2 * COPYRIGHT: See COPYING in the top level directory
3 * PROJECT: ReactOS kernel
4 * PURPOSE: Keyboard functions
5 * FILE: win32ss/user/ntuser/keyboard.c
6 * PROGRAMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
7 * Rafal Harabien (rafalh@reactos.org)
11 DBG_DEFAULT_CHANNEL(UserKbd
);
13 BYTE gafAsyncKeyState
[256 * 2 / 8]; // 2 bits per key
14 static BYTE gafAsyncKeyStateRecentDown
[256 / 8]; // 1 bit per key
15 static PKEYBOARD_INDICATOR_TRANSLATION gpKeyboardIndicatorTrans
= NULL
;
16 static KEYBOARD_INDICATOR_PARAMETERS gIndicators
= {0, 0};
17 KEYBOARD_ATTRIBUTES gKeyboardInfo
;
18 int gLanguageToggleKeyState
= 0;
19 DWORD gdwLanguageToggleKey
= 0;
21 /* FUNCTIONS *****************************************************************/
26 * Initialization -- Right now, just zero the key state
31 InitKeyboardImpl(VOID
)
33 RtlZeroMemory(&gafAsyncKeyState
, sizeof(gafAsyncKeyState
));
34 RtlZeroMemory(&gafAsyncKeyStateRecentDown
, sizeof(gafAsyncKeyStateRecentDown
));
35 // Clear and set default information.
36 RtlZeroMemory(&gKeyboardInfo
, sizeof(gKeyboardInfo
));
37 gKeyboardInfo
.KeyboardIdentifier
.Type
= 4; /* AT-101 */
38 gKeyboardInfo
.NumberOfFunctionKeys
= 12; /* We're doing an 101 for now, so return 12 F-keys */
39 return STATUS_SUCCESS
;
43 * IntKeyboardGetIndicatorTrans
45 * Asks the keyboard driver to send a small table that shows which
46 * lights should connect with which scancodes
50 IntKeyboardGetIndicatorTrans(HANDLE hKeyboardDevice
,
51 PKEYBOARD_INDICATOR_TRANSLATION
*ppIndicatorTrans
)
55 IO_STATUS_BLOCK Block
;
56 PKEYBOARD_INDICATOR_TRANSLATION pRet
;
58 dwSize
= sizeof(KEYBOARD_INDICATOR_TRANSLATION
);
60 pRet
= ExAllocatePoolWithTag(PagedPool
,
66 Status
= ZwDeviceIoControlFile(hKeyboardDevice
,
71 IOCTL_KEYBOARD_QUERY_INDICATOR_TRANSLATION
,
75 if (Status
!= STATUS_BUFFER_TOO_SMALL
)
78 ExFreePoolWithTag(pRet
, USERTAG_KBDTABLE
);
80 dwSize
+= sizeof(KEYBOARD_INDICATOR_TRANSLATION
);
82 pRet
= ExAllocatePoolWithTag(PagedPool
,
88 return STATUS_INSUFFICIENT_RESOURCES
;
90 if (!NT_SUCCESS(Status
))
92 ExFreePoolWithTag(pRet
, USERTAG_KBDTABLE
);
96 *ppIndicatorTrans
= pRet
;
101 * IntKeyboardUpdateLeds
103 * Sends the keyboard commands to turn on/off the lights
107 IntKeyboardUpdateLeds(HANDLE hKeyboardDevice
,
114 IO_STATUS_BLOCK Block
;
116 if (!gpKeyboardIndicatorTrans
)
117 return STATUS_NOT_SUPPORTED
;
121 case VK_CAPITAL
: LedFlag
= KEYBOARD_CAPS_LOCK_ON
; break;
122 case VK_NUMLOCK
: LedFlag
= KEYBOARD_NUM_LOCK_ON
; break;
123 case VK_SCROLL
: LedFlag
= KEYBOARD_SCROLL_LOCK_ON
; break;
125 for (i
= 0; i
< gpKeyboardIndicatorTrans
->NumberOfIndicatorKeys
; i
++)
127 if (gpKeyboardIndicatorTrans
->IndicatorList
[i
].MakeCode
== wScanCode
)
129 LedFlag
= gpKeyboardIndicatorTrans
->IndicatorList
[i
].IndicatorFlags
;
137 gIndicators
.LedFlags
^= LedFlag
;
139 /* Update the lights on the hardware */
140 Status
= ZwDeviceIoControlFile(hKeyboardDevice
,
145 IOCTL_KEYBOARD_SET_INDICATORS
,
146 &gIndicators
, sizeof(gIndicators
),
152 return STATUS_SUCCESS
;
158 * Initializes keyboard indicators translation and their state
161 UserInitKeyboard(HANDLE hKeyboardDevice
)
164 IO_STATUS_BLOCK Block
;
166 IntKeyboardGetIndicatorTrans(hKeyboardDevice
, &gpKeyboardIndicatorTrans
);
168 Status
= ZwDeviceIoControlFile(hKeyboardDevice
,
173 IOCTL_KEYBOARD_QUERY_INDICATORS
,
176 sizeof(gIndicators
));
178 if (!NT_SUCCESS(Status
))
180 WARN("NtDeviceIoControlFile() failed, ignored\n");
181 gIndicators
.LedFlags
= 0;
182 gIndicators
.UnitId
= 0;
185 SET_KEY_LOCKED(gafAsyncKeyState
, VK_CAPITAL
,
186 gIndicators
.LedFlags
& KEYBOARD_CAPS_LOCK_ON
);
187 SET_KEY_LOCKED(gafAsyncKeyState
, VK_NUMLOCK
,
188 gIndicators
.LedFlags
& KEYBOARD_NUM_LOCK_ON
);
189 SET_KEY_LOCKED(gafAsyncKeyState
, VK_SCROLL
,
190 gIndicators
.LedFlags
& KEYBOARD_SCROLL_LOCK_ON
);
192 // FIXME: Need device driver to work! HID support more than one!!!!
193 Status
= ZwDeviceIoControlFile(hKeyboardDevice
,
198 IOCTL_KEYBOARD_QUERY_ATTRIBUTES
,
200 &gKeyboardInfo
, sizeof(gKeyboardInfo
));
202 if (!NT_SUCCESS(Status
))
204 ERR("NtDeviceIoControlFile() failed, ignored\n");
206 TRACE("Keyboard type %u, subtype %u and number of func keys %u\n",
207 gKeyboardInfo
.KeyboardIdentifier
.Type
,
208 gKeyboardInfo
.KeyboardIdentifier
.Subtype
,
209 gKeyboardInfo
.NumberOfFunctionKeys
);
215 * Changes virtual keys which distinguish between left and right hand, to keys which don't distinguish
219 IntSimplifyVk(WORD wVk
)
243 * Changes virtual keys which don't not distinguish between left and right hand to proper keys
247 IntFixVk(WORD wVk
, BOOL bExt
)
252 return bExt
? VK_RSHIFT
: VK_LSHIFT
;
255 return bExt
? VK_RCONTROL
: VK_LCONTROL
;
258 return bExt
? VK_RMENU
: VK_LMENU
;
266 * IntTranslateNumpadKey
268 * Translates numpad keys when numlock is enabled
272 IntTranslateNumpadKey(WORD wVk
)
276 case VK_INSERT
: return VK_NUMPAD0
;
277 case VK_END
: return VK_NUMPAD1
;
278 case VK_DOWN
: return VK_NUMPAD2
;
279 case VK_NEXT
: return VK_NUMPAD3
;
280 case VK_LEFT
: return VK_NUMPAD4
;
281 case VK_CLEAR
: return VK_NUMPAD5
;
282 case VK_RIGHT
: return VK_NUMPAD6
;
283 case VK_HOME
: return VK_NUMPAD7
;
284 case VK_UP
: return VK_NUMPAD8
;
285 case VK_PRIOR
: return VK_NUMPAD9
;
286 case VK_DELETE
: return VK_DECIMAL
;
294 * Gets layout specific modification bits, for example KBDSHIFT, KBDCTRL, KBDALT
298 IntGetModBits(PKBDTABLES pKbdTbl
, PBYTE pKeyState
)
300 DWORD i
, dwModBits
= 0;
302 /* DumpKeyState( KeyState ); */
304 for (i
= 0; pKbdTbl
->pCharModifiers
->pVkToBit
[i
].Vk
; i
++)
305 if (IS_KEY_DOWN(pKeyState
, pKbdTbl
->pCharModifiers
->pVkToBit
[i
].Vk
))
306 dwModBits
|= pKbdTbl
->pCharModifiers
->pVkToBit
[i
].ModBits
;
308 TRACE("Current Mod Bits: %lx\n", dwModBits
);
316 * Translates virtual key to character
320 IntTranslateChar(WORD wVirtKey
,
324 PWCHAR pwcTranslatedChar
,
327 PVK_TO_WCHAR_TABLE pVkToVchTbl
;
328 PVK_TO_WCHARS10 pVkToVch
;
329 DWORD i
, dwModBits
, dwVkModBits
, dwModNumber
= 0;
334 dwModBits
= pKeyState
? IntGetModBits(pKbdTbl
, pKeyState
) : 0;
335 bAltGr
= pKeyState
&& (pKbdTbl
->fLocaleFlags
& KLLF_ALTGR
) && IS_KEY_DOWN(pKeyState
, VK_RMENU
);
336 wCaplokAttr
= bAltGr
? CAPLOKALTGR
: CAPLOK
;
338 TRACE("TryToTranslate: %04x %x\n", wVirtKey
, dwModBits
);
340 /* If ALT without CTRL has ben used, remove ALT flag */
341 if ((dwModBits
& (KBDALT
|KBDCTRL
)) == KBDALT
)
342 dwModBits
&= ~KBDALT
;
344 if (dwModBits
> pKbdTbl
->pCharModifiers
->wMaxModBits
)
346 TRACE("dwModBits %x > wMaxModBits %x\n", dwModBits
, pKbdTbl
->pCharModifiers
->wMaxModBits
);
350 for (i
= 0; pKbdTbl
->pVkToWcharTable
[i
].pVkToWchars
; i
++)
352 pVkToVchTbl
= &pKbdTbl
->pVkToWcharTable
[i
];
353 pVkToVch
= (PVK_TO_WCHARS10
)(pVkToVchTbl
->pVkToWchars
);
354 while (pVkToVch
->VirtualKey
)
356 if (wVirtKey
== (pVkToVch
->VirtualKey
& 0xFF))
358 dwVkModBits
= dwModBits
;
360 /* If CapsLock is enabled for this key and locked, add SHIFT bit */
361 if ((pVkToVch
->Attributes
& wCaplokAttr
) &&
363 IS_KEY_LOCKED(pKeyState
, VK_CAPITAL
))
365 /* Note: we use special value here instead of getting VK_SHIFT mod bit - it's verified */
366 dwVkModBits
^= KBDSHIFT
;
369 if (dwVkModBits
> pKbdTbl
->pCharModifiers
->wMaxModBits
)
372 /* Get modification number */
373 dwModNumber
= pKbdTbl
->pCharModifiers
->ModNumber
[dwVkModBits
];
374 if (dwModNumber
>= pVkToVchTbl
->nModifications
)
376 TRACE("dwModNumber %u >= nModifications %u\n", dwModNumber
, pVkToVchTbl
->nModifications
);
381 wch
= pVkToVch
->wch
[dwModNumber
];
385 *pbDead
= (wch
== WCH_DEAD
);
386 *pbLigature
= (wch
== WCH_LGTR
);
387 *pwcTranslatedChar
= wch
;
389 TRACE("%lu %04x: dwModNumber %08x Char %04x\n",
390 i
, wVirtKey
, dwModNumber
, wch
);
394 /* After WCH_DEAD, real character is located */
395 pVkToVch
= (PVK_TO_WCHARS10
)(((BYTE
*)pVkToVch
) + pVkToVchTbl
->cbSize
);
396 if (pVkToVch
->VirtualKey
!= 0xFF)
398 WARN("Found dead key with no trailer in the table.\n");
399 WARN("VK: %04x, ADDR: %p\n", wVirtKey
, pVkToVch
);
402 *pwcTranslatedChar
= pVkToVch
->wch
[dwModNumber
];
406 pVkToVch
= (PVK_TO_WCHARS10
)(((BYTE
*)pVkToVch
) + pVkToVchTbl
->cbSize
);
410 /* If nothing has been found in layout, check if this is ASCII control character.
411 Note: we could add it to layout table, but windows does not have it there */
412 if (wVirtKey
>= 'A' && wVirtKey
<= 'Z' &&
413 pKeyState
&& IS_KEY_DOWN(pKeyState
, VK_CONTROL
) &&
414 !IS_KEY_DOWN(pKeyState
, VK_MENU
))
416 *pwcTranslatedChar
= (wVirtKey
- 'A') + 1; /* ASCII control character */
428 * Translates virtual key to characters
432 IntToUnicodeEx(UINT wVirtKey
,
440 WCHAR wchTranslatedChar
;
441 BOOL bDead
, bLigature
;
442 static WCHAR wchDead
= 0;
447 if (!IntTranslateChar(wVirtKey
,
459 WARN("Not handling ligature (yet)\n" );
463 /* If we got dead char in previous call check dead keys in keyboard layout */
467 WCHAR wchFirst
, wchSecond
;
468 TRACE("Previous dead char: %lc (%x)\n", wchDead
, wchDead
);
470 for (i
= 0; pKbdTbl
->pDeadKey
[i
].dwBoth
; i
++)
472 wchFirst
= pKbdTbl
->pDeadKey
[i
].dwBoth
>> 16;
473 wchSecond
= pKbdTbl
->pDeadKey
[i
].dwBoth
& 0xFFFF;
474 if (wchFirst
== wchDead
&& wchSecond
== wchTranslatedChar
)
476 wchTranslatedChar
= pKbdTbl
->pDeadKey
[i
].wchComposed
;
483 TRACE("Final char: %lc (%x)\n", wchTranslatedChar
, wchTranslatedChar
);
486 /* Dead char has not been not found */
489 /* Treat both characters normally */
491 pwszBuff
[iRet
++] = wchDead
;
495 /* Add character to the buffer */
497 pwszBuff
[iRet
++] = wchTranslatedChar
;
499 /* Save dead character */
500 wchDead
= bDead
? wchTranslatedChar
: 0;
502 return bDead
? -iRet
: iRet
;
508 * Translates virtual key to scan code
512 IntVkToVsc(WORD wVk
, PKBDTABLES pKbdTbl
)
518 /* Check standard keys first */
519 for (i
= 0; i
< pKbdTbl
->bMaxVSCtoVK
; i
++)
521 if ((pKbdTbl
->pusVSCtoVK
[i
] & 0xFF) == wVk
)
525 /* Check extended keys now */
526 for (i
= 0; pKbdTbl
->pVSCtoVK_E0
[i
].Vsc
; i
++)
528 if ((pKbdTbl
->pVSCtoVK_E0
[i
].Vk
& 0xFF) == wVk
)
529 return 0xE000 | pKbdTbl
->pVSCtoVK_E0
[i
].Vsc
;
532 for (i
= 0; pKbdTbl
->pVSCtoVK_E1
[i
].Vsc
; i
++)
534 if ((pKbdTbl
->pVSCtoVK_E1
[i
].Vk
& 0xFF) == wVk
)
535 return 0xE100 | pKbdTbl
->pVSCtoVK_E1
[i
].Vsc
;
538 /* Virtual key has not been found */
545 * Translates prefixed scancode to virtual key
549 IntVscToVk(WORD wScanCode
, PKBDTABLES pKbdTbl
)
556 if ((wScanCode
& 0xFF00) == 0xE000)
558 for (i
= 0; pKbdTbl
->pVSCtoVK_E0
[i
].Vsc
; i
++)
560 if (pKbdTbl
->pVSCtoVK_E0
[i
].Vsc
== (wScanCode
& 0xFF))
562 wVk
= pKbdTbl
->pVSCtoVK_E0
[i
].Vk
;
566 else if ((wScanCode
& 0xFF00) == 0xE100)
568 for (i
= 0; pKbdTbl
->pVSCtoVK_E1
[i
].Vsc
; i
++)
570 if (pKbdTbl
->pVSCtoVK_E1
[i
].Vsc
== (wScanCode
& 0xFF))
572 wVk
= pKbdTbl
->pVSCtoVK_E1
[i
].Vk
;
576 else if (wScanCode
< pKbdTbl
->bMaxVSCtoVK
)
578 wVk
= pKbdTbl
->pusVSCtoVK
[wScanCode
];
581 /* 0xFF nad 0x00 are invalid VKs */
582 return wVk
!= 0xFF ? wVk
: 0;
588 * Translates virtual key to character, ignoring shift state
592 IntVkToChar(WORD wVk
, PKBDTABLES pKbdTbl
)
595 BOOL bDead
, bLigature
;
599 if (IntTranslateChar(wVk
,
613 * NtUserGetAsyncKeyState
615 * Gets key state from global bitmap
619 NtUserGetAsyncKeyState(INT Key
)
623 TRACE("Enter NtUserGetAsyncKeyState\n");
627 EngSetLastError(ERROR_INVALID_PARAMETER
);
628 ERR("Invalid parameter Key\n");
632 UserEnterExclusive();
634 if (IS_KEY_DOWN(gafAsyncKeyState
, Key
))
635 wRet
|= 0x8000; // If down, windows returns 0x8000.
636 if (gafAsyncKeyStateRecentDown
[Key
/ 8] & (1 << (Key
% 8)))
638 gafAsyncKeyStateRecentDown
[Key
/ 8] &= ~(1 << (Key
% 8));
642 TRACE("Leave NtUserGetAsyncKeyState, ret=%u\n", wRet
);
647 * UpdateAsyncKeyState
649 * Updates gafAsyncKeyState array
653 UpdateAsyncKeyState(WORD wVk
, BOOL bIsDown
)
657 /* If it's first key down event, xor lock bit */
658 if (!IS_KEY_DOWN(gafAsyncKeyState
, wVk
))
659 SET_KEY_LOCKED(gafAsyncKeyState
, wVk
, !IS_KEY_LOCKED(gafAsyncKeyState
, wVk
));
661 SET_KEY_DOWN(gafAsyncKeyState
, wVk
, TRUE
);
662 gafAsyncKeyStateRecentDown
[wVk
/ 8] |= (1 << (wVk
% 8));
665 SET_KEY_DOWN(gafAsyncKeyState
, wVk
, FALSE
);
669 * co_CallLowLevelKeyboardHook
671 * Calls WH_KEYBOARD_LL hook
674 co_CallLowLevelKeyboardHook(WORD wVk
, WORD wScanCode
, DWORD dwFlags
, BOOL bInjected
, DWORD dwTime
, DWORD dwExtraInfo
)
676 KBDLLHOOKSTRUCT KbdHookData
;
679 KbdHookData
.vkCode
= wVk
;
680 KbdHookData
.scanCode
= wScanCode
;
681 KbdHookData
.flags
= 0;
682 if (dwFlags
& KEYEVENTF_EXTENDEDKEY
)
683 KbdHookData
.flags
|= LLKHF_EXTENDED
;
684 if (IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
))
685 KbdHookData
.flags
|= LLKHF_ALTDOWN
;
686 if (dwFlags
& KEYEVENTF_KEYUP
)
687 KbdHookData
.flags
|= LLKHF_UP
;
689 KbdHookData
.flags
|= LLKHF_INJECTED
;
690 KbdHookData
.time
= dwTime
;
691 KbdHookData
.dwExtraInfo
= dwExtraInfo
;
693 /* Note: it doesnt support WM_SYSKEYUP */
694 if (dwFlags
& KEYEVENTF_KEYUP
)
696 else if (IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
) && !IS_KEY_DOWN(gafAsyncKeyState
, VK_CONTROL
))
697 uMsg
= WM_SYSKEYDOWN
;
701 return co_HOOK_CallHooks(WH_KEYBOARD_LL
, HC_ACTION
, uMsg
, (LPARAM
)&KbdHookData
);
707 * Saves snapshot of specified window or whole screen in the clipboard
710 SnapWindow(HWND hWnd
)
712 HBITMAP hbm
= NULL
, hbmOld
;
713 HDC hdc
= NULL
, hdcMem
;
718 TRACE("SnapWindow(%p)\n", hWnd
);
720 /* If no windows is given, make snapshot of desktop window */
722 hWnd
= IntGetDesktopWindow();
724 pWnd
= UserGetWindowObject(hWnd
);
727 ERR("Invalid window\n");
731 hdc
= UserGetDCEx(pWnd
, NULL
, DCX_USESTYLE
| DCX_WINDOW
);
734 ERR("UserGetDCEx failed!\n");
738 cx
= pWnd
->rcWindow
.right
- pWnd
->rcWindow
.left
;
739 cy
= pWnd
->rcWindow
.bottom
- pWnd
->rcWindow
.top
;
741 hbm
= NtGdiCreateCompatibleBitmap(hdc
, cx
, cy
);
744 ERR("NtGdiCreateCompatibleBitmap failed!\n");
748 hdcMem
= NtGdiCreateCompatibleDC(hdc
);
751 ERR("NtGdiCreateCompatibleDC failed!\n");
755 hbmOld
= NtGdiSelectBitmap(hdcMem
, hbm
);
756 NtGdiBitBlt(hdcMem
, 0, 0, cx
, cy
, hdc
, 0, 0, SRCCOPY
, 0, 0);
757 NtGdiSelectBitmap(hdcMem
, hbmOld
);
758 IntGdiDeleteDC(hdcMem
, FALSE
);
760 /* Save snapshot in clipboard */
761 if (UserOpenClipboard(NULL
))
763 UserEmptyClipboard();
764 scd
.fIncSerialNumber
= TRUE
;
765 scd
.fGlobalHandle
= FALSE
;
766 if (UserSetClipboardData(CF_BITMAP
, hbm
, &scd
))
768 /* Bitmap is managed by system now */
771 UserCloseClipboard();
776 GreDeleteObject(hbm
);
778 UserReleaseDC(pWnd
, hdc
, FALSE
);
782 * UserSendKeyboardInput
784 * Process keyboard input from input devices and SendInput API
787 ProcessKeyEvent(WORD wVk
, WORD wScanCode
, DWORD dwFlags
, BOOL bInjected
, DWORD dwTime
, DWORD dwExtraInfo
)
789 WORD wSimpleVk
= 0, wFixedVk
, wVk2
;
790 PUSER_MESSAGE_QUEUE pFocusQueue
;
792 BOOL bExt
= (dwFlags
& KEYEVENTF_EXTENDEDKEY
) ? TRUE
: FALSE
;
793 BOOL bIsDown
= (dwFlags
& KEYEVENTF_KEYUP
) ? FALSE
: TRUE
;
794 BOOL bPacket
= (dwFlags
& KEYEVENTF_UNICODE
) ? TRUE
: FALSE
;
795 BOOL bWasSimpleDown
= FALSE
, bPostMsg
= TRUE
, bIsSimpleDown
;
797 static BOOL bMenuDownRecently
= FALSE
;
799 /* Get virtual key without shifts (VK_(L|R)* -> VK_*) */
800 wSimpleVk
= IntSimplifyVk(wVk
);
801 bWasSimpleDown
= IS_KEY_DOWN(gafAsyncKeyState
, wSimpleVk
);
803 /* Update key without shifts */
804 wVk2
= IntFixVk(wSimpleVk
, !bExt
);
805 bIsSimpleDown
= bIsDown
|| IS_KEY_DOWN(gafAsyncKeyState
, wVk2
);
806 UpdateAsyncKeyState(wSimpleVk
, bIsSimpleDown
);
810 /* Update keyboard LEDs */
811 IntKeyboardUpdateLeds(ghKeyboardDevice
,
816 /* Call WH_KEYBOARD_LL hook */
817 if (co_CallLowLevelKeyboardHook(wVk
, wScanCode
, dwFlags
, bInjected
, dwTime
, dwExtraInfo
))
819 ERR("Kbd msg dropped by WH_KEYBOARD_LL hook\n");
823 /* Check if this is a hotkey */
824 if (co_UserProcessHotKeys(wSimpleVk
, bIsDown
)) //// Check if this is correct, refer to hotkey sequence message tests.
826 TRACE("HotKey Processed\n");
830 wFixedVk
= IntFixVk(wSimpleVk
, bExt
); /* LSHIFT + EXT = RSHIFT */
831 if (wSimpleVk
== VK_SHIFT
) /* shift can't be extended */
834 /* If we have a focus queue, post a keyboard message */
835 pFocusQueue
= IntGetFocusMessageQueue();
836 TRACE("ProcessKeyEvent Q 0x%p Active pWnd 0x%p Focus pWnd 0x%p\n",
838 (pFocusQueue
? pFocusQueue
->spwndActive
: 0),
839 (pFocusQueue
? pFocusQueue
->spwndFocus
: 0));
841 /* If it is F10 or ALT is down and CTRL is up, it's a system key */
842 if ( wVk
== VK_F10
||
843 (wSimpleVk
== VK_MENU
&& bMenuDownRecently
) ||
844 (IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
) &&
845 !IS_KEY_DOWN(gafAsyncKeyState
, VK_CONTROL
)) ||
846 // See MSDN WM_SYSKEYDOWN/UP fixes last wine Win test_keyboard_input.
847 (pFocusQueue
&& !pFocusQueue
->spwndFocus
) )
849 bMenuDownRecently
= FALSE
; // reset
852 Msg
.message
= WM_SYSKEYDOWN
;
853 if (wSimpleVk
== VK_MENU
)
855 // Note: If only LALT is pressed WM_SYSKEYUP is generated instead of WM_KEYUP
856 bMenuDownRecently
= TRUE
;
860 Msg
.message
= WM_SYSKEYUP
;
865 Msg
.message
= WM_KEYDOWN
;
867 Msg
.message
= WM_KEYUP
;
870 /* Update async state of not simplified vk here.
871 See user32_apitest:GetKeyState */
872 UpdateAsyncKeyState(wFixedVk
, bIsDown
);
874 /* Alt-Tab/Esc Check. Use FocusQueue or RIT Queue */
875 if (bIsSimpleDown
&& !bWasSimpleDown
&&
876 IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
) &&
877 !IS_KEY_DOWN(gafAsyncKeyState
, VK_CONTROL
) &&
878 (wVk
== VK_ESCAPE
|| wVk
== VK_TAB
))
880 TRACE("Alt-Tab/Esc Pressed wParam %x\n",wVk
);
883 if (bIsDown
&& wVk
== VK_SNAPSHOT
)
886 IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
) &&
887 !IS_KEY_DOWN(gafAsyncKeyState
, VK_CONTROL
))
889 // Snap from Active Window, Focus can be null.
890 SnapWindow(pFocusQueue
->spwndActive
? UserHMGetHandle(pFocusQueue
->spwndActive
) : 0);
893 SnapWindow(NULL
); // Snap Desktop.
895 else if (pFocusQueue
&& bPostMsg
)
897 PWND Wnd
= pFocusQueue
->spwndFocus
; // SysInit.....
899 pti
= pFocusQueue
->ptiKeyboard
;
901 if (!Wnd
&& pFocusQueue
->spwndActive
) // SysInit.....
903 // Going with Active. WM_SYSKEYXXX last wine Win test_keyboard_input.
904 Wnd
= pFocusQueue
->spwndActive
;
906 if (Wnd
) pti
= Wnd
->head
.pti
;
909 Msg
.hwnd
= Wnd
? UserHMGetHandle(Wnd
) : NULL
;
910 Msg
.wParam
= wFixedVk
& 0xFF; /* Note: It's simplified by msg queue */
911 Msg
.lParam
= MAKELPARAM(1, wScanCode
);
913 Msg
.pt
= gpsi
->ptCursor
;
915 if ( Msg
.message
== WM_KEYDOWN
|| Msg
.message
== WM_SYSKEYDOWN
)
917 if ( (Msg
.wParam
== VK_SHIFT
||
918 Msg
.wParam
== VK_CONTROL
||
919 Msg
.wParam
== VK_MENU
) &&
920 !IS_KEY_DOWN(gafAsyncKeyState
, Msg
.wParam
))
922 ERR("Set last input\n");
923 //ptiLastInput = pti;
927 /* If it is VK_PACKET, high word of wParam is used for wchar */
931 Msg
.lParam
|= KF_EXTENDED
<< 16;
932 if (IS_KEY_DOWN(gafAsyncKeyState
, VK_MENU
))
933 Msg
.lParam
|= KF_ALTDOWN
<< 16;
935 Msg
.lParam
|= KF_REPEAT
<< 16;
937 Msg
.lParam
|= KF_UP
<< 16;
938 /* FIXME: Set KF_DLGMODE and KF_MENUMODE when needed */
939 if (pFocusQueue
->QF_flags
& QF_DIALOGACTIVE
)
940 Msg
.lParam
|= KF_DLGMODE
<< 16;
941 if (pFocusQueue
->MenuOwner
) // pti->pMenuState->fMenuStarted
942 Msg
.lParam
|= KF_MENUMODE
<< 16;
945 // Post mouse move before posting key buttons, to keep it syned.
946 if (pFocusQueue
->QF_flags
& QF_MOUSEMOVED
)
948 IntCoalesceMouseMove(pti
);
951 /* Post a keyboard message */
952 TRACE("Posting keyboard msg %u wParam 0x%x lParam 0x%x\n", Msg
.message
, Msg
.wParam
, Msg
.lParam
);
953 if (!Wnd
) {ERR("Window is NULL\n");}
954 MsqPostMessage(pti
, &Msg
, TRUE
, QS_KEY
, 0, dwExtraInfo
);
960 UserSendKeyboardInput(KEYBDINPUT
*pKbdInput
, BOOL bInjected
)
965 PUSER_MESSAGE_QUEUE pFocusQueue
;
966 LARGE_INTEGER LargeTickCount
;
968 BOOL bExt
= (pKbdInput
->dwFlags
& KEYEVENTF_EXTENDEDKEY
) ? TRUE
: FALSE
;
970 gppiInputProvider
= ((PTHREADINFO
)PsGetCurrentThreadWin32Thread())->ppi
;
972 /* Find the target thread whose locale is in effect */
973 pFocusQueue
= IntGetFocusMessageQueue();
975 if (pFocusQueue
&& pFocusQueue
->ptiKeyboard
)
977 pKl
= pFocusQueue
->ptiKeyboard
->KeyboardLayout
;
981 pKl
= W32kGetDefaultKeyLayout();
984 ERR("No keyboard layout!\n");
988 pKbdTbl
= pKl
->spkf
->pKbdTbl
;
990 /* Note: wScan field is always used */
991 wScanCode
= pKbdInput
->wScan
;
993 if (pKbdInput
->dwFlags
& KEYEVENTF_UNICODE
)
995 /* Generate WM_KEYDOWN msg with wParam == VK_PACKET and
996 high order word of lParam == pKbdInput->wScan */
1002 if (pKbdInput
->dwFlags
& KEYEVENTF_SCANCODE
)
1004 /* Don't ignore invalid scan codes */
1005 wVk
= IntVscToVk(wScanCode
| (bExt
? 0xE000 : 0), pKbdTbl
);
1006 if (!wVk
) /* use 0xFF if vsc is invalid */
1011 wVk
= pKbdInput
->wVk
& 0xFF;
1015 /* If time is given, use it */
1016 if (pKbdInput
->time
)
1017 dwTime
= pKbdInput
->time
;
1020 KeQueryTickCount(&LargeTickCount
);
1021 dwTime
= MsqCalculateMessageTime(&LargeTickCount
);
1024 if (wVk
== VK_RMENU
&& (pKbdTbl
->fLocaleFlags
& KLLF_ALTGR
))
1026 /* For AltGr keyboards RALT generates CTRL events */
1027 ProcessKeyEvent(VK_LCONTROL
, 0, pKbdInput
->dwFlags
& KEYEVENTF_KEYUP
, bInjected
, dwTime
, 0);
1030 /* Finally process this key */
1031 return ProcessKeyEvent(wVk
, wScanCode
, pKbdInput
->dwFlags
, bInjected
, dwTime
, pKbdInput
->dwExtraInfo
);
1035 * UserProcessKeyboardInput
1037 * Process raw keyboard input data
1040 UserProcessKeyboardInput(
1041 PKEYBOARD_INPUT_DATA pKbdInputData
)
1043 WORD wScanCode
, wVk
;
1046 PUSER_MESSAGE_QUEUE pFocusQueue
;
1048 /* Calculate scan code with prefix */
1049 wScanCode
= pKbdInputData
->MakeCode
& 0x7F;
1050 if (pKbdInputData
->Flags
& KEY_E0
)
1051 wScanCode
|= 0xE000;
1052 if (pKbdInputData
->Flags
& KEY_E1
)
1053 wScanCode
|= 0xE100;
1055 /* Find the target thread whose locale is in effect */
1056 pFocusQueue
= IntGetFocusMessageQueue();
1058 if (pFocusQueue
&& pFocusQueue
->ptiKeyboard
)
1060 pKl
= pFocusQueue
->ptiKeyboard
->KeyboardLayout
;
1064 pKl
= W32kGetDefaultKeyLayout();
1068 pKbdTbl
= pKl
->spkf
->pKbdTbl
;
1070 /* Convert scan code to virtual key.
1071 Note: We could call UserSendKeyboardInput using scan code,
1072 but it wouldn't interpret E1 key(s) properly */
1073 wVk
= IntVscToVk(wScanCode
, pKbdTbl
);
1074 TRACE("UserProcessKeyboardInput: %x (break: %u) -> %x\n",
1075 wScanCode
, (pKbdInputData
->Flags
& KEY_BREAK
) ? 1u : 0, wVk
);
1079 KEYBDINPUT KbdInput
;
1081 /* Support numlock */
1082 if ((wVk
& KBDNUMPAD
) && IS_KEY_LOCKED(gafAsyncKeyState
, VK_NUMLOCK
))
1084 wVk
= IntTranslateNumpadKey(wVk
& 0xFF);
1087 /* Send keyboard input */
1088 KbdInput
.wVk
= wVk
& 0xFF;
1089 KbdInput
.wScan
= wScanCode
& 0x7F;
1090 KbdInput
.dwFlags
= 0;
1091 if (pKbdInputData
->Flags
& KEY_BREAK
)
1092 KbdInput
.dwFlags
|= KEYEVENTF_KEYUP
;
1095 KbdInput
.dwFlags
|= KEYEVENTF_EXTENDEDKEY
;
1097 // Based on wine input:test_Input_blackbox this is okay. It seems the
1098 // bit did not get set and more research is needed. Now the right
1101 if (wVk
== VK_RSHIFT
)
1102 KbdInput
.dwFlags
|= KEYEVENTF_EXTENDEDKEY
;
1105 KbdInput
.dwExtraInfo
= pKbdInputData
->ExtraInformation
;
1106 UserSendKeyboardInput(&KbdInput
, FALSE
);
1108 /* E1 keys don't have break code */
1109 if (pKbdInputData
->Flags
& KEY_E1
)
1111 /* Send key up event */
1112 KbdInput
.dwFlags
|= KEYEVENTF_KEYUP
;
1113 UserSendKeyboardInput(&KbdInput
, FALSE
);
1119 * IntTranslateKbdMessage
1121 * Addes WM_(SYS)CHAR messages to message queue if message
1122 * describes key which produce character.
1125 IntTranslateKbdMessage(LPMSG lpMsg
,
1130 WCHAR wch
[3] = { 0 };
1133 LARGE_INTEGER LargeTickCount
;
1134 BOOL bResult
= FALSE
;
1136 switch(lpMsg
->message
)
1147 pti
= PsGetCurrentThreadWin32Thread();
1149 if (!pti
->KeyboardLayout
)
1151 pti
->KeyboardLayout
= W32kGetDefaultKeyLayout();
1152 pti
->pClientInfo
->hKL
= pti
->KeyboardLayout
? pti
->KeyboardLayout
->hkl
: NULL
;
1153 pKbdTbl
= pti
->KeyboardLayout
? pti
->KeyboardLayout
->spkf
->pKbdTbl
: NULL
;
1156 pKbdTbl
= pti
->KeyboardLayout
->spkf
->pKbdTbl
;
1160 if (lpMsg
->message
!= WM_KEYDOWN
&& lpMsg
->message
!= WM_SYSKEYDOWN
)
1163 /* Init pt, hwnd and time msg fields */
1164 NewMsg
.pt
= gpsi
->ptCursor
;
1165 NewMsg
.hwnd
= lpMsg
->hwnd
;
1166 KeQueryTickCount(&LargeTickCount
);
1167 NewMsg
.time
= MsqCalculateMessageTime(&LargeTickCount
);
1169 TRACE("Enter IntTranslateKbdMessage msg %s, vk %x\n",
1170 lpMsg
->message
== WM_SYSKEYDOWN
? "WM_SYSKEYDOWN" : "WM_KEYDOWN", lpMsg
->wParam
);
1172 if (lpMsg
->wParam
== VK_PACKET
)
1174 NewMsg
.message
= (lpMsg
->message
== WM_KEYDOWN
) ? WM_CHAR
: WM_SYSCHAR
;
1175 NewMsg
.wParam
= HIWORD(lpMsg
->lParam
);
1176 NewMsg
.lParam
= LOWORD(lpMsg
->lParam
);
1177 MsqPostMessage(pti
, &NewMsg
, FALSE
, QS_KEY
, 0, 0);
1181 cch
= IntToUnicodeEx(lpMsg
->wParam
,
1182 HIWORD(lpMsg
->lParam
) & 0xFF,
1183 pti
->MessageQueue
->afKeyState
,
1185 sizeof(wch
) / sizeof(wch
[0]),
1191 if (cch
> 0) /* Normal characters */
1192 NewMsg
.message
= (lpMsg
->message
== WM_KEYDOWN
) ? WM_CHAR
: WM_SYSCHAR
;
1193 else /* Dead character */
1197 (lpMsg
->message
== WM_KEYDOWN
) ? WM_DEADCHAR
: WM_SYSDEADCHAR
;
1199 NewMsg
.lParam
= lpMsg
->lParam
;
1201 /* Send all characters */
1202 for (i
= 0; i
< cch
; ++i
)
1204 TRACE("Msg: %x '%lc' (%04x) %08x\n", NewMsg
.message
, wch
[i
], wch
[i
], NewMsg
.lParam
);
1205 NewMsg
.wParam
= wch
[i
];
1206 MsqPostMessage(pti
, &NewMsg
, FALSE
, QS_KEY
, 0, 0);
1211 TRACE("Leave IntTranslateKbdMessage ret %d, cch %d, msg %x, wch %x\n",
1212 bResult
, cch
, NewMsg
.message
, NewMsg
.wParam
);
1217 * Map a virtual key code, or virtual scan code, to a scan code, key code,
1218 * or unshifted unicode character.
1222 * 0 -- Code is a virtual key code that is converted into a virtual scan code
1223 * that does not distinguish between left and right shift keys.
1224 * 1 -- Code is a virtual scan code that is converted into a virtual key code
1225 * that does not distinguish between left and right shift keys.
1226 * 2 -- Code is a virtual key code that is converted into an unshifted unicode
1228 * 3 -- Code is a virtual scan code that is converted into a virtual key code
1229 * that distinguishes left and right shift keys.
1230 * KeyLayout: Keyboard layout handle
1235 IntMapVirtualKeyEx(UINT uCode
, UINT Type
, PKBDTABLES pKbdTbl
)
1241 case MAPVK_VK_TO_VSC
:
1242 uCode
= IntFixVk(uCode
, FALSE
);
1243 uRet
= IntVkToVsc(uCode
, pKbdTbl
);
1244 if (uRet
> 0xFF) // Fail for scancodes with prefix (e0, e1)
1248 case MAPVK_VSC_TO_VK
:
1249 uRet
= IntVscToVk(uCode
, pKbdTbl
) & 0xFF;
1250 uRet
= IntSimplifyVk(uRet
);
1253 case MAPVK_VK_TO_CHAR
:
1254 uRet
= (UINT
)IntVkToChar(uCode
, pKbdTbl
);
1257 case MAPVK_VSC_TO_VK_EX
:
1258 uRet
= IntVscToVk(uCode
, pKbdTbl
) & 0xFF;
1261 case MAPVK_VK_TO_VSC_EX
:
1262 uRet
= IntVkToVsc(uCode
, pKbdTbl
);
1266 EngSetLastError(ERROR_INVALID_PARAMETER
);
1267 ERR("Wrong type value: %u\n", Type
);
1274 * NtUserMapVirtualKeyEx
1276 * Map a virtual key code, or virtual scan code, to a scan code, key code,
1277 * or unshifted unicode character. See IntMapVirtualKeyEx.
1281 NtUserMapVirtualKeyEx(UINT uCode
, UINT uType
, DWORD keyboardId
, HKL dwhkl
)
1283 PKBDTABLES pKbdTbl
= NULL
;
1286 TRACE("Enter NtUserMapVirtualKeyEx\n");
1293 pti
= PsGetCurrentThreadWin32Thread();
1294 if (pti
&& pti
->KeyboardLayout
)
1295 pKbdTbl
= pti
->KeyboardLayout
->spkf
->pKbdTbl
;
1301 pKl
= UserHklToKbl(dwhkl
);
1303 pKbdTbl
= pKl
->spkf
->pKbdTbl
;
1307 ret
= IntMapVirtualKeyEx(uCode
, uType
, pKbdTbl
);
1310 TRACE("Leave NtUserMapVirtualKeyEx, ret=%u\n", ret
);
1317 * Translates virtual key to characters
1324 PBYTE pKeyStateUnsafe
,
1325 LPWSTR pwszBuffUnsafe
,
1331 BYTE afKeyState
[256 * 2 / 8] = {0};
1332 PWCHAR pwszBuff
= NULL
;
1336 TRACE("Enter NtUserSetKeyboardState\n");
1338 /* Return 0 if SC_KEY_UP bit is set */
1339 if (wScanCode
& SC_KEY_UP
|| wVirtKey
>= 0x100)
1341 ERR("Invalid parameter\n");
1347 /* Probe and copy key state to smaller bitmap */
1348 ProbeForRead(pKeyStateUnsafe
, 256 * sizeof(BYTE
), 1);
1349 for (i
= 0; i
< 256; ++i
)
1351 if (pKeyStateUnsafe
[i
] & KS_DOWN_BIT
)
1352 SET_KEY_DOWN(afKeyState
, i
, TRUE
);
1353 if (pKeyStateUnsafe
[i
] & KS_LOCK_BIT
)
1354 SET_KEY_LOCKED(afKeyState
, i
, TRUE
);
1357 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
1359 ERR("Cannot copy key state\n");
1360 SetLastNtError(_SEH2_GetExceptionCode());
1361 _SEH2_YIELD(return 0);
1365 pwszBuff
= ExAllocatePoolWithTag(NonPagedPool
, sizeof(WCHAR
) * cchBuff
, TAG_STRING
);
1368 ERR("ExAllocatePoolWithTag(%u) failed\n", sizeof(WCHAR
) * cchBuff
);
1371 RtlZeroMemory(pwszBuff
, sizeof(WCHAR
) * cchBuff
);
1373 UserEnterExclusive(); // Note: We modify wchDead static variable
1376 pKl
= UserHklToKbl(dwhkl
);
1380 pti
= PsGetCurrentThreadWin32Thread();
1381 pKl
= pti
->KeyboardLayout
;
1384 iRet
= IntToUnicodeEx(wVirtKey
,
1390 pKl
? pKl
->spkf
->pKbdTbl
: NULL
);
1392 MmCopyToCaller(pwszBuffUnsafe
, pwszBuff
, cchBuff
* sizeof(WCHAR
));
1393 ExFreePoolWithTag(pwszBuff
, TAG_STRING
);
1396 TRACE("Leave NtUserSetKeyboardState, ret=%i\n", iRet
);
1401 * NtUserGetKeyNameText
1403 * Gets key name from keyboard layout
1407 NtUserGetKeyNameText(LONG lParam
, LPWSTR lpString
, int cchSize
)
1410 DWORD i
, cchKeyName
, dwRet
= 0;
1411 WORD wScanCode
= (lParam
>> 16) & 0xFF;
1412 BOOL bExtKey
= (HIWORD(lParam
) & KF_EXTENDED
) ? TRUE
: FALSE
;
1414 VSC_LPWSTR
*pKeyNames
= NULL
;
1415 CONST WCHAR
*pKeyName
= NULL
;
1416 WCHAR KeyNameBuf
[2];
1418 TRACE("Enter NtUserGetKeyNameText\n");
1422 /* Get current keyboard layout */
1423 pti
= PsGetCurrentThreadWin32Thread();
1424 pKbdTbl
= pti
? pti
->KeyboardLayout
->spkf
->pKbdTbl
: 0;
1426 if (!pKbdTbl
|| cchSize
< 1)
1428 ERR("Invalid parameter\n");
1432 /* "Do not care" flag */
1433 if(lParam
& LP_DO_NOT_CARE_BIT
)
1435 /* Note: We could do vsc -> vk -> vsc conversion, instead of using
1436 hardcoded scan codes, but it's not what Windows does */
1437 if (wScanCode
== SCANCODE_RSHIFT
&& !bExtKey
)
1438 wScanCode
= SCANCODE_LSHIFT
;
1439 else if (wScanCode
== SCANCODE_CTRL
|| wScanCode
== SCANCODE_ALT
)
1444 pKeyNames
= pKbdTbl
->pKeyNamesExt
;
1446 pKeyNames
= pKbdTbl
->pKeyNames
;
1448 for (i
= 0; pKeyNames
[i
].pwsz
; i
++)
1450 if (pKeyNames
[i
].vsc
== wScanCode
)
1452 pKeyName
= pKeyNames
[i
].pwsz
;
1459 WORD wVk
= IntVscToVk(wScanCode
, pKbdTbl
);
1463 KeyNameBuf
[0] = IntVkToChar(wVk
, pKbdTbl
);
1466 pKeyName
= KeyNameBuf
;
1472 cchKeyName
= wcslen(pKeyName
);
1473 if (cchKeyName
> (cchSize
- 1UL))
1474 cchKeyName
= cchSize
- 1UL; // Don't count '\0'
1478 ProbeForWrite(lpString
, (cchKeyName
+ 1) * sizeof(WCHAR
), 1);
1479 RtlCopyMemory(lpString
, pKeyName
, cchKeyName
* sizeof(WCHAR
));
1480 lpString
[cchKeyName
] = UNICODE_NULL
;
1483 _SEH2_EXCEPT(EXCEPTION_EXECUTE_HANDLER
)
1485 SetLastNtError(_SEH2_GetExceptionCode());
1491 EngSetLastError(ERROR_INVALID_PARAMETER
);
1496 TRACE("Leave NtUserGetKeyNameText, ret=%lu\n", dwRet
);
1501 * UserGetKeyboardType
1503 * Returns some keyboard specific information
1506 UserGetKeyboardType(
1511 case 0: /* Keyboard type */
1512 return (DWORD
)gKeyboardInfo
.KeyboardIdentifier
.Type
;
1513 case 1: /* Keyboard Subtype */
1514 return (DWORD
)gKeyboardInfo
.KeyboardIdentifier
.Subtype
;
1515 case 2: /* Number of F-keys */
1516 return (DWORD
)gKeyboardInfo
.NumberOfFunctionKeys
;
1518 ERR("Unknown type!\n");
1519 return 0; /* Note: we don't have to set last error here */
1526 * Based on IntTranslateChar, instead of processing VirtualKey match,
1527 * look for wChar match.
1537 PVK_TO_WCHAR_TABLE pVkToWchTbl
;
1538 PVK_TO_WCHARS10 pVkToWch
;
1540 DWORD i
, dwModBits
= 0, dwModNumber
= 0, Ret
= (DWORD
)-1;
1542 TRACE("NtUserVkKeyScanEx() wch %u, KbdLayout 0x%p\n", wch
, dwhkl
);
1547 // Use given keyboard layout
1549 pKl
= UserHklToKbl(dwhkl
);
1553 // Use thread keyboard layout
1554 pKl
= ((PTHREADINFO
)PsGetCurrentThreadWin32Thread())->KeyboardLayout
;
1560 pKbdTbl
= pKl
->spkf
->pKbdTbl
;
1562 // Interate through all VkToWchar tables while pVkToWchars is not NULL
1563 for (i
= 0; pKbdTbl
->pVkToWcharTable
[i
].pVkToWchars
; i
++)
1565 pVkToWchTbl
= &pKbdTbl
->pVkToWcharTable
[i
];
1566 pVkToWch
= (PVK_TO_WCHARS10
)(pVkToWchTbl
->pVkToWchars
);
1568 // Interate through all virtual keys
1569 while (pVkToWch
->VirtualKey
)
1571 for (dwModNumber
= 0; dwModNumber
< pVkToWchTbl
->nModifications
; dwModNumber
++)
1573 if (pVkToWch
->wch
[dwModNumber
] == wch
)
1575 dwModBits
= pKbdTbl
->pCharModifiers
->ModNumber
[dwModNumber
];
1576 TRACE("i %lu wC %04x: dwModBits %08x dwModNumber %08x MaxModBits %08x\n",
1577 i
, wch
, dwModBits
, dwModNumber
, pKbdTbl
->pCharModifiers
->wMaxModBits
);
1578 Ret
= (dwModBits
<< 8) | (pVkToWch
->VirtualKey
& 0xFF);
1582 pVkToWch
= (PVK_TO_WCHARS10
)(((BYTE
*)pVkToWch
) + pVkToWchTbl
->cbSize
);