📄 mouse.c
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/* DirectInput Mouse 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 <stdarg.h>
#include <string.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.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"
#define MOUSE_HACK
WINE_DEFAULT_DEBUG_CHANNEL(dinput);
/* Wine mouse driver object instances */
#define WINE_MOUSE_X_AXIS_INSTANCE 0
#define WINE_MOUSE_Y_AXIS_INSTANCE 1
#define WINE_MOUSE_Z_AXIS_INSTANCE 2
#define WINE_MOUSE_L_BUTTON_INSTANCE 0
#define WINE_MOUSE_R_BUTTON_INSTANCE 1
#define WINE_MOUSE_M_BUTTON_INSTANCE 2
#define WINE_MOUSE_D_BUTTON_INSTANCE 3
/* ------------------------------- */
/* Wine mouse internal data format */
/* ------------------------------- */
/* Constants used to access the offset array */
#define WINE_MOUSE_X_POSITION 0
#define WINE_MOUSE_Y_POSITION 1
#define WINE_MOUSE_Z_POSITION 2
#define WINE_MOUSE_L_POSITION 3
#define WINE_MOUSE_R_POSITION 4
#define WINE_MOUSE_M_POSITION 5
typedef struct {
LONG lX;
LONG lY;
LONG lZ;
BYTE rgbButtons[4];
} Wine_InternalMouseData;
#define WINE_INTERNALMOUSE_NUM_OBJS 6
static const DIOBJECTDATAFORMAT Wine_InternalMouseObjectFormat[WINE_INTERNALMOUSE_NUM_OBJS] = {
{ &GUID_XAxis, FIELD_OFFSET(Wine_InternalMouseData, lX),
DIDFT_MAKEINSTANCE(WINE_MOUSE_X_AXIS_INSTANCE) | DIDFT_RELAXIS, 0 },
{ &GUID_YAxis, FIELD_OFFSET(Wine_InternalMouseData, lY),
DIDFT_MAKEINSTANCE(WINE_MOUSE_Y_AXIS_INSTANCE) | DIDFT_RELAXIS, 0 },
{ &GUID_ZAxis, FIELD_OFFSET(Wine_InternalMouseData, lZ),
DIDFT_MAKEINSTANCE(WINE_MOUSE_Z_AXIS_INSTANCE) | DIDFT_RELAXIS, 0 },
{ &GUID_Button, (FIELD_OFFSET(Wine_InternalMouseData, rgbButtons)) + 0,
DIDFT_MAKEINSTANCE(WINE_MOUSE_L_BUTTON_INSTANCE) | DIDFT_PSHBUTTON, 0 },
{ &GUID_Button, (FIELD_OFFSET(Wine_InternalMouseData, rgbButtons)) + 1,
DIDFT_MAKEINSTANCE(WINE_MOUSE_R_BUTTON_INSTANCE) | DIDFT_PSHBUTTON, 0 },
{ &GUID_Button, (FIELD_OFFSET(Wine_InternalMouseData, rgbButtons)) + 2,
DIDFT_MAKEINSTANCE(WINE_MOUSE_M_BUTTON_INSTANCE) | DIDFT_PSHBUTTON, 0 }
};
static const DIDATAFORMAT Wine_InternalMouseFormat = {
0, /* dwSize - unused */
0, /* dwObjsize - unused */
0, /* dwFlags - unused */
sizeof(Wine_InternalMouseData),
WINE_INTERNALMOUSE_NUM_OBJS, /* dwNumObjs */
(LPDIOBJECTDATAFORMAT) Wine_InternalMouseObjectFormat
};
static const IDirectInputDevice8AVtbl SysMouseAvt;
static const IDirectInputDevice8WVtbl SysMouseWvt;
typedef struct SysMouseImpl SysMouseImpl;
typedef enum {
WARP_DONE, /* Warping has been done */
WARP_NEEDED, /* Warping is needed */
WARP_STARTED /* Warping has been done, waiting for the warp event */
} WARP_STATUS;
struct SysMouseImpl
{
const void *lpVtbl;
LONG ref;
GUID guid;
IDirectInputImpl *dinput;
/* The current data format and the conversion between internal
and external data formats */
DIDATAFORMAT *df;
DataFormat *wine_df;
int offset_array[WINE_INTERNALMOUSE_NUM_OBJS];
/* SysMouseAImpl */
BYTE absolute;
/* Previous position for relative moves */
LONG prevX, prevY;
/* These are used in case of relative -> absolute transitions */
POINT org_coords;
HHOOK hook;
HWND win;
DWORD dwCoopLevel;
POINT mapped_center;
DWORD win_centerX, win_centerY;
LPDIDEVICEOBJECTDATA data_queue;
int queue_head, queue_tail, queue_len;
BOOL overflow;
/* warping: whether we need to move mouse back to middle once we
* reach window borders (for e.g. shooters, "surface movement" games) */
WARP_STATUS need_warp;
int acquired;
HANDLE hEvent;
CRITICAL_SECTION crit;
/* This is for mouse reporting. */
Wine_InternalMouseData m_state;
};
/* FIXME: This is ugly and not thread safe :/ */
static IDirectInputDevice8A* current_lock = NULL;
/* FIXME: This is ugly but needed on Windows */
static int mouse_set = 0;
static GUID DInput_Wine_Mouse_GUID = { /* 9e573ed8-7734-11d2-8d4a-23903fb6bdf7 */
0x9e573ed8,
0x7734,
0x11d2,
{0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
};
static void fill_mouse_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_SysMouse;/* DInput's GUID */
ddi.guidProduct = DInput_Wine_Mouse_GUID; /* Vendor's GUID */
if (version >= 0x0800)
ddi.dwDevType = DI8DEVTYPE_MOUSE | (DI8DEVTYPEMOUSE_TRADITIONAL << 8);
else
ddi.dwDevType = DIDEVTYPE_MOUSE | (DIDEVTYPEMOUSE_TRADITIONAL << 8);
strcpy(ddi.tszInstanceName, "Mouse");
strcpy(ddi.tszProductName, "Wine Mouse");
memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
}
static void fill_mouse_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_SysMouse;/* DInput's GUID */
ddi.guidProduct = DInput_Wine_Mouse_GUID; /* Vendor's GUID */
if (version >= 0x0800)
ddi.dwDevType = DI8DEVTYPE_MOUSE | (DI8DEVTYPEMOUSE_TRADITIONAL << 8);
else
ddi.dwDevType = DIDEVTYPE_MOUSE | (DIDEVTYPEMOUSE_TRADITIONAL << 8);
MultiByteToWideChar(CP_ACP, 0, "Mouse", -1, ddi.tszInstanceName, MAX_PATH);
MultiByteToWideChar(CP_ACP, 0, "Wine Mouse", -1, ddi.tszProductName, MAX_PATH);
memcpy(lpddi, &ddi, (dwSize < sizeof(ddi) ? dwSize : sizeof(ddi)));
}
static BOOL mousedev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
{
if (id != 0)
return FALSE;
if ((dwDevType == 0) ||
((dwDevType == DIDEVTYPE_MOUSE) && (version < 0x0800)) ||
(((dwDevType == DI8DEVCLASS_POINTER) || (dwDevType == DI8DEVTYPE_MOUSE)) && (version >= 0x0800))) {
TRACE("Enumerating the mouse device\n");
fill_mouse_dideviceinstanceA(lpddi, version);
return TRUE;
}
return FALSE;
}
static BOOL mousedev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
{
if (id != 0)
return FALSE;
if ((dwDevType == 0) ||
((dwDevType == DIDEVTYPE_MOUSE) && (version < 0x0800)) ||
(((dwDevType == DI8DEVCLASS_POINTER) || (dwDevType == DI8DEVTYPE_MOUSE)) && (version >= 0x0800))) {
TRACE("Enumerating the mouse device\n");
fill_mouse_dideviceinstanceW(lpddi, version);
return TRUE;
}
return FALSE;
}
static SysMouseImpl *alloc_device(REFGUID rguid, const void *mvt, IDirectInputImpl *dinput)
{
int offset_array[WINE_INTERNALMOUSE_NUM_OBJS] = {
FIELD_OFFSET(Wine_InternalMouseData, lX),
FIELD_OFFSET(Wine_InternalMouseData, lY),
FIELD_OFFSET(Wine_InternalMouseData, lZ),
FIELD_OFFSET(Wine_InternalMouseData, rgbButtons) + 0,
FIELD_OFFSET(Wine_InternalMouseData, rgbButtons) + 1,
FIELD_OFFSET(Wine_InternalMouseData, rgbButtons) + 2
};
SysMouseImpl* newDevice;
newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(SysMouseImpl));
newDevice->ref = 1;
newDevice->lpVtbl = mvt;
InitializeCriticalSection(&(newDevice->crit));
memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
/* Per default, Wine uses its internal data format */
newDevice->df = (DIDATAFORMAT *) &Wine_InternalMouseFormat;
memcpy(newDevice->offset_array, offset_array, WINE_INTERNALMOUSE_NUM_OBJS * sizeof(int));
newDevice->wine_df = HeapAlloc(GetProcessHeap(), 0, sizeof(DataFormat));
newDevice->wine_df->size = 0;
newDevice->wine_df->internal_format_size = Wine_InternalMouseFormat.dwDataSize;
newDevice->wine_df->dt = NULL;
newDevice->dinput = dinput;
return newDevice;
}
static HRESULT mousedev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
{
if ((IsEqualGUID(&GUID_SysMouse,rguid)) || /* Generic Mouse */
(IsEqualGUID(&DInput_Wine_Mouse_GUID,rguid))) { /* Wine Mouse */
if ((riid == NULL) ||
IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
*pdev = (IDirectInputDeviceA*) alloc_device(rguid, &SysMouseAvt, dinput);
TRACE("Creating a Mouse device (%p)\n", *pdev);
return DI_OK;
} else
return DIERR_NOINTERFACE;
}
return DIERR_DEVICENOTREG;
}
static HRESULT mousedev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
{
if ((IsEqualGUID(&GUID_SysMouse,rguid)) || /* Generic Mouse */
(IsEqualGUID(&DInput_Wine_Mouse_GUID,rguid))) { /* Wine Mouse */
if ((riid == NULL) ||
IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
*pdev = (IDirectInputDeviceW*) alloc_device(rguid, &SysMouseWvt, dinput);
TRACE("Creating a Mouse device (%p)\n", *pdev);
return DI_OK;
} else
return DIERR_NOINTERFACE;
}
return DIERR_DEVICENOTREG;
}
const struct dinput_device mouse_device = {
"Wine mouse driver",
mousedev_enum_deviceA,
mousedev_enum_deviceW,
mousedev_create_deviceA,
mousedev_create_deviceW
};
/******************************************************************************
* SysMouseA (DInput Mouse support)
*/
/******************************************************************************
* Release : release the mouse buffer.
*/
static ULONG WINAPI SysMouseAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
{
SysMouseImpl *This = (SysMouseImpl *)iface;
ULONG ref;
ref = InterlockedDecrement(&(This->ref));
if (ref)
return ref;
/* Free the data queue */
HeapFree(GetProcessHeap(),0,This->data_queue);
if (This->hook) {
UnhookWindowsHookEx( This->hook );
if (This->dwCoopLevel & DISCL_EXCLUSIVE)
ShowCursor(TRUE); /* show cursor */
}
DeleteCriticalSection(&(This->crit));
/* Free the DataFormat */
if (This->df != &(Wine_InternalMouseFormat)) {
HeapFree(GetProcessHeap(), 0, This->df->rgodf);
HeapFree(GetProcessHeap(), 0, This->df);
}
HeapFree(GetProcessHeap(),0,This);
return 0;
}
/******************************************************************************
* SetCooperativeLevel : store the window in which we will do our
* grabbing.
*/
static HRESULT WINAPI SysMouseAImpl_SetCooperativeLevel(
LPDIRECTINPUTDEVICE8A iface,HWND hwnd,DWORD dwflags
)
{
SysMouseImpl *This = (SysMouseImpl *)iface;
TRACE("(this=%p,%p,0x%08lx)\n",This,hwnd,dwflags);
if (TRACE_ON(dinput)) {
TRACE(" cooperative level : ");
_dump_cooperativelevel_DI(dwflags);
}
/* Store the window which asks for the mouse */
if (!hwnd)
hwnd = GetDesktopWindow();
This->win = hwnd;
This->dwCoopLevel = dwflags;
return DI_OK;
}
/******************************************************************************
* SetDataFormat : the application can choose the format of the data
* the device driver sends back with GetDeviceState.
*
* For the moment, only the "standard" configuration (c_dfDIMouse) is supported
* in absolute and relative mode.
*/
static HRESULT WINAPI SysMouseAImpl_SetDataFormat(
LPDIRECTINPUTDEVICE8A iface,LPCDIDATAFORMAT df
)
{
SysMouseImpl *This = (SysMouseImpl *)iface;
TRACE("(this=%p,%p)\n",This,df);
_dump_DIDATAFORMAT(df);
/* Tests under windows show that a call to SetDataFormat always sets the mouse
in relative mode whatever the dwFlags value (DIDF_ABSAXIS/DIDF_RELAXIS).
To switch in absolute mode, SetProperty must be used. */
This->absolute = 0;
/* Store the new data format */
This->df = HeapAlloc(GetProcessHeap(),0,df->dwSize);
memcpy(This->df, df, df->dwSize);
This->df->rgodf = HeapAlloc(GetProcessHeap(),0,df->dwNumObjs*df->dwObjSize);
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