dlls/dinput/joystick_linuxinput.c

   1 /*              DirectInput Joystick device
   2  *
   3  * Copyright 1998,2000 Marcus Meissner
   4  * Copyright 1998,1999 Lionel Ulmer
   5  * Copyright 2000-2001 TransGaming Technologies Inc.
   6  * Copyright 2005 Daniel Remenak
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <assert.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <time.h>
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #ifdef HAVE_SYS_TIME_H
  35 # include <sys/time.h>
  36 #endif
  37 #include <fcntl.h>
  38 #ifdef HAVE_SYS_IOCTL_H
  39 # include <sys/ioctl.h>
  40 #endif
  41 #include <errno.h>
  42 #ifdef HAVE_SYS_ERRNO_H
  43 # include <sys/errno.h>
  44 #endif
  45 #ifdef HAVE_LINUX_INPUT_H
  46 # include <linux/input.h>
  47 # undef SW_MAX
  48 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
  49 #  define HAVE_CORRECT_LINUXINPUT_H
  50 # endif
  51 #endif
  52 #ifdef HAVE_SYS_POLL_H
  53 # include <sys/poll.h>
  54 #endif
  55
  56 #include "wine/debug.h"
  57 #include "wine/unicode.h"
  58 #include "wine/list.h"
  59 #include "windef.h"
  60 #include "winbase.h"
  61 #include "winerror.h"
  62 #include "winreg.h"
  63 #include "dinput.h"
  64
  65 #include "dinput_private.h"
  66 #include "device_private.h"
  67
  68 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  69
  70
  71 /*
  72  * Maps POV x & y event values to a DX "clock" position:
  73  *         0
  74  *   31500    4500
  75  * 27000  -1    9000
  76  *   22500   13500
  77  *       18000
  78  */
  79 DWORD joystick_map_pov(POINTL *p)
  80 {
  81     if (p->x > 0)
  82         return p->y < 0 ?  4500 : !p->y ?  9000 : 13500;
  83     else if (p->x < 0)
  84         return p->y < 0 ? 31500 : !p->y ? 27000 : 22500;
  85     else
  86         return p->y < 0 ?     0 : !p->y ?    -1 : 18000;
  87 }
  88
  89 /*
  90  * This maps the read value (from the input event) to a value in the
  91  * 'wanted' range.
  92  * Notes:
  93  *   Dead zone is in % multiplied by a 100 (range 0..10000)
  94  */
  95 LONG joystick_map_axis(ObjProps *props, int val)
  96 {
  97     LONG ret;
  98     LONG dead_zone = MulDiv( props->lDeadZone, props->lDevMax - props->lDevMin, 10000 );
  99     LONG dev_range = props->lDevMax - props->lDevMin - dead_zone;
 100
 101     /* Center input */
 102     val -= (props->lDevMin + props->lDevMax) / 2;
 103
 104     /* Remove dead zone */
 105     if (abs( val ) <= dead_zone / 2)
 106         val = 0;
 107     else
 108         val = val < 0 ? val + dead_zone / 2 : val - dead_zone / 2;
 109
 110     /* Scale and map the value from the device range into the required range */
 111     ret = MulDiv( val, props->lMax - props->lMin, dev_range ) +
 112           (props->lMin + props->lMax) / 2;
 113
 114     /* Clamp in case or rounding errors */
 115     if      (ret > props->lMax) ret = props->lMax;
 116     else if (ret < props->lMin) ret = props->lMin;
 117
 118     TRACE( "(%d <%d> %d) -> (%d <%d> %d): val=%d ret=%d\n",
 119            props->lDevMin, dead_zone, props->lDevMax,
 120            props->lMin, props->lDeadZone, props->lMax,
 121            val, ret );
 122
 123     return ret;
 124 }
 125
 126 #ifdef HAVE_CORRECT_LINUXINPUT_H
 127
 128 #define EVDEVPREFIX     "/dev/input/event"
 129
 130 /* Wine joystick driver object instances */
 131 #define WINE_JOYSTICK_MAX_AXES    8
 132 #define WINE_JOYSTICK_MAX_POVS    4
 133 #define WINE_JOYSTICK_MAX_BUTTONS 128
 134
 135 struct wine_input_absinfo {
 136     LONG value;
 137     LONG minimum;
 138     LONG maximum;
 139     LONG fuzz;
 140     LONG flat;
 141 };
 142
 143 /* implemented in effect_linuxinput.c */
 144 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, struct list *parent_list_entry, LPDIRECTINPUTEFFECT* peff);
 145 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
 146 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
 147
 148 typedef struct JoystickImpl JoystickImpl;
 149 static const IDirectInputDevice8AVtbl JoystickAvt;
 150 static const IDirectInputDevice8WVtbl JoystickWvt;
 151
 152 struct JoyDev {
 153         char *device;
 154         char *name;
 155         GUID guid;
 156
 157         int has_ff;
 158         int num_effects;
 159
 160         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 161         BYTE                            evbits[(EV_MAX+7)/8];
 162         BYTE                            absbits[(ABS_MAX+7)/8];
 163         BYTE                            keybits[(KEY_MAX+7)/8];
 164         BYTE                            ffbits[(FF_MAX+7)/8];
 165
 166         /* data returned by the EVIOCGABS() ioctl */
 167         struct wine_input_absinfo       axes[ABS_MAX];
 168 };
 169
 170 struct JoystickImpl
 171 {
 172         struct IDirectInputDevice2AImpl base;
 173
 174         struct JoyDev                  *joydev;
 175
 176         /* joystick private */
 177         int                             joyfd;
 178
 179         DIJOYSTATE2                     js;
 180
 181         ObjProps                        props[ABS_MAX];
 182
 183         int                             axes[ABS_MAX];
 184         POINTL                          povs[4];
 185
 186         /* LUT for KEY_ to offset in rgbButtons */
 187         BYTE                            buttons[KEY_MAX];
 188
 189         DWORD                           numAxes;
 190         DWORD                           numPOVs;
 191         DWORD                           numButtons;
 192
 193         /* Force feedback variables */
 194         struct list                     ff_effects;
 195         int                             ff_state;
 196 };
 197
 198 static void fake_current_js_state(JoystickImpl *ji);
 199 static void find_joydevs(void);
 200
 201 /* This GUID is slightly different from the linux joystick one. Take note. */
 202 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 203   0x9e573eda,
 204   0x7734,
 205   0x11d2,
 206   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 207 };
 208
 209 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 210
 211 #define MAX_JOYDEV 64
 212
 213 static int have_joydevs = -1;
 214 static struct JoyDev *joydevs = NULL;
 215
 216 static void find_joydevs(void)
 217 {
 218   int i;
 219
 220   if (have_joydevs!=-1) {
 221     return;
 222   }
 223
 224   have_joydevs = 0;
 225
 226   for (i=0;i<MAX_JOYDEV;i++) {
 227     char        buf[MAX_PATH];
 228     struct JoyDev joydev = {0};
 229     int fd;
 230     int no_ff_check = 0;
 231     int j;
 232
 233     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 234     buf[MAX_PATH-1] = 0;
 235
 236     if ((fd=open(buf, O_RDWR))==-1) {
 237       fd = open(buf, O_RDONLY);
 238       no_ff_check = 1;
 239     }
 240
 241     if (fd!=-1) {
 242
 243       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 244         perror("EVIOCGBIT 0");
 245         close(fd);
 246         continue;
 247       }
 248       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 249         perror("EVIOCGBIT EV_ABS");
 250         close(fd);
 251         continue;
 252       }
 253       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 254         perror("EVIOCGBIT EV_KEY");
 255         close(fd);
 256         continue;
 257       }
 258       /* A true joystick has at least axis X and Y, and at least 1
 259        * button. copied from linux/drivers/input/joydev.c */
 260       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 261           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 262               test_bit(joydev.keybits,BTN_A)    ||
 263               test_bit(joydev.keybits,BTN_1)
 264           )
 265          ) {
 266
 267         joydev.device = strdup(buf);
 268
 269         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 270           buf[MAX_PATH-1] = 0;
 271           joydev.name = strdup(buf);
 272         } else {
 273           joydev.name = joydev.device;
 274         }
 275
 276         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 277         joydev.guid.Data3 += have_joydevs;
 278
 279         TRACE("Found a joystick on %s: %s (%s)\n",
 280             joydev.device, joydev.name,
 281             debugstr_guid(&joydev.guid)
 282             );
 283
 284 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 285         if (!no_ff_check &&
 286             test_bit(joydev.evbits, EV_FF) &&
 287             ioctl(fd, EVIOCGBIT(EV_FF, sizeof(joydev.ffbits)), joydev.ffbits) != -1 &&
 288             ioctl(fd, EVIOCGEFFECTS, &joydev.num_effects) != -1 &&
 289             joydev.num_effects > 0)
 290         {
 291             TRACE(" ... with force feedback\n");
 292             joydev.has_ff = 1;
 293         }
 294 #endif
 295
 296         for (j=0;j<ABS_MAX;j++) {
 297           if (test_bit(joydev.absbits,j)) {
 298             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 299               TRACE(" ... with axis %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 300                   j,
 301                   joydev.axes[j].value,
 302                   joydev.axes[j].minimum,
 303                   joydev.axes[j].maximum,
 304                   joydev.axes[j].fuzz,
 305                   joydev.axes[j].flat
 306                   );
 307             }
 308           }
 309         }
 310
 311         if (have_joydevs==0) {
 312           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 313         } else {
 314           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 315         }
 316         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 317         have_joydevs++;
 318       }
 319
 320       close(fd);
 321     }
 322   }
 323 }
 324
 325 static void fill_joystick_dideviceinstanceA(LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 326 {
 327     DWORD dwSize = lpddi->dwSize;
 328
 329     TRACE("%d %p\n", dwSize, lpddi);
 330     memset(lpddi, 0, dwSize);
 331
 332     lpddi->dwSize       = dwSize;
 333     lpddi->guidInstance = joydevs[id].guid;
 334     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 335     lpddi->guidFFDriver = GUID_NULL;
 336
 337     if (version >= 0x0800)
 338         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 339     else
 340         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 341
 342     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 343     strcpy(lpddi->tszProductName, joydevs[id].device);
 344 }
 345
 346 static void fill_joystick_dideviceinstanceW(LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 347 {
 348     DWORD dwSize = lpddi->dwSize;
 349
 350     TRACE("%d %p\n", dwSize, lpddi);
 351     memset(lpddi, 0, dwSize);
 352
 353     lpddi->dwSize       = dwSize;
 354     lpddi->guidInstance = joydevs[id].guid;
 355     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 356     lpddi->guidFFDriver = GUID_NULL;
 357
 358     if (version >= 0x0800)
 359         lpddi->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 360     else
 361         lpddi->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 362
 363     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 364     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 365 }
 366
 367 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 368 {
 369   find_joydevs();
 370
 371   if (id >= have_joydevs) {
 372     return FALSE;
 373   }
 374
 375   if (!((dwDevType == 0) ||
 376         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 377         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 378     return FALSE;
 379
 380 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 381   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 382     return FALSE;
 383 #endif
 384
 385   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 386     fill_joystick_dideviceinstanceA(lpddi, version, id);
 387     return TRUE;
 388   }
 389   return FALSE;
 390 }
 391
 392 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 393 {
 394   find_joydevs();
 395
 396   if (id >= have_joydevs) {
 397     return FALSE;
 398   }
 399
 400   if (!((dwDevType == 0) ||
 401         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version > 0x0300 && version < 0x0800)) ||
 402         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 403     return FALSE;
 404
 405 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 406   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 407     return FALSE;
 408 #endif
 409
 410   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 411     fill_joystick_dideviceinstanceW(lpddi, version, id);
 412     return TRUE;
 413   }
 414   return FALSE;
 415 }
 416
 417 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, unsigned short index)
 418 {
 419     JoystickImpl* newDevice;
 420     LPDIDATAFORMAT df = NULL;
 421     int i, idx = 0;
 422     char buffer[MAX_PATH+16];
 423     HKEY hkey, appkey;
 424     LONG def_deadzone = 0;
 425
 426     newDevice = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(JoystickImpl));
 427     if (!newDevice) return NULL;
 428
 429     newDevice->base.lpVtbl = jvt;
 430     newDevice->base.ref    = 1;
 431     newDevice->base.guid   = *rguid;
 432     newDevice->base.dinput = dinput;
 433     newDevice->joyfd       = -1;
 434     newDevice->joydev      = &joydevs[index];
 435     list_init(&newDevice->ff_effects);
 436 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 437     newDevice->ff_state    = FF_STATUS_STOPPED;
 438 #endif
 439     InitializeCriticalSection(&newDevice->base.crit);
 440     newDevice->base.crit.DebugInfo->Spare[0] = (DWORD_PTR)(__FILE__ ": JoystickImpl*->base.crit");
 441
 442     /* get options */
 443     get_app_key(&hkey, &appkey);
 444
 445     if (!get_config_key(hkey, appkey, "DefaultDeadZone", buffer, MAX_PATH))
 446     {
 447         def_deadzone = atoi(buffer);
 448         TRACE("setting default deadzone to: %d\n", def_deadzone);
 449     }
 450     if (appkey) RegCloseKey(appkey);
 451     if (hkey) RegCloseKey(hkey);
 452
 453     /* Create copy of default data format */
 454     if (!(df = HeapAlloc(GetProcessHeap(), 0, c_dfDIJoystick2.dwSize))) goto failed;
 455     memcpy(df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 456     if (!(df->rgodf = HeapAlloc(GetProcessHeap(), 0, df->dwNumObjs * df->dwObjSize))) goto failed;
 457
 458     /* Supported Axis & POVs should map 1-to-1 */
 459     for (i = 0; i < WINE_JOYSTICK_MAX_AXES; i++)
 460     {
 461         if (!test_bit(newDevice->joydev->absbits, i)) {
 462             newDevice->axes[i] = -1;
 463             continue;
 464         }
 465
 466         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i], df->dwObjSize);
 467         newDevice->axes[i] = idx;
 468         newDevice->props[idx].lDevMin = newDevice->joydev->axes[i].minimum;
 469         newDevice->props[idx].lDevMax = newDevice->joydev->axes[i].maximum;
 470         newDevice->props[idx].lMin    = 0;
 471         newDevice->props[idx].lMax    = 0xffff;
 472         newDevice->props[idx].lSaturation = 0;
 473         newDevice->props[idx].lDeadZone = def_deadzone;
 474
 475         /* Linux supports force-feedback on X & Y axes only */
 476         if (newDevice->joydev->has_ff && (i == 0 || i == 1))
 477             df->rgodf[idx].dwFlags |= DIDOI_FFACTUATOR;
 478
 479         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numAxes++) | DIDFT_ABSAXIS;
 480     }
 481
 482     for (i = 0; i < WINE_JOYSTICK_MAX_POVS; i++)
 483     {
 484         if (!test_bit(newDevice->joydev->absbits, ABS_HAT0X + i * 2) ||
 485             !test_bit(newDevice->joydev->absbits, ABS_HAT0Y + i * 2)) {
 486             newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = -1;
 487             continue;
 488         }
 489
 490         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[i + WINE_JOYSTICK_MAX_AXES], df->dwObjSize);
 491         newDevice->axes[ABS_HAT0X + i * 2] = newDevice->axes[ABS_HAT0Y + i * 2] = i;
 492         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numPOVs++) | DIDFT_POV;
 493     }
 494
 495     /* Buttons can be anywhere, so check all */
 496     for (i = 0; i < KEY_MAX && newDevice->numButtons < WINE_JOYSTICK_MAX_BUTTONS; i++)
 497     {
 498         if (!test_bit(newDevice->joydev->keybits, i)) continue;
 499
 500         memcpy(&df->rgodf[idx], &c_dfDIJoystick2.rgodf[newDevice->numButtons + WINE_JOYSTICK_MAX_AXES + WINE_JOYSTICK_MAX_POVS], df->dwObjSize);
 501         newDevice->buttons[i] = 0x80 | newDevice->numButtons;
 502         df->rgodf[idx  ].pguid = &GUID_Button;
 503         df->rgodf[idx++].dwType = DIDFT_MAKEINSTANCE(newDevice->numButtons++) | DIDFT_PSHBUTTON;
 504     }
 505     df->dwNumObjs = idx;
 506
 507     fake_current_js_state(newDevice);
 508
 509     newDevice->base.data_format.wine_df = df;
 510     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->base.dinput);
 511     return newDevice;
 512
 513 failed:
 514     if (df) HeapFree(GetProcessHeap(), 0, df->rgodf);
 515     HeapFree(GetProcessHeap(), 0, df);
 516     HeapFree(GetProcessHeap(), 0, newDevice);
 517     return NULL;
 518 }
 519
 520 /******************************************************************************
 521   *     get_joystick_index : Get the joystick index from a given GUID
 522   */
 523 static unsigned short get_joystick_index(REFGUID guid)
 524 {
 525     GUID wine_joystick = DInput_Wine_Joystick_Base_GUID;
 526     GUID dev_guid = *guid;
 527
 528     wine_joystick.Data3 = 0;
 529     dev_guid.Data3 = 0;
 530
 531     /* for the standard joystick GUID use index 0 */
 532     if(IsEqualGUID(&GUID_Joystick,guid)) return 0;
 533
 534     /* for the wine joystick GUIDs use the index stored in Data3 */
 535     if(IsEqualGUID(&wine_joystick, &dev_guid)) return guid->Data3 - DInput_Wine_Joystick_Base_GUID.Data3;
 536
 537     return MAX_JOYDEV;
 538 }
 539
 540 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 541 {
 542     unsigned short index;
 543
 544     find_joydevs();
 545
 546     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
 547         have_joydevs && index < have_joydevs)
 548     {
 549         if ((riid == NULL) ||
 550             IsEqualGUID(&IID_IDirectInputDeviceA,  riid) ||
 551             IsEqualGUID(&IID_IDirectInputDevice2A, riid) ||
 552             IsEqualGUID(&IID_IDirectInputDevice7A, riid) ||
 553             IsEqualGUID(&IID_IDirectInputDevice8A, riid))
 554         {
 555             *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, index);
 556             TRACE("Created a Joystick device (%p)\n", *pdev);
 557
 558             if (*pdev == NULL)
 559             {
 560                 ERR("out of memory\n");
 561                 return DIERR_OUTOFMEMORY;
 562             }
 563             return DI_OK;
 564         }
 565
 566         WARN("no interface\n");
 567         return DIERR_NOINTERFACE;
 568     }
 569
 570     return DIERR_DEVICENOTREG;
 571 }
 572
 573
 574 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 575 {
 576     unsigned short index;
 577
 578     find_joydevs();
 579
 580     if ((index = get_joystick_index(rguid)) < MAX_JOYDEV &&
 581         have_joydevs && index < have_joydevs)
 582     {
 583         if ((riid == NULL) ||
 584             IsEqualGUID(&IID_IDirectInputDeviceW,  riid) ||
 585             IsEqualGUID(&IID_IDirectInputDevice2W, riid) ||
 586             IsEqualGUID(&IID_IDirectInputDevice7W, riid) ||
 587             IsEqualGUID(&IID_IDirectInputDevice8W, riid))
 588         {
 589             *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, index);
 590             TRACE("Created a Joystick device (%p)\n", *pdev);
 591
 592             if (*pdev == NULL)
 593             {
 594                 ERR("out of memory\n");
 595                 return DIERR_OUTOFMEMORY;
 596             }
 597             return DI_OK;
 598         }
 599         WARN("no interface\n");
 600         return DIERR_NOINTERFACE;
 601     }
 602
 603     WARN("invalid device GUID\n");
 604     return DIERR_DEVICENOTREG;
 605 }
 606
 607 const struct dinput_device joystick_linuxinput_device = {
 608   "Wine Linux-input joystick driver",
 609   joydev_enum_deviceA,
 610   joydev_enum_deviceW,
 611   joydev_create_deviceA,
 612   joydev_create_deviceW
 613 };
 614
 615 /******************************************************************************
 616   *     Acquire : gets exclusive control of the joystick
 617   */
 618 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 619 {
 620     JoystickImpl *This = (JoystickImpl *)iface;
 621     HRESULT res;
 622
 623     TRACE("(this=%p)\n",This);
 624
 625     res = IDirectInputDevice2AImpl_Acquire(iface);
 626     if (res==DI_OK) {
 627       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 628         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 629           /* Couldn't open the device at all */
 630           perror(This->joydev->device);
 631           IDirectInputDevice2AImpl_Unacquire(iface);
 632           return DIERR_NOTFOUND;
 633         } else {
 634           /* Couldn't open in r/w but opened in read-only. */
 635           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 636         }
 637       }
 638     }
 639     else
 640         WARN("Failed to acquire: %x\n", res);
 641
 642     return res;
 643 }
 644
 645 /******************************************************************************
 646   *     Unacquire : frees the joystick
 647   */
 648 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 649 {
 650     JoystickImpl *This = (JoystickImpl *)iface;
 651     HRESULT res;
 652
 653     TRACE("(this=%p)\n",This);
 654     res = IDirectInputDevice2AImpl_Unacquire(iface);
 655     if (res==DI_OK && This->joyfd!=-1) {
 656       close(This->joyfd);
 657       This->joyfd = -1;
 658     }
 659     return res;
 660 }
 661
 662 /*
 663  * set the current state of the js device as it would be with the middle
 664  * values on the axes
 665  */
 666 #define CENTER_AXIS(a) \
 667     (ji->axes[a] == -1 ? 0 : joystick_map_axis( &ji->props[ji->axes[a]], \
 668                                                 ji->joydev->axes[a].value ))
 669 static void fake_current_js_state(JoystickImpl *ji)
 670 {
 671     int i;
 672
 673     /* center the axes */
 674     ji->js.lX           = CENTER_AXIS(ABS_X);
 675     ji->js.lY           = CENTER_AXIS(ABS_Y);
 676     ji->js.lZ           = CENTER_AXIS(ABS_Z);
 677     ji->js.lRx          = CENTER_AXIS(ABS_RX);
 678     ji->js.lRy          = CENTER_AXIS(ABS_RY);
 679     ji->js.lRz          = CENTER_AXIS(ABS_RZ);
 680     ji->js.rglSlider[0] = CENTER_AXIS(ABS_THROTTLE);
 681     ji->js.rglSlider[1] = CENTER_AXIS(ABS_RUDDER);
 682
 683     /* POV center is -1 */
 684     for (i = 0; i < 4; i++)
 685         ji->js.rgdwPOV[i] = -1;
 686 }
 687 #undef CENTER_AXIS
 688
 689 /* convert wine format offset to user format object index */
 690 static void joy_polldev(JoystickImpl *This)
 691 {
 692     struct pollfd plfd;
 693     struct input_event ie;
 694
 695     if (This->joyfd==-1)
 696         return;
 697
 698     while (1)
 699     {
 700         LONG value = 0;
 701         int inst_id = -1;
 702
 703         plfd.fd = This->joyfd;
 704         plfd.events = POLLIN;
 705
 706         if (poll(&plfd,1,0) != 1)
 707             return;
 708
 709         /* we have one event, so we can read */
 710         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 711             return;
 712
 713         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 714         switch (ie.type) {
 715         case EV_KEY:    /* button */
 716         {
 717             int btn = This->buttons[ie.code];
 718
 719             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 720             if (btn & 0x80)
 721             {
 722                 btn &= 0x7F;
 723                 inst_id = DIDFT_MAKEINSTANCE(btn) | DIDFT_PSHBUTTON;
 724                 This->js.rgbButtons[btn] = value = ie.value ? 0x80 : 0x00;
 725             }
 726             break;
 727         }
 728         case EV_ABS:
 729         {
 730             int axis = This->axes[ie.code];
 731             if (axis==-1) {
 732                 break;
 733             }
 734             inst_id = DIDFT_MAKEINSTANCE(axis) | (ie.code < ABS_HAT0X ? DIDFT_ABSAXIS : DIDFT_POV);
 735             value = joystick_map_axis(&This->props[id_to_object(This->base.data_format.wine_df, inst_id)], ie.value);
 736
 737             switch (ie.code) {
 738             case ABS_X:         This->js.lX  = value; break;
 739             case ABS_Y:         This->js.lY  = value; break;
 740             case ABS_Z:         This->js.lZ  = value; break;
 741             case ABS_RX:        This->js.lRx = value; break;
 742             case ABS_RY:        This->js.lRy = value; break;
 743             case ABS_RZ:        This->js.lRz = value; break;
 744             case ABS_THROTTLE:  This->js.rglSlider[0] = value; break;
 745             case ABS_RUDDER:    This->js.rglSlider[1] = value; break;
 746             case ABS_HAT0X: case ABS_HAT0Y: case ABS_HAT1X: case ABS_HAT1Y:
 747             case ABS_HAT2X: case ABS_HAT2Y: case ABS_HAT3X: case ABS_HAT3Y:
 748             {
 749                 int idx = (ie.code - ABS_HAT0X) / 2;
 750
 751                 if (ie.code % 2)
 752                     This->povs[idx].y = ie.value;
 753                 else
 754                     This->povs[idx].x = ie.value;
 755
 756                 This->js.rgdwPOV[idx] = value = joystick_map_pov(&This->povs[idx]);
 757                 break;
 758             }
 759             default:
 760                 FIXME("unhandled joystick axis event (code %d, value %d)\n",ie.code,ie.value);
 761             }
 762             break;
 763         }
 764 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 765         case EV_FF_STATUS:
 766             This->ff_state = ie.value;
 767             break;
 768 #endif
 769 #ifdef EV_SYN
 770         case EV_SYN:
 771             /* there is nothing to do */
 772             break;
 773 #endif
 774         default:
 775             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 776             break;
 777         }
 778         if (inst_id >= 0)
 779             queue_event((LPDIRECTINPUTDEVICE8A)This,
 780                         id_to_offset(&This->base.data_format, inst_id),
 781                         value, ie.time.tv_usec, This->base.dinput->evsequence++);
 782     }
 783 }
 784
 785 /******************************************************************************
 786   *     GetDeviceState : returns the "state" of the joystick.
 787   *
 788   */
 789 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 790         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 791 ) {
 792     JoystickImpl *This = (JoystickImpl *)iface;
 793
 794     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 795
 796     if (!This->base.acquired)
 797     {
 798         WARN("not acquired\n");
 799         return DIERR_NOTACQUIRED;
 800     }
 801
 802     joy_polldev(This);
 803
 804     /* convert and copy data to user supplied buffer */
 805     fill_DataFormat(ptr, len, &This->js, &This->base.data_format);
 806
 807     return DI_OK;
 808 }
 809
 810 /******************************************************************************
 811   *     SetProperty : change input device properties
 812   */
 813 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 814                                             REFGUID rguid,
 815                                             LPCDIPROPHEADER ph)
 816 {
 817   JoystickImpl *This = (JoystickImpl *)iface;
 818
 819   if (!ph) {
 820     WARN("invalid argument\n");
 821     return DIERR_INVALIDPARAM;
 822   }
 823
 824   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 825   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 826         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 827
 828   if (!HIWORD(rguid)) {
 829     switch (LOWORD(rguid)) {
 830     case (DWORD)DIPROP_RANGE: {
 831       LPCDIPROPRANGE pr = (LPCDIPROPRANGE)ph;
 832
 833       if (ph->dwHow == DIPH_DEVICE) {
 834         int i;
 835         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 836         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 837           /* Scale dead-zone */
 838           This->props[i].lDeadZone = MulDiv(This->props[i].lDeadZone, pr->lMax - pr->lMin,
 839                                             This->props[i].lMax - This->props[i].lMin);
 840           This->props[i].lMin = pr->lMin;
 841           This->props[i].lMax = pr->lMax;
 842         }
 843       } else {
 844         int obj = find_property(&This->base.data_format, ph);
 845
 846         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 847         if (obj >= 0) {
 848           /* Scale dead-zone */
 849           This->props[obj].lDeadZone = MulDiv(This->props[obj].lDeadZone, pr->lMax - pr->lMin,
 850                                               This->props[obj].lMax - This->props[obj].lMin);
 851           This->props[obj].lMin = pr->lMin;
 852           This->props[obj].lMax = pr->lMax;
 853         }
 854       }
 855       fake_current_js_state(This);
 856       break;
 857     }
 858     case (DWORD)DIPROP_DEADZONE: {
 859       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 860       if (ph->dwHow == DIPH_DEVICE) {
 861         int i;
 862         TRACE("deadzone(%d) all\n", pd->dwData);
 863         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++) {
 864           This->props[i].lDeadZone = pd->dwData;
 865         }
 866       } else {
 867         int obj = find_property(&This->base.data_format, ph);
 868
 869         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 870         if (obj >= 0) {
 871           This->props[obj].lDeadZone = pd->dwData;
 872         }
 873       }
 874       fake_current_js_state(This);
 875       break;
 876     }
 877     case (DWORD)DIPROP_CALIBRATIONMODE: {
 878       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 879       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 880       break;
 881     }
 882     case (DWORD)DIPROP_AUTOCENTER: {
 883       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 884
 885       FIXME("DIPROP_AUTOCENTER(%d)\n", pd->dwData);
 886       break;
 887     }
 888     case (DWORD)DIPROP_SATURATION: {
 889       LPCDIPROPDWORD pd = (LPCDIPROPDWORD)ph;
 890
 891       if (ph->dwHow == DIPH_DEVICE) {
 892         int i;
 893
 894         TRACE("saturation(%d) all\n", pd->dwData);
 895         for (i = 0; i < This->base.data_format.wine_df->dwNumObjs; i++)
 896           This->props[i].lSaturation = pd->dwData;
 897       } else {
 898           int obj = find_property(&This->base.data_format, ph);
 899
 900           if (obj < 0) return DIERR_OBJECTNOTFOUND;
 901
 902           TRACE("saturation(%d) obj=%d\n", pd->dwData, obj);
 903           This->props[obj].lSaturation = pd->dwData;
 904       }
 905       fake_current_js_state(This);
 906       break;
 907     }
 908     default:
 909       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 910     }
 911   }
 912   return DI_OK;
 913 }
 914
 915 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 916         LPDIRECTINPUTDEVICE8A iface,
 917         LPDIDEVCAPS lpDIDevCaps)
 918 {
 919     JoystickImpl *This = (JoystickImpl *)iface;
 920
 921     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 922
 923     if (!lpDIDevCaps) {
 924         WARN("invalid pointer\n");
 925         return E_POINTER;
 926     }
 927
 928     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 929         WARN("invalid argument\n");
 930         return DIERR_INVALIDPARAM;
 931     }
 932
 933     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 934     if (This->base.dinput->dwVersion >= 0x0800)
 935         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 936     else
 937         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 938
 939     if (This->joydev->has_ff)
 940          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 941
 942     lpDIDevCaps->dwAxes = This->numAxes;
 943     lpDIDevCaps->dwButtons = This->numButtons;
 944     lpDIDevCaps->dwPOVs = This->numPOVs;
 945
 946     return DI_OK;
 947 }
 948
 949 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface)
 950 {
 951     JoystickImpl *This = (JoystickImpl *)iface;
 952
 953     TRACE("(%p)\n",This);
 954
 955     if (!This->base.acquired)
 956         return DIERR_NOTACQUIRED;
 957
 958     joy_polldev(This);
 959     return DI_OK;
 960 }
 961
 962 /******************************************************************************
 963   *     GetProperty : get input device properties
 964   */
 965 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
 966                                                 REFGUID rguid,
 967                                                 LPDIPROPHEADER pdiph)
 968 {
 969     JoystickImpl *This = (JoystickImpl *)iface;
 970
 971     TRACE("(this=%p,%s,%p)\n", iface, debugstr_guid(rguid), pdiph);
 972     _dump_DIPROPHEADER(pdiph);
 973
 974     if (HIWORD(rguid)) return DI_OK;
 975
 976     switch (LOWORD(rguid)) {
 977     case (DWORD) DIPROP_RANGE:
 978     {
 979         LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
 980         int obj = find_property(&This->base.data_format, pdiph);
 981
 982         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 983
 984         pr->lMin = This->props[obj].lMin;
 985         pr->lMax = This->props[obj].lMax;
 986         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
 987         break;
 988     }
 989     case (DWORD) DIPROP_DEADZONE:
 990     {
 991         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
 992         int obj = find_property(&This->base.data_format, pdiph);
 993
 994         if (obj < 0) return DIERR_OBJECTNOTFOUND;
 995
 996         pd->dwData = This->props[obj].lDeadZone;
 997         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 998         break;
 999     }
1000     case (DWORD) DIPROP_SATURATION:
1001     {
1002         LPDIPROPDWORD pd = (LPDIPROPDWORD)pdiph;
1003         int obj = find_property(&This->base.data_format, pdiph);
1004
1005         if (obj < 0) return DIERR_OBJECTNOTFOUND;
1006
1007         pd->dwData = This->props[obj].lSaturation;
1008         TRACE("saturation(%d) obj=%d\n", pd->dwData, obj);
1009         break;
1010     }
1011
1012     default:
1013         return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
1014     }
1015
1016     return DI_OK;
1017 }
1018
1019 /******************************************************************************
1020   *     GetObjectInfo : get information about a device object such as a button
1021   *                     or axis
1022   */
1023 static HRESULT WINAPI JoystickWImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8W iface,
1024         LPDIDEVICEOBJECTINSTANCEW pdidoi, DWORD dwObj, DWORD dwHow)
1025 {
1026     static const WCHAR axisW[] = {'A','x','i','s',' ','%','d',0};
1027     static const WCHAR povW[] = {'P','O','V',' ','%','d',0};
1028     static const WCHAR buttonW[] = {'B','u','t','t','o','n',' ','%','d',0};
1029     HRESULT res;
1030
1031     res = IDirectInputDevice2WImpl_GetObjectInfo(iface, pdidoi, dwObj, dwHow);
1032     if (res != DI_OK) return res;
1033
1034     if      (pdidoi->dwType & DIDFT_AXIS)
1035         sprintfW(pdidoi->tszName, axisW, DIDFT_GETINSTANCE(pdidoi->dwType));
1036     else if (pdidoi->dwType & DIDFT_POV)
1037         sprintfW(pdidoi->tszName, povW, DIDFT_GETINSTANCE(pdidoi->dwType));
1038     else if (pdidoi->dwType & DIDFT_BUTTON)
1039         sprintfW(pdidoi->tszName, buttonW, DIDFT_GETINSTANCE(pdidoi->dwType));
1040
1041     _dump_OBJECTINSTANCEW(pdidoi);
1042     return res;
1043 }
1044
1045 static HRESULT WINAPI JoystickAImpl_GetObjectInfo(LPDIRECTINPUTDEVICE8A iface,
1046         LPDIDEVICEOBJECTINSTANCEA pdidoi, DWORD dwObj, DWORD dwHow)
1047 {
1048     HRESULT res;
1049     DIDEVICEOBJECTINSTANCEW didoiW;
1050     DWORD dwSize = pdidoi->dwSize;
1051
1052     didoiW.dwSize = sizeof(didoiW);
1053     res = JoystickWImpl_GetObjectInfo((LPDIRECTINPUTDEVICE8W)iface, &didoiW, dwObj, dwHow);
1054     if (res != DI_OK) return res;
1055
1056     memset(pdidoi, 0, pdidoi->dwSize);
1057     memcpy(pdidoi, &didoiW, FIELD_OFFSET(DIDEVICEOBJECTINSTANCEW, tszName));
1058     pdidoi->dwSize = dwSize;
1059     WideCharToMultiByte(CP_ACP, 0, didoiW.tszName, -1, pdidoi->tszName,
1060                         sizeof(pdidoi->tszName), NULL, NULL);
1061
1062     return res;
1063 }
1064
1065 /******************************************************************************
1066   *     CreateEffect - Create a new FF effect with the specified params
1067   */
1068 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1069                                                  REFGUID rguid,
1070                                                  LPCDIEFFECT lpeff,
1071                                                  LPDIRECTINPUTEFFECT *ppdef,
1072                                                  LPUNKNOWN pUnkOuter)
1073 {
1074 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1075     effect_list_item* new_effect = NULL;
1076     HRESULT retval = DI_OK;
1077 #endif
1078
1079     JoystickImpl* This = (JoystickImpl*)iface;
1080     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1081
1082 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1083     TRACE("not available (compiled w/o ff support)\n");
1084     *ppdef = NULL;
1085     return DI_OK;
1086 #else
1087
1088     if (!(new_effect = HeapAlloc(GetProcessHeap(), 0, sizeof(*new_effect))))
1089         return DIERR_OUTOFMEMORY;
1090
1091     retval = linuxinput_create_effect(&This->joyfd, rguid, &new_effect->entry, &new_effect->ref);
1092     if (retval != DI_OK)
1093     {
1094         HeapFree(GetProcessHeap(), 0, new_effect);
1095         return retval;
1096     }
1097
1098     if (lpeff != NULL)
1099     {
1100         retval = IDirectInputEffect_SetParameters(new_effect->ref, lpeff, 0);
1101
1102         if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1103         {
1104             HeapFree(GetProcessHeap(), 0, new_effect);
1105             return retval;
1106         }
1107     }
1108
1109     list_add_tail(&This->ff_effects, &new_effect->entry);
1110     *ppdef = new_effect->ref;
1111
1112     if (pUnkOuter != NULL)
1113         FIXME("Interface aggregation not implemented.\n");
1114
1115     return DI_OK;
1116
1117 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1118 }
1119
1120 /*******************************************************************************
1121  *      EnumEffects - Enumerate available FF effects
1122  */
1123 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1124                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1125                                                 LPVOID pvRef,
1126                                                 DWORD dwEffType)
1127 {
1128 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1129     DIEFFECTINFOA dei; /* feif */
1130     DWORD type = DIEFT_GETTYPE(dwEffType);
1131     JoystickImpl* This = (JoystickImpl*)iface;
1132
1133     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1134
1135     dei.dwSize = sizeof(DIEFFECTINFOA);
1136
1137     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1138         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1139         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1140         (*lpCallback)(&dei, pvRef);
1141     }
1142
1143     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1144         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1145         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1146             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1147             (*lpCallback)(&dei, pvRef);
1148         }
1149         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1150             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1151             (*lpCallback)(&dei, pvRef);
1152         }
1153         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1154             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1155             (*lpCallback)(&dei, pvRef);
1156         }
1157         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1158             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1159             (*lpCallback)(&dei, pvRef);
1160         }
1161         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1162             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1163             (*lpCallback)(&dei, pvRef);
1164         }
1165     }
1166
1167     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1168         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1169         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1170         (*lpCallback)(&dei, pvRef);
1171     }
1172
1173     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1174         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1175             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1176             (*lpCallback)(&dei, pvRef);
1177         }
1178         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1179             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1180             (*lpCallback)(&dei, pvRef);
1181         }
1182         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1183             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1184             (*lpCallback)(&dei, pvRef);
1185         }
1186         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1187             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1188             (*lpCallback)(&dei, pvRef);
1189         }
1190     }
1191
1192 #endif
1193
1194     return DI_OK;
1195 }
1196
1197 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1198                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1199                                                 LPVOID pvRef,
1200                                                 DWORD dwEffType)
1201 {
1202 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1203     /* seems silly to duplicate all this code but all the structures and functions
1204      * are actually different (A/W) */
1205     DIEFFECTINFOW dei; /* feif */
1206     DWORD type = DIEFT_GETTYPE(dwEffType);
1207     JoystickImpl* This = (JoystickImpl*)iface;
1208     int xfd = This->joyfd;
1209
1210     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1211
1212     dei.dwSize = sizeof(DIEFFECTINFOW);
1213
1214     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1215         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1216         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1217         (*lpCallback)(&dei, pvRef);
1218     }
1219
1220     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1221         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1222         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1223             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1224             (*lpCallback)(&dei, pvRef);
1225         }
1226         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1227             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1228             (*lpCallback)(&dei, pvRef);
1229         }
1230         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1231             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1232             (*lpCallback)(&dei, pvRef);
1233         }
1234         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1235             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1236             (*lpCallback)(&dei, pvRef);
1237         }
1238         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1239             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1240             (*lpCallback)(&dei, pvRef);
1241         }
1242     }
1243
1244     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1245         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1246         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1247         (*lpCallback)(&dei, pvRef);
1248     }
1249
1250     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1251         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1252             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1253             (*lpCallback)(&dei, pvRef);
1254         }
1255         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1256             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1257             (*lpCallback)(&dei, pvRef);
1258         }
1259         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1260             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1261             (*lpCallback)(&dei, pvRef);
1262         }
1263         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1264             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1265             (*lpCallback)(&dei, pvRef);
1266         }
1267     }
1268
1269     /* return to unacquired state if that's where it was */
1270     if (xfd == -1)
1271         IDirectInputDevice8_Unacquire(iface);
1272 #endif
1273
1274     return DI_OK;
1275 }
1276
1277 /*******************************************************************************
1278  *      GetEffectInfo - Get information about a particular effect
1279  */
1280 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1281                                                   LPDIEFFECTINFOA pdei,
1282                                                   REFGUID guid)
1283 {
1284     JoystickImpl* This = (JoystickImpl*)iface;
1285
1286     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1287
1288 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1289     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1290 #else
1291     return DI_OK;
1292 #endif
1293 }
1294
1295 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1296                                                   LPDIEFFECTINFOW pdei,
1297                                                   REFGUID guid)
1298 {
1299     JoystickImpl* This = (JoystickImpl*)iface;
1300
1301     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1302
1303 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1304     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1305 #else
1306     return DI_OK;
1307 #endif
1308 }
1309
1310 /*******************************************************************************
1311  *      GetForceFeedbackState - Get information about the device's FF state
1312  */
1313 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1314         LPDIRECTINPUTDEVICE8A iface,
1315         LPDWORD pdwOut)
1316 {
1317     JoystickImpl* This = (JoystickImpl*)iface;
1318
1319     TRACE("(this=%p,%p)\n", This, pdwOut);
1320
1321     (*pdwOut) = 0;
1322
1323 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1324     /* DIGFFS_STOPPED is the only mandatory flag to report */
1325     if (This->ff_state == FF_STATUS_STOPPED)
1326         (*pdwOut) |= DIGFFS_STOPPED;
1327 #endif
1328
1329     return DI_OK;
1330 }
1331
1332 /*******************************************************************************
1333  *      SendForceFeedbackCommand - Send a command to the device's FF system
1334  */
1335 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1336         LPDIRECTINPUTDEVICE8A iface,
1337         DWORD dwFlags)
1338 {
1339     JoystickImpl* This = (JoystickImpl*)iface;
1340     TRACE("(this=%p,%d)\n", This, dwFlags);
1341
1342 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1343     switch (dwFlags)
1344     {
1345     case DISFFC_STOPALL:
1346     {
1347         /* Stop all effects */
1348         effect_list_item *itr;
1349
1350         LIST_FOR_EACH_ENTRY(itr, &This->ff_effects, effect_list_item, entry)
1351             IDirectInputEffect_Stop(itr->ref);
1352         break;
1353     }
1354
1355     case DISFFC_RESET:
1356     {
1357         effect_list_item *itr, *ptr;
1358
1359         /* Stop, unload, release and free all effects */
1360         /* This returns the device to its "bare" state */
1361         LIST_FOR_EACH_ENTRY_SAFE(itr, ptr, &This->ff_effects, effect_list_item, entry)
1362             IDirectInputEffect_Release(itr->ref);
1363         break;
1364     }
1365     case DISFFC_PAUSE:
1366     case DISFFC_CONTINUE:
1367         FIXME("No support for Pause or Continue in linux\n");
1368         break;
1369
1370     case DISFFC_SETACTUATORSOFF:
1371     case DISFFC_SETACTUATORSON:
1372         FIXME("No direct actuator control in linux\n");
1373         break;
1374
1375     default:
1376         FIXME("Unknown Force Feedback Command!\n");
1377         return DIERR_INVALIDPARAM;
1378     }
1379     return DI_OK;
1380 #else
1381     return DIERR_UNSUPPORTED;
1382 #endif
1383 }
1384
1385 /*******************************************************************************
1386  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1387  *              created for this device.
1388  */
1389 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1390         LPDIRECTINPUTDEVICE8A iface,
1391         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1392         LPVOID pvRef,
1393         DWORD dwFlags)
1394 {
1395     /* this function is safe to call on non-ff-enabled builds */
1396     JoystickImpl* This = (JoystickImpl*)iface;
1397     effect_list_item *itr, *ptr;
1398
1399     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1400
1401     if (!lpCallback)
1402         return DIERR_INVALIDPARAM;
1403
1404     if (dwFlags != 0)
1405         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1406
1407     LIST_FOR_EACH_ENTRY_SAFE(itr, ptr, &This->ff_effects, effect_list_item, entry)
1408         (*lpCallback)(itr->ref, pvRef);
1409
1410     return DI_OK;
1411 }
1412
1413 /******************************************************************************
1414   *     GetDeviceInfo : get information about a device's identity
1415   */
1416 static HRESULT WINAPI JoystickAImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8A iface,
1417                                                   LPDIDEVICEINSTANCEA pdidi)
1418 {
1419     JoystickImpl *This = (JoystickImpl *)iface;
1420
1421     TRACE("(%p) %p\n", This, pdidi);
1422
1423     if (pdidi == NULL) return E_POINTER;
1424     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3A)) &&
1425         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEA)))
1426         return DIERR_INVALIDPARAM;
1427
1428     fill_joystick_dideviceinstanceA(pdidi, This->base.dinput->dwVersion,
1429                                     get_joystick_index(&This->base.guid));
1430     return DI_OK;
1431 }
1432
1433 static HRESULT WINAPI JoystickWImpl_GetDeviceInfo(LPDIRECTINPUTDEVICE8W iface,
1434                                                   LPDIDEVICEINSTANCEW pdidi)
1435 {
1436     JoystickImpl *This = (JoystickImpl *)iface;
1437
1438     TRACE("(%p) %p\n", This, pdidi);
1439
1440     if (pdidi == NULL) return E_POINTER;
1441     if ((pdidi->dwSize != sizeof(DIDEVICEINSTANCE_DX3W)) &&
1442         (pdidi->dwSize != sizeof(DIDEVICEINSTANCEW)))
1443         return DIERR_INVALIDPARAM;
1444
1445     fill_joystick_dideviceinstanceW(pdidi, This->base.dinput->dwVersion,
1446                                     get_joystick_index(&This->base.guid));
1447     return DI_OK;
1448 }
1449
1450 static const IDirectInputDevice8AVtbl JoystickAvt =
1451 {
1452         IDirectInputDevice2AImpl_QueryInterface,
1453         IDirectInputDevice2AImpl_AddRef,
1454         IDirectInputDevice2AImpl_Release,
1455         JoystickAImpl_GetCapabilities,
1456         IDirectInputDevice2AImpl_EnumObjects,
1457         JoystickAImpl_GetProperty,
1458         JoystickAImpl_SetProperty,
1459         JoystickAImpl_Acquire,
1460         JoystickAImpl_Unacquire,
1461         JoystickAImpl_GetDeviceState,
1462         IDirectInputDevice2AImpl_GetDeviceData,
1463         IDirectInputDevice2AImpl_SetDataFormat,
1464         IDirectInputDevice2AImpl_SetEventNotification,
1465         IDirectInputDevice2AImpl_SetCooperativeLevel,
1466         JoystickAImpl_GetObjectInfo,
1467         JoystickAImpl_GetDeviceInfo,
1468         IDirectInputDevice2AImpl_RunControlPanel,
1469         IDirectInputDevice2AImpl_Initialize,
1470         JoystickAImpl_CreateEffect,
1471         JoystickAImpl_EnumEffects,
1472         JoystickAImpl_GetEffectInfo,
1473         JoystickAImpl_GetForceFeedbackState,
1474         JoystickAImpl_SendForceFeedbackCommand,
1475         JoystickAImpl_EnumCreatedEffectObjects,
1476         IDirectInputDevice2AImpl_Escape,
1477         JoystickAImpl_Poll,
1478         IDirectInputDevice2AImpl_SendDeviceData,
1479         IDirectInputDevice7AImpl_EnumEffectsInFile,
1480         IDirectInputDevice7AImpl_WriteEffectToFile,
1481         IDirectInputDevice8AImpl_BuildActionMap,
1482         IDirectInputDevice8AImpl_SetActionMap,
1483         IDirectInputDevice8AImpl_GetImageInfo
1484 };
1485
1486 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1487 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1488 #else
1489 # define XCAST(fun)     (void*)
1490 #endif
1491
1492 static const IDirectInputDevice8WVtbl JoystickWvt =
1493 {
1494         IDirectInputDevice2WImpl_QueryInterface,
1495         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1496         XCAST(Release)IDirectInputDevice2AImpl_Release,
1497         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1498         IDirectInputDevice2WImpl_EnumObjects,
1499         XCAST(GetProperty)JoystickAImpl_GetProperty,
1500         XCAST(SetProperty)JoystickAImpl_SetProperty,
1501         XCAST(Acquire)JoystickAImpl_Acquire,
1502         XCAST(Unacquire)JoystickAImpl_Unacquire,
1503         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1504         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1505         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1506         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1507         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1508         JoystickWImpl_GetObjectInfo,
1509         JoystickWImpl_GetDeviceInfo,
1510         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1511         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1512         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1513         JoystickWImpl_EnumEffects,
1514         JoystickWImpl_GetEffectInfo,
1515         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1516         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1517         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1518         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1519         XCAST(Poll)JoystickAImpl_Poll,
1520         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1521         IDirectInputDevice7WImpl_EnumEffectsInFile,
1522         IDirectInputDevice7WImpl_WriteEffectToFile,
1523         IDirectInputDevice8WImpl_BuildActionMap,
1524         IDirectInputDevice8WImpl_SetActionMap,
1525         IDirectInputDevice8WImpl_GetImageInfo
1526 };
1527 #undef XCAST
1528
1529 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1530
1531 const struct dinput_device joystick_linuxinput_device = {
1532   "Wine Linux-input joystick driver",
1533   NULL,
1534   NULL,
1535   NULL,
1536   NULL
1537 };
1538
1539 #endif  /* HAVE_CORRECT_LINUXINPUT_H */