 ...         2 ...         3 ...         4 ... */     
  VK_EMPTY,     VK_ESCAPE,    '1',          '2',
  '3',          '4',          '5',          '6',
  '7',          '8',          '9',          '0',
 VK_OEM_MINUS, VK_OEM_PLUS,  VK_BACK,
  /* - 0f - */
  /* First Letters Row */
  VK_TAB,       'Q',          'W',          'E',
  'R',          'T',          'Y',          'U',
  'I',          'O',          'P',          
  VK_OEM_4,     VK_OEM_6,	VK_RETURN,
  /* - 1d - */
  /* Second Letters Row */
  VK_LCONTROL,  
  'A',          'S',          'D',          'F',
  'G',          'H',          'J',          'K',
  'L',          VK_OEM_1,     VK_OEM_3,     VK_OEM_8,  
  VK_LSHIFT,    VK_OEM_7,
  /* - 2c - */
  /* Third letters row */
  'Z',          'X',          'C',          'V',
  'B',          'N',          'M',          VK_OEM_COMMA,
  VK_OEM_PERIOD,VK_OEM_2,     VK_RSHIFT|KEXT,
  /* - 37 - */
  /* Bottom Row */
  VK_MULTIPLY,  VK_MENU,     VK_SPACE,     VK_CAPITAL,
  
  /* - 3b - */
  /* F-Keys */
  VK_F1, VK_F2, VK_F3, VK_F4, VK_F5, VK_F6, 
  VK_F7, VK_F8, VK_F9, VK_F10,
  /* - 45 - */
  /* Locks */
  VK_NUMLOCK | KMEXT,   
  VK_SCROLL | KMULTI,    
  /* - 47 - */
  /* Number-Pad */
  VK_HOME | KNUMS,      VK_UP | KNUMS,         VK_PRIOR | KNUMS, VK_SUBTRACT,
  VK_LEFT | KNUMS,      VK_CLEAR | KNUMS,      VK_RIGHT | KNUMS, VK_ADD,
  VK_END | KNUMS,       VK_DOWN | KNUMS,       VK_NEXT | KNUMS,
  VK_INSERT | KNUMS,    VK_DELETE | KNUMS,
  /* - 54 - */
  /* Presumably PrtSc */
  VK_SNAPSHOT,
  /* - 55 - */
  /* Oddities, and the remaining standard F-Keys */
  VK_EMPTY,     VK_OEM_5,     VK_F11,       VK_F12,
  /* - 59 - */
  VK_CLEAR,     VK_EMPTY,     VK_EMPTY,     VK_EMPTY,     VK_EMPTY, /* EREOF */
  VK_EMPTY,     VK_EMPTY,     VK_EMPTY,     VK_EMPTY,     VK_EMPTY, /* ZOOM */
  VK_HELP,      
  /* - 64 - */
  /* Even more F-Keys (for example, NCR keyboards from the early 90's) */
  VK_F13, VK_F14, VK_F15, VK_F16, VK_F17, VK_F18, VK_F19, VK_F20,
  VK_F21, VK_F22, VK_F23, 
  /* - 6f - */
  /* Not sure who uses these codes */
  VK_EMPTY, VK_EMPTY, VK_EMPTY,
  /* - 72 - */
  VK_EMPTY, VK_EMPTY, VK_EMPTY, VK_EMPTY,
  /* - 76 - */
  /* One more f-key */
  VK_F24,
  /* - 77 - */
  VK_EMPTY, VK_EMPTY, VK_EMPTY, VK_EMPTY,
  VK_EMPTY, VK_EMPTY, VK_EMPTY, VK_EMPTY, /* PA1 */
  VK_EMPTY,
  /* - 80 - */
  0
};

ROSDATA VSC_VK extcode0_to_vk[] = {
  {0x1c, VK_RETURN|KEXT},	//Keypad return
  {0x1d, VK_RCONTROL|KEXT},//Right control key
  {0x35, VK_DIVIDE|KEXT}, 	// Numpad div
  {0x38, VK_RMENU|KEXT},  //AltGr?
  {0, 0},
};

ROSDATA VSC_VK extcode1_to_vk[] = {
  { 0, 0 },
};

ROSDATA VK_TO_BIT modifier_keys[] = {
  { VK_SHIFT,   KSHIFT },
  { VK_CONTROL, KCTRL },
  { VK_MENU,    KALT },
  { 0,          0 }
};

ROSDATA MODIFIERS modifier_bits = {
  modifier_keys,
  7,
  { 0, 1, 2, 3 ,0, 0,4,5} /* Modifier bit order, NONE, SHIFT, CTRL, SHIFT+CTRL,ALT(not used),SHIFT-ALT (not used), CTR+ALT, SHIFT-CTRL-ALT*/
};

#define NOCAPS 0
#define CAPS   KSHIFT /* Caps -> shift */

ROSDATA VK_TO_WCHARS2 key_to_chars_2mod[] = {
  /* Normal vs Shifted */
  /* The numbers */
  { '1',     	NOCAPS, {'1', '!'} },
  { '2', 	NOCAPS, {'2', '\"'} },
  { '3', 	NOCAPS, {'3', 0xa3} },
  { '5', 	NOCAPS, {'5', '%'} },
  { '7',      	NOCAPS, {'7', '&'} },
  { '8',      	NOCAPS, {'8', '*'} },
  { '9',      	NOCAPS, {'9', '('} },
  { '0',      	NOCAPS, {'0', ')'} },
  { VK_OEM_PLUS ,NOCAPS, {'=', '+'} },
  { VK_OEM_1 ,NOCAPS, {';', ':'} },
  { VK_OEM_COMMA,	NOCAPS, {',', '<'} },
  { VK_OEM_PERIOD,	NOCAPS, {'.', '>'} },
  { VK_OEM_2,		NOCAPS, {'/', '?'} },

  
  /* Keys that do not have shift states */
  { VK_TAB,		NOCAPS, {'\t','\t'} },
  { VK_ADD,		NOCAPS, {'+', '+'} },
  { VK_SUBTRACT,	NOCAPS, {'-', '-'} },
  { VK_MULTIPLY,	NOCAPS, {'*', '*'} },
  { VK_DIVIDE,		NOCAPS, {'/', '/'} },
  { VK_ESCAPE,		NOCAPS, {'\x1b','\x1b'} },
  { VK_SPACE,		NOCAPS, {' ', ' '} },
  { 0, 0 }
};

ROSDATA VK_TO_WCHARS3 key_to_chars_3mod[] = {
  /* Normal, Shifted, Ctrl */
  /* Legacy (telnet-style) ascii escapes */
  { VK_OEM_4, NOCAPS, {'[', '{', 0x1b} },
  { VK_OEM_6, NOCAPS, {']', '}', 0x1d} },
  { VK_OEM_7, NOCAPS, {'#', '~', 0x1c} },
  { VK_OEM_5, 0, {'\\', '|', 0x1c} },
  { VK_RETURN, 0, {'\r', '\r', '\n'} },
  { 0, 0 }
};

ROSDATA VK_TO_WCHARS4 key_to_chars_4mod[] = {
  /* Normal, Shifted, Ctrl, C-Shift */

  /* The alphabet */
  { 'B',         CAPS,   {'b', 'B', 0x02, 0x02} },
  { 'C',         CAPS,   {'c', 'C', 0x03, 0x03} },
  { 'D',         CAPS,   {'d', 'D', 0x04, 0x04} },
  { 'F',         CAPS,   {'f', 'F', 0x06, 0x06} },
  { 'G',         CAPS,   {'g', 'G', 0x07, 0x07} },
  { 'H',         CAPS,   {'h', 'H', 0x08, 0x08} },
  { 'J',         CAPS,   {'j', 'J', 0x0a, 0x0a} },
  { 'K',         CAPS,   {'k', 'K', 0x0b, 0x0b} },
  { 'L',         CAPS,   {'l', 'L', 0x0c, 0x0c} },
  { 'M',         CAPS,   {'m', 'M', 0x0d, 0x0d} },
  { 'N',         CAPS,   {'n', 'N', 0x0e, 0x0e} },
  { 'P',         CAPS,   {'p', 'P', 0x10, 0x10} },
  { 'Q',         CAPS,   {'q', 'Q', 0x11, 0x11} },
  { 'R',         CAPS,   {'r', 'R', 0x12, 0x12} },
  { 'S',         CAPS,   {'s', 'S', 0x13, 0x13} },
  { 'T',         CAPS,   {'t', 'T', 0x14, 0x14} },
  { 'V',         CAPS,   {'v', 'V', 0x16, 0x16} },
  { 'W',         CAPS,   {'w', 'W', 0x17, 0x17} },
  { 'X',         CAPS,   {'x', 'X', 0x18, 0x18} },
  { 'Y',         CAPS,   {'y', 'Y', 0x19, 0x19} },
  { 'Z',         CAPS,   {'z', 'Z', 0x1a, 0x1a} },

  /* Legacy Ascii generators */
  
 { '6', NOCAPS, {'6', '^', WCH_NONE, 0x1e} },
 { VK_OEM_MINUS, NOCAPS, {'-', '_', WCH_NONE, 0x1f} },
 { VK_OEM_3, NOCAPS, {'\'', '@', WCH_NONE, 0x00} },
 { 0, 0 }
};

ROSDATA VK_TO_WCHARS5 key_to_chars_5mod[] = {
  /* Normal, Shifted, Ctrl, Sh-Ctrl,Sh-Alt,Ctl-Alt */
/* Ctrl-sh-6 generates RS */
  {VK_OEM_8, NOCAPS, {'`', 0x00ac,  WCH_NONE, WCH_NONE, 0xa6} },
  { '4', NOCAPS, {'4', '$', WCH_NONE, WCH_NONE, 0x20ac} },
  { 0, 0 }
};

ROSDATA VK_TO_WCHARS6 key_to_chars_6mod[] = {
  /* Normal, Shifted, Ctrl, Sh-Ctrl,Sh-Alt,Ctl-Alt,Ctl-Sh-Alt */
 
  { 'E',         CAPS,   {'e', 'E', 0x05, 0x05, 0x00e9, 0x00c9} },
  { 'U',         CAPS,   {'u', 'U', 0x15, 0x15, 0x00fa, 0x00da} },
  { 'I',         CAPS,   {'i', 'I', 0x09, 0x09, 0x00ed, 0x00cd} },
  { 'O',         CAPS,   {'o', 'O', 0x0f, 0x0f, 0x00f3, 0x00d3} },
  { 'A',         CAPS,   {'a', 'A', 0x01, 0x01, 0x00e1, 0x00c1} },
  { 0, 0 }
};

ROSDATA VK_TO_WCHARS1 keypad_numbers[] = {
  { VK_DECIMAL, 0, {'.'} },
  { VK_NUMPAD0, 0, {'0'} },
  { VK_NUMPAD1, 0, {'1'} },
  { VK_NUMPAD2, 0, {'2'} },
  { VK_NUMPAD3, 0, {'3'} },
  { VK_NUMPAD4, 0, {'4'} },
  { VK_NUMPAD5, 0, {'5'} },
  { VK_NUMPAD6, 0, {'6'} },
  { VK_NUMPAD7, 0, {'7'} },
  { VK_NUMPAD8, 0, {'8'} },
  { VK_NUMPAD9, 0, {'9'} },
  { VK_BACK,    0, {'\010'} },
  { 0, 0 }
};

#define vk_master(n,x) { (PVK_TO_WCHARS1)x, n, sizeof(x[0]) }

ROSDATA VK_TO_WCHAR_TABLE vk_to_wchar_master_table[] = {
  vk_master(1,keypad_numbers),
  vk_master(2,key_to_chars_2mod),
  vk_master(3,key_to_chars_3mod),
  vk_master(4,key_to_chars_4mod),
  vk_master(5,key_to_chars_5mod),
  vk_master(6,key_to_chars_6mod),
  { 0,0,0 }
};

ROSDATA VSC_LPWSTR key_names[] = {
  { 0x00, L"" },
  { 0x01, L"Esc" },
  { 0x0e, L"Backspace" },
  { 0x0f, L"Tab" },
  { 0x1c, L"Enter" },
  { 0x1d, L"Ctrl" },
  { 0x2a, L"Shift" },
  { 0x36, L"Right Shift" },
  { 0x37, L"Num *" },
  { 0x38, L"Alt" },
  { 0x39, L"Space" },
  { 0x3a, L"Caps Lock" },
  { 0x3b, L"F1" },
  { 0x3c, L"F2" },
  { 0x3d, L"F3" },
  { 0x3e, L"F4" },
  { 0x3f, L"F5" },
  { 0x40, L"F6" },
  { 0x41, L"F7" },
  { 0x42, L"F8" },
  { 0x43, L"F9" },
  { 0x44, L"F10" },
  { 0x45, L"Pause" },
  { 0x46, L"Scroll Lock" },
  { 0x47, L"Num 7" },
  { 0x48, L"Num 8" },
  { 0x49, L"Num 9" },
  { 0x4a, L"Num -" },
  { 0x4b, L"Num 4" },
  { 0x4c, L"Num 5" },
  { 0x4d, L"Num 6" },
  { 0x4e, L"Num +" },
  { 0x4f, L"Num 1" },
  { 0x50, L"Num 2" },
  { 0x51, L"Num 3" },
  { 0x52, L"Num 0" },
  { 0x53, L"Num Del" },
  { 0x54, L"Sys Req" },
  { 0x57, L"F11" },
  { 0x58, L"F12" },
  { 0x7c, L"F13" },
  { 0x7d, L"F14" },
  { 0x7e, L"F15" },
  { 0x7f, L"F16" },
  { 0x80, L"F17" },
  { 0x81, L"F18" },
  { 0x82, L"F19" },
  { 0x83, L"F20" },
  { 0x84, L"F21" },
  { 0x85, L"F22" },
  { 0x86, L"F23" },
  { 0x87, L"F24" },
  { 0, NULL },
};

ROSDATA VSC_LPWSTR extended_key_names[] = {
  { 0x1c, L"Num Enter" },
  { 0x1d, L"Right Ctrl" },
  { 0x35, L"Num /" },
  { 0x37, L"Prnt Scrn" },
  { 0x38, L"Right Alt" },
  { 0x45, L"Num Lock" },
  { 0x46, L"Break" },
  { 0x47, L"Home" },
  { 0x48, L"Up" },
  { 0x49, L"Page Up" },
  { 0x4a, L"Left" },
  { 0x4c, L"Center" },
  { 0x4d, L"Right" },
  { 0x4f, L"End" },
  { 0x50, L"Down" },
  { 0x51, L"Page Down" },
  { 0x52, L"Insert" },
  { 0x53, L"Delete" },
  { 0x54, L"<ReactOS>" },
  { 0x55, L"Help" },
  { 0x56, L"Left Windows" },
  { 0x5b, L"Right Windows" },
  { 0, NULL },
};

/* Finally, the master table */
ROSDATA KBDTABLES keyboard_layout_table = {
  /* modifier assignments */
  &modifier_bits,
  
  /* character from vk tables */
  vk_to_wchar_master_table,
  
  /* diacritical marks -- currently implemented by wine code */
  /* English doesn't have any, anyway */
  NULL,

  /* Key names */
  (VSC_LPWSTR *)key_names,
  (VSC_LPWSTR *)extended_key_names,
  NULL, /* Dead key names */

  /* scan code to virtual key maps */
  scancode_to_vk,
  sizeof(scancode_to_vk) / sizeof(scancode_to_vk[0]),
  extcode0_to_vk,
  extcode1_to_vk,


  MAKELONG(0,1), /* Version 1.0 */

  /* Ligatures -- English doesn't have any */
  0,
  0,
  NULL
};

PKBDTABLES STDCALL KbdLayerDescriptor(VOID) {
  return &keyboard_layout_table;
}

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