git.oblomov.eu Git - wine/blob - 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  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 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
  48 #  define HAVE_CORRECT_LINUXINPUT_H
  49 # endif
  50 #endif
  51
  52 #include "wine/debug.h"
  53 #include "wine/unicode.h"
  54 #include "windef.h"
  55 #include "winbase.h"
  56 #include "winerror.h"
  57 #include "dinput.h"
  58
  59 #include "dinput_private.h"
  60 #include "device_private.h"
  61
  62 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  63
  64 #ifdef HAVE_CORRECT_LINUXINPUT_H
  65
  66 #define EVDEVPREFIX     "/dev/input/event"
  67
  68 /* Wine joystick driver object instances */
  69 #define WINE_JOYSTICK_AXIS_BASE   0
  70 #define WINE_JOYSTICK_BUTTON_BASE 8
  71
  72 typedef struct EffectListItem EffectListItem;
  73 struct EffectListItem
  74 {
  75         LPDIRECTINPUTEFFECT ref;
  76         struct EffectListItem* next;
  77 };
  78
  79 /* implemented in effect_linuxinput.c */
  80 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
  81 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
  82 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
  83
  84 typedef struct JoystickImpl JoystickImpl;
  85 static const IDirectInputDevice8AVtbl JoystickAvt;
  86 static const IDirectInputDevice8WVtbl JoystickWvt;
  87 struct JoystickImpl
  88 {
  89         const void                     *lpVtbl;
  90         LONG                            ref;
  91         GUID                            guid;
  92
  93
  94         /* The 'parent' DInput */
  95         IDirectInputImpl               *dinput;
  96
  97         /* joystick private */
  98         /* what range and deadzone the game wants */
  99         LONG                            wantmin[ABS_MAX];
 100         LONG                            wantmax[ABS_MAX];
 101         LONG                            deadz[ABS_MAX];
 102
 103         /* autodetecting ranges per axe by following movement */
 104         LONG                            havemax[ABS_MAX];
 105         LONG                            havemin[ABS_MAX];
 106
 107         int                             joyfd;
 108
 109         LPDIDATAFORMAT                  df;
 110         HANDLE                          hEvent;
 111         LPDIDEVICEOBJECTDATA            data_queue;
 112         int                             queue_head, queue_tail, queue_len;
 113         BOOL                            overflow;
 114         DIJOYSTATE2                     js;
 115
 116         /* Force feedback variables */
 117         BOOL                            has_ff;
 118         int                             num_effects;
 119         EffectListItem*                 top_effect;
 120         int                             ff_state;
 121
 122         /* data returned by the EVIOCGABS() ioctl */
 123         int                             axes[ABS_MAX][5];
 124         /* LUT for KEY_ to offset in rgbButtons */
 125         BYTE                            buttons[KEY_MAX];
 126
 127 #define AXE_ABS         0
 128 #define AXE_ABSMIN      1
 129 #define AXE_ABSMAX      2
 130 #define AXE_ABSFUZZ     3
 131 #define AXE_ABSFLAT     4
 132
 133
 134         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 135         BYTE                            evbits[(EV_MAX+7)/8];
 136         BYTE                            absbits[(ABS_MAX+7)/8];
 137         BYTE                            keybits[(KEY_MAX+7)/8];
 138         BYTE                            ffbits[(FF_MAX+7)/8];
 139 };
 140
 141 /* This GUID is slightly different from the linux joystick one. Take note. */
 142 static GUID DInput_Wine_Joystick_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 143   0x9e573eda,
 144   0x7734,
 145   0x11d2,
 146   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 147 };
 148
 149 static void fake_current_js_state(JoystickImpl *ji);
 150 static int find_property_offset(JoystickImpl *This, LPCDIPROPHEADER ph);
 151
 152 #define test_bit(arr,bit) (((BYTE*)arr)[bit>>3]&(1<<(bit&7)))
 153
 154 static int joydev_have(BOOL require_ff)
 155 {
 156   int i, fd, flags, num_effects;
 157   int havejoy = 0;
 158
 159   for (i=0;i<64;i++) {
 160       char      buf[200];
 161       BYTE      absbits[(ABS_MAX+7)/8],keybits[(KEY_MAX+7)/8];
 162       BYTE      evbits[(EV_MAX+7)/8],ffbits[(FF_MAX+7)/8];
 163
 164       sprintf(buf,EVDEVPREFIX"%d",i);
 165
 166       if (require_ff)
 167           flags = O_RDWR;
 168       else
 169           flags = O_RDONLY;
 170
 171       if (-1!=(fd=open(buf,flags))) {
 172           if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(absbits)),absbits)) {
 173               perror("EVIOCGBIT EV_ABS");
 174               close(fd);
 175               continue;
 176           }
 177           if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(keybits)),keybits)) {
 178               perror("EVIOCGBIT EV_KEY");
 179               close(fd);
 180               continue;
 181           }
 182
 183           /* test for force feedback if it's required */
 184           if (require_ff) {
 185               if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(evbits)),evbits))) {
 186                   perror("EVIOCGBIT 0");
 187                   close(fd);
 188                   continue;
 189               }
 190               if (   (!test_bit(evbits,EV_FF))
 191                   || (-1==ioctl(fd,EVIOCGBIT(EV_FF,sizeof(ffbits)),ffbits))
 192                   || (-1==ioctl(fd,EVIOCGEFFECTS,&num_effects))
 193                   || (num_effects <= 0)) {
 194                   close(fd);
 195                   continue;
 196               }
 197           }
 198
 199           /* A true joystick has at least axis X and Y, and at least 1
 200            * button. copied from linux/drivers/input/joydev.c */
 201           if (test_bit(absbits,ABS_X) && test_bit(absbits,ABS_Y) &&
 202               (   test_bit(keybits,BTN_TRIGGER) ||
 203                   test_bit(keybits,BTN_A)       ||
 204                   test_bit(keybits,BTN_1)
 205               )
 206           ) {
 207               FIXME("found a joystick at %s!\n",buf);
 208               havejoy = 1;
 209           }
 210           close(fd);
 211       }
 212       if (havejoy || (errno==ENODEV))
 213           break;
 214   }
 215   return havejoy;
 216 }
 217
 218 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 219 {
 220   int havejoy = 0;
 221
 222   if (id != 0)
 223       return FALSE;
 224
 225   if (!((dwDevType == 0) ||
 226         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 227         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 228     return FALSE;
 229
 230 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 231   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 232     return FALSE;
 233 #endif
 234
 235   havejoy = joydev_have(dwFlags & DIEDFL_FORCEFEEDBACK);
 236
 237   if (!havejoy)
 238       return FALSE;
 239
 240   TRACE("Enumerating the linuxinput Joystick device\n");
 241
 242   /* Return joystick */
 243   lpddi->guidInstance   = GUID_Joystick;
 244   lpddi->guidProduct    = DInput_Wine_Joystick_GUID;
 245
 246   lpddi->guidFFDriver = GUID_NULL;
 247   if (version >= 0x0800)
 248     lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 249   else
 250     lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 251
 252   strcpy(lpddi->tszInstanceName, "Joystick");
 253   /* ioctl JSIOCGNAME(len) */
 254   strcpy(lpddi->tszProductName, "Wine Joystick");
 255   return TRUE;
 256 }
 257
 258 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 259 {
 260   int havejoy = 0;
 261
 262   if (id != 0)
 263       return FALSE;
 264
 265   if (!((dwDevType == 0) ||
 266         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 267         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 268     return FALSE;
 269
 270 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 271   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 272     return FALSE;
 273 #endif
 274
 275   havejoy = joydev_have(dwFlags & DIEDFL_FORCEFEEDBACK);
 276
 277   if (!havejoy)
 278       return FALSE;
 279
 280   TRACE("Enumerating the linuxinput Joystick device\n");
 281
 282   /* Return joystick */
 283   lpddi->guidInstance   = GUID_Joystick;
 284   lpddi->guidProduct    = DInput_Wine_Joystick_GUID;
 285
 286   lpddi->guidFFDriver = GUID_NULL;
 287   if (version >= 0x0800)
 288     lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 289   else
 290     lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 291
 292   MultiByteToWideChar(CP_ACP, 0, "Joystick", -1, lpddi->tszInstanceName, MAX_PATH);
 293   /* ioctl JSIOCGNAME(len) */
 294   MultiByteToWideChar(CP_ACP, 0, "Wine Joystick", -1, lpddi->tszProductName, MAX_PATH);
 295   return TRUE;
 296 }
 297
 298 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput)
 299 {
 300   JoystickImpl* newDevice;
 301   int i;
 302
 303   newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 304   newDevice->lpVtbl = jvt;
 305   newDevice->ref = 1;
 306   newDevice->joyfd = -1;
 307   newDevice->dinput = dinput;
 308 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 309   newDevice->ff_state = FF_STATUS_STOPPED;
 310 #endif
 311   memcpy(&(newDevice->guid),rguid,sizeof(*rguid));
 312   for (i=0;i<ABS_MAX;i++) {
 313     newDevice->wantmin[i] = -32768;
 314     newDevice->wantmax[i] =  32767;
 315     /* TODO:
 316      * direct input defines a default for the deadzone somewhere; but as long
 317      * as in map_axis the code for the dead zone is commented out its no
 318      * problem
 319      */
 320     newDevice->deadz[i]   =  0;
 321   }
 322   fake_current_js_state(newDevice);
 323   return newDevice;
 324 }
 325
 326 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 327 {
 328   int havejoy = 0;
 329
 330   havejoy = joydev_have(FALSE);
 331
 332   if (!havejoy)
 333       return DIERR_DEVICENOTREG;
 334
 335   if ((IsEqualGUID(&GUID_Joystick,rguid)) ||
 336       (IsEqualGUID(&DInput_Wine_Joystick_GUID,rguid))) {
 337     if ((riid == NULL) ||
 338         IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 339         IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 340         IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 341         IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 342       *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput);
 343       TRACE("Creating a Joystick device (%p)\n", *pdev);
 344       return DI_OK;
 345     } else
 346       return DIERR_NOINTERFACE;
 347   }
 348
 349   return DIERR_DEVICENOTREG;
 350 }
 351
 352
 353 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 354 {
 355   int havejoy = 0;
 356
 357   havejoy = joydev_have(FALSE);
 358
 359   if (!havejoy)
 360       return DIERR_DEVICENOTREG;
 361
 362   if ((IsEqualGUID(&GUID_Joystick,rguid)) ||
 363       (IsEqualGUID(&DInput_Wine_Joystick_GUID,rguid))) {
 364     if ((riid == NULL) ||
 365         IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 366         IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 367         IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 368         IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 369       *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput);
 370       TRACE("Creating a Joystick device (%p)\n", *pdev);
 371       return DI_OK;
 372     } else
 373       return DIERR_NOINTERFACE;
 374   }
 375
 376   return DIERR_DEVICENOTREG;
 377 }
 378
 379 const struct dinput_device joystick_linuxinput_device = {
 380   "Wine Linux-input joystick driver",
 381   joydev_enum_deviceA,
 382   joydev_enum_deviceW,
 383   joydev_create_deviceA,
 384   joydev_create_deviceW
 385 };
 386
 387 /******************************************************************************
 388  *      Joystick
 389  */
 390 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 391 {
 392         JoystickImpl *This = (JoystickImpl *)iface;
 393         ULONG ref;
 394
 395         ref = InterlockedDecrement(&(This->ref));
 396         if (ref)
 397                 return ref;
 398
 399         /* Reset the FF state, free all effects, etc */
 400         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 401
 402         /* Free the data queue */
 403         HeapFree(GetProcessHeap(),0,This->data_queue);
 404
 405         /* Free the DataFormat */
 406         HeapFree(GetProcessHeap(), 0, This->df);
 407
 408         HeapFree(GetProcessHeap(),0,This);
 409         return 0;
 410 }
 411
 412 /******************************************************************************
 413   *   SetDataFormat : the application can choose the format of the data
 414   *   the device driver sends back with GetDeviceState.
 415   */
 416 static HRESULT WINAPI JoystickAImpl_SetDataFormat(
 417         LPDIRECTINPUTDEVICE8A iface,LPCDIDATAFORMAT df
 418 )
 419 {
 420   JoystickImpl *This = (JoystickImpl *)iface;
 421
 422   TRACE("(this=%p,%p)\n",This,df);
 423
 424   if (df == NULL) {
 425     WARN("invalid pointer\n");
 426     return E_POINTER;
 427   }
 428
 429   if (df->dwSize != sizeof(*df)) {
 430     WARN("invalid argument\n");
 431     return DIERR_INVALIDPARAM;
 432   }
 433
 434   _dump_DIDATAFORMAT(df);
 435
 436   if (This->joyfd!=-1) {
 437     WARN("acquired\n");
 438     return DIERR_ACQUIRED;
 439   }
 440
 441   /* Store the new data format */
 442   This->df = HeapAlloc(GetProcessHeap(),0,df->dwSize);
 443   if (This->df==NULL) {
 444     return DIERR_OUTOFMEMORY;
 445   }
 446   memcpy(This->df, df, df->dwSize);
 447   This->df->rgodf = HeapAlloc(GetProcessHeap(),0,df->dwNumObjs*df->dwObjSize);
 448   if (This->df->rgodf==NULL) {
 449     HeapFree(GetProcessHeap(), 0, This->df);
 450     return DIERR_OUTOFMEMORY;
 451   }
 452   memcpy(This->df->rgodf,df->rgodf,df->dwNumObjs*df->dwObjSize);
 453
 454   return DI_OK;
 455 }
 456
 457 /******************************************************************************
 458   *     Acquire : gets exclusive control of the joystick
 459   */
 460 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 461 {
 462     int         i,buttons;
 463     JoystickImpl *This = (JoystickImpl *)iface;
 464     char        buf[200];
 465     BOOL        readonly = TRUE;
 466
 467     TRACE("(this=%p)\n",This);
 468     if (This->joyfd!=-1)
 469         return S_FALSE;
 470     if (This->df==NULL) {
 471       return DIERR_INVALIDPARAM;
 472     }
 473     for (i=0;i<64;i++) {
 474       sprintf(buf,EVDEVPREFIX"%d",i);
 475       if (-1==(This->joyfd=open(buf,O_RDWR))) {
 476         if (-1==(This->joyfd=open(buf,O_RDONLY))) {
 477           /* Couldn't open the device at all */
 478           if (errno==ENODEV)
 479             return DIERR_NOTFOUND;
 480           perror(buf);
 481           continue;
 482         }
 483         else {
 484           /* Couldn't open in r/w but opened in read-only. */
 485           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n",buf);
 486         }
 487       }
 488       else {
 489         /* Opened device in read-write */
 490         readonly = FALSE;
 491       }
 492       if ((-1!=ioctl(This->joyfd,EVIOCGBIT(0,sizeof(This->evbits)),This->evbits)) &&
 493           (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_ABS,sizeof(This->absbits)),This->absbits)) &&
 494           (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_KEY,sizeof(This->keybits)),This->keybits)) &&
 495           (test_bit(This->absbits,ABS_X) && test_bit(This->absbits,ABS_Y) &&
 496            (test_bit(This->keybits,BTN_TRIGGER)||
 497             test_bit(This->keybits,BTN_A)        ||
 498             test_bit(This->keybits,BTN_1)
 499           )
 500          )
 501       )
 502         break;
 503       close(This->joyfd);
 504       This->joyfd = -1;
 505     }
 506     if (This->joyfd==-1)
 507         return DIERR_NOTFOUND;
 508
 509     This->has_ff = FALSE;
 510     This->num_effects = 0;
 511
 512 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 513     if (!readonly && test_bit(This->evbits, EV_FF)) {
 514         if (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_FF,sizeof(This->ffbits)),This->ffbits)) {
 515             if (-1!=ioctl(This->joyfd,EVIOCGEFFECTS,&This->num_effects)
 516                 && This->num_effects > 0) {
 517                 This->has_ff = TRUE;
 518                 TRACE("Joystick seems to be capable of force feedback.\n");
 519             }
 520             else {
 521                 TRACE("Joystick does not support any effects, disabling force feedback.\n");
 522             }
 523         }
 524         else {
 525             TRACE("Could not get EV_FF bits; disabling force feedback.\n");
 526         }
 527     }
 528     else {
 529         TRACE("Force feedback disabled (device is readonly or joystick incapable).\n");
 530     }
 531 #endif
 532
 533     for (i=0;i<ABS_MAX;i++) {
 534         if (test_bit(This->absbits,i)) {
 535           if (-1==ioctl(This->joyfd,EVIOCGABS(i),&(This->axes[i])))
 536             continue;
 537           TRACE("axe %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 538               i,
 539               This->axes[i][AXE_ABS],
 540               This->axes[i][AXE_ABSMIN],
 541               This->axes[i][AXE_ABSMAX],
 542               This->axes[i][AXE_ABSFUZZ],
 543               This->axes[i][AXE_ABSFLAT]
 544           );
 545           This->havemin[i] = This->axes[i][AXE_ABSMIN];
 546           This->havemax[i] = This->axes[i][AXE_ABSMAX];
 547         }
 548     }
 549     buttons = 0;
 550     for (i=0;i<KEY_MAX;i++) {
 551             if (test_bit(This->keybits,i)) {
 552                     TRACE("button %d: %d\n", i, buttons);
 553                     This->buttons[i] = 0x80 | buttons;
 554                     buttons++;
 555             }
 556     }
 557
 558         fake_current_js_state(This);
 559
 560     return 0;
 561 }
 562
 563 /******************************************************************************
 564   *     Unacquire : frees the joystick
 565   */
 566 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 567 {
 568     JoystickImpl *This = (JoystickImpl *)iface;
 569
 570     TRACE("(this=%p)\n",This);
 571     if (This->joyfd!=-1) {
 572         close(This->joyfd);
 573         This->joyfd = -1;
 574         return DI_OK;
 575     }
 576     else
 577         return DI_NOEFFECT;
 578 }
 579
 580 /*
 581  * This maps the read value (from the input event) to a value in the
 582  * 'wanted' range. It also autodetects the possible range of the axe and
 583  * adapts values accordingly.
 584  */
 585 static int
 586 map_axis(JoystickImpl* This, int axis, int val) {
 587     int xmin = This->axes[axis][AXE_ABSMIN];
 588     int xmax = This->axes[axis][AXE_ABSMAX];
 589     int hmax = This->havemax[axis];
 590     int hmin = This->havemin[axis];
 591     int wmin = This->wantmin[axis];
 592     int wmax = This->wantmax[axis];
 593     int ret;
 594
 595     if (val > hmax) This->havemax[axis] = hmax = val;
 596     if (val < hmin) This->havemin[axis] = hmin = val;
 597
 598     if (xmin == xmax) return val;
 599
 600     /* map the value from the hmin-hmax range into the wmin-wmax range */
 601     ret = ((val-hmin) * (wmax-wmin)) / (hmax-hmin) + wmin;
 602
 603     TRACE("xmin=%d xmax=%d hmin=%d hmax=%d wmin=%d wmax=%d val=%d ret=%d\n", xmin, xmax, hmin, hmax, wmin, wmax, val, ret);
 604
 605 #if 0
 606     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 607     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 608         FIXME("%d in deadzone, return mid.\n",val);
 609         return (wmax-wmin)/2+wmin;
 610     }
 611 #endif
 612     return ret;
 613 }
 614
 615 /*
 616  * set the current state of the js device as it would be with the middle
 617  * values on the axes
 618  */
 619 static void fake_current_js_state(JoystickImpl *ji)
 620 {
 621         ji->js.lX  = map_axis(ji, ABS_X,  ji->axes[ABS_X ][AXE_ABS]);
 622         ji->js.lY  = map_axis(ji, ABS_Y,  ji->axes[ABS_Y ][AXE_ABS]);
 623         ji->js.lZ  = map_axis(ji, ABS_Z,  ji->axes[ABS_Z ][AXE_ABS]);
 624         ji->js.lRx = map_axis(ji, ABS_RX, ji->axes[ABS_RX][AXE_ABS]);
 625         ji->js.lRy = map_axis(ji, ABS_RY, ji->axes[ABS_RY][AXE_ABS]);
 626         ji->js.lRz = map_axis(ji, ABS_RZ, ji->axes[ABS_RZ][AXE_ABS]);
 627         ji->js.rglSlider[0] = map_axis(ji, ABS_THROTTLE, ji->axes[ABS_THROTTLE][AXE_ABS]);
 628         ji->js.rglSlider[1] = map_axis(ji, ABS_RUDDER,   ji->axes[ABS_RUDDER  ][AXE_ABS]);
 629 }
 630
 631 static int find_property_offset(JoystickImpl *This, LPCDIPROPHEADER ph)
 632 {
 633   switch (ph->dwHow) {
 634     case DIPH_BYOFFSET: {
 635                           int i;
 636                           for (i=0; i<This->df->dwNumObjs; i++) {
 637                             if (This->df->rgodf[i].dwOfs == ph->dwObj) {
 638                               return i;
 639                             }
 640                           }
 641                         }
 642                         break;
 643     case DIPH_BYID: {
 644                       return DIDFT_GETINSTANCE(ph->dwObj)>>WINE_JOYSTICK_AXIS_BASE;
 645                     }
 646                     break;
 647     default:
 648                     FIXME("Unhandled ph->dwHow=='%04X'\n", (unsigned int)ph->dwHow);
 649   }
 650
 651   return -1;
 652 }
 653
 654 static void joy_polldev(JoystickImpl *This) {
 655     struct timeval tv;
 656     fd_set      readfds;
 657     struct      input_event ie;
 658     int         btn;
 659
 660     if (This->joyfd==-1)
 661         return;
 662
 663     while (1) {
 664         memset(&tv,0,sizeof(tv));
 665         FD_ZERO(&readfds);
 666         FD_SET(This->joyfd,&readfds);
 667
 668         if (1>select(This->joyfd+1,&readfds,NULL,NULL,&tv))
 669             return;
 670
 671         /* we have one event, so we can read */
 672         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 673             return;
 674
 675         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 676         switch (ie.type) {
 677         case EV_KEY:    /* button */
 678                 btn = This->buttons[ie.code];
 679                 TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 680                 if (btn&0x80) {
 681                         btn &= 0x7F;
 682                         This->js.rgbButtons[btn] = ie.value?0x80:0x00;
 683                         GEN_EVENT(DIJOFS_BUTTON(btn),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
 684                 }
 685                 break;
 686         case EV_ABS:
 687             switch (ie.code) {
 688             case ABS_X:
 689                 This->js.lX = map_axis(This,ABS_X,ie.value);
 690                 GEN_EVENT(DIJOFS_X,This->js.lX,ie.time.tv_usec,(This->dinput->evsequence)++);
 691                 break;
 692             case ABS_Y:
 693                 This->js.lY = map_axis(This,ABS_Y,ie.value);
 694                 GEN_EVENT(DIJOFS_Y,This->js.lY,ie.time.tv_usec,(This->dinput->evsequence)++);
 695                 break;
 696             case ABS_Z:
 697                 This->js.lZ = map_axis(This,ABS_Z,ie.value);
 698                 GEN_EVENT(DIJOFS_Z,This->js.lZ,ie.time.tv_usec,(This->dinput->evsequence)++);
 699                 break;
 700             case ABS_RX:
 701                 This->js.lRx = map_axis(This,ABS_RX,ie.value);
 702                 GEN_EVENT(DIJOFS_RX,This->js.lRx,ie.time.tv_usec,(This->dinput->evsequence)++);
 703                 break;
 704             case ABS_RY:
 705                 This->js.lRy = map_axis(This,ABS_RY,ie.value);
 706                 GEN_EVENT(DIJOFS_RY,This->js.lRy,ie.time.tv_usec,(This->dinput->evsequence)++);
 707                 break;
 708             case ABS_RZ:
 709                 This->js.lRz = map_axis(This,ABS_RZ,ie.value);
 710                 GEN_EVENT(DIJOFS_RZ,This->js.lRz,ie.time.tv_usec,(This->dinput->evsequence)++);
 711                 break;
 712             case ABS_THROTTLE:
 713                 This->js.rglSlider[0] = map_axis(This,ABS_THROTTLE,ie.value);
 714                 GEN_EVENT(DIJOFS_SLIDER(0),This->js.rglSlider[0],ie.time.tv_usec,(This->dinput->evsequence)++);
 715                 break;
 716             case ABS_RUDDER:
 717                 This->js.rglSlider[1] = map_axis(This,ABS_RUDDER,ie.value);
 718                 GEN_EVENT(DIJOFS_SLIDER(1),This->js.rglSlider[1],ie.time.tv_usec,(This->dinput->evsequence)++);
 719                 break;
 720             default:
 721                 FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
 722                 break;
 723             }
 724             break;
 725 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 726         case EV_FF_STATUS:
 727             This->ff_state = ie.value;
 728             break;
 729 #endif
 730 #ifdef EV_SYN
 731         case EV_SYN:
 732             /* there is nothing to do */
 733             break;
 734 #endif
 735         default:
 736             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 737             break;
 738         }
 739     }
 740 }
 741
 742 /******************************************************************************
 743   *     GetDeviceState : returns the "state" of the joystick.
 744   *
 745   */
 746 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 747         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 748 ) {
 749     JoystickImpl *This = (JoystickImpl *)iface;
 750
 751     joy_polldev(This);
 752
 753     TRACE("(this=%p,0x%08lx,%p)\n",This,len,ptr);
 754     if ((len != sizeof(DIJOYSTATE)) && (len != sizeof(DIJOYSTATE2))) {
 755         FIXME("len %ld is not sizeof(DIJOYSTATE) or DIJOYSTATE2, unsupported format.\n",len);
 756         return E_FAIL;
 757     }
 758     memcpy(ptr,&(This->js),len);
 759     This->queue_head = 0;
 760     This->queue_tail = 0;
 761     return 0;
 762 }
 763
 764 /******************************************************************************
 765   *     GetDeviceData : gets buffered input data.
 766   */
 767 static HRESULT WINAPI JoystickAImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface,
 768                                               DWORD dodsize,
 769                                               LPDIDEVICEOBJECTDATA dod,
 770                                               LPDWORD entries,
 771                                               DWORD flags
 772 ) {
 773   JoystickImpl *This = (JoystickImpl *)iface;
 774   DWORD len;
 775   int nqtail;
 776   HRESULT hr = DI_OK;
 777
 778   TRACE("(%p)->(dods=%ld,entries=%ld,fl=0x%08lx)\n",This,dodsize,*entries,flags);
 779
 780   if (This->joyfd==-!1) {
 781     WARN("not acquired\n");
 782     return DIERR_NOTACQUIRED;
 783   }
 784
 785   joy_polldev(This);
 786   if (flags & DIGDD_PEEK)
 787     FIXME("DIGDD_PEEK\n");
 788
 789   len = ((This->queue_head < This->queue_tail) ? This->queue_len : 0)
 790     + (This->queue_head - This->queue_tail);
 791   if (len > *entries)
 792     len = *entries;
 793
 794   if (dod == NULL) {
 795     if (len)
 796       TRACE("Application discarding %ld event(s).\n", len);
 797
 798     *entries = len;
 799     nqtail = This->queue_tail + len;
 800     while (nqtail >= This->queue_len)
 801       nqtail -= This->queue_len;
 802   } else {
 803     if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3)) {
 804       ERR("Wrong structure size !\n");
 805       return DIERR_INVALIDPARAM;
 806   }
 807
 808     if (len)
 809       TRACE("Application retrieving %ld event(s).\n", len);
 810
 811     *entries = 0;
 812     nqtail = This->queue_tail;
 813     while (len) {
 814       /* Copy the buffered data into the application queue */
 815       memcpy((char *)dod + *entries * dodsize, This->data_queue + nqtail, dodsize);
 816       /* Advance position */
 817       nqtail++;
 818       if (nqtail >= This->queue_len)
 819         nqtail -= This->queue_len;
 820       (*entries)++;
 821       len--;
 822     }
 823   }
 824
 825   if (This->overflow) {
 826     hr = DI_BUFFEROVERFLOW;
 827     if (!(flags & DIGDD_PEEK)) {
 828       This->overflow = FALSE;
 829     }
 830   }
 831
 832   if (!(flags & DIGDD_PEEK))
 833     This->queue_tail = nqtail;
 834
 835   return hr;
 836 }
 837
 838 /******************************************************************************
 839   *     SetProperty : change input device properties
 840   */
 841 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 842                                             REFGUID rguid,
 843                                             LPCDIPROPHEADER ph)
 844 {
 845   JoystickImpl *This = (JoystickImpl *)iface;
 846
 847   if (!ph) {
 848     WARN("invalid argument\n");
 849     return DIERR_INVALIDPARAM;
 850   }
 851
 852   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 853   TRACE("ph.dwSize = %ld, ph.dwHeaderSize =%ld, ph.dwObj = %ld, ph.dwHow= %ld\n",ph->dwSize, ph->dwHeaderSize,ph->dwObj,ph->dwHow);
 854
 855   if (!HIWORD(rguid)) {
 856     switch (LOWORD(rguid)) {
 857     case (DWORD) DIPROP_BUFFERSIZE: {
 858       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 859
 860       TRACE("buffersize = %ld\n",pd->dwData);
 861       if (This->data_queue) {
 862         This->data_queue = HeapReAlloc(GetProcessHeap(),0, This->data_queue, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
 863       } else {
 864         This->data_queue = HeapAlloc(GetProcessHeap(),0, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
 865       }
 866       This->queue_head = 0;
 867       This->queue_tail = 0;
 868       This->queue_len  = pd->dwData;
 869       break;
 870     }
 871     case (DWORD)DIPROP_RANGE: {
 872       LPCDIPROPRANGE    pr = (LPCDIPROPRANGE)ph;
 873
 874       if (ph->dwHow == DIPH_DEVICE) {
 875         int i;
 876         TRACE("proprange(%ld,%ld) all\n",pr->lMin,pr->lMax);
 877         for (i = 0; i < This->df->dwNumObjs; i++) {
 878           This->wantmin[i] = pr->lMin;
 879           This->wantmax[i] = pr->lMax;
 880         }
 881       } else {
 882         int obj = find_property_offset(This, ph);
 883         TRACE("proprange(%ld,%ld) obj=%d\n",pr->lMin,pr->lMax,obj);
 884         if (obj >= 0) {
 885           This->wantmin[obj] = pr->lMin;
 886           This->wantmax[obj] = pr->lMax;
 887         }
 888       }
 889       return DI_OK;
 890     }
 891     case (DWORD)DIPROP_DEADZONE: {
 892       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 893       if (ph->dwHow == DIPH_DEVICE) {
 894         int i;
 895         TRACE("deadzone(%ld) all\n",pd->dwData);
 896         for (i = 0; i < This->df->dwNumObjs; i++) {
 897           This->deadz[i] = pd->dwData;
 898         }
 899       } else {
 900         int obj = find_property_offset(This, ph);
 901         TRACE("deadzone(%ld) obj=%d\n",pd->dwData,obj);
 902         if (obj >= 0) {
 903           This->deadz[obj] = pd->dwData;
 904         }
 905       }
 906       return DI_OK;
 907     }
 908     default:
 909       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
 910       break;
 911     }
 912   }
 913   fake_current_js_state(This);
 914   return 0;
 915 }
 916
 917 /******************************************************************************
 918   *     SetEventNotification : specifies event to be sent on state change
 919   */
 920 static HRESULT WINAPI JoystickAImpl_SetEventNotification(
 921         LPDIRECTINPUTDEVICE8A iface, HANDLE hnd
 922 ) {
 923     JoystickImpl *This = (JoystickImpl *)iface;
 924
 925     TRACE("(this=%p,%p)\n",This,hnd);
 926     This->hEvent = hnd;
 927     return DI_OK;
 928 }
 929
 930 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 931         LPDIRECTINPUTDEVICE8A iface,
 932         LPDIDEVCAPS lpDIDevCaps)
 933 {
 934     JoystickImpl *This = (JoystickImpl *)iface;
 935     int         xfd = This->joyfd;
 936     int         i,axes,buttons;
 937
 938     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 939
 940     if (!lpDIDevCaps) {
 941         WARN("invalid pointer\n");
 942         return E_POINTER;
 943     }
 944
 945     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 946         WARN("invalid argument\n");
 947         return DIERR_INVALIDPARAM;
 948     }
 949
 950     if (xfd==-1) {
 951         /* yes, games assume we return something, even if unacquired */
 952         JoystickAImpl_Acquire(iface);
 953     }
 954
 955     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 956     if (This->dinput->dwVersion >= 0x0800)
 957         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 958     else
 959         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 960
 961     axes=0;
 962     for (i=0;i<ABS_MAX;i++) if (test_bit(This->absbits,i)) axes++;
 963     buttons=0;
 964     for (i=0;i<KEY_MAX;i++) if (test_bit(This->keybits,i)) buttons++;
 965
 966     if (This->has_ff)
 967          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 968
 969     lpDIDevCaps->dwAxes = axes;
 970     lpDIDevCaps->dwButtons = buttons;
 971
 972     if (xfd==-1) {
 973       JoystickAImpl_Unacquire(iface);
 974     }
 975
 976     return DI_OK;
 977 }
 978
 979 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 980     JoystickImpl *This = (JoystickImpl *)iface;
 981     TRACE("(%p)\n",This);
 982
 983     if (This->joyfd==-1) {
 984       return DIERR_NOTACQUIRED;
 985     }
 986
 987     joy_polldev(This);
 988     return DI_OK;
 989 }
 990
 991 /******************************************************************************
 992   *     EnumObjects : enumerate the different buttons and axis...
 993   */
 994 static HRESULT WINAPI JoystickAImpl_EnumObjects(
 995         LPDIRECTINPUTDEVICE8A iface,
 996         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
 997         LPVOID lpvRef,
 998         DWORD dwFlags)
 999 {
1000   JoystickImpl *This = (JoystickImpl *)iface;
1001   DIDEVICEOBJECTINSTANCEA ddoi;
1002   int xfd = This->joyfd;
1003
1004   TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
1005   if (TRACE_ON(dinput)) {
1006     TRACE("  - flags = ");
1007     _dump_EnumObjects_flags(dwFlags);
1008     TRACE("\n");
1009   }
1010
1011   /* We need to work even if we're not yet acquired */
1012   if (xfd == -1)
1013     IDirectInputDevice8_Acquire(iface);
1014
1015   /* Only the fields till dwFFMaxForce are relevant */
1016   ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
1017
1018   /* For the joystick, do as is done in the GetCapabilities function */
1019   /* FIXME: needs more items */
1020   if ((dwFlags == DIDFT_ALL) ||
1021       (dwFlags & DIDFT_AXIS)) {
1022     BYTE i;
1023
1024     for (i = 0; i < ABS_MAX; i++) {
1025       if (!test_bit(This->absbits,i)) continue;
1026
1027       switch (i) {
1028       case ABS_X:
1029         ddoi.guidType = GUID_XAxis;
1030         ddoi.dwOfs = DIJOFS_X;
1031         break;
1032       case ABS_Y:
1033         ddoi.guidType = GUID_YAxis;
1034         ddoi.dwOfs = DIJOFS_Y;
1035         break;
1036       case ABS_Z:
1037         ddoi.guidType = GUID_ZAxis;
1038         ddoi.dwOfs = DIJOFS_Z;
1039         break;
1040       case ABS_RX:
1041         ddoi.guidType = GUID_RxAxis;
1042         ddoi.dwOfs = DIJOFS_RX;
1043         break;
1044       case ABS_RY:
1045         ddoi.guidType = GUID_RyAxis;
1046         ddoi.dwOfs = DIJOFS_RY;
1047         break;
1048       case ABS_RZ:
1049         ddoi.guidType = GUID_RzAxis;
1050         ddoi.dwOfs = DIJOFS_RZ;
1051         break;
1052       case ABS_THROTTLE:
1053         ddoi.guidType = GUID_Slider;
1054         ddoi.dwOfs = DIJOFS_SLIDER(0);
1055         break;
1056       case ABS_RUDDER:
1057         ddoi.guidType = GUID_Slider;
1058         ddoi.dwOfs = DIJOFS_SLIDER(1);
1059         break;
1060       default:
1061         FIXME("unhandled abs axis %d, ignoring!\n",i);
1062       }
1063       ddoi.dwType = DIDFT_MAKEINSTANCE(i << WINE_JOYSTICK_AXIS_BASE) | DIDFT_ABSAXIS;
1064       /* Linux event force feedback supports only (and always) x and y axes */
1065       if (i == ABS_X || i == ABS_Y) {
1066         if (This->has_ff)
1067           ddoi.dwFlags |= DIDOI_FFACTUATOR;
1068       }
1069       sprintf(ddoi.tszName, "%d-Axis", i);
1070       _dump_OBJECTINSTANCEA(&ddoi);
1071       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1072         /* return to unaquired state if that's where we were */
1073         if (xfd == -1)
1074           IDirectInputDevice8_Unacquire(iface);
1075         return DI_OK;
1076       }
1077     }
1078   }
1079
1080   if ((dwFlags == DIDFT_ALL) ||
1081       (dwFlags & DIDFT_BUTTON)) {
1082     int i, btncount=0;
1083
1084     /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/
1085
1086     ddoi.guidType = GUID_Button;
1087
1088     for (i = 0; i < KEY_MAX; i++) {
1089       if (!test_bit(This->keybits,i)) continue;
1090       ddoi.dwOfs = DIJOFS_BUTTON(btncount);
1091       ddoi.dwType = DIDFT_MAKEINSTANCE(btncount << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
1092       sprintf(ddoi.tszName, "%d-Button", btncount);
1093       btncount++;
1094       _dump_OBJECTINSTANCEA(&ddoi);
1095       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1096         /* return to unaquired state if that's where we were */
1097         if (xfd == -1)
1098           IDirectInputDevice8_Unacquire(iface);
1099         return DI_OK;
1100       }
1101     }
1102   }
1103
1104   /* return to unaquired state if that's where we were */
1105   if (xfd == -1)
1106     IDirectInputDevice8_Unacquire(iface);
1107
1108   return DI_OK;
1109 }
1110
1111 static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
1112                                                 LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
1113                                                 LPVOID lpvRef,
1114                                                 DWORD dwFlags)
1115 {
1116   JoystickImpl *This = (JoystickImpl *)iface;
1117
1118   device_enumobjects_AtoWcb_data data;
1119
1120   data.lpCallBack = lpCallback;
1121   data.lpvRef = lpvRef;
1122
1123   return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
1124 }
1125
1126 /******************************************************************************
1127   *     GetProperty : get input device properties
1128   */
1129 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1130                                                 REFGUID rguid,
1131                                                 LPDIPROPHEADER pdiph)
1132 {
1133   JoystickImpl *This = (JoystickImpl *)iface;
1134
1135   TRACE("(this=%p,%s,%p)\n",
1136         iface, debugstr_guid(rguid), pdiph);
1137
1138   if (TRACE_ON(dinput))
1139     _dump_DIPROPHEADER(pdiph);
1140
1141   if (!HIWORD(rguid)) {
1142     switch (LOWORD(rguid)) {
1143     case (DWORD) DIPROP_BUFFERSIZE: {
1144       LPDIPROPDWORD     pd = (LPDIPROPDWORD)pdiph;
1145
1146       TRACE(" return buffersize = %d\n",This->queue_len);
1147       pd->dwData = This->queue_len;
1148       break;
1149     }
1150
1151     case (DWORD) DIPROP_RANGE: {
1152       /* LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph; */
1153       if ((pdiph->dwHow == DIPH_BYID) &&
1154           (pdiph->dwObj & DIDFT_ABSAXIS)) {
1155         /* The app is querying the current range of the axis : return the lMin and lMax values */
1156         FIXME("unimplemented axis range query.\n");
1157       }
1158
1159       break;
1160     }
1161
1162     default:
1163       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
1164       break;
1165     }
1166   }
1167
1168
1169   return DI_OK;
1170 }
1171
1172 /******************************************************************************
1173   *     CreateEffect - Create a new FF effect with the specified params
1174   */
1175 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1176                                                  REFGUID rguid,
1177                                                  LPCDIEFFECT lpeff,
1178                                                  LPDIRECTINPUTEFFECT *ppdef,
1179                                                  LPUNKNOWN pUnkOuter)
1180 {
1181 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1182     EffectListItem* new = NULL;
1183     HRESULT retval = DI_OK;
1184 #endif
1185
1186     JoystickImpl* This = (JoystickImpl*)iface;
1187     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1188
1189 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1190     TRACE("not available (compiled w/o ff support)\n");
1191     *ppdef = NULL;
1192     return DI_OK;
1193 #else
1194
1195     new = malloc(sizeof(EffectListItem));
1196     new->next = This->top_effect;
1197     This->top_effect = new;
1198
1199     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1200     if (retval != DI_OK)
1201         return retval;
1202
1203     if (lpeff != NULL)
1204         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1205     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1206         return retval;
1207
1208     *ppdef = new->ref;
1209
1210     if (pUnkOuter != NULL)
1211         FIXME("Interface aggregation not implemented.\n");
1212
1213     return DI_OK;
1214
1215 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1216 }
1217
1218 /*******************************************************************************
1219  *      EnumEffects - Enumerate available FF effects
1220  */
1221 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1222                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1223                                                 LPVOID pvRef,
1224                                                 DWORD dwEffType)
1225 {
1226 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1227     DIEFFECTINFOA dei; /* feif */
1228     DWORD type = DIEFT_GETTYPE(dwEffType);
1229     JoystickImpl* This = (JoystickImpl*)iface;
1230     int xfd = This->joyfd;
1231
1232     TRACE("(this=%p,%p,%ld) type=%ld fd=%d\n", This, pvRef, dwEffType, type, xfd);
1233
1234     dei.dwSize = sizeof(DIEFFECTINFOA);
1235
1236     /* We need to return something even if we're not yet acquired */
1237     if (xfd == -1)
1238         IDirectInputDevice8_Acquire(iface);
1239
1240     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1241         && test_bit(This->ffbits, FF_CONSTANT)) {
1242         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1243         (*lpCallback)(&dei, pvRef);
1244     }
1245
1246     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1247         && test_bit(This->ffbits, FF_PERIODIC)) {
1248         if (test_bit(This->ffbits, FF_SQUARE)) {
1249             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1250             (*lpCallback)(&dei, pvRef);
1251         }
1252         if (test_bit(This->ffbits, FF_SINE)) {
1253             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1254             (*lpCallback)(&dei, pvRef);
1255         }
1256         if (test_bit(This->ffbits, FF_TRIANGLE)) {
1257             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1258             (*lpCallback)(&dei, pvRef);
1259         }
1260         if (test_bit(This->ffbits, FF_SAW_UP)) {
1261             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1262             (*lpCallback)(&dei, pvRef);
1263         }
1264         if (test_bit(This->ffbits, FF_SAW_DOWN)) {
1265             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1266             (*lpCallback)(&dei, pvRef);
1267         }
1268     }
1269
1270     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1271         && test_bit(This->ffbits, FF_RAMP)) {
1272         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1273         (*lpCallback)(&dei, pvRef);
1274     }
1275
1276     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1277         if (test_bit(This->ffbits, FF_SPRING)) {
1278             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1279             (*lpCallback)(&dei, pvRef);
1280         }
1281         if (test_bit(This->ffbits, FF_DAMPER)) {
1282             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1283             (*lpCallback)(&dei, pvRef);
1284         }
1285         if (test_bit(This->ffbits, FF_INERTIA)) {
1286             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1287             (*lpCallback)(&dei, pvRef);
1288         }
1289         if (test_bit(This->ffbits, FF_FRICTION)) {
1290             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1291             (*lpCallback)(&dei, pvRef);
1292         }
1293     }
1294
1295     /* return to unaquired state if that's where it was */
1296     if (xfd == -1)
1297         IDirectInputDevice8_Unacquire(iface);
1298 #endif
1299
1300     return DI_OK;
1301 }
1302
1303 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1304                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1305                                                 LPVOID pvRef,
1306                                                 DWORD dwEffType)
1307 {
1308 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1309     /* seems silly to duplicate all this code but all the structures and functions
1310      * are actually different (A/W) */
1311     DIEFFECTINFOW dei; /* feif */
1312     DWORD type = DIEFT_GETTYPE(dwEffType);
1313     JoystickImpl* This = (JoystickImpl*)iface;
1314     int xfd = This->joyfd;
1315
1316     TRACE("(this=%p,%p,%ld) type=%ld fd=%d\n", This, pvRef, dwEffType, type, xfd);
1317
1318     dei.dwSize = sizeof(DIEFFECTINFOW);
1319
1320     /* We need to return something even if we're not yet acquired */
1321     if (xfd == -1)
1322         IDirectInputDevice8_Acquire(iface);
1323
1324     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1325         && test_bit(This->ffbits, FF_CONSTANT)) {
1326         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1327         (*lpCallback)(&dei, pvRef);
1328     }
1329
1330     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1331         && test_bit(This->ffbits, FF_PERIODIC)) {
1332         if (test_bit(This->ffbits, FF_SQUARE)) {
1333             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1334             (*lpCallback)(&dei, pvRef);
1335         }
1336         if (test_bit(This->ffbits, FF_SINE)) {
1337             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1338             (*lpCallback)(&dei, pvRef);
1339         }
1340         if (test_bit(This->ffbits, FF_TRIANGLE)) {
1341             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1342             (*lpCallback)(&dei, pvRef);
1343         }
1344         if (test_bit(This->ffbits, FF_SAW_UP)) {
1345             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1346             (*lpCallback)(&dei, pvRef);
1347         }
1348         if (test_bit(This->ffbits, FF_SAW_DOWN)) {
1349             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1350             (*lpCallback)(&dei, pvRef);
1351         }
1352     }
1353
1354     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1355         && test_bit(This->ffbits, FF_RAMP)) {
1356         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1357         (*lpCallback)(&dei, pvRef);
1358     }
1359
1360     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1361         if (test_bit(This->ffbits, FF_SPRING)) {
1362             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1363             (*lpCallback)(&dei, pvRef);
1364         }
1365         if (test_bit(This->ffbits, FF_DAMPER)) {
1366             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1367             (*lpCallback)(&dei, pvRef);
1368         }
1369         if (test_bit(This->ffbits, FF_INERTIA)) {
1370             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1371             (*lpCallback)(&dei, pvRef);
1372         }
1373         if (test_bit(This->ffbits, FF_FRICTION)) {
1374             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1375             (*lpCallback)(&dei, pvRef);
1376         }
1377     }
1378
1379     /* return to unaquired state if that's where it was */
1380     if (xfd == -1)
1381         IDirectInputDevice8_Unacquire(iface);
1382 #endif
1383
1384     return DI_OK;
1385 }
1386
1387 /*******************************************************************************
1388  *      GetEffectInfo - Get information about a particular effect
1389  */
1390 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1391                                                   LPDIEFFECTINFOA pdei,
1392                                                   REFGUID guid)
1393 {
1394     JoystickImpl* This = (JoystickImpl*)iface;
1395
1396     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1397
1398 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1399     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1400 #else
1401     return DI_OK;
1402 #endif
1403 }
1404
1405 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1406                                                   LPDIEFFECTINFOW pdei,
1407                                                   REFGUID guid)
1408 {
1409     JoystickImpl* This = (JoystickImpl*)iface;
1410
1411     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1412
1413 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1414     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1415 #else
1416     return DI_OK;
1417 #endif
1418 }
1419
1420 /*******************************************************************************
1421  *      GetForceFeedbackState - Get information about the device's FF state
1422  */
1423 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1424         LPDIRECTINPUTDEVICE8A iface,
1425         LPDWORD pdwOut)
1426 {
1427     JoystickImpl* This = (JoystickImpl*)iface;
1428
1429     TRACE("(this=%p,%p)\n", This, pdwOut);
1430
1431     (*pdwOut) = 0;
1432
1433 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1434     /* DIGFFS_STOPPED is the only mandatory flag to report */
1435     if (This->ff_state == FF_STATUS_STOPPED)
1436         (*pdwOut) |= DIGFFS_STOPPED;
1437 #endif
1438
1439     return DI_OK;
1440 }
1441
1442 /*******************************************************************************
1443  *      SendForceFeedbackCommand - Send a command to the device's FF system
1444  */
1445 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1446         LPDIRECTINPUTDEVICE8A iface,
1447         DWORD dwFlags)
1448 {
1449     JoystickImpl* This = (JoystickImpl*)iface;
1450     TRACE("(this=%p,%ld)\n", This, dwFlags);
1451
1452 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1453     if (dwFlags == DISFFC_STOPALL) {
1454         /* Stop all effects */
1455         EffectListItem* itr = This->top_effect;
1456         while (itr) {
1457             IDirectInputEffect_Stop(itr->ref);
1458             itr = itr->next;
1459         }
1460     } else if (dwFlags == DISFFC_RESET) {
1461         /* Stop, unload, release and free all effects */
1462         /* This returns the device to its "bare" state */
1463         while (This->top_effect) {
1464             EffectListItem* temp = This->top_effect;
1465             IDirectInputEffect_Stop(temp->ref);
1466             IDirectInputEffect_Unload(temp->ref);
1467             IDirectInputEffect_Release(temp->ref);
1468             This->top_effect = temp->next;
1469             free(temp);
1470         }
1471     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1472         FIXME("No support for Pause or Continue in linux\n");
1473     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1474                 || dwFlags == DISFFC_SETACTUATORSON) {
1475         FIXME("No direct actuator control in linux\n");
1476     } else {
1477         FIXME("Unknown Force Feedback Command!\n");
1478         return DIERR_INVALIDPARAM;
1479     }
1480     return DI_OK;
1481 #else
1482     return DIERR_UNSUPPORTED;
1483 #endif
1484 }
1485
1486 /*******************************************************************************
1487  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1488  *              created for this device.
1489  */
1490 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1491         LPDIRECTINPUTDEVICE8A iface,
1492         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1493         LPVOID pvRef,
1494         DWORD dwFlags)
1495 {
1496     /* this function is safe to call on non-ff-enabled builds */
1497
1498     JoystickImpl* This = (JoystickImpl*)iface;
1499     EffectListItem* itr = This->top_effect;
1500     TRACE("(this=%p,%p,%p,%ld)\n", This, lpCallback, pvRef, dwFlags);
1501
1502     if (!lpCallback)
1503         return DIERR_INVALIDPARAM;
1504
1505     if (dwFlags != 0)
1506         FIXME("Flags specified, but no flags exist yet (DX9)!");
1507
1508     while (itr) {
1509         (*lpCallback)(itr->ref, pvRef);
1510         itr = itr->next;
1511     }
1512
1513     return DI_OK;
1514 }
1515
1516 static const IDirectInputDevice8AVtbl JoystickAvt =
1517 {
1518         IDirectInputDevice2AImpl_QueryInterface,
1519         IDirectInputDevice2AImpl_AddRef,
1520         JoystickAImpl_Release,
1521         JoystickAImpl_GetCapabilities,
1522         JoystickAImpl_EnumObjects,
1523         JoystickAImpl_GetProperty,
1524         JoystickAImpl_SetProperty,
1525         JoystickAImpl_Acquire,
1526         JoystickAImpl_Unacquire,
1527         JoystickAImpl_GetDeviceState,
1528         JoystickAImpl_GetDeviceData,
1529         JoystickAImpl_SetDataFormat,
1530         JoystickAImpl_SetEventNotification,
1531         IDirectInputDevice2AImpl_SetCooperativeLevel,
1532         IDirectInputDevice2AImpl_GetObjectInfo,
1533         IDirectInputDevice2AImpl_GetDeviceInfo,
1534         IDirectInputDevice2AImpl_RunControlPanel,
1535         IDirectInputDevice2AImpl_Initialize,
1536         JoystickAImpl_CreateEffect,
1537         JoystickAImpl_EnumEffects,
1538         JoystickAImpl_GetEffectInfo,
1539         JoystickAImpl_GetForceFeedbackState,
1540         JoystickAImpl_SendForceFeedbackCommand,
1541         JoystickAImpl_EnumCreatedEffectObjects,
1542         IDirectInputDevice2AImpl_Escape,
1543         JoystickAImpl_Poll,
1544         IDirectInputDevice2AImpl_SendDeviceData,
1545         IDirectInputDevice7AImpl_EnumEffectsInFile,
1546         IDirectInputDevice7AImpl_WriteEffectToFile,
1547         IDirectInputDevice8AImpl_BuildActionMap,
1548         IDirectInputDevice8AImpl_SetActionMap,
1549         IDirectInputDevice8AImpl_GetImageInfo
1550 };
1551
1552 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1553 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1554 #else
1555 # define XCAST(fun)     (void*)
1556 #endif
1557
1558 static const IDirectInputDevice8WVtbl JoystickWvt =
1559 {
1560         IDirectInputDevice2WImpl_QueryInterface,
1561         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1562         XCAST(Release)JoystickAImpl_Release,
1563         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1564         JoystickWImpl_EnumObjects,
1565         XCAST(GetProperty)JoystickAImpl_GetProperty,
1566         XCAST(SetProperty)JoystickAImpl_SetProperty,
1567         XCAST(Acquire)JoystickAImpl_Acquire,
1568         XCAST(Unacquire)JoystickAImpl_Unacquire,
1569         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1570         XCAST(GetDeviceData)JoystickAImpl_GetDeviceData,
1571         XCAST(SetDataFormat)JoystickAImpl_SetDataFormat,
1572         XCAST(SetEventNotification)JoystickAImpl_SetEventNotification,
1573         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1574         IDirectInputDevice2WImpl_GetObjectInfo,
1575         IDirectInputDevice2WImpl_GetDeviceInfo,
1576         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1577         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1578         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1579         JoystickWImpl_EnumEffects,
1580         JoystickWImpl_GetEffectInfo,
1581         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1582         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1583         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1584         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1585         XCAST(Poll)JoystickAImpl_Poll,
1586         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1587         IDirectInputDevice7WImpl_EnumEffectsInFile,
1588         IDirectInputDevice7WImpl_WriteEffectToFile,
1589         IDirectInputDevice8WImpl_BuildActionMap,
1590         IDirectInputDevice8WImpl_SetActionMap,
1591         IDirectInputDevice8WImpl_GetImageInfo
1592 };
1593 #undef XCAST
1594
1595 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1596
1597 const struct dinput_device joystick_linuxinput_device = {
1598   "Wine Linux-input joystick driver",
1599   NULL,
1600   NULL,
1601   NULL,
1602   NULL
1603 };
1604
1605 #endif  /* HAVE_CORRECT_LINUXINPUT_H */