ReactOS  0.4.14-dev-606-g14ebc0b
keyboard.c
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1 /*
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)
8  */
9 
10 #include <win32k.h>
11 DBG_DEFAULT_CHANNEL(UserKbd);
12 
13 BYTE gafAsyncKeyState[256 * 2 / 8]; // 2 bits per key
14 static BYTE gafAsyncKeyStateRecentDown[256 / 8]; // 1 bit per key
20 
21 /* FUNCTIONS *****************************************************************/
22 
23 /*
24  * InitKeyboardImpl
25  *
26  * Initialization -- Right now, just zero the key state
27  */
28 INIT_FUNCTION
30 NTAPI
32 {
35  // Clear and set default information.
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;
40 }
41 
42 /*
43  * IntKeyboardGetIndicatorTrans
44  *
45  * Asks the keyboard driver to send a small table that shows which
46  * lights should connect with which scancodes
47  */
48 //static
51  PKEYBOARD_INDICATOR_TRANSLATION *ppIndicatorTrans)
52 {
54  DWORD dwSize = 0;
55  IO_STATUS_BLOCK Block;
57 
59 
61  dwSize,
63 
64  while (pRet)
65  {
66  Status = ZwDeviceIoControlFile(hKeyboardDevice,
67  NULL,
68  NULL,
69  NULL,
70  &Block,
72  NULL, 0,
73  pRet, dwSize);
74 
76  break;
77 
79 
81 
83  dwSize,
85  }
86 
87  if (!pRet)
89 
90  if (!NT_SUCCESS(Status))
91  {
93  return Status;
94  }
95 
96  *ppIndicatorTrans = pRet;
97  return Status;
98 }
99 
100 /*
101  * IntKeyboardUpdateLeds
102  *
103  * Sends the keyboard commands to turn on/off the lights
104  */
105 static
108  WORD wVk,
109  WORD wScanCode)
110 {
112  UINT i;
113  USHORT LedFlag = 0;
114  IO_STATUS_BLOCK Block;
115 
117  return STATUS_NOT_SUPPORTED;
118 
119  switch (wVk)
120  {
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;
124  default:
126  {
128  {
130  break;
131  }
132  }
133  }
134 
135  if (LedFlag)
136  {
137  gIndicators.LedFlags ^= LedFlag;
138 
139  /* Update the lights on the hardware */
140  Status = ZwDeviceIoControlFile(hKeyboardDevice,
141  NULL,
142  NULL,
143  NULL,
144  &Block,
146  &gIndicators, sizeof(gIndicators),
147  NULL, 0);
148 
149  return Status;
150  }
151 
152  return STATUS_SUCCESS;
153 }
154 
155 /*
156  * UserInitKeyboard
157  *
158  * Initializes keyboard indicators translation and their state
159  */
160 VOID NTAPI
161 UserInitKeyboard(HANDLE hKeyboardDevice)
162 {
164  IO_STATUS_BLOCK Block;
165 
167 
168  Status = ZwDeviceIoControlFile(hKeyboardDevice,
169  NULL,
170  NULL,
171  NULL,
172  &Block,
174  NULL, 0,
175  &gIndicators,
176  sizeof(gIndicators));
177 
178  if (!NT_SUCCESS(Status))
179  {
180  WARN("NtDeviceIoControlFile() failed, ignored\n");
181  gIndicators.LedFlags = 0;
182  gIndicators.UnitId = 0;
183  }
184 
191 
192  // FIXME: Need device driver to work! HID support more than one!!!!
193  Status = ZwDeviceIoControlFile(hKeyboardDevice,
194  NULL,
195  NULL,
196  NULL,
197  &Block,
199  NULL, 0,
200  &gKeyboardInfo, sizeof(gKeyboardInfo));
201 
202  if (!NT_SUCCESS(Status))
203  {
204  ERR("NtDeviceIoControlFile() failed, ignored\n");
205  }
206  TRACE("Keyboard type %u, subtype %u and number of func keys %u\n",
210 }
211 
212 /*
213  * IntSimplifyVk
214  *
215  * Changes virtual keys which distinguish between left and right hand, to keys which don't distinguish
216  */
217 static
218 WORD
220 {
221  switch (wVk)
222  {
223  case VK_LSHIFT:
224  case VK_RSHIFT:
225  return VK_SHIFT;
226 
227  case VK_LCONTROL:
228  case VK_RCONTROL:
229  return VK_CONTROL;
230 
231  case VK_LMENU:
232  case VK_RMENU:
233  return VK_MENU;
234 
235  default:
236  return wVk;
237  }
238 }
239 
240 /*
241  * IntFixVk
242  *
243  * Changes virtual keys which don't not distinguish between left and right hand to proper keys
244  */
245 static
246 WORD
247 IntFixVk(WORD wVk, BOOL bExt)
248 {
249  switch (wVk)
250  {
251  case VK_SHIFT:
252  return bExt ? VK_RSHIFT : VK_LSHIFT;
253 
254  case VK_CONTROL:
255  return bExt ? VK_RCONTROL : VK_LCONTROL;
256 
257  case VK_MENU:
258  return bExt ? VK_RMENU : VK_LMENU;
259 
260  default:
261  return wVk;
262  }
263 }
264 
265 /*
266  * IntTranslateNumpadKey
267  *
268  * Translates numpad keys when numlock is enabled
269  */
270 static
271 WORD
273 {
274  switch (wVk)
275  {
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;
287  default: return wVk;
288  }
289 }
290 
291 /*
292  * IntGetModBits
293  *
294  * Gets layout specific modification bits, for example KBDSHIFT, KBDCTRL, KBDALT
295  */
296 static
297 DWORD
298 IntGetModBits(PKBDTABLES pKbdTbl, PBYTE pKeyState)
299 {
300  DWORD i, dwModBits = 0;
301 
302  /* DumpKeyState( KeyState ); */
303 
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;
307 
308  TRACE("Current Mod Bits: %lx\n", dwModBits);
309 
310  return dwModBits;
311 }
312 
313 /*
314  * IntTranslateChar
315  *
316  * Translates virtual key to character
317  */
318 static
319 BOOL
321  PBYTE pKeyState,
322  PBOOL pbDead,
323  PBOOL pbLigature,
324  PWCHAR pwcTranslatedChar,
325  PKBDTABLES pKbdTbl)
326 {
327  PVK_TO_WCHAR_TABLE pVkToVchTbl;
328  PVK_TO_WCHARS10 pVkToVch;
329  DWORD i, dwModBits, dwVkModBits, dwModNumber = 0;
330  WCHAR wch;
331  BOOL bAltGr;
332  WORD wCaplokAttr;
333 
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;
337 
338  TRACE("TryToTranslate: %04x %x\n", wVirtKey, dwModBits);
339 
340  /* If ALT without CTRL has ben used, remove ALT flag */
341  if ((dwModBits & (KBDALT|KBDCTRL)) == KBDALT)
342  dwModBits &= ~KBDALT;
343 
344  if (dwModBits > pKbdTbl->pCharModifiers->wMaxModBits)
345  {
346  TRACE("dwModBits %x > wMaxModBits %x\n", dwModBits, pKbdTbl->pCharModifiers->wMaxModBits);
347  return FALSE;
348  }
349 
350  for (i = 0; pKbdTbl->pVkToWcharTable[i].pVkToWchars; i++)
351  {
352  pVkToVchTbl = &pKbdTbl->pVkToWcharTable[i];
353  pVkToVch = (PVK_TO_WCHARS10)(pVkToVchTbl->pVkToWchars);
354  while (pVkToVch->VirtualKey)
355  {
356  if (wVirtKey == (pVkToVch->VirtualKey & 0xFF))
357  {
358  dwVkModBits = dwModBits;
359 
360  /* If CapsLock is enabled for this key and locked, add SHIFT bit */
361  if ((pVkToVch->Attributes & wCaplokAttr) &&
362  pKeyState &&
363  IS_KEY_LOCKED(pKeyState, VK_CAPITAL))
364  {
365  /* Note: we use special value here instead of getting VK_SHIFT mod bit - it's verified */
366  dwVkModBits ^= KBDSHIFT;
367  }
368 
369  if (dwVkModBits > pKbdTbl->pCharModifiers->wMaxModBits)
370  break;
371 
372  /* Get modification number */
373  dwModNumber = pKbdTbl->pCharModifiers->ModNumber[dwVkModBits];
374  if (dwModNumber >= pVkToVchTbl->nModifications)
375  {
376  TRACE("dwModNumber %u >= nModifications %u\n", dwModNumber, pVkToVchTbl->nModifications);
377  break;
378  }
379 
380  /* Read character */
381  wch = pVkToVch->wch[dwModNumber];
382  if (wch == WCH_NONE)
383  break;
384 
385  *pbDead = (wch == WCH_DEAD);
386  *pbLigature = (wch == WCH_LGTR);
387  *pwcTranslatedChar = wch;
388 
389  TRACE("%lu %04x: dwModNumber %08x Char %04x\n",
390  i, wVirtKey, dwModNumber, wch);
391 
392  if (*pbDead)
393  {
394  /* After WCH_DEAD, real character is located */
395  pVkToVch = (PVK_TO_WCHARS10)(((BYTE *)pVkToVch) + pVkToVchTbl->cbSize);
396  if (pVkToVch->VirtualKey != 0xFF)
397  {
398  WARN("Found dead key with no trailer in the table.\n");
399  WARN("VK: %04x, ADDR: %p\n", wVirtKey, pVkToVch);
400  break;
401  }
402  *pwcTranslatedChar = pVkToVch->wch[dwModNumber];
403  }
404  return TRUE;
405  }
406  pVkToVch = (PVK_TO_WCHARS10)(((BYTE *)pVkToVch) + pVkToVchTbl->cbSize);
407  }
408  }
409 
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))
415  {
416  *pwcTranslatedChar = (wVirtKey - 'A') + 1; /* ASCII control character */
417  *pbDead = FALSE;
418  *pbLigature = FALSE;
419  return TRUE;
420  }
421 
422  return FALSE;
423 }
424 
425 /*
426  * IntToUnicodeEx
427  *
428  * Translates virtual key to characters
429  */
430 static
431 int APIENTRY
433  UINT wScanCode,
434  PBYTE pKeyState,
435  LPWSTR pwszBuff,
436  int cchBuff,
437  UINT wFlags,
438  PKBDTABLES pKbdTbl)
439 {
440  WCHAR wchTranslatedChar;
441  BOOL bDead, bLigature;
442  static WCHAR wchDead = 0;
443  int iRet = 0;
444 
445  ASSERT(pKbdTbl);
446 
447  if (!IntTranslateChar(wVirtKey,
448  pKeyState,
449  &bDead,
450  &bLigature,
451  &wchTranslatedChar,
452  pKbdTbl))
453  {
454  return 0;
455  }
456 
457  if (bLigature)
458  {
459  WARN("Not handling ligature (yet)\n" );
460  return 0;
461  }
462 
463  /* If we got dead char in previous call check dead keys in keyboard layout */
464  if (wchDead)
465  {
466  UINT i;
467  WCHAR wchFirst, wchSecond;
468  TRACE("Previous dead char: %lc (%x)\n", wchDead, wchDead);
469 
470  if (pKbdTbl->pDeadKey)
471  {
472  for (i = 0; pKbdTbl->pDeadKey[i].dwBoth; i++)
473  {
474  wchFirst = pKbdTbl->pDeadKey[i].dwBoth >> 16;
475  wchSecond = pKbdTbl->pDeadKey[i].dwBoth & 0xFFFF;
476  if (wchFirst == wchDead && wchSecond == wchTranslatedChar)
477  {
478  wchTranslatedChar = pKbdTbl->pDeadKey[i].wchComposed;
479  wchDead = 0;
480  bDead = FALSE;
481  break;
482  }
483  }
484  }
485  else
486  {
487 #if defined(__GNUC__)
488  if (wchDead == 0x8000)
489  {
490  ERR("GCC is inventing bits, ignoring fake dead key\n");
491  wchDead = 0;
492  }
493 #endif
494  }
495 
496  TRACE("Final char: %lc (%x)\n", wchTranslatedChar, wchTranslatedChar);
497  }
498 
499  /* Dead char has not been not found */
500  if (wchDead)
501  {
502  /* Treat both characters normally */
503  if (cchBuff > iRet)
504  pwszBuff[iRet++] = wchDead;
505  bDead = FALSE;
506  }
507 
508  /* Add character to the buffer */
509  if (cchBuff > iRet)
510  pwszBuff[iRet++] = wchTranslatedChar;
511 
512  /* Save dead character */
513  wchDead = bDead ? wchTranslatedChar : 0;
514 
515  return bDead ? -iRet : iRet;
516 }
517 
518 /*
519  * IntVkToVsc
520  *
521  * Translates virtual key to scan code
522  */
523 static
526 {
527  unsigned i;
528 
529  ASSERT(pKbdTbl);
530 
531  /* Check standard keys first */
532  for (i = 0; i < pKbdTbl->bMaxVSCtoVK; i++)
533  {
534  if ((pKbdTbl->pusVSCtoVK[i] & 0xFF) == wVk)
535  return i;
536  }
537 
538  /* Check extended keys now */
539  for (i = 0; pKbdTbl->pVSCtoVK_E0[i].Vsc; i++)
540  {
541  if ((pKbdTbl->pVSCtoVK_E0[i].Vk & 0xFF) == wVk)
542  return 0xE000 | pKbdTbl->pVSCtoVK_E0[i].Vsc;
543  }
544 
545  for (i = 0; pKbdTbl->pVSCtoVK_E1[i].Vsc; i++)
546  {
547  if ((pKbdTbl->pVSCtoVK_E1[i].Vk & 0xFF) == wVk)
548  return 0xE100 | pKbdTbl->pVSCtoVK_E1[i].Vsc;
549  }
550 
551  /* Virtual key has not been found */
552  return 0;
553 }
554 
555 /*
556  * IntVscToVk
557  *
558  * Translates prefixed scancode to virtual key
559  */
560 static
562 IntVscToVk(WORD wScanCode, PKBDTABLES pKbdTbl)
563 {
564  unsigned i;
565  WORD wVk = 0;
566 
567  ASSERT(pKbdTbl);
568 
569  if ((wScanCode & 0xFF00) == 0xE000)
570  {
571  for (i = 0; pKbdTbl->pVSCtoVK_E0[i].Vsc; i++)
572  {
573  if (pKbdTbl->pVSCtoVK_E0[i].Vsc == (wScanCode & 0xFF))
574  {
575  wVk = pKbdTbl->pVSCtoVK_E0[i].Vk;
576  }
577  }
578  }
579  else if ((wScanCode & 0xFF00) == 0xE100)
580  {
581  for (i = 0; pKbdTbl->pVSCtoVK_E1[i].Vsc; i++)
582  {
583  if (pKbdTbl->pVSCtoVK_E1[i].Vsc == (wScanCode & 0xFF))
584  {
585  wVk = pKbdTbl->pVSCtoVK_E1[i].Vk;
586  }
587  }
588  }
589  else if (wScanCode < pKbdTbl->bMaxVSCtoVK)
590  {
591  wVk = pKbdTbl->pusVSCtoVK[wScanCode];
592  }
593 
594  /* 0xFF nad 0x00 are invalid VKs */
595  return wVk != 0xFF ? wVk : 0;
596 }
597 
598 /*
599  * IntVkToChar
600  *
601  * Translates virtual key to character, ignoring shift state
602  */
603 static
606 {
607  WCHAR wch;
608  BOOL bDead, bLigature;
609 
610  ASSERT(pKbdTbl);
611 
612  if (IntTranslateChar(wVk,
613  NULL,
614  &bDead,
615  &bLigature,
616  &wch,
617  pKbdTbl))
618  {
619  return wch;
620  }
621 
622  return 0;
623 }
624 
625 /*
626  * NtUserGetAsyncKeyState
627  *
628  * Gets key state from global bitmap
629  */
630 SHORT
631 APIENTRY
633 {
634  WORD wRet = 0;
635 
636  TRACE("Enter NtUserGetAsyncKeyState\n");
637 
638  if (Key >= 0x100)
639  {
641  ERR("Invalid parameter Key\n");
642  return 0;
643  }
644 
646 
648  wRet |= 0x8000; // If down, windows returns 0x8000.
649  if (gafAsyncKeyStateRecentDown[Key / 8] & (1 << (Key % 8)))
650  wRet |= 0x1;
651  gafAsyncKeyStateRecentDown[Key / 8] &= ~(1 << (Key % 8));
652 
653  UserLeave();
654 
655  TRACE("Leave NtUserGetAsyncKeyState, ret=%u\n", wRet);
656  return wRet;
657 }
658 
659 /*
660  * UpdateAsyncKeyState
661  *
662  * Updates gafAsyncKeyState array
663  */
664 static
665 VOID NTAPI
667 {
668  if (bIsDown)
669  {
670  /* If it's first key down event, xor lock bit */
671  if (!IS_KEY_DOWN(gafAsyncKeyState, wVk))
673 
675  gafAsyncKeyStateRecentDown[wVk / 8] |= (1 << (wVk % 8));
676  }
677  else
679 }
680 
681 /*
682  * co_CallLowLevelKeyboardHook
683  *
684  * Calls WH_KEYBOARD_LL hook
685  */
686 static LRESULT
687 co_CallLowLevelKeyboardHook(WORD wVk, WORD wScanCode, DWORD dwFlags, BOOL bInjected, DWORD dwTime, DWORD dwExtraInfo)
688 {
689  KBDLLHOOKSTRUCT KbdHookData;
690  UINT uMsg;
691 
692  KbdHookData.vkCode = wVk;
693  KbdHookData.scanCode = wScanCode;
694  KbdHookData.flags = 0;
696  KbdHookData.flags |= LLKHF_EXTENDED;
698  KbdHookData.flags |= LLKHF_ALTDOWN;
699  if (dwFlags & KEYEVENTF_KEYUP)
700  KbdHookData.flags |= LLKHF_UP;
701  if (bInjected)
702  KbdHookData.flags |= LLKHF_INJECTED;
703  KbdHookData.time = dwTime;
704  KbdHookData.dwExtraInfo = dwExtraInfo;
705 
706  /* Note: it doesnt support WM_SYSKEYUP */
707  if (dwFlags & KEYEVENTF_KEYUP)
708  uMsg = WM_KEYUP;
710  uMsg = WM_SYSKEYDOWN;
711  else
712  uMsg = WM_KEYDOWN;
713 
714  return co_HOOK_CallHooks(WH_KEYBOARD_LL, HC_ACTION, uMsg, (LPARAM)&KbdHookData);
715 }
716 
717 /*
718  * SnapWindow
719  *
720  * Saves snapshot of specified window or whole screen in the clipboard
721  */
722 static VOID
724 {
725  HBITMAP hbm = NULL, hbmOld;
726  HDC hdc = NULL, hdcMem;
727  SETCLIPBDATA scd;
728  INT cx, cy;
729  PWND pWnd = NULL;
730 
731  TRACE("SnapWindow(%p)\n", hWnd);
732 
733  /* If no windows is given, make snapshot of desktop window */
734  if (!hWnd)
736 
737  pWnd = UserGetWindowObject(hWnd);
738  if (!pWnd)
739  {
740  ERR("Invalid window\n");
741  goto cleanup;
742  }
743 
745  if (!hdc)
746  {
747  ERR("UserGetDCEx failed!\n");
748  goto cleanup;
749  }
750 
751  cx = pWnd->rcWindow.right - pWnd->rcWindow.left;
752  cy = pWnd->rcWindow.bottom - pWnd->rcWindow.top;
753 
755  if (!hbm)
756  {
757  ERR("NtGdiCreateCompatibleBitmap failed!\n");
758  goto cleanup;
759  }
760 
762  if (!hdcMem)
763  {
764  ERR("NtGdiCreateCompatibleDC failed!\n");
765  goto cleanup;
766  }
767 
768  hbmOld = NtGdiSelectBitmap(hdcMem, hbm);
769  NtGdiBitBlt(hdcMem, 0, 0, cx, cy, hdc, 0, 0, SRCCOPY, 0, 0);
770  NtGdiSelectBitmap(hdcMem, hbmOld);
772 
773  /* Save snapshot in clipboard */
774  if (UserOpenClipboard(NULL))
775  {
777  scd.fIncSerialNumber = TRUE;
778  scd.fGlobalHandle = FALSE;
779  if (UserSetClipboardData(CF_BITMAP, hbm, &scd))
780  {
781  /* Bitmap is managed by system now */
782  hbm = NULL;
783  }
785  }
786 
787 cleanup:
788  if (hbm)
790  if (hdc)
791  UserReleaseDC(pWnd, hdc, FALSE);
792 }
793 
794 /*
795  * UserSendKeyboardInput
796  *
797  * Process keyboard input from input devices and SendInput API
798  */
799 BOOL NTAPI
800 ProcessKeyEvent(WORD wVk, WORD wScanCode, DWORD dwFlags, BOOL bInjected, DWORD dwTime, DWORD dwExtraInfo)
801 {
802  WORD wSimpleVk = 0, wFixedVk, wVk2;
803  PUSER_MESSAGE_QUEUE pFocusQueue;
804  PTHREADINFO pti;
806  BOOL bIsDown = (dwFlags & KEYEVENTF_KEYUP) ? FALSE : TRUE;
807  BOOL bPacket = (dwFlags & KEYEVENTF_UNICODE) ? TRUE : FALSE;
808  BOOL bWasSimpleDown = FALSE, bPostMsg = TRUE, bIsSimpleDown;
809  MSG Msg;
810  static BOOL bMenuDownRecently = FALSE;
811 
812  /* Get virtual key without shifts (VK_(L|R)* -> VK_*) */
813  wSimpleVk = IntSimplifyVk(wVk);
814  bWasSimpleDown = IS_KEY_DOWN(gafAsyncKeyState, wSimpleVk);
815 
816  /* Update key without shifts */
817  wVk2 = IntFixVk(wSimpleVk, !bExt);
818  bIsSimpleDown = bIsDown || IS_KEY_DOWN(gafAsyncKeyState, wVk2);
819  UpdateAsyncKeyState(wSimpleVk, bIsSimpleDown);
820 
821  if (bIsDown)
822  {
823  /* Update keyboard LEDs */
825  wSimpleVk,
826  wScanCode);
827  }
828 
829  /* Call WH_KEYBOARD_LL hook */
830  if (co_CallLowLevelKeyboardHook(wVk, wScanCode, dwFlags, bInjected, dwTime, dwExtraInfo))
831  {
832  ERR("Kbd msg dropped by WH_KEYBOARD_LL hook\n");
833  bPostMsg = FALSE;
834  }
835 
836  /* Check if this is a hotkey */
837  if (co_UserProcessHotKeys(wSimpleVk, bIsDown))
838  {
839  TRACE("HotKey Processed\n");
840  bPostMsg = FALSE;
841  }
842 
843  wFixedVk = IntFixVk(wSimpleVk, bExt); /* LSHIFT + EXT = RSHIFT */
844  if (wSimpleVk == VK_SHIFT) /* shift can't be extended */
845  bExt = FALSE;
846 
847  /* If we have a focus queue, post a keyboard message */
848  pFocusQueue = IntGetFocusMessageQueue();
849  TRACE("ProcessKeyEvent Q 0x%p Active pWnd 0x%p Focus pWnd 0x%p\n",
850  pFocusQueue,
851  (pFocusQueue ? pFocusQueue->spwndActive : 0),
852  (pFocusQueue ? pFocusQueue->spwndFocus : 0));
853 
854  /* If it is F10 or ALT is down and CTRL is up, it's a system key */
855  if ( wVk == VK_F10 ||
856  (wSimpleVk == VK_MENU && bMenuDownRecently) ||
859  // See MSDN WM_SYSKEYDOWN/UP fixes last wine Win test_keyboard_input.
860  (pFocusQueue && !pFocusQueue->spwndFocus) )
861  {
862  bMenuDownRecently = FALSE; // reset
863  if (bIsDown)
864  {
865  Msg.message = WM_SYSKEYDOWN;
866  if (wSimpleVk == VK_MENU)
867  {
868  // Note: If only LALT is pressed WM_SYSKEYUP is generated instead of WM_KEYUP
869  bMenuDownRecently = TRUE;
870  }
871  }
872  else
873  Msg.message = WM_SYSKEYUP;
874  }
875  else
876  {
877  if (bIsDown)
878  Msg.message = WM_KEYDOWN;
879  else
880  Msg.message = WM_KEYUP;
881  }
882 
883  /* Update async state of not simplified vk here.
884  See user32_apitest:GetKeyState */
885  UpdateAsyncKeyState(wFixedVk, bIsDown);
886 
887  /* Alt-Tab/Esc Check. Use FocusQueue or RIT Queue */
888  if (bIsSimpleDown && !bWasSimpleDown &&
891  (wVk == VK_ESCAPE || wVk == VK_TAB))
892  {
893  TRACE("Alt-Tab/Esc Pressed wParam %x\n",wVk);
894  }
895 
896  if (bIsDown && wVk == VK_SNAPSHOT)
897  {
898  if (pFocusQueue &&
901  {
902  // Snap from Active Window, Focus can be null.
903  SnapWindow(pFocusQueue->spwndActive ? UserHMGetHandle(pFocusQueue->spwndActive) : 0);
904  }
905  else
906  SnapWindow(NULL); // Snap Desktop.
907  }
908  else if (pFocusQueue && bPostMsg)
909  {
910  PWND Wnd = pFocusQueue->spwndFocus; // SysInit.....
911 
912  pti = pFocusQueue->ptiKeyboard;
913 
914  if (!Wnd && pFocusQueue->spwndActive) // SysInit.....
915  {
916  // Going with Active. WM_SYSKEYXXX last wine Win test_keyboard_input.
917  Wnd = pFocusQueue->spwndActive;
918  }
919  if (Wnd) pti = Wnd->head.pti;
920 
921  /* Init message */
922  Msg.hwnd = Wnd ? UserHMGetHandle(Wnd) : NULL;
923  Msg.wParam = wFixedVk & 0xFF; /* Note: It's simplified by msg queue */
924  Msg.lParam = MAKELPARAM(1, wScanCode);
925  Msg.time = dwTime;
926  Msg.pt = gpsi->ptCursor;
927 
928  if ( Msg.message == WM_KEYDOWN || Msg.message == WM_SYSKEYDOWN )
929  {
930  if ( (Msg.wParam == VK_SHIFT ||
931  Msg.wParam == VK_CONTROL ||
932  Msg.wParam == VK_MENU ) &&
933  !IS_KEY_DOWN(gafAsyncKeyState, Msg.wParam))
934  {
935  ERR("Set last input\n");
936  //ptiLastInput = pti;
937  }
938  }
939 
940  /* If it is VK_PACKET, high word of wParam is used for wchar */
941  if (!bPacket)
942  {
943  if (bExt)
944  Msg.lParam |= KF_EXTENDED << 16;
946  Msg.lParam |= KF_ALTDOWN << 16;
947  if (bWasSimpleDown)
948  Msg.lParam |= KF_REPEAT << 16;
949  if (!bIsDown)
950  Msg.lParam |= KF_UP << 16;
951  /* FIXME: Set KF_DLGMODE and KF_MENUMODE when needed */
952  if (pFocusQueue->QF_flags & QF_DIALOGACTIVE)
953  Msg.lParam |= KF_DLGMODE << 16;
954  if (pFocusQueue->MenuOwner) // pti->pMenuState->fMenuStarted
955  Msg.lParam |= KF_MENUMODE << 16;
956  }
957 
958  // Post mouse move before posting key buttons, to keep it syned.
959  if (pFocusQueue->QF_flags & QF_MOUSEMOVED)
960  {
962  }
963 
964  /* Post a keyboard message */
965  TRACE("Posting keyboard msg %u wParam 0x%x lParam 0x%x\n", Msg.message, Msg.wParam, Msg.lParam);
966  if (!Wnd) {ERR("Window is NULL\n");}
967  MsqPostMessage(pti, &Msg, TRUE, QS_KEY, 0, dwExtraInfo);
968  }
969  return TRUE;
970 }
971 
972 BOOL NTAPI
973 UserSendKeyboardInput(KEYBDINPUT *pKbdInput, BOOL bInjected)
974 {
975  WORD wScanCode, wVk;
976  PKL pKl = NULL;
977  PKBDTABLES pKbdTbl;
978  PUSER_MESSAGE_QUEUE pFocusQueue;
979  DWORD dwTime;
980  BOOL bExt = (pKbdInput->dwFlags & KEYEVENTF_EXTENDEDKEY) ? TRUE : FALSE;
981 
983 
984  /* Find the target thread whose locale is in effect */
985  pFocusQueue = IntGetFocusMessageQueue();
986 
987  if (pFocusQueue && pFocusQueue->ptiKeyboard)
988  {
989  pKl = pFocusQueue->ptiKeyboard->KeyboardLayout;
990  }
991 
992  if (!pKl)
993  pKl = W32kGetDefaultKeyLayout();
994  if (!pKl)
995  {
996  ERR("No keyboard layout!\n");
997  return FALSE;
998  }
999 
1000  pKbdTbl = pKl->spkf->pKbdTbl;
1001 
1002  /* Note: wScan field is always used */
1003  wScanCode = pKbdInput->wScan;
1004 
1005  if (pKbdInput->dwFlags & KEYEVENTF_UNICODE)
1006  {
1007  /* Generate WM_KEYDOWN msg with wParam == VK_PACKET and
1008  high order word of lParam == pKbdInput->wScan */
1009  wVk = VK_PACKET;
1010  }
1011  else
1012  {
1013  wScanCode &= 0x7F;
1014  if (pKbdInput->dwFlags & KEYEVENTF_SCANCODE)
1015  {
1016  /* Don't ignore invalid scan codes */
1017  wVk = IntVscToVk(wScanCode | (bExt ? 0xE000 : 0), pKbdTbl);
1018  if (!wVk) /* use 0xFF if vsc is invalid */
1019  wVk = 0xFF;
1020  }
1021  else
1022  {
1023  wVk = pKbdInput->wVk & 0xFF;
1024  }
1025  }
1026 
1027  /* If time is given, use it */
1028  if (pKbdInput->time)
1029  dwTime = pKbdInput->time;
1030  else
1031  {
1033  }
1034 
1035  if (wVk == VK_RMENU && (pKbdTbl->fLocaleFlags & KLLF_ALTGR))
1036  {
1037  /* For AltGr keyboards RALT generates CTRL events */
1038  ProcessKeyEvent(VK_LCONTROL, 0, pKbdInput->dwFlags & KEYEVENTF_KEYUP, bInjected, dwTime, 0);
1039  }
1040 
1041  /* Finally process this key */
1042  return ProcessKeyEvent(wVk, wScanCode, pKbdInput->dwFlags, bInjected, dwTime, pKbdInput->dwExtraInfo);
1043 }
1044 
1045 /*
1046  * UserProcessKeyboardInput
1047  *
1048  * Process raw keyboard input data
1049  */
1050 VOID NTAPI
1052  PKEYBOARD_INPUT_DATA pKbdInputData)
1053 {
1054  WORD wScanCode, wVk;
1055  PKL pKl = NULL;
1056  PKBDTABLES pKbdTbl;
1057  PUSER_MESSAGE_QUEUE pFocusQueue;
1058 
1059  /* Calculate scan code with prefix */
1060  wScanCode = pKbdInputData->MakeCode & 0x7F;
1061  if (pKbdInputData->Flags & KEY_E0)
1062  wScanCode |= 0xE000;
1063  if (pKbdInputData->Flags & KEY_E1)
1064  wScanCode |= 0xE100;
1065 
1066  /* Find the target thread whose locale is in effect */
1067  pFocusQueue = IntGetFocusMessageQueue();
1068 
1069  if (pFocusQueue && pFocusQueue->ptiKeyboard)
1070  {
1071  pKl = pFocusQueue->ptiKeyboard->KeyboardLayout;
1072  }
1073 
1074  if (!pKl)
1075  pKl = W32kGetDefaultKeyLayout();
1076  if (!pKl)
1077  return;
1078 
1079  pKbdTbl = pKl->spkf->pKbdTbl;
1080 
1081  /* Convert scan code to virtual key.
1082  Note: We could call UserSendKeyboardInput using scan code,
1083  but it wouldn't interpret E1 key(s) properly */
1084  wVk = IntVscToVk(wScanCode, pKbdTbl);
1085  TRACE("UserProcessKeyboardInput: %x (break: %u) -> %x\n",
1086  wScanCode, (pKbdInputData->Flags & KEY_BREAK) ? 1u : 0, wVk);
1087 
1088  if (wVk)
1089  {
1090  KEYBDINPUT KbdInput;
1091 
1092  /* Support numlock */
1094  {
1095  wVk = IntTranslateNumpadKey(wVk & 0xFF);
1096  }
1097 
1098  /* Send keyboard input */
1099  KbdInput.wVk = wVk & 0xFF;
1100  KbdInput.wScan = wScanCode & 0x7F;
1101  KbdInput.dwFlags = 0;
1102  if (pKbdInputData->Flags & KEY_BREAK)
1103  KbdInput.dwFlags |= KEYEVENTF_KEYUP;
1104 
1105  if (wVk & KBDEXT)
1106  KbdInput.dwFlags |= KEYEVENTF_EXTENDEDKEY;
1107  //
1108  // Based on wine input:test_Input_blackbox this is okay. It seems the
1109  // bit did not get set and more research is needed. Now the right
1110  // shift works.
1111  //
1112  if (wVk == VK_RSHIFT)
1113  KbdInput.dwFlags |= KEYEVENTF_EXTENDEDKEY;
1114 
1115  KbdInput.time = 0;
1116  KbdInput.dwExtraInfo = pKbdInputData->ExtraInformation;
1117  UserSendKeyboardInput(&KbdInput, FALSE);
1118 
1119  /* E1 keys don't have break code */
1120  if (pKbdInputData->Flags & KEY_E1)
1121  {
1122  /* Send key up event */
1123  KbdInput.dwFlags |= KEYEVENTF_KEYUP;
1124  UserSendKeyboardInput(&KbdInput, FALSE);
1125  }
1126  }
1127 }
1128 
1129 /*
1130  * IntTranslateKbdMessage
1131  *
1132  * Addes WM_(SYS)CHAR messages to message queue if message
1133  * describes key which produce character.
1134  */
1135 BOOL FASTCALL
1137  UINT flags)
1138 {
1139  PTHREADINFO pti;
1140  INT cch = 0, i;
1141  WCHAR wch[3] = { 0 };
1142  MSG NewMsg = { 0 };
1143  PKBDTABLES pKbdTbl;
1144  BOOL bResult = FALSE;
1145 
1146  switch(lpMsg->message)
1147  {
1148  case WM_KEYDOWN:
1149  case WM_KEYUP:
1150  case WM_SYSKEYDOWN:
1151  case WM_SYSKEYUP:
1152  break;
1153  default:
1154  return FALSE;
1155  }
1156 
1158 
1159  if (!pti->KeyboardLayout)
1160  {
1162  pti->pClientInfo->hKL = pti->KeyboardLayout ? pti->KeyboardLayout->hkl : NULL;
1163  pKbdTbl = pti->KeyboardLayout ? pti->KeyboardLayout->spkf->pKbdTbl : NULL;
1164  }
1165  else
1166  pKbdTbl = pti->KeyboardLayout->spkf->pKbdTbl;
1167  if (!pKbdTbl)
1168  return FALSE;
1169 
1170  if (lpMsg->message != WM_KEYDOWN && lpMsg->message != WM_SYSKEYDOWN)
1171  return FALSE;
1172 
1173  /* Init pt, hwnd and time msg fields */
1174  NewMsg.pt = gpsi->ptCursor;
1175  NewMsg.hwnd = lpMsg->hwnd;
1176  NewMsg.time = EngGetTickCount32();
1177 
1178  TRACE("Enter IntTranslateKbdMessage msg %s, vk %x\n",
1179  lpMsg->message == WM_SYSKEYDOWN ? "WM_SYSKEYDOWN" : "WM_KEYDOWN", lpMsg->wParam);
1180 
1181  if (lpMsg->wParam == VK_PACKET)
1182  {
1183  NewMsg.message = (lpMsg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
1184  NewMsg.wParam = HIWORD(lpMsg->lParam);
1185  NewMsg.lParam = LOWORD(lpMsg->lParam);
1186  MsqPostMessage(pti, &NewMsg, FALSE, QS_KEY, 0, 0);
1187  return TRUE;
1188  }
1189 
1190  cch = IntToUnicodeEx(lpMsg->wParam,
1191  HIWORD(lpMsg->lParam) & 0xFF,
1192  pti->MessageQueue->afKeyState,
1193  wch,
1194  sizeof(wch) / sizeof(wch[0]),
1195  0,
1196  pKbdTbl);
1197 
1198  if (cch)
1199  {
1200  if (cch > 0) /* Normal characters */
1201  NewMsg.message = (lpMsg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
1202  else /* Dead character */
1203  {
1204  cch = -cch;
1205  NewMsg.message =
1206  (lpMsg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
1207  }
1208  NewMsg.lParam = lpMsg->lParam;
1209 
1210  /* Send all characters */
1211  for (i = 0; i < cch; ++i)
1212  {
1213  TRACE("Msg: %x '%lc' (%04x) %08x\n", NewMsg.message, wch[i], wch[i], NewMsg.lParam);
1214  NewMsg.wParam = wch[i];
1215  MsqPostMessage(pti, &NewMsg, FALSE, QS_KEY, 0, 0);
1216  }
1217  bResult = TRUE;
1218  }
1219 
1220  TRACE("Leave IntTranslateKbdMessage ret %d, cch %d, msg %x, wch %x\n",
1221  bResult, cch, NewMsg.message, NewMsg.wParam);
1222  return bResult;
1223 }
1224 
1225 /*
1226  * Map a virtual key code, or virtual scan code, to a scan code, key code,
1227  * or unshifted unicode character.
1228  *
1229  * Code: See Below
1230  * Type:
1231  * 0 -- Code is a virtual key code that is converted into a virtual scan code
1232  * that does not distinguish between left and right shift keys.
1233  * 1 -- Code is a virtual scan code that is converted into a virtual key code
1234  * that does not distinguish between left and right shift keys.
1235  * 2 -- Code is a virtual key code that is converted into an unshifted unicode
1236  * character.
1237  * 3 -- Code is a virtual scan code that is converted into a virtual key code
1238  * that distinguishes left and right shift keys.
1239  * KeyLayout: Keyboard layout handle
1240  *
1241  * @implemented
1242  */
1243 static UINT
1245 {
1246  UINT uRet = 0;
1247 
1248  switch (Type)
1249  {
1250  case MAPVK_VK_TO_VSC:
1251  uCode = IntFixVk(uCode, FALSE);
1252  uRet = IntVkToVsc(uCode, pKbdTbl);
1253  if (uRet > 0xFF) // Fail for scancodes with prefix (e0, e1)
1254  uRet = 0;
1255  break;
1256 
1257  case MAPVK_VSC_TO_VK:
1258  uRet = IntVscToVk(uCode, pKbdTbl) & 0xFF;
1259  uRet = IntSimplifyVk(uRet);
1260  break;
1261 
1262  case MAPVK_VK_TO_CHAR:
1263  uRet = (UINT)IntVkToChar(uCode, pKbdTbl);
1264  break;
1265 
1266  case MAPVK_VSC_TO_VK_EX:
1267  uRet = IntVscToVk(uCode, pKbdTbl) & 0xFF;
1268  break;
1269 
1270  case MAPVK_VK_TO_VSC_EX:
1271  uRet = IntVkToVsc(uCode, pKbdTbl);
1272  break;
1273 
1274  default:
1276  ERR("Wrong type value: %u\n", Type);
1277  }
1278 
1279  return uRet;
1280 }
1281 
1282 /*
1283  * NtUserMapVirtualKeyEx
1284  *
1285  * Map a virtual key code, or virtual scan code, to a scan code, key code,
1286  * or unshifted unicode character. See IntMapVirtualKeyEx.
1287  */
1288 UINT
1289 APIENTRY
1290 NtUserMapVirtualKeyEx(UINT uCode, UINT uType, DWORD keyboardId, HKL dwhkl)
1291 {
1292  PKBDTABLES pKbdTbl = NULL;
1293  UINT ret = 0;
1294 
1295  TRACE("Enter NtUserMapVirtualKeyEx\n");
1296  UserEnterShared();
1297 
1298  if (!dwhkl)
1299  {
1300  PTHREADINFO pti;
1301 
1303  if (pti && pti->KeyboardLayout)
1304  pKbdTbl = pti->KeyboardLayout->spkf->pKbdTbl;
1305  }
1306  else
1307  {
1308  PKL pKl;
1309 
1310  pKl = UserHklToKbl(dwhkl);
1311  if (pKl)
1312  pKbdTbl = pKl->spkf->pKbdTbl;
1313  }
1314 
1315  if (pKbdTbl)
1316  ret = IntMapVirtualKeyEx(uCode, uType, pKbdTbl);
1317 
1318  UserLeave();
1319  TRACE("Leave NtUserMapVirtualKeyEx, ret=%u\n", ret);
1320  return ret;
1321 }
1322 
1323 /*
1324  * NtUserToUnicodeEx
1325  *
1326  * Translates virtual key to characters
1327  */
1328 int
1329 APIENTRY
1331  UINT wVirtKey,
1332  UINT wScanCode,
1333  PBYTE pKeyStateUnsafe,
1334  LPWSTR pwszBuffUnsafe,
1335  INT cchBuff,
1336  UINT wFlags,
1337  HKL dwhkl)
1338 {
1339  PTHREADINFO pti;
1340  BYTE afKeyState[256 * 2 / 8] = {0};
1341  PWCHAR pwszBuff = NULL;
1342  INT i, iRet = 0;
1343  PKL pKl = NULL;
1344 
1345  TRACE("Enter NtUserSetKeyboardState\n");
1346 
1347  /* Return 0 if SC_KEY_UP bit is set */
1348  if (wScanCode & SC_KEY_UP || wVirtKey >= 0x100)
1349  {
1350  ERR("Invalid parameter\n");
1351  return 0;
1352  }
1353 
1354  _SEH2_TRY
1355  {
1356  /* Probe and copy key state to smaller bitmap */
1357  ProbeForRead(pKeyStateUnsafe, 256 * sizeof(BYTE), 1);
1358  for (i = 0; i < 256; ++i)
1359  {
1360  if (pKeyStateUnsafe[i] & KS_DOWN_BIT)
1361  SET_KEY_DOWN(afKeyState, i, TRUE);
1362  if (pKeyStateUnsafe[i] & KS_LOCK_BIT)
1363  SET_KEY_LOCKED(afKeyState, i, TRUE);
1364  }
1365  }
1367  {
1368  ERR("Cannot copy key state\n");
1370  _SEH2_YIELD(return 0);
1371  }
1372  _SEH2_END;
1373 
1374  pwszBuff = ExAllocatePoolWithTag(NonPagedPool, sizeof(WCHAR) * cchBuff, TAG_STRING);
1375  if (!pwszBuff)
1376  {
1377  ERR("ExAllocatePoolWithTag(%u) failed\n", sizeof(WCHAR) * cchBuff);
1378  return 0;
1379  }
1380  RtlZeroMemory(pwszBuff, sizeof(WCHAR) * cchBuff);
1381 
1382  UserEnterExclusive(); // Note: We modify wchDead static variable
1383 
1384  if (dwhkl)
1385  pKl = UserHklToKbl(dwhkl);
1386 
1387  if (!pKl)
1388  {
1390  pKl = pti->KeyboardLayout;
1391  }
1392 
1393  iRet = IntToUnicodeEx(wVirtKey,
1394  wScanCode,
1395  afKeyState,
1396  pwszBuff,
1397  cchBuff,
1398  wFlags,
1399  pKl ? pKl->spkf->pKbdTbl : NULL);
1400 
1401  MmCopyToCaller(pwszBuffUnsafe, pwszBuff, cchBuff * sizeof(WCHAR));
1402  ExFreePoolWithTag(pwszBuff, TAG_STRING);
1403 
1404  UserLeave();
1405  TRACE("Leave NtUserSetKeyboardState, ret=%i\n", iRet);
1406  return iRet;
1407 }
1408 
1409 /*
1410  * NtUserGetKeyNameText
1411  *
1412  * Gets key name from keyboard layout
1413  */
1414 DWORD
1415 APIENTRY
1416 NtUserGetKeyNameText(LONG lParam, LPWSTR lpString, int cchSize)
1417 {
1418  PTHREADINFO pti;
1419  DWORD i, dwRet = 0;
1420  SIZE_T cchKeyName;
1421  WORD wScanCode = (lParam >> 16) & 0xFF;
1422  BOOL bExtKey = (HIWORD(lParam) & KF_EXTENDED) ? TRUE : FALSE;
1423  PKBDTABLES pKbdTbl;
1424  VSC_LPWSTR *pKeyNames = NULL;
1425  CONST WCHAR *pKeyName = NULL;
1426  WCHAR KeyNameBuf[2];
1427 
1428  TRACE("Enter NtUserGetKeyNameText\n");
1429 
1430  UserEnterShared();
1431 
1432  /* Get current keyboard layout */
1434  pKbdTbl = pti ? pti->KeyboardLayout->spkf->pKbdTbl : 0;
1435 
1436  if (!pKbdTbl || cchSize < 1)
1437  {
1438  ERR("Invalid parameter\n");
1439  goto cleanup;
1440  }
1441 
1442  /* "Do not care" flag */
1444  {
1445  /* Note: We could do vsc -> vk -> vsc conversion, instead of using
1446  hardcoded scan codes, but it's not what Windows does */
1447  if (wScanCode == SCANCODE_RSHIFT && !bExtKey)
1448  wScanCode = SCANCODE_LSHIFT;
1449  else if (wScanCode == SCANCODE_CTRL || wScanCode == SCANCODE_ALT)
1450  bExtKey = FALSE;
1451  }
1452 
1453  if (bExtKey)
1454  pKeyNames = pKbdTbl->pKeyNamesExt;
1455  else
1456  pKeyNames = pKbdTbl->pKeyNames;
1457 
1458  for (i = 0; pKeyNames[i].pwsz; i++)
1459  {
1460  if (pKeyNames[i].vsc == wScanCode)
1461  {
1462  pKeyName = pKeyNames[i].pwsz;
1463  break;
1464  }
1465  }
1466 
1467  if (!pKeyName)
1468  {
1469  WORD wVk = IntVscToVk(wScanCode, pKbdTbl);
1470 
1471  if (wVk)
1472  {
1473  KeyNameBuf[0] = IntVkToChar(wVk, pKbdTbl);
1474  KeyNameBuf[1] = 0;
1475  if (KeyNameBuf[0])
1476  pKeyName = KeyNameBuf;
1477  }
1478  }
1479 
1480  if (pKeyName)
1481  {
1482  cchKeyName = wcslen(pKeyName);
1483  if (cchKeyName > (cchSize - 1UL))
1484  cchKeyName = cchSize - 1UL; // Don't count '\0'
1485 
1486  _SEH2_TRY
1487  {
1488  ProbeForWrite(lpString, (cchKeyName + 1) * sizeof(WCHAR), 1);
1489  RtlCopyMemory(lpString, pKeyName, cchKeyName * sizeof(WCHAR));
1490  lpString[cchKeyName] = UNICODE_NULL;
1491  dwRet = cchKeyName;
1492  }
1494  {
1496  }
1497  _SEH2_END;
1498  }
1499  else
1500  {
1502  }
1503 
1504 cleanup:
1505  UserLeave();
1506  TRACE("Leave NtUserGetKeyNameText, ret=%lu\n", dwRet);
1507  return dwRet;
1508 }
1509 
1510 /*
1511  * UserGetKeyboardType
1512  *
1513  * Returns some keyboard specific information
1514  */
1517  DWORD dwTypeFlag)
1518 {
1519  switch (dwTypeFlag)
1520  {
1521  case 0: /* Keyboard type */
1523  case 1: /* Keyboard Subtype */
1525  case 2: /* Number of F-keys */
1527  default:
1528  ERR("Unknown type!\n");
1529  return 0; /* Note: we don't have to set last error here */
1530  }
1531 }
1532 
1533 /*
1534  * NtUserVkKeyScanEx
1535  *
1536  * Based on IntTranslateChar, instead of processing VirtualKey match,
1537  * look for wChar match.
1538  */
1539 DWORD
1540 APIENTRY
1542  WCHAR wch,
1543  HKL dwhkl,
1544  BOOL bUsehKL)
1545 {
1546  PKBDTABLES pKbdTbl;
1547  PVK_TO_WCHAR_TABLE pVkToWchTbl;
1548  PVK_TO_WCHARS10 pVkToWch;
1549  PKL pKl = NULL;
1550  DWORD i, dwModBits = 0, dwModNumber = 0, Ret = (DWORD)-1;
1551 
1552  TRACE("NtUserVkKeyScanEx() wch %u, KbdLayout 0x%p\n", wch, dwhkl);
1553  UserEnterShared();
1554 
1555  if (bUsehKL)
1556  {
1557  // Use given keyboard layout
1558  if (dwhkl)
1559  pKl = UserHklToKbl(dwhkl);
1560  }
1561  else
1562  {
1563  // Use thread keyboard layout
1565  }
1566 
1567  if (!pKl)
1568  goto Exit;
1569 
1570  pKbdTbl = pKl->spkf->pKbdTbl;
1571 
1572  // Interate through all VkToWchar tables while pVkToWchars is not NULL
1573  for (i = 0; pKbdTbl->pVkToWcharTable[i].pVkToWchars; i++)
1574  {
1575  pVkToWchTbl = &pKbdTbl->pVkToWcharTable[i];
1576  pVkToWch = (PVK_TO_WCHARS10)(pVkToWchTbl->pVkToWchars);
1577 
1578  // Interate through all virtual keys
1579  while (pVkToWch->VirtualKey)
1580  {
1581  for (dwModNumber = 0; dwModNumber < pVkToWchTbl->nModifications; dwModNumber++)
1582  {
1583  if (pVkToWch->wch[dwModNumber] == wch)
1584  {
1585  dwModBits = pKbdTbl->pCharModifiers->ModNumber[dwModNumber];
1586  TRACE("i %lu wC %04x: dwModBits %08x dwModNumber %08x MaxModBits %08x\n",
1587  i, wch, dwModBits, dwModNumber, pKbdTbl->pCharModifiers->wMaxModBits);
1588  Ret = (dwModBits << 8) | (pVkToWch->VirtualKey & 0xFF);
1589  goto Exit;
1590  }
1591  }
1592  pVkToWch = (PVK_TO_WCHARS10)(((BYTE *)pVkToWch) + pVkToWchTbl->cbSize);
1593  }
1594  }
1595 Exit:
1596  UserLeave();
1597  return Ret;
1598 }
1599 
1600 /* EOF */
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble * u
Definition: glfuncs.h:240
WCHAR wchComposed
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#define ERROR_INVALID_PARAMETER
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USHORT MakeCode
Definition: ntddkbd.h:114
#define VK_NUMPAD8
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VOID FASTCALL UserEnterShared(VOID)
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PVK_TO_WCHARS1 pVkToWchars
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#define VK_NUMPAD0
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#define KF_MENUMODE
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BOOL NTAPI GreDeleteObject(HGDIOBJ hobj)
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#define USERTAG_KBDTABLE
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#define TRUE
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NTSYSAPI VOID NTAPI RtlCopyMemory(VOID UNALIGNED *Destination, CONST VOID UNALIGNED *Source, ULONG Length)
VSC_LPWSTR * pKeyNamesExt
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NTSYSAPI NTSTATUS NTAPI ZwDeviceIoControlFile(IN HANDLE DeviceHandle, IN HANDLE Event OPTIONAL, IN PIO_APC_ROUTINE UserApcRoutine OPTIONAL, IN PVOID UserApcContext OPTIONAL, OUT PIO_STATUS_BLOCK IoStatusBlock, IN ULONG IoControlCode, IN PVOID InputBuffer, IN ULONG InputBufferSize, OUT PVOID OutputBuffer, IN ULONG OutputBufferSize)
#define IOCTL_KEYBOARD_QUERY_INDICATOR_TRANSLATION
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#define STATUS_INSUFFICIENT_RESOURCES
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UCHAR Type
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BYTE ModBits
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#define KBDCTRL
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Type
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#define WM_CHAR
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BOOL NTAPI co_UserProcessHotKeys(WORD wVk, BOOL bIsDown)
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__kernel_entry W32KAPI HBITMAP APIENTRY NtGdiCreateCompatibleBitmap(_In_ HDC hdc, _In_ INT cx, _In_ INT cy)
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USHORT IndicatorFlags
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BOOL FASTCALL IntGdiDeleteDC(HDC, BOOL)
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#define VK_RMENU
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#define EngGetTickCount32()
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BYTE gafAsyncKeyState[256 *2/8]
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BOOL FASTCALL IntTranslateKbdMessage(LPMSG lpMsg, UINT flags)
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#define VK_LSHIFT
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TW_UINT32 TW_UINT16 TW_UINT16 MSG
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#define SCANCODE_RSHIFT
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#define WARN(fmt,...)
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#define MAKELPARAM(l, h)
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PVOID NTAPI PsGetCurrentThreadWin32Thread(VOID)
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struct @1591 Msg[]
LONG NTSTATUS
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PTHREADINFO ptiKeyboard
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INDICATOR_LIST IndicatorList[1]
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BYTE Vsc
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static KEYBOARD_INDICATOR_PARAMETERS gIndicators
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INIT_FUNCTION NTSTATUS NTAPI InitKeyboardImpl(VOID)
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static BOOL IntTranslateChar(WORD wVirtKey, PBYTE pKeyState, PBOOL pbDead, PBOOL pbLigature, PWCHAR pwcTranslatedChar, PKBDTABLES pKbdTbl)
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HWND hWnd
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__kernel_entry W32KAPI HBITMAP APIENTRY NtGdiSelectBitmap(_In_ HDC hdc, _In_ HBITMAP hbm)
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static WORD FASTCALL IntVscToVk(WORD wScanCode, PKBDTABLES pKbdTbl)
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DWORD time
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#define DCX_USESTYLE
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#define VK_LEFT
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#define KBDSHIFT
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#define KS_LOCK_BIT
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HDC FASTCALL UserGetDCEx(PWND Window OPTIONAL, HANDLE ClipRegion, ULONG Flags)
WPARAM wParam
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#define MmCopyToCaller(x, y, z)
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#define KF_UP
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#define VK_TAB
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#define VK_DOWN
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#define VK_DECIMAL
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#define VK_PRIOR
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#define VK_MENU
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uint16_t * PWCHAR
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LONG left
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PVSC_VK pVSCtoVK_E0
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DWORD fLocaleFlags
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BOOL NTAPI UserSendKeyboardInput(KEYBDINPUT *pKbdInput, BOOL bInjected)
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#define VK_NUMPAD9
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LONG right
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#define KF_DLGMODE
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#define FASTCALL
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HANDLE ghKeyboardDevice
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VOID NTAPI UserProcessKeyboardInput(PKEYBOARD_INPUT_DATA pKbdInputData)
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PUSER_MESSAGE_QUEUE FASTCALL IntGetFocusMessageQueue(VOID)
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#define MAPVK_VSC_TO_VK_EX
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PSERVERINFO gpsi
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int32_t INT
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#define SCANCODE_ALT
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VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
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int gLanguageToggleKeyState
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#define CAPLOK
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static LRESULT co_CallLowLevelKeyboardHook(WORD wVk, WORD wScanCode, DWORD dwFlags, BOOL bInjected, DWORD dwTime, DWORD dwExtraInfo)
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#define SCANCODE_LSHIFT
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_SEH2_TRY
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#define VK_F10
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USHORT Vk
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#define KBDNUMPAD
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#define WCH_NONE
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#define KLLF_ALTGR
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GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
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NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
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#define VK_UP
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#define UNICODE_NULL
BOOL NTAPI UserCloseClipboard(VOID)
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unsigned int BOOL
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long LONG
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short SHORT
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PDEADKEY pDeadKey
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_Out_opt_ int _Out_opt_ int * cy
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static DWORD DWORD void LPSTR DWORD cch
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smooth NULL
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#define VK_NUMPAD3
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__kernel_entry W32KAPI BOOL APIENTRY NtGdiBitBlt(_In_ HDC hdcDst, _In_ INT x, _In_ INT y, _In_ INT cx, _In_ INT cy, _In_opt_ HDC hdcSrc, _In_ INT xSrc, _In_ INT ySrc, _In_ DWORD rop4, _In_ DWORD crBackColor, _In_ FLONG fl)
#define WM_KEYDOWN
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LPARAM lParam
Definition: winuser.h:3092
LONG_PTR LPARAM
Definition: windef.h:208
UINT APIENTRY NtUserMapVirtualKeyEx(UINT uCode, UINT uType, DWORD keyboardId, HKL dwhkl)
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BYTE nModifications
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PVK_TO_WCHAR_TABLE pVkToWcharTable
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LPWSTR pwsz
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BOOL * PBOOL
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static DWORD IntGetModBits(PKBDTABLES pKbdTbl, PBYTE pKeyState)
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PWND FASTCALL UserGetWindowObject(HWND hWnd)
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VOID FASTCALL UserEnterExclusive(VOID)
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__wchar_t WCHAR
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GLbitfield flags
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DWORD APIENTRY NtUserGetKeyNameText(LONG lParam, LPWSTR lpString, int cchSize)
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ASSERT((InvokeOnSuccess||InvokeOnError||InvokeOnCancel) ?(CompletionRoutine !=NULL) :TRUE)
#define ExAllocatePoolWithTag(hernya, size, tag)
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static BYTE gafAsyncKeyStateRecentDown[256/8]
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LRESULT APIENTRY co_HOOK_CallHooks(INT HookId, INT Code, WPARAM wParam, LPARAM lParam)
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PVK_TO_BIT pVkToBit
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#define LLKHF_INJECTED
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int ret
struct _KBDTABLES * pKbdTbl
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VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
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Definition: main.c:9
#define VK_RCONTROL
Definition: winuser.h:2260
#define VK_LMENU
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_In_ PCCERT_CONTEXT _In_ DWORD dwFlags
Definition: wincrypt.h:1175
BYTE Vk
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static VOID NTAPI UpdateAsyncKeyState(WORD wVk, BOOL bIsDown)
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unsigned char BYTE
Definition: mem.h:68
RECT rcWindow
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struct _KEYBOARD_INDICATOR_TRANSLATION KEYBOARD_INDICATOR_TRANSLATION
UCHAR Subtype
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UINT_PTR HKL
Definition: msctf.idl:101
struct tagKL * KeyboardLayout
Definition: win32.h:89
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
#define KEY_E1
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__kernel_entry W32KAPI HDC APIENTRY NtGdiCreateCompatibleDC(_In_opt_ HDC hdc)
Status
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VOID NTAPI UserInitKeyboard(HANDLE hKeyboardDevice)
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#define VK_RIGHT
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#define VK_NUMPAD7
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DWORD APIENTRY NtUserVkKeyScanEx(WCHAR wch, HKL dwhkl, BOOL bUsehKL)
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static UINT IntMapVirtualKeyEx(UINT uCode, UINT Type, PKBDTABLES pKbdTbl)
Definition: keyboard.c:1244
#define MAPVK_VK_TO_CHAR
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static WORD IntSimplifyVk(WORD wVk)
Definition: keyboard.c:219
BOOL NTAPI UserEmptyClipboard(VOID)
Definition: clipboard.c:677
_In_ DWORD _Out_ _In_ WORD wFlags
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#define ERR(fmt,...)
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#define KBDEXT
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struct _USER_MESSAGE_QUEUE * MessageQueue
Definition: win32.h:88
VOID FASTCALL UserLeave(VOID)
Definition: ntuser.c:255
#define WCH_LGTR
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HWND FASTCALL IntGetDesktopWindow(VOID)
Definition: desktop.c:1338
ULONG_PTR SIZE_T
Definition: typedefs.h:78
#define SC_KEY_UP
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#define KBDALT
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_SEH2_END
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WORD wScan
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USHORT NumberOfFunctionKeys
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#define VK_SCROLL
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#define VK_NUMLOCK
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static DWORD
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#define WM_SYSDEADCHAR
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unsigned short USHORT
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#define KEY_E0
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#define HC_ACTION
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#define WM_SYSKEYUP
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_In_ HBITMAP hbm
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static WORD IntFixVk(WORD wVk, BOOL bExt)
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BOOL fIncSerialNumber
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BOOL NTAPI ProcessKeyEvent(WORD wVk, WORD wScanCode, DWORD dwFlags, BOOL bInjected, DWORD dwTime, DWORD dwExtraInfo)
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PKL W32kGetDefaultKeyLayout(VOID)
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#define VK_CAPITAL
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DBG_DEFAULT_CHANNEL(UserKbd)
#define VK_NUMPAD2
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unsigned int UINT
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PMODIFIERS pCharModifiers
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INT FASTCALL UserReleaseDC(PWND Window, HDC hDc, BOOL EndPaint)
Definition: windc.c:917
static WCHAR FASTCALL IntVkToChar(WORD wVk, PKBDTABLES pKbdTbl)
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Definition: kbd.h:114
#define KEYEVENTF_EXTENDEDKEY
Definition: winuser.h:1091
HWND hwnd
Definition: winuser.h:3089
#define KF_ALTDOWN
Definition: winuser.h:2424
#define VK_CONTROL
Definition: winuser.h:2178
DWORD FASTCALL UserGetKeyboardType(DWORD dwTypeFlag)
Definition: keyboard.c:1516
_Out_opt_ int * cx
Definition: commctrl.h:581
PKBDFILE spkf
Definition: input.h:33
#define KS_DOWN_BIT
Definition: input.h:54
#define WM_SYSKEYDOWN
Definition: winuser.h:1701
#define IOCTL_KEYBOARD_QUERY_ATTRIBUTES
Definition: ntddkbd.h:32
BYTE bMaxVSCtoVK
Definition: kbd.h:103
#define KEYBOARD_NUM_LOCK_ON
Definition: ntddkbd.h:82
#define STATUS_NOT_SUPPORTED
Definition: ntstatus.h:409
#define HIWORD(l)
Definition: typedefs.h:246
NTSTATUS APIENTRY IntKeyboardGetIndicatorTrans(HANDLE hKeyboardDevice, PKEYBOARD_INDICATOR_TRANSLATION *ppIndicatorTrans)
Definition: keyboard.c:50
LONG bottom
Definition: windef.h:309
#define RtlZeroMemory(Destination, Length)
Definition: typedefs.h:261
KEYBOARD_ATTRIBUTES gKeyboardInfo
Definition: keyboard.c:17
#define IS_KEY_DOWN(ks, vk)
Definition: input.h:98
char * cleanup(char *str)
Definition: wpickclick.c:99
ULONG_PTR dwExtraInfo
Definition: winable.h:51
static HBITMAP
Definition: button.c:44
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:6
#define VK_CLEAR
Definition: winuser.h:2175
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:12
WCHAR * LPWSTR
Definition: xmlstorage.h:184
#define IOCTL_KEYBOARD_SET_INDICATORS
Definition: ntddkbd.h:47
LONG_PTR LRESULT
Definition: windef.h:209
#define VK_LCONTROL
Definition: winuser.h:2259
#define VK_NUMPAD1
Definition: winuser.h:2215
#define QS_KEY
Definition: winuser.h:883
ULONG_PTR dwExtraInfo
Definition: winuser.h:3787
UINT message
Definition: winuser.h:3090
return STATUS_SUCCESS
Definition: btrfs.c:2938
#define SET_KEY_LOCKED(ks, vk, down)
Definition: input.h:103
#define QF_MOUSEMOVED
Definition: msgqueue.h:99
#define LP_DO_NOT_CARE_BIT
Definition: input.h:59
#define UL
Definition: tui.h:83
PVSC_VK pVSCtoVK_E1
Definition: kbd.h:105
BYTE * PBYTE
Definition: pedump.c:66
LPARAM lParam
Definition: combotst.c:139
#define VK_SNAPSHOT
Definition: winuser.h:2206
#define LOWORD(l)
Definition: pedump.c:82
WORD wVk
Definition: winable.h:47
#define VK_END
Definition: winuser.h:2197
size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
#define CONST
Definition: pedump.c:81
#define SRCCOPY
Definition: wingdi.h:332
PSDBQUERYRESULT_VISTA PVOID DWORD * dwSize
Definition: env.c:54
HANDLE NTAPI UserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd)
Definition: clipboard.c:1020
ENGAPI VOID APIENTRY EngSetLastError(_In_ ULONG iError)
Definition: error.c:27
HDC hdcMem
Definition: welcome.c:104
int APIENTRY NtUserToUnicodeEx(UINT wVirtKey, UINT wScanCode, PBYTE pKeyStateUnsafe, LPWSTR pwszBuffUnsafe, INT cchBuff, UINT wFlags, HKL dwhkl)
Definition: keyboard.c:1330
#define APIENTRY
Definition: api.h:79
KeyboardLayout
Definition: utils.h:36
PKL NTAPI UserHklToKbl(HKL hKl)
Definition: kbdlayout.c:370
static VOID SnapWindow(HWND hWnd)
Definition: keyboard.c:723
#define SCANCODE_CTRL
Definition: kbd.h:130