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4cb1d3da RN |
1 | ///////////////////////////////////////////////////////////////////////////// |
2 | // Name: joystick.cpp | |
3 | // Purpose: wxJoystick class | |
4 | // Author: Ryan Norton | |
5 | // Modified by: | |
6 | // Created: 2/13/2005 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Ryan Norton | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) | |
13 | #pragma implementation "joystick.h" | |
14 | #endif | |
15 | ||
16 | #include "wx/wxprec.h" | |
17 | ||
18 | #ifdef __DARWIN__ | |
19 | ||
20 | #if wxUSE_JOYSTICK | |
21 | ||
22 | #include "wx/event.h" | |
23 | #include "wx/log.h" | |
24 | #include "wx/joystick.h" | |
25 | #include "wx/thread.h" | |
26 | #include "wx/window.h" | |
27 | ||
28 | #include "wx/mac/corefoundation/hid.h" | |
29 | ||
30 | #include <CoreServices/CoreServices.h> | |
31 | #include <mach/mach.h> | |
32 | #include <mach/mach_time.h> | |
33 | #include <unistd.h> | |
34 | ||
35 | enum { | |
65442ab6 | 36 | wxJS_AXIS_X = 40, |
4cb1d3da RN |
37 | wxJS_AXIS_Y, |
38 | wxJS_AXIS_Z, | |
39 | wxJS_AXIS_RUDDER, | |
40 | wxJS_AXIS_U, | |
41 | wxJS_AXIS_V, | |
42 | ||
65442ab6 RN |
43 | wxJS_AXIS_MAX = 255, //32767, |
44 | wxJS_AXIS_MIN = 0, //-32767 | |
4cb1d3da RN |
45 | }; |
46 | ||
47 | class wxHIDJoystick : public wxHIDDevice | |
48 | { | |
49 | public: | |
50 | bool Create(int nWhich); | |
51 | virtual void BuildCookies(wxCFArray& Array); | |
65442ab6 | 52 | void MakeCookies(wxCFArray& Array); |
4cb1d3da | 53 | IOHIDElementCookie* GetCookies() {return m_pCookies;} |
4cb1d3da | 54 | IOHIDQueueInterface** GetQueue() {return m_ppQueue;} |
65442ab6 RN |
55 | |
56 | friend class wxJoystick; | |
4cb1d3da RN |
57 | }; |
58 | ||
59 | ||
60 | bool wxHIDJoystick::Create(int nWhich) | |
61 | { | |
62 | int nJoysticks = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick); | |
63 | ||
64 | if (nWhich <= nJoysticks) | |
65 | return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick); | |
66 | else | |
67 | nWhich -= nJoysticks; | |
68 | ||
69 | int nGamePads = GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad); | |
70 | ||
71 | if (nWhich <= nGamePads) | |
72 | return wxHIDDevice::Create(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad); | |
73 | else | |
74 | return false; | |
75 | } | |
76 | ||
77 | void wxHIDJoystick::BuildCookies(wxCFArray& Array) | |
78 | { | |
79 | Array = CFDictionaryGetValue((CFDictionaryRef)Array[0], CFSTR(kIOHIDElementKey)); | |
80 | InitCookies(50, true); | |
65442ab6 RN |
81 | |
82 | memset(m_pCookies, 0, sizeof(*m_pCookies) * 50); | |
83 | MakeCookies(Array); | |
84 | ||
85 | // for(int i = 0; i < 50; ++i) | |
86 | // wxPrintf(wxT("\nVAL #%i:[%i]"), i, m_pCookies[i]); | |
87 | }//end buildcookies | |
88 | ||
89 | void wxHIDJoystick::MakeCookies(wxCFArray& Array) | |
90 | { | |
4cb1d3da RN |
91 | int i, |
92 | nUsage, | |
93 | nPage; | |
94 | for (i = 0; i < Array.Count(); ++i) | |
95 | { | |
65442ab6 RN |
96 | const void* ref = CFDictionaryGetValue((CFDictionaryRef)Array[i], CFSTR(kIOHIDElementKey)); |
97 | ||
98 | // wxPrintf(wxT("ELM\n")); | |
99 | if (ref != NULL) | |
100 | { | |
101 | wxCFArray newarray(ref); | |
102 | MakeCookies(newarray); | |
103 | } | |
104 | else | |
105 | { | |
106 | CFNumberGetValue( | |
4cb1d3da RN |
107 | (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsageKey)), |
108 | kCFNumberLongType, &nUsage); | |
109 | ||
65442ab6 | 110 | CFNumberGetValue( |
4cb1d3da RN |
111 | (CFNumberRef) CFDictionaryGetValue((CFDictionaryRef) Array[i], CFSTR(kIOHIDElementUsagePageKey)), |
112 | kCFNumberLongType, &nPage); | |
113 | ||
65442ab6 RN |
114 | if (nPage == kHIDPage_Button && nUsage <= 40) |
115 | AddCookieInQueue(Array[i], nUsage-1 ); | |
116 | else if (nPage == kHIDPage_GenericDesktop) | |
4cb1d3da | 117 | { |
65442ab6 RN |
118 | switch(nUsage) |
119 | { | |
120 | case kHIDUsage_GD_X: | |
121 | AddCookieInQueue(Array[i], wxJS_AXIS_X); | |
122 | break; | |
123 | case kHIDUsage_GD_Y: | |
124 | AddCookieInQueue(Array[i], wxJS_AXIS_Y); | |
125 | break; | |
126 | case kHIDUsage_GD_Z: | |
127 | AddCookieInQueue(Array[i], wxJS_AXIS_Z); | |
128 | break; | |
129 | default: | |
130 | break; | |
131 | } | |
4cb1d3da | 132 | } |
65442ab6 RN |
133 | else if (nPage == kHIDPage_Simulation && nUsage == kHIDUsage_Sim_Rudder) |
134 | AddCookieInQueue(Array[i], wxJS_AXIS_RUDDER ); | |
4cb1d3da | 135 | } |
4cb1d3da | 136 | } |
65442ab6 | 137 | } |
4cb1d3da RN |
138 | |
139 | ||
140 | ||
141 | IMPLEMENT_DYNAMIC_CLASS(wxJoystick, wxObject) | |
142 | ||
143 | ||
144 | //////////////////////////////////////////////////////////////////////////// | |
145 | // Background thread for reading the joystick device | |
146 | //////////////////////////////////////////////////////////////////////////// | |
147 | ||
148 | class wxJoystickThread : public wxThread | |
149 | { | |
150 | public: | |
151 | wxJoystickThread(wxHIDJoystick* hid, int joystick); | |
152 | void* Entry(); | |
153 | ||
65442ab6 RN |
154 | static void HIDCallback(void* target, IOReturn res, void* context, void* sender) |
155 | { | |
156 | IOHIDEventStruct hidevent; | |
157 | AbsoluteTime bogustime = {0,0}; | |
158 | IOReturn ret; | |
159 | wxJoystickThread* pThis = (wxJoystickThread*) context; | |
160 | wxHIDJoystick* m_hid = pThis->m_hid; | |
161 | ||
162 | // wxMutexGuiEnter(); | |
163 | ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(), | |
164 | &hidevent, bogustime, 0); | |
165 | // wxMutexGuiLeave(); | |
166 | while ( ret != kIOReturnUnderrun ) | |
167 | { | |
168 | if (pThis->TestDestroy()) | |
169 | break; | |
170 | ||
171 | // wxPrintf(wxT("ENTER\n")); | |
172 | if(ret != kIOReturnSuccess) | |
173 | { | |
174 | wxLogSysError(wxString::Format(wxT("wxJoystick Error:[%i]"), ret)); | |
175 | return; | |
176 | } | |
177 | ||
178 | wxJoystickEvent wxevent; | |
179 | ||
180 | int nIndex = 0; | |
181 | IOHIDElementCookie* pCookies = m_hid->GetCookies(); | |
182 | while(nIndex < 50) | |
183 | { | |
184 | if(hidevent.elementCookie == pCookies[nIndex]) | |
185 | break; | |
186 | ||
187 | ++nIndex; | |
188 | } | |
189 | if(nIndex == 50) | |
190 | { | |
191 | wxLogSysError(wxString::Format(wxT("wxJoystick Out Of Bounds Error"))); | |
192 | break; | |
193 | } | |
194 | ||
195 | if (nIndex < 40) | |
196 | { | |
197 | if (hidevent.value) | |
198 | { | |
199 | pThis->m_buttons |= (1 << nIndex); | |
200 | wxevent.SetEventType(wxEVT_JOY_BUTTON_DOWN); | |
201 | } | |
202 | else | |
203 | { | |
204 | pThis->m_buttons &= ~(1 << nIndex); | |
205 | wxevent.SetEventType(wxEVT_JOY_BUTTON_UP); | |
206 | } | |
207 | ||
208 | wxevent.SetButtonChange(nIndex+1); | |
209 | } | |
210 | else if (nIndex == wxJS_AXIS_X) | |
211 | { | |
212 | pThis->m_lastposition.x = hidevent.value; | |
213 | wxevent.SetEventType(wxEVT_JOY_MOVE); | |
214 | pThis->m_axe[0] = hidevent.value; | |
215 | } | |
216 | else if (nIndex == wxJS_AXIS_Y) | |
217 | { | |
218 | pThis->m_lastposition.y = hidevent.value; | |
219 | wxevent.SetEventType(wxEVT_JOY_MOVE); | |
220 | pThis->m_axe[1] = hidevent.value; | |
221 | } | |
222 | else if (nIndex == wxJS_AXIS_Z) | |
223 | { | |
224 | wxevent.SetEventType(wxEVT_JOY_ZMOVE); | |
225 | pThis->m_axe[2] = hidevent.value; | |
226 | } | |
227 | else | |
228 | wxevent.SetEventType(wxEVT_JOY_MOVE); | |
229 | ||
230 | Nanoseconds timestamp = AbsoluteToNanoseconds(hidevent.timestamp); | |
231 | ||
232 | wxULongLong llTime(timestamp.hi, timestamp.lo); | |
233 | ||
234 | llTime /= 1000000; | |
235 | ||
236 | wxevent.SetTimestamp(llTime.GetValue()); | |
237 | wxevent.SetJoystick(pThis->m_joystick); | |
238 | wxevent.SetButtonState(pThis->m_buttons); | |
239 | wxevent.SetPosition(pThis->m_lastposition); | |
240 | wxevent.SetZPosition(pThis->m_axe[2]); | |
241 | wxevent.SetEventObject(pThis->m_catchwin); | |
242 | ||
243 | // wxPrintf(wxT("SEND\n")); | |
244 | ||
245 | if (pThis->m_catchwin) | |
246 | pThis->m_catchwin->AddPendingEvent(wxevent); | |
247 | ||
248 | // wxMutexGuiEnter(); | |
249 | ret = (*m_hid->GetQueue())->getNextEvent(m_hid->GetQueue(), | |
250 | &hidevent, bogustime, 0); | |
251 | // wxMutexGuiLeave(); | |
252 | } | |
253 | } | |
254 | ||
4cb1d3da RN |
255 | private: |
256 | wxHIDJoystick* m_hid; | |
257 | int m_joystick; | |
258 | wxPoint m_lastposition; | |
259 | int m_axe[15]; | |
260 | int m_buttons; | |
261 | wxWindow* m_catchwin; | |
262 | int m_polling; | |
263 | ||
264 | friend class wxJoystick; | |
265 | }; | |
266 | ||
267 | ||
268 | wxJoystickThread::wxJoystickThread(wxHIDJoystick* hid, int joystick) | |
269 | : m_hid(hid), | |
270 | m_joystick(joystick), | |
65442ab6 | 271 | m_lastposition(127,127), |
4cb1d3da RN |
272 | m_buttons(0), |
273 | m_catchwin(NULL), | |
274 | m_polling(0) | |
275 | { | |
276 | for (int i=0; i<15; i++) | |
277 | m_axe[i] = 0; | |
278 | } | |
279 | ||
280 | ||
281 | # define wxJSVERIFY(arg) if(!(arg)) {wxLogSysError(wxT(#arg)); return NULL;} | |
282 | # define wxJSASSERT(arg) wxJSVERIFY(arg) | |
283 | ||
284 | void* wxJoystickThread::Entry() | |
285 | { | |
286 | CFRunLoopSourceRef pRLSource = NULL; | |
287 | ||
288 | wxJSVERIFY( (*m_hid->GetQueue())->createAsyncEventSource(m_hid->GetQueue(), &pRLSource) | |
289 | == kIOReturnSuccess ); | |
290 | wxJSASSERT(pRLSource != NULL); | |
291 | ||
292 | //attach runloop source to main run loop in thread | |
293 | CFRunLoopRef pRL = CFRunLoopGetCurrent(); | |
294 | CFRunLoopAddSource(pRL, pRLSource, kCFRunLoopDefaultMode); | |
295 | ||
65442ab6 RN |
296 | wxJSVERIFY( (*m_hid->GetQueue())->start(m_hid->GetQueue()) == kIOReturnSuccess ); |
297 | wxJSVERIFY( (*m_hid->GetQueue())->setEventCallout(m_hid->GetQueue(), &wxJoystickThread::HIDCallback, this, this) == kIOReturnSuccess ); | |
4cb1d3da RN |
298 | |
299 | double dTime; | |
4cb1d3da RN |
300 | |
301 | while(true) | |
302 | { | |
303 | if (TestDestroy()) | |
304 | break; | |
305 | ||
306 | if (m_polling) | |
307 | dTime = 0.0001 * m_polling; | |
308 | else | |
309 | dTime = 0.0001 * 10; // check at least every 10 msec in blocking case | |
310 | ||
65442ab6 | 311 | CFRunLoopRunInMode(kCFRunLoopDefaultMode, dTime, true); |
4cb1d3da | 312 | } |
65442ab6 RN |
313 | |
314 | wxJSASSERT( CFRunLoopContainsSource(pRL, pRLSource, kCFRunLoopDefaultMode) ); | |
315 | CFRunLoopRemoveSource(pRL, pRLSource, kCFRunLoopDefaultMode); | |
316 | CFRelease(pRLSource); | |
317 | ||
4cb1d3da RN |
318 | return NULL; |
319 | } | |
320 | ||
321 | ||
322 | //////////////////////////////////////////////////////////////////////////// | |
323 | ||
324 | wxJoystick::wxJoystick(int joystick) | |
325 | : m_joystick(joystick), | |
326 | m_thread(NULL) | |
327 | { | |
328 | m_hid = new wxHIDJoystick(); | |
329 | ||
330 | if (m_hid->Create(m_joystick)) | |
331 | { | |
332 | m_thread = new wxJoystickThread(m_hid, m_joystick); | |
333 | m_thread->Create(); | |
334 | m_thread->Run(); | |
335 | } | |
336 | else | |
337 | { | |
338 | delete m_hid; | |
339 | m_hid = NULL; | |
340 | } | |
341 | } | |
342 | ||
343 | ||
344 | wxJoystick::~wxJoystick() | |
345 | { | |
346 | ReleaseCapture(); | |
347 | if (m_thread) | |
348 | m_thread->Delete(); // It's detached so it will delete itself | |
349 | ||
350 | if (m_hid) | |
351 | delete m_hid; | |
352 | } | |
353 | ||
354 | ||
355 | //////////////////////////////////////////////////////////////////////////// | |
356 | // State | |
357 | //////////////////////////////////////////////////////////////////////////// | |
358 | ||
359 | wxPoint wxJoystick::GetPosition() const | |
360 | { | |
361 | wxPoint pos(wxDefaultPosition); | |
362 | if (m_thread) pos = m_thread->m_lastposition; | |
363 | return pos; | |
364 | } | |
365 | ||
366 | int wxJoystick::GetZPosition() const | |
367 | { | |
368 | if (m_thread) | |
369 | return m_thread->m_axe[wxJS_AXIS_Z]; | |
370 | return 0; | |
371 | } | |
372 | ||
373 | int wxJoystick::GetButtonState() const | |
374 | { | |
375 | if (m_thread) | |
376 | return m_thread->m_buttons; | |
377 | return 0; | |
378 | } | |
379 | ||
380 | int wxJoystick::GetPOVPosition() const | |
381 | { return -1; } | |
382 | ||
383 | int wxJoystick::GetPOVCTSPosition() const | |
384 | { return -1; } | |
385 | ||
386 | int wxJoystick::GetRudderPosition() const | |
387 | { | |
388 | if (m_thread) | |
389 | return m_thread->m_axe[wxJS_AXIS_RUDDER]; | |
390 | return 0; | |
391 | } | |
392 | ||
393 | int wxJoystick::GetUPosition() const | |
394 | { | |
395 | if (m_thread) | |
396 | return m_thread->m_axe[wxJS_AXIS_U]; | |
397 | return 0; | |
398 | } | |
399 | ||
400 | int wxJoystick::GetVPosition() const | |
401 | { | |
402 | if (m_thread) | |
403 | return m_thread->m_axe[wxJS_AXIS_V]; | |
404 | return 0; | |
405 | } | |
406 | ||
407 | int wxJoystick::GetMovementThreshold() const | |
408 | { return 0; } | |
409 | ||
410 | void wxJoystick::SetMovementThreshold(int threshold) | |
411 | { } | |
412 | ||
413 | //////////////////////////////////////////////////////////////////////////// | |
414 | // Capabilities | |
415 | //////////////////////////////////////////////////////////////////////////// | |
416 | ||
417 | bool wxJoystick::IsOk() const | |
418 | { return m_hid != NULL; } | |
419 | ||
420 | int wxJoystick::GetNumberJoysticks() const | |
421 | { return wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_Joystick) + | |
422 | wxHIDDevice::GetCount(kHIDPage_GenericDesktop, kHIDUsage_GD_GamePad); } | |
423 | ||
424 | int wxJoystick::GetManufacturerId() const | |
65442ab6 | 425 | { return m_hid->m_nManufacturerId; } |
4cb1d3da RN |
426 | |
427 | int wxJoystick::GetProductId() const | |
65442ab6 | 428 | { return m_hid->m_nProductId; } |
4cb1d3da RN |
429 | |
430 | wxString wxJoystick::GetProductName() const | |
65442ab6 | 431 | { return m_hid->m_szProductName; } |
4cb1d3da RN |
432 | |
433 | int wxJoystick::GetXMin() const | |
434 | { return wxJS_AXIS_MIN; } | |
435 | ||
436 | int wxJoystick::GetYMin() const | |
437 | { return wxJS_AXIS_MIN; } | |
438 | ||
439 | int wxJoystick::GetZMin() const | |
440 | { return wxJS_AXIS_MIN; } | |
441 | ||
442 | int wxJoystick::GetXMax() const | |
443 | { return wxJS_AXIS_MAX; } | |
444 | ||
445 | int wxJoystick::GetYMax() const | |
446 | { return wxJS_AXIS_MAX; } | |
447 | ||
448 | int wxJoystick::GetZMax() const | |
449 | { return wxJS_AXIS_MAX; } | |
450 | ||
451 | int wxJoystick::GetNumberButtons() const | |
452 | { | |
453 | int nCount = 0; | |
454 | ||
455 | for(int nIndex = 0; nIndex < 40; ++nIndex) | |
456 | { | |
457 | if(m_hid->HasElement(nIndex)) | |
458 | ++nCount; | |
459 | } | |
460 | ||
461 | return nCount; | |
462 | } | |
463 | ||
464 | int wxJoystick::GetNumberAxes() const | |
465 | { | |
466 | int nCount = 0; | |
467 | ||
468 | for(int nIndex = 40; nIndex < 50; ++nIndex) | |
469 | { | |
470 | if(m_hid->HasElement(nIndex)) | |
471 | ++nCount; | |
472 | } | |
473 | ||
474 | return nCount; | |
475 | } | |
476 | ||
477 | // | |
478 | // internal | |
479 | // | |
480 | int wxJoystick::GetMaxButtons() const | |
481 | { return 15; } | |
482 | ||
483 | int wxJoystick::GetMaxAxes() const | |
484 | { return 10; } | |
485 | ||
486 | int wxJoystick::GetPollingMin() const | |
487 | { return 10; } | |
488 | ||
489 | int wxJoystick::GetPollingMax() const | |
490 | { return 1000; } | |
491 | ||
492 | int wxJoystick::GetRudderMin() const | |
493 | { return wxJS_AXIS_MIN; } | |
494 | ||
495 | int wxJoystick::GetRudderMax() const | |
496 | { return wxJS_AXIS_MAX; } | |
497 | ||
498 | int wxJoystick::GetUMin() const | |
499 | { return wxJS_AXIS_MIN; } | |
500 | ||
501 | int wxJoystick::GetUMax() const | |
502 | { return wxJS_AXIS_MAX; } | |
503 | ||
504 | int wxJoystick::GetVMin() const | |
505 | { return wxJS_AXIS_MIN; } | |
506 | ||
507 | int wxJoystick::GetVMax() const | |
508 | { return wxJS_AXIS_MAX; } | |
509 | ||
510 | bool wxJoystick::HasRudder() const | |
511 | { return m_hid->HasElement(wxJS_AXIS_RUDDER); } | |
512 | ||
513 | bool wxJoystick::HasZ() const | |
514 | { return m_hid->HasElement(wxJS_AXIS_Z); } | |
515 | ||
516 | bool wxJoystick::HasU() const | |
517 | { return m_hid->HasElement(wxJS_AXIS_U); } | |
518 | ||
519 | bool wxJoystick::HasV() const | |
520 | { return m_hid->HasElement(wxJS_AXIS_V); } | |
521 | ||
522 | bool wxJoystick::HasPOV() const | |
523 | { return false; } | |
524 | ||
525 | bool wxJoystick::HasPOV4Dir() const | |
526 | { return false; } | |
527 | ||
528 | bool wxJoystick::HasPOVCTS() const | |
529 | { return false; } | |
530 | ||
531 | //////////////////////////////////////////////////////////////////////////// | |
532 | // Operations | |
533 | //////////////////////////////////////////////////////////////////////////// | |
534 | ||
535 | bool wxJoystick::SetCapture(wxWindow* win, int pollingFreq) | |
536 | { | |
537 | if (m_thread) | |
538 | { | |
539 | m_thread->m_catchwin = win; | |
540 | m_thread->m_polling = pollingFreq; | |
541 | return true; | |
542 | } | |
543 | return false; | |
544 | } | |
545 | ||
546 | bool wxJoystick::ReleaseCapture() | |
547 | { | |
548 | if (m_thread) | |
549 | { | |
550 | m_thread->m_catchwin = NULL; | |
551 | m_thread->m_polling = 0; | |
552 | return true; | |
553 | } | |
554 | return false; | |
555 | } | |
556 | #endif | |
557 | //OSX | |
558 | ||
559 | #endif | |
560 | // wxUSE_JOYSTICK | |
561 |