SDL  2.0
SDL_joystick.c
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1 /*
2  Simple DirectMedia Layer
3  Copyright (C) 1997-2019 Sam Lantinga <slouken@libsdl.org>
4 
5  This software is provided 'as-is', without any express or implied
6  warranty. In no event will the authors be held liable for any damages
7  arising from the use of this software.
8 
9  Permission is granted to anyone to use this software for any purpose,
10  including commercial applications, and to alter it and redistribute it
11  freely, subject to the following restrictions:
12 
13  1. The origin of this software must not be misrepresented; you must not
14  claim that you wrote the original software. If you use this software
15  in a product, an acknowledgment in the product documentation would be
16  appreciated but is not required.
17  2. Altered source versions must be plainly marked as such, and must not be
18  misrepresented as being the original software.
19  3. This notice may not be removed or altered from any source distribution.
20 */
21 #include "../SDL_internal.h"
22 
23 /* This is the joystick API for Simple DirectMedia Layer */
24 
25 #include "SDL.h"
26 #include "SDL_atomic.h"
27 #include "SDL_events.h"
28 #include "SDL_sysjoystick.h"
29 #include "SDL_assert.h"
30 #include "SDL_hints.h"
31 
32 #if !SDL_EVENTS_DISABLED
33 #include "../events/SDL_events_c.h"
34 #endif
35 #include "../video/SDL_sysvideo.h"
36 
37 /* This is included in only one place because it has a large static list of controllers */
38 #include "controller_type.h"
39 
40 #ifdef __WIN32__
41 /* Needed for checking for input remapping programs */
42 #include "../core/windows/SDL_windows.h"
43 
44 #undef UNICODE /* We want ASCII functions */
45 #include <tlhelp32.h>
46 #endif
47 
48 static SDL_JoystickDriver *SDL_joystick_drivers[] = {
49 #if defined(SDL_JOYSTICK_DINPUT) || defined(SDL_JOYSTICK_XINPUT)
51 #endif
52 #ifdef SDL_JOYSTICK_LINUX
54 #endif
55 #ifdef SDL_JOYSTICK_IOKIT
57 #endif
58 #if defined(__IPHONEOS__) || defined(__TVOS__)
60 #endif
61 #ifdef SDL_JOYSTICK_ANDROID
63 #endif
64 #ifdef SDL_JOYSTICK_EMSCRIPTEN
66 #endif
67 #ifdef SDL_JOYSTICK_HAIKU
69 #endif
70 #ifdef SDL_JOYSTICK_USBHID /* !!! FIXME: "USBHID" is a generic name, and doubly-confusing with HIDAPI next to it. This is the *BSD interface, rename this. */
72 #endif
73 #ifdef SDL_JOYSTICK_HIDAPI
75 #endif
76 #if defined(SDL_JOYSTICK_DUMMY) || defined(SDL_JOYSTICK_DISABLED)
78 #endif
79 };
81 static SDL_Joystick *SDL_joysticks = NULL;
83 static SDL_mutex *SDL_joystick_lock = NULL; /* This needs to support recursive locks */
85 
86 void
88 {
89  if (SDL_joystick_lock) {
91  }
92 }
93 
94 void
96 {
97  if (SDL_joystick_lock) {
99  }
100 }
101 
102 
103 static void SDLCALL
104 SDL_JoystickAllowBackgroundEventsChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
105 {
106  if (hint && *hint == '1') {
108  } else {
110  }
111 }
112 
113 int
115 {
116  int i, status;
117 
119 
120  /* Create the joystick list lock */
121  if (!SDL_joystick_lock) {
123  }
124 
125  /* See if we should allow joystick events while in the background */
128 
129 #if !SDL_EVENTS_DISABLED
131  return -1;
132  }
133 #endif /* !SDL_EVENTS_DISABLED */
134 
135  status = -1;
136  for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) {
137  if (SDL_joystick_drivers[i]->Init() >= 0) {
138  status = 0;
139  }
140  }
141  return status;
142 }
143 
144 /*
145  * Count the number of joysticks attached to the system
146  */
147 int
149 {
150  int i, total_joysticks = 0;
152  for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) {
153  total_joysticks += SDL_joystick_drivers[i]->GetCount();
154  }
156  return total_joysticks;
157 }
158 
159 /*
160  * Return the next available joystick instance ID
161  * This may be called by drivers from multiple threads, unprotected by any locks
162  */
164 {
166 }
167 
168 /*
169  * Get the driver and device index for an API device index
170  * This should be called while the joystick lock is held, to prevent another thread from updating the list
171  */
172 SDL_bool
173 SDL_GetDriverAndJoystickIndex(int device_index, SDL_JoystickDriver **driver, int *driver_index)
174 {
175  int i, num_joysticks, total_joysticks = 0;
176 
177  if (device_index >= 0) {
178  for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) {
179  num_joysticks = SDL_joystick_drivers[i]->GetCount();
180  if (device_index < num_joysticks) {
181  *driver = SDL_joystick_drivers[i];
182  *driver_index = device_index;
183  return SDL_TRUE;
184  }
185  device_index -= num_joysticks;
186  total_joysticks += num_joysticks;
187  }
188  }
189 
190  SDL_SetError("There are %d joysticks available", total_joysticks);
191  return SDL_FALSE;
192 }
193 
194 /*
195  * Perform any needed fixups for joystick names
196  */
197 static const char *
199 {
200  if (name) {
201  const char *skip_prefix = "NVIDIA Corporation ";
202 
203  if (SDL_strncmp(name, skip_prefix, SDL_strlen(skip_prefix)) == 0) {
204  name += SDL_strlen(skip_prefix);
205  }
206  }
207  return name;
208 }
209 
210 
211 /*
212  * Get the implementation dependent name of a joystick
213  */
214 const char *
215 SDL_JoystickNameForIndex(int device_index)
216 {
217  SDL_JoystickDriver *driver;
218  const char *name = NULL;
219 
221  if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) {
222  name = SDL_FixupJoystickName(driver->GetDeviceName(device_index));
223  }
225 
226  /* FIXME: Really we should reference count this name so it doesn't go away after unlock */
227  return name;
228 }
229 
230 int
232 {
233  SDL_JoystickDriver *driver;
234  int player_index = -1;
235 
237  if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) {
238  player_index = driver->GetDevicePlayerIndex(device_index);
239  }
241 
242  return player_index;
243 }
244 
245 /*
246  * Return true if this joystick is known to have all axes centered at zero
247  * This isn't generally needed unless the joystick never generates an initial axis value near zero,
248  * e.g. it's emulating axes with digital buttons
249  */
250 static SDL_bool
252 {
253  static Uint32 zero_centered_joysticks[] = {
254  MAKE_VIDPID(0x0e8f, 0x3013), /* HuiJia SNES USB adapter */
255  MAKE_VIDPID(0x05a0, 0x3232), /* 8Bitdo Zero Gamepad */
256  };
257 
258  int i;
261 
262 /*printf("JOYSTICK '%s' VID/PID 0x%.4x/0x%.4x AXES: %d\n", joystick->name, vendor, product, joystick->naxes);*/
263 
264  if (joystick->naxes == 2) {
265  /* Assume D-pad or thumbstick style axes are centered at 0 */
266  return SDL_TRUE;
267  }
268 
269  for (i = 0; i < SDL_arraysize(zero_centered_joysticks); ++i) {
270  if (id == zero_centered_joysticks[i]) {
271  return SDL_TRUE;
272  }
273  }
274  return SDL_FALSE;
275 }
276 
277 /*
278  * Open a joystick for use - the index passed as an argument refers to
279  * the N'th joystick on the system. This index is the value which will
280  * identify this joystick in future joystick events.
281  *
282  * This function returns a joystick identifier, or NULL if an error occurred.
283  */
284 SDL_Joystick *
285 SDL_JoystickOpen(int device_index)
286 {
287  SDL_JoystickDriver *driver;
288  SDL_JoystickID instance_id;
289  SDL_Joystick *joystick;
290  SDL_Joystick *joysticklist;
291  const char *joystickname = NULL;
292 
294 
295  if (!SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) {
297  return NULL;
298  }
299 
300  joysticklist = SDL_joysticks;
301  /* If the joystick is already open, return it
302  * it is important that we have a single joystick * for each instance id
303  */
304  instance_id = driver->GetDeviceInstanceID(device_index);
305  while (joysticklist) {
306  if (instance_id == joysticklist->instance_id) {
307  joystick = joysticklist;
308  ++joystick->ref_count;
310  return joystick;
311  }
312  joysticklist = joysticklist->next;
313  }
314 
315  /* Create and initialize the joystick */
316  joystick = (SDL_Joystick *) SDL_calloc(sizeof(*joystick), 1);
317  if (joystick == NULL) {
318  SDL_OutOfMemory();
320  return NULL;
321  }
322  joystick->driver = driver;
323  joystick->instance_id = instance_id;
324  joystick->attached = SDL_TRUE;
325  joystick->player_index = -1;
326  joystick->epowerlevel = SDL_JOYSTICK_POWER_UNKNOWN;
327 
328  if (driver->Open(joystick, device_index) < 0) {
331  return NULL;
332  }
333 
334  joystickname = driver->GetDeviceName(device_index);
335  if (joystickname) {
336  joystick->name = SDL_strdup(joystickname);
337  } else {
338  joystick->name = NULL;
339  }
340 
341  joystick->guid = driver->GetDeviceGUID(device_index);
342 
343  if (joystick->naxes > 0) {
344  joystick->axes = (SDL_JoystickAxisInfo *) SDL_calloc(joystick->naxes, sizeof(SDL_JoystickAxisInfo));
345  }
346  if (joystick->nhats > 0) {
347  joystick->hats = (Uint8 *) SDL_calloc(joystick->nhats, sizeof(Uint8));
348  }
349  if (joystick->nballs > 0) {
350  joystick->balls = (struct balldelta *) SDL_calloc(joystick->nballs, sizeof(*joystick->balls));
351  }
352  if (joystick->nbuttons > 0) {
353  joystick->buttons = (Uint8 *) SDL_calloc(joystick->nbuttons, sizeof(Uint8));
354  }
355  if (((joystick->naxes > 0) && !joystick->axes)
356  || ((joystick->nhats > 0) && !joystick->hats)
357  || ((joystick->nballs > 0) && !joystick->balls)
358  || ((joystick->nbuttons > 0) && !joystick->buttons)) {
359  SDL_OutOfMemory();
360  SDL_JoystickClose(joystick);
362  return NULL;
363  }
364 
365  /* If this joystick is known to have all zero centered axes, skip the auto-centering code */
366  if (SDL_JoystickAxesCenteredAtZero(joystick)) {
367  int i;
368 
369  for (i = 0; i < joystick->naxes; ++i) {
370  joystick->axes[i].has_initial_value = SDL_TRUE;
371  }
372  }
373 
374  joystick->is_game_controller = SDL_IsGameController(device_index);
375 
376  /* Add joystick to list */
377  ++joystick->ref_count;
378  /* Link the joystick in the list */
379  joystick->next = SDL_joysticks;
380  SDL_joysticks = joystick;
381 
383 
384  driver->Update(joystick);
385 
386  return joystick;
387 }
388 
389 
390 /*
391  * Checks to make sure the joystick is valid.
392  */
393 int
394 SDL_PrivateJoystickValid(SDL_Joystick * joystick)
395 {
396  int valid;
397 
398  if (joystick == NULL) {
399  SDL_SetError("Joystick hasn't been opened yet");
400  valid = 0;
401  } else {
402  valid = 1;
403  }
404 
405  return valid;
406 }
407 
408 /*
409  * Get the number of multi-dimensional axis controls on a joystick
410  */
411 int
412 SDL_JoystickNumAxes(SDL_Joystick * joystick)
413 {
414  if (!SDL_PrivateJoystickValid(joystick)) {
415  return -1;
416  }
417  return joystick->naxes;
418 }
419 
420 /*
421  * Get the number of hats on a joystick
422  */
423 int
424 SDL_JoystickNumHats(SDL_Joystick * joystick)
425 {
426  if (!SDL_PrivateJoystickValid(joystick)) {
427  return -1;
428  }
429  return joystick->nhats;
430 }
431 
432 /*
433  * Get the number of trackballs on a joystick
434  */
435 int
436 SDL_JoystickNumBalls(SDL_Joystick * joystick)
437 {
438  if (!SDL_PrivateJoystickValid(joystick)) {
439  return -1;
440  }
441  return joystick->nballs;
442 }
443 
444 /*
445  * Get the number of buttons on a joystick
446  */
447 int
448 SDL_JoystickNumButtons(SDL_Joystick * joystick)
449 {
450  if (!SDL_PrivateJoystickValid(joystick)) {
451  return -1;
452  }
453  return joystick->nbuttons;
454 }
455 
456 /*
457  * Get the current state of an axis control on a joystick
458  */
459 Sint16
460 SDL_JoystickGetAxis(SDL_Joystick * joystick, int axis)
461 {
462  Sint16 state;
463 
464  if (!SDL_PrivateJoystickValid(joystick)) {
465  return 0;
466  }
467  if (axis < joystick->naxes) {
468  state = joystick->axes[axis].value;
469  } else {
470  SDL_SetError("Joystick only has %d axes", joystick->naxes);
471  state = 0;
472  }
473  return state;
474 }
475 
476 /*
477  * Get the initial state of an axis control on a joystick
478  */
479 SDL_bool
480 SDL_JoystickGetAxisInitialState(SDL_Joystick * joystick, int axis, Sint16 *state)
481 {
482  if (!SDL_PrivateJoystickValid(joystick)) {
483  return SDL_FALSE;
484  }
485  if (axis >= joystick->naxes) {
486  SDL_SetError("Joystick only has %d axes", joystick->naxes);
487  return SDL_FALSE;
488  }
489  if (state) {
490  *state = joystick->axes[axis].initial_value;
491  }
492  return joystick->axes[axis].has_initial_value;
493 }
494 
495 /*
496  * Get the current state of a hat on a joystick
497  */
498 Uint8
499 SDL_JoystickGetHat(SDL_Joystick * joystick, int hat)
500 {
501  Uint8 state;
502 
503  if (!SDL_PrivateJoystickValid(joystick)) {
504  return 0;
505  }
506  if (hat < joystick->nhats) {
507  state = joystick->hats[hat];
508  } else {
509  SDL_SetError("Joystick only has %d hats", joystick->nhats);
510  state = 0;
511  }
512  return state;
513 }
514 
515 /*
516  * Get the ball axis change since the last poll
517  */
518 int
519 SDL_JoystickGetBall(SDL_Joystick * joystick, int ball, int *dx, int *dy)
520 {
521  int retval;
522 
523  if (!SDL_PrivateJoystickValid(joystick)) {
524  return -1;
525  }
526 
527  retval = 0;
528  if (ball < joystick->nballs) {
529  if (dx) {
530  *dx = joystick->balls[ball].dx;
531  }
532  if (dy) {
533  *dy = joystick->balls[ball].dy;
534  }
535  joystick->balls[ball].dx = 0;
536  joystick->balls[ball].dy = 0;
537  } else {
538  return SDL_SetError("Joystick only has %d balls", joystick->nballs);
539  }
540  return retval;
541 }
542 
543 /*
544  * Get the current state of a button on a joystick
545  */
546 Uint8
547 SDL_JoystickGetButton(SDL_Joystick * joystick, int button)
548 {
549  Uint8 state;
550 
551  if (!SDL_PrivateJoystickValid(joystick)) {
552  return 0;
553  }
554  if (button < joystick->nbuttons) {
555  state = joystick->buttons[button];
556  } else {
557  SDL_SetError("Joystick only has %d buttons", joystick->nbuttons);
558  state = 0;
559  }
560  return state;
561 }
562 
563 /*
564  * Return if the joystick in question is currently attached to the system,
565  * \return SDL_FALSE if not plugged in, SDL_TRUE if still present.
566  */
567 SDL_bool
568 SDL_JoystickGetAttached(SDL_Joystick * joystick)
569 {
570  if (!SDL_PrivateJoystickValid(joystick)) {
571  return SDL_FALSE;
572  }
573 
574  return joystick->attached;
575 }
576 
577 /*
578  * Get the instance id for this opened joystick
579  */
581 SDL_JoystickInstanceID(SDL_Joystick * joystick)
582 {
583  if (!SDL_PrivateJoystickValid(joystick)) {
584  return -1;
585  }
586 
587  return joystick->instance_id;
588 }
589 
590 /*
591  * Find the SDL_Joystick that owns this instance id
592  */
593 SDL_Joystick *
595 {
596  SDL_Joystick *joystick;
597 
599  for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
600  if (joystick->instance_id == joyid) {
601  break;
602  }
603  }
605  return joystick;
606 }
607 
608 /*
609  * Get the friendly name of this joystick
610  */
611 const char *
612 SDL_JoystickName(SDL_Joystick * joystick)
613 {
614  if (!SDL_PrivateJoystickValid(joystick)) {
615  return NULL;
616  }
617 
618  return SDL_FixupJoystickName(joystick->name);
619 }
620 
621 int
622 SDL_JoystickGetPlayerIndex(SDL_Joystick * joystick)
623 {
624  if (!SDL_PrivateJoystickValid(joystick)) {
625  return -1;
626  }
627  return joystick->player_index;
628 }
629 
630 int
631 SDL_JoystickRumble(SDL_Joystick * joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
632 {
633  if (!SDL_PrivateJoystickValid(joystick)) {
634  return -1;
635  }
636  return joystick->driver->Rumble(joystick, low_frequency_rumble, high_frequency_rumble, duration_ms);
637 }
638 
639 /*
640  * Close a joystick previously opened with SDL_JoystickOpen()
641  */
642 void
643 SDL_JoystickClose(SDL_Joystick * joystick)
644 {
645  SDL_Joystick *joysticklist;
646  SDL_Joystick *joysticklistprev;
647 
648  if (!SDL_PrivateJoystickValid(joystick)) {
649  return;
650  }
651 
653 
654  /* First decrement ref count */
655  if (--joystick->ref_count > 0) {
657  return;
658  }
659 
660  if (SDL_updating_joystick) {
662  return;
663  }
664 
665  joystick->driver->Close(joystick);
666  joystick->hwdata = NULL;
667 
668  joysticklist = SDL_joysticks;
669  joysticklistprev = NULL;
670  while (joysticklist) {
671  if (joystick == joysticklist) {
672  if (joysticklistprev) {
673  /* unlink this entry */
674  joysticklistprev->next = joysticklist->next;
675  } else {
676  SDL_joysticks = joystick->next;
677  }
678  break;
679  }
680  joysticklistprev = joysticklist;
681  joysticklist = joysticklist->next;
682  }
683 
684  SDL_free(joystick->name);
685 
686  /* Free the data associated with this joystick */
687  SDL_free(joystick->axes);
688  SDL_free(joystick->hats);
689  SDL_free(joystick->balls);
690  SDL_free(joystick->buttons);
691  SDL_free(joystick);
692 
694 }
695 
696 void
698 {
699  int i;
700 
701  /* Make sure we're not getting called in the middle of updating joysticks */
703  while (SDL_updating_joystick) {
705  SDL_Delay(1);
707  }
708 
709  /* Stop the event polling */
710  while (SDL_joysticks) {
711  SDL_joysticks->ref_count = 1;
713  }
714 
715  /* Quit the joystick setup */
716  for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) {
717  SDL_joystick_drivers[i]->Quit();
718  }
719 
721 
722 #if !SDL_EVENTS_DISABLED
724 #endif
725 
728 
729  if (SDL_joystick_lock) {
733  }
734 
736 }
737 
738 
739 static SDL_bool
741 {
743  return SDL_FALSE;
744  }
745 
746  if (SDL_HasWindows() && SDL_GetKeyboardFocus() == NULL) {
747  /* We have windows but we don't have focus, ignore the event. */
748  return SDL_TRUE;
749  }
750  return SDL_FALSE;
751 }
752 
753 /* These are global for SDL_sysjoystick.c and SDL_events.c */
754 
756 {
757 #if !SDL_EVENTS_DISABLED
759  int device_index;
760 
761  device_index = SDL_JoystickGetDeviceIndexFromInstanceID(device_instance);
762  if (device_index < 0) {
763  return;
764  }
765 
766  event.type = SDL_JOYDEVICEADDED;
767 
768  if (SDL_GetEventState(event.type) == SDL_ENABLE) {
769  event.jdevice.which = device_index;
771  }
772 #endif /* !SDL_EVENTS_DISABLED */
773 }
774 
775 /*
776  * If there is an existing add event in the queue, it needs to be modified
777  * to have the right value for which, because the number of controllers in
778  * the system is now one less.
779  */
781 {
782  int i, num_events;
783  SDL_Event *events;
784  SDL_bool isstack;
785 
787  if (num_events <= 0) {
788  return;
789  }
790 
791  events = SDL_small_alloc(SDL_Event, num_events, &isstack);
792  if (!events) {
793  return;
794  }
795 
797  for (i = 0; i < num_events; ++i) {
798  --events[i].jdevice.which;
799  }
800  SDL_PeepEvents(events, num_events, SDL_ADDEVENT, 0, 0);
801 
802  SDL_small_free(events, isstack);
803 }
804 
806 {
807  SDL_Joystick *joystick;
808 
809 #if !SDL_EVENTS_DISABLED
811 
812  event.type = SDL_JOYDEVICEREMOVED;
813 
814  if (SDL_GetEventState(event.type) == SDL_ENABLE) {
815  event.jdevice.which = device_instance;
817  }
818 
820 #endif /* !SDL_EVENTS_DISABLED */
821 
822  /* Mark this joystick as no longer attached */
823  for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
824  if (joystick->instance_id == device_instance) {
825  joystick->attached = SDL_FALSE;
826  joystick->force_recentering = SDL_TRUE;
827  break;
828  }
829  }
830 }
831 
832 int
833 SDL_PrivateJoystickAxis(SDL_Joystick * joystick, Uint8 axis, Sint16 value)
834 {
835  int posted;
836 
837  /* Make sure we're not getting garbage or duplicate events */
838  if (axis >= joystick->naxes) {
839  return 0;
840  }
841  if (!joystick->axes[axis].has_initial_value) {
842  joystick->axes[axis].initial_value = value;
843  joystick->axes[axis].value = value;
844  joystick->axes[axis].zero = value;
845  joystick->axes[axis].has_initial_value = SDL_TRUE;
846  }
847  if (value == joystick->axes[axis].value) {
848  return 0;
849  }
850  if (!joystick->axes[axis].sent_initial_value) {
851  /* Make sure we don't send motion until there's real activity on this axis */
852  const int MAX_ALLOWED_JITTER = SDL_JOYSTICK_AXIS_MAX / 80; /* ShanWan PS3 controller needed 96 */
853  if (SDL_abs(value - joystick->axes[axis].value) <= MAX_ALLOWED_JITTER) {
854  return 0;
855  }
856  joystick->axes[axis].sent_initial_value = SDL_TRUE;
857  joystick->axes[axis].value = value; /* Just so we pass the check above */
858  SDL_PrivateJoystickAxis(joystick, axis, joystick->axes[axis].initial_value);
859  }
860 
861  /* We ignore events if we don't have keyboard focus, except for centering
862  * events.
863  */
865  if ((value > joystick->axes[axis].zero && value >= joystick->axes[axis].value) ||
866  (value < joystick->axes[axis].zero && value <= joystick->axes[axis].value)) {
867  return 0;
868  }
869  }
870 
871  /* Update internal joystick state */
872  joystick->axes[axis].value = value;
873 
874  /* Post the event, if desired */
875  posted = 0;
876 #if !SDL_EVENTS_DISABLED
879  event.type = SDL_JOYAXISMOTION;
880  event.jaxis.which = joystick->instance_id;
881  event.jaxis.axis = axis;
882  event.jaxis.value = value;
883  posted = SDL_PushEvent(&event) == 1;
884  }
885 #endif /* !SDL_EVENTS_DISABLED */
886  return posted;
887 }
888 
889 int
890 SDL_PrivateJoystickHat(SDL_Joystick * joystick, Uint8 hat, Uint8 value)
891 {
892  int posted;
893 
894  /* Make sure we're not getting garbage or duplicate events */
895  if (hat >= joystick->nhats) {
896  return 0;
897  }
898  if (value == joystick->hats[hat]) {
899  return 0;
900  }
901 
902  /* We ignore events if we don't have keyboard focus, except for centering
903  * events.
904  */
906  if (value != SDL_HAT_CENTERED) {
907  return 0;
908  }
909  }
910 
911  /* Update internal joystick state */
912  joystick->hats[hat] = value;
913 
914  /* Post the event, if desired */
915  posted = 0;
916 #if !SDL_EVENTS_DISABLED
919  event.jhat.type = SDL_JOYHATMOTION;
920  event.jhat.which = joystick->instance_id;
921  event.jhat.hat = hat;
922  event.jhat.value = value;
923  posted = SDL_PushEvent(&event) == 1;
924  }
925 #endif /* !SDL_EVENTS_DISABLED */
926  return posted;
927 }
928 
929 int
930 SDL_PrivateJoystickBall(SDL_Joystick * joystick, Uint8 ball,
931  Sint16 xrel, Sint16 yrel)
932 {
933  int posted;
934 
935  /* Make sure we're not getting garbage events */
936  if (ball >= joystick->nballs) {
937  return 0;
938  }
939 
940  /* We ignore events if we don't have keyboard focus. */
942  return 0;
943  }
944 
945  /* Update internal mouse state */
946  joystick->balls[ball].dx += xrel;
947  joystick->balls[ball].dy += yrel;
948 
949  /* Post the event, if desired */
950  posted = 0;
951 #if !SDL_EVENTS_DISABLED
954  event.jball.type = SDL_JOYBALLMOTION;
955  event.jball.which = joystick->instance_id;
956  event.jball.ball = ball;
957  event.jball.xrel = xrel;
958  event.jball.yrel = yrel;
959  posted = SDL_PushEvent(&event) == 1;
960  }
961 #endif /* !SDL_EVENTS_DISABLED */
962  return posted;
963 }
964 
965 int
967 {
968  int posted;
969 #if !SDL_EVENTS_DISABLED
971 
972  switch (state) {
973  case SDL_PRESSED:
974  event.type = SDL_JOYBUTTONDOWN;
975  break;
976  case SDL_RELEASED:
977  event.type = SDL_JOYBUTTONUP;
978  break;
979  default:
980  /* Invalid state -- bail */
981  return 0;
982  }
983 #endif /* !SDL_EVENTS_DISABLED */
984 
985  /* Make sure we're not getting garbage or duplicate events */
986  if (button >= joystick->nbuttons) {
987  return 0;
988  }
989  if (state == joystick->buttons[button]) {
990  return 0;
991  }
992 
993  /* We ignore events if we don't have keyboard focus, except for button
994  * release. */
996  if (state == SDL_PRESSED) {
997  return 0;
998  }
999  }
1000 
1001  /* Update internal joystick state */
1002  joystick->buttons[button] = state;
1003 
1004  /* Post the event, if desired */
1005  posted = 0;
1006 #if !SDL_EVENTS_DISABLED
1007  if (SDL_GetEventState(event.type) == SDL_ENABLE) {
1008  event.jbutton.which = joystick->instance_id;
1009  event.jbutton.button = button;
1010  event.jbutton.state = state;
1011  posted = SDL_PushEvent(&event) == 1;
1012  }
1013 #endif /* !SDL_EVENTS_DISABLED */
1014  return posted;
1015 }
1016 
1017 void
1019 {
1020  int i;
1021  SDL_Joystick *joystick;
1022 
1024  return;
1025  }
1026 
1028 
1029  if (SDL_updating_joystick) {
1030  /* The joysticks are already being updated */
1032  return;
1033  }
1034 
1036 
1037  /* Make sure the list is unlocked while dispatching events to prevent application deadlocks */
1039 
1040  for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
1041  if (joystick->attached) {
1042  /* This should always be true, but seeing a crash in the wild...? */
1043  if (joystick->driver) {
1044  joystick->driver->Update(joystick);
1045  }
1046 
1047  if (joystick->delayed_guide_button) {
1049  }
1050  }
1051 
1052  if (joystick->force_recentering) {
1053  /* Tell the app that everything is centered/unpressed... */
1054  for (i = 0; i < joystick->naxes; i++) {
1055  if (joystick->axes[i].has_initial_value) {
1056  SDL_PrivateJoystickAxis(joystick, i, joystick->axes[i].zero);
1057  }
1058  }
1059 
1060  for (i = 0; i < joystick->nbuttons; i++) {
1061  SDL_PrivateJoystickButton(joystick, i, 0);
1062  }
1063 
1064  for (i = 0; i < joystick->nhats; i++) {
1066  }
1067 
1068  joystick->force_recentering = SDL_FALSE;
1069  }
1070  }
1071 
1073 
1075 
1076  /* If any joysticks were closed while updating, free them here */
1077  for (joystick = SDL_joysticks; joystick; joystick = joystick->next) {
1078  if (joystick->ref_count <= 0) {
1079  SDL_JoystickClose(joystick);
1080  }
1081  }
1082 
1083  /* this needs to happen AFTER walking the joystick list above, so that any
1084  dangling hardware data from removed devices can be free'd
1085  */
1086  for (i = 0; i < SDL_arraysize(SDL_joystick_drivers); ++i) {
1087  SDL_joystick_drivers[i]->Detect();
1088  }
1089 
1091 }
1092 
1093 int
1095 {
1096 #if SDL_EVENTS_DISABLED
1097  return SDL_DISABLE;
1098 #else
1099  const Uint32 event_list[] = {
1102  };
1103  unsigned int i;
1104 
1105  switch (state) {
1106  case SDL_QUERY:
1107  state = SDL_DISABLE;
1108  for (i = 0; i < SDL_arraysize(event_list); ++i) {
1109  state = SDL_EventState(event_list[i], SDL_QUERY);
1110  if (state == SDL_ENABLE) {
1111  break;
1112  }
1113  }
1114  break;
1115  default:
1116  for (i = 0; i < SDL_arraysize(event_list); ++i) {
1117  SDL_EventState(event_list[i], state);
1118  }
1119  break;
1120  }
1121  return state;
1122 #endif /* SDL_EVENTS_DISABLED */
1123 }
1124 
1125 void SDL_GetJoystickGUIDInfo(SDL_JoystickGUID guid, Uint16 *vendor, Uint16 *product, Uint16 *version)
1126 {
1127  Uint16 *guid16 = (Uint16 *)guid.data;
1128 
1129  /* If the GUID fits the form of BUS 0000 VENDOR 0000 PRODUCT 0000, return the data */
1130  if (/* guid16[0] is device bus type */
1131  guid16[1] == 0x0000 &&
1132  /* guid16[2] is vendor ID */
1133  guid16[3] == 0x0000 &&
1134  /* guid16[4] is product ID */
1135  guid16[5] == 0x0000
1136  /* guid16[6] is product version */
1137  ) {
1138  if (vendor) {
1139  *vendor = guid16[2];
1140  }
1141  if (product) {
1142  *product = guid16[4];
1143  }
1144  if (version) {
1145  *version = guid16[6];
1146  }
1147  } else {
1148  if (vendor) {
1149  *vendor = 0;
1150  }
1151  if (product) {
1152  *product = 0;
1153  }
1154  if (version) {
1155  *version = 0;
1156  }
1157  }
1158 }
1159 
1160 SDL_bool
1162 {
1163  return (GuessControllerType(vendor, product) == k_eControllerType_PS4Controller);
1164 }
1165 
1166 SDL_bool
1168 {
1169  EControllerType eType = GuessControllerType(vendor, product);
1170  return (eType == k_eControllerType_SwitchProController ||
1172 }
1173 
1174 SDL_bool
1176 {
1177  EControllerType eType = GuessControllerType(vendor, product);
1178  return (eType == k_eControllerType_SteamController ||
1180 }
1181 
1182 SDL_bool
1184 {
1185  /* Filter out some bogus values here */
1186  if (vendor == 0x0000 && product == 0x0000) {
1187  return SDL_FALSE;
1188  }
1189  if (vendor == 0x0001 && product == 0x0001) {
1190  return SDL_FALSE;
1191  }
1192  return (GuessControllerType(vendor, product) == k_eControllerType_XBox360Controller);
1193 }
1194 
1195 SDL_bool
1197 {
1198  return (GuessControllerType(vendor, product) == k_eControllerType_XBoxOneController);
1199 }
1200 
1201 SDL_bool
1203 {
1204  return (guid.data[14] == 'x') ? SDL_TRUE : SDL_FALSE;
1205 }
1206 
1207 SDL_bool
1209 {
1210  return (guid.data[14] == 'h') ? SDL_TRUE : SDL_FALSE;
1211 }
1212 
1214 {
1215  static Uint32 wheel_joysticks[] = {
1216  MAKE_VIDPID(0x046d, 0xc294), /* Logitech generic wheel */
1217  MAKE_VIDPID(0x046d, 0xc295), /* Logitech Momo Force */
1218  MAKE_VIDPID(0x046d, 0xc298), /* Logitech Driving Force Pro */
1219  MAKE_VIDPID(0x046d, 0xc299), /* Logitech G25 */
1220  MAKE_VIDPID(0x046d, 0xc29a), /* Logitech Driving Force GT */
1221  MAKE_VIDPID(0x046d, 0xc29b), /* Logitech G27 */
1222  MAKE_VIDPID(0x046d, 0xc261), /* Logitech G920 (initial mode) */
1223  MAKE_VIDPID(0x046d, 0xc262), /* Logitech G920 (active mode) */
1224  MAKE_VIDPID(0x044f, 0xb65d), /* Thrustmaster Wheel FFB */
1225  MAKE_VIDPID(0x044f, 0xb66d), /* Thrustmaster Wheel FFB */
1226  MAKE_VIDPID(0x044f, 0xb677), /* Thrustmaster T150 */
1227  MAKE_VIDPID(0x044f, 0xb664), /* Thrustmaster TX (initial mode) */
1228  MAKE_VIDPID(0x044f, 0xb669), /* Thrustmaster TX (active mode) */
1229  };
1230  int i;
1231 
1232  for (i = 0; i < SDL_arraysize(wheel_joysticks); ++i) {
1233  if (vidpid == wheel_joysticks[i]) {
1234  return SDL_TRUE;
1235  }
1236  }
1237  return SDL_FALSE;
1238 }
1239 
1241 {
1242  static Uint32 flightstick_joysticks[] = {
1243  MAKE_VIDPID(0x044f, 0x0402), /* HOTAS Warthog Joystick */
1244  MAKE_VIDPID(0x0738, 0x2221), /* Saitek Pro Flight X-56 Rhino Stick */
1245  };
1246  int i;
1247 
1248  for (i = 0; i < SDL_arraysize(flightstick_joysticks); ++i) {
1249  if (vidpid == flightstick_joysticks[i]) {
1250  return SDL_TRUE;
1251  }
1252  }
1253  return SDL_FALSE;
1254 }
1255 
1257 {
1258  static Uint32 throttle_joysticks[] = {
1259  MAKE_VIDPID(0x044f, 0x0404), /* HOTAS Warthog Throttle */
1260  MAKE_VIDPID(0x0738, 0xa221), /* Saitek Pro Flight X-56 Rhino Throttle */
1261  };
1262  int i;
1263 
1264  for (i = 0; i < SDL_arraysize(throttle_joysticks); ++i) {
1265  if (vidpid == throttle_joysticks[i]) {
1266  return SDL_TRUE;
1267  }
1268  }
1269  return SDL_FALSE;
1270 }
1271 
1273 {
1274  Uint16 vendor;
1275  Uint16 product;
1276  Uint32 vidpid;
1277 
1278  if (SDL_IsJoystickXInput(guid)) {
1279  /* XInput GUID, get the type based on the XInput device subtype */
1280  switch (guid.data[15]) {
1281  case 0x01: /* XINPUT_DEVSUBTYPE_GAMEPAD */
1283  case 0x02: /* XINPUT_DEVSUBTYPE_WHEEL */
1284  return SDL_JOYSTICK_TYPE_WHEEL;
1285  case 0x03: /* XINPUT_DEVSUBTYPE_ARCADE_STICK */
1287  case 0x04: /* XINPUT_DEVSUBTYPE_FLIGHT_STICK */
1289  case 0x05: /* XINPUT_DEVSUBTYPE_DANCE_PAD */
1291  case 0x06: /* XINPUT_DEVSUBTYPE_GUITAR */
1292  case 0x07: /* XINPUT_DEVSUBTYPE_GUITAR_ALTERNATE */
1293  case 0x0B: /* XINPUT_DEVSUBTYPE_GUITAR_BASS */
1294  return SDL_JOYSTICK_TYPE_GUITAR;
1295  case 0x08: /* XINPUT_DEVSUBTYPE_DRUM_KIT */
1297  case 0x13: /* XINPUT_DEVSUBTYPE_ARCADE_PAD */
1299  default:
1301  }
1302  }
1303 
1304  SDL_GetJoystickGUIDInfo(guid, &vendor, &product, NULL);
1305  vidpid = MAKE_VIDPID(vendor, product);
1306 
1307  if (SDL_IsJoystickProductWheel(vidpid)) {
1308  return SDL_JOYSTICK_TYPE_WHEEL;
1309  }
1310 
1311  if (SDL_IsJoystickProductFlightStick(vidpid)) {
1313  }
1314 
1315  if (SDL_IsJoystickProductThrottle(vidpid)) {
1317  }
1318 
1321  }
1322 
1324 }
1325 
1327 {
1328 #ifdef __WIN32__
1329  const char *mapper_processes[] = {
1330  "DS4Windows.exe",
1331  "InputMapper.exe",
1332  };
1333  int i;
1334  PROCESSENTRY32 pe32;
1335  SDL_bool found = SDL_FALSE;
1336 
1337  /* Take a snapshot of all processes in the system */
1338  HANDLE hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
1339  if (hProcessSnap != INVALID_HANDLE_VALUE) {
1340  pe32.dwSize = sizeof(PROCESSENTRY32);
1341  if (Process32First(hProcessSnap, &pe32)) {
1342  do
1343  {
1344  for (i = 0; i < SDL_arraysize(mapper_processes); ++i) {
1345  if (SDL_strcasecmp(pe32.szExeFile, mapper_processes[i]) == 0) {
1346  found = SDL_TRUE;
1347  }
1348  }
1349  } while (Process32Next(hProcessSnap, &pe32) && !found);
1350  }
1351  CloseHandle(hProcessSnap);
1352  }
1353  return found;
1354 #else
1355  return SDL_FALSE;
1356 #endif
1357 }
1358 
1360 {
1361  /* This list is taken from:
1362  https://raw.githubusercontent.com/denilsonsa/udev-joystick-blacklist/master/generate_rules.py
1363  */
1364  static Uint32 joystick_blacklist[] = {
1365  /* Microsoft Microsoft Wireless Optical Desktop® 2.10 */
1366  /* Microsoft Wireless Desktop - Comfort Edition */
1367  MAKE_VIDPID(0x045e, 0x009d),
1368 
1369  /* Microsoft Microsoft® Digital Media Pro Keyboard */
1370  /* Microsoft Corp. Digital Media Pro Keyboard */
1371  MAKE_VIDPID(0x045e, 0x00b0),
1372 
1373  /* Microsoft Microsoft® Digital Media Keyboard */
1374  /* Microsoft Corp. Digital Media Keyboard 1.0A */
1375  MAKE_VIDPID(0x045e, 0x00b4),
1376 
1377  /* Microsoft Microsoft® Digital Media Keyboard 3000 */
1378  MAKE_VIDPID(0x045e, 0x0730),
1379 
1380  /* Microsoft Microsoft® 2.4GHz Transceiver v6.0 */
1381  /* Microsoft Microsoft® 2.4GHz Transceiver v8.0 */
1382  /* Microsoft Corp. Nano Transceiver v1.0 for Bluetooth */
1383  /* Microsoft Wireless Mobile Mouse 1000 */
1384  /* Microsoft Wireless Desktop 3000 */
1385  MAKE_VIDPID(0x045e, 0x0745),
1386 
1387  /* Microsoft® SideWinder(TM) 2.4GHz Transceiver */
1388  MAKE_VIDPID(0x045e, 0x0748),
1389 
1390  /* Microsoft Corp. Wired Keyboard 600 */
1391  MAKE_VIDPID(0x045e, 0x0750),
1392 
1393  /* Microsoft Corp. Sidewinder X4 keyboard */
1394  MAKE_VIDPID(0x045e, 0x0768),
1395 
1396  /* Microsoft Corp. Arc Touch Mouse Transceiver */
1397  MAKE_VIDPID(0x045e, 0x0773),
1398 
1399  /* Microsoft® 2.4GHz Transceiver v9.0 */
1400  /* Microsoft® Nano Transceiver v2.1 */
1401  /* Microsoft Sculpt Ergonomic Keyboard (5KV-00001) */
1402  MAKE_VIDPID(0x045e, 0x07a5),
1403 
1404  /* Microsoft® Nano Transceiver v1.0 */
1405  /* Microsoft Wireless Keyboard 800 */
1406  MAKE_VIDPID(0x045e, 0x07b2),
1407 
1408  /* Microsoft® Nano Transceiver v2.0 */
1409  MAKE_VIDPID(0x045e, 0x0800),
1410 
1411  MAKE_VIDPID(0x046d, 0xc30a), /* Logitech, Inc. iTouch Composite keboard */
1412 
1413  MAKE_VIDPID(0x04d9, 0xa0df), /* Tek Syndicate Mouse (E-Signal USB Gaming Mouse) */
1414 
1415  /* List of Wacom devices at: http://linuxwacom.sourceforge.net/wiki/index.php/Device_IDs */
1416  MAKE_VIDPID(0x056a, 0x0010), /* Wacom ET-0405 Graphire */
1417  MAKE_VIDPID(0x056a, 0x0011), /* Wacom ET-0405A Graphire2 (4x5) */
1418  MAKE_VIDPID(0x056a, 0x0012), /* Wacom ET-0507A Graphire2 (5x7) */
1419  MAKE_VIDPID(0x056a, 0x0013), /* Wacom CTE-430 Graphire3 (4x5) */
1420  MAKE_VIDPID(0x056a, 0x0014), /* Wacom CTE-630 Graphire3 (6x8) */
1421  MAKE_VIDPID(0x056a, 0x0015), /* Wacom CTE-440 Graphire4 (4x5) */
1422  MAKE_VIDPID(0x056a, 0x0016), /* Wacom CTE-640 Graphire4 (6x8) */
1423  MAKE_VIDPID(0x056a, 0x0017), /* Wacom CTE-450 Bamboo Fun (4x5) */
1424  MAKE_VIDPID(0x056a, 0x0018), /* Wacom CTE-650 Bamboo Fun 6x8 */
1425  MAKE_VIDPID(0x056a, 0x0019), /* Wacom CTE-631 Bamboo One */
1426  MAKE_VIDPID(0x056a, 0x00d1), /* Wacom Bamboo Pen and Touch CTH-460 */
1427  MAKE_VIDPID(0x056a, 0x030e), /* Wacom Intuos Pen (S) CTL-480 */
1428 
1429  MAKE_VIDPID(0x09da, 0x054f), /* A4 Tech Co., G7 750 mouse */
1430  MAKE_VIDPID(0x09da, 0x1410), /* A4 Tech Co., Ltd Bloody AL9 mouse */
1431  MAKE_VIDPID(0x09da, 0x3043), /* A4 Tech Co., Ltd Bloody R8A Gaming Mouse */
1432  MAKE_VIDPID(0x09da, 0x31b5), /* A4 Tech Co., Ltd Bloody TL80 Terminator Laser Gaming Mouse */
1433  MAKE_VIDPID(0x09da, 0x3997), /* A4 Tech Co., Ltd Bloody RT7 Terminator Wireless */
1434  MAKE_VIDPID(0x09da, 0x3f8b), /* A4 Tech Co., Ltd Bloody V8 mouse */
1435  MAKE_VIDPID(0x09da, 0x51f4), /* Modecom MC-5006 Keyboard */
1436  MAKE_VIDPID(0x09da, 0x5589), /* A4 Tech Co., Ltd Terminator TL9 Laser Gaming Mouse */
1437  MAKE_VIDPID(0x09da, 0x7b22), /* A4 Tech Co., Ltd Bloody V5 */
1438  MAKE_VIDPID(0x09da, 0x7f2d), /* A4 Tech Co., Ltd Bloody R3 mouse */
1439  MAKE_VIDPID(0x09da, 0x8090), /* A4 Tech Co., Ltd X-718BK Oscar Optical Gaming Mouse */
1440  MAKE_VIDPID(0x09da, 0x9033), /* A4 Tech Co., X7 X-705K */
1441  MAKE_VIDPID(0x09da, 0x9066), /* A4 Tech Co., Sharkoon Fireglider Optical */
1442  MAKE_VIDPID(0x09da, 0x9090), /* A4 Tech Co., Ltd XL-730K / XL-750BK / XL-755BK Laser Mouse */
1443  MAKE_VIDPID(0x09da, 0x90c0), /* A4 Tech Co., Ltd X7 G800V keyboard */
1444  MAKE_VIDPID(0x09da, 0xf012), /* A4 Tech Co., Ltd Bloody V7 mouse */
1445  MAKE_VIDPID(0x09da, 0xf32a), /* A4 Tech Co., Ltd Bloody B540 keyboard */
1446  MAKE_VIDPID(0x09da, 0xf613), /* A4 Tech Co., Ltd Bloody V2 mouse */
1447  MAKE_VIDPID(0x09da, 0xf624), /* A4 Tech Co., Ltd Bloody B120 Keyboard */
1448 
1449  MAKE_VIDPID(0x1b1c, 0x1b3c), /* Corsair Harpoon RGB gaming mouse */
1450 
1451  MAKE_VIDPID(0x1d57, 0xad03), /* [T3] 2.4GHz and IR Air Mouse Remote Control */
1452 
1453  MAKE_VIDPID(0x1e7d, 0x2e4a), /* Roccat Tyon Mouse */
1454 
1455  MAKE_VIDPID(0x20a0, 0x422d), /* Winkeyless.kr Keyboards */
1456 
1457  MAKE_VIDPID(0x2516, 0x001f), /* Cooler Master Storm Mizar Mouse */
1458  MAKE_VIDPID(0x2516, 0x0028), /* Cooler Master Storm Alcor Mouse */
1459  };
1460 
1461  unsigned int i;
1462  Uint32 id;
1463  Uint16 vendor;
1464  Uint16 product;
1465 
1466  SDL_GetJoystickGUIDInfo(guid, &vendor, &product, NULL);
1467 
1468  /* Check the joystick blacklist */
1469  id = MAKE_VIDPID(vendor, product);
1470  for (i = 0; i < SDL_arraysize(joystick_blacklist); ++i) {
1471  if (id == joystick_blacklist[i]) {
1472  return SDL_TRUE;
1473  }
1474  }
1475 
1476  if (SDL_IsJoystickPS4(vendor, product) && SDL_IsPS4RemapperRunning()) {
1477  return SDL_TRUE;
1478  }
1479 
1482  return SDL_TRUE;
1483  }
1484 
1485  return SDL_FALSE;
1486 }
1487 
1488 /* return the guid for this index */
1490 {
1491  SDL_JoystickDriver *driver;
1492  SDL_JoystickGUID guid;
1493 
1495  if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) {
1496  guid = driver->GetDeviceGUID(device_index);
1497  } else {
1498  SDL_zero(guid);
1499  }
1501 
1502  return guid;
1503 }
1504 
1506 {
1507  Uint16 vendor;
1508  SDL_JoystickGUID guid = SDL_JoystickGetDeviceGUID(device_index);
1509 
1510  SDL_GetJoystickGUIDInfo(guid, &vendor, NULL, NULL);
1511  return vendor;
1512 }
1513 
1515 {
1516  Uint16 product;
1517  SDL_JoystickGUID guid = SDL_JoystickGetDeviceGUID(device_index);
1518 
1519  SDL_GetJoystickGUIDInfo(guid, NULL, &product, NULL);
1520  return product;
1521 }
1522 
1524 {
1525  Uint16 version;
1526  SDL_JoystickGUID guid = SDL_JoystickGetDeviceGUID(device_index);
1527 
1528  SDL_GetJoystickGUIDInfo(guid, NULL, NULL, &version);
1529  return version;
1530 }
1531 
1533 {
1535  SDL_JoystickGUID guid = SDL_JoystickGetDeviceGUID(device_index);
1536 
1537  type = SDL_GetJoystickGUIDType(guid);
1539  if (SDL_IsGameController(device_index)) {
1541  }
1542  }
1543  return type;
1544 }
1545 
1547 {
1548  SDL_JoystickDriver *driver;
1549  SDL_JoystickID instance_id = -1;
1550 
1552  if (SDL_GetDriverAndJoystickIndex(device_index, &driver, &device_index)) {
1553  instance_id = driver->GetDeviceInstanceID(device_index);
1554  }
1556 
1557  return instance_id;
1558 }
1559 
1561 {
1562  int i, num_joysticks, device_index = -1;
1563 
1565  num_joysticks = SDL_NumJoysticks();
1566  for (i = 0; i < num_joysticks; ++i) {
1567  if (SDL_JoystickGetDeviceInstanceID(i) == instance_id) {
1568  device_index = i;
1569  break;
1570  }
1571  }
1573 
1574  return device_index;
1575 }
1576 
1577 SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick * joystick)
1578 {
1579  if (!SDL_PrivateJoystickValid(joystick)) {
1580  SDL_JoystickGUID emptyGUID;
1581  SDL_zero(emptyGUID);
1582  return emptyGUID;
1583  }
1584  return joystick->guid;
1585 }
1586 
1587 Uint16 SDL_JoystickGetVendor(SDL_Joystick * joystick)
1588 {
1589  Uint16 vendor;
1590  SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
1591 
1592  SDL_GetJoystickGUIDInfo(guid, &vendor, NULL, NULL);
1593  return vendor;
1594 }
1595 
1596 Uint16 SDL_JoystickGetProduct(SDL_Joystick * joystick)
1597 {
1598  Uint16 product;
1599  SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
1600 
1601  SDL_GetJoystickGUIDInfo(guid, NULL, &product, NULL);
1602  return product;
1603 }
1604 
1605 Uint16 SDL_JoystickGetProductVersion(SDL_Joystick * joystick)
1606 {
1607  Uint16 version;
1608  SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
1609 
1610  SDL_GetJoystickGUIDInfo(guid, NULL, NULL, &version);
1611  return version;
1612 }
1613 
1614 SDL_JoystickType SDL_JoystickGetType(SDL_Joystick * joystick)
1615 {
1617  SDL_JoystickGUID guid = SDL_JoystickGetGUID(joystick);
1618 
1619  type = SDL_GetJoystickGUIDType(guid);
1621  if (joystick && joystick->is_game_controller) {
1623  }
1624  }
1625  return type;
1626 }
1627 
1628 /* convert the guid to a printable string */
1629 void SDL_JoystickGetGUIDString(SDL_JoystickGUID guid, char *pszGUID, int cbGUID)
1630 {
1631  static const char k_rgchHexToASCII[] = "0123456789abcdef";
1632  int i;
1633 
1634  if ((pszGUID == NULL) || (cbGUID <= 0)) {
1635  return;
1636  }
1637 
1638  for (i = 0; i < sizeof(guid.data) && i < (cbGUID-1)/2; i++) {
1639  /* each input byte writes 2 ascii chars, and might write a null byte. */
1640  /* If we don't have room for next input byte, stop */
1641  unsigned char c = guid.data[i];
1642 
1643  *pszGUID++ = k_rgchHexToASCII[c >> 4];
1644  *pszGUID++ = k_rgchHexToASCII[c & 0x0F];
1645  }
1646  *pszGUID = '\0';
1647 }
1648 
1649 /*-----------------------------------------------------------------------------
1650  * Purpose: Returns the 4 bit nibble for a hex character
1651  * Input : c -
1652  * Output : unsigned char
1653  *-----------------------------------------------------------------------------*/
1654 static unsigned char nibble(char c)
1655 {
1656  if ((c >= '0') && (c <= '9')) {
1657  return (unsigned char)(c - '0');
1658  }
1659 
1660  if ((c >= 'A') && (c <= 'F')) {
1661  return (unsigned char)(c - 'A' + 0x0a);
1662  }
1663 
1664  if ((c >= 'a') && (c <= 'f')) {
1665  return (unsigned char)(c - 'a' + 0x0a);
1666  }
1667 
1668  /* received an invalid character, and no real way to return an error */
1669  /* AssertMsg1(false, "Q_nibble invalid hex character '%c' ", c); */
1670  return 0;
1671 }
1672 
1673 /* convert the string version of a joystick guid to the struct */
1675 {
1676  SDL_JoystickGUID guid;
1677  int maxoutputbytes= sizeof(guid);
1678  size_t len = SDL_strlen(pchGUID);
1679  Uint8 *p;
1680  size_t i;
1681 
1682  /* Make sure it's even */
1683  len = (len) & ~0x1;
1684 
1685  SDL_memset(&guid, 0x00, sizeof(guid));
1686 
1687  p = (Uint8 *)&guid;
1688  for (i = 0; (i < len) && ((p - (Uint8 *)&guid) < maxoutputbytes); i+=2, p++) {
1689  *p = (nibble(pchGUID[i]) << 4) | nibble(pchGUID[i+1]);
1690  }
1691 
1692  return guid;
1693 }
1694 
1695 /* update the power level for this joystick */
1696 void SDL_PrivateJoystickBatteryLevel(SDL_Joystick * joystick, SDL_JoystickPowerLevel ePowerLevel)
1697 {
1698  joystick->epowerlevel = ePowerLevel;
1699 }
1700 
1701 /* return its power level */
1703 {
1704  if (!SDL_PrivateJoystickValid(joystick)) {
1706  }
1707  return joystick->epowerlevel;
1708 }
1709 
1710 /* vi: set ts=4 sw=4 expandtab: */
SDL.h
SDL_zero
#define SDL_zero(x)
Definition: SDL_stdinc.h:416
SDL_JoystickEventState
int SDL_JoystickEventState(int state)
Definition: SDL_joystick.c:1094
SDL_JOYSTICK_TYPE_GAMECONTROLLER
@ SDL_JOYSTICK_TYPE_GAMECONTROLLER
Definition: SDL_joystick.h:86
SDL_ShouldIgnoreJoystick
SDL_bool SDL_ShouldIgnoreJoystick(const char *name, SDL_JoystickGUID guid)
Definition: SDL_joystick.c:1359
SDL_IsJoystickHIDAPI
SDL_bool SDL_IsJoystickHIDAPI(SDL_JoystickGUID guid)
Definition: SDL_joystick.c:1208
k_eControllerType_SteamController
@ k_eControllerType_SteamController
Definition: controller_type.h:42
SDL_memset
#define SDL_memset
Definition: SDL_dynapi_overrides.h:386
c
const GLubyte * c
Definition: SDL_opengl_glext.h:11093
SDL_JoystickGetDeviceType
SDL_JoystickType SDL_JoystickGetDeviceType(int device_index)
Definition: SDL_joystick.c:1532
Uint32
uint32_t Uint32
Definition: SDL_stdinc.h:203
k_eControllerType_SwitchInputOnlyController
@ k_eControllerType_SwitchInputOnlyController
Definition: controller_type.h:58
SDL_events.h
SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS
#define SDL_HINT_JOYSTICK_ALLOW_BACKGROUND_EVENTS
A variable that lets you enable joystick (and gamecontroller) events even when your app is in the bac...
Definition: SDL_hints.h:496
SDL_small_free
#define SDL_small_free(ptr, isstack)
Definition: SDL_internal.h:40
SDL_JoystickNumButtons
int SDL_JoystickNumButtons(SDL_Joystick *joystick)
Definition: SDL_joystick.c:448
SDL_IsGameController
#define SDL_IsGameController
Definition: SDL_dynapi_overrides.h:138
SDL_JoystickGetGUIDString
void SDL_JoystickGetGUIDString(SDL_JoystickGUID guid, char *pszGUID, int cbGUID)
Definition: SDL_joystick.c:1629
SDL_sysjoystick.h
SDL_abs
#define SDL_abs
Definition: SDL_dynapi_overrides.h:381
SDL_JoystickAxesCenteredAtZero
static SDL_bool SDL_JoystickAxesCenteredAtZero(SDL_Joystick *joystick)
Definition: SDL_joystick.c:251
SDL_LockMutex
#define SDL_LockMutex
Definition: SDL_dynapi_overrides.h:260
SDL_atomic.h
SDL_HAT_CENTERED
#define SDL_HAT_CENTERED
Definition: SDL_joystick.h:329
SDL_ADDEVENT
@ SDL_ADDEVENT
Definition: SDL_events.h:615
NULL
#define NULL
Definition: begin_code.h:167
SDL_JoystickGetAxisInitialState
SDL_bool SDL_JoystickGetAxisInitialState(SDL_Joystick *joystick, int axis, Sint16 *state)
Definition: SDL_joystick.c:480
SDL_JoystickInit
int SDL_JoystickInit(void)
Definition: SDL_joystick.c:114
SDL_JoystickNameForIndex
const char * SDL_JoystickNameForIndex(int device_index)
Definition: SDL_joystick.c:215
k_eControllerType_SwitchProController
@ k_eControllerType_SwitchProController
Definition: controller_type.h:54
SDL_JoystickGetDeviceIndexFromInstanceID
int SDL_JoystickGetDeviceIndexFromInstanceID(SDL_JoystickID instance_id)
Definition: SDL_joystick.c:1560
SDL_IsJoystickNintendoSwitchPro
SDL_bool SDL_IsJoystickNintendoSwitchPro(Uint16 vendor, Uint16 product)
Definition: SDL_joystick.c:1167
SDL_IsPS4RemapperRunning
static SDL_bool SDL_IsPS4RemapperRunning(void)
Definition: SDL_joystick.c:1326
SDL_INIT_JOYSTICK
#define SDL_INIT_JOYSTICK
Definition: SDL.h:80
SDL_FixupJoystickName
static const char * SDL_FixupJoystickName(const char *name)
Definition: SDL_joystick.c:198
SDL_INIT_EVENTS
#define SDL_INIT_EVENTS
Definition: SDL.h:83
SDL_mutex
Definition: SDL_sysmutex.c:29
SDL_JoystickGetGUIDFromString
SDL_JoystickGUID SDL_JoystickGetGUIDFromString(const char *pchGUID)
Definition: SDL_joystick.c:1674
SDL_JoystickFromInstanceID
SDL_Joystick * SDL_JoystickFromInstanceID(SDL_JoystickID joyid)
Definition: SDL_joystick.c:594
SDL_BSD_JoystickDriver
SDL_JoystickDriver SDL_BSD_JoystickDriver
mutex
static SDL_mutex * mutex
Definition: testlock.c:23
SDL_IsJoystickPS4
SDL_bool SDL_IsJoystickPS4(Uint16 vendor, Uint16 product)
Definition: SDL_joystick.c:1161
SDL_joystick_allows_background_events
static SDL_bool SDL_joystick_allows_background_events
Definition: SDL_joystick.c:80
SDLCALL
#define SDLCALL
Definition: SDL_internal.h:49
SDL_JoystickPowerLevel
SDL_JoystickPowerLevel
Definition: SDL_joystick.h:97
SDL_AtomicIncRef
#define SDL_AtomicIncRef(a)
Increment an atomic variable used as a reference count.
Definition: SDL_atomic.h:252
SDL_QuitSubSystem
#define SDL_QuitSubSystem
Definition: SDL_dynapi_overrides.h:56
SDL_Event::jdevice
SDL_JoyDeviceEvent jdevice
Definition: SDL_events.h:573
SDL_PrivateJoystickAdded
void SDL_PrivateJoystickAdded(SDL_JoystickID device_instance)
Definition: SDL_joystick.c:755
SDL_CreateMutex
#define SDL_CreateMutex
Definition: SDL_dynapi_overrides.h:259
SDL_ENABLE
#define SDL_ENABLE
Definition: SDL_events.h:759
SDL_GetNextJoystickInstanceID
SDL_JoystickID SDL_GetNextJoystickInstanceID()
Definition: SDL_joystick.c:163
SDL_NumJoysticks
int SDL_NumJoysticks(void)
Definition: SDL_joystick.c:148
SDL_JOYSTICK_TYPE_GUITAR
@ SDL_JOYSTICK_TYPE_GUITAR
Definition: SDL_joystick.h:91
SDL_JoystickGUID::data
Uint8 data[16]
Definition: SDL_joystick.h:71
SDL_UnlockJoysticks
void SDL_UnlockJoysticks(void)
Definition: SDL_joystick.c:95
SDL_JOYDEVICEREMOVED
@ SDL_JOYDEVICEREMOVED
Definition: SDL_events.h:117
SDL_strncmp
#define SDL_strncmp
Definition: SDL_dynapi_overrides.h:418
x1
GLuint GLfloat GLfloat GLfloat x1
Definition: SDL_opengl_glext.h:8583
SDL_RELEASED
#define SDL_RELEASED
Definition: SDL_events.h:49
SDL_JoystickGetDeviceInstanceID
SDL_JoystickID SDL_JoystickGetDeviceInstanceID(int device_index)
Definition: SDL_joystick.c:1546
SDL_InitSubSystem
#define SDL_InitSubSystem
Definition: SDL_dynapi_overrides.h:55
SDL_small_alloc
#define SDL_small_alloc(type, count, pisstack)
Definition: SDL_internal.h:39
SDL_IsJoystickXboxOne
SDL_bool SDL_IsJoystickXboxOne(Uint16 vendor, Uint16 product)
Definition: SDL_joystick.c:1196
SDL_JoystickGetAxis
Sint16 SDL_JoystickGetAxis(SDL_Joystick *joystick, int axis)
Definition: SDL_joystick.c:460
SDL_ShouldIgnoreGameController
SDL_bool SDL_ShouldIgnoreGameController(const char *name, SDL_JoystickGUID guid)
Definition: SDL_gamecontroller.c:1476
SDL_JOYSTICK_TYPE_DANCE_PAD
@ SDL_JOYSTICK_TYPE_DANCE_PAD
Definition: SDL_joystick.h:90
SDL_JoystickGetVendor
Uint16 SDL_JoystickGetVendor(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1587
SDL_GetKeyboardFocus
#define SDL_GetKeyboardFocus
Definition: SDL_dynapi_overrides.h:216
SDL_strcasecmp
#define SDL_strcasecmp
Definition: SDL_dynapi_overrides.h:419
SDL_PrivateJoystickRemoved
void SDL_PrivateJoystickRemoved(SDL_JoystickID device_instance)
Definition: SDL_joystick.c:805
SDL_PrivateJoystickAxis
int SDL_PrivateJoystickAxis(SDL_Joystick *joystick, Uint8 axis, Sint16 value)
Definition: SDL_joystick.c:833
k_eControllerType_PS4Controller
@ k_eControllerType_PS4Controller
Definition: controller_type.h:50
SDL_JoystickGetGUID
SDL_JoystickGUID SDL_JoystickGetGUID(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1577
SDL_JoystickID
Sint32 SDL_JoystickID
Definition: SDL_joystick.h:81
SDL_JOYSTICK_TYPE_DRUM_KIT
@ SDL_JOYSTICK_TYPE_DRUM_KIT
Definition: SDL_joystick.h:92
SDL_QUERY
#define SDL_QUERY
Definition: SDL_events.h:756
SDL_PRESSED
#define SDL_PRESSED
Definition: SDL_events.h:50
Sint16
int16_t Sint16
Definition: SDL_stdinc.h:185
len
GLenum GLsizei len
Definition: SDL_opengl_glext.h:2926
event
struct _cl_event * event
Definition: SDL_opengl_glext.h:2649
SDL_FALSE
@ SDL_FALSE
Definition: SDL_stdinc.h:163
SDL_JoystickGetDeviceProduct
Uint16 SDL_JoystickGetDeviceProduct(int device_index)
Definition: SDL_joystick.c:1514
SDL_GameControllerHandleDelayedGuideButton
void SDL_GameControllerHandleDelayedGuideButton(SDL_Joystick *joystick)
Definition: SDL_gamecontroller.c:2088
SDL_IsJoystickSteamController
SDL_bool SDL_IsJoystickSteamController(Uint16 vendor, Uint16 product)
Definition: SDL_joystick.c:1175
p
GLfloat GLfloat p
Definition: SDL_opengl_glext.h:11090
SDL_JoystickInstanceID
SDL_JoystickID SDL_JoystickInstanceID(SDL_Joystick *joystick)
Definition: SDL_joystick.c:581
controller_type.h
retval
SDL_bool retval
Definition: testgamecontroller.c:65
SDL_IsJoystickXInput
SDL_bool SDL_IsJoystickXInput(SDL_JoystickGUID guid)
Definition: SDL_joystick.c:1202
SDL_JoystickGetPlayerIndex
int SDL_JoystickGetPlayerIndex(SDL_Joystick *joystick)
Definition: SDL_joystick.c:622
SDL_GetEventState
#define SDL_GetEventState(type)
Definition: SDL_events.h:772
k_eControllerType_XBox360Controller
@ k_eControllerType_XBox360Controller
Definition: controller_type.h:47
SDL_JOYSTICK_POWER_UNKNOWN
@ SDL_JOYSTICK_POWER_UNKNOWN
Definition: SDL_joystick.h:99
SDL_PrivateJoystickValid
int SDL_PrivateJoystickValid(SDL_Joystick *joystick)
Definition: SDL_joystick.c:394
SDL_GetJoystickGUIDInfo
void SDL_GetJoystickGUIDInfo(SDL_JoystickGUID guid, Uint16 *vendor, Uint16 *product, Uint16 *version)
Definition: SDL_joystick.c:1125
SDL_GetJoystickGUIDType
static SDL_JoystickType SDL_GetJoystickGUIDType(SDL_JoystickGUID guid)
Definition: SDL_joystick.c:1272
SDL_free
#define SDL_free
Definition: SDL_dynapi_overrides.h:377
SDL_HAIKU_JoystickDriver
SDL_JoystickDriver SDL_HAIKU_JoystickDriver
SDL_updating_joystick
static SDL_bool SDL_updating_joystick
Definition: SDL_joystick.c:82
SDL_JOYSTICK_TYPE_FLIGHT_STICK
@ SDL_JOYSTICK_TYPE_FLIGHT_STICK
Definition: SDL_joystick.h:89
UpdateEventsForDeviceRemoval
static void UpdateEventsForDeviceRemoval()
Definition: SDL_joystick.c:780
SDL_PushEvent
#define SDL_PushEvent
Definition: SDL_dynapi_overrides.h:125
SDL_JoystickGetProductVersion
Uint16 SDL_JoystickGetProductVersion(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1605
SDL_DARWIN_JoystickDriver
SDL_JoystickDriver SDL_DARWIN_JoystickDriver
SDL_PrivateJoystickShouldIgnoreEvent
static SDL_bool SDL_PrivateJoystickShouldIgnoreEvent()
Definition: SDL_joystick.c:740
SDL_IsJoystickXbox360
SDL_bool SDL_IsJoystickXbox360(Uint16 vendor, Uint16 product)
Definition: SDL_joystick.c:1183
name
GLuint const GLchar * name
Definition: SDL_opengl_glext.h:660
SDL_PrivateJoystickButton
int SDL_PrivateJoystickButton(SDL_Joystick *joystick, Uint8 button, Uint8 state)
Definition: SDL_joystick.c:966
SDL_JOYSTICK_TYPE_THROTTLE
@ SDL_JOYSTICK_TYPE_THROTTLE
Definition: SDL_joystick.h:94
SDL_JoystickQuit
void SDL_JoystickQuit(void)
Definition: SDL_joystick.c:697
SDL_JoystickGetDeviceProductVersion
Uint16 SDL_JoystickGetDeviceProductVersion(int device_index)
Definition: SDL_joystick.c:1523
SDL_GameControllerInitMappings
int SDL_GameControllerInitMappings(void)
Definition: SDL_gamecontroller.c:1345
SDL_PeepEvents
#define SDL_PeepEvents
Definition: SDL_dynapi_overrides.h:117
SDL_DUMMY_JoystickDriver
SDL_JoystickDriver SDL_DUMMY_JoystickDriver
Uint16
uint16_t Uint16
Definition: SDL_stdinc.h:191
nibble
static unsigned char nibble(char c)
Definition: SDL_joystick.c:1654
k_eControllerType_SteamControllerV2
@ k_eControllerType_SteamControllerV2
Definition: controller_type.h:43
SDL_assert.h
SDL_GetDriverAndJoystickIndex
SDL_bool SDL_GetDriverAndJoystickIndex(int device_index, SDL_JoystickDriver **driver, int *driver_index)
Definition: SDL_joystick.c:173
GuessControllerType
static EControllerType GuessControllerType(int nVID, int nPID)
Definition: controller_type.h:427
MAKE_VIDPID
#define MAKE_VIDPID(VID, PID)
Definition: SDL_sysjoystick.h:90
SDL_JOYAXISMOTION
@ SDL_JOYAXISMOTION
Definition: SDL_events.h:111
SDL_next_joystick_instance_id
static SDL_atomic_t SDL_next_joystick_instance_id
Definition: SDL_joystick.c:84
SDL_PrivateJoystickBall
int SDL_PrivateJoystickBall(SDL_Joystick *joystick, Uint8 ball, Sint16 xrel, Sint16 yrel)
Definition: SDL_joystick.c:930
SDL_JoystickNumAxes
int SDL_JoystickNumAxes(SDL_Joystick *joystick)
Definition: SDL_joystick.c:412
SDL_PrivateJoystickBatteryLevel
void SDL_PrivateJoystickBatteryLevel(SDL_Joystick *joystick, SDL_JoystickPowerLevel ePowerLevel)
Definition: SDL_joystick.c:1696
SDL_JoystickAllowBackgroundEventsChanged
static void SDL_JoystickAllowBackgroundEventsChanged(void *userdata, const char *name, const char *oldValue, const char *hint)
Definition: SDL_joystick.c:104
SDL_JoyDeviceEvent::which
Sint32 which
Definition: SDL_events.h:370
SDL_JoystickGetProduct
Uint16 SDL_JoystickGetProduct(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1596
SDL_Delay
#define SDL_Delay
Definition: SDL_dynapi_overrides.h:486
SDL_joystick_lock
static SDL_mutex * SDL_joystick_lock
Definition: SDL_joystick.c:83
SDL_JOYSTICK_AXIS_MAX
#define SDL_JOYSTICK_AXIS_MAX
Definition: SDL_joystick.h:301
k_eControllerType_UnknownNonSteamController
@ k_eControllerType_UnknownNonSteamController
Definition: controller_type.h:46
SDL_LockJoysticks
void SDL_LockJoysticks(void)
Definition: SDL_joystick.c:87
SDL_JoystickGetDevicePlayerIndex
int SDL_JoystickGetDevicePlayerIndex(int device_index)
Definition: SDL_joystick.c:231
SDL_joystick_drivers
static SDL_JoystickDriver * SDL_joystick_drivers[]
Definition: SDL_joystick.c:48
SDL_JoystickGetType
SDL_JoystickType SDL_JoystickGetType(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1614
SDL_DISABLE
#define SDL_DISABLE
Definition: SDL_events.h:758
SDL_JoystickGetDeviceVendor
Uint16 SDL_JoystickGetDeviceVendor(int device_index)
Definition: SDL_joystick.c:1505
axis
SDL_Texture * axis
Definition: testgamecontroller.c:67
_SDL_GameController::joystick
SDL_Joystick * joystick
Definition: SDL_gamecontroller.c:111
SDL_WINDOWS_JoystickDriver
SDL_JoystickDriver SDL_WINDOWS_JoystickDriver
SDL_JoystickName
const char * SDL_JoystickName(SDL_Joystick *joystick)
Definition: SDL_joystick.c:612
SDL_OutOfMemory
#define SDL_OutOfMemory()
Definition: SDL_error.h:52
SDL_PrivateJoystickHat
int SDL_PrivateJoystickHat(SDL_Joystick *joystick, Uint8 hat, Uint8 value)
Definition: SDL_joystick.c:890
id
GLuint id
Definition: SDL_opengl_glext.h:528
SDL_IsJoystickProductWheel
static SDL_bool SDL_IsJoystickProductWheel(Uint32 vidpid)
Definition: SDL_joystick.c:1213
SDL_JoystickGetAttached
SDL_bool SDL_JoystickGetAttached(SDL_Joystick *joystick)
Definition: SDL_joystick.c:568
SDL_arraysize
#define SDL_arraysize(array)
Definition: SDL_stdinc.h:115
SDL_calloc
#define SDL_calloc
Definition: SDL_dynapi_overrides.h:375
SDL_GameControllerQuitMappings
void SDL_GameControllerQuitMappings(void)
Definition: SDL_gamecontroller.c:1942
events
static SDL_Event events[EVENT_BUF_SIZE]
Definition: testgesture.c:39
SDL_IsJoystickProductFlightStick
static SDL_bool SDL_IsJoystickProductFlightStick(Uint32 vidpid)
Definition: SDL_joystick.c:1240
SDL_TRUE
@ SDL_TRUE
Definition: SDL_stdinc.h:164
SDL_AddHintCallback
#define SDL_AddHintCallback
Definition: SDL_dynapi_overrides.h:192
SDL_JoystickClose
void SDL_JoystickClose(SDL_Joystick *joystick)
Definition: SDL_joystick.c:643
SDL_JoystickNumHats
int SDL_JoystickNumHats(SDL_Joystick *joystick)
Definition: SDL_joystick.c:424
value
GLsizei const GLfloat * value
Definition: SDL_opengl_glext.h:698
SDL_SetError
#define SDL_SetError
Definition: SDL_dynapi_overrides.h:30
SDL_IsGameControllerNameAndGUID
SDL_bool SDL_IsGameControllerNameAndGUID(const char *name, SDL_JoystickGUID guid)
Definition: SDL_gamecontroller.c:1451
SDL_JOYBUTTONUP
@ SDL_JOYBUTTONUP
Definition: SDL_events.h:115
SDL_hints.h
SDL_atomic_t
A type representing an atomic integer value. It is a struct so people don't accidentally use numeric ...
Definition: SDL_atomic.h:216
SDL_DestroyMutex
#define SDL_DestroyMutex
Definition: SDL_dynapi_overrides.h:263
SDL_JOYSTICK_TYPE_ARCADE_PAD
@ SDL_JOYSTICK_TYPE_ARCADE_PAD
Definition: SDL_joystick.h:93
SDL_HasWindows
SDL_bool SDL_HasWindows(void)
Definition: SDL_video.c:1714
SDL_JoystickUpdate
void SDL_JoystickUpdate(void)
Definition: SDL_joystick.c:1018
SDL_JoystickNumBalls
int SDL_JoystickNumBalls(SDL_Joystick *joystick)
Definition: SDL_joystick.c:436
SDL_GETEVENT
@ SDL_GETEVENT
Definition: SDL_events.h:617
EControllerType
EControllerType
Definition: controller_type.h:35
SDL_EventState
#define SDL_EventState
Definition: SDL_dynapi_overrides.h:131
SDL_strdup
#define SDL_strdup
Definition: SDL_dynapi_overrides.h:397
SDL_joysticks
static SDL_Joystick * SDL_joysticks
Definition: SDL_joystick.c:81
SDL_strlen
#define SDL_strlen
Definition: SDL_dynapi_overrides.h:393
SDL_JOYDEVICEADDED
@ SDL_JOYDEVICEADDED
Definition: SDL_events.h:116
SDL_LINUX_JoystickDriver
SDL_JoystickDriver SDL_LINUX_JoystickDriver
SDL_JoystickRumble
int SDL_JoystickRumble(SDL_Joystick *joystick, Uint16 low_frequency_rumble, Uint16 high_frequency_rumble, Uint32 duration_ms)
Definition: SDL_joystick.c:631
SDL_JoystickGetHat
Uint8 SDL_JoystickGetHat(SDL_Joystick *joystick, int hat)
Definition: SDL_joystick.c:499
SDL_IsJoystickProductThrottle
static SDL_bool SDL_IsJoystickProductThrottle(Uint32 vidpid)
Definition: SDL_joystick.c:1256
SDL_JoystickGetBall
int SDL_JoystickGetBall(SDL_Joystick *joystick, int ball, int *dx, int *dy)
Definition: SDL_joystick.c:519
SDL_Event
General event structure.
Definition: SDL_events.h:557
SDL_IOS_JoystickDriver
SDL_JoystickDriver SDL_IOS_JoystickDriver
Definition: SDL_sysjoystick.m:868
SDL_DelHintCallback
#define SDL_DelHintCallback
Definition: SDL_dynapi_overrides.h:193
SDL_JoystickGetDeviceGUID
SDL_JoystickGUID SDL_JoystickGetDeviceGUID(int device_index)
Definition: SDL_joystick.c:1489
SDL_JOYBUTTONDOWN
@ SDL_JOYBUTTONDOWN
Definition: SDL_events.h:114
SDL_JoystickOpen
SDL_Joystick * SDL_JoystickOpen(int device_index)
Definition: SDL_joystick.c:285
SDL_UnlockMutex
#define SDL_UnlockMutex
Definition: SDL_dynapi_overrides.h:262
SDL_WasInit
#define SDL_WasInit
Definition: SDL_dynapi_overrides.h:57
SDL_JoystickGUID
Definition: SDL_joystick.h:70
SDL_JOYSTICK_TYPE_WHEEL
@ SDL_JOYSTICK_TYPE_WHEEL
Definition: SDL_joystick.h:87
SDL_JoystickGetButton
Uint8 SDL_JoystickGetButton(SDL_Joystick *joystick, int button)
Definition: SDL_joystick.c:547
type
GLuint GLuint GLsizei GLenum type
Definition: SDL_opengl.h:1571
SDL_EMSCRIPTEN_JoystickDriver
SDL_JoystickDriver SDL_EMSCRIPTEN_JoystickDriver
state
struct xkb_state * state
Definition: SDL_waylandsym.h:113
SDL_JoystickCurrentPowerLevel
SDL_JoystickPowerLevel SDL_JoystickCurrentPowerLevel(SDL_Joystick *joystick)
Definition: SDL_joystick.c:1702
i
return Display return Display Bool Bool int int int return Display XEvent Bool(*) XPointer return Display return Display Drawable _Xconst char unsigned int unsigned int return Display Pixmap Pixmap XColor XColor unsigned int unsigned int return Display _Xconst char char int char return Display Visual unsigned int int int char unsigned int unsigned int in i)
Definition: SDL_x11sym.h:50
SDL_JOYHATMOTION
@ SDL_JOYHATMOTION
Definition: SDL_events.h:113
SDL_JOYSTICK_TYPE_UNKNOWN
@ SDL_JOYSTICK_TYPE_UNKNOWN
Definition: SDL_joystick.h:85
button
SDL_Texture * button
Definition: testgamecontroller.c:67
k_eControllerType_XBoxOneController
@ k_eControllerType_XBoxOneController
Definition: controller_type.h:48
SDL_HIDAPI_JoystickDriver
SDL_JoystickDriver SDL_HIDAPI_JoystickDriver
SDL_JOYBALLMOTION
@ SDL_JOYBALLMOTION
Definition: SDL_events.h:112
SDL_PEEKEVENT
@ SDL_PEEKEVENT
Definition: SDL_events.h:616
SDL_bool
SDL_bool
Definition: SDL_stdinc.h:161
SDL_JoystickType
SDL_JoystickType
Definition: SDL_joystick.h:83
SDL_JOYSTICK_TYPE_ARCADE_STICK
@ SDL_JOYSTICK_TYPE_ARCADE_STICK
Definition: SDL_joystick.h:88
SDL_ANDROID_JoystickDriver
SDL_JoystickDriver SDL_ANDROID_JoystickDriver
Uint8
uint8_t Uint8
Definition: SDL_stdinc.h:179