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