2 * ReactOS W32 Subsystem
3 * Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 ReactOS Team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License along
16 * with this program; if not, write to the Free Software Foundation, Inc.,
17 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 * COPYRIGHT: See COPYING in the top level directory
21 * PROJECT: ReactOS kernel
23 * FILE: subsys/win32k/ntuser/keyboard.c
24 * PROGRAMER: Casper S. Hornstrup (chorns@users.sourceforge.net)
26 * 06-06-2001 CSH Created
29 /* INCLUDES ******************************************************************/
38 #define CAPITAL_BIT 0x80000000
39 #define NUMLOCK_BIT 0x40000000
40 #define MOD_BITS_MASK 0x3fffffff
41 #define MOD_KCTRL 0x02
43 #define KS_DOWN_MASK 0xc0
44 #define KS_DOWN_BIT 0x80
45 #define KS_LOCK_BIT 0x01
47 #define SC_KEY_UP 0x8000
49 #define LP_EXT_BIT (1<<24)
50 /* From kbdxx.c -- Key changes with numlock */
54 BYTE gQueueKeyStateTable
[256];
58 /* FUNCTIONS *****************************************************************/
60 /* Initialization -- Right now, just zero the key state and init the lock */
61 NTSTATUS FASTCALL
InitKeyboardImpl(VOID
)
63 RtlZeroMemory(&gQueueKeyStateTable
,0x100);
64 return STATUS_SUCCESS
;
67 /*** Statics used by TranslateMessage ***/
69 /*** Shift state code was out of hand, sorry. --- arty */
71 static UINT
DontDistinguishShifts( UINT ret
)
73 if( ret
== VK_LSHIFT
|| ret
== VK_RSHIFT
)
75 if( ret
== VK_LCONTROL
|| ret
== VK_RCONTROL
)
77 if( ret
== VK_LMENU
|| ret
== VK_RMENU
)
82 static VOID APIENTRY
SetKeyState(DWORD key
, DWORD vk
, DWORD ext
, BOOL down
)
86 /* Special handling for toggles like numpad and caps lock */
87 if (vk
== VK_CAPITAL
|| vk
== VK_NUMLOCK
)
90 gQueueKeyStateTable
[vk
] ^= KS_LOCK_BIT
;
94 vk
= ext
? VK_RSHIFT
: VK_LSHIFT
;
96 vk
= ext
? VK_RCONTROL
: VK_LCONTROL
;
98 vk
= ext
? VK_RMENU
: VK_LMENU
;
101 gQueueKeyStateTable
[vk
] |= KS_DOWN_BIT
;
103 gQueueKeyStateTable
[vk
] &= ~KS_DOWN_MASK
;
105 if (vk
== VK_LSHIFT
|| vk
== VK_RSHIFT
)
107 if ((gQueueKeyStateTable
[VK_LSHIFT
] & KS_DOWN_BIT
) ||
108 (gQueueKeyStateTable
[VK_RSHIFT
] & KS_DOWN_BIT
))
110 gQueueKeyStateTable
[VK_SHIFT
] |= KS_DOWN_BIT
;
114 gQueueKeyStateTable
[VK_SHIFT
] &= ~KS_DOWN_MASK
;
118 if (vk
== VK_LCONTROL
|| vk
== VK_RCONTROL
)
120 if ((gQueueKeyStateTable
[VK_LCONTROL
] & KS_DOWN_BIT
) ||
121 (gQueueKeyStateTable
[VK_RCONTROL
] & KS_DOWN_BIT
))
123 gQueueKeyStateTable
[VK_CONTROL
] |= KS_DOWN_BIT
;
127 gQueueKeyStateTable
[VK_CONTROL
] &= ~KS_DOWN_MASK
;
131 if (vk
== VK_LMENU
|| vk
== VK_RMENU
)
133 if ((gQueueKeyStateTable
[VK_LMENU
] & KS_DOWN_BIT
) ||
134 (gQueueKeyStateTable
[VK_RMENU
] & KS_DOWN_BIT
))
136 gQueueKeyStateTable
[VK_MENU
] |= KS_DOWN_BIT
;
140 gQueueKeyStateTable
[VK_MENU
] &= ~KS_DOWN_MASK
;
145 VOID
DumpKeyState( PBYTE KeyState
)
149 DbgPrint( "KeyState { " );
150 for( i
= 0; i
< 0x100; i
++ )
153 DbgPrint( "%02x(%02x) ", i
, KeyState
[i
] );
158 static BYTE
KeysSet( PKBDTABLES pkKT
, PBYTE KeyState
,
159 int FakeModLeft
, int FakeModRight
)
161 if( !KeyState
|| !pkKT
)
164 /* Search special codes first */
165 if( FakeModLeft
&& KeyState
[FakeModLeft
] )
166 return KeyState
[FakeModLeft
];
167 else if( FakeModRight
&& KeyState
[FakeModRight
] )
168 return KeyState
[FakeModRight
];
173 /* Search the keyboard layout modifiers table for the shift bit. I don't
174 * want to count on the shift bit not moving, because it can be specified
177 static DWORD FASTCALL
GetShiftBit( PKBDTABLES pkKT
, DWORD Vk
)
181 for( i
= 0; pkKT
->pCharModifiers
->pVkToBit
[i
].Vk
; i
++ )
182 if( pkKT
->pCharModifiers
->pVkToBit
[i
].Vk
== Vk
)
183 return pkKT
->pCharModifiers
->pVkToBit
[i
].ModBits
;
188 static DWORD
ModBits( PKBDTABLES pkKT
, PBYTE KeyState
)
195 /* DumpKeyState( KeyState ); */
197 if (KeysSet( pkKT
, KeyState
, VK_LSHIFT
, VK_RSHIFT
) &
199 ModBits
|= GetShiftBit( pkKT
, VK_SHIFT
);
201 if (KeysSet( pkKT
, KeyState
, VK_SHIFT
, 0 ) &
203 ModBits
|= GetShiftBit( pkKT
, VK_SHIFT
);
205 if (KeysSet( pkKT
, KeyState
, VK_LCONTROL
, VK_RCONTROL
) &
207 ModBits
|= GetShiftBit( pkKT
, VK_CONTROL
);
209 if (KeysSet( pkKT
, KeyState
, VK_CONTROL
, 0 ) &
211 ModBits
|= GetShiftBit( pkKT
, VK_CONTROL
);
213 if (KeysSet( pkKT
, KeyState
, VK_LMENU
, VK_RMENU
) &
215 ModBits
|= GetShiftBit( pkKT
, VK_MENU
);
218 if (pkKT
->fLocalFlags
& 0x1)
219 if (KeysSet( pkKT
, KeyState
, VK_RMENU
, 0 ) &
221 ModBits
|= GetShiftBit( pkKT
, VK_CONTROL
);
223 /* Deal with VK_CAPITAL */
224 if (KeysSet( pkKT
, KeyState
, VK_CAPITAL
, 0 ) & KS_LOCK_BIT
)
226 ModBits
|= CAPITAL_BIT
;
229 /* Deal with VK_NUMLOCK */
230 if (KeysSet( pkKT
, KeyState
, VK_NUMLOCK
, 0 ) & KS_LOCK_BIT
)
232 ModBits
|= NUMLOCK_BIT
;
235 DPRINT( "Current Mod Bits: %x\n", ModBits
);
240 static BOOL
TryToTranslateChar(WORD wVirtKey
,
244 PWCHAR pwcTranslatedChar
,
245 PKBDTABLES keyLayout
)
247 PVK_TO_WCHAR_TABLE vtwTbl
;
248 PVK_TO_WCHARS10 vkPtr
;
249 size_t size_this_entry
;
251 DWORD CapsMod
= 0, CapsState
= 0;
253 CapsState
= ModBits
& ~MOD_BITS_MASK
;
254 ModBits
= ModBits
& MOD_BITS_MASK
;
256 DPRINT ( "TryToTranslate: %04x %x\n", wVirtKey
, ModBits
);
258 if (ModBits
> keyLayout
->pCharModifiers
->wMaxModBits
)
263 for (nMod
= 0; keyLayout
->pVkToWcharTable
[nMod
].nModifications
; nMod
++)
265 vtwTbl
= &keyLayout
->pVkToWcharTable
[nMod
];
266 size_this_entry
= vtwTbl
->cbSize
;
267 vkPtr
= (PVK_TO_WCHARS10
)((BYTE
*)vtwTbl
->pVkToWchars
);
268 while(vkPtr
->VirtualKey
)
270 if( wVirtKey
== (vkPtr
->VirtualKey
& 0xff) )
272 CapsMod
= keyLayout
->pCharModifiers
->ModNumber
274 ((CapsState
& CAPITAL_BIT
) ? vkPtr
->Attributes
: 0)];
276 if( CapsMod
>= keyLayout
->pVkToWcharTable
[nMod
].nModifications
)
281 if( vkPtr
->wch
[CapsMod
] == WCH_NONE
)
286 *pbDead
= vkPtr
->wch
[CapsMod
] == WCH_DEAD
;
287 *pbLigature
= vkPtr
->wch
[CapsMod
] == WCH_LGTR
;
288 *pwcTranslatedChar
= vkPtr
->wch
[CapsMod
];
290 DPRINT("%d %04x: CapsMod %08x CapsState %08x Char %04x\n",
292 CapsMod
, CapsState
, *pwcTranslatedChar
);
296 vkPtr
= (PVK_TO_WCHARS10
)(((BYTE
*)vkPtr
) + size_this_entry
);
297 if( vkPtr
->VirtualKey
!= 0xff )
299 DPRINT( "Found dead key with no trailer in the table.\n" );
300 DPRINT( "VK: %04x, ADDR: %p\n", wVirtKey
, vkPtr
);
303 *pwcTranslatedChar
= vkPtr
->wch
[CapsMod
];
307 vkPtr
= (PVK_TO_WCHARS10
)(((BYTE
*)vkPtr
) + size_this_entry
);
315 ToUnicodeInner(UINT wVirtKey
,
323 WCHAR wcTranslatedChar
;
330 if( TryToTranslateChar( wVirtKey
,
331 ModBits( pkKT
, lpKeyState
),
339 DPRINT("Not handling ligature (yet)\n" );
344 pwszBuff
[0] = wcTranslatedChar
;
346 return bDead
? -1 : 1;
353 DWORD FASTCALL
UserGetKeyState(DWORD key
)
359 ret
= ((DWORD
)(gQueueKeyStateTable
[key
] & KS_DOWN_BIT
) << 8 ) |
360 (gQueueKeyStateTable
[key
] & KS_LOCK_BIT
);
372 DECLARE_RETURN(DWORD
);
374 DPRINT("Enter NtUserGetKeyState\n");
375 UserEnterExclusive();
377 RETURN(UserGetKeyState(key
));
380 DPRINT("Leave NtUserGetKeyState, ret=%i\n",_ret_
);
387 DWORD FASTCALL
UserGetAsyncKeyState(DWORD key
)
393 ret
= ((DWORD
)(gQueueKeyStateTable
[key
] & KS_DOWN_BIT
) << 8 ) |
394 (gQueueKeyStateTable
[key
] & KS_LOCK_BIT
);
404 NtUserGetAsyncKeyState(
407 DECLARE_RETURN(SHORT
);
409 DPRINT("Enter NtUserGetAsyncKeyState\n");
410 UserEnterExclusive();
412 RETURN((SHORT
)UserGetAsyncKeyState(key
));
415 DPRINT("Leave NtUserGetAsyncKeyState, ret=%i\n",_ret_
);
423 IntTranslateKbdMessage(LPMSG lpMsg
,
427 static INT dead_char
= 0;
431 PKBDTABLES keyLayout
;
435 pti
= PsGetCurrentThreadWin32Thread();
436 keyLayout
= pti
->KeyboardLayout
->KBTables
;
440 if (lpMsg
->message
< WM_KEYFIRST
|| lpMsg
->message
> WM_KEYLAST
)
442 if (lpMsg
->message
!= WM_KEYDOWN
&& lpMsg
->message
!= WM_SYSKEYDOWN
)
445 /* All messages have to contain the cursor point. */
446 NewMsg
.pt
= gpsi
->ptCursor
;
448 switch (lpMsg
->wParam
)
451 NewMsg
.message
= (lpMsg
->message
== WM_KEYDOWN
) ? WM_CHAR
: WM_SYSCHAR
;
452 NewMsg
.hwnd
= lpMsg
->hwnd
;
453 NewMsg
.wParam
= HIWORD(lpMsg
->lParam
);
454 NewMsg
.lParam
= LOWORD(lpMsg
->lParam
);
455 MsqPostMessage(pti
->MessageQueue
, &NewMsg
, FALSE
, QS_KEY
);
459 ScanCode
= (lpMsg
->lParam
>> 16) & 0xff;
461 UState
= ToUnicodeInner(lpMsg
->wParam
, HIWORD(lpMsg
->lParam
) & 0xff,
462 gQueueKeyStateTable
, wp
, 2, 0,
467 NewMsg
.message
= (lpMsg
->message
== WM_KEYDOWN
) ? WM_CHAR
: WM_SYSCHAR
;
472 DPRINT("PREVIOUS DEAD CHAR: %c\n", dead_char
);
474 for( i
= 0; keyLayout
->pDeadKey
[i
].dwBoth
; i
++ )
476 first
= keyLayout
->pDeadKey
[i
].dwBoth
>> 16;
477 second
= keyLayout
->pDeadKey
[i
].dwBoth
;
478 if (first
== dead_char
&& second
== wp
[0])
480 wp
[0] = keyLayout
->pDeadKey
[i
].wchComposed
;
486 DPRINT("FINAL CHAR: %c\n", wp
[0]);
491 NewMsg
.hwnd
= lpMsg
->hwnd
;
492 NewMsg
.wParam
= dead_char
;
493 NewMsg
.lParam
= lpMsg
->lParam
;
495 MsqPostMessage(pti
->MessageQueue
, &NewMsg
, FALSE
, QS_KEY
);
498 NewMsg
.hwnd
= lpMsg
->hwnd
;
499 NewMsg
.wParam
= wp
[0];
500 NewMsg
.lParam
= lpMsg
->lParam
;
501 DPRINT( "CHAR='%c' %04x %08x\n", wp
[0], wp
[0], lpMsg
->lParam
);
502 MsqPostMessage(pti
->MessageQueue
, &NewMsg
, FALSE
, QS_KEY
);
505 else if (UState
== -1)
508 (lpMsg
->message
== WM_KEYDOWN
) ? WM_DEADCHAR
: WM_SYSDEADCHAR
;
509 NewMsg
.hwnd
= lpMsg
->hwnd
;
510 NewMsg
.wParam
= wp
[0];
511 NewMsg
.lParam
= lpMsg
->lParam
;
513 MsqPostMessage(pti
->MessageQueue
, &NewMsg
, FALSE
, QS_KEY
);
522 NtUserGetKeyboardState(
526 DECLARE_RETURN(DWORD
);
528 DPRINT("Enter NtUserGetKeyboardState\n");
533 if(!NT_SUCCESS(MmCopyToCaller(lpKeyState
, gQueueKeyStateTable
, 256)))
540 DPRINT("Leave NtUserGetKeyboardState, ret=%i\n",_ret_
);
547 NtUserSetKeyboardState(LPBYTE lpKeyState
)
550 DECLARE_RETURN(DWORD
);
552 DPRINT("Enter NtUserSetKeyboardState\n");
553 UserEnterExclusive();
557 if(! NT_SUCCESS(MmCopyFromCaller(gQueueKeyStateTable
, lpKeyState
, 256)))
564 DPRINT("Leave NtUserSetKeyboardState, ret=%i\n",_ret_
);
569 static UINT
VkToScan( UINT Code
, BOOL ExtCode
, PKBDTABLES pkKT
)
573 for( i
= 0; i
< pkKT
->bMaxVSCtoVK
; i
++ )
575 if( pkKT
->pusVSCtoVK
[i
] == Code
)
584 UINT
ScanToVk( UINT Code
, BOOL ExtKey
, PKBDTABLES pkKT
)
588 DPRINT("ScanToVk: No layout\n");
596 for( i
= 0; pkKT
->pVSCtoVK_E0
[i
].Vsc
; i
++ )
598 if( pkKT
->pVSCtoVK_E0
[i
].Vsc
== Code
)
599 return pkKT
->pVSCtoVK_E0
[i
].Vk
& 0xff;
601 for( i
= 0; pkKT
->pVSCtoVK_E1
[i
].Vsc
; i
++ )
603 if( pkKT
->pVSCtoVK_E1
[i
].Vsc
== Code
)
604 return pkKT
->pVSCtoVK_E1
[i
].Vk
& 0xff;
611 if( Code
>= pkKT
->bMaxVSCtoVK
)
615 return pkKT
->pusVSCtoVK
[Code
] & 0xff;
620 * Map a virtual key code, or virtual scan code, to a scan code, key code,
621 * or unshifted unicode character.
625 * 0 -- Code is a virtual key code that is converted into a virtual scan code
626 * that does not distinguish between left and right shift keys.
627 * 1 -- Code is a virtual scan code that is converted into a virtual key code
628 * that does not distinguish between left and right shift keys.
629 * 2 -- Code is a virtual key code that is converted into an unshifted unicode
631 * 3 -- Code is a virtual scan code that is converted into a virtual key code
632 * that distinguishes left and right shift keys.
633 * KeyLayout: Keyboard layout handle (currently, unused)
638 static UINT
IntMapVirtualKeyEx( UINT Code
, UINT Type
, PKBDTABLES keyLayout
)
645 if( Code
== VK_SHIFT
)
647 if( Code
== VK_MENU
)
649 if( Code
== VK_CONTROL
)
651 ret
= VkToScan( Code
, FALSE
, keyLayout
);
656 DontDistinguishShifts
657 (IntMapVirtualKeyEx( Code
, 3, keyLayout
) );
664 ret
= VkToScan( Code
, FALSE
, keyLayout
);
665 ToUnicodeInner( Code
, ret
, 0, wp
, 2, 0, keyLayout
);
672 ret
= ScanToVk( Code
, FALSE
, keyLayout
);
681 NtUserMapVirtualKeyEx( UINT Code
, UINT Type
, DWORD keyboardId
, HKL dwhkl
)
684 PKBDTABLES keyLayout
;
685 DECLARE_RETURN(UINT
);
687 DPRINT("Enter NtUserMapVirtualKeyEx\n");
688 UserEnterExclusive();
690 pti
= PsGetCurrentThreadWin32Thread();
691 keyLayout
= pti
? pti
->KeyboardLayout
->KBTables
: 0;
696 RETURN(IntMapVirtualKeyEx( Code
, Type
, keyLayout
));
699 DPRINT("Leave NtUserMapVirtualKeyEx, ret=%i\n",_ret_
);
717 BYTE KeyStateBuf
[0x100];
718 PWCHAR OutPwszBuff
= 0;
722 DPRINT("Enter NtUserSetKeyboardState\n");
723 UserEnterShared();//fixme: this syscall doesnt seem to need any locking...
726 if (wScanCode
& SC_KEY_UP
)
731 if( !NT_SUCCESS(MmCopyFromCaller(KeyStateBuf
,
733 sizeof(KeyStateBuf
))) )
735 DPRINT1( "Couldn't copy key state from caller.\n" );
739 /* Virtual code is correct? */
740 if (wVirtKey
< 0x100)
742 OutPwszBuff
= ExAllocatePoolWithTag(NonPagedPool
,sizeof(WCHAR
) * cchBuff
, TAG_STRING
);
745 DPRINT1( "ExAllocatePoolWithTag(%d) failed\n", sizeof(WCHAR
) * cchBuff
);
748 RtlZeroMemory( OutPwszBuff
, sizeof( WCHAR
) * cchBuff
);
750 pti
= PsGetCurrentThreadWin32Thread();
751 ret
= ToUnicodeInner( wVirtKey
,
757 pti
? pti
->KeyboardLayout
->KBTables
: 0 );
759 MmCopyToCaller(pwszBuff
,OutPwszBuff
,sizeof(WCHAR
)*cchBuff
);
760 ExFreePoolWithTag(OutPwszBuff
, TAG_STRING
);
766 DPRINT("Leave NtUserSetKeyboardState, ret=%i\n",_ret_
);
771 static int W32kSimpleToupper( int ch
)
773 if( ch
>= 'a' && ch
<= 'z' )
780 NtUserGetKeyNameText( LONG lParam
, LPWSTR lpString
, int nSize
)
787 UINT ScanCode
= (lParam
>> 16) & 0xff;
788 BOOL ExtKey
= lParam
& (1<<24) ? TRUE
: FALSE
;
789 PKBDTABLES keyLayout
;
790 VSC_LPWSTR
*KeyNames
;
791 DECLARE_RETURN(DWORD
);
793 DPRINT("Enter NtUserGetKeyNameText\n");
796 pti
= PsGetCurrentThreadWin32Thread();
797 keyLayout
= pti
? pti
->KeyboardLayout
->KBTables
: 0;
799 if( !keyLayout
|| nSize
< 1 )
802 if( lParam
& (1<<25) )
804 CareVk
= VkCode
= ScanToVk( ScanCode
, ExtKey
, keyLayout
);
824 VkCode
= ScanToVk( ScanCode
, ExtKey
, keyLayout
);
829 if( CareVk
!= VkCode
)
830 ScanCode
= VkToScan( VkCode
, ExtKey
, keyLayout
);
833 KeyNames
= keyLayout
->pKeyNamesExt
;
835 KeyNames
= keyLayout
->pKeyNames
;
837 for( i
= 0; KeyNames
[i
].pwsz
; i
++ )
839 if( KeyNames
[i
].vsc
== ScanCode
)
841 UINT StrLen
= wcslen(KeyNames
[i
].pwsz
);
842 UINT StrMax
= StrLen
> (nSize
- 1) ? (nSize
- 1) : StrLen
;
844 if( NT_SUCCESS( MmCopyToCaller( lpString
,
846 StrMax
* sizeof(WCHAR
) ) ) &&
847 NT_SUCCESS( MmCopyToCaller( lpString
+ StrMax
,
849 sizeof( WCHAR
) ) ) )
861 UCName
[0] = W32kSimpleToupper(IntMapVirtualKeyEx( VkCode
, 2, keyLayout
));
865 if( !NT_SUCCESS(MmCopyToCaller( lpString
, UCName
, 2 * sizeof(WCHAR
) )) )
872 DPRINT("Leave NtUserGetKeyNameText, ret=%i\n",_ret_
);
878 * Filter this message according to the current key layout, setting wParam
883 W32kKeyProcessMessage(LPMSG Msg
,
884 PKBDTABLES KeyboardLayout
,
887 DWORD ScanCode
= 0, ModifierBits
= 0;
889 DWORD BaseMapping
= 0;
891 static WORD NumpadConversion
[][2] =
892 { { VK_DELETE
, VK_DECIMAL
},
893 { VK_INSERT
, VK_NUMPAD0
},
894 { VK_END
, VK_NUMPAD1
},
895 { VK_DOWN
, VK_NUMPAD2
},
896 { VK_NEXT
, VK_NUMPAD3
},
897 { VK_LEFT
, VK_NUMPAD4
},
898 { VK_CLEAR
, VK_NUMPAD5
},
899 { VK_RIGHT
, VK_NUMPAD6
},
900 { VK_HOME
, VK_NUMPAD7
},
901 { VK_UP
, VK_NUMPAD8
},
902 { VK_PRIOR
, VK_NUMPAD9
},
904 PVSC_VK VscVkTable
= NULL
;
906 if( !KeyboardLayout
|| !Msg
||
907 (Msg
->message
!= WM_KEYDOWN
&& Msg
->message
!= WM_SYSKEYDOWN
&&
908 Msg
->message
!= WM_KEYUP
&& Msg
->message
!= WM_SYSKEYUP
) )
913 /* arty -- handle numpad -- On real windows, the actual key produced
914 * by the messaging layer is different based on the state of numlock. */
915 ModifierBits
= ModBits(KeyboardLayout
,gQueueKeyStateTable
);
917 /* Get the raw scan code, so we can look up whether the key is a numpad
920 * Shift and the LP_EXT_BIT cancel. */
921 ScanCode
= (Msg
->lParam
>> 16) & 0xff;
922 BaseMapping
= Msg
->wParam
=
923 IntMapVirtualKeyEx( ScanCode
, 1, KeyboardLayout
);
926 if( ScanCode
>= KeyboardLayout
->bMaxVSCtoVK
)
929 RawVk
= KeyboardLayout
->pusVSCtoVK
[ScanCode
];
935 /* ignore shift codes */
936 if( ScanCode
== 0x2A || ScanCode
== 0x36 )
940 VscVkTable
= KeyboardLayout
->pVSCtoVK_E0
;
942 else if( Prefix
== 0xE1 )
944 VscVkTable
= KeyboardLayout
->pVSCtoVK_E1
;
948 while (VscVkTable
->Vsc
)
950 if( VscVkTable
->Vsc
== ScanCode
)
952 RawVk
= VscVkTable
->Vk
;
958 if ((ModifierBits
& NUMLOCK_BIT
) &&
959 !(ModifierBits
& GetShiftBit(KeyboardLayout
, VK_SHIFT
)) &&
961 !(Msg
->lParam
& LP_EXT_BIT
))
963 /* The key in question is a numpad key. Search for a translation. */
964 for (i
= 0; NumpadConversion
[i
][0]; i
++)
966 if ((BaseMapping
& 0xff) == NumpadConversion
[i
][0]) /* RawVk? */
968 Msg
->wParam
= NumpadConversion
[i
][1];
974 DPRINT("Key: [%04x -> %04x]\n", BaseMapping
, Msg
->wParam
);
976 /* Now that we have the VK, we can set the keymap appropriately
977 * This is a better place for this code, as it's guaranteed to be
978 * run, unlike translate message. */
979 if (Msg
->message
== WM_KEYDOWN
|| Msg
->message
== WM_SYSKEYDOWN
)
981 SetKeyState( ScanCode
, Msg
->wParam
, Msg
->lParam
& LP_EXT_BIT
,
982 TRUE
); /* Strike key */
984 else if (Msg
->message
== WM_KEYUP
|| Msg
->message
== WM_SYSKEYUP
)
986 SetKeyState( ScanCode
, Msg
->wParam
, Msg
->lParam
& LP_EXT_BIT
,
987 FALSE
); /* Release key */
990 /* We need to unset SYSKEYDOWN if the ALT key is an ALT+Gr */
991 if( gQueueKeyStateTable
[VK_RMENU
] & KS_DOWN_BIT
)
993 if( Msg
->message
== WM_SYSKEYDOWN
)
994 Msg
->message
= WM_KEYDOWN
;
996 Msg
->message
= WM_KEYUP
;
1004 UserGetKeyboardType(
1009 case 0: /* Keyboard type */
1010 return 4; /* AT-101 */
1011 case 1: /* Keyboard Subtype */
1012 return 0; /* There are no defined subtypes */
1013 case 2: /* Number of F-keys */
1014 return 12; /* We're doing an 101 for now, so return 12 F-keys */
1016 DPRINT1("Unknown type!\n");
1017 return 0; /* The book says 0 here, so 0 */
1023 Based on TryToTranslateChar, instead of processing VirtualKey match,
1024 look for wChar match.
1030 HKL hKeyboardLayout
,
1031 BOOL UsehKL
) // TRUE from KeyboardLayout, FALSE from pkbl = (THREADINFO)->KeyboardLayout
1033 PKBDTABLES KeyLayout
;
1034 PVK_TO_WCHAR_TABLE vtwTbl
;
1035 PVK_TO_WCHARS10 vkPtr
;
1036 size_t size_this_entry
;
1039 DWORD CapsMod
= 0, CapsState
= 0, Ret
= -1;
1041 DPRINT("NtUserVkKeyScanEx() wChar %d, KbdLayout 0x%p\n", wChar
, hKeyboardLayout
);
1046 if ( !hKeyboardLayout
|| !(pkbl
= UserHklToKbl(hKeyboardLayout
)))
1049 else // From VkKeyScanAW it is FALSE so KeyboardLayout is white noise.
1051 pkbl
= ((PTHREADINFO
)PsGetCurrentThreadWin32Thread())->KeyboardLayout
;
1054 KeyLayout
= pkbl
->KBTables
;
1056 for (nMod
= 0; KeyLayout
->pVkToWcharTable
[nMod
].nModifications
; nMod
++)
1058 vtwTbl
= &KeyLayout
->pVkToWcharTable
[nMod
];
1059 size_this_entry
= vtwTbl
->cbSize
;
1060 vkPtr
= (PVK_TO_WCHARS10
)((BYTE
*)vtwTbl
->pVkToWchars
);
1062 while(vkPtr
->VirtualKey
)
1068 Should have only 8 valid possibilities. Including zero.
1070 for(CapsState
= 0; CapsState
< vtwTbl
->nModifications
; CapsState
++)
1072 if(vkPtr
->wch
[CapsState
] == wChar
)
1074 CapsMod
= KeyLayout
->pCharModifiers
->ModNumber
[CapsState
];
1075 DPRINT("nMod %d wC %04x: CapsMod %08x CapsState %08x MaxModBits %08x\n",
1076 nMod
, wChar
, CapsMod
, CapsState
, KeyLayout
->pCharModifiers
->wMaxModBits
);
1077 Ret
= ((CapsMod
<< 8)|(vkPtr
->VirtualKey
& 0xff));
1081 vkPtr
= (PVK_TO_WCHARS10
)(((BYTE
*)vkPtr
) + size_this_entry
);