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, &newDevice->base.data_format) == DI_OK)
 396   {
 397     IDirectInput_AddRef((LPDIRECTINPUTDEVICE8A)newDevice->dinput);
 398     return newDevice;
 399   }
 400
 401   HeapFree(GetProcessHeap(),0,newDevice);
 402   return NULL;
 403 }
 404
 405 static HRESULT joydev_create_deviceA(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEA* pdev)
 406 {
 407   int i;
 408
 409   find_joydevs();
 410
 411   for (i=0; i<have_joydevs; i++) {
 412     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 413         IsEqualGUID(&joydevs[i].guid,rguid)
 414         ) {
 415       if ((riid == NULL) ||
 416           IsEqualGUID(&IID_IDirectInputDeviceA,riid) ||
 417           IsEqualGUID(&IID_IDirectInputDevice2A,riid) ||
 418           IsEqualGUID(&IID_IDirectInputDevice7A,riid) ||
 419           IsEqualGUID(&IID_IDirectInputDevice8A,riid)) {
 420         *pdev = (IDirectInputDeviceA*) alloc_device(rguid, &JoystickAvt, dinput, &joydevs[i]);
 421         TRACE("Creating a Joystick device (%p)\n", *pdev);
 422         if (*pdev==0) {
 423           ERR("out of memory\n");
 424           return DIERR_OUTOFMEMORY;
 425         }
 426         return DI_OK;
 427       } else {
 428         return DIERR_NOINTERFACE;
 429       }
 430     }
 431   }
 432
 433   return DIERR_DEVICENOTREG;
 434 }
 435
 436
 437 static HRESULT joydev_create_deviceW(IDirectInputImpl *dinput, REFGUID rguid, REFIID riid, LPDIRECTINPUTDEVICEW* pdev)
 438 {
 439   int i;
 440
 441   find_joydevs();
 442
 443   for (i=0; i<have_joydevs; i++) {
 444     if (IsEqualGUID(&GUID_Joystick,rguid) ||
 445         IsEqualGUID(&joydevs[i].guid,rguid)
 446         ) {
 447       if ((riid == NULL) ||
 448           IsEqualGUID(&IID_IDirectInputDeviceW,riid) ||
 449           IsEqualGUID(&IID_IDirectInputDevice2W,riid) ||
 450           IsEqualGUID(&IID_IDirectInputDevice7W,riid) ||
 451           IsEqualGUID(&IID_IDirectInputDevice8W,riid)) {
 452         *pdev = (IDirectInputDeviceW*) alloc_device(rguid, &JoystickWvt, dinput, &joydevs[i]);
 453         TRACE("Creating a Joystick device (%p)\n", *pdev);
 454         if (*pdev==0) {
 455           ERR("out of memory\n");
 456           return DIERR_OUTOFMEMORY;
 457         }
 458         return DI_OK;
 459       } else {
 460         return DIERR_NOINTERFACE;
 461       }
 462     }
 463   }
 464
 465   return DIERR_DEVICENOTREG;
 466 }
 467
 468 const struct dinput_device joystick_linuxinput_device = {
 469   "Wine Linux-input joystick driver",
 470   joydev_enum_deviceA,
 471   joydev_enum_deviceW,
 472   joydev_create_deviceA,
 473   joydev_create_deviceW
 474 };
 475
 476 /******************************************************************************
 477  *      Joystick
 478  */
 479 static ULONG WINAPI JoystickAImpl_Release(LPDIRECTINPUTDEVICE8A iface)
 480 {
 481         JoystickImpl *This = (JoystickImpl *)iface;
 482         ULONG ref;
 483
 484         ref = InterlockedDecrement(&This->base.ref);
 485         if (ref)
 486                 return ref;
 487
 488         /* Reset the FF state, free all effects, etc */
 489         IDirectInputDevice8_SendForceFeedbackCommand(iface, DISFFC_RESET);
 490
 491         /* Free the data queue */
 492         HeapFree(GetProcessHeap(), 0, This->base.data_queue);
 493
 494         /* release the data transform filter */
 495         release_DataFormat(&This->base.data_format);
 496
 497         IDirectInput_Release((LPDIRECTINPUTDEVICE8A)This->dinput);
 498         DeleteCriticalSection(&This->base.crit);
 499
 500         HeapFree(GetProcessHeap(),0,This);
 501         return 0;
 502 }
 503
 504 /******************************************************************************
 505   *     Acquire : gets exclusive control of the joystick
 506   */
 507 static HRESULT WINAPI JoystickAImpl_Acquire(LPDIRECTINPUTDEVICE8A iface)
 508 {
 509     JoystickImpl *This = (JoystickImpl *)iface;
 510     HRESULT res;
 511
 512     TRACE("(this=%p)\n",This);
 513
 514     res = IDirectInputDevice2AImpl_Acquire(iface);
 515     if (res==DI_OK) {
 516       if (-1==(This->joyfd=open(This->joydev->device,O_RDWR))) {
 517         if (-1==(This->joyfd=open(This->joydev->device,O_RDONLY))) {
 518           /* Couldn't open the device at all */
 519           perror(This->joydev->device);
 520           IDirectInputDevice2AImpl_Unacquire(iface);
 521           return DIERR_NOTFOUND;
 522         } else {
 523           /* Couldn't open in r/w but opened in read-only. */
 524           WARN("Could not open %s in read-write mode.  Force feedback will be disabled.\n", This->joydev->device);
 525         }
 526       }
 527     }
 528
 529     return res;
 530 }
 531
 532 /******************************************************************************
 533   *     Unacquire : frees the joystick
 534   */
 535 static HRESULT WINAPI JoystickAImpl_Unacquire(LPDIRECTINPUTDEVICE8A iface)
 536 {
 537     JoystickImpl *This = (JoystickImpl *)iface;
 538     HRESULT res;
 539
 540     TRACE("(this=%p)\n",This);
 541     res = IDirectInputDevice2AImpl_Unacquire(iface);
 542     if (res==DI_OK && This->joyfd!=-1) {
 543       close(This->joyfd);
 544       This->joyfd = -1;
 545     }
 546     return res;
 547 }
 548
 549 /*
 550  * This maps the read value (from the input event) to a value in the
 551  * 'wanted' range. It also autodetects the possible range of the axe and
 552  * adapts values accordingly.
 553  */
 554 static int
 555 map_axis(JoystickImpl* This, int axis, int val) {
 556     int xmin = This->joydev->axes[axis][AXE_ABSMIN];
 557     int xmax = This->joydev->axes[axis][AXE_ABSMAX];
 558     int hmax = This->joydev->havemax[axis];
 559     int hmin = This->joydev->havemin[axis];
 560     int wmin = This->wantmin[axis];
 561     int wmax = This->wantmax[axis];
 562     int ret;
 563
 564     if (val > hmax) This->joydev->havemax[axis] = hmax = val;
 565     if (val < hmin) This->joydev->havemin[axis] = hmin = val;
 566
 567     if (xmin == xmax) return val;
 568
 569     /* map the value from the hmin-hmax range into the wmin-wmax range */
 570     ret = MulDiv( val - hmin, wmax - wmin, hmax - hmin ) + wmin;
 571
 572     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);
 573
 574 #if 0
 575     /* deadzone doesn't work comfortably enough right now. needs more testing*/
 576     if ((ret > -deadz/2 ) && (ret < deadz/2)) {
 577         FIXME("%d in deadzone, return mid.\n",val);
 578         return (wmax-wmin)/2+wmin;
 579     }
 580 #endif
 581     return ret;
 582 }
 583
 584 /*
 585  * set the current state of the js device as it would be with the middle
 586  * values on the axes
 587  */
 588 static void fake_current_js_state(JoystickImpl *ji)
 589 {
 590         int i;
 591         /* center the axes */
 592         ji->js.lX           = test_bit(ji->joydev->absbits, ABS_X)        ? map_axis(ji, ABS_X,        ji->joydev->axes[ABS_X       ][AXE_ABS]) : 0;
 593         ji->js.lY           = test_bit(ji->joydev->absbits, ABS_Y)        ? map_axis(ji, ABS_Y,        ji->joydev->axes[ABS_Y       ][AXE_ABS]) : 0;
 594         ji->js.lZ           = test_bit(ji->joydev->absbits, ABS_Z)        ? map_axis(ji, ABS_Z,        ji->joydev->axes[ABS_Z       ][AXE_ABS]) : 0;
 595         ji->js.lRx          = test_bit(ji->joydev->absbits, ABS_RX)       ? map_axis(ji, ABS_RX,       ji->joydev->axes[ABS_RX      ][AXE_ABS]) : 0;
 596         ji->js.lRy          = test_bit(ji->joydev->absbits, ABS_RY)       ? map_axis(ji, ABS_RY,       ji->joydev->axes[ABS_RY      ][AXE_ABS]) : 0;
 597         ji->js.lRz          = test_bit(ji->joydev->absbits, ABS_RZ)       ? map_axis(ji, ABS_RZ,       ji->joydev->axes[ABS_RZ      ][AXE_ABS]) : 0;
 598         ji->js.rglSlider[0] = test_bit(ji->joydev->absbits, ABS_THROTTLE) ? map_axis(ji, ABS_THROTTLE, ji->joydev->axes[ABS_THROTTLE][AXE_ABS]) : 0;
 599         ji->js.rglSlider[1] = test_bit(ji->joydev->absbits, ABS_RUDDER)   ? map_axis(ji, ABS_RUDDER,   ji->joydev->axes[ABS_RUDDER  ][AXE_ABS]) : 0;
 600         /* POV center is -1 */
 601         for (i=0; i<4; i++) {
 602                 ji->js.rgdwPOV[i] = -1;
 603         }
 604 }
 605
 606 /*
 607  * Maps an event value to a DX "clock" position:
 608  *           0
 609  * 27000    -1 9000
 610  *       18000
 611  */
 612 static DWORD map_pov(int event_value, int is_x)
 613 {
 614         DWORD ret = -1;
 615         if (is_x) {
 616                 if (event_value<0) {
 617                         ret = 27000;
 618                 } else if (event_value>0) {
 619                         ret = 9000;
 620                 }
 621         } else {
 622                 if (event_value<0) {
 623                         ret = 0;
 624                 } else if (event_value>0) {
 625                         ret = 18000;
 626                 }
 627         }
 628         return ret;
 629 }
 630
 631 /* defines how the linux input system offset mappings into c_dfDIJoystick2 */
 632 static int
 633 lxinput_to_user_offset(JoystickImpl *This, int ie_type, int ie_code )
 634 {
 635   int offset = -1;
 636   switch (ie_type) {
 637     case EV_ABS:
 638       switch (ie_code) {
 639         case ABS_X:                     offset = 0; break;
 640         case ABS_Y:                     offset = 1; break;
 641         case ABS_Z:                     offset = 2; break;
 642         case ABS_RX:                    offset = 3; break;
 643         case ABS_RY:                    offset = 4; break;
 644         case ABS_RZ:                    offset = 5; break;
 645         case ABS_THROTTLE:              offset = 6; break;
 646         case ABS_RUDDER:                offset = 7; break;
 647         case ABS_HAT0X: case ABS_HAT0Y: offset = 8; break;
 648         case ABS_HAT1X: case ABS_HAT1Y: offset = 9; break;
 649         case ABS_HAT2X: case ABS_HAT2Y: offset = 10; break;
 650         case ABS_HAT3X: case ABS_HAT3Y: offset = 11; break;
 651         /* XXX when adding new axes here also fix the offset for the buttons bellow */
 652         default:
 653           FIXME("Unhandled EV_ABS(0x%02X)\n", ie_code);
 654           return -1;
 655       }
 656       break;
 657     case EV_KEY:
 658       if (ie_code >= 128) {
 659         WARN("DX8 does not support more than 128 buttons\n");
 660         return -1;
 661       }
 662       offset = 12 + ie_code; /* XXX */
 663       break;
 664     default:
 665       FIXME("Unhandled type(0x%02X)\n", ie_type);
 666       return -1;
 667   }
 668   return This->base.data_format.offsets[offset];
 669 }
 670
 671 /* convert wine format offset to user format object index */
 672 static void joy_polldev(JoystickImpl *This) {
 673     struct pollfd plfd;
 674     struct      input_event ie;
 675     int         btn, offset;
 676
 677     if (This->joyfd==-1)
 678         return;
 679
 680     while (1) {
 681         plfd.fd = This->joyfd;
 682         plfd.events = POLLIN;
 683
 684         if (poll(&plfd,1,0) != 1)
 685             return;
 686
 687         /* we have one event, so we can read */
 688         if (sizeof(ie)!=read(This->joyfd,&ie,sizeof(ie)))
 689             return;
 690
 691         TRACE("input_event: type %d, code %d, value %d\n",ie.type,ie.code,ie.value);
 692         switch (ie.type) {
 693         case EV_KEY:    /* button */
 694             btn = This->joydev->buttons[ie.code];
 695             TRACE("(%p) %d -> %d\n", This, ie.code, btn);
 696             if (btn&0x80) {
 697               btn &= 0x7F;
 698               if ((offset = lxinput_to_user_offset(This, ie.type, btn)) == -1) {
 699                 return;
 700               }
 701               This->js.rgbButtons[btn] = ie.value?0x80:0x00;
 702               queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgbButtons[btn],
 703                           ie.time.tv_usec, This->dinput->evsequence++);
 704             }
 705             break;
 706         case EV_ABS:
 707             if ((offset = lxinput_to_user_offset(This, ie.type, ie.code)) == -1) {
 708               return;
 709             }
 710             switch (ie.code) {
 711             case ABS_X:
 712                 This->js.lX = map_axis(This,ABS_X,ie.value);
 713                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lX,
 714                             ie.time.tv_usec, This->dinput->evsequence++);
 715                 break;
 716             case ABS_Y:
 717                 This->js.lY = map_axis(This,ABS_Y,ie.value);
 718                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lY,
 719                             ie.time.tv_usec, This->dinput->evsequence++);
 720                 break;
 721             case ABS_Z:
 722                 This->js.lZ = map_axis(This,ABS_Z,ie.value);
 723                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lZ,
 724                             ie.time.tv_usec, This->dinput->evsequence++);
 725                 break;
 726             case ABS_RX:
 727                 This->js.lRx = map_axis(This,ABS_RX,ie.value);
 728                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRx,
 729                             ie.time.tv_usec, This->dinput->evsequence++);
 730                 break;
 731             case ABS_RY:
 732                 This->js.lRy = map_axis(This,ABS_RY,ie.value);
 733                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRy,
 734                             ie.time.tv_usec, This->dinput->evsequence++);
 735                 break;
 736             case ABS_RZ:
 737                 This->js.lRz = map_axis(This,ABS_RZ,ie.value);
 738                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.lRz,
 739                             ie.time.tv_usec, This->dinput->evsequence++);
 740                 break;
 741             case ABS_THROTTLE:
 742                 This->js.rglSlider[0] = map_axis(This,ABS_THROTTLE,ie.value);
 743                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rglSlider[0],
 744                             ie.time.tv_usec, This->dinput->evsequence++);
 745                 break;
 746             case ABS_RUDDER:
 747                 This->js.rglSlider[1] = map_axis(This,ABS_RUDDER,ie.value);
 748                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rglSlider[1],
 749                             ie.time.tv_usec, This->dinput->evsequence++);
 750                 break;
 751             case ABS_HAT0X:
 752             case ABS_HAT0Y:
 753                 This->js.rgdwPOV[0] = map_pov(ie.value,ie.code==ABS_HAT0X);
 754                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[0],
 755                             ie.time.tv_usec, This->dinput->evsequence++);
 756                 break;
 757             case ABS_HAT1X:
 758             case ABS_HAT1Y:
 759                 This->js.rgdwPOV[1] = map_pov(ie.value,ie.code==ABS_HAT1X);
 760                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[1],
 761                             ie.time.tv_usec, This->dinput->evsequence++);
 762                 break;
 763             case ABS_HAT2X:
 764             case ABS_HAT2Y:
 765                 This->js.rgdwPOV[2] = map_pov(ie.value,ie.code==ABS_HAT2X);
 766                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[2],
 767                             ie.time.tv_usec, This->dinput->evsequence++);
 768                 break;
 769             case ABS_HAT3X:
 770             case ABS_HAT3Y:
 771                 This->js.rgdwPOV[3] = map_pov(ie.value,ie.code==ABS_HAT3X);
 772                 queue_event((LPDIRECTINPUTDEVICE8A)This, offset, This->js.rgdwPOV[3],
 773                             ie.time.tv_usec, This->dinput->evsequence++);
 774                 break;
 775             default:
 776                 FIXME("unhandled joystick axe event (code %d, value %d)\n",ie.code,ie.value);
 777                 break;
 778             }
 779             break;
 780 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
 781         case EV_FF_STATUS:
 782             This->ff_state = ie.value;
 783             break;
 784 #endif
 785 #ifdef EV_SYN
 786         case EV_SYN:
 787             /* there is nothing to do */
 788             break;
 789 #endif
 790         default:
 791             FIXME("joystick cannot handle type %d event (code %d)\n",ie.type,ie.code);
 792             break;
 793         }
 794     }
 795 }
 796
 797 /******************************************************************************
 798   *     GetDeviceState : returns the "state" of the joystick.
 799   *
 800   */
 801 static HRESULT WINAPI JoystickAImpl_GetDeviceState(
 802         LPDIRECTINPUTDEVICE8A iface,DWORD len,LPVOID ptr
 803 ) {
 804     JoystickImpl *This = (JoystickImpl *)iface;
 805
 806     TRACE("(this=%p,0x%08x,%p)\n", This, len, ptr);
 807
 808     if (This->joyfd==-1) {
 809         WARN("not acquired\n");
 810         return DIERR_NOTACQUIRED;
 811     }
 812
 813     joy_polldev(This);
 814
 815     /* convert and copy data to user supplied buffer */
 816     fill_DataFormat(ptr, &This->js, &This->base.data_format);
 817
 818     return DI_OK;
 819 }
 820
 821 /******************************************************************************
 822   *     SetProperty : change input device properties
 823   */
 824 static HRESULT WINAPI JoystickAImpl_SetProperty(LPDIRECTINPUTDEVICE8A iface,
 825                                             REFGUID rguid,
 826                                             LPCDIPROPHEADER ph)
 827 {
 828   JoystickImpl *This = (JoystickImpl *)iface;
 829
 830   if (!ph) {
 831     WARN("invalid argument\n");
 832     return DIERR_INVALIDPARAM;
 833   }
 834
 835   TRACE("(this=%p,%s,%p)\n",This,debugstr_guid(rguid),ph);
 836   TRACE("ph.dwSize = %d, ph.dwHeaderSize =%d, ph.dwObj = %d, ph.dwHow= %d\n",
 837         ph->dwSize, ph->dwHeaderSize, ph->dwObj, ph->dwHow);
 838
 839   if (!HIWORD(rguid)) {
 840     switch (LOWORD(rguid)) {
 841     case (DWORD)DIPROP_RANGE: {
 842       LPCDIPROPRANGE    pr = (LPCDIPROPRANGE)ph;
 843
 844       if (ph->dwHow == DIPH_DEVICE) {
 845         int i;
 846         TRACE("proprange(%d,%d) all\n", pr->lMin, pr->lMax);
 847         for (i = 0; i < This->base.data_format.user_df->dwNumObjs; i++) {
 848           This->wantmin[i] = pr->lMin;
 849           This->wantmax[i] = pr->lMax;
 850         }
 851       } else {
 852         int obj = find_property(This->base.data_format.user_df, ph);
 853         TRACE("proprange(%d,%d) obj=%d\n", pr->lMin, pr->lMax, obj);
 854         if (obj >= 0) {
 855           This->wantmin[obj] = pr->lMin;
 856           This->wantmax[obj] = pr->lMax;
 857         }
 858       }
 859       fake_current_js_state(This);
 860       break;
 861     }
 862     case (DWORD)DIPROP_DEADZONE: {
 863       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 864       if (ph->dwHow == DIPH_DEVICE) {
 865         int i;
 866         TRACE("deadzone(%d) all\n", pd->dwData);
 867         for (i = 0; i < This->base.data_format.user_df->dwNumObjs; i++) {
 868           This->deadz[i] = pd->dwData;
 869         }
 870       } else {
 871         int obj = find_property(This->base.data_format.user_df, ph);
 872         TRACE("deadzone(%d) obj=%d\n", pd->dwData, obj);
 873         if (obj >= 0) {
 874           This->deadz[obj] = pd->dwData;
 875         }
 876       }
 877       fake_current_js_state(This);
 878       break;
 879     }
 880     case (DWORD)DIPROP_CALIBRATIONMODE: {
 881       LPCDIPROPDWORD    pd = (LPCDIPROPDWORD)ph;
 882       FIXME("DIPROP_CALIBRATIONMODE(%d)\n", pd->dwData);
 883       break;
 884     }
 885     default:
 886       return IDirectInputDevice2AImpl_SetProperty(iface, rguid, ph);
 887     }
 888   }
 889   return DI_OK;
 890 }
 891
 892 static HRESULT WINAPI JoystickAImpl_GetCapabilities(
 893         LPDIRECTINPUTDEVICE8A iface,
 894         LPDIDEVCAPS lpDIDevCaps)
 895 {
 896     JoystickImpl *This = (JoystickImpl *)iface;
 897     int         i,axes,buttons,povs;
 898
 899     TRACE("%p->(%p)\n",iface,lpDIDevCaps);
 900
 901     if (!lpDIDevCaps) {
 902         WARN("invalid pointer\n");
 903         return E_POINTER;
 904     }
 905
 906     if (lpDIDevCaps->dwSize != sizeof(DIDEVCAPS)) {
 907         WARN("invalid argument\n");
 908         return DIERR_INVALIDPARAM;
 909     }
 910
 911     lpDIDevCaps->dwFlags        = DIDC_ATTACHED;
 912     if (This->dinput->dwVersion >= 0x0800)
 913         lpDIDevCaps->dwDevType = DI8DEVTYPE_JOYSTICK | (DI8DEVTYPEJOYSTICK_STANDARD << 8);
 914     else
 915         lpDIDevCaps->dwDevType = DIDEVTYPE_JOYSTICK | (DIDEVTYPEJOYSTICK_TRADITIONAL << 8);
 916
 917     axes=0;
 918     for (i=0;i<ABS_MAX;i++) {
 919       if (!test_bit(This->joydev->absbits,i)) continue;
 920       switch (i) {
 921       case ABS_HAT0X: case ABS_HAT0Y:
 922       case ABS_HAT1X: case ABS_HAT1Y:
 923       case ABS_HAT2X: case ABS_HAT2Y:
 924       case ABS_HAT3X: case ABS_HAT3Y:
 925         /* will be handled as POV - see below */
 926         break;
 927       default:
 928         axes++;
 929       }
 930     }
 931     buttons=0;
 932     for (i=0;i<KEY_MAX;i++) if (test_bit(This->joydev->keybits,i)) buttons++;
 933     povs=0;
 934     for (i=0; i<4; i++) {
 935       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
 936         povs ++;
 937       }
 938     }
 939
 940     if (This->joydev->has_ff)
 941          lpDIDevCaps->dwFlags |= DIDC_FORCEFEEDBACK;
 942
 943     lpDIDevCaps->dwAxes = axes;
 944     lpDIDevCaps->dwButtons = buttons;
 945     lpDIDevCaps->dwPOVs = povs;
 946
 947     return DI_OK;
 948 }
 949
 950 static HRESULT WINAPI JoystickAImpl_Poll(LPDIRECTINPUTDEVICE8A iface) {
 951     JoystickImpl *This = (JoystickImpl *)iface;
 952     TRACE("(%p)\n",This);
 953
 954     if (This->joyfd==-1) {
 955       return DIERR_NOTACQUIRED;
 956     }
 957
 958     joy_polldev(This);
 959     return DI_OK;
 960 }
 961
 962 /******************************************************************************
 963   *     EnumObjects : enumerate the different buttons and axis...
 964   */
 965 static HRESULT WINAPI JoystickAImpl_EnumObjects(
 966         LPDIRECTINPUTDEVICE8A iface,
 967         LPDIENUMDEVICEOBJECTSCALLBACKA lpCallback,
 968         LPVOID lpvRef,
 969         DWORD dwFlags)
 970 {
 971   JoystickImpl *This = (JoystickImpl *)iface;
 972   DIDEVICEOBJECTINSTANCEA ddoi;
 973   int user_offset, user_object;
 974
 975   TRACE("(this=%p,%p,%p,%08x)\n", This, lpCallback, lpvRef, dwFlags);
 976   if (TRACE_ON(dinput)) {
 977     TRACE("  - flags = ");
 978     _dump_EnumObjects_flags(dwFlags);
 979     TRACE("\n");
 980   }
 981
 982   memset(&ddoi, 0, sizeof(ddoi));
 983   /* Only the fields till dwFFMaxForce are relevant */
 984   ddoi.dwSize = FIELD_OFFSET(DIDEVICEOBJECTINSTANCEA, dwFFMaxForce);
 985
 986   /* For the joystick, do as is done in the GetCapabilities function */
 987   /* FIXME: needs more items */
 988   if ((dwFlags == DIDFT_ALL) ||
 989       (dwFlags & DIDFT_AXIS)) {
 990     BYTE i;
 991
 992     for (i = 0; i < ABS_MAX; i++) {
 993       if (!test_bit(This->joydev->absbits,i)) continue;
 994
 995       switch (i) {
 996       case ABS_X:
 997         ddoi.guidType = GUID_XAxis;
 998         break;
 999       case ABS_Y:
1000         ddoi.guidType = GUID_YAxis;
1001         break;
1002       case ABS_Z:
1003         ddoi.guidType = GUID_ZAxis;
1004         break;
1005       case ABS_RX:
1006         ddoi.guidType = GUID_RxAxis;
1007         break;
1008       case ABS_RY:
1009         ddoi.guidType = GUID_RyAxis;
1010         break;
1011       case ABS_RZ:
1012         ddoi.guidType = GUID_RzAxis;
1013         break;
1014       case ABS_THROTTLE:
1015       case ABS_RUDDER:
1016         ddoi.guidType = GUID_Slider;
1017         break;
1018       case ABS_HAT0X: case ABS_HAT0Y:
1019       case ABS_HAT1X: case ABS_HAT1Y:
1020       case ABS_HAT2X: case ABS_HAT2Y:
1021       case ABS_HAT3X: case ABS_HAT3Y:
1022         /* will be handled as POV - see below */
1023         continue;
1024       default:
1025         FIXME("unhandled abs axis 0x%02x, ignoring!\n",i);
1026         continue;
1027       }
1028       if ((user_offset = lxinput_to_user_offset(This, EV_ABS, i)) == -1) {
1029         continue;
1030       }
1031       user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1032       ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1033       ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1034       /* Linux event force feedback supports only (and always) x and y axes */
1035       if (i == ABS_X || i == ABS_Y) {
1036         if (This->joydev->has_ff)
1037           ddoi.dwFlags |= DIDOI_FFACTUATOR;
1038       }
1039       sprintf(ddoi.tszName, "%d-Axis", i);
1040       _dump_OBJECTINSTANCEA(&ddoi);
1041       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1042         return DI_OK;
1043       }
1044     }
1045   }
1046
1047   if ((dwFlags == DIDFT_ALL) ||
1048       (dwFlags & DIDFT_POV)) {
1049     int i;
1050     ddoi.guidType = GUID_POV;
1051     for (i=0; i<4; i++) {
1052       if (test_bit(This->joydev->absbits,ABS_HAT0X+(i<<1)) && test_bit(This->joydev->absbits,ABS_HAT0Y+(i<<1))) {
1053         if ((user_offset = lxinput_to_user_offset(This, EV_ABS, ABS_HAT0X+i))== -1) {
1054           continue;
1055         }
1056         user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1057         ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1058         ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1059         sprintf(ddoi.tszName, "%d-POV", i);
1060         _dump_OBJECTINSTANCEA(&ddoi);
1061         if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1062           return DI_OK;
1063         }
1064       }
1065     }
1066   }
1067
1068   if ((dwFlags == DIDFT_ALL) ||
1069       (dwFlags & DIDFT_BUTTON)) {
1070     int i, btncount=0;
1071
1072     /*The DInput SDK says that GUID_Button is only for mouse buttons but well*/
1073
1074     ddoi.guidType = GUID_Button;
1075
1076     for (i = 0; i < KEY_MAX; i++) {
1077       if (!test_bit(This->joydev->keybits,i)) continue;
1078       if ((user_offset = lxinput_to_user_offset(This, EV_KEY, btncount)) == -1) {
1079         continue;
1080       }
1081       user_object = offset_to_object(This->base.data_format.user_df, user_offset);
1082       ddoi.dwType = This->base.data_format.user_df->rgodf[user_object].dwType & 0x00ffffff;
1083       ddoi.dwOfs =  This->base.data_format.user_df->rgodf[user_object].dwOfs;
1084       sprintf(ddoi.tszName, "%d-Button", btncount);
1085       btncount++;
1086       _dump_OBJECTINSTANCEA(&ddoi);
1087       if (lpCallback(&ddoi, lpvRef) != DIENUM_CONTINUE) {
1088         return DI_OK;
1089       }
1090     }
1091   }
1092
1093   return DI_OK;
1094 }
1095
1096 static HRESULT WINAPI JoystickWImpl_EnumObjects(LPDIRECTINPUTDEVICE8W iface,
1097                                                 LPDIENUMDEVICEOBJECTSCALLBACKW lpCallback,
1098                                                 LPVOID lpvRef,
1099                                                 DWORD dwFlags)
1100 {
1101   JoystickImpl *This = (JoystickImpl *)iface;
1102
1103   device_enumobjects_AtoWcb_data data;
1104
1105   data.lpCallBack = lpCallback;
1106   data.lpvRef = lpvRef;
1107
1108   return JoystickAImpl_EnumObjects((LPDIRECTINPUTDEVICE8A) This, (LPDIENUMDEVICEOBJECTSCALLBACKA) DIEnumDevicesCallbackAtoW, (LPVOID) &data, dwFlags);
1109 }
1110
1111 /******************************************************************************
1112   *     GetProperty : get input device properties
1113   */
1114 static HRESULT WINAPI JoystickAImpl_GetProperty(LPDIRECTINPUTDEVICE8A iface,
1115                                                 REFGUID rguid,
1116                                                 LPDIPROPHEADER pdiph)
1117 {
1118   JoystickImpl *This = (JoystickImpl *)iface;
1119
1120   TRACE("(this=%p,%s,%p)\n",
1121         iface, debugstr_guid(rguid), pdiph);
1122
1123   if (TRACE_ON(dinput))
1124     _dump_DIPROPHEADER(pdiph);
1125
1126   if (!HIWORD(rguid)) {
1127     switch (LOWORD(rguid)) {
1128     case (DWORD) DIPROP_RANGE: {
1129       LPDIPROPRANGE pr = (LPDIPROPRANGE) pdiph;
1130       int obj = find_property(This->base.data_format.user_df, pdiph);
1131       if (obj >= 0) {
1132         pr->lMin = This->joydev->havemin[obj];
1133         pr->lMax = This->joydev->havemax[obj];
1134         TRACE("range(%d, %d) obj=%d\n", pr->lMin, pr->lMax, obj);
1135       }
1136       break;
1137     }
1138
1139     default:
1140       return IDirectInputDevice2AImpl_GetProperty(iface, rguid, pdiph);
1141     }
1142   }
1143
1144
1145   return DI_OK;
1146 }
1147
1148 /******************************************************************************
1149   *     CreateEffect - Create a new FF effect with the specified params
1150   */
1151 static HRESULT WINAPI JoystickAImpl_CreateEffect(LPDIRECTINPUTDEVICE8A iface,
1152                                                  REFGUID rguid,
1153                                                  LPCDIEFFECT lpeff,
1154                                                  LPDIRECTINPUTEFFECT *ppdef,
1155                                                  LPUNKNOWN pUnkOuter)
1156 {
1157 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1158     EffectListItem* new = NULL;
1159     HRESULT retval = DI_OK;
1160 #endif
1161
1162     JoystickImpl* This = (JoystickImpl*)iface;
1163     TRACE("(this=%p,%p,%p,%p,%p)\n", This, rguid, lpeff, ppdef, pUnkOuter);
1164
1165 #ifndef HAVE_STRUCT_FF_EFFECT_DIRECTION
1166     TRACE("not available (compiled w/o ff support)\n");
1167     *ppdef = NULL;
1168     return DI_OK;
1169 #else
1170
1171     new = HeapAlloc(GetProcessHeap(), 0, sizeof(EffectListItem));
1172     new->next = This->top_effect;
1173     This->top_effect = new;
1174
1175     retval = linuxinput_create_effect(&(This->joyfd), rguid, &(new->ref));
1176     if (retval != DI_OK)
1177         return retval;
1178
1179     if (lpeff != NULL)
1180         retval = IDirectInputEffect_SetParameters(new->ref, lpeff, 0);
1181     if (retval != DI_OK && retval != DI_DOWNLOADSKIPPED)
1182         return retval;
1183
1184     *ppdef = new->ref;
1185
1186     if (pUnkOuter != NULL)
1187         FIXME("Interface aggregation not implemented.\n");
1188
1189     return DI_OK;
1190
1191 #endif /* HAVE_STRUCT_FF_EFFECT_DIRECTION */
1192 }
1193
1194 /*******************************************************************************
1195  *      EnumEffects - Enumerate available FF effects
1196  */
1197 static HRESULT WINAPI JoystickAImpl_EnumEffects(LPDIRECTINPUTDEVICE8A iface,
1198                                                 LPDIENUMEFFECTSCALLBACKA lpCallback,
1199                                                 LPVOID pvRef,
1200                                                 DWORD dwEffType)
1201 {
1202 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1203     DIEFFECTINFOA dei; /* feif */
1204     DWORD type = DIEFT_GETTYPE(dwEffType);
1205     JoystickImpl* This = (JoystickImpl*)iface;
1206
1207     TRACE("(this=%p,%p,%d) type=%d\n", This, pvRef, dwEffType, type);
1208
1209     dei.dwSize = sizeof(DIEFFECTINFOA);
1210
1211     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1212         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1213         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1214         (*lpCallback)(&dei, pvRef);
1215     }
1216
1217     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1218         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1219         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1220             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1221             (*lpCallback)(&dei, pvRef);
1222         }
1223         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1224             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1225             (*lpCallback)(&dei, pvRef);
1226         }
1227         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1228             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1229             (*lpCallback)(&dei, pvRef);
1230         }
1231         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1232             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1233             (*lpCallback)(&dei, pvRef);
1234         }
1235         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1236             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1237             (*lpCallback)(&dei, pvRef);
1238         }
1239     }
1240
1241     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1242         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1243         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1244         (*lpCallback)(&dei, pvRef);
1245     }
1246
1247     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1248         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1249             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1250             (*lpCallback)(&dei, pvRef);
1251         }
1252         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1253             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1254             (*lpCallback)(&dei, pvRef);
1255         }
1256         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1257             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1258             (*lpCallback)(&dei, pvRef);
1259         }
1260         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1261             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1262             (*lpCallback)(&dei, pvRef);
1263         }
1264     }
1265
1266 #endif
1267
1268     return DI_OK;
1269 }
1270
1271 static HRESULT WINAPI JoystickWImpl_EnumEffects(LPDIRECTINPUTDEVICE8W iface,
1272                                                 LPDIENUMEFFECTSCALLBACKW lpCallback,
1273                                                 LPVOID pvRef,
1274                                                 DWORD dwEffType)
1275 {
1276 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1277     /* seems silly to duplicate all this code but all the structures and functions
1278      * are actually different (A/W) */
1279     DIEFFECTINFOW dei; /* feif */
1280     DWORD type = DIEFT_GETTYPE(dwEffType);
1281     JoystickImpl* This = (JoystickImpl*)iface;
1282     int xfd = This->joyfd;
1283
1284     TRACE("(this=%p,%p,%d) type=%d fd=%d\n", This, pvRef, dwEffType, type, xfd);
1285
1286     dei.dwSize = sizeof(DIEFFECTINFOW);
1287
1288     if ((type == DIEFT_ALL || type == DIEFT_CONSTANTFORCE)
1289         && test_bit(This->joydev->ffbits, FF_CONSTANT)) {
1290         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_ConstantForce);
1291         (*lpCallback)(&dei, pvRef);
1292     }
1293
1294     if ((type == DIEFT_ALL || type == DIEFT_PERIODIC)
1295         && test_bit(This->joydev->ffbits, FF_PERIODIC)) {
1296         if (test_bit(This->joydev->ffbits, FF_SQUARE)) {
1297             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Square);
1298             (*lpCallback)(&dei, pvRef);
1299         }
1300         if (test_bit(This->joydev->ffbits, FF_SINE)) {
1301             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Sine);
1302             (*lpCallback)(&dei, pvRef);
1303         }
1304         if (test_bit(This->joydev->ffbits, FF_TRIANGLE)) {
1305             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Triangle);
1306             (*lpCallback)(&dei, pvRef);
1307         }
1308         if (test_bit(This->joydev->ffbits, FF_SAW_UP)) {
1309             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothUp);
1310             (*lpCallback)(&dei, pvRef);
1311         }
1312         if (test_bit(This->joydev->ffbits, FF_SAW_DOWN)) {
1313             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_SawtoothDown);
1314             (*lpCallback)(&dei, pvRef);
1315         }
1316     }
1317
1318     if ((type == DIEFT_ALL || type == DIEFT_RAMPFORCE)
1319         && test_bit(This->joydev->ffbits, FF_RAMP)) {
1320         IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_RampForce);
1321         (*lpCallback)(&dei, pvRef);
1322     }
1323
1324     if (type == DIEFT_ALL || type == DIEFT_CONDITION) {
1325         if (test_bit(This->joydev->ffbits, FF_SPRING)) {
1326             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Spring);
1327             (*lpCallback)(&dei, pvRef);
1328         }
1329         if (test_bit(This->joydev->ffbits, FF_DAMPER)) {
1330             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Damper);
1331             (*lpCallback)(&dei, pvRef);
1332         }
1333         if (test_bit(This->joydev->ffbits, FF_INERTIA)) {
1334             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Inertia);
1335             (*lpCallback)(&dei, pvRef);
1336         }
1337         if (test_bit(This->joydev->ffbits, FF_FRICTION)) {
1338             IDirectInputDevice8_GetEffectInfo(iface, &dei, &GUID_Friction);
1339             (*lpCallback)(&dei, pvRef);
1340         }
1341     }
1342
1343     /* return to unacquired state if that's where it was */
1344     if (xfd == -1)
1345         IDirectInputDevice8_Unacquire(iface);
1346 #endif
1347
1348     return DI_OK;
1349 }
1350
1351 /*******************************************************************************
1352  *      GetEffectInfo - Get information about a particular effect
1353  */
1354 static HRESULT WINAPI JoystickAImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8A iface,
1355                                                   LPDIEFFECTINFOA pdei,
1356                                                   REFGUID guid)
1357 {
1358     JoystickImpl* This = (JoystickImpl*)iface;
1359
1360     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1361
1362 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1363     return linuxinput_get_info_A(This->joyfd, guid, pdei);
1364 #else
1365     return DI_OK;
1366 #endif
1367 }
1368
1369 static HRESULT WINAPI JoystickWImpl_GetEffectInfo(LPDIRECTINPUTDEVICE8W iface,
1370                                                   LPDIEFFECTINFOW pdei,
1371                                                   REFGUID guid)
1372 {
1373     JoystickImpl* This = (JoystickImpl*)iface;
1374
1375     TRACE("(this=%p,%p,%s)\n", This, pdei, _dump_dinput_GUID(guid));
1376
1377 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1378     return linuxinput_get_info_W(This->joyfd, guid, pdei);
1379 #else
1380     return DI_OK;
1381 #endif
1382 }
1383
1384 /*******************************************************************************
1385  *      GetForceFeedbackState - Get information about the device's FF state
1386  */
1387 static HRESULT WINAPI JoystickAImpl_GetForceFeedbackState(
1388         LPDIRECTINPUTDEVICE8A iface,
1389         LPDWORD pdwOut)
1390 {
1391     JoystickImpl* This = (JoystickImpl*)iface;
1392
1393     TRACE("(this=%p,%p)\n", This, pdwOut);
1394
1395     (*pdwOut) = 0;
1396
1397 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1398     /* DIGFFS_STOPPED is the only mandatory flag to report */
1399     if (This->ff_state == FF_STATUS_STOPPED)
1400         (*pdwOut) |= DIGFFS_STOPPED;
1401 #endif
1402
1403     return DI_OK;
1404 }
1405
1406 /*******************************************************************************
1407  *      SendForceFeedbackCommand - Send a command to the device's FF system
1408  */
1409 static HRESULT WINAPI JoystickAImpl_SendForceFeedbackCommand(
1410         LPDIRECTINPUTDEVICE8A iface,
1411         DWORD dwFlags)
1412 {
1413     JoystickImpl* This = (JoystickImpl*)iface;
1414     TRACE("(this=%p,%d)\n", This, dwFlags);
1415
1416 #ifdef HAVE_STRUCT_FF_EFFECT_DIRECTION
1417     if (dwFlags == DISFFC_STOPALL) {
1418         /* Stop all effects */
1419         EffectListItem* itr = This->top_effect;
1420         while (itr) {
1421             IDirectInputEffect_Stop(itr->ref);
1422             itr = itr->next;
1423         }
1424     } else if (dwFlags == DISFFC_RESET) {
1425         /* Stop, unload, release and free all effects */
1426         /* This returns the device to its "bare" state */
1427         while (This->top_effect) {
1428             EffectListItem* temp = This->top_effect;
1429             IDirectInputEffect_Stop(temp->ref);
1430             IDirectInputEffect_Unload(temp->ref);
1431             IDirectInputEffect_Release(temp->ref);
1432             This->top_effect = temp->next;
1433             HeapFree(GetProcessHeap(), 0, temp);
1434         }
1435     } else if (dwFlags == DISFFC_PAUSE || dwFlags == DISFFC_CONTINUE) {
1436         FIXME("No support for Pause or Continue in linux\n");
1437     } else if (dwFlags == DISFFC_SETACTUATORSOFF
1438                 || dwFlags == DISFFC_SETACTUATORSON) {
1439         FIXME("No direct actuator control in linux\n");
1440     } else {
1441         FIXME("Unknown Force Feedback Command!\n");
1442         return DIERR_INVALIDPARAM;
1443     }
1444     return DI_OK;
1445 #else
1446     return DIERR_UNSUPPORTED;
1447 #endif
1448 }
1449
1450 /*******************************************************************************
1451  *      EnumCreatedEffectObjects - Enumerate all the effects that have been
1452  *              created for this device.
1453  */
1454 static HRESULT WINAPI JoystickAImpl_EnumCreatedEffectObjects(
1455         LPDIRECTINPUTDEVICE8A iface,
1456         LPDIENUMCREATEDEFFECTOBJECTSCALLBACK lpCallback,
1457         LPVOID pvRef,
1458         DWORD dwFlags)
1459 {
1460     /* this function is safe to call on non-ff-enabled builds */
1461
1462     JoystickImpl* This = (JoystickImpl*)iface;
1463     EffectListItem* itr = This->top_effect;
1464     TRACE("(this=%p,%p,%p,%d)\n", This, lpCallback, pvRef, dwFlags);
1465
1466     if (!lpCallback)
1467         return DIERR_INVALIDPARAM;
1468
1469     if (dwFlags != 0)
1470         FIXME("Flags specified, but no flags exist yet (DX9)!\n");
1471
1472     while (itr) {
1473         (*lpCallback)(itr->ref, pvRef);
1474         itr = itr->next;
1475     }
1476
1477     return DI_OK;
1478 }
1479
1480 static const IDirectInputDevice8AVtbl JoystickAvt =
1481 {
1482         IDirectInputDevice2AImpl_QueryInterface,
1483         IDirectInputDevice2AImpl_AddRef,
1484         JoystickAImpl_Release,
1485         JoystickAImpl_GetCapabilities,
1486         JoystickAImpl_EnumObjects,
1487         JoystickAImpl_GetProperty,
1488         JoystickAImpl_SetProperty,
1489         JoystickAImpl_Acquire,
1490         JoystickAImpl_Unacquire,
1491         JoystickAImpl_GetDeviceState,
1492         IDirectInputDevice2AImpl_GetDeviceData,
1493         IDirectInputDevice2AImpl_SetDataFormat,
1494         IDirectInputDevice2AImpl_SetEventNotification,
1495         IDirectInputDevice2AImpl_SetCooperativeLevel,
1496         IDirectInputDevice2AImpl_GetObjectInfo,
1497         IDirectInputDevice2AImpl_GetDeviceInfo,
1498         IDirectInputDevice2AImpl_RunControlPanel,
1499         IDirectInputDevice2AImpl_Initialize,
1500         JoystickAImpl_CreateEffect,
1501         JoystickAImpl_EnumEffects,
1502         JoystickAImpl_GetEffectInfo,
1503         JoystickAImpl_GetForceFeedbackState,
1504         JoystickAImpl_SendForceFeedbackCommand,
1505         JoystickAImpl_EnumCreatedEffectObjects,
1506         IDirectInputDevice2AImpl_Escape,
1507         JoystickAImpl_Poll,
1508         IDirectInputDevice2AImpl_SendDeviceData,
1509         IDirectInputDevice7AImpl_EnumEffectsInFile,
1510         IDirectInputDevice7AImpl_WriteEffectToFile,
1511         IDirectInputDevice8AImpl_BuildActionMap,
1512         IDirectInputDevice8AImpl_SetActionMap,
1513         IDirectInputDevice8AImpl_GetImageInfo
1514 };
1515
1516 #if !defined(__STRICT_ANSI__) && defined(__GNUC__)
1517 # define XCAST(fun)     (typeof(JoystickWvt.fun))
1518 #else
1519 # define XCAST(fun)     (void*)
1520 #endif
1521
1522 static const IDirectInputDevice8WVtbl JoystickWvt =
1523 {
1524         IDirectInputDevice2WImpl_QueryInterface,
1525         XCAST(AddRef)IDirectInputDevice2AImpl_AddRef,
1526         XCAST(Release)JoystickAImpl_Release,
1527         XCAST(GetCapabilities)JoystickAImpl_GetCapabilities,
1528         JoystickWImpl_EnumObjects,
1529         XCAST(GetProperty)JoystickAImpl_GetProperty,
1530         XCAST(SetProperty)JoystickAImpl_SetProperty,
1531         XCAST(Acquire)JoystickAImpl_Acquire,
1532         XCAST(Unacquire)JoystickAImpl_Unacquire,
1533         XCAST(GetDeviceState)JoystickAImpl_GetDeviceState,
1534         XCAST(GetDeviceData)IDirectInputDevice2AImpl_GetDeviceData,
1535         XCAST(SetDataFormat)IDirectInputDevice2AImpl_SetDataFormat,
1536         XCAST(SetEventNotification)IDirectInputDevice2AImpl_SetEventNotification,
1537         XCAST(SetCooperativeLevel)IDirectInputDevice2AImpl_SetCooperativeLevel,
1538         IDirectInputDevice2WImpl_GetObjectInfo,
1539         IDirectInputDevice2WImpl_GetDeviceInfo,
1540         XCAST(RunControlPanel)IDirectInputDevice2AImpl_RunControlPanel,
1541         XCAST(Initialize)IDirectInputDevice2AImpl_Initialize,
1542         XCAST(CreateEffect)JoystickAImpl_CreateEffect,
1543         JoystickWImpl_EnumEffects,
1544         JoystickWImpl_GetEffectInfo,
1545         XCAST(GetForceFeedbackState)JoystickAImpl_GetForceFeedbackState,
1546         XCAST(SendForceFeedbackCommand)JoystickAImpl_SendForceFeedbackCommand,
1547         XCAST(EnumCreatedEffectObjects)JoystickAImpl_EnumCreatedEffectObjects,
1548         XCAST(Escape)IDirectInputDevice2AImpl_Escape,
1549         XCAST(Poll)JoystickAImpl_Poll,
1550         XCAST(SendDeviceData)IDirectInputDevice2AImpl_SendDeviceData,
1551         IDirectInputDevice7WImpl_EnumEffectsInFile,
1552         IDirectInputDevice7WImpl_WriteEffectToFile,
1553         IDirectInputDevice8WImpl_BuildActionMap,
1554         IDirectInputDevice8WImpl_SetActionMap,
1555         IDirectInputDevice8WImpl_GetImageInfo
1556 };
1557 #undef XCAST
1558
1559 #else  /* HAVE_CORRECT_LINUXINPUT_H */
1560
1561 const struct dinput_device joystick_linuxinput_device = {
1562   "Wine Linux-input joystick driver",
1563   NULL,
1564   NULL,
1565   NULL,
1566   NULL
1567 };
1568
1569 #endif  /* HAVE_CORRECT_LINUXINPUT_H */