Commit | Line | Data |
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101ceb40 | 1 | ///////////////////////////////////////////////////////////////////////////// |
7520f3da | 2 | // Name: src/unix/joystick.cpp |
101ceb40 JS |
3 | // Purpose: wxJoystick class |
4 | // Author: Ported to Linux by Guilhem Lavaux | |
5 | // Modified by: | |
6 | // Created: 05/23/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Guilhem Lavaux | |
627b2b2a | 9 | // Licence: wxWindows licence |
101ceb40 JS |
10 | ///////////////////////////////////////////////////////////////////////////// |
11 | ||
14f355c2 VS |
12 | // for compilers that support precompilation, includes "wx.h". |
13 | #include "wx/wxprec.h" | |
14 | ||
bb462424 | 15 | #if wxUSE_JOYSTICK |
101ceb40 | 16 | |
5260937e VZ |
17 | #include "wx/joystick.h" |
18 | ||
d5da0ce7 WS |
19 | #ifndef WX_PRECOMP |
20 | #include "wx/event.h" | |
cdccdfab | 21 | #include "wx/window.h" |
d5da0ce7 WS |
22 | #endif //WX_PRECOMP |
23 | ||
204abcd4 PC |
24 | #include "wx/thread.h" |
25 | ||
101ceb40 JS |
26 | #include <linux/joystick.h> |
27 | #include <sys/types.h> | |
28 | #include <sys/stat.h> | |
29 | #include <sys/time.h> | |
30 | #include <sys/ioctl.h> | |
31 | #include <fcntl.h> | |
32 | #include <unistd.h> | |
2b510feb | 33 | |
bc023abb MW |
34 | #ifdef HAVE_SYS_SELECT_H |
35 | # include <sys/select.h> | |
36 | #endif | |
37 | ||
17a1ebd1 | 38 | #include "wx/unix/private.h" |
101ceb40 | 39 | |
a800dc50 RD |
40 | enum { |
41 | wxJS_AXIS_X = 0, | |
42 | wxJS_AXIS_Y, | |
43 | wxJS_AXIS_Z, | |
44 | wxJS_AXIS_RUDDER, | |
45 | wxJS_AXIS_U, | |
46 | wxJS_AXIS_V, | |
627b2b2a | 47 | |
a800dc50 | 48 | wxJS_AXIS_MAX = 32767, |
e6733873 VZ |
49 | wxJS_AXIS_MIN = -32767, |
50 | wxJS_MAX_AXES = 15, | |
51 | wxJS_MAX_BUTTONS = sizeof(int) * 8 | |
a800dc50 | 52 | }; |
101ceb40 | 53 | |
101ceb40 | 54 | |
a800dc50 | 55 | IMPLEMENT_DYNAMIC_CLASS(wxJoystick, wxObject) |
101ceb40 | 56 | |
101ceb40 JS |
57 | |
58 | //////////////////////////////////////////////////////////////////////////// | |
a800dc50 | 59 | // Background thread for reading the joystick device |
101ceb40 | 60 | //////////////////////////////////////////////////////////////////////////// |
101ceb40 | 61 | |
a800dc50 RD |
62 | class wxJoystickThread : public wxThread |
63 | { | |
64 | public: | |
65 | wxJoystickThread(int device, int joystick); | |
66 | void* Entry(); | |
67 | ||
68 | private: | |
e6733873 | 69 | void SendEvent(wxEventType type, long ts, int change = 0); |
a800dc50 RD |
70 | int m_device; |
71 | int m_joystick; | |
72 | wxPoint m_lastposition; | |
e6733873 | 73 | int m_axe[wxJS_MAX_AXES]; |
627b2b2a | 74 | int m_buttons; |
a800dc50 | 75 | wxWindow* m_catchwin; |
627b2b2a | 76 | int m_polling; |
e6733873 | 77 | int m_threshold; |
a800dc50 RD |
78 | |
79 | friend class wxJoystick; | |
80 | }; | |
81 | ||
82 | ||
83 | wxJoystickThread::wxJoystickThread(int device, int joystick) | |
84 | : m_device(device), | |
85 | m_joystick(joystick), | |
86 | m_lastposition(wxDefaultPosition), | |
87 | m_buttons(0), | |
88 | m_catchwin(NULL), | |
e6733873 VZ |
89 | m_polling(0), |
90 | m_threshold(0) | |
627b2b2a | 91 | { |
e6733873 | 92 | memset(m_axe, 0, sizeof(m_axe)); |
a800dc50 RD |
93 | } |
94 | ||
e6733873 VZ |
95 | void wxJoystickThread::SendEvent(wxEventType type, long ts, int change) |
96 | { | |
97 | wxJoystickEvent jwx_event(type, m_buttons, m_joystick, change); | |
98 | ||
99 | jwx_event.SetTimestamp(ts); | |
100 | jwx_event.SetPosition(m_lastposition); | |
101 | jwx_event.SetZPosition(m_axe[wxJS_AXIS_Z]); | |
102 | jwx_event.SetEventObject(m_catchwin); | |
103 | ||
104 | if (m_catchwin) | |
105 | m_catchwin->AddPendingEvent(jwx_event); | |
106 | } | |
a800dc50 RD |
107 | |
108 | void* wxJoystickThread::Entry() | |
109 | { | |
110 | struct js_event j_evt; | |
111 | fd_set read_fds; | |
112 | struct timeval time_out = {0, 0}; | |
113 | ||
17a1ebd1 | 114 | wxFD_ZERO(&read_fds); |
627b2b2a VZ |
115 | while (true) |
116 | { | |
a800dc50 RD |
117 | if (TestDestroy()) |
118 | break; | |
119 | ||
120 | // We use select when either polling or 'blocking' as even in the | |
121 | // blocking case we need to check TestDestroy periodically | |
122 | if (m_polling) | |
123 | time_out.tv_usec = m_polling * 1000; | |
124 | else | |
125 | time_out.tv_usec = 10 * 1000; // check at least every 10 msec in blocking case | |
627b2b2a | 126 | |
17a1ebd1 | 127 | wxFD_SET(m_device, &read_fds); |
a800dc50 | 128 | select(m_device+1, &read_fds, NULL, NULL, &time_out); |
17a1ebd1 | 129 | if (wxFD_ISSET(m_device, &read_fds)) |
a800dc50 RD |
130 | { |
131 | memset(&j_evt, 0, sizeof(j_evt)); | |
132 | read(m_device, &j_evt, sizeof(j_evt)); | |
133 | ||
134 | //printf("time: %d\t value: %d\t type: %d\t number: %d\n", | |
135 | // j_evt.time, j_evt.value, j_evt.type, j_evt.number); | |
136 | ||
e6733873 VZ |
137 | if ((j_evt.type & JS_EVENT_AXIS) && (j_evt.number < wxJS_MAX_AXES)) |
138 | { | |
139 | if ( (m_axe[j_evt.number] + m_threshold < j_evt.value) | |
140 | || (m_axe[j_evt.number] - m_threshold > j_evt.value) ) | |
627b2b2a VZ |
141 | { |
142 | m_axe[j_evt.number] = j_evt.value; | |
a800dc50 | 143 | |
627b2b2a VZ |
144 | switch (j_evt.number) |
145 | { | |
a800dc50 RD |
146 | case wxJS_AXIS_X: |
147 | m_lastposition.x = j_evt.value; | |
e6733873 | 148 | SendEvent(wxEVT_JOY_MOVE, j_evt.time); |
a800dc50 RD |
149 | break; |
150 | case wxJS_AXIS_Y: | |
151 | m_lastposition.y = j_evt.value; | |
e6733873 | 152 | SendEvent(wxEVT_JOY_MOVE, j_evt.time); |
a800dc50 RD |
153 | break; |
154 | case wxJS_AXIS_Z: | |
e6733873 | 155 | SendEvent(wxEVT_JOY_ZMOVE, j_evt.time); |
a800dc50 RD |
156 | break; |
157 | default: | |
e6733873 | 158 | SendEvent(wxEVT_JOY_MOVE, j_evt.time); |
a800dc50 RD |
159 | // TODO: There should be a way to indicate that the event |
160 | // is for some other axes. | |
161 | break; | |
a800dc50 | 162 | } |
627b2b2a | 163 | } |
e6733873 | 164 | } |
627b2b2a | 165 | |
e6733873 | 166 | if ( (j_evt.type & JS_EVENT_BUTTON) && (j_evt.number < wxJS_MAX_BUTTONS) ) |
627b2b2a VZ |
167 | { |
168 | if (j_evt.value) | |
169 | { | |
170 | m_buttons |= (1 << j_evt.number); | |
e6733873 | 171 | SendEvent(wxEVT_JOY_BUTTON_DOWN, j_evt.time, j_evt.number); |
627b2b2a VZ |
172 | } |
173 | else | |
174 | { | |
175 | m_buttons &= ~(1 << j_evt.number); | |
e6733873 | 176 | SendEvent(wxEVT_JOY_BUTTON_UP, j_evt.time, j_evt.number); |
a800dc50 | 177 | } |
a800dc50 | 178 | } |
a800dc50 | 179 | } |
101ceb40 | 180 | } |
627b2b2a | 181 | |
a800dc50 RD |
182 | close(m_device); |
183 | return NULL; | |
184 | } | |
185 | ||
186 | ||
187 | //////////////////////////////////////////////////////////////////////////// | |
188 | ||
189 | wxJoystick::wxJoystick(int joystick) | |
190 | : m_device(-1), | |
191 | m_joystick(joystick), | |
192 | m_thread(NULL) | |
193 | { | |
194 | wxString dev_name; | |
627b2b2a | 195 | |
dcd5c3d0 | 196 | // old /dev structure |
f50de150 | 197 | dev_name.Printf( wxT("/dev/js%d"), joystick); |
a800dc50 RD |
198 | m_device = open(dev_name.fn_str(), O_RDONLY); |
199 | ||
dcd5c3d0 JS |
200 | // new /dev structure with "input" subdirectory |
201 | if (m_device == -1) | |
202 | { | |
f50de150 | 203 | dev_name.Printf( wxT("/dev/input/js%d"), joystick); |
7520f3da | 204 | m_device = open(dev_name.fn_str(), O_RDONLY); |
dcd5c3d0 JS |
205 | } |
206 | ||
a800dc50 RD |
207 | if (m_device != -1) |
208 | { | |
209 | m_thread = new wxJoystickThread(m_device, m_joystick); | |
210 | m_thread->Create(); | |
211 | m_thread->Run(); | |
101ceb40 | 212 | } |
101ceb40 JS |
213 | } |
214 | ||
a800dc50 RD |
215 | |
216 | wxJoystick::~wxJoystick() | |
217 | { | |
218 | ReleaseCapture(); | |
219 | if (m_thread) | |
220 | m_thread->Delete(); // It's detached so it will delete itself | |
221 | m_device = -1; | |
222 | } | |
223 | ||
224 | ||
101ceb40 JS |
225 | //////////////////////////////////////////////////////////////////////////// |
226 | // State | |
227 | //////////////////////////////////////////////////////////////////////////// | |
228 | ||
a800dc50 | 229 | wxPoint wxJoystick::GetPosition() const |
101ceb40 | 230 | { |
a800dc50 RD |
231 | wxPoint pos(wxDefaultPosition); |
232 | if (m_thread) pos = m_thread->m_lastposition; | |
233 | return pos; | |
101ceb40 JS |
234 | } |
235 | ||
e6733873 VZ |
236 | int wxJoystick::GetPosition(unsigned axis) const |
237 | { | |
238 | if (m_thread && (axis < wxJS_MAX_AXES)) | |
239 | return m_thread->m_axe[axis]; | |
240 | return 0; | |
241 | } | |
242 | ||
a800dc50 | 243 | int wxJoystick::GetZPosition() const |
101ceb40 | 244 | { |
627b2b2a | 245 | if (m_thread) |
a800dc50 RD |
246 | return m_thread->m_axe[wxJS_AXIS_Z]; |
247 | return 0; | |
101ceb40 JS |
248 | } |
249 | ||
a800dc50 | 250 | int wxJoystick::GetButtonState() const |
101ceb40 | 251 | { |
627b2b2a | 252 | if (m_thread) |
a800dc50 RD |
253 | return m_thread->m_buttons; |
254 | return 0; | |
101ceb40 JS |
255 | } |
256 | ||
e6733873 VZ |
257 | bool wxJoystick::GetButtonState(unsigned id) const |
258 | { | |
259 | if (m_thread && (id < wxJS_MAX_BUTTONS)) | |
260 | return (m_thread->m_buttons & (1 << id)) != 0; | |
261 | return false; | |
262 | } | |
263 | ||
a800dc50 | 264 | int wxJoystick::GetPOVPosition() const |
101ceb40 | 265 | { |
a800dc50 | 266 | return -1; |
101ceb40 JS |
267 | } |
268 | ||
a800dc50 | 269 | int wxJoystick::GetPOVCTSPosition() const |
101ceb40 | 270 | { |
a800dc50 | 271 | return -1; |
101ceb40 JS |
272 | } |
273 | ||
a800dc50 | 274 | int wxJoystick::GetRudderPosition() const |
101ceb40 | 275 | { |
627b2b2a | 276 | if (m_thread) |
a800dc50 RD |
277 | return m_thread->m_axe[wxJS_AXIS_RUDDER]; |
278 | return 0; | |
101ceb40 JS |
279 | } |
280 | ||
a800dc50 | 281 | int wxJoystick::GetUPosition() const |
101ceb40 | 282 | { |
627b2b2a | 283 | if (m_thread) |
a800dc50 RD |
284 | return m_thread->m_axe[wxJS_AXIS_U]; |
285 | return 0; | |
101ceb40 JS |
286 | } |
287 | ||
a800dc50 | 288 | int wxJoystick::GetVPosition() const |
101ceb40 | 289 | { |
627b2b2a | 290 | if (m_thread) |
a800dc50 RD |
291 | return m_thread->m_axe[wxJS_AXIS_V]; |
292 | return 0; | |
101ceb40 JS |
293 | } |
294 | ||
a800dc50 | 295 | int wxJoystick::GetMovementThreshold() const |
101ceb40 | 296 | { |
e6733873 VZ |
297 | if (m_thread) |
298 | return m_thread->m_threshold; | |
a800dc50 | 299 | return 0; |
101ceb40 JS |
300 | } |
301 | ||
302 | void wxJoystick::SetMovementThreshold(int threshold) | |
303 | { | |
e6733873 VZ |
304 | if (m_thread) |
305 | m_thread->m_threshold = threshold; | |
101ceb40 JS |
306 | } |
307 | ||
308 | //////////////////////////////////////////////////////////////////////////// | |
309 | // Capabilities | |
310 | //////////////////////////////////////////////////////////////////////////// | |
311 | ||
a800dc50 | 312 | bool wxJoystick::IsOk() const |
101ceb40 | 313 | { |
a800dc50 | 314 | return (m_device != -1); |
101ceb40 JS |
315 | } |
316 | ||
da9e9563 | 317 | int wxJoystick::GetNumberJoysticks() |
101ceb40 | 318 | { |
a800dc50 RD |
319 | wxString dev_name; |
320 | int fd, j; | |
101ceb40 | 321 | |
a800dc50 RD |
322 | for (j=0; j<4; j++) { |
323 | dev_name.Printf(wxT("/dev/js%d"), j); | |
324 | fd = open(dev_name.fn_str(), O_RDONLY); | |
325 | if (fd == -1) | |
f50de150 | 326 | break; |
a800dc50 RD |
327 | close(fd); |
328 | } | |
7520f3da | 329 | |
f50de150 JS |
330 | if (j == 0) { |
331 | for (j=0; j<4; j++) { | |
332 | dev_name.Printf(wxT("/dev/input/js%d"), j); | |
333 | fd = open(dev_name.fn_str(), O_RDONLY); | |
334 | if (fd == -1) | |
335 | return j; | |
336 | close(fd); | |
337 | } | |
338 | } | |
7520f3da | 339 | |
a800dc50 | 340 | return j; |
101ceb40 JS |
341 | } |
342 | ||
a800dc50 | 343 | int wxJoystick::GetManufacturerId() const |
101ceb40 | 344 | { |
a800dc50 | 345 | return 0; |
101ceb40 JS |
346 | } |
347 | ||
a800dc50 | 348 | int wxJoystick::GetProductId() const |
101ceb40 | 349 | { |
a800dc50 | 350 | return 0; |
101ceb40 JS |
351 | } |
352 | ||
a800dc50 | 353 | wxString wxJoystick::GetProductName() const |
101ceb40 | 354 | { |
a800dc50 | 355 | char name[128]; |
627b2b2a | 356 | |
a800dc50 RD |
357 | if (ioctl(m_device, JSIOCGNAME(sizeof(name)), name) < 0) |
358 | strcpy(name, "Unknown"); | |
627b2b2a | 359 | return wxString(name, wxConvLibc); |
101ceb40 JS |
360 | } |
361 | ||
a800dc50 | 362 | int wxJoystick::GetXMin() const |
101ceb40 | 363 | { |
a800dc50 | 364 | return wxJS_AXIS_MIN; |
101ceb40 JS |
365 | } |
366 | ||
a800dc50 | 367 | int wxJoystick::GetYMin() const |
101ceb40 | 368 | { |
a800dc50 | 369 | return wxJS_AXIS_MIN; |
101ceb40 JS |
370 | } |
371 | ||
a800dc50 | 372 | int wxJoystick::GetZMin() const |
101ceb40 | 373 | { |
a800dc50 | 374 | return wxJS_AXIS_MIN; |
101ceb40 JS |
375 | } |
376 | ||
a800dc50 | 377 | int wxJoystick::GetXMax() const |
101ceb40 | 378 | { |
a800dc50 | 379 | return wxJS_AXIS_MAX; |
101ceb40 JS |
380 | } |
381 | ||
a800dc50 | 382 | int wxJoystick::GetYMax() const |
101ceb40 | 383 | { |
a800dc50 | 384 | return wxJS_AXIS_MAX; |
101ceb40 JS |
385 | } |
386 | ||
a800dc50 | 387 | int wxJoystick::GetZMax() const |
101ceb40 | 388 | { |
a800dc50 | 389 | return wxJS_AXIS_MAX; |
101ceb40 JS |
390 | } |
391 | ||
a800dc50 | 392 | int wxJoystick::GetNumberButtons() const |
101ceb40 | 393 | { |
a800dc50 | 394 | char nb=0; |
101ceb40 | 395 | |
a800dc50 RD |
396 | if (m_device != -1) |
397 | ioctl(m_device, JSIOCGBUTTONS, &nb); | |
101ceb40 | 398 | |
c9f78968 | 399 | if ((int)nb > wxJS_MAX_BUTTONS) |
e6733873 VZ |
400 | nb = wxJS_MAX_BUTTONS; |
401 | ||
a800dc50 | 402 | return nb; |
101ceb40 JS |
403 | } |
404 | ||
a800dc50 | 405 | int wxJoystick::GetNumberAxes() const |
101ceb40 | 406 | { |
a800dc50 | 407 | char nb=0; |
101ceb40 | 408 | |
a800dc50 RD |
409 | if (m_device != -1) |
410 | ioctl(m_device, JSIOCGAXES, &nb); | |
101ceb40 | 411 | |
c9f78968 | 412 | if ((int)nb > wxJS_MAX_AXES) |
e6733873 VZ |
413 | nb = wxJS_MAX_AXES; |
414 | ||
a800dc50 | 415 | return nb; |
101ceb40 JS |
416 | } |
417 | ||
a800dc50 | 418 | int wxJoystick::GetMaxButtons() const |
101ceb40 | 419 | { |
e6733873 | 420 | return wxJS_MAX_BUTTONS; // internal |
101ceb40 JS |
421 | } |
422 | ||
a800dc50 | 423 | int wxJoystick::GetMaxAxes() const |
101ceb40 | 424 | { |
e6733873 | 425 | return wxJS_MAX_AXES; // internal |
101ceb40 JS |
426 | } |
427 | ||
a800dc50 | 428 | int wxJoystick::GetPollingMin() const |
101ceb40 | 429 | { |
a800dc50 | 430 | return 10; |
101ceb40 JS |
431 | } |
432 | ||
a800dc50 | 433 | int wxJoystick::GetPollingMax() const |
101ceb40 | 434 | { |
a800dc50 | 435 | return 1000; |
101ceb40 JS |
436 | } |
437 | ||
a800dc50 | 438 | int wxJoystick::GetRudderMin() const |
101ceb40 | 439 | { |
a800dc50 | 440 | return wxJS_AXIS_MIN; |
101ceb40 JS |
441 | } |
442 | ||
a800dc50 | 443 | int wxJoystick::GetRudderMax() const |
101ceb40 | 444 | { |
a800dc50 | 445 | return wxJS_AXIS_MAX; |
101ceb40 JS |
446 | } |
447 | ||
a800dc50 | 448 | int wxJoystick::GetUMin() const |
101ceb40 | 449 | { |
a800dc50 | 450 | return wxJS_AXIS_MIN; |
101ceb40 JS |
451 | } |
452 | ||
a800dc50 | 453 | int wxJoystick::GetUMax() const |
101ceb40 | 454 | { |
a800dc50 | 455 | return wxJS_AXIS_MAX; |
101ceb40 JS |
456 | } |
457 | ||
a800dc50 | 458 | int wxJoystick::GetVMin() const |
101ceb40 | 459 | { |
a800dc50 | 460 | return wxJS_AXIS_MIN; |
101ceb40 JS |
461 | } |
462 | ||
a800dc50 | 463 | int wxJoystick::GetVMax() const |
101ceb40 | 464 | { |
a800dc50 | 465 | return wxJS_AXIS_MAX; |
101ceb40 JS |
466 | } |
467 | ||
a800dc50 | 468 | bool wxJoystick::HasRudder() const |
101ceb40 | 469 | { |
a800dc50 | 470 | return GetNumberAxes() >= wxJS_AXIS_RUDDER; |
101ceb40 JS |
471 | } |
472 | ||
a800dc50 | 473 | bool wxJoystick::HasZ() const |
101ceb40 | 474 | { |
a800dc50 | 475 | return GetNumberAxes() >= wxJS_AXIS_Z; |
101ceb40 JS |
476 | } |
477 | ||
a800dc50 | 478 | bool wxJoystick::HasU() const |
101ceb40 | 479 | { |
a800dc50 | 480 | return GetNumberAxes() >= wxJS_AXIS_U; |
101ceb40 JS |
481 | } |
482 | ||
a800dc50 | 483 | bool wxJoystick::HasV() const |
101ceb40 | 484 | { |
a800dc50 | 485 | return GetNumberAxes() >= wxJS_AXIS_V; |
101ceb40 JS |
486 | } |
487 | ||
a800dc50 | 488 | bool wxJoystick::HasPOV() const |
101ceb40 | 489 | { |
a800dc50 | 490 | return false; |
101ceb40 JS |
491 | } |
492 | ||
a800dc50 | 493 | bool wxJoystick::HasPOV4Dir() const |
101ceb40 | 494 | { |
a800dc50 | 495 | return false; |
101ceb40 JS |
496 | } |
497 | ||
a800dc50 | 498 | bool wxJoystick::HasPOVCTS() const |
101ceb40 | 499 | { |
a800dc50 | 500 | return false; |
101ceb40 JS |
501 | } |
502 | ||
503 | //////////////////////////////////////////////////////////////////////////// | |
504 | // Operations | |
505 | //////////////////////////////////////////////////////////////////////////// | |
506 | ||
be5fced5 | 507 | bool wxJoystick::SetCapture(wxWindow* win, int pollingFreq) |
101ceb40 | 508 | { |
a800dc50 RD |
509 | if (m_thread) |
510 | { | |
511 | m_thread->m_catchwin = win; | |
512 | m_thread->m_polling = pollingFreq; | |
513 | return true; | |
514 | } | |
515 | return false; | |
101ceb40 JS |
516 | } |
517 | ||
a800dc50 | 518 | bool wxJoystick::ReleaseCapture() |
101ceb40 | 519 | { |
a800dc50 RD |
520 | if (m_thread) |
521 | { | |
522 | m_thread->m_catchwin = NULL; | |
523 | m_thread->m_polling = 0; | |
524 | return true; | |
525 | } | |
526 | return false; | |
101ceb40 | 527 | } |
f6bcfd97 | 528 | #endif // wxUSE_JOYSTICK |