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 0;
 470     for (i=0;i<64;i++) {
 471       sprintf(buf,EVDEVPREFIX"%d",i);
 472       if (-1==(This->joyfd=open(buf,O_RDWR))) {
 473         if (-1==(This->joyfd=open(buf,O_RDONLY))) {
 474           /* Couldn't open the device at all */
 475           if (errno==ENODEV)
 476             return DIERR_NOTFOUND;
 477           perror(buf);
 478           continue;
 479         }
 480         else {
 481           /* Couldn't open in r/w but opened in read-only. */
 482           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n",buf);
 483         }
 484       }
 485       else {
 486         /* Opened device in read-write */
 487         readonly = FALSE;
 488       }
 489       if ((-1!=ioctl(This->joyfd,EVIOCGBIT(0,sizeof(This->evbits)),This->evbits)) &&
 490           (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_ABS,sizeof(This->absbits)),This->absbits)) &&
 491           (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_KEY,sizeof(This->keybits)),This->keybits)) &&
 492           (test_bit(This->absbits,ABS_X) && test_bit(This->absbits,ABS_Y) &&
 493            (test_bit(This->keybits,BTN_TRIGGER)||
 494             test_bit(This->keybits,BTN_A)        ||
 495             test_bit(This->keybits,BTN_1)
 496           )
 497          )
 498       )
 499         break;
 500       close(This->joyfd);
 501       This->joyfd = -1;
 502     }
 503     if (This->joyfd==-1)
 504         return DIERR_NOTFOUND;
 505
 506     This->has_ff = FALSE;
 507     This->num_effects = 0;
 508
 509 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 510     if (!readonly && test_bit(This->evbits, EV_FF)) {
 511         if (-1!=ioctl(This->joyfd,EVIOCGBIT(EV_FF,sizeof(This->ffbits)),This->ffbits)) {
 512             if (-1!=ioctl(This->joyfd,EVIOCGEFFECTS,&This->num_effects)
 513                 && This->num_effects > 0) {
 514                 This->has_ff = TRUE;
 515                 TRACE("Joystick seems to be capable of force feedback.\n");
 516             }
 517             else {
 518                 TRACE("Joystick does not support any effects, disabling force feedback.\n");
 519             }
 520         }
 521         else {
 522             TRACE("Could not get EV_FF bits; disabling force feedback.\n");
 523         }
 524     }
 525     else {
 526         TRACE("Force feedback disabled (device is readonly or joystick incapable).\n");
 527     }
 528 #endif
 529
 530     for (i=0;i<ABS_MAX;i++) {
 531         if (test_bit(This->absbits,i)) {
 532           if (-1==ioctl(This->joyfd,EVIOCGABS(i),&(This->axes[i])))
 533             continue;
 534           TRACE("axe %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 535               i,
 536               This->axes[i][AXE_ABS],
 537               This->axes[i][AXE_ABSMIN],
 538               This->axes[i][AXE_ABSMAX],
 539               This->axes[i][AXE_ABSFUZZ],
 540               This->axes[i][AXE_ABSFLAT]
 541           );
 542           This->havemin[i] = This->axes[i][AXE_ABSMIN];
 543           This->havemax[i] = This->axes[i][AXE_ABSMAX];
 544         }
 545     }
 546     buttons = 0;
 547     for (i=0;i<KEY_MAX;i++) {
 548             if (test_bit(This->keybits,i)) {
 549                     TRACE("button %d: %d\n", i, buttons);
 550                     This->buttons[i] = 0x80 | buttons;
 551                     buttons++;
 552             }
 553     }
 554
 555         fake_current_js_state(This);
 556
 557     return 0;
 558 }
 559
 560 /******************************************************************************
 561   *     Unacquire : frees the joystick
 562   */
 563 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 564 {
 565     JoystickImpl *This = (JoystickImpl *)iface;
 566
 567     TRACE("(this=%p)\n",This);
 568     if (This->joyfd!=-1) {
 569         close(This->joyfd);
 570         This->joyfd = -1;
 571         return DI_OK;
 572     }
 573     else
 574         return DI_NOEFFECT;
 575 }
 576
 577 /*
 578  * This maps the read value (from the input event) to a value in the
 579  * 'wanted' range. It also autodetects the possible range of the axe and
 580  * adapts values accordingly.
 581  */
 582 static int
 583 map_axis(JoystickImpl* This, int axis, int val) {
 584     int xmin = This->axes[axis][AXE_ABSMIN];
 585     int xmax = This->axes[axis][AXE_ABSMAX];
 586     int hmax = This->havemax[axis];
 587     int hmin = This->havemin[axis];
 588     int wmin = This->wantmin[axis];
 589     int wmax = This->wantmax[axis];
 590     int ret;
 591
 592     if (val > hmax) This->havemax[axis] = hmax = val;
 593     if (val < hmin) This->havemin[axis] = hmin = val;
 594
 595     if (xmin == xmax) return val;
 596
 597     /* map the value from the hmin-hmax range into the wmin-wmax range */
 598     ret = ((val-hmin) * (wmax-wmin)) / (hmax-hmin) + wmin;
 599
 600     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);
 601
 602 #if 0
 603     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 604     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 605         FIXME("%d in deadzone, return mid.\n",val);
 606         return (wmax-wmin)/2+wmin;
 607     }
 608 #endif
 609     return ret;
 610 }
 611
 612 /*
 613  * set the current state of the js device as it would be with the middle
 614  * values on the axes
 615  */
 616 static void fake_current_js_state(JoystickImpl *ji)
 617 {
 618         ji->js.lX  = map_axis(ji, ABS_X,  ji->axes[ABS_X ][AXE_ABS]);
 619         ji->js.lY  = map_axis(ji, ABS_Y,  ji->axes[ABS_Y ][AXE_ABS]);
 620         ji->js.lZ  = map_axis(ji, ABS_Z,  ji->axes[ABS_Z ][AXE_ABS]);
 621         ji->js.lRx = map_axis(ji, ABS_RX, ji->axes[ABS_RX][AXE_ABS]);
 622         ji->js.lRy = map_axis(ji, ABS_RY, ji->axes[ABS_RY][AXE_ABS]);
 623         ji->js.lRz = map_axis(ji, ABS_RZ, ji->axes[ABS_RZ][AXE_ABS]);
 624         ji->js.rglSlider[0] = map_axis(ji, ABS_THROTTLE, ji->axes[ABS_THROTTLE][AXE_ABS]);
 625         ji->js.rglSlider[1] = map_axis(ji, ABS_RUDDER,   ji->axes[ABS_RUDDER  ][AXE_ABS]);
 626 }
 627
 628 static int find_property_offset(JoystickImpl *This, LPCDIPROPHEADER ph)
 629 {
 630   int i,c;
 631   switch (ph->dwHow) {
 632     case DIPH_BYOFFSET:
 633       for (i=0; i<This->df->dwNumObjs; i++) {
 634         if (This->df->rgodf[i].dwOfs == ph->dwObj) {
 635           return i;
 636         }
 637       }
 638       break;
 639     case DIPH_BYID:
 640       /* XXX: this is a hack - see below */
 641       c = DIDFT_GETINSTANCE(ph->dwObj)>>WINE_JOYSTICK_AXIS_BASE;
 642       for (i=0; (c&1)==0 && i<0x0F; i++) {
 643         c >>= 1;
 644       }
 645       if (i<0x0F) {
 646         return i;
 647       }
 648
 649       /* XXX - the following part won't work with LiveForSpeed
 650        * - the game sets the dwTypes to something else then
 651        * the ddoi.dwType set in EnumObjects
 652        */
 653 #if 0
 654       for (i=0; i<This->df->dwNumObjs; i++) {
 655         TRACE("dwType='%08x'\n", This->df->rgodf[i].dwType);
 656         if ((This->df->rgodf[i].dwType & 0x00ffffff) == (ph->dwObj & 0x00ffffff)) {
 657           return i;
 658         }
 659       }
 660 #endif
 661       break;
 662     default:
 663       FIXME("Unhandled ph->dwHow=='%04X'\n", (unsigned int)ph->dwHow);
 664   }
 665
 666   return -1;
 667 }
 668
 669 static void joy_polldev(JoystickImpl *This) {
 670     struct timeval tv;
 671     fd_set      readfds;
 672     struct      input_event ie;
 673     int         btn;
 674
 675     if (This->joyfd==-1)
 676         return;
 677
 678     while (1) {
 679         memset(&tv,0,sizeof(tv));
 680         FD_ZERO(&readfds);
 681         FD_SET(This->joyfd,&readfds);
 682
 683         if (1>select(This->joyfd+1,&readfds,NULL,NULL,&tv))
 684             return;
 685
 686         /* we have one event, so we can read */
 687         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 688             return;
 689
 690         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 691         switch (ie.type) {
 692         case EV_KEY:    /* button */
 693                 btn = This->buttons[ie.code];
 694                 TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 695                 if (btn&0x80) {
 696                         btn &= 0x7F;
 697                         This->js.rgbButtons[btn] = ie.value?0x80:0x00;
 698                         GEN_EVENT(DIJOFS_BUTTON(btn),ie.value?0x80:0x0,ie.time.tv_usec,(This->dinput->evsequence)++);
 699                 }
 700                 break;
 701         case EV_ABS:
 702             switch (ie.code) {
 703             case ABS_X:
 704                 This->js.lX = map_axis(This,ABS_X,ie.value);
 705                 GEN_EVENT(DIJOFS_X,This->js.lX,ie.time.tv_usec,(This->dinput->evsequence)++);
 706                 break;
 707             case ABS_Y:
 708                 This->js.lY = map_axis(This,ABS_Y,ie.value);
 709                 GEN_EVENT(DIJOFS_Y,This->js.lY,ie.time.tv_usec,(This->dinput->evsequence)++);
 710                 break;
 711             case ABS_Z:
 712                 This->js.lZ = map_axis(This,ABS_Z,ie.value);
 713                 GEN_EVENT(DIJOFS_Z,This->js.lZ,ie.time.tv_usec,(This->dinput->evsequence)++);
 714                 break;
 715             case ABS_RX:
 716                 This->js.lRx = map_axis(This,ABS_RX,ie.value);
 717                 GEN_EVENT(DIJOFS_RX,This->js.lRx,ie.time.tv_usec,(This->dinput->evsequence)++);
 718                 break;
 719             case ABS_RY:
 720                 This->js.lRy = map_axis(This,ABS_RY,ie.value);
 721                 GEN_EVENT(DIJOFS_RY,This->js.lRy,ie.time.tv_usec,(This->dinput->evsequence)++);
 722                 break;
 723             case ABS_RZ:
 724                 This->js.lRz = map_axis(This,ABS_RZ,ie.value);
 725                 GEN_EVENT(DIJOFS_RZ,This->js.lRz,ie.time.tv_usec,(This->dinput->evsequence)++);
 726                 break;
 727             case ABS_THROTTLE:
 728                 This->js.rglSlider[0] = map_axis(This,ABS_THROTTLE,ie.value);
 729                 GEN_EVENT(DIJOFS_SLIDER(0),This->js.rglSlider[0],ie.time.tv_usec,(This->dinput->evsequence)++);
 730                 break;
 731             case ABS_RUDDER:
 732                 This->js.rglSlider[1] = map_axis(This,ABS_RUDDER,ie.value);
 733                 GEN_EVENT(DIJOFS_SLIDER(1),This->js.rglSlider[1],ie.time.tv_usec,(This->dinput->evsequence)++);
 734                 break;
 735             default:
 736                 FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
 737                 break;
 738             }
 739             break;
 740 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 741         case EV_FF_STATUS:
 742             This->ff_state = ie.value;
 743             break;
 744 #endif
 745 #ifdef EV_SYN
 746         case EV_SYN:
 747             /* there is nothing to do */
 748             break;
 749 #endif
 750         default:
 751             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 752             break;
 753         }
 754     }
 755 }
 756
 757 /******************************************************************************
 758   *     GetDeviceState : returns the "state" of the joystick.
 759   *
 760   */
 761 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 762         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 763 ) {
 764     JoystickImpl *This = (JoystickImpl *)iface;
 765
 766     joy_polldev(This);
 767
 768     TRACE("(this=%p,0x%08lx,%p)\n",This,len,ptr);
 769     if ((len != sizeof(DIJOYSTATE)) && (len != sizeof(DIJOYSTATE2))) {
 770         FIXME("len %ld is not sizeof(DIJOYSTATE) or DIJOYSTATE2, unsupported format.\n",len);
 771         return E_FAIL;
 772     }
 773     memcpy(ptr,&(This->js),len);
 774     This->queue_head = 0;
 775     This->queue_tail = 0;
 776     return 0;
 777 }
 778
 779 /******************************************************************************
 780   *     GetDeviceData : gets buffered input data.
 781   */
 782 static HRESULT WINAPI JoystickAImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface,
 783                                               DWORD dodsize,
 784                                               LPDIDEVICEOBJECTDATA dod,
 785                                               LPDWORD entries,
 786                                               DWORD flags
 787 ) {
 788   JoystickImpl *This = (JoystickImpl *)iface;
 789   DWORD len;
 790   int nqtail;
 791   HRESULT hr = DI_OK;
 792
 793   TRACE("(%p)->(dods=%ld,entries=%ld,fl=0x%08lx)\n",This,dodsize,*entries,flags);
 794
 795   if (This->joyfd==-!1) {
 796     WARN("not acquired\n");
 797     return DIERR_NOTACQUIRED;
 798   }
 799
 800   joy_polldev(This);
 801   if (flags & DIGDD_PEEK)
 802     FIXME("DIGDD_PEEK\n");
 803
 804   len = ((This->queue_head < This->queue_tail) ? This->queue_len : 0)
 805     + (This->queue_head - This->queue_tail);
 806   if (len > *entries)
 807     len = *entries;
 808
 809   if (dod == NULL) {
 810     if (len)
 811       TRACE("Application discarding %ld event(s).\n", len);
 812
 813     *entries = len;
 814     nqtail = This->queue_tail + len;
 815     while (nqtail >= This->queue_len)
 816       nqtail -= This->queue_len;
 817   } else {
 818     if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3)) {
 819       ERR("Wrong structure size !\n");
 820       return DIERR_INVALIDPARAM;
 821   }
 822
 823     if (len)
 824       TRACE("Application retrieving %ld event(s).\n", len);
 825
 826     *entries = 0;
 827     nqtail = This->queue_tail;
 828     while (len) {
 829       /* Copy the buffered data into the application queue */
 830       memcpy((char *)dod + *entries * dodsize, This->data_queue + nqtail, dodsize);
 831       /* Advance position */
 832       nqtail++;
 833       if (nqtail >= This->queue_len)
 834         nqtail -= This->queue_len;
 835       (*entries)++;
 836       len--;
 837     }
 838   }
 839
 840   if (This->overflow) {
 841     hr = DI_BUFFEROVERFLOW;
 842     if (!(flags & DIGDD_PEEK)) {
 843       This->overflow = FALSE;
 844     }
 845   }
 846
 847   if (!(flags & DIGDD_PEEK))
 848     This->queue_tail = nqtail;
 849
 850   return hr;
 851 }
 852
 853 /******************************************************************************
 854   *     SetProperty : change input device properties
 855   */
 856 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 857                                             REFGUID rguid,
 858                                             LPCDIPROPHEADER ph)
 859 {
 860   JoystickImpl *This = (JoystickImpl *)iface;
 861
 862   if (!ph) {
 863     WARN("invalid argument\n");
 864     return DIERR_INVALIDPARAM;
 865   }
 866
 867   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 868   TRACE("ph.dwSize = %ld, ph.dwHeaderSize =%ld, ph.dwObj = %ld, ph.dwHow= %ld\n",ph->dwSize, ph->dwHeaderSize,ph->dwObj,ph->dwHow);
 869
 870   if (!HIWORD(rguid)) {
 871     switch (LOWORD(rguid)) {
 872     case (DWORD) DIPROP_BUFFERSIZE: {
 873       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 874
 875       TRACE("buffersize = %ld\n",pd->dwData);
 876       if (This->data_queue) {
 877         This->data_queue = HeapReAlloc(GetProcessHeap(),0, This->data_queue, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
 878       } else {
 879         This->data_queue = HeapAlloc(GetProcessHeap(),0, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
 880       }
 881       This->queue_head = 0;
 882       This->queue_tail = 0;
 883       This->queue_len  = pd->dwData;
 884       break;
 885     }
 886     case (DWORD)DIPROP_RANGE: {
 887       LPCDIPROPRANGE    pr = (LPCDIPROPRANGE)ph;
 888
 889       if (ph->dwHow == DIPH_DEVICE) {
 890         int i;
 891         TRACE("proprange(%ld,%ld) all\n",pr->lMin,pr->lMax);
 892         for (i = 0; i < This->df->dwNumObjs; i++) {
 893           This->wantmin[i] = pr->lMin;
 894           This->wantmax[i] = pr->lMax;
 895         }
 896       } else {
 897         int obj = find_property_offset(This, ph);
 898         TRACE("proprange(%ld,%ld) obj=%d\n",pr->lMin,pr->lMax,obj);
 899         if (obj >= 0) {
 900           This->wantmin[obj] = pr->lMin;
 901           This->wantmax[obj] = pr->lMax;
 902         }
 903       }
 904       return DI_OK;
 905     }
 906     case (DWORD)DIPROP_DEADZONE: {
 907       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 908       if (ph->dwHow == DIPH_DEVICE) {
 909         int i;
 910         TRACE("deadzone(%ld) all\n",pd->dwData);
 911         for (i = 0; i < This->df->dwNumObjs; i++) {
 912           This->deadz[i] = pd->dwData;
 913         }
 914       } else {
 915         int obj = find_property_offset(This, ph);
 916         TRACE("deadzone(%ld) obj=%d\n",pd->dwData,obj);
 917         if (obj >= 0) {
 918           This->deadz[obj] = pd->dwData;
 919         }
 920       }
 921       return DI_OK;
 922     }
 923     default:
 924       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
 925       break;
 926     }
 927   }
 928   fake_current_js_state(This);
 929   return 0;
 930 }
 931
 932 /******************************************************************************
 933   *     SetEventNotification : specifies event to be sent on state change
 934   */
 935 static HRESULT WINAPI JoystickAImpl_SetEventNotification(
 936         LPDIRECTINPUTDEVICE8A iface, HANDLE hnd
 937 ) {
 938     JoystickImpl *This = (JoystickImpl *)iface;
 939
 940     TRACE("(this=%p,%p)\n",This,hnd);
 941     This->hEvent = hnd;
 942     return DI_OK;
 943 }
 944
 945 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 946         LPDIRECTINPUTDEVICE8A iface,
 947         LPDIDEVCAPS lpDIDevCaps)
 948 {
 949     JoystickImpl *This = (JoystickImpl *)iface;
 950     int         xfd = This->joyfd;
 951     int         i,axes,buttons;
 952
 953     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 954
 955     if (!lpDIDevCaps) {
 956         WARN("invalid pointer\n");
 957         return E_POINTER;
 958     }
 959
 960     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 961         WARN("invalid argument\n");
 962         return DIERR_INVALIDPARAM;
 963     }
 964
 965     if (xfd==-1) {
 966         /* yes, games assume we return something, even if unacquired */
 967         JoystickAImpl_Acquire(iface);
 968     }
 969
 970     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 971     if (This->dinput->dwVersion >= 0x0800)
 972         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 973     else
 974         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 975
 976     axes=0;
 977     for (i=0;i<ABS_MAX;i++) if (test_bit(This->absbits,i)) axes++;
 978     buttons=0;
 979     for (i=0;i<KEY_MAX;i++) if (test_bit(This->keybits,i)) buttons++;
 980
 981     if (This->has_ff)
 982          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 983
 984     lpDIDevCaps->dwAxes = axes;
 985     lpDIDevCaps->dwButtons = buttons;
 986
 987     if (xfd==-1) {
 988       JoystickAImpl_Unacquire(iface);
 989     }
 990
 991     return DI_OK;
 992 }
 993
 994 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 995     JoystickImpl *This = (JoystickImpl *)iface;
 996     TRACE("(%p)\n",This);
 997
 998     if (This->joyfd==-1) {
 999       return DIERR_NOTACQUIRED;
1000     }
1001
1002     joy_polldev(This);
1003     return DI_OK;
1004 }
1005
1006 /******************************************************************************
1007   *     EnumObjects : enumerate the different buttons and axis...
1008   */
1009 static HRESULT WINAPI JoystickAImpl_EnumObjects(
1010         LPDIRECTINPUTDEVICE8A iface,
1011         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
1012         LPVOID lpvRef,
1013         DWORD dwFlags)
1014 {
1015   JoystickImpl *This = (JoystickImpl *)iface;
1016   DIDEVICEOBJECTINSTANCEA ddoi;
1017   int xfd = This->joyfd;
1018
1019   TRACE("(this=%p,%p,%p,%08lx)\n", This, lpCallback, lpvRef, dwFlags);
1020   if (TRACE_ON(dinput)) {
1021     TRACE("  - flags = ");
1022     _dump_EnumObjects_flags(dwFlags);
1023     TRACE("\n");
1024   }
1025
1026   /* We need to work even if we're not yet acquired */
1027   if (xfd == -1)
1028     IDirectInputDevice8_Acquire(iface);
1029
1030   /* Only the fields till dwFFMaxForce are relevant */
1031   ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
1032
1033   /* For the joystick, do as is done in the GetCapabilities function */
1034   /* FIXME: needs more items */
1035   if ((dwFlags == DIDFT_ALL) ||
1036       (dwFlags & DIDFT_AXIS)) {
1037     BYTE i;
1038
1039     for (i = 0; i < ABS_MAX; i++) {
1040       if (!test_bit(This->absbits,i)) continue;
1041
1042       switch (i) {
1043       case ABS_X:
1044         ddoi.guidType = GUID_XAxis;
1045         ddoi.dwOfs = DIJOFS_X;
1046         break;
1047       case ABS_Y:
1048         ddoi.guidType = GUID_YAxis;
1049         ddoi.dwOfs = DIJOFS_Y;
1050         break;
1051       case ABS_Z:
1052         ddoi.guidType = GUID_ZAxis;
1053         ddoi.dwOfs = DIJOFS_Z;
1054         break;
1055       case ABS_RX:
1056         ddoi.guidType = GUID_RxAxis;
1057         ddoi.dwOfs = DIJOFS_RX;
1058         break;
1059       case ABS_RY:
1060         ddoi.guidType = GUID_RyAxis;
1061         ddoi.dwOfs = DIJOFS_RY;
1062         break;
1063       case ABS_RZ:
1064         ddoi.guidType = GUID_RzAxis;
1065         ddoi.dwOfs = DIJOFS_RZ;
1066         break;
1067       case ABS_THROTTLE:
1068         ddoi.guidType = GUID_Slider;
1069         ddoi.dwOfs = DIJOFS_SLIDER(0);
1070         break;
1071       case ABS_RUDDER:
1072         ddoi.guidType = GUID_Slider;
1073         ddoi.dwOfs = DIJOFS_SLIDER(1);
1074         break;
1075       default:
1076         FIXME("unhandled abs axis %d, ignoring!\n",i);
1077       }
1078       ddoi.dwType = DIDFT_MAKEINSTANCE((1<<i) << WINE_JOYSTICK_AXIS_BASE) | DIDFT_ABSAXIS;
1079       /* Linux event force feedback supports only (and always) x and y axes */
1080       if (i == ABS_X || i == ABS_Y) {
1081         if (This->has_ff)
1082           ddoi.dwFlags |= DIDOI_FFACTUATOR;
1083       }
1084       sprintf(ddoi.tszName, "%d-Axis", i);
1085       _dump_OBJECTINSTANCEA(&ddoi);
1086       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1087         /* return to unaquired state if that's where we were */
1088         if (xfd == -1)
1089           IDirectInputDevice8_Unacquire(iface);
1090         return DI_OK;
1091       }
1092     }
1093   }
1094
1095   if ((dwFlags == DIDFT_ALL) ||
1096       (dwFlags & DIDFT_BUTTON)) {
1097     int i, btncount=0;
1098
1099     /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/
1100
1101     ddoi.guidType = GUID_Button;
1102
1103     for (i = 0; i < KEY_MAX; i++) {
1104       if (!test_bit(This->keybits,i)) continue;
1105       ddoi.dwOfs = DIJOFS_BUTTON(btncount);
1106       ddoi.dwType = DIDFT_MAKEINSTANCE(btncount << WINE_JOYSTICK_BUTTON_BASE) | DIDFT_PSHBUTTON;
1107       sprintf(ddoi.tszName, "%d-Button", btncount);
1108       btncount++;
1109       _dump_OBJECTINSTANCEA(&ddoi);
1110       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1111         /* return to unaquired state if that's where we were */
1112         if (xfd == -1)
1113           IDirectInputDevice8_Unacquire(iface);
1114         return DI_OK;
1115       }
1116     }
1117   }
1118
1119   /* return to unaquired state if that's where we were */
1120   if (xfd == -1)
1121     IDirectInputDevice8_Unacquire(iface);
1122
1123   return DI_OK;
1124 }
1125
1126 static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
1127                                                 LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
1128                                                 LPVOID lpvRef,
1129                                                 DWORD dwFlags)
1130 {
1131   JoystickImpl *This = (JoystickImpl *)iface;
1132
1133   device_enumobjects_AtoWcb_data data;
1134
1135   data.lpCallBack = lpCallback;
1136   data.lpvRef = lpvRef;
1137
1138   return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
1139 }
1140
1141 /******************************************************************************
1142   *     GetProperty : get input device properties
1143   */
1144 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1145                                                 REFGUID rguid,
1146                                                 LPDIPROPHEADER pdiph)
1147 {
1148   JoystickImpl *This = (JoystickImpl *)iface;
1149
1150   TRACE("(this=%p,%s,%p)\n",
1151         iface, debugstr_guid(rguid), pdiph);
1152
1153   if (TRACE_ON(dinput))
1154     _dump_DIPROPHEADER(pdiph);
1155
1156   if (!HIWORD(rguid)) {
1157     switch (LOWORD(rguid)) {
1158     case (DWORD) DIPROP_BUFFERSIZE: {
1159       LPDIPROPDWORD     pd = (LPDIPROPDWORD)pdiph;
1160
1161       TRACE(" return buffersize = %d\n",This->queue_len);
1162       pd->dwData = This->queue_len;
1163       break;
1164     }
1165
1166     case (DWORD) DIPROP_RANGE: {
1167       /* LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph; */
1168       if ((pdiph->dwHow == DIPH_BYID) &&
1169           (pdiph->dwObj & DIDFT_ABSAXIS)) {
1170         /* The app is querying the current range of the axis : return the lMin and lMax values */
1171         FIXME("unimplemented axis range query.\n");
1172       }
1173
1174       break;
1175     }
1176
1177     default:
1178       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
1179       break;
1180     }
1181   }
1182
1183
1184   return DI_OK;
1185 }
1186
1187 /******************************************************************************
1188   *     CreateEffect - Create a new FF effect with the specified params
1189   */
1190 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1191                                                  REFGUID rguid,
1192                                                  LPCDIEFFECT lpeff,
1193                                                  LPDIRECTINPUTEFFECT *ppdef,
1194                                                  LPUNKNOWN pUnkOuter)
1195 {
1196 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1197     EffectListItem* new = NULL;
1198     HRESULT retval = DI_OK;
1199 #endif
1200
1201     JoystickImpl* This = (JoystickImpl*)iface;
1202     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1203
1204 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1205     TRACE("not available (compiled w/o ff support)\n");
1206     *ppdef = NULL;
1207     return DI_OK;
1208 #else
1209
1210     new = malloc(sizeof(EffectListItem));
1211     new->next = This->top_effect;
1212     This->top_effect = new;
1213
1214     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1215     if (retval != DI_OK)
1216         return retval;
1217
1218     if (lpeff != NULL)
1219         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1220     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1221         return retval;
1222
1223     *ppdef = new->ref;
1224
1225     if (pUnkOuter != NULL)
1226         FIXME("Interface aggregation not implemented.\n");
1227
1228     return DI_OK;
1229
1230 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1231 }
1232
1233 /*******************************************************************************
1234  *      EnumEffects - Enumerate available FF effects
1235  */
1236 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1237                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1238                                                 LPVOID pvRef,
1239                                                 DWORD dwEffType)
1240 {
1241 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1242     DIEFFECTINFOA dei; /* feif */
1243     DWORD type = DIEFT_GETTYPE(dwEffType);
1244     JoystickImpl* This = (JoystickImpl*)iface;
1245     int xfd = This->joyfd;
1246
1247     TRACE("(this=%p,%p,%ld) type=%ld fd=%d\n", This, pvRef, dwEffType, type, xfd);
1248
1249     dei.dwSize = sizeof(DIEFFECTINFOA);
1250
1251     /* We need to return something even if we're not yet acquired */
1252     if (xfd == -1)
1253         IDirectInputDevice8_Acquire(iface);
1254
1255     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1256         && test_bit(This->ffbits, FF_CONSTANT)) {
1257         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1258         (*lpCallback)(&dei, pvRef);
1259     }
1260
1261     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1262         && test_bit(This->ffbits, FF_PERIODIC)) {
1263         if (test_bit(This->ffbits, FF_SQUARE)) {
1264             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1265             (*lpCallback)(&dei, pvRef);
1266         }
1267         if (test_bit(This->ffbits, FF_SINE)) {
1268             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1269             (*lpCallback)(&dei, pvRef);
1270         }
1271         if (test_bit(This->ffbits, FF_TRIANGLE)) {
1272             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1273             (*lpCallback)(&dei, pvRef);
1274         }
1275         if (test_bit(This->ffbits, FF_SAW_UP)) {
1276             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1277             (*lpCallback)(&dei, pvRef);
1278         }
1279         if (test_bit(This->ffbits, FF_SAW_DOWN)) {
1280             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1281             (*lpCallback)(&dei, pvRef);
1282         }
1283     }
1284
1285     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1286         && test_bit(This->ffbits, FF_RAMP)) {
1287         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1288         (*lpCallback)(&dei, pvRef);
1289     }
1290
1291     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1292         if (test_bit(This->ffbits, FF_SPRING)) {
1293             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1294             (*lpCallback)(&dei, pvRef);
1295         }
1296         if (test_bit(This->ffbits, FF_DAMPER)) {
1297             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1298             (*lpCallback)(&dei, pvRef);
1299         }
1300         if (test_bit(This->ffbits, FF_INERTIA)) {
1301             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1302             (*lpCallback)(&dei, pvRef);
1303         }
1304         if (test_bit(This->ffbits, FF_FRICTION)) {
1305             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1306             (*lpCallback)(&dei, pvRef);
1307         }
1308     }
1309
1310     /* return to unaquired state if that's where it was */
1311     if (xfd == -1)
1312         IDirectInputDevice8_Unacquire(iface);
1313 #endif
1314
1315     return DI_OK;
1316 }
1317
1318 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1319                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1320                                                 LPVOID pvRef,
1321                                                 DWORD dwEffType)
1322 {
1323 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1324     /* seems silly to duplicate all this code but all the structures and functions
1325      * are actually different (A/W) */
1326     DIEFFECTINFOW dei; /* feif */
1327     DWORD type = DIEFT_GETTYPE(dwEffType);
1328     JoystickImpl* This = (JoystickImpl*)iface;
1329     int xfd = This->joyfd;
1330
1331     TRACE("(this=%p,%p,%ld) type=%ld fd=%d\n", This, pvRef, dwEffType, type, xfd);
1332
1333     dei.dwSize = sizeof(DIEFFECTINFOW);
1334
1335     /* We need to return something even if we're not yet acquired */
1336     if (xfd == -1)
1337         IDirectInputDevice8_Acquire(iface);
1338
1339     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1340         && test_bit(This->ffbits, FF_CONSTANT)) {
1341         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1342         (*lpCallback)(&dei, pvRef);
1343     }
1344
1345     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1346         && test_bit(This->ffbits, FF_PERIODIC)) {
1347         if (test_bit(This->ffbits, FF_SQUARE)) {
1348             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1349             (*lpCallback)(&dei, pvRef);
1350         }
1351         if (test_bit(This->ffbits, FF_SINE)) {
1352             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1353             (*lpCallback)(&dei, pvRef);
1354         }
1355         if (test_bit(This->ffbits, FF_TRIANGLE)) {
1356             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1357             (*lpCallback)(&dei, pvRef);
1358         }
1359         if (test_bit(This->ffbits, FF_SAW_UP)) {
1360             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1361             (*lpCallback)(&dei, pvRef);
1362         }
1363         if (test_bit(This->ffbits, FF_SAW_DOWN)) {
1364             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1365             (*lpCallback)(&dei, pvRef);
1366         }
1367     }
1368
1369     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1370         && test_bit(This->ffbits, FF_RAMP)) {
1371         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1372         (*lpCallback)(&dei, pvRef);
1373     }
1374
1375     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1376         if (test_bit(This->ffbits, FF_SPRING)) {
1377             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1378             (*lpCallback)(&dei, pvRef);
1379         }
1380         if (test_bit(This->ffbits, FF_DAMPER)) {
1381             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1382             (*lpCallback)(&dei, pvRef);
1383         }
1384         if (test_bit(This->ffbits, FF_INERTIA)) {
1385             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1386             (*lpCallback)(&dei, pvRef);
1387         }
1388         if (test_bit(This->ffbits, FF_FRICTION)) {
1389             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1390             (*lpCallback)(&dei, pvRef);
1391         }
1392     }
1393
1394     /* return to unaquired state if that's where it was */
1395     if (xfd == -1)
1396         IDirectInputDevice8_Unacquire(iface);
1397 #endif
1398
1399     return DI_OK;
1400 }
1401
1402 /*******************************************************************************
1403  *      GetEffectInfo - Get information about a particular effect
1404  */
1405 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1406                                                   LPDIEFFECTINFOA 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_A(This->joyfd, guid, pdei);
1415 #else
1416     return DI_OK;
1417 #endif
1418 }
1419
1420 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1421                                                   LPDIEFFECTINFOW pdei,
1422                                                   REFGUID guid)
1423 {
1424     JoystickImpl* This = (JoystickImpl*)iface;
1425
1426     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1427
1428 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1429     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1430 #else
1431     return DI_OK;
1432 #endif
1433 }
1434
1435 /*******************************************************************************
1436  *      GetForceFeedbackState - Get information about the device's FF state
1437  */
1438 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1439         LPDIRECTINPUTDEVICE8A iface,
1440         LPDWORD pdwOut)
1441 {
1442     JoystickImpl* This = (JoystickImpl*)iface;
1443
1444     TRACE("(this=%p,%p)\n", This, pdwOut);
1445
1446     (*pdwOut) = 0;
1447
1448 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1449     /* DIGFFS_STOPPED is the only mandatory flag to report */
1450     if (This->ff_state == FF_STATUS_STOPPED)
1451         (*pdwOut) |= DIGFFS_STOPPED;
1452 #endif
1453
1454     return DI_OK;
1455 }
1456
1457 /*******************************************************************************
1458  *      SendForceFeedbackCommand - Send a command to the device's FF system
1459  */
1460 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1461         LPDIRECTINPUTDEVICE8A iface,
1462         DWORD dwFlags)
1463 {
1464     JoystickImpl* This = (JoystickImpl*)iface;
1465     TRACE("(this=%p,%ld)\n", This, dwFlags);
1466
1467 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1468     if (dwFlags == DISFFC_STOPALL) {
1469         /* Stop all effects */
1470         EffectListItem* itr = This->top_effect;
1471         while (itr) {
1472             IDirectInputEffect_Stop(itr->ref);
1473             itr = itr->next;
1474         }
1475     } else if (dwFlags == DISFFC_RESET) {
1476         /* Stop, unload, release and free all effects */
1477         /* This returns the device to its "bare" state */
1478         while (This->top_effect) {
1479             EffectListItem* temp = This->top_effect;
1480             IDirectInputEffect_Stop(temp->ref);
1481             IDirectInputEffect_Unload(temp->ref);
1482             IDirectInputEffect_Release(temp->ref);
1483             This->top_effect = temp->next;
1484             free(temp);
1485         }
1486     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1487         FIXME("No support for Pause or Continue in linux\n");
1488     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1489                 || dwFlags == DISFFC_SETACTUATORSON) {
1490         FIXME("No direct actuator control in linux\n");
1491     } else {
1492         FIXME("Unknown Force Feedback Command!\n");
1493         return DIERR_INVALIDPARAM;
1494     }
1495     return DI_OK;
1496 #else
1497     return DIERR_UNSUPPORTED;
1498 #endif
1499 }
1500
1501 /*******************************************************************************
1502  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1503  *              created for this device.
1504  */
1505 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1506         LPDIRECTINPUTDEVICE8A iface,
1507         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1508         LPVOID pvRef,
1509         DWORD dwFlags)
1510 {
1511     /* this function is safe to call on non-ff-enabled builds */
1512
1513     JoystickImpl* This = (JoystickImpl*)iface;
1514     EffectListItem* itr = This->top_effect;
1515     TRACE("(this=%p,%p,%p,%ld)\n", This, lpCallback, pvRef, dwFlags);
1516
1517     if (!lpCallback)
1518         return DIERR_INVALIDPARAM;
1519
1520     if (dwFlags != 0)
1521         FIXME("Flags specified, but no flags exist yet (DX9)!");
1522
1523     while (itr) {
1524         (*lpCallback)(itr->ref, pvRef);
1525         itr = itr->next;
1526     }
1527
1528     return DI_OK;
1529 }
1530
1531 static const IDirectInputDevice8AVtbl JoystickAvt =
1532 {
1533         IDirectInputDevice2AImpl_QueryInterface,
1534         IDirectInputDevice2AImpl_AddRef,
1535         JoystickAImpl_Release,
1536         JoystickAImpl_GetCapabilities,
1537         JoystickAImpl_EnumObjects,
1538         JoystickAImpl_GetProperty,
1539         JoystickAImpl_SetProperty,
1540         JoystickAImpl_Acquire,
1541         JoystickAImpl_Unacquire,
1542         JoystickAImpl_GetDeviceState,
1543         JoystickAImpl_GetDeviceData,
1544         JoystickAImpl_SetDataFormat,
1545         JoystickAImpl_SetEventNotification,
1546         IDirectInputDevice2AImpl_SetCooperativeLevel,
1547         IDirectInputDevice2AImpl_GetObjectInfo,
1548         IDirectInputDevice2AImpl_GetDeviceInfo,
1549         IDirectInputDevice2AImpl_RunControlPanel,
1550         IDirectInputDevice2AImpl_Initialize,
1551         JoystickAImpl_CreateEffect,
1552         JoystickAImpl_EnumEffects,
1553         JoystickAImpl_GetEffectInfo,
1554         JoystickAImpl_GetForceFeedbackState,
1555         JoystickAImpl_SendForceFeedbackCommand,
1556         JoystickAImpl_EnumCreatedEffectObjects,
1557         IDirectInputDevice2AImpl_Escape,
1558         JoystickAImpl_Poll,
1559         IDirectInputDevice2AImpl_SendDeviceData,
1560         IDirectInputDevice7AImpl_EnumEffectsInFile,
1561         IDirectInputDevice7AImpl_WriteEffectToFile,
1562         IDirectInputDevice8AImpl_BuildActionMap,
1563         IDirectInputDevice8AImpl_SetActionMap,
1564         IDirectInputDevice8AImpl_GetImageInfo
1565 };
1566
1567 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1568 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1569 #else
1570 # define XCAST(fun)     (void*)
1571 #endif
1572
1573 static const IDirectInputDevice8WVtbl JoystickWvt =
1574 {
1575         IDirectInputDevice2WImpl_QueryInterface,
1576         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1577         XCAST(Release)JoystickAImpl_Release,
1578         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1579         JoystickWImpl_EnumObjects,
1580         XCAST(GetProperty)JoystickAImpl_GetProperty,
1581         XCAST(SetProperty)JoystickAImpl_SetProperty,
1582         XCAST(Acquire)JoystickAImpl_Acquire,
1583         XCAST(Unacquire)JoystickAImpl_Unacquire,
1584         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1585         XCAST(GetDeviceData)JoystickAImpl_GetDeviceData,
1586         XCAST(SetDataFormat)JoystickAImpl_SetDataFormat,
1587         XCAST(SetEventNotification)JoystickAImpl_SetEventNotification,
1588         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1589         IDirectInputDevice2WImpl_GetObjectInfo,
1590         IDirectInputDevice2WImpl_GetDeviceInfo,
1591         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1592         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1593         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1594         JoystickWImpl_EnumEffects,
1595         JoystickWImpl_GetEffectInfo,
1596         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1597         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1598         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1599         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1600         XCAST(Poll)JoystickAImpl_Poll,
1601         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1602         IDirectInputDevice7WImpl_EnumEffectsInFile,
1603         IDirectInputDevice7WImpl_WriteEffectToFile,
1604         IDirectInputDevice8WImpl_BuildActionMap,
1605         IDirectInputDevice8WImpl_SetActionMap,
1606         IDirectInputDevice8WImpl_GetImageInfo
1607 };
1608 #undef XCAST
1609
1610 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1611
1612 const struct dinput_device joystick_linuxinput_device = {
1613   "Wine Linux-input joystick driver",
1614   NULL,
1615   NULL,
1616   NULL,
1617   NULL
1618 };
1619
1620 #endif  /* HAVE_CORRECT_LINUXINPUT_H */