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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include "config.h"
  24 #include "wine/port.h"
  25
  26 #include <assert.h>
  27 #include <stdarg.h>
  28 #include <stdio.h>
  29 #include <string.h>
  30 #include <time.h>
  31 #ifdef HAVE_UNISTD_H
  32 # include <unistd.h>
  33 #endif
  34 #ifdef HAVE_SYS_TIME_H
  35 # include <sys/time.h>
  36 #endif
  37 #include <sys/fcntl.h>
  38 #ifdef HAVE_SYS_IOCTL_H
  39 # include <sys/ioctl.h>
  40 #endif
  41 #include <errno.h>
  42 #ifdef HAVE_SYS_ERRNO_H
  43 # include <sys/errno.h>
  44 #endif
  45 #ifdef HAVE_LINUX_INPUT_H
  46 # include <linux/input.h>
  47 # if defined(EVIOCGBIT) && defined(EV_ABS) && defined(BTN_PINKIE)
  48 #  define HAVE_CORRECT_LINUXINPUT_H
  49 # endif
  50 #endif
  51 #ifdef HAVE_SYS_POLL_H
  52 # include <sys/poll.h>
  53 #endif
  54
  55 #include "wine/debug.h"
  56 #include "wine/unicode.h"
  57 #include "windef.h"
  58 #include "winbase.h"
  59 #include "winerror.h"
  60 #include "dinput.h"
  61
  62 #include "dinput_private.h"
  63 #include "device_private.h"
  64
  65 WINE_DEFAULT_DEBUG_CHANNEL(dinput);
  66
  67 #ifdef HAVE_CORRECT_LINUXINPUT_H
  68
  69 #define EVDEVPREFIX     "/dev/input/event"
  70
  71 /* Wine joystick driver object instances */
  72 #define WINE_JOYSTICK_AXIS_BASE   0
  73 #define WINE_JOYSTICK_POV_BASE    6
  74 #define WINE_JOYSTICK_BUTTON_BASE 8
  75
  76 typedef struct EffectListItem EffectListItem;
  77 struct EffectListItem
  78 {
  79         LPDIRECTINPUTEFFECT ref;
  80         struct EffectListItem* next;
  81 };
  82
  83 /* implemented in effect_linuxinput.c */
  84 HRESULT linuxinput_create_effect(int* fd, REFGUID rguid, LPDIRECTINPUTEFFECT* peff);
  85 HRESULT linuxinput_get_info_A(int fd, REFGUID rguid, LPDIEFFECTINFOA info);
  86 HRESULT linuxinput_get_info_W(int fd, REFGUID rguid, LPDIEFFECTINFOW info);
  87
  88 typedef struct JoystickImpl JoystickImpl;
  89 static const IDirectInputDevice8AVtbl JoystickAvt;
  90 static const IDirectInputDevice8WVtbl JoystickWvt;
  91
  92 struct JoyDev {
  93         char *device;
  94         char *name;
  95         GUID guid;
  96
  97         int has_ff;
  98         int num_effects;
  99
 100         /* data returned by EVIOCGBIT for caps, EV_ABS, EV_KEY, and EV_FF */
 101         BYTE                            evbits[(EV_MAX+7)/8];
 102         BYTE                            absbits[(ABS_MAX+7)/8];
 103         BYTE                            keybits[(KEY_MAX+7)/8];
 104         BYTE                            ffbits[(FF_MAX+7)/8];
 105
 106 #define AXE_ABS         0
 107 #define AXE_ABSMIN      1
 108 #define AXE_ABSMAX      2
 109 #define AXE_ABSFUZZ     3
 110 #define AXE_ABSFLAT     4
 111
 112         /* data returned by the EVIOCGABS() ioctl */
 113         int                             axes[ABS_MAX][5];
 114         /* LUT for KEY_ to offset in rgbButtons */
 115         BYTE                            buttons[KEY_MAX];
 116
 117         /* autodetecting ranges per axe by following movement */
 118         LONG                            havemax[ABS_MAX];
 119         LONG                            havemin[ABS_MAX];
 120 };
 121
 122 struct JoystickImpl
 123 {
 124         struct IDirectInputDevice2AImpl base;
 125
 126         struct JoyDev                  *joydev;
 127
 128         /* The 'parent' DInput */
 129         IDirectInputImpl               *dinput;
 130
 131         /* joystick private */
 132         /* what range and deadzone the game wants */
 133         LONG                            wantmin[ABS_MAX];
 134         LONG                            wantmax[ABS_MAX];
 135         LONG                            deadz[ABS_MAX];
 136
 137         int                             joyfd;
 138
 139         LPDIDATAFORMAT                  internal_df;
 140         LPDIDATAFORMAT                  df;
 141         DataFormat                      *transform;     /* wine to user format converter */
 142         int                             *offsets;       /* object offsets */
 143         LPDIDEVICEOBJECTDATA            data_queue;
 144         int                             queue_head, queue_tail, queue_len;
 145         BOOL                            overflow;
 146         DIJOYSTATE2                     js;
 147
 148         /* Force feedback variables */
 149         EffectListItem*                 top_effect;
 150         int                             ff_state;
 151 };
 152
 153 static void fake_current_js_state(JoystickImpl *ji);
 154 static int find_property_offset(JoystickImpl *This, LPCDIPROPHEADER ph);
 155 static DWORD map_pov(int event_value, int is_x);
 156 static void find_joydevs(void);
 157 static int lxinput_to_djoy2_offset(int ie_type, int ie_code);
 158 static int offset_to_object(JoystickImpl *This, int offset);
 159 static void calculate_ids(LPDIDATAFORMAT df);
 160
 161 /* This GUID is slightly different from the linux joystick one. Take note. */
 162 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 163   0x9e573eda,
 164   0x7734,
 165   0x11d2,
 166   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 167 };
 168
 169 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 170
 171 #define MAX_JOYDEV 64
 172
 173 static int have_joydevs = -1;
 174 static struct JoyDev *joydevs = NULL;
 175
 176 static void find_joydevs(void)
 177 {
 178   int i;
 179
 180   if (have_joydevs!=-1) {
 181     return;
 182   }
 183
 184   have_joydevs = 0;
 185
 186   for (i=0;i<MAX_JOYDEV;i++) {
 187     char        buf[MAX_PATH];
 188     struct JoyDev joydev = {0};
 189     int fd;
 190     int no_ff_check = 0;
 191     int j, buttons;
 192
 193     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 194     buf[MAX_PATH-1] = 0;
 195
 196     if ((fd=open(buf, O_RDWR))==-1) {
 197       fd = open(buf, O_RDONLY);
 198       no_ff_check = 1;
 199     }
 200
 201     if (fd!=-1) {
 202       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 203         perror("EVIOCGBIT 0");
 204         close(fd);
 205         continue;
 206       }
 207       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 208         perror("EVIOCGBIT EV_ABS");
 209         close(fd);
 210         continue;
 211       }
 212       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 213         perror("EVIOCGBIT EV_KEY");
 214         close(fd);
 215         continue;
 216       }
 217       /* A true joystick has at least axis X and Y, and at least 1
 218        * button. copied from linux/drivers/input/joydev.c */
 219       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 220           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 221               test_bit(joydev.keybits,BTN_A)    ||
 222               test_bit(joydev.keybits,BTN_1)
 223           )
 224          ) {
 225
 226         joydev.device = strdup(buf);
 227
 228         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 229           buf[MAX_PATH-1] = 0;
 230           joydev.name = strdup(buf);
 231         } else {
 232           joydev.name = joydev.device;
 233         }
 234
 235         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 236         joydev.guid.Data3 += have_joydevs;
 237
 238         TRACE("Found a joystick on %s: %s (%s)\n",
 239             joydev.device, joydev.name,
 240             debugstr_guid(&joydev.guid)
 241             );
 242
 243 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 244         if (!no_ff_check) {
 245           if ((!test_bit(joydev.evbits,EV_FF))
 246               || (-1==ioctl(fd,EVIOCGBIT(EV_FF,sizeof(joydev.ffbits)),joydev.ffbits))
 247               || (-1==ioctl(fd,EVIOCGEFFECTS,&joydev.num_effects))
 248               || (joydev.num_effects <= 0)) {
 249             close(fd);
 250           } else {
 251             TRACE(" ... with force feedback\n");
 252             joydev.has_ff = 1;
 253           }
 254         }
 255 #endif
 256
 257         for (j=0;j<ABS_MAX;j++) {
 258           if (test_bit(joydev.absbits,j)) {
 259             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 260               TRACE(" ... with axe %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 261                   j,
 262                   joydev.axes[j][AXE_ABS],
 263                   joydev.axes[j][AXE_ABSMIN],
 264                   joydev.axes[j][AXE_ABSMAX],
 265                   joydev.axes[j][AXE_ABSFUZZ],
 266                   joydev.axes[j][AXE_ABSFLAT]
 267                   );
 268               joydev.havemin[j] = joydev.axes[j][AXE_ABSMIN];
 269               joydev.havemax[j] = joydev.axes[j][AXE_ABSMAX];
 270             }
 271           }
 272         }
 273
 274         buttons = 0;
 275         for (j=0;j<KEY_MAX;j++) {
 276           if (test_bit(joydev.keybits,j)) {
 277             TRACE(" ... with button %d: %d\n", j, buttons);
 278             joydev.buttons[j] = 0x80 | buttons;
 279             buttons++;
 280           }
 281         }
 282
 283         if (have_joydevs==0) {
 284           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 285         } else {
 286           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 287         }
 288         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 289         have_joydevs++;
 290       }
 291
 292       close(fd);
 293     }
 294   }
 295 }
 296
 297 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 298 {
 299   find_joydevs();
 300
 301   if (id >= have_joydevs) {
 302     return FALSE;
 303   }
 304
 305   if (!((dwDevType == 0) ||
 306         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 307         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 308     return FALSE;
 309
 310 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 311   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 312     return FALSE;
 313 #endif
 314
 315   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 316     lpddi->guidInstance = joydevs[id].guid;
 317     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 318
 319     lpddi->guidFFDriver = GUID_NULL;
 320     if (version >= 0x0800)
 321       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 322     else
 323       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 324
 325     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 326     strcpy(lpddi->tszProductName, joydevs[id].device);
 327     return TRUE;
 328   }
 329   return FALSE;
 330 }
 331
 332 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 333 {
 334   find_joydevs();
 335
 336   if (id >= have_joydevs) {
 337     return FALSE;
 338   }
 339
 340   if (!((dwDevType == 0) ||
 341         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 342         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 343     return FALSE;
 344
 345 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 346   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 347     return FALSE;
 348 #endif
 349
 350   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 351     lpddi->guidInstance = joydevs[id].guid;
 352     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 353
 354     lpddi->guidFFDriver = GUID_NULL;
 355     if (version >= 0x0800)
 356       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 357     else
 358       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 359
 360     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 361     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 362     return TRUE;
 363   }
 364   return FALSE;
 365 }
 366
 367 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, struct JoyDev *joydev)
 368 {
 369   JoystickImpl* newDevice;
 370   int i;
 371
 372   newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 373   if (newDevice==NULL) {
 374     return NULL;
 375   }
 376
 377   newDevice->base.lpVtbl = jvt;
 378   newDevice->base.ref = 1;
 379   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
 380   newDevice->joyfd = -1;
 381   newDevice->dinput = dinput;
 382   newDevice->joydev = joydev;
 383 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 384   newDevice->ff_state = FF_STATUS_STOPPED;
 385 #endif
 386   for (i=0;i<ABS_MAX;i++) {
 387     /* apps expect the range to be the same they would get from the
 388      * GetProperty/range method */
 389     newDevice->wantmin[i] = newDevice->joydev->havemin[i];
 390     newDevice->wantmax[i] = newDevice->joydev->havemax[i];
 391     /* TODO:
 392      * direct input defines a default for the deadzone somewhere; but as long
 393      * as in map_axis the code for the dead zone is commented out its no
 394      * problem
 395      */
 396     newDevice->deadz[i]   =  0;
 397   }
 398   fake_current_js_state(newDevice);
 399
 400   /* wine uses DIJOYSTATE2 as it's internal format so copy
 401    * the already defined format c_dfDIJoystick2 */
 402   newDevice->df = HeapAlloc(GetProcessHeap(),0,c_dfDIJoystick2.dwSize);
 403   if (newDevice->df == 0)
 404     goto FAILED;
 405   CopyMemory(newDevice->df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 406
 407   /* copy default objects */
 408   newDevice->df->rgodf = HeapAlloc(GetProcessHeap(),0,c_dfDIJoystick2.dwNumObjs*c_dfDIJoystick2.dwObjSize);
 409   if (newDevice->df->rgodf == 0)
 410     goto FAILED;
 411   CopyMemory(newDevice->df->rgodf,c_dfDIJoystick2.rgodf,c_dfDIJoystick2.dwNumObjs*c_dfDIJoystick2.dwObjSize);
 412
 413   /* no do the same for the internal df */
 414   newDevice->internal_df = HeapAlloc(GetProcessHeap(),0,c_dfDIJoystick2.dwSize);
 415   if (newDevice->internal_df == 0)
 416     goto FAILED;
 417   CopyMemory(newDevice->internal_df, &c_dfDIJoystick2, c_dfDIJoystick2.dwSize);
 418
 419   /* copy default objects */
 420   newDevice->internal_df->rgodf = HeapAlloc(GetProcessHeap(),0,c_dfDIJoystick2.dwNumObjs*c_dfDIJoystick2.dwObjSize);
 421   if (newDevice->internal_df->rgodf == 0)
 422     goto FAILED;
 423   CopyMemory(newDevice->internal_df->rgodf,c_dfDIJoystick2.rgodf,c_dfDIJoystick2.dwNumObjs*c_dfDIJoystick2.dwObjSize);
 424
 425   /* create an offsets array */
 426   newDevice->offsets = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,c_dfDIJoystick2.dwNumObjs*sizeof(int));
 427   if (newDevice->offsets == 0)
 428     goto FAILED;
 429
 430   calculate_ids(newDevice->internal_df);
 431
 432   /* create the default transform filter */
 433   newDevice->transform = create_DataFormat(newDevice->internal_df, newDevice->df, newDevice->offsets);
 434   calculate_ids(newDevice->df);
 435
 436   return newDevice;
 437
 438 FAILED:
 439   HeapFree(GetProcessHeap(),0,newDevice->df->rgodf);
 440   HeapFree(GetProcessHeap(),0,newDevice->df);
 441   HeapFree(GetProcessHeap(),0,newDevice->internal_df->rgodf);
 442   HeapFree(GetProcessHeap(),0,newDevice->internal_df);
 443   HeapFree(GetProcessHeap(),0,newDevice);
 444   return NULL;
 445 }
 446
 447 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 448 {
 449   int i;
 450
 451   find_joydevs();
 452
 453   for (i=0; i<have_joydevs; i++) {
 454     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 455         IsEqualGUID(&joydevs[i].guid,rguid)
 456         ) {
 457       if ((riid == NULL) ||
 458           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 459           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 460           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 461           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 462         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
 463         TRACE("Creating a Joystick device (%p)\n", *pdev);
 464         if (*pdev==0) {
 465           ERR("out of memory\n");
 466           return DIERR_OUTOFMEMORY;
 467         }
 468         return DI_OK;
 469       } else {
 470         return DIERR_NOINTERFACE;
 471       }
 472     }
 473   }
 474
 475   return DIERR_DEVICENOTREG;
 476 }
 477
 478
 479 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 480 {
 481   int i;
 482
 483   find_joydevs();
 484
 485   for (i=0; i<have_joydevs; i++) {
 486     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 487         IsEqualGUID(&joydevs[i].guid,rguid)
 488         ) {
 489       if ((riid == NULL) ||
 490           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 491           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 492           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 493           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 494         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
 495         TRACE("Creating a Joystick device (%p)\n", *pdev);
 496         if (*pdev==0) {
 497           ERR("out of memory\n");
 498           return DIERR_OUTOFMEMORY;
 499         }
 500         return DI_OK;
 501       } else {
 502         return DIERR_NOINTERFACE;
 503       }
 504     }
 505   }
 506
 507   return DIERR_DEVICENOTREG;
 508 }
 509
 510 const struct dinput_device joystick_linuxinput_device = {
 511   "Wine Linux-input joystick driver",
 512   joydev_enum_deviceA,
 513   joydev_enum_deviceW,
 514   joydev_create_deviceA,
 515   joydev_create_deviceW
 516 };
 517
 518 /******************************************************************************
 519  *      Joystick
 520  */
 521 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 522 {
 523         JoystickImpl *This = (JoystickImpl *)iface;
 524         ULONG ref;
 525
 526         ref = InterlockedDecrement(&This->base.ref);
 527         if (ref)
 528                 return ref;
 529
 530         /* Reset the FF state, free all effects, etc */
 531         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 532
 533         /* Free the data queue */
 534         HeapFree(GetProcessHeap(),0,This->data_queue);
 535
 536         /* Free the DataFormat */
 537         HeapFree(GetProcessHeap(), 0, This->df->rgodf);
 538         HeapFree(GetProcessHeap(), 0, This->df);
 539
 540         /* Free the offsets array */
 541         HeapFree(GetProcessHeap(),0,This->offsets);
 542
 543         /* release the data transform filter */
 544         release_DataFormat(This->transform);
 545
 546         HeapFree(GetProcessHeap(),0,This);
 547         return 0;
 548 }
 549
 550 /******************************************************************************
 551   *   SetDataFormat : the application can choose the format of the data
 552   *   the device driver sends back with GetDeviceState.
 553   */
 554 static HRESULT WINAPI JoystickAImpl_SetDataFormat(
 555         LPDIRECTINPUTDEVICE8A iface,LPCDIDATAFORMAT df
 556 )
 557 {
 558   JoystickImpl *This = (JoystickImpl *)iface;
 559
 560   TRACE("(this=%p,%p)\n",This,df);
 561
 562   if (df == NULL) {
 563     WARN("invalid pointer\n");
 564     return E_POINTER;
 565   }
 566
 567   if (df->dwSize != sizeof(*df)) {
 568     WARN("invalid argument\n");
 569     return DIERR_INVALIDPARAM;
 570   }
 571
 572   _dump_DIDATAFORMAT(df);
 573
 574   if (This->joyfd!=-1) {
 575     WARN("acquired\n");
 576     return DIERR_ACQUIRED;
 577   }
 578
 579   HeapFree(GetProcessHeap(),0,This->df->rgodf);
 580   HeapFree(GetProcessHeap(),0,This->df);
 581   release_DataFormat(This->transform);
 582
 583   /* Store the new data format */
 584   This->df = HeapAlloc(GetProcessHeap(),0,df->dwSize);
 585   if (This->df==NULL) {
 586     return DIERR_OUTOFMEMORY;
 587   }
 588   memcpy(This->df, df, df->dwSize);
 589   This->df->rgodf = HeapAlloc(GetProcessHeap(),0,df->dwNumObjs*df->dwObjSize);
 590   if (This->df->rgodf==NULL) {
 591     HeapFree(GetProcessHeap(), 0, This->df);
 592     return DIERR_OUTOFMEMORY;
 593   }
 594   memcpy(This->df->rgodf,df->rgodf,df->dwNumObjs*df->dwObjSize);
 595
 596   This->transform = create_DataFormat(This->internal_df, This->df, This->offsets);
 597   calculate_ids(This->df);
 598
 599   return DI_OK;
 600 }
 601
 602 /******************************************************************************
 603   *     Acquire : gets exclusive control of the joystick
 604   */
 605 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 606 {
 607     JoystickImpl *This = (JoystickImpl *)iface;
 608
 609     TRACE("(this=%p)\n",This);
 610     if (This->joyfd!=-1)
 611         return S_FALSE;
 612     if (This->df==NULL) {
 613       return DIERR_INVALIDPARAM;
 614     }
 615
 616     if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 617       if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 618         /* Couldn't open the device at all */
 619         perror(This->joydev->device);
 620         return DIERR_NOTFOUND;
 621       } else {
 622         /* Couldn't open in r/w but opened in read-only. */
 623         WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 624       }
 625     }
 626
 627     return 0;
 628 }
 629
 630 /******************************************************************************
 631   *     Unacquire : frees the joystick
 632   */
 633 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 634 {
 635     JoystickImpl *This = (JoystickImpl *)iface;
 636
 637     TRACE("(this=%p)\n",This);
 638     if (This->joyfd!=-1) {
 639         close(This->joyfd);
 640         This->joyfd = -1;
 641         return DI_OK;
 642     }
 643     else
 644         return DI_NOEFFECT;
 645 }
 646
 647 /*
 648  * This maps the read value (from the input event) to a value in the
 649  * 'wanted' range. It also autodetects the possible range of the axe and
 650  * adapts values accordingly.
 651  */
 652 static int
 653 map_axis(JoystickImpl* This, int axis, int val) {
 654     int xmin = This->joydev->axes[axis][AXE_ABSMIN];
 655     int xmax = This->joydev->axes[axis][AXE_ABSMAX];
 656     int hmax = This->joydev->havemax[axis];
 657     int hmin = This->joydev->havemin[axis];
 658     int wmin = This->wantmin[axis];
 659     int wmax = This->wantmax[axis];
 660     int ret;
 661
 662     if (val > hmax) This->joydev->havemax[axis] = hmax = val;
 663     if (val < hmin) This->joydev->havemin[axis] = hmin = val;
 664
 665     if (xmin == xmax) return val;
 666
 667     /* map the value from the hmin-hmax range into the wmin-wmax range */
 668     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 669
 670     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);
 671
 672 #if 0
 673     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 674     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 675         FIXME("%d in deadzone, return mid.\n",val);
 676         return (wmax-wmin)/2+wmin;
 677     }
 678 #endif
 679     return ret;
 680 }
 681
 682 /*
 683  * set the current state of the js device as it would be with the middle
 684  * values on the axes
 685  */
 686 static void fake_current_js_state(JoystickImpl *ji)
 687 {
 688         int i;
 689         /* center the axes */
 690         ji->js.lX           = test_bit(ji->joydev->absbits, ABS_X)        ? map_axis(ji, ABS_X,        ji->joydev->axes[ABS_X       ][AXE_ABS]) : 0;
 691         ji->js.lY           = test_bit(ji->joydev->absbits, ABS_Y)        ? map_axis(ji, ABS_Y,        ji->joydev->axes[ABS_Y       ][AXE_ABS]) : 0;
 692         ji->js.lZ           = test_bit(ji->joydev->absbits, ABS_Z)        ? map_axis(ji, ABS_Z,        ji->joydev->axes[ABS_Z       ][AXE_ABS]) : 0;
 693         ji->js.lRx          = test_bit(ji->joydev->absbits, ABS_RX)       ? map_axis(ji, ABS_RX,       ji->joydev->axes[ABS_RX      ][AXE_ABS]) : 0;
 694         ji->js.lRy          = test_bit(ji->joydev->absbits, ABS_RY)       ? map_axis(ji, ABS_RY,       ji->joydev->axes[ABS_RY      ][AXE_ABS]) : 0;
 695         ji->js.lRz          = test_bit(ji->joydev->absbits, ABS_RZ)       ? map_axis(ji, ABS_RZ,       ji->joydev->axes[ABS_RZ      ][AXE_ABS]) : 0;
 696         ji->js.rglSlider[0] = test_bit(ji->joydev->absbits, ABS_THROTTLE) ? map_axis(ji, ABS_THROTTLE, ji->joydev->axes[ABS_THROTTLE][AXE_ABS]) : 0;
 697         ji->js.rglSlider[1] = test_bit(ji->joydev->absbits, ABS_RUDDER)   ? map_axis(ji, ABS_RUDDER,   ji->joydev->axes[ABS_RUDDER  ][AXE_ABS]) : 0;
 698         /* POV center is -1 */
 699         for (i=0; i<4; i++) {
 700                 ji->js.rgdwPOV[i] = -1;
 701         }
 702 }
 703
 704 /*
 705  * Maps an event value to a DX "clock" position:
 706  *           0
 707  * 27000    -1 9000
 708  *       18000
 709  */
 710 static DWORD map_pov(int event_value, int is_x)
 711 {
 712         DWORD ret = -1;
 713         if (is_x) {
 714                 if (event_value<0) {
 715                         ret = 27000;
 716                 } else if (event_value>0) {
 717                         ret = 9000;
 718                 }
 719         } else {
 720                 if (event_value<0) {
 721                         ret = 0;
 722                 } else if (event_value>0) {
 723                         ret = 18000;
 724                 }
 725         }
 726         return ret;
 727 }
 728
 729 static int find_property_offset(JoystickImpl *This, LPCDIPROPHEADER ph)
 730 {
 731   int i, ofs = -1;
 732   switch (ph->dwHow) {
 733     case DIPH_BYOFFSET:
 734       for (i=0; i<This->df->dwNumObjs; i++) {
 735         if (This->offsets[i]==ph->dwObj) {
 736           return i;
 737         }
 738       }
 739       break;
 740     case DIPH_BYID:
 741       for (i=0; i<This->df->dwNumObjs; i++) {
 742         if ((This->df->rgodf[i].dwType & 0x00ffffff) == (ph->dwObj & 0x00ffffff)) {
 743           ofs = This->df->rgodf[i].dwOfs;
 744           break;
 745         }
 746       }
 747       if (ofs!=-1) {
 748         for (i=0; i<This->df->dwNumObjs; i++) {
 749           if (This->offsets[i]==ofs) {
 750             return i;
 751           }
 752         }
 753       }
 754       break;
 755     default:
 756       FIXME("Unhandled ph->dwHow=='%04X'\n", (unsigned int)ph->dwHow);
 757   }
 758
 759   return -1;
 760 }
 761
 762 /* defines how the linux input system offset mappings into c_dfDIJoystick2 */
 763 static int
 764 lxinput_to_djoy2_offset( int ie_type, int ie_code )
 765 {
 766   switch (ie_type) {
 767     case EV_ABS:
 768       switch (ie_code) {
 769         case ABS_X:             return 0;
 770         case ABS_Y:             return 1;
 771         case ABS_Z:             return 2;
 772         case ABS_RX:            return 3;
 773         case ABS_RY:            return 4;
 774         case ABS_RZ:            return 5;
 775         case ABS_THROTTLE:      return 6;
 776         case ABS_RUDDER:        return 7;
 777         case ABS_HAT0X:
 778         case ABS_HAT0Y:         return 8;
 779         case ABS_HAT1X:
 780         case ABS_HAT1Y:         return 9;
 781         case ABS_HAT2X:
 782         case ABS_HAT2Y:         return 10;
 783         case ABS_HAT3X:
 784         case ABS_HAT3Y:         return 11;
 785         default:
 786           FIXME("Unhandled EV_ABS(0x%02X)\n", ie_code);
 787           return -1;
 788       }
 789     case EV_KEY:
 790       if (ie_code < 128) {
 791         return 12 + ie_code;
 792       } else {
 793         WARN("DX8 does not support more than 128 buttons\n");
 794       }
 795       return -1;
 796   }
 797   FIXME("Unhandled type(0x%02X)\n", ie_type);
 798   return -1;
 799 }
 800
 801 /* convert wine format offset to user format object index */
 802 static int offset_to_object(JoystickImpl *This, int offset)
 803 {
 804     int i;
 805
 806     for (i = 0; i < This->df->dwNumObjs; i++) {
 807         if (This->df->rgodf[i].dwOfs == offset)
 808             return i;
 809     }
 810
 811     return -1;
 812 }
 813
 814 static void calculate_ids(LPDIDATAFORMAT df)
 815 {
 816     int i;
 817     int axis = 0;
 818     int button = 0;
 819     int pov = 0;
 820     int axis_base;
 821     int pov_base;
 822     int button_base;
 823
 824     /* Make two passes over the format. The first counts the number
 825      * for each type and the second sets the id */
 826     for (i = 0; i < df->dwNumObjs; i++) {
 827         if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_AXIS)
 828             axis++;
 829         else if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_POV)
 830             pov++;
 831         else if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_BUTTON)
 832             button++;
 833     }
 834
 835     axis_base = 0;
 836     pov_base = axis;
 837     button_base = axis + pov;
 838
 839     axis = 0;
 840     button = 0;
 841     pov = 0;
 842
 843     for (i = 0; i < df->dwNumObjs; i++) {
 844         DWORD type = 0;
 845         if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_AXIS) {
 846             axis++;
 847             type = DIDFT_GETTYPE(df->rgodf[i].dwType) |
 848                 DIDFT_MAKEINSTANCE(axis + axis_base);
 849             TRACE("axis type = 0x%08x\n", type);
 850         } else if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_POV) {
 851             pov++;
 852             type = DIDFT_GETTYPE(df->rgodf[i].dwType) |
 853                 DIDFT_MAKEINSTANCE(pov + pov_base);
 854             TRACE("POV type = 0x%08x\n", type);
 855         } else if (DIDFT_GETTYPE(df->rgodf[i].dwType) & DIDFT_BUTTON) {
 856             button++;
 857             type = DIDFT_GETTYPE(df->rgodf[i].dwType) |
 858                 DIDFT_MAKEINSTANCE(button + button_base);
 859             TRACE("button type = 0x%08x\n", type);
 860         }
 861         df->rgodf[i].dwType = type;
 862     }
 863 }
 864
 865 static void joy_polldev(JoystickImpl *This) {
 866     struct pollfd plfd;
 867     struct      input_event ie;
 868     int         btn, offset;
 869
 870     if (This->joyfd==-1)
 871         return;
 872
 873     while (1) {
 874         plfd.fd = This->joyfd;
 875         plfd.events = POLLIN;
 876
 877         if (poll(&plfd,1,0) != 1)
 878             return;
 879
 880         /* we have one event, so we can read */
 881         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 882             return;
 883
 884         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 885         switch (ie.type) {
 886         case EV_KEY:    /* button */
 887             btn = This->joydev->buttons[ie.code];
 888             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 889             if (btn&0x80) {
 890               btn &= 0x7F;
 891               /* see if there is a mapping */
 892               offset = lxinput_to_djoy2_offset(ie.type, btn);
 893               if (offset==-1) {
 894                 return;
 895               }
 896               /* and see if there is an offset in the df */
 897               offset = This->offsets[offset];
 898               if (offset==-1) {
 899                 return;
 900               }
 901               This->js.rgbButtons[btn] = ie.value?0x80:0x00;
 902               GEN_EVENT(offset,This->js.rgbButtons[btn],ie.time.tv_usec,(This->dinput->evsequence)++);
 903             }
 904             break;
 905         case EV_ABS:
 906             /* see if there is a mapping */
 907             offset = lxinput_to_djoy2_offset(ie.type, ie.code);
 908             if (offset==-1) {
 909               return;
 910             }
 911             /* and see if there is an offset in the df */
 912             offset = This->offsets[offset];
 913             if (offset==-1) {
 914               return;
 915             }
 916             switch (ie.code) {
 917             case ABS_X:
 918                 This->js.lX = map_axis(This,ABS_X,ie.value);
 919                 GEN_EVENT(offset,This->js.lX,ie.time.tv_usec,(This->dinput->evsequence)++);
 920                 break;
 921             case ABS_Y:
 922                 This->js.lY = map_axis(This,ABS_Y,ie.value);
 923                 GEN_EVENT(offset,This->js.lY,ie.time.tv_usec,(This->dinput->evsequence)++);
 924                 break;
 925             case ABS_Z:
 926                 This->js.lZ = map_axis(This,ABS_Z,ie.value);
 927                 GEN_EVENT(offset,This->js.lZ,ie.time.tv_usec,(This->dinput->evsequence)++);
 928                 break;
 929             case ABS_RX:
 930                 This->js.lRx = map_axis(This,ABS_RX,ie.value);
 931                 GEN_EVENT(offset,This->js.lRx,ie.time.tv_usec,(This->dinput->evsequence)++);
 932                 break;
 933             case ABS_RY:
 934                 This->js.lRy = map_axis(This,ABS_RY,ie.value);
 935                 GEN_EVENT(offset,This->js.lRy,ie.time.tv_usec,(This->dinput->evsequence)++);
 936                 break;
 937             case ABS_RZ:
 938                 This->js.lRz = map_axis(This,ABS_RZ,ie.value);
 939                 GEN_EVENT(offset,This->js.lRz,ie.time.tv_usec,(This->dinput->evsequence)++);
 940                 break;
 941             case ABS_THROTTLE:
 942                 This->js.rglSlider[0] = map_axis(This,ABS_THROTTLE,ie.value);
 943                 GEN_EVENT(offset,This->js.rglSlider[0],ie.time.tv_usec,(This->dinput->evsequence)++);
 944                 break;
 945             case ABS_RUDDER:
 946                 This->js.rglSlider[1] = map_axis(This,ABS_RUDDER,ie.value);
 947                 GEN_EVENT(offset,This->js.rglSlider[1],ie.time.tv_usec,(This->dinput->evsequence)++);
 948                 break;
 949             case ABS_HAT0X:
 950             case ABS_HAT0Y:
 951                 This->js.rgdwPOV[0] = map_pov(ie.value,ie.code==ABS_HAT0X);
 952                 GEN_EVENT(offset,This->js.rgdwPOV[0],ie.time.tv_usec,(This->dinput->evsequence)++);
 953                 break;
 954             case ABS_HAT1X:
 955             case ABS_HAT1Y:
 956                 This->js.rgdwPOV[1] = map_pov(ie.value,ie.code==ABS_HAT1X);
 957                 GEN_EVENT(offset,This->js.rgdwPOV[1],ie.time.tv_usec,(This->dinput->evsequence)++);
 958                 break;
 959             case ABS_HAT2X:
 960             case ABS_HAT2Y:
 961                 This->js.rgdwPOV[2] = map_pov(ie.value,ie.code==ABS_HAT2X);
 962                 GEN_EVENT(offset,This->js.rgdwPOV[2],ie.time.tv_usec,(This->dinput->evsequence)++);
 963                 break;
 964             case ABS_HAT3X:
 965             case ABS_HAT3Y:
 966                 This->js.rgdwPOV[3] = map_pov(ie.value,ie.code==ABS_HAT3X);
 967                 GEN_EVENT(offset,This->js.rgdwPOV[3],ie.time.tv_usec,(This->dinput->evsequence)++);
 968                 break;
 969             default:
 970                 FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
 971                 break;
 972             }
 973             break;
 974 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 975         case EV_FF_STATUS:
 976             This->ff_state = ie.value;
 977             break;
 978 #endif
 979 #ifdef EV_SYN
 980         case EV_SYN:
 981             /* there is nothing to do */
 982             break;
 983 #endif
 984         default:
 985             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 986             break;
 987         }
 988     }
 989 }
 990
 991 /******************************************************************************
 992   *     GetDeviceState : returns the "state" of the joystick.
 993   *
 994   */
 995 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 996         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 997 ) {
 998     JoystickImpl *This = (JoystickImpl *)iface;
 999
1000     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
1001
1002     if (This->joyfd==-1) {
1003         WARN("not acquired\n");
1004         return DIERR_NOTACQUIRED;
1005     }
1006
1007     joy_polldev(This);
1008
1009     /* convert and copy data to user supplied buffer */
1010     fill_DataFormat(ptr, &This->js, This->transform);
1011
1012     return DI_OK;
1013 }
1014
1015 /******************************************************************************
1016   *     GetDeviceData : gets buffered input data.
1017   */
1018 static HRESULT WINAPI JoystickAImpl_GetDeviceData(LPDIRECTINPUTDEVICE8A iface,
1019                                               DWORD dodsize,
1020                                               LPDIDEVICEOBJECTDATA dod,
1021                                               LPDWORD entries,
1022                                               DWORD flags
1023 ) {
1024   JoystickImpl *This = (JoystickImpl *)iface;
1025   DWORD len;
1026   int nqtail;
1027   HRESULT hr = DI_OK;
1028
1029   TRACE("(%p)->(dods=%d,entries=%d,fl=0x%08x)\n", This, dodsize, *entries, flags);
1030
1031   if (This->joyfd==-!1) {
1032     WARN("not acquired\n");
1033     return DIERR_NOTACQUIRED;
1034   }
1035
1036   joy_polldev(This);
1037   if (flags & DIGDD_PEEK)
1038     FIXME("DIGDD_PEEK\n");
1039
1040   len = ((This->queue_head < This->queue_tail) ? This->queue_len : 0)
1041     + (This->queue_head - This->queue_tail);
1042   if (len > *entries)
1043     len = *entries;
1044
1045   if (dod == NULL) {
1046     if (len)
1047       TRACE("Application discarding %d event(s).\n", len);
1048
1049     *entries = len;
1050     nqtail = This->queue_tail + len;
1051     while (nqtail >= This->queue_len)
1052       nqtail -= This->queue_len;
1053   } else {
1054     if (dodsize < sizeof(DIDEVICEOBJECTDATA_DX3)) {
1055       ERR("Wrong structure size !\n");
1056       return DIERR_INVALIDPARAM;
1057   }
1058
1059     if (len)
1060       TRACE("Application retrieving %d event(s).\n", len);
1061
1062     *entries = 0;
1063     nqtail = This->queue_tail;
1064     while (len) {
1065       /* Copy the buffered data into the application queue */
1066       memcpy((char *)dod + *entries * dodsize, This->data_queue + nqtail, dodsize);
1067       /* Advance position */
1068       nqtail++;
1069       if (nqtail >= This->queue_len)
1070         nqtail -= This->queue_len;
1071       (*entries)++;
1072       len--;
1073     }
1074   }
1075
1076   if (This->overflow) {
1077     hr = DI_BUFFEROVERFLOW;
1078     if (!(flags & DIGDD_PEEK)) {
1079       This->overflow = FALSE;
1080     }
1081   }
1082
1083   if (!(flags & DIGDD_PEEK))
1084     This->queue_tail = nqtail;
1085
1086   return hr;
1087 }
1088
1089 /******************************************************************************
1090   *     SetProperty : change input device properties
1091   */
1092 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
1093                                             REFGUID rguid,
1094                                             LPCDIPROPHEADER ph)
1095 {
1096   JoystickImpl *This = (JoystickImpl *)iface;
1097
1098   if (!ph) {
1099     WARN("invalid argument\n");
1100     return DIERR_INVALIDPARAM;
1101   }
1102
1103   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
1104   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
1105         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
1106
1107   if (!HIWORD(rguid)) {
1108     switch (LOWORD(rguid)) {
1109     case (DWORD) DIPROP_BUFFERSIZE: {
1110       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
1111
1112       TRACE("buffersize = %d\n", pd->dwData);
1113       if (This->data_queue) {
1114         This->data_queue = HeapReAlloc(GetProcessHeap(),0, This->data_queue, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
1115       } else {
1116         This->data_queue = HeapAlloc(GetProcessHeap(),0, pd->dwData * sizeof(DIDEVICEOBJECTDATA));
1117       }
1118       This->queue_head = 0;
1119       This->queue_tail = 0;
1120       This->queue_len  = pd->dwData;
1121       break;
1122     }
1123     case (DWORD)DIPROP_RANGE: {
1124       LPCDIPROPRANGE    pr = (LPCDIPROPRANGE)ph;
1125
1126       if (ph->dwHow == DIPH_DEVICE) {
1127         int i;
1128         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
1129         for (i = 0; i < This->df->dwNumObjs; i++) {
1130           This->wantmin[i] = pr->lMin;
1131           This->wantmax[i] = pr->lMax;
1132         }
1133       } else {
1134         int obj = find_property_offset(This, ph);
1135         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
1136         if (obj >= 0) {
1137           This->wantmin[obj] = pr->lMin;
1138           This->wantmax[obj] = pr->lMax;
1139         }
1140       }
1141       fake_current_js_state(This);
1142       return DI_OK;
1143     }
1144     case (DWORD)DIPROP_DEADZONE: {
1145       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
1146       if (ph->dwHow == DIPH_DEVICE) {
1147         int i;
1148         TRACE("deadzone(%d) all\n", pd->dwData);
1149         for (i = 0; i < This->df->dwNumObjs; i++) {
1150           This->deadz[i] = pd->dwData;
1151         }
1152       } else {
1153         int obj = find_property_offset(This, ph);
1154         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
1155         if (obj >= 0) {
1156           This->deadz[obj] = pd->dwData;
1157         }
1158       }
1159       fake_current_js_state(This);
1160       return DI_OK;
1161     }
1162     default:
1163       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
1164       break;
1165     }
1166   }
1167   return 0;
1168 }
1169
1170 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
1171         LPDIRECTINPUTDEVICE8A iface,
1172         LPDIDEVCAPS lpDIDevCaps)
1173 {
1174     JoystickImpl *This = (JoystickImpl *)iface;
1175     int         i,axes,buttons,povs;
1176
1177     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
1178
1179     if (!lpDIDevCaps) {
1180         WARN("invalid pointer\n");
1181         return E_POINTER;
1182     }
1183
1184     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
1185         WARN("invalid argument\n");
1186         return DIERR_INVALIDPARAM;
1187     }
1188
1189     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
1190     if (This->dinput->dwVersion >= 0x0800)
1191         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
1192     else
1193         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
1194
1195     axes=0;
1196     for (i=0;i<ABS_MAX;i++) {
1197       if (!test_bit(This->joydev->absbits,i)) continue;
1198       switch (i) {
1199       case ABS_HAT0X: case ABS_HAT0Y:
1200       case ABS_HAT1X: case ABS_HAT1Y:
1201       case ABS_HAT2X: case ABS_HAT2Y:
1202       case ABS_HAT3X: case ABS_HAT3Y:
1203         /* will be handled as POV - see below */
1204         break;
1205       default:
1206         axes++;
1207       }
1208     }
1209     buttons=0;
1210     for (i=0;i<KEY_MAX;i++) if (test_bit(This->joydev->keybits,i)) buttons++;
1211     povs=0;
1212     for (i=0; i<4; i++) {
1213       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
1214         povs ++;
1215       }
1216     }
1217
1218     if (This->joydev->has_ff)
1219          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
1220
1221     lpDIDevCaps->dwAxes = axes;
1222     lpDIDevCaps->dwButtons = buttons;
1223     lpDIDevCaps->dwPOVs = povs;
1224
1225     return DI_OK;
1226 }
1227
1228 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
1229     JoystickImpl *This = (JoystickImpl *)iface;
1230     TRACE("(%p)\n",This);
1231
1232     if (This->joyfd==-1) {
1233       return DIERR_NOTACQUIRED;
1234     }
1235
1236     joy_polldev(This);
1237     return DI_OK;
1238 }
1239
1240 /******************************************************************************
1241   *     EnumObjects : enumerate the different buttons and axis...
1242   */
1243 static HRESULT WINAPI JoystickAImpl_EnumObjects(
1244         LPDIRECTINPUTDEVICE8A iface,
1245         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
1246         LPVOID lpvRef,
1247         DWORD dwFlags)
1248 {
1249   JoystickImpl *This = (JoystickImpl *)iface;
1250   DIDEVICEOBJECTINSTANCEA ddoi;
1251   int user_offset, user_object;
1252
1253   TRACE("(this=%p,%p,%p,%08x)\n", This, lpCallback, lpvRef, dwFlags);
1254   if (TRACE_ON(dinput)) {
1255     TRACE("  - flags = ");
1256     _dump_EnumObjects_flags(dwFlags);
1257     TRACE("\n");
1258   }
1259
1260   /* Only the fields till dwFFMaxForce are relevant */
1261   ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
1262
1263   /* For the joystick, do as is done in the GetCapabilities function */
1264   /* FIXME: needs more items */
1265   if ((dwFlags == DIDFT_ALL) ||
1266       (dwFlags & DIDFT_AXIS)) {
1267     BYTE i;
1268
1269     for (i = 0; i < ABS_MAX; i++) {
1270       if (!test_bit(This->joydev->absbits,i)) continue;
1271
1272       switch (i) {
1273       case ABS_X:
1274         ddoi.guidType = GUID_XAxis;
1275         break;
1276       case ABS_Y:
1277         ddoi.guidType = GUID_YAxis;
1278         break;
1279       case ABS_Z:
1280         ddoi.guidType = GUID_ZAxis;
1281         break;
1282       case ABS_RX:
1283         ddoi.guidType = GUID_RxAxis;
1284         break;
1285       case ABS_RY:
1286         ddoi.guidType = GUID_RyAxis;
1287         break;
1288       case ABS_RZ:
1289         ddoi.guidType = GUID_RzAxis;
1290         break;
1291       case ABS_THROTTLE:
1292         ddoi.guidType = GUID_Slider;
1293         break;
1294       case ABS_RUDDER:
1295         ddoi.guidType = GUID_Slider;
1296         break;
1297       case ABS_HAT0X: case ABS_HAT0Y:
1298       case ABS_HAT1X: case ABS_HAT1Y:
1299       case ABS_HAT2X: case ABS_HAT2Y:
1300       case ABS_HAT3X: case ABS_HAT3Y:
1301         /* will be handled as POV - see below */
1302         continue;
1303       default:
1304         FIXME("unhandled abs axis 0x%02x, ignoring!\n",i);
1305         continue;
1306       }
1307       user_offset = lxinput_to_djoy2_offset(EV_ABS, i);
1308       if (user_offset == -1) {
1309         continue;
1310       }
1311       user_offset = This->offsets[user_offset];
1312       if (user_offset == -1) {
1313         continue;
1314       }
1315       user_object = offset_to_object(This, user_offset);
1316       ddoi.dwType = This->df->rgodf[user_object].dwType & 0x00ffffff;
1317       ddoi.dwOfs =  This->df->rgodf[user_object].dwOfs;
1318       /* Linux event force feedback supports only (and always) x and y axes */
1319       if (i == ABS_X || i == ABS_Y) {
1320         if (This->joydev->has_ff)
1321           ddoi.dwFlags |= DIDOI_FFACTUATOR;
1322       }
1323       sprintf(ddoi.tszName, "%d-Axis", i);
1324       _dump_OBJECTINSTANCEA(&ddoi);
1325       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1326         return DI_OK;
1327       }
1328     }
1329   }
1330
1331   if ((dwFlags == DIDFT_ALL) ||
1332       (dwFlags & DIDFT_POV)) {
1333     int i;
1334     ddoi.guidType = GUID_POV;
1335     for (i=0; i<4; i++) {
1336       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
1337         user_offset = lxinput_to_djoy2_offset(EV_ABS, ABS_HAT0X+i);
1338         if (user_offset == -1) {
1339           continue;
1340         }
1341         user_offset = This->offsets[user_offset];
1342         if (user_offset == -1) {
1343           continue;
1344         }
1345         user_object = offset_to_object(This, user_offset);
1346         ddoi.dwType = This->df->rgodf[user_object].dwType & 0x00ffffff;
1347         ddoi.dwOfs =  This->df->rgodf[user_object].dwOfs;
1348         sprintf(ddoi.tszName, "%d-POV", i);
1349         _dump_OBJECTINSTANCEA(&ddoi);
1350         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1351           return DI_OK;
1352         }
1353       }
1354     }
1355   }
1356
1357   if ((dwFlags == DIDFT_ALL) ||
1358       (dwFlags & DIDFT_BUTTON)) {
1359     int i, btncount=0;
1360
1361     /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/
1362
1363     ddoi.guidType = GUID_Button;
1364
1365     for (i = 0; i < KEY_MAX; i++) {
1366       if (!test_bit(This->joydev->keybits,i)) continue;
1367       user_offset = lxinput_to_djoy2_offset(EV_KEY, btncount);
1368       if (user_offset == -1) {
1369         continue;
1370       }
1371       user_offset = This->offsets[user_offset];
1372       if (user_offset == -1) {
1373         continue;
1374       }
1375       user_object = offset_to_object(This, user_offset);
1376       ddoi.dwType = This->df->rgodf[user_object].dwType & 0x00ffffff;
1377       ddoi.dwOfs =  This->df->rgodf[user_object].dwOfs;
1378       sprintf(ddoi.tszName, "%d-Button", btncount);
1379       btncount++;
1380       _dump_OBJECTINSTANCEA(&ddoi);
1381       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1382         return DI_OK;
1383       }
1384     }
1385   }
1386
1387   return DI_OK;
1388 }
1389
1390 static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
1391                                                 LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
1392                                                 LPVOID lpvRef,
1393                                                 DWORD dwFlags)
1394 {
1395   JoystickImpl *This = (JoystickImpl *)iface;
1396
1397   device_enumobjects_AtoWcb_data data;
1398
1399   data.lpCallBack = lpCallback;
1400   data.lpvRef = lpvRef;
1401
1402   return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
1403 }
1404
1405 /******************************************************************************
1406   *     GetProperty : get input device properties
1407   */
1408 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1409                                                 REFGUID rguid,
1410                                                 LPDIPROPHEADER pdiph)
1411 {
1412   JoystickImpl *This = (JoystickImpl *)iface;
1413
1414   TRACE("(this=%p,%s,%p)\n",
1415         iface, debugstr_guid(rguid), pdiph);
1416
1417   if (TRACE_ON(dinput))
1418     _dump_DIPROPHEADER(pdiph);
1419
1420   if (!HIWORD(rguid)) {
1421     switch (LOWORD(rguid)) {
1422     case (DWORD) DIPROP_BUFFERSIZE: {
1423       LPDIPROPDWORD     pd = (LPDIPROPDWORD)pdiph;
1424
1425       TRACE(" return buffersize = %d\n",This->queue_len);
1426       pd->dwData = This->queue_len;
1427       break;
1428     }
1429
1430     case (DWORD) DIPROP_RANGE: {
1431       LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
1432       int obj = find_property_offset(This, pdiph);
1433       if (obj >= 0) {
1434         pr->lMin = This->joydev->havemin[obj];
1435         pr->lMax = This->joydev->havemax[obj];
1436         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
1437         return DI_OK;
1438       }
1439       break;
1440     }
1441
1442     default:
1443       FIXME("Unknown type %p (%s)\n",rguid,debugstr_guid(rguid));
1444       break;
1445     }
1446   }
1447
1448
1449   return DI_OK;
1450 }
1451
1452 /******************************************************************************
1453   *     CreateEffect - Create a new FF effect with the specified params
1454   */
1455 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1456                                                  REFGUID rguid,
1457                                                  LPCDIEFFECT lpeff,
1458                                                  LPDIRECTINPUTEFFECT *ppdef,
1459                                                  LPUNKNOWN pUnkOuter)
1460 {
1461 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1462     EffectListItem* new = NULL;
1463     HRESULT retval = DI_OK;
1464 #endif
1465
1466     JoystickImpl* This = (JoystickImpl*)iface;
1467     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1468
1469 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1470     TRACE("not available (compiled w/o ff support)\n");
1471     *ppdef = NULL;
1472     return DI_OK;
1473 #else
1474
1475     new = malloc(sizeof(EffectListItem));
1476     new->next = This->top_effect;
1477     This->top_effect = new;
1478
1479     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1480     if (retval != DI_OK)
1481         return retval;
1482
1483     if (lpeff != NULL)
1484         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1485     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1486         return retval;
1487
1488     *ppdef = new->ref;
1489
1490     if (pUnkOuter != NULL)
1491         FIXME("Interface aggregation not implemented.\n");
1492
1493     return DI_OK;
1494
1495 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1496 }
1497
1498 /*******************************************************************************
1499  *      EnumEffects - Enumerate available FF effects
1500  */
1501 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1502                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1503                                                 LPVOID pvRef,
1504                                                 DWORD dwEffType)
1505 {
1506 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1507     DIEFFECTINFOA dei; /* feif */
1508     DWORD type = DIEFT_GETTYPE(dwEffType);
1509     JoystickImpl* This = (JoystickImpl*)iface;
1510
1511     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1512
1513     dei.dwSize = sizeof(DIEFFECTINFOA);
1514
1515     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1516         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1517         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1518         (*lpCallback)(&dei, pvRef);
1519     }
1520
1521     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1522         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1523         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1524             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1525             (*lpCallback)(&dei, pvRef);
1526         }
1527         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1528             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1529             (*lpCallback)(&dei, pvRef);
1530         }
1531         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1532             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1533             (*lpCallback)(&dei, pvRef);
1534         }
1535         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1536             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1537             (*lpCallback)(&dei, pvRef);
1538         }
1539         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1540             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1541             (*lpCallback)(&dei, pvRef);
1542         }
1543     }
1544
1545     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1546         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1547         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1548         (*lpCallback)(&dei, pvRef);
1549     }
1550
1551     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1552         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1553             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1554             (*lpCallback)(&dei, pvRef);
1555         }
1556         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1557             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1558             (*lpCallback)(&dei, pvRef);
1559         }
1560         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1561             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1562             (*lpCallback)(&dei, pvRef);
1563         }
1564         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1565             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1566             (*lpCallback)(&dei, pvRef);
1567         }
1568     }
1569
1570 #endif
1571
1572     return DI_OK;
1573 }
1574
1575 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1576                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1577                                                 LPVOID pvRef,
1578                                                 DWORD dwEffType)
1579 {
1580 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1581     /* seems silly to duplicate all this code but all the structures and functions
1582      * are actually different (A/W) */
1583     DIEFFECTINFOW dei; /* feif */
1584     DWORD type = DIEFT_GETTYPE(dwEffType);
1585     JoystickImpl* This = (JoystickImpl*)iface;
1586     int xfd = This->joyfd;
1587
1588     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1589
1590     dei.dwSize = sizeof(DIEFFECTINFOW);
1591
1592     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1593         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1594         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1595         (*lpCallback)(&dei, pvRef);
1596     }
1597
1598     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1599         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1600         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1601             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1602             (*lpCallback)(&dei, pvRef);
1603         }
1604         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1605             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1606             (*lpCallback)(&dei, pvRef);
1607         }
1608         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1609             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1610             (*lpCallback)(&dei, pvRef);
1611         }
1612         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1613             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1614             (*lpCallback)(&dei, pvRef);
1615         }
1616         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1617             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1618             (*lpCallback)(&dei, pvRef);
1619         }
1620     }
1621
1622     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1623         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1624         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1625         (*lpCallback)(&dei, pvRef);
1626     }
1627
1628     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1629         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1630             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1631             (*lpCallback)(&dei, pvRef);
1632         }
1633         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1634             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1635             (*lpCallback)(&dei, pvRef);
1636         }
1637         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1638             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1639             (*lpCallback)(&dei, pvRef);
1640         }
1641         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1642             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1643             (*lpCallback)(&dei, pvRef);
1644         }
1645     }
1646
1647     /* return to unacquired state if that's where it was */
1648     if (xfd == -1)
1649         IDirectInputDevice8_Unacquire(iface);
1650 #endif
1651
1652     return DI_OK;
1653 }
1654
1655 /*******************************************************************************
1656  *      GetEffectInfo - Get information about a particular effect
1657  */
1658 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1659                                                   LPDIEFFECTINFOA pdei,
1660                                                   REFGUID guid)
1661 {
1662     JoystickImpl* This = (JoystickImpl*)iface;
1663
1664     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1665
1666 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1667     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1668 #else
1669     return DI_OK;
1670 #endif
1671 }
1672
1673 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1674                                                   LPDIEFFECTINFOW pdei,
1675                                                   REFGUID guid)
1676 {
1677     JoystickImpl* This = (JoystickImpl*)iface;
1678
1679     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1680
1681 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1682     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1683 #else
1684     return DI_OK;
1685 #endif
1686 }
1687
1688 /*******************************************************************************
1689  *      GetForceFeedbackState - Get information about the device's FF state
1690  */
1691 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1692         LPDIRECTINPUTDEVICE8A iface,
1693         LPDWORD pdwOut)
1694 {
1695     JoystickImpl* This = (JoystickImpl*)iface;
1696
1697     TRACE("(this=%p,%p)\n", This, pdwOut);
1698
1699     (*pdwOut) = 0;
1700
1701 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1702     /* DIGFFS_STOPPED is the only mandatory flag to report */
1703     if (This->ff_state == FF_STATUS_STOPPED)
1704         (*pdwOut) |= DIGFFS_STOPPED;
1705 #endif
1706
1707     return DI_OK;
1708 }
1709
1710 /*******************************************************************************
1711  *      SendForceFeedbackCommand - Send a command to the device's FF system
1712  */
1713 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1714         LPDIRECTINPUTDEVICE8A iface,
1715         DWORD dwFlags)
1716 {
1717     JoystickImpl* This = (JoystickImpl*)iface;
1718     TRACE("(this=%p,%d)\n", This, dwFlags);
1719
1720 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1721     if (dwFlags == DISFFC_STOPALL) {
1722         /* Stop all effects */
1723         EffectListItem* itr = This->top_effect;
1724         while (itr) {
1725             IDirectInputEffect_Stop(itr->ref);
1726             itr = itr->next;
1727         }
1728     } else if (dwFlags == DISFFC_RESET) {
1729         /* Stop, unload, release and free all effects */
1730         /* This returns the device to its "bare" state */
1731         while (This->top_effect) {
1732             EffectListItem* temp = This->top_effect;
1733             IDirectInputEffect_Stop(temp->ref);
1734             IDirectInputEffect_Unload(temp->ref);
1735             IDirectInputEffect_Release(temp->ref);
1736             This->top_effect = temp->next;
1737             free(temp);
1738         }
1739     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1740         FIXME("No support for Pause or Continue in linux\n");
1741     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1742                 || dwFlags == DISFFC_SETACTUATORSON) {
1743         FIXME("No direct actuator control in linux\n");
1744     } else {
1745         FIXME("Unknown Force Feedback Command!\n");
1746         return DIERR_INVALIDPARAM;
1747     }
1748     return DI_OK;
1749 #else
1750     return DIERR_UNSUPPORTED;
1751 #endif
1752 }
1753
1754 /*******************************************************************************
1755  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1756  *              created for this device.
1757  */
1758 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1759         LPDIRECTINPUTDEVICE8A iface,
1760         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1761         LPVOID pvRef,
1762         DWORD dwFlags)
1763 {
1764     /* this function is safe to call on non-ff-enabled builds */
1765
1766     JoystickImpl* This = (JoystickImpl*)iface;
1767     EffectListItem* itr = This->top_effect;
1768     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1769
1770     if (!lpCallback)
1771         return DIERR_INVALIDPARAM;
1772
1773     if (dwFlags != 0)
1774         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1775
1776     while (itr) {
1777         (*lpCallback)(itr->ref, pvRef);
1778         itr = itr->next;
1779     }
1780
1781     return DI_OK;
1782 }
1783
1784 static const IDirectInputDevice8AVtbl JoystickAvt =
1785 {
1786         IDirectInputDevice2AImpl_QueryInterface,
1787         IDirectInputDevice2AImpl_AddRef,
1788         JoystickAImpl_Release,
1789         JoystickAImpl_GetCapabilities,
1790         JoystickAImpl_EnumObjects,
1791         JoystickAImpl_GetProperty,
1792         JoystickAImpl_SetProperty,
1793         JoystickAImpl_Acquire,
1794         JoystickAImpl_Unacquire,
1795         JoystickAImpl_GetDeviceState,
1796         JoystickAImpl_GetDeviceData,
1797         JoystickAImpl_SetDataFormat,
1798         IDirectInputDevice2AImpl_SetEventNotification,
1799         IDirectInputDevice2AImpl_SetCooperativeLevel,
1800         IDirectInputDevice2AImpl_GetObjectInfo,
1801         IDirectInputDevice2AImpl_GetDeviceInfo,
1802         IDirectInputDevice2AImpl_RunControlPanel,
1803         IDirectInputDevice2AImpl_Initialize,
1804         JoystickAImpl_CreateEffect,
1805         JoystickAImpl_EnumEffects,
1806         JoystickAImpl_GetEffectInfo,
1807         JoystickAImpl_GetForceFeedbackState,
1808         JoystickAImpl_SendForceFeedbackCommand,
1809         JoystickAImpl_EnumCreatedEffectObjects,
1810         IDirectInputDevice2AImpl_Escape,
1811         JoystickAImpl_Poll,
1812         IDirectInputDevice2AImpl_SendDeviceData,
1813         IDirectInputDevice7AImpl_EnumEffectsInFile,
1814         IDirectInputDevice7AImpl_WriteEffectToFile,
1815         IDirectInputDevice8AImpl_BuildActionMap,
1816         IDirectInputDevice8AImpl_SetActionMap,
1817         IDirectInputDevice8AImpl_GetImageInfo
1818 };
1819
1820 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1821 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1822 #else
1823 # define XCAST(fun)     (void*)
1824 #endif
1825
1826 static const IDirectInputDevice8WVtbl JoystickWvt =
1827 {
1828         IDirectInputDevice2WImpl_QueryInterface,
1829         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1830         XCAST(Release)JoystickAImpl_Release,
1831         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1832         JoystickWImpl_EnumObjects,
1833         XCAST(GetProperty)JoystickAImpl_GetProperty,
1834         XCAST(SetProperty)JoystickAImpl_SetProperty,
1835         XCAST(Acquire)JoystickAImpl_Acquire,
1836         XCAST(Unacquire)JoystickAImpl_Unacquire,
1837         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1838         XCAST(GetDeviceData)JoystickAImpl_GetDeviceData,
1839         XCAST(SetDataFormat)JoystickAImpl_SetDataFormat,
1840         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1841         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1842         IDirectInputDevice2WImpl_GetObjectInfo,
1843         IDirectInputDevice2WImpl_GetDeviceInfo,
1844         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1845         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1846         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1847         JoystickWImpl_EnumEffects,
1848         JoystickWImpl_GetEffectInfo,
1849         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1850         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1851         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1852         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1853         XCAST(Poll)JoystickAImpl_Poll,
1854         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1855         IDirectInputDevice7WImpl_EnumEffectsInFile,
1856         IDirectInputDevice7WImpl_WriteEffectToFile,
1857         IDirectInputDevice8WImpl_BuildActionMap,
1858         IDirectInputDevice8WImpl_SetActionMap,
1859         IDirectInputDevice8WImpl_GetImageInfo
1860 };
1861 #undef XCAST
1862
1863 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1864
1865 const struct dinput_device joystick_linuxinput_device = {
1866   "Wine Linux-input joystick driver",
1867   NULL,
1868   NULL,
1869   NULL,
1870   NULL
1871 };
1872
1873 #endif  /* HAVE_CORRECT_LINUXINPUT_H */