[jimtabor] 41040: - Fix NtUserVkKeyScanEx to support current thread keyboard layout or use the one provided by handle. See bug report 4269 and the related bug report 4272.

Author: jimtabor
Date: Fri May 22 05:35:48 2009
New Revision: 41040

URL: http://svn.reactos.org/svn/reactos?rev=41040&view=rev
Log:
- Fix NtUserVkKeyScanEx to support current thread keyboard layout or use the one provided by handle. See bug report 4269 and the related bug report 4272.

Modified:
    trunk/reactos/dll/win32/user32/windows/input.c
    trunk/reactos/include/reactos/win32k/ntuser.h
    trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c

Modified: trunk/reactos/dll/win32/user32/windows/input.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/user32/windows/in...
==============================================================================
--- trunk/reactos/dll/win32/user32/windows/input.c [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/user32/windows/input.c [iso-8859-1] Fri May 22 05:35:48 2009
@@ -492,7 +492,7 @@
 VkKeyScanExW(WCHAR ch,
         HKL dwhkl)
 {
-  return (SHORT) NtUserVkKeyScanEx(ch, dwhkl, 0);
+  return (SHORT) NtUserVkKeyScanEx(ch, dwhkl, TRUE);
 }

@@ -502,7 +502,7 @@
 SHORT WINAPI
 VkKeyScanW(WCHAR ch)
 {
-  return VkKeyScanExW(ch, GetKeyboardLayout(0));
+  return (SHORT) NtUserVkKeyScanEx(ch, 0, FALSE);
 }

Modified: trunk/reactos/include/reactos/win32k/ntuser.h
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/include/reactos/win32k/ntus...
==============================================================================
--- trunk/reactos/include/reactos/win32k/ntuser.h [iso-8859-1] (original)
+++ trunk/reactos/include/reactos/win32k/ntuser.h [iso-8859-1] Fri May 22 05:35:48 2009
@@ -2697,7 +2697,7 @@
 NtUserVkKeyScanEx(
   WCHAR wChar,
   HKL KeyboardLayout,
-  DWORD Unknown2);
+  BOOL bUsehHK);

DWORD
 NTAPI

Modified: trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c
URL: http://svn.reactos.org/svn/reactos/trunk/reactos/subsystems/win32/win32k/ntu...
==============================================================================
--- trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c [iso-8859-1] (original)
+++ trunk/reactos/subsystems/win32/win32k/ntuser/keyboard.c [iso-8859-1] Fri May 22 05:35:48 2009
@@ -1000,22 +1000,31 @@
 APIENTRY
 NtUserVkKeyScanEx(
    WCHAR wChar,
-   HKL KeyboardLayout,
-   DWORD Unknown2)
-{
-/* FIXME: currently, this routine doesnt seem to need any locking */
+   HKL hKeyboardLayout,
+   BOOL UsehKL ) // TRUE from KeyboardLayout, FALSE from pkbl = (THREADINFO)->KeyboardLayout
+{
    PKBDTABLES KeyLayout;
    PVK_TO_WCHAR_TABLE vtwTbl;
    PVK_TO_WCHARS10 vkPtr;
    size_t size_this_entry;
    int nMod;
-   DWORD CapsMod = 0, CapsState = 0;
-
-   DPRINT("NtUserVkKeyScanEx() wChar %d, KbdLayout 0x%p\n", wChar, KeyboardLayout);
-
-   if(!KeyboardLayout)
-      return -1;
-   KeyLayout = UserHklToKbl(KeyboardLayout)->KBTables;
+   PKBL pkbl = NULL;
+   DWORD CapsMod = 0, CapsState = 0, Ret = -1;
+
+   DPRINT("NtUserVkKeyScanEx() wChar %d, KbdLayout 0x%p\n", wChar, hKeyboardLayout);
+   UserEnterShared();
+
+   if (UsehKL)
+   {
+      if ( !hKeyboardLayout || !(pkbl = UserHklToKbl(hKeyboardLayout)))
+      goto Exit;
+   }
+   else // From VkKeyScanAW it is FALSE so KeyboardLayout is white noise.
+   {
+     pkbl = ((PTHREADINFO)PsGetCurrentThreadWin32Thread())->KeyboardLayout;
+   }   
+
+   KeyLayout = pkbl->KBTables;

for (nMod = 0; KeyLayout->pVkToWcharTable[nMod].nModifications; nMod++)
    {
@@ -1038,13 +1047,16 @@
                CapsMod = KeyLayout->pCharModifiers->ModNumber[CapsState];
                DPRINT("nMod %d wC %04x: CapsMod %08x CapsState %08x MaxModBits %08x\n",
                       nMod, wChar, CapsMod, CapsState, KeyLayout->pCharModifiers->wMaxModBits);
-               return ((CapsMod << 8)|(vkPtr->VirtualKey & 0xff));
+               Ret = ((CapsMod << 8)|(vkPtr->VirtualKey & 0xff));
+               goto Exit;
             }
          }
          vkPtr = (PVK_TO_WCHARS10)(((BYTE *)vkPtr) + size_this_entry);
       }
    }
-   return -1;
+Exit:
+   UserLeave();
+   return Ret;
 }