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Sweden-Number/dlls/dinput/keyboard/main.c

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/* DirectInput Keyboard device
*
* Copyright 1998 Marcus Meissner
* Copyright 1998,1999 Lionel Ulmer
* Copyright 2000-2001 TransGaming Technologies Inc.
*
* 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 <string.h>
#ifdef HAVE_SYS_ERRNO_H
# include <sys/errno.h>
#endif
#include "winbase.h"
#include "winuser.h"
#include "winerror.h"
#include "dinput.h"
#include "dinput_private.h"
#include "device_private.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(dinput);
static ICOM_VTABLE(IDirectInputDevice8A) SysKeyboardAvt;
typedef struct SysKeyboardAImpl SysKeyboardAImpl;
struct SysKeyboardAImpl
{
LPVOID lpVtbl;
DWORD ref;
GUID guid;
IDirectInputAImpl *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;
};
SysKeyboardAImpl *current; /* 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[256]; /* array for 'GetDeviceState' */
HHOOK keyboard_hook;
LRESULT CALLBACK KeyboardCallback( int code, WPARAM wparam, LPARAM lparam )
{
TRACE("(%d,%d,%ld)\n", code, wparam, lparam);
if (code == HC_ACTION)
{
BYTE dik_code;
BOOL down;
DWORD timestamp;
{
KBDLLHOOKSTRUCT *hook = (KBDLLHOOKSTRUCT *)lparam;
dik_code = hook->scanCode;
if (hook->flags & LLKHF_EXTENDED) dik_code |= 0x80;
down = !(hook->flags & LLKHF_UP);
timestamp = hook->time;
}
DInputKeyState[dik_code] = (down ? 0x80 : 0);
if (current != NULL)
{
if (current->hEvent)
SetEvent(current->hEvent);
if (current->buffer != NULL)
{
int n;
EnterCriticalSection(&(current->crit));
n = (current->start + current->count) % current->buffersize;
current->buffer[n].dwOfs = dik_code;
current->buffer[n].dwData = down ? 0x80 : 0;
current->buffer[n].dwTimeStamp = timestamp;
current->buffer[n].dwSequence = current->dinput->evsequence++;
TRACE("Adding event at offset %d : %ld - %ld - %ld - %ld\n", n,
current->buffer[n].dwOfs, current->buffer[n].dwData, current->buffer[n].dwTimeStamp, current->buffer[n].dwSequence);
if (current->count == current->buffersize)
{
current->start++;
current->overflow = TRUE;
}
else
current->count++;
LeaveCriticalSection(&(current->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 BOOL keyboarddev_enum_device(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi)
{
if ((dwDevType == 0) || (dwDevType == DIDEVTYPE_KEYBOARD)) {
TRACE("Enumerating the Keyboard device\n");
lpddi->guidInstance = GUID_SysKeyboard;/* DInput's GUID */
lpddi->guidProduct = DInput_Wine_Keyboard_GUID; /* Vendor's GUID */
lpddi->dwDevType = DIDEVTYPE_KEYBOARD | (DIDEVTYPEKEYBOARD_UNKNOWN << 8);
strcpy(lpddi->tszInstanceName, "Keyboard");
strcpy(lpddi->tszProductName, "Wine Keyboard");
return TRUE;
}
return FALSE;
}
static SysKeyboardAImpl *alloc_device(REFGUID rguid, LPVOID kvt, IDirectInputAImpl *dinput)
{
SysKeyboardAImpl* newDevice;
newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(SysKeyboardAImpl));
newDevice->lpVtbl = kvt;
newDevice->ref = 1;
memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
newDevice->dinput = dinput;
return newDevice;
}
static HRESULT keyboarddev_create_device(IDirectInputAImpl *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 dinput_device keyboarddev = {
100,
keyboarddev_enum_device,
keyboarddev_create_device
};
DECL_GLOBAL_CONSTRUCTOR(keyboarddev_register) { dinput_register_device(&keyboarddev); }
static HRESULT WINAPI SysKeyboardAImpl_SetProperty(
LPDIRECTINPUTDEVICE8A iface,REFGUID rguid,LPCDIPROPHEADER ph
)
{
ICOM_THIS(SysKeyboardAImpl,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 ((DWORD)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 %ld\n",(DWORD)rguid);
break;
}
}
return 0;
}
static HRESULT WINAPI SysKeyboardAImpl_GetDeviceState(
LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
)
{
/* Note: device does not need to be acquired */
if (len != 256)
return DIERR_INVALIDPARAM;
memcpy(ptr, DInputKeyState, 256);
return DI_OK;
}
static HRESULT WINAPI SysKeyboardAImpl_GetDeviceData(
LPDIRECTINPUTDEVICE8A iface,DWORD dodsize,LPDIDEVICEOBJECTDATA dod,
LPDWORD entries,DWORD flags
)
{
ICOM_THIS(SysKeyboardAImpl,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(*dod))
return DIERR_INVALIDPARAM;
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_Unacquire(LPDIRECTINPUTDEVICE8A iface);
static HRESULT WINAPI SysKeyboardAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
{
ICOM_THIS(SysKeyboardAImpl,iface);
TRACE("(this=%p)\n",This);
if (This->acquired)
return S_FALSE;
This->acquired = 1;
if (current != NULL)
{
FIXME("Not more than one keyboard can be acquired at the same time.\n");
SysKeyboardAImpl_Unacquire(iface);
}
current = 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;
InitializeCriticalSection(&(This->crit));
}
else
This->buffer = NULL;
return DI_OK;
}
static HRESULT WINAPI SysKeyboardAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
{
ICOM_THIS(SysKeyboardAImpl,iface);
TRACE("(this=%p)\n",This);
if (This->acquired == 0)
return DI_NOEFFECT;
if (current == This)
current = NULL;
else
ERR("this != current\n");
This->acquired = 0;
if (This->buffersize >= 0)
{
HeapFree(GetProcessHeap(), 0, This->buffer);
This->buffer = NULL;
DeleteCriticalSection(&(This->crit));
}
return DI_OK;
}
static HRESULT WINAPI SysKeyboardAImpl_SetEventNotification(LPDIRECTINPUTDEVICE8A iface,
HANDLE hnd) {
ICOM_THIS(SysKeyboardAImpl,iface);
TRACE("(this=%p,0x%08lx)\n",This,(DWORD)hnd);
This->hEvent = hnd;
return DI_OK;
}
/******************************************************************************
* GetCapabilities : get the device capablitites
*/
static HRESULT WINAPI SysKeyboardAImpl_GetCapabilities(
LPDIRECTINPUTDEVICE8A iface,
LPDIDEVCAPS lpDIDevCaps)
{
ICOM_THIS(SysKeyboardAImpl,iface);
TRACE("(this=%p,%p)\n",This,lpDIDevCaps);
if (lpDIDevCaps->dwSize == sizeof(DIDEVCAPS)) {
lpDIDevCaps->dwFlags = DIDC_ATTACHED;
lpDIDevCaps->dwDevType = DIDEVTYPE_KEYBOARD;
lpDIDevCaps->dwAxes = 0;
lpDIDevCaps->dwButtons = 0;
lpDIDevCaps->dwPOVs = 0;
lpDIDevCaps->dwFFSamplePeriod = 0;
lpDIDevCaps->dwFFMinTimeResolution = 0;
lpDIDevCaps->dwFirmwareRevision = 100;
lpDIDevCaps->dwHardwareRevision = 100;
lpDIDevCaps->dwFFDriverVersion = 0;
} else {
/* DirectX 3.0 */
FIXME("DirectX 3.0 not supported....\n");
}
return DI_OK;
}
static ICOM_VTABLE(IDirectInputDevice8A) SysKeyboardAvt =
{
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
IDirectInputDevice2AImpl_QueryInterface,
IDirectInputDevice2AImpl_AddRef,
IDirectInputDevice2AImpl_Release,
SysKeyboardAImpl_GetCapabilities,
IDirectInputDevice2AImpl_EnumObjects,
IDirectInputDevice2AImpl_GetProperty,
SysKeyboardAImpl_SetProperty,
SysKeyboardAImpl_Acquire,
SysKeyboardAImpl_Unacquire,
SysKeyboardAImpl_GetDeviceState,
SysKeyboardAImpl_GetDeviceData,
IDirectInputDevice2AImpl_SetDataFormat,
SysKeyboardAImpl_SetEventNotification,
IDirectInputDevice2AImpl_SetCooperativeLevel,
IDirectInputDevice2AImpl_GetObjectInfo,
IDirectInputDevice2AImpl_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
};
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