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reactos/base/setup/usetup/keytrans.c

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/*
* ReactOS kernel
* Copyright (C) 2002 ReactOS Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup
* FILE: base/setup/usetup/keytrans.c
* PURPOSE: Console support functions: keyboard translation
* PROGRAMMER: Tinus
*
* NB: Hardcoded to US keyboard
*/
#include <usetup.h>
#include "keytrans.h"
#define NDEBUG
#include <debug.h>
static WORD KeyTable[] = {
/* 0x00 */
0x00, VK_ESCAPE, 0x31, 0x32,
0x33, 0x34, 0x35, 0x36,
0x37, 0x38, 0x39, 0x30,
VK_OEM_MINUS, VK_OEM_PLUS, VK_BACK, VK_TAB,
/* 0x10 */
0x51, 0x57, 0x45, 0x52,
0x54, 0x59, 0x55, 0x49,
0x4f, 0x50, VK_OEM_4, VK_OEM_6,
VK_RETURN, VK_CONTROL, 0x41, 0x53,
/* 0x20 */
0x44, 0x46, 0x47, 0x48,
0x4a, 0x4b, 0x4c, VK_OEM_1,
VK_OEM_7, 0xc0, VK_LSHIFT, VK_OEM_5,
0x5a, 0x58, 0x43, 0x56,
/* 0x30 */
0x42, 0x4e, 0x4d, VK_OEM_COMMA,
VK_OEM_PERIOD, VK_OEM_2, VK_RSHIFT, VK_MULTIPLY,
VK_LMENU, VK_SPACE, VK_CAPITAL, VK_F1,
VK_F2, VK_F3, VK_F4, VK_F5,
/* 0x40 */
VK_F6, VK_F7, VK_F8, VK_F9,
VK_F10, VK_NUMLOCK, VK_SCROLL, VK_HOME,
VK_UP, VK_PRIOR, VK_SUBTRACT, VK_LEFT,
0, VK_RIGHT, VK_ADD, VK_END,
/* 0x50 */
VK_DOWN, VK_NEXT, VK_INSERT, VK_DELETE,
0, 0, 0, VK_F11,
VK_F12, 0, 0, 0,
0, 0, 0, 0,
/* 0x60 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x70 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
};
static WORD KeyTableEnhanced[] = {
/* 0x00 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x10 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
VK_RETURN, VK_RCONTROL, 0, 0,
/* 0x20 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x30 */
0, 0, 0, 0,
0, VK_DIVIDE, 0, VK_SNAPSHOT,
VK_RMENU, 0, 0, 0,
0, 0, 0, 0,
/* 0x40 */
0, 0, 0, 0,
0, 0, 0, VK_HOME,
VK_UP, VK_PRIOR, 0, VK_LEFT,
0, VK_RIGHT, 0, VK_END,
/* 0x50 */
VK_DOWN, VK_NEXT, VK_INSERT, VK_DELETE,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x60 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x70 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
};
static WORD KeyTableNumlock[] = {
/* 0x00 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x10 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x20 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x30 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x40 */
0, 0, 0, 0,
0, 0, 0, VK_NUMPAD7,
VK_NUMPAD8, VK_NUMPAD9, 0, VK_NUMPAD4,
VK_NUMPAD5, VK_NUMPAD6, 0, VK_NUMPAD1,
/* 0x50 */
VK_NUMPAD2, VK_NUMPAD3, VK_NUMPAD0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x60 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
/* 0x70 */
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0
};
typedef struct _SCANTOASCII {
USHORT ScanCode;
USHORT Enhanced;
UCHAR Normal;
UCHAR Shift;
UCHAR NumLock;
UCHAR bCAPS;
} SCANTOASCII, *PSCANTOASCII;
SCANTOASCII ScanToAscii[] = {
{ 0x1e, 0, 'a', 'A', 0, TRUE },
{ 0x30, 0, 'b', 'B', 0, TRUE },
{ 0x2e, 0, 'c', 'C', 0, TRUE },
{ 0x20, 0, 'd', 'D', 0, TRUE },
{ 0x12, 0, 'e', 'E', 0, TRUE },
{ 0x21, 0, 'f', 'F', 0, TRUE },
{ 0x22, 0, 'g', 'G', 0, TRUE },
{ 0x23, 0, 'h', 'H', 0, TRUE },
{ 0x17, 0, 'i', 'I', 0, TRUE },
{ 0x24, 0, 'j', 'J', 0, TRUE },
{ 0x25, 0, 'k', 'K', 0, TRUE },
{ 0x26, 0, 'l', 'L', 0, TRUE },
{ 0x32, 0, 'm', 'M', 0, TRUE },
{ 0x31, 0, 'n', 'N', 0, TRUE },
{ 0x18, 0, 'o', 'O', 0, TRUE },
{ 0x19, 0, 'p', 'P', 0, TRUE },
{ 0x10, 0, 'q', 'Q', 0, TRUE },
{ 0x13, 0, 'r', 'R', 0, TRUE },
{ 0x1f, 0, 's', 'S', 0, TRUE },
{ 0x14, 0, 't', 'T', 0, TRUE },
{ 0x16, 0, 'u', 'U', 0, TRUE },
{ 0x2f, 0, 'v', 'V', 0, TRUE },
{ 0x11, 0, 'w', 'W', 0, TRUE },
{ 0x2d, 0, 'x', 'X', 0, TRUE },
{ 0x15, 0, 'y', 'Y', 0, TRUE },
{ 0x2c, 0, 'z', 'Z', 0, TRUE },
{ 0x02, 0, '1', '!', 0, FALSE },
{ 0x03, 0, '2', '@', 0, FALSE },
{ 0x04, 0, '3', '#', 0, FALSE },
{ 0x05, 0, '4', '$', 0, FALSE },
{ 0x06, 0, '5', '%', 0, FALSE },
{ 0x07, 0, '6', '^', 0, FALSE },
{ 0x08, 0, '7', '&', 0, FALSE },
{ 0x09, 0, '8', '*', 0, FALSE },
{ 0x0a, 0, '9', '(', 0, FALSE },
{ 0x0b, 0, '0', ')', 0, FALSE },
{ 0x29, 0, '\'', '~', 0, FALSE },
{ 0x0c, 0, '-', '_', 0, FALSE },
{ 0x0d, 0, '=', '+', 0, FALSE },
{ 0x1a, 0, '[', '{', 0, FALSE },
{ 0x1b, 0, ']', '}', 0, FALSE },
{ 0x2b, 0, '\\', '|', 0, FALSE },
{ 0x27, 0, ';', ':', 0, FALSE },
{ 0x28, 0, '\'', '"', 0, FALSE },
{ 0x33, 0, ',', '<', 0, FALSE },
{ 0x34, 0, '.', '>', 0, FALSE },
{ 0x35, 0, '/', '?', 0, FALSE },
{ 0x4f, 0, 0, 0, '1', FALSE },
{ 0x50, 0, 0, 0, '2', FALSE },
{ 0x51, 0, 0, 0, '3', FALSE },
{ 0x4b, 0, 0, 0, '4', FALSE },
{ 0x4c, 0, 0, 0, '5', FALSE },
{ 0x4d, 0, 0, 0, '6', FALSE },
{ 0x47, 0, 0, 0, '7', FALSE },
{ 0x48, 0, 0, 0, '8', FALSE },
{ 0x49, 0, 0, 0, '9', FALSE },
{ 0x52, 0, 0, 0, '0', FALSE },
{ 0x4a, 0, '-', '-', 0, FALSE },
{ 0x4e, 0, '+', '+', 0, FALSE },
{ 0x37, 0, '*', '*', 0, FALSE },
{ 0x35, 1, '/', '/', 0, FALSE },
{ 0x53, 0, 0, 0, '.', FALSE },
{ 0x39, 0, ' ', ' ', 0, FALSE },
{ 0x1c, 0, '\r', '\r', 0, FALSE },
{ 0x1c, 1, '\r', '\r', 0, FALSE },
{ 0x0e, 0, 0x08, 0x08, 0, FALSE }, /* backspace */
{ 0, 0, 0, 0, 0, FALSE }
};
static void
IntUpdateControlKeyState(HANDLE hConsoleInput, LPDWORD State, PKEYBOARD_INPUT_DATA InputData)
{
DWORD Value = 0;
DWORD oldState, newState;
if (InputData->Flags & KEY_E1) /* Only the pause key has E1 */
return;
oldState = newState = *State;
if (!(InputData->Flags & KEY_E0)) {
switch (InputData->MakeCode) {
case 0x2a:
case 0x36:
Value = SHIFT_PRESSED;
break;
case 0x1d:
Value = LEFT_CTRL_PRESSED;
break;
case 0x38:
Value = LEFT_ALT_PRESSED;
break;
case 0x3A:
if (!(InputData->Flags & KEY_BREAK))
newState ^= CAPSLOCK_ON;
break;
case 0x45:
if (!(InputData->Flags & KEY_BREAK))
newState ^= NUMLOCK_ON;
break;
case 0x46:
if (!(InputData->Flags & KEY_BREAK))
newState ^= SCROLLLOCK_ON;
break;
default:
return;
}
} else {
switch (InputData->MakeCode) {
case 0x1d:
Value = RIGHT_CTRL_PRESSED;
break;
case 0x38:
Value = RIGHT_ALT_PRESSED;
break;
default:
return;
}
}
/* Check if the state of the indicators has been changed */
if ((oldState ^ newState) & (NUMLOCK_ON | CAPSLOCK_ON | SCROLLLOCK_ON))
{
IO_STATUS_BLOCK IoStatusBlock;
NTSTATUS Status;
KEYBOARD_INDICATOR_PARAMETERS kip;
kip.LedFlags = 0;
kip.UnitId = 0;
if ((newState & NUMLOCK_ON))
kip.LedFlags |= KEYBOARD_NUM_LOCK_ON;
if ((newState & CAPSLOCK_ON))
kip.LedFlags |= KEYBOARD_CAPS_LOCK_ON;
if ((newState & SCROLLLOCK_ON))
kip.LedFlags |= KEYBOARD_SCROLL_LOCK_ON;
/* Update the state of the leds on primary keyboard */
DPRINT("NtDeviceIoControlFile dwLeds=%x\n", kip.LedFlags);
Status = NtDeviceIoControlFile(
hConsoleInput,
NULL,
NULL,
NULL,
&IoStatusBlock,
IOCTL_KEYBOARD_SET_INDICATORS,
&kip,
sizeof(kip),
NULL,
0);
if (!NT_SUCCESS(Status))
{
DPRINT1("NtDeviceIoControlFile(IOCTL_KEYBOARD_SET_INDICATORS) failed (Status %lx)\n", Status);
}
} else
/* Normal press/release state handling */
if (InputData->Flags & KEY_BREAK)
newState &= ~Value;
else
newState |= Value;
*State = newState;
}
static DWORD
IntVKFromKbdInput(PKEYBOARD_INPUT_DATA InputData, DWORD KeyState)
{
if (!(KeyState & ENHANCED_KEY)) {
if ((KeyState & NUMLOCK_ON) &&
KeyTableNumlock[InputData->MakeCode & 0x7f]) {
DPRINT("Numlock, using %x\n",
InputData->MakeCode & 0x7f);
return KeyTableNumlock[InputData->MakeCode & 0x7f];
}
DPRINT("Not enhanced, using %x\n", InputData->MakeCode & 0x7f);
return KeyTable[InputData->MakeCode & 0x7f];
}
DPRINT("Enhanced, using %x\n", InputData->MakeCode & 0x7f);
return KeyTableEnhanced[InputData->MakeCode & 0x7f];
}
static UCHAR
IntAsciiFromInput(PKEYBOARD_INPUT_DATA InputData, DWORD KeyState)
{
UINT Counter = 0;
USHORT Enhanced = 0;
if (KeyState & ENHANCED_KEY) Enhanced = 1;
while (ScanToAscii[Counter].ScanCode != 0) {
if ((ScanToAscii[Counter].ScanCode == InputData->MakeCode) &&
(ScanToAscii[Counter].Enhanced == Enhanced)) {
if (ScanToAscii[Counter].NumLock) {
if ((KeyState & NUMLOCK_ON) &&
!(KeyState & SHIFT_PRESSED)) {
return ScanToAscii[Counter].NumLock;
} else {
return ScanToAscii[Counter].Normal;
}
}
if ((KeyState & CAPSLOCK_ON) && ScanToAscii[Counter].bCAPS)
KeyState ^= SHIFT_PRESSED;
if (KeyState & SHIFT_PRESSED)
return ScanToAscii[Counter].Shift;
return ScanToAscii[Counter].Normal;
}
Counter++;
}
return 0;
}
/* This is going to be quick and messy. The usetup app runs in native mode
* so it cannot use the translation routines in win32k which means it'll have
* to be done here too.
*
* Only the bKeyDown, AsciiChar and wVirtualKeyCode members are used
* in the app so I'll just fill the others with somewhat sane values
*/
NTSTATUS
IntTranslateKey(HANDLE hConsoleInput, PKEYBOARD_INPUT_DATA InputData, KEY_EVENT_RECORD *Event)
{
static DWORD dwControlKeyState;
RtlZeroMemory(Event, sizeof(KEY_EVENT_RECORD));
if (!(InputData->Flags & KEY_BREAK))
Event->bKeyDown = TRUE;
else
Event->bKeyDown = FALSE;
Event->wRepeatCount = 1;
Event->wVirtualScanCode = InputData->MakeCode;
DPRINT("Translating: %x\n", InputData->MakeCode);
IntUpdateControlKeyState(hConsoleInput, &dwControlKeyState, InputData);
Event->dwControlKeyState = dwControlKeyState;
if (InputData->Flags & KEY_E0)
Event->dwControlKeyState |= ENHANCED_KEY;
Event->wVirtualKeyCode = IntVKFromKbdInput(InputData,
Event->dwControlKeyState);
DPRINT("Result: %x\n", Event->wVirtualKeyCode);
if (Event->bKeyDown) {
Event->uChar.AsciiChar =
IntAsciiFromInput(InputData,
Event->dwControlKeyState);
DPRINT("Char: %x\n", Event->uChar.AsciiChar);
} else {
Event->uChar.AsciiChar = 0;
}
return STATUS_SUCCESS;
}
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