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         DIJOYSTATE2                     js;
 140
 141         /* Force feedback variables */
 142         EffectListItem*                 top_effect;
 143         int                             ff_state;
 144 };
 145
 146 static void fake_current_js_state(JoystickImpl *ji);
 147 static DWORD map_pov(int event_value, int is_x);
 148 static void find_joydevs(void);
 149 static int lxinput_to_user_offset(JoystickImpl *This, int ie_type, int ie_code);
 150
 151 /* This GUID is slightly different from the linux joystick one. Take note. */
 152 static const GUID DInput_Wine_Joystick_Base_GUID = { /* 9e573eda-7734-11d2-8d4a-23903fb6bdf7 */
 153   0x9e573eda,
 154   0x7734,
 155   0x11d2,
 156   {0x8d, 0x4a, 0x23, 0x90, 0x3f, 0xb6, 0xbd, 0xf7}
 157 };
 158
 159 #define test_bit(arr,bit) (((BYTE*)(arr))[(bit)>>3]&(1<<((bit)&7)))
 160
 161 #define MAX_JOYDEV 64
 162
 163 static int have_joydevs = -1;
 164 static struct JoyDev *joydevs = NULL;
 165
 166 static void find_joydevs(void)
 167 {
 168   int i;
 169
 170   if (have_joydevs!=-1) {
 171     return;
 172   }
 173
 174   have_joydevs = 0;
 175
 176   for (i=0;i<MAX_JOYDEV;i++) {
 177     char        buf[MAX_PATH];
 178     struct JoyDev joydev = {0};
 179     int fd;
 180     int no_ff_check = 0;
 181     int j, buttons;
 182
 183     snprintf(buf,MAX_PATH,EVDEVPREFIX"%d",i);
 184     buf[MAX_PATH-1] = 0;
 185
 186     if ((fd=open(buf, O_RDWR))==-1) {
 187       fd = open(buf, O_RDONLY);
 188       no_ff_check = 1;
 189     }
 190
 191     if (fd!=-1) {
 192       if ((-1==ioctl(fd,EVIOCGBIT(0,sizeof(joydev.evbits)),joydev.evbits))) {
 193         perror("EVIOCGBIT 0");
 194         close(fd);
 195         continue;
 196       }
 197       if (-1==ioctl(fd,EVIOCGBIT(EV_ABS,sizeof(joydev.absbits)),joydev.absbits)) {
 198         perror("EVIOCGBIT EV_ABS");
 199         close(fd);
 200         continue;
 201       }
 202       if (-1==ioctl(fd,EVIOCGBIT(EV_KEY,sizeof(joydev.keybits)),joydev.keybits)) {
 203         perror("EVIOCGBIT EV_KEY");
 204         close(fd);
 205         continue;
 206       }
 207       /* A true joystick has at least axis X and Y, and at least 1
 208        * button. copied from linux/drivers/input/joydev.c */
 209       if (test_bit(joydev.absbits,ABS_X) && test_bit(joydev.absbits,ABS_Y) &&
 210           (   test_bit(joydev.keybits,BTN_TRIGGER)      ||
 211               test_bit(joydev.keybits,BTN_A)    ||
 212               test_bit(joydev.keybits,BTN_1)
 213           )
 214          ) {
 215
 216         joydev.device = strdup(buf);
 217
 218         if (-1!=ioctl(fd, EVIOCGNAME(MAX_PATH-1), buf)) {
 219           buf[MAX_PATH-1] = 0;
 220           joydev.name = strdup(buf);
 221         } else {
 222           joydev.name = joydev.device;
 223         }
 224
 225         joydev.guid = DInput_Wine_Joystick_Base_GUID;
 226         joydev.guid.Data3 += have_joydevs;
 227
 228         TRACE("Found a joystick on %s: %s (%s)\n",
 229             joydev.device, joydev.name,
 230             debugstr_guid(&joydev.guid)
 231             );
 232
 233 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 234         if (!no_ff_check) {
 235           if ((!test_bit(joydev.evbits,EV_FF))
 236               || (-1==ioctl(fd,EVIOCGBIT(EV_FF,sizeof(joydev.ffbits)),joydev.ffbits))
 237               || (-1==ioctl(fd,EVIOCGEFFECTS,&joydev.num_effects))
 238               || (joydev.num_effects <= 0)) {
 239             close(fd);
 240           } else {
 241             TRACE(" ... with force feedback\n");
 242             joydev.has_ff = 1;
 243           }
 244         }
 245 #endif
 246
 247         for (j=0;j<ABS_MAX;j++) {
 248           if (test_bit(joydev.absbits,j)) {
 249             if (-1!=ioctl(fd,EVIOCGABS(j),&(joydev.axes[j]))) {
 250               TRACE(" ... with axe %d: cur=%d, min=%d, max=%d, fuzz=%d, flat=%d\n",
 251                   j,
 252                   joydev.axes[j][AXE_ABS],
 253                   joydev.axes[j][AXE_ABSMIN],
 254                   joydev.axes[j][AXE_ABSMAX],
 255                   joydev.axes[j][AXE_ABSFUZZ],
 256                   joydev.axes[j][AXE_ABSFLAT]
 257                   );
 258               joydev.havemin[j] = joydev.axes[j][AXE_ABSMIN];
 259               joydev.havemax[j] = joydev.axes[j][AXE_ABSMAX];
 260             }
 261           }
 262         }
 263
 264         buttons = 0;
 265         for (j=0;j<KEY_MAX;j++) {
 266           if (test_bit(joydev.keybits,j)) {
 267             TRACE(" ... with button %d: %d\n", j, buttons);
 268             joydev.buttons[j] = 0x80 | buttons;
 269             buttons++;
 270           }
 271         }
 272
 273         if (have_joydevs==0) {
 274           joydevs = HeapAlloc(GetProcessHeap(), 0, sizeof(struct JoyDev));
 275         } else {
 276           HeapReAlloc(GetProcessHeap(), 0, joydevs, (1+have_joydevs) * sizeof(struct JoyDev));
 277         }
 278         memcpy(joydevs+have_joydevs, &joydev, sizeof(struct JoyDev));
 279         have_joydevs++;
 280       }
 281
 282       close(fd);
 283     }
 284   }
 285 }
 286
 287 static BOOL joydev_enum_deviceA(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEA lpddi, DWORD version, int id)
 288 {
 289   find_joydevs();
 290
 291   if (id >= have_joydevs) {
 292     return FALSE;
 293   }
 294
 295   if (!((dwDevType == 0) ||
 296         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 297         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 298     return FALSE;
 299
 300 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 301   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 302     return FALSE;
 303 #endif
 304
 305   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 306     lpddi->guidInstance = joydevs[id].guid;
 307     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 308
 309     lpddi->guidFFDriver = GUID_NULL;
 310     if (version >= 0x0800)
 311       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 312     else
 313       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 314
 315     strcpy(lpddi->tszInstanceName, joydevs[id].name);
 316     strcpy(lpddi->tszProductName, joydevs[id].device);
 317     return TRUE;
 318   }
 319   return FALSE;
 320 }
 321
 322 static BOOL joydev_enum_deviceW(DWORD dwDevType, DWORD dwFlags, LPDIDEVICEINSTANCEW lpddi, DWORD version, int id)
 323 {
 324   find_joydevs();
 325
 326   if (id >= have_joydevs) {
 327     return FALSE;
 328   }
 329
 330   if (!((dwDevType == 0) ||
 331         ((dwDevType == DIDEVTYPE_JOYSTICK) && (version < 0x0800)) ||
 332         (((dwDevType == DI8DEVCLASS_GAMECTRL) || (dwDevType == DI8DEVTYPE_JOYSTICK)) && (version >= 0x0800))))
 333     return FALSE;
 334
 335 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
 336   if (dwFlags & DIEDFL_FORCEFEEDBACK)
 337     return FALSE;
 338 #endif
 339
 340   if (!(dwFlags & DIEDFL_FORCEFEEDBACK) || joydevs[id].has_ff) {
 341     lpddi->guidInstance = joydevs[id].guid;
 342     lpddi->guidProduct  = DInput_Wine_Joystick_Base_GUID;
 343
 344     lpddi->guidFFDriver = GUID_NULL;
 345     if (version >= 0x0800)
 346       lpddi->dwDevType    = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 347     else
 348       lpddi->dwDevType    = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 349
 350     MultiByteToWideChar(CP_ACP, 0, joydevs[id].name, -1, lpddi->tszInstanceName, MAX_PATH);
 351     MultiByteToWideChar(CP_ACP, 0, joydevs[id].device, -1, lpddi->tszProductName, MAX_PATH);
 352     return TRUE;
 353   }
 354   return FALSE;
 355 }
 356
 357 static JoystickImpl *alloc_device(REFGUID rguid, const void *jvt, IDirectInputImpl *dinput, struct JoyDev *joydev)
 358 {
 359   JoystickImpl* newDevice;
 360   int i;
 361
 362   newDevice = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(JoystickImpl));
 363   if (newDevice==NULL) {
 364     return NULL;
 365   }
 366
 367   newDevice->base.lpVtbl = jvt;
 368   newDevice->base.ref = 1;
 369   memcpy(&newDevice->base.guid, rguid, sizeof(*rguid));
 370   InitializeCriticalSection(&newDevice->base.crit);
 371   newDevice->joyfd = -1;
 372   newDevice->dinput = dinput;
 373   newDevice->joydev = joydev;
 374 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 375   newDevice->ff_state = FF_STATUS_STOPPED;
 376 #endif
 377   for (i=0;i<ABS_MAX;i++) {
 378     /* apps expect the range to be the same they would get from the
 379      * GetProperty/range method */
 380     newDevice->wantmin[i] = newDevice->joydev->havemin[i];
 381     newDevice->wantmax[i] = newDevice->joydev->havemax[i];
 382     /* TODO:
 383      * direct input defines a default for the deadzone somewhere; but as long
 384      * as in map_axis the code for the dead zone is commented out its no
 385      * problem
 386      */
 387     newDevice->deadz[i]   =  0;
 388   }
 389   fake_current_js_state(newDevice);
 390
 391   /* wine uses DIJOYSTATE2 as it's internal format */
 392   newDevice->base.data_format.wine_df = &c_dfDIJoystick2;
 393
 394   /* create the default transform filter */
 395   if (create_DataFormat(&c_dfDIJoystick2, &c_dfDIJoystick2, &newDevice->base.data_format) == DI_OK)
 396     return newDevice;
 397
 398   HeapFree(GetProcessHeap(),0,newDevice);
 399   return NULL;
 400 }
 401
 402 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 403 {
 404   int i;
 405
 406   find_joydevs();
 407
 408   for (i=0; i<have_joydevs; i++) {
 409     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 410         IsEqualGUID(&joydevs[i].guid,rguid)
 411         ) {
 412       if ((riid == NULL) ||
 413           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 414           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 415           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 416           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 417         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
 418         TRACE("Creating a Joystick device (%p)\n", *pdev);
 419         if (*pdev==0) {
 420           ERR("out of memory\n");
 421           return DIERR_OUTOFMEMORY;
 422         }
 423         return DI_OK;
 424       } else {
 425         return DIERR_NOINTERFACE;
 426       }
 427     }
 428   }
 429
 430   return DIERR_DEVICENOTREG;
 431 }
 432
 433
 434 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 435 {
 436   int i;
 437
 438   find_joydevs();
 439
 440   for (i=0; i<have_joydevs; i++) {
 441     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 442         IsEqualGUID(&joydevs[i].guid,rguid)
 443         ) {
 444       if ((riid == NULL) ||
 445           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 446           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 447           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 448           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 449         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
 450         TRACE("Creating a Joystick device (%p)\n", *pdev);
 451         if (*pdev==0) {
 452           ERR("out of memory\n");
 453           return DIERR_OUTOFMEMORY;
 454         }
 455         return DI_OK;
 456       } else {
 457         return DIERR_NOINTERFACE;
 458       }
 459     }
 460   }
 461
 462   return DIERR_DEVICENOTREG;
 463 }
 464
 465 const struct dinput_device joystick_linuxinput_device = {
 466   "Wine Linux-input joystick driver",
 467   joydev_enum_deviceA,
 468   joydev_enum_deviceW,
 469   joydev_create_deviceA,
 470   joydev_create_deviceW
 471 };
 472
 473 /******************************************************************************
 474  *      Joystick
 475  */
 476 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 477 {
 478         JoystickImpl *This = (JoystickImpl *)iface;
 479         ULONG ref;
 480
 481         ref = InterlockedDecrement(&This->base.ref);
 482         if (ref)
 483                 return ref;
 484
 485         /* Reset the FF state, free all effects, etc */
 486         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 487
 488         /* Free the data queue */
 489         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
 490
 491         /* release the data transform filter */
 492         release_DataFormat(&This->base.data_format);
 493
 494         DeleteCriticalSection(&This->base.crit);
 495
 496         HeapFree(GetProcessHeap(),0,This);
 497         return 0;
 498 }
 499
 500 /******************************************************************************
 501   *     Acquire : gets exclusive control of the joystick
 502   */
 503 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 504 {
 505     JoystickImpl *This = (JoystickImpl *)iface;
 506     HRESULT res;
 507
 508     TRACE("(this=%p)\n",This);
 509
 510     res = IDirectInputDevice2AImpl_Acquire(iface);
 511     if (res==DI_OK) {
 512       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 513         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 514           /* Couldn't open the device at all */
 515           perror(This->joydev->device);
 516           IDirectInputDevice2AImpl_Unacquire(iface);
 517           return DIERR_NOTFOUND;
 518         } else {
 519           /* Couldn't open in r/w but opened in read-only. */
 520           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 521         }
 522       }
 523     }
 524
 525     return res;
 526 }
 527
 528 /******************************************************************************
 529   *     Unacquire : frees the joystick
 530   */
 531 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 532 {
 533     JoystickImpl *This = (JoystickImpl *)iface;
 534     HRESULT res;
 535
 536     TRACE("(this=%p)\n",This);
 537     res = IDirectInputDevice2AImpl_Unacquire(iface);
 538     if (res==DI_OK && This->joyfd!=-1) {
 539       close(This->joyfd);
 540       This->joyfd = -1;
 541     }
 542     return res;
 543 }
 544
 545 /*
 546  * This maps the read value (from the input event) to a value in the
 547  * 'wanted' range. It also autodetects the possible range of the axe and
 548  * adapts values accordingly.
 549  */
 550 static int
 551 map_axis(JoystickImpl* This, int axis, int val) {
 552     int xmin = This->joydev->axes[axis][AXE_ABSMIN];
 553     int xmax = This->joydev->axes[axis][AXE_ABSMAX];
 554     int hmax = This->joydev->havemax[axis];
 555     int hmin = This->joydev->havemin[axis];
 556     int wmin = This->wantmin[axis];
 557     int wmax = This->wantmax[axis];
 558     int ret;
 559
 560     if (val > hmax) This->joydev->havemax[axis] = hmax = val;
 561     if (val < hmin) This->joydev->havemin[axis] = hmin = val;
 562
 563     if (xmin == xmax) return val;
 564
 565     /* map the value from the hmin-hmax range into the wmin-wmax range */
 566     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 567
 568     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);
 569
 570 #if 0
 571     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 572     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 573         FIXME("%d in deadzone, return mid.\n",val);
 574         return (wmax-wmin)/2+wmin;
 575     }
 576 #endif
 577     return ret;
 578 }
 579
 580 /*
 581  * set the current state of the js device as it would be with the middle
 582  * values on the axes
 583  */
 584 static void fake_current_js_state(JoystickImpl *ji)
 585 {
 586         int i;
 587         /* center the axes */
 588         ji->js.lX           = test_bit(ji->joydev->absbits, ABS_X)        ? map_axis(ji, ABS_X,        ji->joydev->axes[ABS_X       ][AXE_ABS]) : 0;
 589         ji->js.lY           = test_bit(ji->joydev->absbits, ABS_Y)        ? map_axis(ji, ABS_Y,        ji->joydev->axes[ABS_Y       ][AXE_ABS]) : 0;
 590         ji->js.lZ           = test_bit(ji->joydev->absbits, ABS_Z)        ? map_axis(ji, ABS_Z,        ji->joydev->axes[ABS_Z       ][AXE_ABS]) : 0;
 591         ji->js.lRx          = test_bit(ji->joydev->absbits, ABS_RX)       ? map_axis(ji, ABS_RX,       ji->joydev->axes[ABS_RX      ][AXE_ABS]) : 0;
 592         ji->js.lRy          = test_bit(ji->joydev->absbits, ABS_RY)       ? map_axis(ji, ABS_RY,       ji->joydev->axes[ABS_RY      ][AXE_ABS]) : 0;
 593         ji->js.lRz          = test_bit(ji->joydev->absbits, ABS_RZ)       ? map_axis(ji, ABS_RZ,       ji->joydev->axes[ABS_RZ      ][AXE_ABS]) : 0;
 594         ji->js.rglSlider[0] = test_bit(ji->joydev->absbits, ABS_THROTTLE) ? map_axis(ji, ABS_THROTTLE, ji->joydev->axes[ABS_THROTTLE][AXE_ABS]) : 0;
 595         ji->js.rglSlider[1] = test_bit(ji->joydev->absbits, ABS_RUDDER)   ? map_axis(ji, ABS_RUDDER,   ji->joydev->axes[ABS_RUDDER  ][AXE_ABS]) : 0;
 596         /* POV center is -1 */
 597         for (i=0; i<4; i++) {
 598                 ji->js.rgdwPOV[i] = -1;
 599         }
 600 }
 601
 602 /*
 603  * Maps an event value to a DX "clock" position:
 604  *           0
 605  * 27000    -1 9000
 606  *       18000
 607  */
 608 static DWORD map_pov(int event_value, int is_x)
 609 {
 610         DWORD ret = -1;
 611         if (is_x) {
 612                 if (event_value<0) {
 613                         ret = 27000;
 614                 } else if (event_value>0) {
 615                         ret = 9000;
 616                 }
 617         } else {
 618                 if (event_value<0) {
 619                         ret = 0;
 620                 } else if (event_value>0) {
 621                         ret = 18000;
 622                 }
 623         }
 624         return ret;
 625 }
 626
 627 /* defines how the linux input system offset mappings into c_dfDIJoystick2 */
 628 static int
 629 lxinput_to_user_offset(JoystickImpl *This, int ie_type, int ie_code )
 630 {
 631   int offset = -1;
 632   switch (ie_type) {
 633     case EV_ABS:
 634       switch (ie_code) {
 635         case ABS_X:                     offset = 0; break;
 636         case ABS_Y:                     offset = 1; break;
 637         case ABS_Z:                     offset = 2; break;
 638         case ABS_RX:                    offset = 3; break;
 639         case ABS_RY:                    offset = 4; break;
 640         case ABS_RZ:                    offset = 5; break;
 641         case ABS_THROTTLE:              offset = 6; break;
 642         case ABS_RUDDER:                offset = 7; break;
 643         case ABS_HAT0X: case ABS_HAT0Y: offset = 8; break;
 644         case ABS_HAT1X: case ABS_HAT1Y: offset = 9; break;
 645         case ABS_HAT2X: case ABS_HAT2Y: offset = 10; break;
 646         case ABS_HAT3X: case ABS_HAT3Y: offset = 11; break;
 647         /* XXX when adding new axes here also fix the offset for the buttons bellow */
 648         default:
 649           FIXME("Unhandled EV_ABS(0x%02X)\n", ie_code);
 650           return -1;
 651       }
 652       break;
 653     case EV_KEY:
 654       if (ie_code >= 128) {
 655         WARN("DX8 does not support more than 128 buttons\n");
 656         return -1;
 657       }
 658       offset = 12 + ie_code; /* XXX */
 659       break;
 660     default:
 661       FIXME("Unhandled type(0x%02X)\n", ie_type);
 662       return -1;
 663   }
 664   return This->base.data_format.offsets[offset];
 665 }
 666
 667 /* convert wine format offset to user format object index */
 668 static void joy_polldev(JoystickImpl *This) {
 669     struct pollfd plfd;
 670     struct      input_event ie;
 671     int         btn, offset;
 672
 673     if (This->joyfd==-1)
 674         return;
 675
 676     while (1) {
 677         plfd.fd = This->joyfd;
 678         plfd.events = POLLIN;
 679
 680         if (poll(&plfd,1,0) != 1)
 681             return;
 682
 683         /* we have one event, so we can read */
 684         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 685             return;
 686
 687         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 688         switch (ie.type) {
 689         case EV_KEY:    /* button */
 690             btn = This->joydev->buttons[ie.code];
 691             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 692             if (btn&0x80) {
 693               btn &= 0x7F;
 694               if ((offset = lxinput_to_user_offset(This, ie.type, btn)) == -1) {
 695                 return;
 696               }
 697               This->js.rgbButtons[btn] = ie.value?0x80:0x00;
 698               queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgbButtons[btn],
 699                           ie.time.tv_usec, This->dinput->evsequence++);
 700             }
 701             break;
 702         case EV_ABS:
 703             if ((offset = lxinput_to_user_offset(This, ie.type, ie.code)) == -1) {
 704               return;
 705             }
 706             switch (ie.code) {
 707             case ABS_X:
 708                 This->js.lX = map_axis(This,ABS_X,ie.value);
 709                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lX,
 710                             ie.time.tv_usec, This->dinput->evsequence++);
 711                 break;
 712             case ABS_Y:
 713                 This->js.lY = map_axis(This,ABS_Y,ie.value);
 714                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lY,
 715                             ie.time.tv_usec, This->dinput->evsequence++);
 716                 break;
 717             case ABS_Z:
 718                 This->js.lZ = map_axis(This,ABS_Z,ie.value);
 719                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lZ,
 720                             ie.time.tv_usec, This->dinput->evsequence++);
 721                 break;
 722             case ABS_RX:
 723                 This->js.lRx = map_axis(This,ABS_RX,ie.value);
 724                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRx,
 725                             ie.time.tv_usec, This->dinput->evsequence++);
 726                 break;
 727             case ABS_RY:
 728                 This->js.lRy = map_axis(This,ABS_RY,ie.value);
 729                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRy,
 730                             ie.time.tv_usec, This->dinput->evsequence++);
 731                 break;
 732             case ABS_RZ:
 733                 This->js.lRz = map_axis(This,ABS_RZ,ie.value);
 734                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRz,
 735                             ie.time.tv_usec, This->dinput->evsequence++);
 736                 break;
 737             case ABS_THROTTLE:
 738                 This->js.rglSlider[0] = map_axis(This,ABS_THROTTLE,ie.value);
 739                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rglSlider[0],
 740                             ie.time.tv_usec, This->dinput->evsequence++);
 741                 break;
 742             case ABS_RUDDER:
 743                 This->js.rglSlider[1] = map_axis(This,ABS_RUDDER,ie.value);
 744                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rglSlider[1],
 745                             ie.time.tv_usec, This->dinput->evsequence++);
 746                 break;
 747             case ABS_HAT0X:
 748             case ABS_HAT0Y:
 749                 This->js.rgdwPOV[0] = map_pov(ie.value,ie.code==ABS_HAT0X);
 750                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[0],
 751                             ie.time.tv_usec, This->dinput->evsequence++);
 752                 break;
 753             case ABS_HAT1X:
 754             case ABS_HAT1Y:
 755                 This->js.rgdwPOV[1] = map_pov(ie.value,ie.code==ABS_HAT1X);
 756                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[1],
 757                             ie.time.tv_usec, This->dinput->evsequence++);
 758                 break;
 759             case ABS_HAT2X:
 760             case ABS_HAT2Y:
 761                 This->js.rgdwPOV[2] = map_pov(ie.value,ie.code==ABS_HAT2X);
 762                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[2],
 763                             ie.time.tv_usec, This->dinput->evsequence++);
 764                 break;
 765             case ABS_HAT3X:
 766             case ABS_HAT3Y:
 767                 This->js.rgdwPOV[3] = map_pov(ie.value,ie.code==ABS_HAT3X);
 768                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[3],
 769                             ie.time.tv_usec, This->dinput->evsequence++);
 770                 break;
 771             default:
 772                 FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
 773                 break;
 774             }
 775             break;
 776 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 777         case EV_FF_STATUS:
 778             This->ff_state = ie.value;
 779             break;
 780 #endif
 781 #ifdef EV_SYN
 782         case EV_SYN:
 783             /* there is nothing to do */
 784             break;
 785 #endif
 786         default:
 787             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 788             break;
 789         }
 790     }
 791 }
 792
 793 /******************************************************************************
 794   *     GetDeviceState : returns the "state" of the joystick.
 795   *
 796   */
 797 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 798         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 799 ) {
 800     JoystickImpl *This = (JoystickImpl *)iface;
 801
 802     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 803
 804     if (This->joyfd==-1) {
 805         WARN("not acquired\n");
 806         return DIERR_NOTACQUIRED;
 807     }
 808
 809     joy_polldev(This);
 810
 811     /* convert and copy data to user supplied buffer */
 812     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 813
 814     return DI_OK;
 815 }
 816
 817 /******************************************************************************
 818   *     SetProperty : change input device properties
 819   */
 820 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 821                                             REFGUID rguid,
 822                                             LPCDIPROPHEADER ph)
 823 {
 824   JoystickImpl *This = (JoystickImpl *)iface;
 825
 826   if (!ph) {
 827     WARN("invalid argument\n");
 828     return DIERR_INVALIDPARAM;
 829   }
 830
 831   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 832   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 833         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 834
 835   if (!HIWORD(rguid)) {
 836     switch (LOWORD(rguid)) {
 837     case (DWORD)DIPROP_RANGE: {
 838       LPCDIPROPRANGE    pr = (LPCDIPROPRANGE)ph;
 839
 840       if (ph->dwHow == DIPH_DEVICE) {
 841         int i;
 842         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 843         for (i = 0; i < This->base.data_format.user_df->dwNumObjs; i++) {
 844           This->wantmin[i] = pr->lMin;
 845           This->wantmax[i] = pr->lMax;
 846         }
 847       } else {
 848         int obj = find_property(This->base.data_format.user_df, ph);
 849         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 850         if (obj >= 0) {
 851           This->wantmin[obj] = pr->lMin;
 852           This->wantmax[obj] = pr->lMax;
 853         }
 854       }
 855       fake_current_js_state(This);
 856       break;
 857     }
 858     case (DWORD)DIPROP_DEADZONE: {
 859       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 860       if (ph->dwHow == DIPH_DEVICE) {
 861         int i;
 862         TRACE("deadzone(%d) all\n", pd->dwData);
 863         for (i = 0; i < This->base.data_format.user_df->dwNumObjs; i++) {
 864           This->deadz[i] = pd->dwData;
 865         }
 866       } else {
 867         int obj = find_property(This->base.data_format.user_df, ph);
 868         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 869         if (obj >= 0) {
 870           This->deadz[obj] = pd->dwData;
 871         }
 872       }
 873       fake_current_js_state(This);
 874       break;
 875     }
 876     case (DWORD)DIPROP_CALIBRATIONMODE: {
 877       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 878       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 879       break;
 880     }
 881     default:
 882       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 883     }
 884   }
 885   return DI_OK;
 886 }
 887
 888 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 889         LPDIRECTINPUTDEVICE8A iface,
 890         LPDIDEVCAPS lpDIDevCaps)
 891 {
 892     JoystickImpl *This = (JoystickImpl *)iface;
 893     int         i,axes,buttons,povs;
 894
 895     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 896
 897     if (!lpDIDevCaps) {
 898         WARN("invalid pointer\n");
 899         return E_POINTER;
 900     }
 901
 902     if (lpDIDevCaps->dwSize < sizeof(DIDEVCAPS)) {
 903         WARN("invalid argument\n");
 904         return DIERR_INVALIDPARAM;
 905     }
 906
 907     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 908     if (This->dinput->dwVersion >= 0x0800)
 909         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 910     else
 911         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 912
 913     axes=0;
 914     for (i=0;i<ABS_MAX;i++) {
 915       if (!test_bit(This->joydev->absbits,i)) continue;
 916       switch (i) {
 917       case ABS_HAT0X: case ABS_HAT0Y:
 918       case ABS_HAT1X: case ABS_HAT1Y:
 919       case ABS_HAT2X: case ABS_HAT2Y:
 920       case ABS_HAT3X: case ABS_HAT3Y:
 921         /* will be handled as POV - see below */
 922         break;
 923       default:
 924         axes++;
 925       }
 926     }
 927     buttons=0;
 928     for (i=0;i<KEY_MAX;i++) if (test_bit(This->joydev->keybits,i)) buttons++;
 929     povs=0;
 930     for (i=0; i<4; i++) {
 931       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
 932         povs ++;
 933       }
 934     }
 935
 936     if (This->joydev->has_ff)
 937          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 938
 939     lpDIDevCaps->dwAxes = axes;
 940     lpDIDevCaps->dwButtons = buttons;
 941     lpDIDevCaps->dwPOVs = povs;
 942
 943     return DI_OK;
 944 }
 945
 946 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 947     JoystickImpl *This = (JoystickImpl *)iface;
 948     TRACE("(%p)\n",This);
 949
 950     if (This->joyfd==-1) {
 951       return DIERR_NOTACQUIRED;
 952     }
 953
 954     joy_polldev(This);
 955     return DI_OK;
 956 }
 957
 958 /******************************************************************************
 959   *     EnumObjects : enumerate the different buttons and axis...
 960   */
 961 static HRESULT WINAPI JoystickAImpl_EnumObjects(
 962         LPDIRECTINPUTDEVICE8A iface,
 963         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
 964         LPVOID lpvRef,
 965         DWORD dwFlags)
 966 {
 967   JoystickImpl *This = (JoystickImpl *)iface;
 968   DIDEVICEOBJECTINSTANCEA ddoi;
 969   int user_offset, user_object;
 970
 971   TRACE("(this=%p,%p,%p,%08x)\n", This, lpCallback, lpvRef, dwFlags);
 972   if (TRACE_ON(dinput)) {
 973     TRACE("  - flags = ");
 974     _dump_EnumObjects_flags(dwFlags);
 975     TRACE("\n");
 976   }
 977
 978   /* Only the fields till dwFFMaxForce are relevant */
 979   ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
 980
 981   /* For the joystick, do as is done in the GetCapabilities function */
 982   /* FIXME: needs more items */
 983   if ((dwFlags == DIDFT_ALL) ||
 984       (dwFlags & DIDFT_AXIS)) {
 985     BYTE i;
 986
 987     for (i = 0; i < ABS_MAX; i++) {
 988       if (!test_bit(This->joydev->absbits,i)) continue;
 989
 990       switch (i) {
 991       case ABS_X:
 992         ddoi.guidType = GUID_XAxis;
 993         break;
 994       case ABS_Y:
 995         ddoi.guidType = GUID_YAxis;
 996         break;
 997       case ABS_Z:
 998         ddoi.guidType = GUID_ZAxis;
 999         break;
1000       case ABS_RX:
1001         ddoi.guidType = GUID_RxAxis;
1002         break;
1003       case ABS_RY:
1004         ddoi.guidType = GUID_RyAxis;
1005         break;
1006       case ABS_RZ:
1007         ddoi.guidType = GUID_RzAxis;
1008         break;
1009       case ABS_THROTTLE:
1010       case ABS_RUDDER:
1011         ddoi.guidType = GUID_Slider;
1012         break;
1013       case ABS_HAT0X: case ABS_HAT0Y:
1014       case ABS_HAT1X: case ABS_HAT1Y:
1015       case ABS_HAT2X: case ABS_HAT2Y:
1016       case ABS_HAT3X: case ABS_HAT3Y:
1017         /* will be handled as POV - see below */
1018         continue;
1019       default:
1020         FIXME("unhandled abs axis 0x%02x, ignoring!\n",i);
1021         continue;
1022       }
1023       if ((user_offset = lxinput_to_user_offset(This, EV_ABS, i)) == -1) {
1024         continue;
1025       }
1026       user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1027       ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1028       ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1029       /* Linux event force feedback supports only (and always) x and y axes */
1030       if (i == ABS_X || i == ABS_Y) {
1031         if (This->joydev->has_ff)
1032           ddoi.dwFlags |= DIDOI_FFACTUATOR;
1033       }
1034       sprintf(ddoi.tszName, "%d-Axis", i);
1035       _dump_OBJECTINSTANCEA(&ddoi);
1036       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1037         return DI_OK;
1038       }
1039     }
1040   }
1041
1042   if ((dwFlags == DIDFT_ALL) ||
1043       (dwFlags & DIDFT_POV)) {
1044     int i;
1045     ddoi.guidType = GUID_POV;
1046     for (i=0; i<4; i++) {
1047       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
1048         if ((user_offset = lxinput_to_user_offset(This, EV_ABS, ABS_HAT0X+i))== -1) {
1049           continue;
1050         }
1051         user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1052         ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1053         ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1054         sprintf(ddoi.tszName, "%d-POV", i);
1055         _dump_OBJECTINSTANCEA(&ddoi);
1056         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1057           return DI_OK;
1058         }
1059       }
1060     }
1061   }
1062
1063   if ((dwFlags == DIDFT_ALL) ||
1064       (dwFlags & DIDFT_BUTTON)) {
1065     int i, btncount=0;
1066
1067     /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/
1068
1069     ddoi.guidType = GUID_Button;
1070
1071     for (i = 0; i < KEY_MAX; i++) {
1072       if (!test_bit(This->joydev->keybits,i)) continue;
1073       if ((user_offset = lxinput_to_user_offset(This, EV_KEY, btncount)) == -1) {
1074         continue;
1075       }
1076       user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1077       ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1078       ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1079       sprintf(ddoi.tszName, "%d-Button", btncount);
1080       btncount++;
1081       _dump_OBJECTINSTANCEA(&ddoi);
1082       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1083         return DI_OK;
1084       }
1085     }
1086   }
1087
1088   return DI_OK;
1089 }
1090
1091 static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
1092                                                 LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
1093                                                 LPVOID lpvRef,
1094                                                 DWORD dwFlags)
1095 {
1096   JoystickImpl *This = (JoystickImpl *)iface;
1097
1098   device_enumobjects_AtoWcb_data data;
1099
1100   data.lpCallBack = lpCallback;
1101   data.lpvRef = lpvRef;
1102
1103   return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
1104 }
1105
1106 /******************************************************************************
1107   *     GetProperty : get input device properties
1108   */
1109 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1110                                                 REFGUID rguid,
1111                                                 LPDIPROPHEADER pdiph)
1112 {
1113   JoystickImpl *This = (JoystickImpl *)iface;
1114
1115   TRACE("(this=%p,%s,%p)\n",
1116         iface, debugstr_guid(rguid), pdiph);
1117
1118   if (TRACE_ON(dinput))
1119     _dump_DIPROPHEADER(pdiph);
1120
1121   if (!HIWORD(rguid)) {
1122     switch (LOWORD(rguid)) {
1123     case (DWORD) DIPROP_RANGE: {
1124       LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
1125       int obj = find_property(This->base.data_format.user_df, pdiph);
1126       if (obj >= 0) {
1127         pr->lMin = This->joydev->havemin[obj];
1128         pr->lMax = This->joydev->havemax[obj];
1129         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
1130       }
1131       break;
1132     }
1133
1134     default:
1135       return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
1136     }
1137   }
1138
1139
1140   return DI_OK;
1141 }
1142
1143 /******************************************************************************
1144   *     CreateEffect - Create a new FF effect with the specified params
1145   */
1146 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1147                                                  REFGUID rguid,
1148                                                  LPCDIEFFECT lpeff,
1149                                                  LPDIRECTINPUTEFFECT *ppdef,
1150                                                  LPUNKNOWN pUnkOuter)
1151 {
1152 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1153     EffectListItem* new = NULL;
1154     HRESULT retval = DI_OK;
1155 #endif
1156
1157     JoystickImpl* This = (JoystickImpl*)iface;
1158     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1159
1160 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1161     TRACE("not available (compiled w/o ff support)\n");
1162     *ppdef = NULL;
1163     return DI_OK;
1164 #else
1165
1166     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1167     new->next = This->top_effect;
1168     This->top_effect = new;
1169
1170     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1171     if (retval != DI_OK)
1172         return retval;
1173
1174     if (lpeff != NULL)
1175         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1176     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1177         return retval;
1178
1179     *ppdef = new->ref;
1180
1181     if (pUnkOuter != NULL)
1182         FIXME("Interface aggregation not implemented.\n");
1183
1184     return DI_OK;
1185
1186 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1187 }
1188
1189 /*******************************************************************************
1190  *      EnumEffects - Enumerate available FF effects
1191  */
1192 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1193                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1194                                                 LPVOID pvRef,
1195                                                 DWORD dwEffType)
1196 {
1197 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1198     DIEFFECTINFOA dei; /* feif */
1199     DWORD type = DIEFT_GETTYPE(dwEffType);
1200     JoystickImpl* This = (JoystickImpl*)iface;
1201
1202     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1203
1204     dei.dwSize = sizeof(DIEFFECTINFOA);
1205
1206     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1207         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1208         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1209         (*lpCallback)(&dei, pvRef);
1210     }
1211
1212     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1213         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1214         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1215             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1216             (*lpCallback)(&dei, pvRef);
1217         }
1218         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1219             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1220             (*lpCallback)(&dei, pvRef);
1221         }
1222         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1223             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1224             (*lpCallback)(&dei, pvRef);
1225         }
1226         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1227             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1228             (*lpCallback)(&dei, pvRef);
1229         }
1230         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1231             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1232             (*lpCallback)(&dei, pvRef);
1233         }
1234     }
1235
1236     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1237         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1238         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1239         (*lpCallback)(&dei, pvRef);
1240     }
1241
1242     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1243         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1244             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1245             (*lpCallback)(&dei, pvRef);
1246         }
1247         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1248             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1249             (*lpCallback)(&dei, pvRef);
1250         }
1251         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1252             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1253             (*lpCallback)(&dei, pvRef);
1254         }
1255         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1256             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1257             (*lpCallback)(&dei, pvRef);
1258         }
1259     }
1260
1261 #endif
1262
1263     return DI_OK;
1264 }
1265
1266 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1267                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1268                                                 LPVOID pvRef,
1269                                                 DWORD dwEffType)
1270 {
1271 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1272     /* seems silly to duplicate all this code but all the structures and functions
1273      * are actually different (A/W) */
1274     DIEFFECTINFOW dei; /* feif */
1275     DWORD type = DIEFT_GETTYPE(dwEffType);
1276     JoystickImpl* This = (JoystickImpl*)iface;
1277     int xfd = This->joyfd;
1278
1279     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1280
1281     dei.dwSize = sizeof(DIEFFECTINFOW);
1282
1283     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1284         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1285         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1286         (*lpCallback)(&dei, pvRef);
1287     }
1288
1289     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1290         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1291         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1292             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1293             (*lpCallback)(&dei, pvRef);
1294         }
1295         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1296             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1297             (*lpCallback)(&dei, pvRef);
1298         }
1299         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1300             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1301             (*lpCallback)(&dei, pvRef);
1302         }
1303         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1304             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1305             (*lpCallback)(&dei, pvRef);
1306         }
1307         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1308             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1309             (*lpCallback)(&dei, pvRef);
1310         }
1311     }
1312
1313     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1314         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1315         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1316         (*lpCallback)(&dei, pvRef);
1317     }
1318
1319     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1320         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1321             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1322             (*lpCallback)(&dei, pvRef);
1323         }
1324         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1325             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1326             (*lpCallback)(&dei, pvRef);
1327         }
1328         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1329             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1330             (*lpCallback)(&dei, pvRef);
1331         }
1332         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1333             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1334             (*lpCallback)(&dei, pvRef);
1335         }
1336     }
1337
1338     /* return to unacquired state if that's where it was */
1339     if (xfd == -1)
1340         IDirectInputDevice8_Unacquire(iface);
1341 #endif
1342
1343     return DI_OK;
1344 }
1345
1346 /*******************************************************************************
1347  *      GetEffectInfo - Get information about a particular effect
1348  */
1349 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1350                                                   LPDIEFFECTINFOA pdei,
1351                                                   REFGUID guid)
1352 {
1353     JoystickImpl* This = (JoystickImpl*)iface;
1354
1355     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1356
1357 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1358     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1359 #else
1360     return DI_OK;
1361 #endif
1362 }
1363
1364 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1365                                                   LPDIEFFECTINFOW pdei,
1366                                                   REFGUID guid)
1367 {
1368     JoystickImpl* This = (JoystickImpl*)iface;
1369
1370     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1371
1372 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1373     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1374 #else
1375     return DI_OK;
1376 #endif
1377 }
1378
1379 /*******************************************************************************
1380  *      GetForceFeedbackState - Get information about the device's FF state
1381  */
1382 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1383         LPDIRECTINPUTDEVICE8A iface,
1384         LPDWORD pdwOut)
1385 {
1386     JoystickImpl* This = (JoystickImpl*)iface;
1387
1388     TRACE("(this=%p,%p)\n", This, pdwOut);
1389
1390     (*pdwOut) = 0;
1391
1392 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1393     /* DIGFFS_STOPPED is the only mandatory flag to report */
1394     if (This->ff_state == FF_STATUS_STOPPED)
1395         (*pdwOut) |= DIGFFS_STOPPED;
1396 #endif
1397
1398     return DI_OK;
1399 }
1400
1401 /*******************************************************************************
1402  *      SendForceFeedbackCommand - Send a command to the device's FF system
1403  */
1404 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1405         LPDIRECTINPUTDEVICE8A iface,
1406         DWORD dwFlags)
1407 {
1408     JoystickImpl* This = (JoystickImpl*)iface;
1409     TRACE("(this=%p,%d)\n", This, dwFlags);
1410
1411 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1412     if (dwFlags == DISFFC_STOPALL) {
1413         /* Stop all effects */
1414         EffectListItem* itr = This->top_effect;
1415         while (itr) {
1416             IDirectInputEffect_Stop(itr->ref);
1417             itr = itr->next;
1418         }
1419     } else if (dwFlags == DISFFC_RESET) {
1420         /* Stop, unload, release and free all effects */
1421         /* This returns the device to its "bare" state */
1422         while (This->top_effect) {
1423             EffectListItem* temp = This->top_effect;
1424             IDirectInputEffect_Stop(temp->ref);
1425             IDirectInputEffect_Unload(temp->ref);
1426             IDirectInputEffect_Release(temp->ref);
1427             This->top_effect = temp->next;
1428             HeapFree(GetProcessHeap(), 0, temp);
1429         }
1430     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1431         FIXME("No support for Pause or Continue in linux\n");
1432     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1433                 || dwFlags == DISFFC_SETACTUATORSON) {
1434         FIXME("No direct actuator control in linux\n");
1435     } else {
1436         FIXME("Unknown Force Feedback Command!\n");
1437         return DIERR_INVALIDPARAM;
1438     }
1439     return DI_OK;
1440 #else
1441     return DIERR_UNSUPPORTED;
1442 #endif
1443 }
1444
1445 /*******************************************************************************
1446  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1447  *              created for this device.
1448  */
1449 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1450         LPDIRECTINPUTDEVICE8A iface,
1451         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1452         LPVOID pvRef,
1453         DWORD dwFlags)
1454 {
1455     /* this function is safe to call on non-ff-enabled builds */
1456
1457     JoystickImpl* This = (JoystickImpl*)iface;
1458     EffectListItem* itr = This->top_effect;
1459     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1460
1461     if (!lpCallback)
1462         return DIERR_INVALIDPARAM;
1463
1464     if (dwFlags != 0)
1465         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1466
1467     while (itr) {
1468         (*lpCallback)(itr->ref, pvRef);
1469         itr = itr->next;
1470     }
1471
1472     return DI_OK;
1473 }
1474
1475 static const IDirectInputDevice8AVtbl JoystickAvt =
1476 {
1477         IDirectInputDevice2AImpl_QueryInterface,
1478         IDirectInputDevice2AImpl_AddRef,
1479         JoystickAImpl_Release,
1480         JoystickAImpl_GetCapabilities,
1481         JoystickAImpl_EnumObjects,
1482         JoystickAImpl_GetProperty,
1483         JoystickAImpl_SetProperty,
1484         JoystickAImpl_Acquire,
1485         JoystickAImpl_Unacquire,
1486         JoystickAImpl_GetDeviceState,
1487         IDirectInputDevice2AImpl_GetDeviceData,
1488         IDirectInputDevice2AImpl_SetDataFormat,
1489         IDirectInputDevice2AImpl_SetEventNotification,
1490         IDirectInputDevice2AImpl_SetCooperativeLevel,
1491         IDirectInputDevice2AImpl_GetObjectInfo,
1492         IDirectInputDevice2AImpl_GetDeviceInfo,
1493         IDirectInputDevice2AImpl_RunControlPanel,
1494         IDirectInputDevice2AImpl_Initialize,
1495         JoystickAImpl_CreateEffect,
1496         JoystickAImpl_EnumEffects,
1497         JoystickAImpl_GetEffectInfo,
1498         JoystickAImpl_GetForceFeedbackState,
1499         JoystickAImpl_SendForceFeedbackCommand,
1500         JoystickAImpl_EnumCreatedEffectObjects,
1501         IDirectInputDevice2AImpl_Escape,
1502         JoystickAImpl_Poll,
1503         IDirectInputDevice2AImpl_SendDeviceData,
1504         IDirectInputDevice7AImpl_EnumEffectsInFile,
1505         IDirectInputDevice7AImpl_WriteEffectToFile,
1506         IDirectInputDevice8AImpl_BuildActionMap,
1507         IDirectInputDevice8AImpl_SetActionMap,
1508         IDirectInputDevice8AImpl_GetImageInfo
1509 };
1510
1511 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1512 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1513 #else
1514 # define XCAST(fun)     (void*)
1515 #endif
1516
1517 static const IDirectInputDevice8WVtbl JoystickWvt =
1518 {
1519         IDirectInputDevice2WImpl_QueryInterface,
1520         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1521         XCAST(Release)JoystickAImpl_Release,
1522         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1523         JoystickWImpl_EnumObjects,
1524         XCAST(GetProperty)JoystickAImpl_GetProperty,
1525         XCAST(SetProperty)JoystickAImpl_SetProperty,
1526         XCAST(Acquire)JoystickAImpl_Acquire,
1527         XCAST(Unacquire)JoystickAImpl_Unacquire,
1528         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1529         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1530         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1531         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1532         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1533         IDirectInputDevice2WImpl_GetObjectInfo,
1534         IDirectInputDevice2WImpl_GetDeviceInfo,
1535         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1536         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1537         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1538         JoystickWImpl_EnumEffects,
1539         JoystickWImpl_GetEffectInfo,
1540         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1541         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1542         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1543         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1544         XCAST(Poll)JoystickAImpl_Poll,
1545         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1546         IDirectInputDevice7WImpl_EnumEffectsInFile,
1547         IDirectInputDevice7WImpl_WriteEffectToFile,
1548         IDirectInputDevice8WImpl_BuildActionMap,
1549         IDirectInputDevice8WImpl_SetActionMap,
1550         IDirectInputDevice8WImpl_GetImageInfo
1551 };
1552 #undef XCAST
1553
1554 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1555
1556 const struct dinput_device joystick_linuxinput_device = {
1557   "Wine Linux-input joystick driver",
1558   NULL,
1559   NULL,
1560   NULL,
1561   NULL
1562 };
1563
1564 #endif  /* HAVE_CORRECT_LINUXINPUT_H */