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keyboard.c

/*          DirectInput Keyboard device
 *
 * Copyright 1998 Marcus Meissner
 * Copyright 1998,1999 Lionel Ulmer
 * Copyright 2000-2001 TransGaming Technologies Inc.
 * Copyright 2005 Raphael Junqueira
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#include "config.h"
#include "wine/port.h"

#include <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "dinput.h"

#include "dinput_private.h"
#include "device_private.h"
#include "wine/debug.h"
#include "wine/unicode.h"

WINE_DEFAULT_DEBUG_CHANNEL(dinput);

#define WINE_DINPUT_KEYBOARD_MAX_KEYS 256

static const IDirectInputDevice8AVtbl SysKeyboardAvt;
static const IDirectInputDevice8WVtbl SysKeyboardWvt;

typedef struct SysKeyboardImpl SysKeyboardImpl;
struct SysKeyboardImpl
{
        const void                     *lpVtbl;
        LONG                            ref;
        GUID                            guid;

      IDirectInputImpl*               dinput;

      HANDLE      hEvent;
        /* SysKeyboardAImpl */
      int                             acquired;
        int                             buffersize;  /* set in 'SetProperty'         */
        LPDIDEVICEOBJECTDATA            buffer;      /* buffer for 'GetDeviceData'.
                                                        Alloc at 'Acquire', Free at
                                                        'Unacquire'                  */
        int                             count;       /* number of objects in use in
                                                        'buffer'                     */
        int                             start;       /* 'buffer' rotates. This is the
                                                        first in use (if count > 0)  */
        BOOL                            overflow;    /* return DI_BUFFEROVERFLOW in
                                                        'GetDeviceData'              */
        CRITICAL_SECTION                crit;
};

static SysKeyboardImpl* current_lock = NULL; 
/* Today's acquired device
 * FIXME: currently this can be only one.
 * Maybe this should be a linked list or st.
 * I don't know what the rules are for multiple acquired keyboards,
 * but 'DI_LOSTFOCUS' and 'DI_UNACQUIRED' exist for a reason.
*/

static BYTE DInputKeyState[WINE_DINPUT_KEYBOARD_MAX_KEYS]; /* array for 'GetDeviceState' */

static CRITICAL_SECTION keyboard_crit;
static CRITICAL_SECTION_DEBUG critsect_debug =
{
    0, 0, &keyboard_crit,
    { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList },
      0, 0, { (DWORD_PTR)(__FILE__ ": keyboard_crit") }
};
static CRITICAL_SECTION keyboard_crit = { &critsect_debug, -1, 0, 0, 0, 0 };

static LONG keyboard_users = 0;
static HHOOK keyboard_hook = NULL;

LRESULT CALLBACK KeyboardCallback( int code, WPARAM wparam, LPARAM lparam )
{
  BYTE dik_code;
  BOOL down;
  DWORD timestamp;
  KBDLLHOOKSTRUCT *hook = (KBDLLHOOKSTRUCT *)lparam;
  BYTE new_diks;

  TRACE("(%d,%d,%ld)\n", code, wparam, lparam);

  /** returns now if not HC_ACTION */
  if (code != HC_ACTION) return CallNextHookEx(keyboard_hook, code, wparam, lparam);
  
  {
    dik_code = hook->scanCode;
    if (hook->flags & LLKHF_EXTENDED) dik_code |= 0x80;
    down = !(hook->flags & LLKHF_UP);
    timestamp = hook->time;
  }

  /** returns now if key event already known */
  new_diks = (down ? 0x80 : 0);
  /*if (new_diks != DInputKeyState[dik_code]) return CallNextHookEx(keyboard_hook, code, wparam, lparam); TO BE FIXED */

  DInputKeyState[dik_code] = new_diks;
  TRACE(" setting %02X to %02X\n", dik_code, DInputKeyState[dik_code]);
      
  if (current_lock != NULL) {
    if (current_lock->hEvent) SetEvent(current_lock->hEvent);
    
    if (current_lock->buffer != NULL) {
      int n;
      
      EnterCriticalSection(&(current_lock->crit));
      
      n = (current_lock->start + current_lock->count) % current_lock->buffersize;
      
      current_lock->buffer[n].dwOfs = dik_code;
      current_lock->buffer[n].dwData = down ? 0x80 : 0;
      current_lock->buffer[n].dwTimeStamp = timestamp;
      current_lock->buffer[n].dwSequence = current_lock->dinput->evsequence++;
      
      TRACE("Adding event at offset %d : %ld - %ld - %ld - %ld\n", n,
          current_lock->buffer[n].dwOfs, current_lock->buffer[n].dwData, current_lock->buffer[n].dwTimeStamp, current_lock->buffer[n].dwSequence);
      
      if (current_lock->count == current_lock->buffersize) {
      current_lock->start = ++current_lock->start % current_lock->buffersize;
      current_lock->overflow = TRUE;
      } else
      current_lock->count++;
      
      LeaveCriticalSection(&(current_lock->crit));
    }
  }
  return CallNextHookEx(keyboard_hook, code, wparam, lparam);
}

static GUID DInput_Wine_Keyboard_GUID = { /* 0ab8648a-7735-11d2-8c73-71df54a96441 */
  0x0ab8648a,
  0x7735,
  0x11d2,
  {0x8c, 0x73, 0x71, 0xdf, 0x54, 0xa9, 0x64, 0x41}
};

static void fill_keyboard_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version) {
    DWORD dwSize;
    DIDEVICEINSTANCEA ddi;
    
    dwSize = lpddi->dwSize;

    TRACE("%ld %p\n", dwSize, lpddi);
    
    memset(lpddi, 0, dwSize);
    memset(&ddi, 0, sizeof(ddi));

    ddi.dwSize = dwSize;
    ddi.guidInstance = GUID_SysKeyboard;/* DInput's GUID */
    ddi.guidProduct = DInput_Wine_Keyboard_GUID; /* Vendor's GUID */
    if (version >= 0x0800)
        ddi.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
    else
        ddi.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
    strcpy(ddi.tszInstanceName, "Keyboard");
    strcpy(ddi.tszProductName, "Wine Keyboard");

    memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
}

static void fill_keyboard_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version) {
    DWORD dwSize;
    DIDEVICEINSTANCEW ddi;
    
    dwSize = lpddi->dwSize;

    TRACE("%ld %p\n", dwSize, lpddi);
    
    memset(lpddi, 0, dwSize);
    memset(&ddi, 0, sizeof(ddi));
 
    ddi.dwSize = dwSize;
    ddi.guidInstance = GUID_SysKeyboard;/* DInput's GUID */
    ddi.guidProduct = DInput_Wine_Keyboard_GUID; /* Vendor's GUID */
    if (version >= 0x0800)
        ddi.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
    else
        ddi.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
    MultiByteToWideChar(CP_ACP, 0, "Keyboard", -1, ddi.tszInstanceName, MAX_PATH);
    MultiByteToWideChar(CP_ACP, 0, "Wine Keyboard", -1, ddi.tszProductName, MAX_PATH);

    memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
}
 
static BOOL keyboarddev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
{
  if (id != 0)
    return FALSE;

  if ((dwDevType == 0) ||
      ((dwDevType == DIDEVTYPE_KEYBOARD) && (version < 0x0800)) ||
      (((dwDevType == DI8DEVCLASS_KEYBOARD) || (dwDevType == DI8DEVTYPE_KEYBOARD)) && (version >= 0x0800))) {
    TRACE("Enumerating the Keyboard device\n");
 
    fill_keyboard_dideviceinstanceA(lpddi, version);
    
    return TRUE;
  }

  return FALSE;
}

static BOOL keyboarddev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
{
  if (id != 0)
    return FALSE;

  if ((dwDevType == 0) ||
      ((dwDevType == DIDEVTYPE_KEYBOARD) && (version < 0x0800)) ||
      (((dwDevType == DI8DEVCLASS_KEYBOARD) || (dwDevType == DI8DEVTYPE_KEYBOARD)) && (version >= 0x0800))) {
    TRACE("Enumerating the Keyboard device\n");

    fill_keyboard_dideviceinstanceW(lpddi, version);
    
    return TRUE;
  }

  return FALSE;
}

static SysKeyboardImpl *alloc_device(REFGUID rguid, const void *kvt, IDirectInputImpl *dinput)
{
    SysKeyboardImpl* newDevice;
    DWORD kbd_users;

    newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(SysKeyboardImpl));
    newDevice->lpVtbl = kvt;
    newDevice->ref = 1;
    memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
    newDevice->dinput = dinput;
    InitializeCriticalSection(&(newDevice->crit));

    EnterCriticalSection(&keyboard_crit);
    kbd_users = InterlockedIncrement(&keyboard_users);
    if (1 == kbd_users) {
      keyboard_hook = SetWindowsHookExW( WH_KEYBOARD_LL, KeyboardCallback, DINPUT_instance, 0 );
    }
    LeaveCriticalSection(&keyboard_crit);

    return newDevice;
}


static HRESULT keyboarddev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
{
  if ((IsEqualGUID(&GUID_SysKeyboard,rguid)) ||          /* Generic Keyboard */
      (IsEqualGUID(&DInput_Wine_Keyboard_GUID,rguid))) { /* Wine Keyboard */
    if ((riid == NULL) ||
      IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
      *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &SysKeyboardAvt, dinput);
      TRACE("Creating a Keyboard device (%p)\n", *pdev);
      return DI_OK;
    } else
      return DIERR_NOINTERFACE;
  }
  return DIERR_DEVICENOTREG;
}

static HRESULT keyboarddev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
{
  if ((IsEqualGUID(&GUID_SysKeyboard,rguid)) ||          /* Generic Keyboard */
      (IsEqualGUID(&DInput_Wine_Keyboard_GUID,rguid))) { /* Wine Keyboard */
    if ((riid == NULL) ||
      IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
      IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
      *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &SysKeyboardWvt, dinput);
      TRACE("Creating a Keyboard device (%p)\n", *pdev);
      return DI_OK;
    } else
      return DIERR_NOINTERFACE;
  }
  return DIERR_DEVICENOTREG;
}

const struct dinput_device keyboard_device = {
  "Wine keyboard driver",
  keyboarddev_enum_deviceA,
  keyboarddev_enum_deviceW,
  keyboarddev_create_deviceA,
  keyboarddev_create_deviceW
};

static ULONG WINAPI SysKeyboardAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
      ULONG ref;
      DWORD kbd_users;

      ref = InterlockedDecrement(&(This->ref));
      if (ref)
            return ref;

      EnterCriticalSection(&keyboard_crit);     
      kbd_users = InterlockedDecrement(&keyboard_users);
      if (0 == kbd_users) {
          UnhookWindowsHookEx( keyboard_hook );
          keyboard_hook = 0;
      }
      LeaveCriticalSection(&keyboard_crit);

      /* Free the data queue */
      HeapFree(GetProcessHeap(),0,This->buffer);

      DeleteCriticalSection(&(This->crit));

      HeapFree(GetProcessHeap(),0,This);
      return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_SetProperty(
      LPDIRECTINPUTDEVICE8A iface,REFGUID rguid,LPCDIPROPHEADER ph
)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;

      TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
      TRACE("(size=%ld,headersize=%ld,obj=%ld,how=%ld\n",
            ph->dwSize,ph->dwHeaderSize,ph->dwObj,ph->dwHow);
      if (!HIWORD(rguid)) {
            switch (LOWORD(rguid)) {
            case (DWORD) DIPROP_BUFFERSIZE: {
                  LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;

                  TRACE("(buffersize=%ld)\n",pd->dwData);

                        if (This->acquired)
                           return DIERR_INVALIDPARAM;

                        This->buffersize = pd->dwData;

                  break;
            }
            default:
                  WARN("Unknown type %p\n",rguid);
                  break;
            }
      }
      return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_GetProperty(
      LPDIRECTINPUTDEVICE8A iface,REFGUID rguid,LPDIPROPHEADER ph
)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;

      TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
      TRACE("(size=%ld,headersize=%ld,obj=%ld,how=%ld\n",
            ph->dwSize,ph->dwHeaderSize,ph->dwObj,ph->dwHow);
      if (!HIWORD(rguid)) {
            switch (LOWORD(rguid)) {
            case (DWORD) DIPROP_BUFFERSIZE: {
                  LPDIPROPDWORD     pd = (LPDIPROPDWORD)ph;

                  TRACE("(buffersize=%ld)\n",pd->dwData);

                        if (This->acquired)
                           return DIERR_INVALIDPARAM;

                        pd->dwData = This->buffersize;

                  break;
            }
            default:
                  WARN("Unknown type %p\n",rguid);
                  break;
            }
      }
      return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_GetDeviceState(
      LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    TRACE("(%p)->(%ld,%p)\n", This, len, ptr);

    /* Note: device does not need to be acquired */
    if (len != WINE_DINPUT_KEYBOARD_MAX_KEYS)
      return DIERR_INVALIDPARAM;

    MsgWaitForMultipleObjectsEx(0, NULL, 0, QS_ALLINPUT, 0);

    EnterCriticalSection(&(This->crit));

    if (TRACE_ON(dinput)) {
      int i;
      for (i = 0; i < WINE_DINPUT_KEYBOARD_MAX_KEYS; i++) {
          if (DInputKeyState[i] != 0x00) {
            TRACE(" - %02X: %02x\n", i, DInputKeyState[i]);
          }
      }
    }
    
    memcpy(ptr, DInputKeyState, WINE_DINPUT_KEYBOARD_MAX_KEYS);
    LeaveCriticalSection(&(This->crit));

    return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_GetDeviceData(
      LPDIRECTINPUTDEVICE8A iface,DWORD dodsize,LPDIDEVICEOBJECTDATA dod,
      LPDWORD entries,DWORD flags
)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
      int ret = DI_OK, i = 0;

      TRACE("(this=%p,%ld,%p,%p(%ld)),0x%08lx)\n",
            This,dodsize,dod,entries,entries?*entries:0,flags);

      if (This->acquired == 0)
        return DIERR_NOTACQUIRED;

        if (This->buffer == NULL)
          return DIERR_NOTBUFFERED;

        if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3))
          return DIERR_INVALIDPARAM;

        MsgWaitForMultipleObjectsEx(0, NULL, 0, QS_ALLINPUT, 0);

        EnterCriticalSection(&(This->crit));

        /* Copy item at a time for the case dodsize > sizeof(buffer[n]) */
        while ((i < *entries || *entries == INFINITE) && i < This->count)
          {
            if (dod != NULL)
              {
                int n = (This->start + i) % This->buffersize;
                LPDIDEVICEOBJECTDATA pd
                   = (LPDIDEVICEOBJECTDATA)((BYTE *)dod + dodsize * i);
                pd->dwOfs       = This->buffer[n].dwOfs;
                pd->dwData      = This->buffer[n].dwData;
                pd->dwTimeStamp = This->buffer[n].dwTimeStamp;
                pd->dwSequence  = This->buffer[n].dwSequence;
              }
            i++;
          }

        *entries = i;

        if (This->overflow)
          ret = DI_BUFFEROVERFLOW;

        if (!(flags & DIGDD_PEEK))
          {
            /* Empty buffer */
            This->count -= i;
            This->start = (This->start + i) % This->buffersize;
            This->overflow = FALSE;
          }

        LeaveCriticalSection(&(This->crit));

      TRACE("Returning %ld events queued\n", *entries);

        return ret;
}

static HRESULT WINAPI SysKeyboardAImpl_EnumObjects(
      LPDIRECTINPUTDEVICE8A iface,
      LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
      LPVOID lpvRef,
      DWORD dwFlags)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    DIDEVICEOBJECTINSTANCEA ddoi;
    int i;
    
    TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
    if (TRACE_ON(dinput)) {
        TRACE("  - flags = ");
      _dump_EnumObjects_flags(dwFlags);
      TRACE("\n");
    }

    /* Only the fields till dwFFMaxForce are relevant */
    memset(&ddoi, 0, sizeof(ddoi));
    ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);

    for (i = 0; i < WINE_DINPUT_KEYBOARD_MAX_KEYS; i++) {
        /* Report 255 keys :-) */
        ddoi.guidType = GUID_Key;
      ddoi.dwOfs = i;
      ddoi.dwType = DIDFT_MAKEINSTANCE(i) | DIDFT_BUTTON;
      GetKeyNameTextA(((i & 0x7f) << 16) | ((i & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));
      _dump_OBJECTINSTANCEA(&ddoi);
      if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) return DI_OK;
    }
    
    return DI_OK;
}

static HRESULT WINAPI SysKeyboardWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
                                       LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
                                       LPVOID lpvRef,
                                       DWORD dwFlags)
{
  SysKeyboardImpl *This = (SysKeyboardImpl *)iface;

  device_enumobjects_AtoWcb_data data;

  data.lpCallBack = lpCallback;
  data.lpvRef = lpvRef;

  return SysKeyboardAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
}

static HRESULT WINAPI SysKeyboardAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface);

static HRESULT WINAPI SysKeyboardAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;

      TRACE("(this=%p)\n",This);

        if (This->acquired)
          return S_FALSE;

        This->acquired = 1;

        if (current_lock != NULL) {
        FIXME("Not more than one keyboard can be acquired at the same time.\n");
        SysKeyboardAImpl_Unacquire(iface);
      }
      
        current_lock = This;

        if (This->buffersize > 0) {
        This->buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
                           This->buffersize * sizeof(*(This->buffer)));
        This->start = 0;
        This->count = 0;
        This->overflow = FALSE;
      } else {
          This->buffer = NULL;
      }

      /*keyboard_hook = SetWindowsHookExW( WH_KEYBOARD_LL, KeyboardCallback, DINPUT_instance, 0 );*/

      return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
{
      SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
      TRACE("(this=%p)\n",This);

        if (This->acquired == 0)
          return DI_NOEFFECT;

      /* No more locks */
        if (current_lock == This)
          current_lock = NULL;
        else
          ERR("this != current_lock\n");

      /* Unacquire device */
        This->acquired = 0;

        if (This->buffersize >= 0) {
        HeapFree(GetProcessHeap(), 0, This->buffer);
        This->buffer = NULL;
      }

      return DI_OK;
}

static HRESULT WINAPI SysKeyboardAImpl_SetEventNotification(LPDIRECTINPUTDEVICE8A iface,
                                              HANDLE hnd) {
  SysKeyboardImpl *This = (SysKeyboardImpl *)iface;

  TRACE("(this=%p,%p)\n",This,hnd);

  This->hEvent = hnd;
  return DI_OK;
}

/******************************************************************************
  *     GetCapabilities : get the device capablitites
  */
static HRESULT WINAPI SysKeyboardAImpl_GetCapabilities(
      LPDIRECTINPUTDEVICE8A iface,
      LPDIDEVCAPS lpDIDevCaps)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    DIDEVCAPS devcaps;

    TRACE("(this=%p,%p)\n",This,lpDIDevCaps);

    if ((lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) && (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS_DX3))) {
        WARN("invalid parameter\n");
        return DIERR_INVALIDPARAM;
    }
    
    devcaps.dwSize = lpDIDevCaps->dwSize;
    devcaps.dwFlags = DIDC_ATTACHED;
    if (This->dinput->dwVersion >= 0x0800)
      devcaps.dwDevType = DI8DEVTYPE_KEYBOARD | (DI8DEVTYPEKEYBOARD_UNKNOWN << 8);
    else
      devcaps.dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
    devcaps.dwAxes = 0;
    devcaps.dwButtons = WINE_DINPUT_KEYBOARD_MAX_KEYS;
    devcaps.dwPOVs = 0;
    devcaps.dwFFSamplePeriod = 0;
    devcaps.dwFFMinTimeResolution = 0;
    devcaps.dwFirmwareRevision = 100;
    devcaps.dwHardwareRevision = 100;
    devcaps.dwFFDriverVersion = 0;

    memcpy(lpDIDevCaps, &devcaps, lpDIDevCaps->dwSize);
    
    return DI_OK;
}

/******************************************************************************
  *     GetObjectInfo : get information about a device object such as a button
  *                     or axis
  */
static HRESULT WINAPI
SysKeyboardAImpl_GetObjectInfo(
      LPDIRECTINPUTDEVICE8A iface,
      LPDIDEVICEOBJECTINSTANCEA pdidoi,
      DWORD dwObj,
      DWORD dwHow)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    DIDEVICEOBJECTINSTANCEA ddoi;
    DWORD dwSize = pdidoi->dwSize;
    
    TRACE("(this=%p,%p,%ld,0x%08lx)\n", This, pdidoi, dwObj, dwHow);

    if (dwHow == DIPH_BYID) {
        WARN(" querying by id not supported yet...\n");
      return DI_OK;
    }

    memset(pdidoi, 0, dwSize);
    memset(&ddoi, 0, sizeof(ddoi));

    ddoi.dwSize = dwSize;
    ddoi.guidType = GUID_Key;
    ddoi.dwOfs = dwObj;
    ddoi.dwType = DIDFT_MAKEINSTANCE(dwObj) | DIDFT_BUTTON;
    GetKeyNameTextA(((dwObj & 0x7f) << 16) | ((dwObj & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));

    /* And return our just filled device object instance structure */
    memcpy(pdidoi, &ddoi, (dwSize < sizeof(ddoi) ? dwSize : sizeof(ddoi)));
    
    _dump_OBJECTINSTANCEA(pdidoi);

    return DI_OK;
}

static HRESULT WINAPI SysKeyboardWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
                                         LPDIDEVICEOBJECTINSTANCEW pdidoi,
                                         DWORD dwObj,
                                         DWORD dwHow)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    DIDEVICEOBJECTINSTANCEW ddoi;
    DWORD dwSize = pdidoi->dwSize;
    
    TRACE("(this=%p,%p,%ld,0x%08lx)\n", This, pdidoi, dwObj, dwHow);

    if (dwHow == DIPH_BYID) {
        WARN(" querying by id not supported yet...\n");
      return DI_OK;
    }

    memset(pdidoi, 0, dwSize);
    memset(&ddoi, 0, sizeof(ddoi));

    ddoi.dwSize = dwSize;
    ddoi.guidType = GUID_Key;
    ddoi.dwOfs = dwObj;
    ddoi.dwType = DIDFT_MAKEINSTANCE(dwObj) | DIDFT_BUTTON;
    GetKeyNameTextW(((dwObj & 0x7f) << 16) | ((dwObj & 0x80) << 17), ddoi.tszName, sizeof(ddoi.tszName));

    /* And return our just filled device object instance structure */
    memcpy(pdidoi, &ddoi, (dwSize < sizeof(ddoi) ? dwSize : sizeof(ddoi)));
    
    _dump_OBJECTINSTANCEW(pdidoi);

    return DI_OK;
}

/******************************************************************************
  *     GetDeviceInfo : get information about a device's identity
  */
static HRESULT WINAPI SysKeyboardAImpl_GetDeviceInfo(
      LPDIRECTINPUTDEVICE8A iface,
      LPDIDEVICEINSTANCEA pdidi)
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    TRACE("(this=%p,%p)\n", This, pdidi);

    if (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)) {
        WARN(" dinput3 not supported yet...\n");
      return DI_OK;
    }

    fill_keyboard_dideviceinstanceA(pdidi, This->dinput->dwVersion);
    
    return DI_OK;
}

static HRESULT WINAPI SysKeyboardWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface, LPDIDEVICEINSTANCEW pdidi) 
{
    SysKeyboardImpl *This = (SysKeyboardImpl *)iface;
    TRACE("(this=%p,%p)\n", This, pdidi);

    if (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)) {
        WARN(" dinput3 not supported yet...\n");
      return DI_OK;
    }

    fill_keyboard_dideviceinstanceW(pdidi, This->dinput->dwVersion);
    
    return DI_OK;
}

static const IDirectInputDevice8AVtbl SysKeyboardAvt =
{
      IDirectInputDevice2AImpl_QueryInterface,
      IDirectInputDevice2AImpl_AddRef,
      SysKeyboardAImpl_Release,
      SysKeyboardAImpl_GetCapabilities,
      SysKeyboardAImpl_EnumObjects,
      SysKeyboardAImpl_GetProperty,
      SysKeyboardAImpl_SetProperty,
      SysKeyboardAImpl_Acquire,
      SysKeyboardAImpl_Unacquire,
      SysKeyboardAImpl_GetDeviceState,
      SysKeyboardAImpl_GetDeviceData,
      IDirectInputDevice2AImpl_SetDataFormat,
      SysKeyboardAImpl_SetEventNotification,
      IDirectInputDevice2AImpl_SetCooperativeLevel,
      SysKeyboardAImpl_GetObjectInfo,
      SysKeyboardAImpl_GetDeviceInfo,
      IDirectInputDevice2AImpl_RunControlPanel,
      IDirectInputDevice2AImpl_Initialize,
      IDirectInputDevice2AImpl_CreateEffect,
      IDirectInputDevice2AImpl_EnumEffects,
      IDirectInputDevice2AImpl_GetEffectInfo,
      IDirectInputDevice2AImpl_GetForceFeedbackState,
      IDirectInputDevice2AImpl_SendForceFeedbackCommand,
      IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
      IDirectInputDevice2AImpl_Escape,
      IDirectInputDevice2AImpl_Poll,
        IDirectInputDevice2AImpl_SendDeviceData,
        IDirectInputDevice7AImpl_EnumEffectsInFile,
        IDirectInputDevice7AImpl_WriteEffectToFile,
        IDirectInputDevice8AImpl_BuildActionMap,
        IDirectInputDevice8AImpl_SetActionMap,
        IDirectInputDevice8AImpl_GetImageInfo
};

#if !defined(__STRICT_ANSI__) && defined(__GNUC__)
# define XCAST(fun)     (typeof(SysKeyboardWvt.fun))
#else
# define XCAST(fun)     (void*)
#endif

static const IDirectInputDevice8WVtbl SysKeyboardWvt =
{
      IDirectInputDevice2WImpl_QueryInterface,
      XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
      XCAST(Release)SysKeyboardAImpl_Release,
      XCAST(GetCapabilities)SysKeyboardAImpl_GetCapabilities,
      SysKeyboardWImpl_EnumObjects,
      XCAST(GetProperty)SysKeyboardAImpl_GetProperty,
      XCAST(SetProperty)SysKeyboardAImpl_SetProperty,
      XCAST(Acquire)SysKeyboardAImpl_Acquire,
      XCAST(Unacquire)SysKeyboardAImpl_Unacquire,
      XCAST(GetDeviceState)SysKeyboardAImpl_GetDeviceState,
      XCAST(GetDeviceData)SysKeyboardAImpl_GetDeviceData,
      XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
      XCAST(SetEventNotification)SysKeyboardAImpl_SetEventNotification,
      XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
      SysKeyboardWImpl_GetObjectInfo,
      SysKeyboardWImpl_GetDeviceInfo,
      XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
      XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
      XCAST(CreateEffect)IDirectInputDevice2AImpl_CreateEffect,
      IDirectInputDevice2WImpl_EnumEffects,
      IDirectInputDevice2WImpl_GetEffectInfo,
      XCAST(GetForceFeedbackState)IDirectInputDevice2AImpl_GetForceFeedbackState,
      XCAST(SendForceFeedbackCommand)IDirectInputDevice2AImpl_SendForceFeedbackCommand,
      XCAST(EnumCreatedEffectObjects)IDirectInputDevice2AImpl_EnumCreatedEffectObjects,
      XCAST(Escape)IDirectInputDevice2AImpl_Escape,
      XCAST(Poll)IDirectInputDevice2AImpl_Poll,
        XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
        IDirectInputDevice7WImpl_EnumEffectsInFile,
        IDirectInputDevice7WImpl_WriteEffectToFile,
        IDirectInputDevice8WImpl_BuildActionMap,
        IDirectInputDevice8WImpl_SetActionMap,
        IDirectInputDevice8WImpl_GetImageInfo
};
#undef XCAST

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