ReactOS  0.4.15-dev-3719-g41b8715
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 CODE_SEG("INIT")
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;
1024  }
1025 
1026  /* Remove all virtual key flags (KBDEXT, KBDMULTIVK, KBDSPECIAL, KBDNUMPAD) */
1027  wVk &= 0xFF;
1028  }
1029 
1030  /* If time is given, use it */
1031  if (pKbdInput->time)
1032  dwTime = pKbdInput->time;
1033  else
1034  {
1036  }
1037 
1038  if (wVk == VK_RMENU && (pKbdTbl->fLocaleFlags & KLLF_ALTGR))
1039  {
1040  /* For AltGr keyboards RALT generates CTRL events */
1041  ProcessKeyEvent(VK_LCONTROL, 0, pKbdInput->dwFlags & KEYEVENTF_KEYUP, bInjected, dwTime, 0);
1042  }
1043 
1044  /* Finally process this key */
1045  return ProcessKeyEvent(wVk, wScanCode, pKbdInput->dwFlags, bInjected, dwTime, pKbdInput->dwExtraInfo);
1046 }
1047 
1048 /*
1049  * UserProcessKeyboardInput
1050  *
1051  * Process raw keyboard input data
1052  */
1053 VOID NTAPI
1055  PKEYBOARD_INPUT_DATA pKbdInputData)
1056 {
1057  WORD wScanCode, wVk;
1058  PKL pKl = NULL;
1059  PKBDTABLES pKbdTbl;
1060  PUSER_MESSAGE_QUEUE pFocusQueue;
1061 
1062  /* Calculate scan code with prefix */
1063  wScanCode = pKbdInputData->MakeCode & 0x7F;
1064  if (pKbdInputData->Flags & KEY_E0)
1065  wScanCode |= 0xE000;
1066  if (pKbdInputData->Flags & KEY_E1)
1067  wScanCode |= 0xE100;
1068 
1069  /* Find the target thread whose locale is in effect */
1070  pFocusQueue = IntGetFocusMessageQueue();
1071 
1072  if (pFocusQueue && pFocusQueue->ptiKeyboard)
1073  {
1074  pKl = pFocusQueue->ptiKeyboard->KeyboardLayout;
1075  }
1076 
1077  if (!pKl)
1078  pKl = W32kGetDefaultKeyLayout();
1079  if (!pKl)
1080  return;
1081 
1082  pKbdTbl = pKl->spkf->pKbdTbl;
1083 
1084  /* Convert scan code to virtual key.
1085  Note: We could call UserSendKeyboardInput using scan code,
1086  but it wouldn't interpret E1 key(s) properly */
1087  wVk = IntVscToVk(wScanCode, pKbdTbl);
1088  TRACE("UserProcessKeyboardInput: %x (break: %u) -> %x\n",
1089  wScanCode, (pKbdInputData->Flags & KEY_BREAK) ? 1u : 0, wVk);
1090 
1091  if (wVk)
1092  {
1093  KEYBDINPUT KbdInput;
1094 
1095  /* Support numlock */
1097  {
1098  wVk = IntTranslateNumpadKey(wVk & 0xFF);
1099  }
1100 
1101  /* Send keyboard input */
1102  KbdInput.wVk = wVk & 0xFF;
1103  KbdInput.wScan = wScanCode & 0x7F;
1104  KbdInput.dwFlags = 0;
1105  if (pKbdInputData->Flags & KEY_BREAK)
1106  KbdInput.dwFlags |= KEYEVENTF_KEYUP;
1107 
1108  if (wVk & KBDEXT)
1109  KbdInput.dwFlags |= KEYEVENTF_EXTENDEDKEY;
1110  //
1111  // Based on wine input:test_Input_blackbox this is okay. It seems the
1112  // bit did not get set and more research is needed. Now the right
1113  // shift works.
1114  //
1115  if (wVk == VK_RSHIFT)
1116  KbdInput.dwFlags |= KEYEVENTF_EXTENDEDKEY;
1117 
1118  KbdInput.time = 0;
1119  KbdInput.dwExtraInfo = pKbdInputData->ExtraInformation;
1120  UserSendKeyboardInput(&KbdInput, FALSE);
1121 
1122  /* E1 keys don't have break code */
1123  if (pKbdInputData->Flags & KEY_E1)
1124  {
1125  /* Send key up event */
1126  KbdInput.dwFlags |= KEYEVENTF_KEYUP;
1127  UserSendKeyboardInput(&KbdInput, FALSE);
1128  }
1129  }
1130 }
1131 
1132 /*
1133  * IntTranslateKbdMessage
1134  *
1135  * Addes WM_(SYS)CHAR messages to message queue if message
1136  * describes key which produce character.
1137  */
1138 BOOL FASTCALL
1140  UINT flags)
1141 {
1142  PTHREADINFO pti;
1143  INT cch = 0, i;
1144  WCHAR wch[3] = { 0 };
1145  MSG NewMsg = { 0 };
1146  PKBDTABLES pKbdTbl;
1147  BOOL bResult = FALSE;
1148 
1149  switch(lpMsg->message)
1150  {
1151  case WM_KEYDOWN:
1152  case WM_KEYUP:
1153  case WM_SYSKEYDOWN:
1154  case WM_SYSKEYUP:
1155  break;
1156  default:
1157  return FALSE;
1158  }
1159 
1161 
1162  if (!pti->KeyboardLayout)
1163  {
1165  pti->pClientInfo->hKL = pti->KeyboardLayout ? pti->KeyboardLayout->hkl : NULL;
1166  pKbdTbl = pti->KeyboardLayout ? pti->KeyboardLayout->spkf->pKbdTbl : NULL;
1167  }
1168  else
1169  pKbdTbl = pti->KeyboardLayout->spkf->pKbdTbl;
1170  if (!pKbdTbl)
1171  return FALSE;
1172 
1173  if (lpMsg->message != WM_KEYDOWN && lpMsg->message != WM_SYSKEYDOWN)
1174  return FALSE;
1175 
1176  /* Init pt, hwnd and time msg fields */
1177  NewMsg.pt = gpsi->ptCursor;
1178  NewMsg.hwnd = lpMsg->hwnd;
1179  NewMsg.time = EngGetTickCount32();
1180 
1181  TRACE("Enter IntTranslateKbdMessage msg %s, vk %x\n",
1182  lpMsg->message == WM_SYSKEYDOWN ? "WM_SYSKEYDOWN" : "WM_KEYDOWN", lpMsg->wParam);
1183 
1184  if (lpMsg->wParam == VK_PACKET)
1185  {
1186  NewMsg.message = (lpMsg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
1187  NewMsg.wParam = HIWORD(lpMsg->lParam);
1188  NewMsg.lParam = LOWORD(lpMsg->lParam);
1189  MsqPostMessage(pti, &NewMsg, FALSE, QS_KEY, 0, 0);
1190  return TRUE;
1191  }
1192 
1193  cch = IntToUnicodeEx(lpMsg->wParam,
1194  HIWORD(lpMsg->lParam) & 0xFF,
1195  pti->MessageQueue->afKeyState,
1196  wch,
1197  sizeof(wch) / sizeof(wch[0]),
1198  0,
1199  pKbdTbl);
1200 
1201  if (cch)
1202  {
1203  if (cch > 0) /* Normal characters */
1204  NewMsg.message = (lpMsg->message == WM_KEYDOWN) ? WM_CHAR : WM_SYSCHAR;
1205  else /* Dead character */
1206  {
1207  cch = -cch;
1208  NewMsg.message =
1209  (lpMsg->message == WM_KEYDOWN) ? WM_DEADCHAR : WM_SYSDEADCHAR;
1210  }
1211  NewMsg.lParam = lpMsg->lParam;
1212 
1213  /* Send all characters */
1214  for (i = 0; i < cch; ++i)
1215  {
1216  TRACE("Msg: %x '%lc' (%04x) %08x\n", NewMsg.message, wch[i], wch[i], NewMsg.lParam);
1217  NewMsg.wParam = wch[i];
1218  MsqPostMessage(pti, &NewMsg, FALSE, QS_KEY, 0, 0);
1219  }
1220  bResult = TRUE;
1221  }
1222 
1223  TRACE("Leave IntTranslateKbdMessage ret %d, cch %d, msg %x, wch %x\n",
1224  bResult, cch, NewMsg.message, NewMsg.wParam);
1225  return bResult;
1226 }
1227 
1228 /*
1229  * Map a virtual key code, or virtual scan code, to a scan code, key code,
1230  * or unshifted unicode character.
1231  *
1232  * Code: See Below
1233  * Type:
1234  * 0 -- Code is a virtual key code that is converted into a virtual scan code
1235  * that does not distinguish between left and right shift keys.
1236  * 1 -- Code is a virtual scan code that is converted into a virtual key code
1237  * that does not distinguish between left and right shift keys.
1238  * 2 -- Code is a virtual key code that is converted into an unshifted unicode
1239  * character.
1240  * 3 -- Code is a virtual scan code that is converted into a virtual key code
1241  * that distinguishes left and right shift keys.
1242  * KeyLayout: Keyboard layout handle
1243  *
1244  * @implemented
1245  */
1246 static UINT
1248 {
1249  UINT uRet = 0;
1250 
1251  switch (Type)
1252  {
1253  case MAPVK_VK_TO_VSC:
1254  uCode = IntFixVk(uCode, FALSE);
1255  uRet = IntVkToVsc(uCode, pKbdTbl);
1256  if (uRet > 0xFF) // Fail for scancodes with prefix (e0, e1)
1257  uRet = 0;
1258  break;
1259 
1260  case MAPVK_VSC_TO_VK:
1261  uRet = IntVscToVk(uCode, pKbdTbl) & 0xFF;
1262  uRet = IntSimplifyVk(uRet);
1263  break;
1264 
1265  case MAPVK_VK_TO_CHAR:
1266  uRet = (UINT)IntVkToChar(uCode, pKbdTbl);
1267  break;
1268 
1269  case MAPVK_VSC_TO_VK_EX:
1270  uRet = IntVscToVk(uCode, pKbdTbl) & 0xFF;
1271  break;
1272 
1273  case MAPVK_VK_TO_VSC_EX:
1274  uRet = IntVkToVsc(uCode, pKbdTbl);
1275  break;
1276 
1277  default:
1279  ERR("Wrong type value: %u\n", Type);
1280  }
1281 
1282  return uRet;
1283 }
1284 
1285 /*
1286  * NtUserMapVirtualKeyEx
1287  *
1288  * Map a virtual key code, or virtual scan code, to a scan code, key code,
1289  * or unshifted unicode character. See IntMapVirtualKeyEx.
1290  */
1291 UINT
1292 APIENTRY
1293 NtUserMapVirtualKeyEx(UINT uCode, UINT uType, DWORD keyboardId, HKL dwhkl)
1294 {
1295  PKBDTABLES pKbdTbl = NULL;
1296  UINT ret = 0;
1297 
1298  TRACE("Enter NtUserMapVirtualKeyEx\n");
1299  UserEnterShared();
1300 
1301  if (!dwhkl)
1302  {
1303  PTHREADINFO pti;
1304 
1306  if (pti && pti->KeyboardLayout)
1307  pKbdTbl = pti->KeyboardLayout->spkf->pKbdTbl;
1308  }
1309  else
1310  {
1311  PKL pKl;
1312 
1313  pKl = UserHklToKbl(dwhkl);
1314  if (pKl)
1315  pKbdTbl = pKl->spkf->pKbdTbl;
1316  }
1317 
1318  if (pKbdTbl)
1319  ret = IntMapVirtualKeyEx(uCode, uType, pKbdTbl);
1320 
1321  UserLeave();
1322  TRACE("Leave NtUserMapVirtualKeyEx, ret=%u\n", ret);
1323  return ret;
1324 }
1325 
1326 /*
1327  * NtUserToUnicodeEx
1328  *
1329  * Translates virtual key to characters
1330  */
1331 int
1332 APIENTRY
1334  UINT wVirtKey,
1335  UINT wScanCode,
1336  PBYTE pKeyStateUnsafe,
1337  LPWSTR pwszBuffUnsafe,
1338  INT cchBuff,
1339  UINT wFlags,
1340  HKL dwhkl)
1341 {
1342  PTHREADINFO pti;
1343  BYTE afKeyState[256 * 2 / 8] = {0};
1344  PWCHAR pwszBuff = NULL;
1345  INT i, iRet = 0;
1346  PKL pKl = NULL;
1348 
1349  TRACE("Enter NtUserSetKeyboardState\n");
1350 
1351  /* Return 0 if SC_KEY_UP bit is set */
1352  if (wScanCode & SC_KEY_UP || wVirtKey >= 0x100)
1353  {
1354  ERR("Invalid parameter\n");
1355  return 0;
1356  }
1357 
1358  _SEH2_TRY
1359  {
1360  /* Probe and copy key state to smaller bitmap */
1361  ProbeForRead(pKeyStateUnsafe, 256 * sizeof(BYTE), 1);
1362  for (i = 0; i < 256; ++i)
1363  {
1364  if (pKeyStateUnsafe[i] & KS_DOWN_BIT)
1365  SET_KEY_DOWN(afKeyState, i, TRUE);
1366  if (pKeyStateUnsafe[i] & KS_LOCK_BIT)
1367  SET_KEY_LOCKED(afKeyState, i, TRUE);
1368  }
1369  }
1371  {
1372  ERR("Cannot copy key state\n");
1374  _SEH2_YIELD(return 0);
1375  }
1376  _SEH2_END;
1377 
1378  pwszBuff = ExAllocatePoolWithTag(NonPagedPool, sizeof(WCHAR) * cchBuff, TAG_STRING);
1379  if (!pwszBuff)
1380  {
1381  ERR("ExAllocatePoolWithTag(%u) failed\n", sizeof(WCHAR) * cchBuff);
1382  return 0;
1383  }
1384  RtlZeroMemory(pwszBuff, sizeof(WCHAR) * cchBuff);
1385 
1386  UserEnterExclusive(); // Note: We modify wchDead static variable
1387 
1388  if (dwhkl)
1389  pKl = UserHklToKbl(dwhkl);
1390 
1391  if (!pKl)
1392  {
1394  pKl = pti->KeyboardLayout;
1395  }
1396 
1397  if (pKl)
1398  {
1399  iRet = IntToUnicodeEx(wVirtKey,
1400  wScanCode,
1401  afKeyState,
1402  pwszBuff,
1403  cchBuff,
1404  wFlags,
1405  pKl->spkf->pKbdTbl);
1406 
1407  if (iRet)
1408  {
1409  Status = MmCopyToCaller(pwszBuffUnsafe, pwszBuff, cchBuff * sizeof(WCHAR));
1410  }
1411  }
1412  else
1413  {
1414  ERR("No keyboard layout ?!\n");
1416  }
1417 
1418  ExFreePoolWithTag(pwszBuff, TAG_STRING);
1419 
1420  if (!NT_SUCCESS(Status))
1421  {
1422  iRet = 0;
1424  }
1425 
1426  UserLeave();
1427  TRACE("Leave NtUserSetKeyboardState, ret=%i\n", iRet);
1428  return iRet;
1429 }
1430 
1431 /*
1432  * NtUserGetKeyNameText
1433  *
1434  * Gets key name from keyboard layout
1435  */
1436 DWORD
1437 APIENTRY
1438 NtUserGetKeyNameText(LONG lParam, LPWSTR lpString, int cchSize)
1439 {
1440  PTHREADINFO pti;
1441  DWORD i, dwRet = 0;
1442  SIZE_T cchKeyName;
1443  WORD wScanCode = (lParam >> 16) & 0xFF;
1444  BOOL bExtKey = (HIWORD(lParam) & KF_EXTENDED) ? TRUE : FALSE;
1445  PKBDTABLES pKbdTbl;
1446  VSC_LPWSTR *pKeyNames = NULL;
1447  CONST WCHAR *pKeyName = NULL;
1448  WCHAR KeyNameBuf[2];
1449 
1450  TRACE("Enter NtUserGetKeyNameText\n");
1451 
1452  UserEnterShared();
1453 
1454  /* Get current keyboard layout */
1456  pKbdTbl = pti ? pti->KeyboardLayout->spkf->pKbdTbl : 0;
1457 
1458  if (!pKbdTbl || cchSize < 1)
1459  {
1460  ERR("Invalid parameter\n");
1461  goto cleanup;
1462  }
1463 
1464  /* "Do not care" flag */
1466  {
1467  /* Note: We could do vsc -> vk -> vsc conversion, instead of using
1468  hardcoded scan codes, but it's not what Windows does */
1469  if (wScanCode == SCANCODE_RSHIFT && !bExtKey)
1470  wScanCode = SCANCODE_LSHIFT;
1471  else if (wScanCode == SCANCODE_CTRL || wScanCode == SCANCODE_ALT)
1472  bExtKey = FALSE;
1473  }
1474 
1475  if (bExtKey)
1476  pKeyNames = pKbdTbl->pKeyNamesExt;
1477  else
1478  pKeyNames = pKbdTbl->pKeyNames;
1479 
1480  for (i = 0; pKeyNames[i].pwsz; i++)
1481  {
1482  if (pKeyNames[i].vsc == wScanCode)
1483  {
1484  pKeyName = pKeyNames[i].pwsz;
1485  break;
1486  }
1487  }
1488 
1489  if (!pKeyName)
1490  {
1491  WORD wVk = IntVscToVk(wScanCode, pKbdTbl);
1492 
1493  if (wVk)
1494  {
1495  KeyNameBuf[0] = IntVkToChar(wVk, pKbdTbl);
1496  KeyNameBuf[1] = 0;
1497  if (KeyNameBuf[0])
1498  pKeyName = KeyNameBuf;
1499  }
1500  }
1501 
1502  if (pKeyName)
1503  {
1504  cchKeyName = wcslen(pKeyName);
1505  if (cchKeyName > (cchSize - 1UL))
1506  cchKeyName = cchSize - 1UL; // Don't count '\0'
1507 
1508  _SEH2_TRY
1509  {
1510  ProbeForWrite(lpString, (cchKeyName + 1) * sizeof(WCHAR), 1);
1511  RtlCopyMemory(lpString, pKeyName, cchKeyName * sizeof(WCHAR));
1512  lpString[cchKeyName] = UNICODE_NULL;
1513  dwRet = cchKeyName;
1514  }
1516  {
1518  }
1519  _SEH2_END;
1520  }
1521  else
1522  {
1524  }
1525 
1526 cleanup:
1527  UserLeave();
1528  TRACE("Leave NtUserGetKeyNameText, ret=%lu\n", dwRet);
1529  return dwRet;
1530 }
1531 
1532 /*
1533  * UserGetKeyboardType
1534  *
1535  * Returns some keyboard specific information
1536  */
1539  DWORD dwTypeFlag)
1540 {
1541  switch (dwTypeFlag)
1542  {
1543  case 0: /* Keyboard type */
1545  case 1: /* Keyboard Subtype */
1547  case 2: /* Number of F-keys */
1549  default:
1550  ERR("Unknown type!\n");
1551  return 0; /* Note: we don't have to set last error here */
1552  }
1553 }
1554 
1555 /*
1556  * NtUserVkKeyScanEx
1557  *
1558  * Based on IntTranslateChar, instead of processing VirtualKey match,
1559  * look for wChar match.
1560  */
1561 DWORD
1562 APIENTRY
1564  WCHAR wch,
1565  HKL dwhkl,
1566  BOOL bUsehKL)
1567 {
1568  PKBDTABLES pKbdTbl;
1569  PVK_TO_WCHAR_TABLE pVkToWchTbl;
1570  PVK_TO_WCHARS10 pVkToWch;
1571  PKL pKl = NULL;
1572  DWORD i, dwModBits = 0, dwModNumber = 0, Ret = (DWORD)-1;
1573 
1574  TRACE("NtUserVkKeyScanEx() wch %u, KbdLayout 0x%p\n", wch, dwhkl);
1575  UserEnterShared();
1576 
1577  if (bUsehKL)
1578  {
1579  // Use given keyboard layout
1580  if (dwhkl)
1581  pKl = UserHklToKbl(dwhkl);
1582  }
1583  else
1584  {
1585  // Use thread keyboard layout
1587  }
1588 
1589  if (!pKl)
1590  goto Exit;
1591 
1592  pKbdTbl = pKl->spkf->pKbdTbl;
1593 
1594  // Interate through all VkToWchar tables while pVkToWchars is not NULL
1595  for (i = 0; pKbdTbl->pVkToWcharTable[i].pVkToWchars; i++)
1596  {
1597  pVkToWchTbl = &pKbdTbl->pVkToWcharTable[i];
1598  pVkToWch = (PVK_TO_WCHARS10)(pVkToWchTbl->pVkToWchars);
1599 
1600  // Interate through all virtual keys
1601  while (pVkToWch->VirtualKey)
1602  {
1603  for (dwModNumber = 0; dwModNumber < pVkToWchTbl->nModifications; dwModNumber++)
1604  {
1605  if (pVkToWch->wch[dwModNumber] == wch)
1606  {
1607  dwModBits = pKbdTbl->pCharModifiers->ModNumber[dwModNumber];
1608  TRACE("i %lu wC %04x: dwModBits %08x dwModNumber %08x MaxModBits %08x\n",
1609  i, wch, dwModBits, dwModNumber, pKbdTbl->pCharModifiers->wMaxModBits);
1610  Ret = (dwModBits << 8) | (pVkToWch->VirtualKey & 0xFF);
1611  goto Exit;
1612  }
1613  }
1614  pVkToWch = (PVK_TO_WCHARS10)(((BYTE *)pVkToWch) + pVkToWchTbl->cbSize);
1615  }
1616  }
1617 Exit:
1618  UserLeave();
1619  return Ret;
1620 }
1621 
1622 /* 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
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#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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return STATUS_NOT_SUPPORTED
#define KF_MENUMODE
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BOOL NTAPI GreDeleteObject(HGDIOBJ hobj)
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#define USERTAG_KBDTABLE
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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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#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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struct @1584 Msg[]
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BYTE gafAsyncKeyState[256 *2/8]
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BOOL FASTCALL IntTranslateKbdMessage(LPMSG lpMsg, UINT flags)
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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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INDICATOR_LIST IndicatorList[1]
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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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#define DCX_USESTYLE
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HDC FASTCALL UserGetDCEx(PWND Window OPTIONAL, HANDLE ClipRegion, ULONG Flags)
WPARAM wParam
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#define VK_DECIMAL
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NTSTATUS NTAPI InitKeyboardImpl(VOID)
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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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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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PSERVERINFO gpsi
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int32_t INT
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VOID NTAPI ProbeForWrite(IN PVOID Address, IN SIZE_T Length, IN ULONG Alignment)
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static LRESULT co_CallLowLevelKeyboardHook(WORD wVk, WORD wScanCode, DWORD dwFlags, BOOL bInjected, DWORD dwTime, DWORD dwExtraInfo)
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_SEH2_TRY
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NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
Definition: IoEaTest.cpp:117
#define VK_UP
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#define FALSE
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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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_Out_opt_ int _Out_opt_ int * cy
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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)
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UINT APIENTRY NtUserMapVirtualKeyEx(UINT uCode, UINT uType, DWORD keyboardId, HKL dwhkl)
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PVK_TO_WCHAR_TABLE pVkToWcharTable
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Status
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struct _THREADINFO * PTHREADINFO
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BYTE ModNumber[]
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__wchar_t WCHAR
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#define MAPVK_VK_TO_VSC
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Definition: kbd.h:95
#define WM_KEYUP
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unsigned short WORD
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Type
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static int APIENTRY IntToUnicodeEx(UINT wVirtKey, UINT wScanCode, PBYTE pKeyState, LPWSTR pwszBuff, int cchBuff, UINT wFlags, PKBDTABLES pKbdTbl)
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static NTSTATUS APIENTRY IntKeyboardUpdateLeds(HANDLE hKeyboardDevice, WORD wVk, WORD wScanCode)
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unsigned long DWORD
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GLbitfield flags
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VOID NTAPI ProbeForRead(IN CONST VOID *Address, IN SIZE_T Length, IN ULONG Alignment)
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struct _KEYBOARD_INDICATOR_TRANSLATION KEYBOARD_INDICATOR_TRANSLATION
UCHAR Subtype
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Definition: msctf.idl:101
struct tagKL * KeyboardLayout
Definition: win32.h:92
VOID FASTCALL SetLastNtError(NTSTATUS Status)
Definition: error.c:36
#define KEY_E1
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unsigned char BYTE
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__kernel_entry W32KAPI HDC APIENTRY NtGdiCreateCompatibleDC(_In_opt_ HDC hdc)
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Definition: keyboard.c:161
#define VK_RIGHT
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Definition: winuser.h:2226
DWORD APIENTRY NtUserVkKeyScanEx(WCHAR wch, HKL dwhkl, BOOL bUsehKL)
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Definition: keyboard.c:219
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_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
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VOID FASTCALL UserLeave(VOID)
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#define WCH_LGTR
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HWND FASTCALL IntGetDesktopWindow(VOID)
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ULONG_PTR SIZE_T
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_SEH2_END
Definition: create.c:4400
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Definition: winable.h:48
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
USHORT NumberOfFunctionKeys
Definition: ntddkbd.h:126
#define VK_SCROLL
Definition: winuser.h:2260
#define VK_NUMLOCK
Definition: winuser.h:2259
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static DWORD
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#define LLKHF_ALTDOWN
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unsigned short USHORT
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Definition: winuser.h:48
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Definition: keyboard.c:247
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Definition: kbdlayout.c:396
#define VK_CAPITAL
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#define VK_NUMPAD2
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#define NULL
Definition: types.h:112
PMODIFIERS pCharModifiers
Definition: kbd.h:96
ULONG ExtraInformation
Definition: ntddkbd.h:90
INT FASTCALL UserReleaseDC(PWND Window, HDC hDc, BOOL EndPaint)
Definition: windc.c:917
static WCHAR FASTCALL IntVkToChar(WORD wVk, PKBDTABLES pKbdTbl)
Definition: keyboard.c:605
#define WCH_DEAD
Definition: kbd.h:114
_CRTIMP size_t __cdecl wcslen(_In_z_ const wchar_t *_Str)
#define KEYEVENTF_EXTENDEDKEY
Definition: winuser.h:1095
HWND hwnd
Definition: winuser.h:3094
#define KF_ALTDOWN
Definition: winuser.h:2429
#define VK_CONTROL
Definition: winuser.h:2183
DWORD FASTCALL UserGetKeyboardType(DWORD dwTypeFlag)
Definition: keyboard.c:1538
_Out_opt_ int * cx
Definition: commctrl.h:585
PKBDFILE spkf
Definition: input.h:33
#define KS_DOWN_BIT
Definition: input.h:54
#define WM_SYSKEYDOWN
Definition: winuser.h:1706
#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 HIWORD(l)
Definition: typedefs.h:247
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:262
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
#define RtlCopyMemory(Destination, Source, Length)
Definition: typedefs.h:263
static HBITMAP
Definition: button.c:44
#define _SEH2_EXCEPT(...)
Definition: pseh2_64.h:40
#define STATUS_SUCCESS
Definition: shellext.h:65
#define VK_CLEAR
Definition: winuser.h:2180
#define _SEH2_GetExceptionCode()
Definition: pseh2_64.h:165
#define _SEH2_YIELD(__stmt)
Definition: pseh2_64.h:168
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:2264
#define VK_NUMPAD1
Definition: winuser.h:2220
IN PCTCH IN DWORD cch
Definition: pager.h:36
#define QS_KEY
Definition: winuser.h:868
ULONG_PTR dwExtraInfo
Definition: winuser.h:3792
UINT message
Definition: winuser.h:3095
#define SET_KEY_LOCKED(ks, vk, down)
Definition: input.h:103
#define QF_MOUSEMOVED
Definition: msgqueue.h:99
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
#define LP_DO_NOT_CARE_BIT
Definition: input.h:59
static CODE_SEG("PAGE")
Definition: isapnp.c:1482
#define UL
Definition: tui.h:82
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:2211
#define LOWORD(l)
Definition: pedump.c:82
WORD wVk
Definition: winable.h:47
#define VK_END
Definition: winuser.h:2202
#define CONST
Definition: pedump.c:81
#define SRCCOPY
Definition: wingdi.h:333
PSDBQUERYRESULT_VISTA PVOID DWORD * dwSize
Definition: env.c:56
HANDLE NTAPI UserSetClipboardData(UINT fmt, HANDLE hData, PSETCLIPBDATA scd)
Definition: clipboard.c:1023
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:1333
#define APIENTRY
Definition: api.h:79
KeyboardLayout
Definition: utils.h:36
PKL NTAPI UserHklToKbl(HKL hKl)
Definition: kbdlayout.c:423
static VOID SnapWindow(HWND hWnd)
Definition: keyboard.c:723
#define SCANCODE_CTRL
Definition: kbd.h:130