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frontend: make analogs configurable
[pcsx_rearmed.git] / frontend / common / input.c
CommitLineData
698517be 1/*
f2de172b 2 * (C) GraÅžvydas "notaz" Ignotas, 2008-2011
698517be 3 *
4 * This work is licensed under the terms of any of these licenses
5 * (at your option):
6 * - GNU GPL, version 2 or later.
7 * - GNU LGPL, version 2.1 or later.
8 * See the COPYING file in the top-level directory.
9 */
10
11#include <stdio.h>
12#include <stdlib.h>
13#include <string.h>
14
15#include "input.h"
16#include "plat.h"
17#include "lprintf.h"
18
698517be 19#ifdef IN_GP2X
f2de172b 20#error needs update: in_gp2x_init in_gp2x_update
698517be 21#include "../gp2x/in_gp2x.h"
22#endif
23#ifdef IN_VK
f2de172b 24#error needs update: in_vk_init in_vk_update
698517be 25#include "../win32/in_vk.h"
26#endif
27
28typedef struct
29{
30 int drv_id;
31 int drv_fd_hnd;
32 void *drv_data;
33 char *name;
34 int key_count;
35 int *binds; /* total = key_count * bindtypes * 2 */
36 const char * const *key_names;
37 unsigned int probed:1;
38 unsigned int does_combos:1;
39} in_dev_t;
40
f2de172b 41static in_drv_t *in_drivers;
698517be 42static in_dev_t in_devices[IN_MAX_DEVS];
f2de172b 43static int in_driver_count = 0;
605e6809 44static int in_dev_count = 0; /* probed + bind devices */
698517be 45static int in_have_async_devs = 0;
f2de172b 46static int in_probe_dev_id;
698517be 47static int menu_key_state = 0;
48static int menu_last_used_dev = 0;
49
f2de172b 50#define DRV(id) in_drivers[id]
698517be 51
52
53static int *in_alloc_binds(int drv_id, int key_count)
54{
55 int *binds;
56
57 binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
58 if (binds == NULL)
59 return NULL;
60
61 DRV(drv_id).get_def_binds(binds + key_count * IN_BINDTYPE_COUNT);
62 memcpy(binds, binds + key_count * IN_BINDTYPE_COUNT,
63 sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT);
64
65 return binds;
66}
67
605e6809 68static void in_unprobe(in_dev_t *dev)
698517be 69{
70 if (dev->probed)
71 DRV(dev->drv_id).free(dev->drv_data);
72 dev->probed = 0;
73 dev->drv_data = NULL;
605e6809 74}
75
76static void in_free(in_dev_t *dev)
77{
78 in_unprobe(dev);
698517be 79 free(dev->name);
80 dev->name = NULL;
81 free(dev->binds);
82 dev->binds = NULL;
83}
84
85/* to be called by drivers
86 * async devices must set drv_fd_hnd to -1 */
f2de172b 87void in_register(const char *nname, int drv_fd_hnd, void *drv_data,
698517be 88 int key_count, const char * const *key_names, int combos)
89{
90 int i, ret, dupe_count = 0, *binds;
91 char name[256], *name_end, *tmp;
92
93 strncpy(name, nname, sizeof(name));
94 name[sizeof(name)-12] = 0;
95 name_end = name + strlen(name);
96
97 for (i = 0; i < in_dev_count; i++)
98 {
99 if (in_devices[i].name == NULL)
100 continue;
101 if (strcmp(in_devices[i].name, name) == 0)
102 {
103 if (in_devices[i].probed) {
104 dupe_count++;
105 sprintf(name_end, " [%d]", dupe_count);
106 continue;
107 }
108 goto update;
109 }
110 }
111
112 if (i >= IN_MAX_DEVS)
113 {
114 /* try to find unused device */
115 for (i = 0; i < IN_MAX_DEVS; i++)
116 if (!in_devices[i].probed) break;
117 if (i >= IN_MAX_DEVS) {
118 lprintf("input: too many devices, can't add %s\n", name);
119 return;
120 }
121 in_free(&in_devices[i]);
122 }
123
124 tmp = strdup(name);
125 if (tmp == NULL)
126 return;
127
f2de172b 128 binds = in_alloc_binds(in_probe_dev_id, key_count);
698517be 129 if (binds == NULL) {
130 free(tmp);
131 return;
132 }
133
134 in_devices[i].name = tmp;
135 in_devices[i].binds = binds;
136 in_devices[i].key_count = key_count;
137 if (i + 1 > in_dev_count)
138 in_dev_count = i + 1;
139
140 lprintf("input: new device #%d \"%s\"\n", i, name);
141update:
142 in_devices[i].probed = 1;
143 in_devices[i].does_combos = combos;
f2de172b 144 in_devices[i].drv_id = in_probe_dev_id;
698517be 145 in_devices[i].drv_fd_hnd = drv_fd_hnd;
146 in_devices[i].key_names = key_names;
147 in_devices[i].drv_data = drv_data;
148
149 if (in_devices[i].binds != NULL) {
f2de172b 150 ret = DRV(in_probe_dev_id).clean_binds(drv_data, in_devices[i].binds,
698517be 151 in_devices[i].binds + key_count * IN_BINDTYPE_COUNT);
152 if (ret == 0) {
153 /* no useable binds */
154 free(in_devices[i].binds);
155 in_devices[i].binds = NULL;
156 }
157 }
158}
159
160/* key combo handling, to be called by drivers that support it.
161 * Only care about IN_BINDTYPE_EMU */
162void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts)
163{
164 int act, u;
165
166 *combo_keys = *combo_acts = 0;
167 for (act = 0; act < sizeof(binds[0]) * 8; act++)
168 {
169 int keyc = 0;
170 for (u = 0; u <= last_key; u++)
171 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act))
172 keyc++;
173
174 if (keyc > 1)
175 {
176 // loop again and mark those keys and actions as combo
177 for (u = 0; u <= last_key; u++)
178 {
179 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) {
180 *combo_keys |= 1 << u;
181 *combo_acts |= 1 << act;
182 }
183 }
184 }
185 }
186}
187
188int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts)
189{
190 int i, ret = 0;
191
192 for (i = 0; i <= last_key; i++)
193 {
194 int acts, acts_c, u;
195
196 if (!(keys & (1 << i)))
197 continue;
198
199 acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
200 if (!acts)
201 continue;
202
203 if (!(combo_keys & (1 << i))) {
204 ret |= acts;
205 continue;
206 }
207
208 acts_c = acts & combo_acts;
209 u = last_key;
210 if (acts_c) {
211 // let's try to find the other one
212 for (u = i + 1; u <= last_key; u++)
213 if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) {
214 ret |= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)];
215 keys &= ~((1 << i) | (1 << u));
216 break;
217 }
218 }
219 // add non-combo actions if combo ones were not found
220 if (u >= last_key)
221 ret |= acts & ~combo_acts;
222 }
223
224 return ret;
225}
226
227void in_probe(void)
228{
229 int i;
230
231 in_have_async_devs = 0;
605e6809 232 menu_key_state = 0;
233 menu_last_used_dev = 0;
234
698517be 235 for (i = 0; i < in_dev_count; i++)
605e6809 236 in_unprobe(&in_devices[i]);
698517be 237
f2de172b 238 for (i = 0; i < in_driver_count; i++) {
239 in_probe_dev_id = i;
698517be 240 in_drivers[i].probe();
f2de172b 241 }
698517be 242
243 /* get rid of devs without binds and probes */
244 for (i = 0; i < in_dev_count; i++) {
245 if (!in_devices[i].probed && in_devices[i].binds == NULL) {
246 in_dev_count--;
247 if (i < in_dev_count) {
248 free(in_devices[i].name);
249 memmove(&in_devices[i], &in_devices[i+1],
250 (in_dev_count - i) * sizeof(in_devices[0]));
251 }
252
253 continue;
254 }
255
256 if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1)
257 in_have_async_devs = 1;
258 }
259
260 if (in_have_async_devs)
261 lprintf("input: async-only devices detected..\n");
262
263 in_debug_dump();
264}
265
266/* async update */
267int in_update(int *result)
268{
269 int i, ret = 0;
270
271 for (i = 0; i < in_dev_count; i++) {
272 in_dev_t *dev = &in_devices[i];
f2de172b 273 if (dev->probed && dev->binds != NULL)
274 ret |= DRV(dev->drv_id).update(dev->drv_data, dev->binds, result);
698517be 275 }
276
277 return ret;
278}
279
1b0c5139 280static in_dev_t *get_dev(int dev_id)
281{
282 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
283 return NULL;
284
285 return &in_devices[dev_id];
286}
287
288int in_update_analog(int dev_id, int axis_id, int *result)
289{
290 in_dev_t *dev = get_dev(dev_id);
291
292 if (dev == NULL || !dev->probed)
293 return -1;
294
295 return DRV(dev->drv_id).update_analog(dev->drv_data, axis_id, result);
296}
297
698517be 298static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
299{
300 int i, is_down, result;
301 unsigned int ticks;
302
303 ticks = plat_get_ticks_ms();
304
305 while (1)
306 {
307 for (i = 0; i < in_dev_count; i++) {
308 in_dev_t *d = &in_devices[i];
309 if (!d->probed)
310 continue;
311
312 result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
313 if (result == -1)
314 continue;
315
316 if (dev_id_out)
317 *dev_id_out = i;
318 if (is_down_out)
319 *is_down_out = is_down;
320 return result;
321 }
322
323 if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
324 break;
325
326 plat_sleep_ms(10);
327 }
328
329 return -1;
330}
331
332/*
333 * wait for a press, always return some keycode or -1 on timeout or error
334 */
335int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
336{
337 int result = -1, dev_id = 0, is_down, result_menu;
338 int fds_hnds[IN_MAX_DEVS];
339 int i, ret, count = 0;
340 in_drv_t *drv = NULL;
341 unsigned int ticks;
342
343 if (in_have_async_devs) {
344 result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
345 if (result == -1)
346 return -1;
347 drv = &DRV(in_devices[dev_id].drv_id);
348 goto finish;
349 }
350
351 ticks = plat_get_ticks_ms();
352
353 for (i = 0; i < in_dev_count; i++) {
354 if (in_devices[i].probed)
355 fds_hnds[count++] = in_devices[i].drv_fd_hnd;
356 }
357
358 if (count == 0) {
359 /* don't deadlock, fail */
360 lprintf("input: failed to find devices to read\n");
361 exit(1);
362 }
363
364 while (1)
365 {
366 ret = plat_wait_event(fds_hnds, count, timeout_ms);
367 if (ret < 0)
368 break;
369
370 for (i = 0; i < in_dev_count; i++) {
371 if (in_devices[i].drv_fd_hnd == ret) {
372 dev_id = i;
373 break;
374 }
375 }
376
377 drv = &DRV(in_devices[dev_id].drv_id);
378 result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
379 if (result >= 0)
380 break;
381
605e6809 382 if (result == -2) {
383 lprintf("input: \"%s\" errored out, removing.\n", in_devices[dev_id].name);
384 in_unprobe(&in_devices[dev_id]);
385 break;
386 }
387
698517be 388 if (timeout_ms >= 0) {
389 unsigned int ticks2 = plat_get_ticks_ms();
390 timeout_ms -= ticks2 - ticks;
391 ticks = ticks2;
392 if (timeout_ms <= 0)
393 break;
394 }
395 }
396
397 if (result < 0)
398 return -1;
399finish:
400 /* keep track of menu key state, to allow mixing
401 * in_update_keycode() and in_menu_wait_any() calls */
402 result_menu = drv->menu_translate(in_devices[dev_id].drv_data, result);
403 if (result_menu != 0) {
404 if (is_down)
405 menu_key_state |= result_menu;
406 else
407 menu_key_state &= ~result_menu;
408 }
409
410 if (dev_id_out != NULL)
411 *dev_id_out = dev_id;
412 if (is_down_out != NULL)
413 *is_down_out = is_down;
414 return result;
415}
416
417/* same as above, only return bitfield of PBTN_* */
418int in_menu_wait_any(int timeout_ms)
419{
420 int keys_old = menu_key_state;
421
422 while (1)
423 {
424 int code, is_down = 0, dev_id = 0;
425
426 code = in_update_keycode(&dev_id, &is_down, timeout_ms);
427 if (code < 0)
428 break;
429
430 if (keys_old != menu_key_state) {
431 menu_last_used_dev = dev_id;
432 break;
433 }
434 }
435
436 return menu_key_state;
437}
438
439/* wait for menu input, do autorepeat */
440int in_menu_wait(int interesting, int autorep_delay_ms)
441{
442 static int inp_prev = 0;
443 static int repeats = 0;
444 int ret, release = 0, wait = 450;
445
446 if (repeats)
447 wait = autorep_delay_ms;
448
449 ret = in_menu_wait_any(wait);
450 if (ret == inp_prev)
451 repeats++;
452
453 while (!(ret & interesting)) {
454 ret = in_menu_wait_any(-1);
455 release = 1;
456 }
457
458 if (release || ret != inp_prev)
459 repeats = 0;
460
461 inp_prev = ret;
462
463 /* we don't need diagonals in menus */
464 if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
465 if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
466 if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
467 if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
468
469 return ret;
470}
471
472const int *in_get_dev_binds(int dev_id)
473{
1b0c5139 474 in_dev_t *dev = get_dev(dev_id);
698517be 475
1b0c5139 476 return dev ? dev->binds : NULL;
698517be 477}
478
479const int *in_get_dev_def_binds(int dev_id)
480{
1b0c5139 481 in_dev_t *dev = get_dev(dev_id);
482 if (dev == NULL)
698517be 483 return NULL;
484
1b0c5139 485 return dev->binds + dev->key_count * IN_BINDTYPE_COUNT;
698517be 486}
487
488int in_get_config(int dev_id, int what, void *val)
489{
490 int *ival = val;
491 in_dev_t *dev;
492
1b0c5139 493 dev = get_dev(dev_id);
494 if (dev == NULL || val == NULL)
698517be 495 return -1;
496
698517be 497 switch (what) {
498 case IN_CFG_BIND_COUNT:
499 *ival = dev->key_count;
500 break;
501 case IN_CFG_DOES_COMBOS:
502 *ival = dev->does_combos;
503 break;
504 case IN_CFG_BLOCKING:
505 case IN_CFG_KEY_NAMES:
506 return -1; /* not implemented */
507 default:
508 return DRV(dev->drv_id).get_config(dev->drv_data, what, ival);
509 }
510
511 return 0;
512}
513
514static int in_set_blocking(int is_blocking)
515{
516 int i, ret;
517
518 /* have_async_devs means we will have to do all reads async anyway.. */
519 if (!in_have_async_devs) {
520 for (i = 0; i < in_dev_count; i++) {
521 if (in_devices[i].probed)
522 DRV(in_devices[i].drv_id).set_config(in_devices[i].drv_data,
523 IN_CFG_BLOCKING, is_blocking);
524 }
525 }
526
527 menu_key_state = 0;
528
529 /* flush events */
530 do {
531 ret = in_update_keycode(NULL, NULL, 0);
532 } while (ret >= 0);
533
534 return 0;
535}
536
537int in_set_config(int dev_id, int what, const void *val, int size)
538{
539 const int *ival = val;
540 in_dev_t *dev;
541
542 if (what == IN_CFG_BLOCKING)
543 return in_set_blocking(*ival);
544
1b0c5139 545 dev = get_dev(dev_id);
546 if (dev == NULL)
698517be 547 return -1;
548
698517be 549 if (what == IN_CFG_KEY_NAMES) {
550 const char * const *names = val;
551 int count = size / sizeof(names[0]);
552
553 if (count < dev->key_count) {
554 lprintf("input: set_key_names: not enough keys\n");
555 return -1;
556 }
557
558 dev->key_names = names;
559 return 0;
560 }
561
90f1c767 562 if (dev->probed)
563 return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival);
564
565 return -1;
698517be 566}
567
568const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
569{
570 const char *name, *tmp;
1b0c5139 571 in_dev_t *dev;
698517be 572
1b0c5139 573 dev = get_dev(dev_id);
574 if (dev == NULL)
698517be 575 return NULL;
576
1b0c5139 577 if (must_be_active && !dev->probed)
698517be 578 return NULL;
579
1b0c5139 580 name = dev->name;
698517be 581 if (name == NULL || !skip_pfix)
582 return name;
583
584 /* skip prefix */
585 tmp = strchr(name, ':');
586 if (tmp != NULL)
587 name = tmp + 1;
588
589 return name;
590}
591
592int in_name_to_id(const char *dev_name)
593{
594 int i;
595
596 for (i = 0; i < in_dev_count; i++)
597 if (strcmp(dev_name, in_devices[i].name) == 0)
598 break;
599
600 if (i >= in_dev_count) {
601 lprintf("input: in_name_to_id: no such device: %s\n", dev_name);
602 return -1;
603 }
604
605 return i;
606}
607
608/* never returns NULL */
609const char *in_get_key_name(int dev_id, int keycode)
610{
611 const char *name = NULL;
612 static char xname[16];
f2de172b 613 in_drv_t *drv;
698517be 614 in_dev_t *dev;
615
616 if (dev_id < 0) /* want last used dev? */
617 dev_id = menu_last_used_dev;
618
1b0c5139 619 dev = get_dev(dev_id);
620 if (dev == NULL)
698517be 621 return "Unkn0";
622
f2de172b 623 drv = &DRV(dev->drv_id);
698517be 624 if (keycode < 0) /* want name for menu key? */
f2de172b 625 keycode = drv->menu_translate(dev->drv_data, keycode);
698517be 626
627 if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count)
628 name = dev->key_names[keycode];
629 if (name != NULL)
630 return name;
631
f2de172b 632 if (drv->get_key_name != NULL)
633 name = drv->get_key_name(keycode);
698517be 634 if (name != NULL)
635 return name;
636
637 /* assume scancode */
638 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
639 || (keycode >= 'A' && keycode <= 'Z'))
640 sprintf(xname, "%c", keycode);
641 else
642 sprintf(xname, "\\x%02X", keycode);
643 return xname;
644}
645
646int in_get_key_code(int dev_id, const char *key_name)
647{
648 in_dev_t *dev;
649 int i;
650
651 if (dev_id < 0) /* want last used dev? */
652 dev_id = menu_last_used_dev;
653
1b0c5139 654 dev = get_dev(dev_id);
655 if (dev == NULL)
698517be 656 return -1;
657
698517be 658 if (dev->key_names == NULL)
659 return -1;
660
661 for (i = 0; i < dev->key_count; i++)
662 if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0)
663 return i;
664
665 return -1;
666}
667
668int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
669{
670 int ret, count;
671 in_dev_t *dev;
672
1b0c5139 673 dev = get_dev(dev_id);
674 if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT)
698517be 675 return -1;
676
698517be 677 count = dev->key_count;
678
679 if (dev->binds == NULL) {
680 if (force_unbind)
681 return 0;
682 dev->binds = in_alloc_binds(dev->drv_id, count);
683 if (dev->binds == NULL)
684 return -1;
685 }
686
687 if (keycode < 0 || keycode >= count)
688 return -1;
689
690 if (force_unbind)
691 dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
692 else
693 dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
694
695 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
696 dev->binds + count * IN_BINDTYPE_COUNT);
697 if (ret == 0) {
698 free(dev->binds);
699 dev->binds = NULL;
700 }
701
702 return 0;
703}
704
43bca6fb 705/*
706 * Unbind act_mask on binds with type bind_type
707 * - if dev_id_ < 0, affects all devices
708 * else only affects dev_id_
709 * - if act_mask == -1, unbind all keys
710 * else only actions in mask
711 */
712void in_unbind_all(int dev_id_, int act_mask, int bind_type)
698517be 713{
43bca6fb 714 int dev_id = 0, dev_last = IN_MAX_DEVS - 1;
698517be 715 int i, count;
716 in_dev_t *dev;
717
43bca6fb 718 if (dev_id_ >= 0)
719 dev_id = dev_last = dev_id_;
720
721 if (bind_type >= IN_BINDTYPE_COUNT)
698517be 722 return;
723
43bca6fb 724 for (; dev_id <= dev_last; dev_id++) {
725 dev = &in_devices[dev_id];
726 count = dev->key_count;
698517be 727
43bca6fb 728 if (dev->binds == NULL)
729 continue;
698517be 730
43bca6fb 731 if (act_mask != -1) {
732 for (i = 0; i < count; i++)
733 dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
734 }
735 else
736 memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT);
737 }
698517be 738}
739
740/* returns device id, or -1 on error */
741int in_config_parse_dev(const char *name)
742{
743 int drv_id = -1, i;
744
f2de172b 745 for (i = 0; i < in_driver_count; i++) {
698517be 746 int len = strlen(in_drivers[i].prefix);
747 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
748 drv_id = i;
749 break;
750 }
751 }
752
753 if (drv_id < 0) {
754 lprintf("input: missing driver for %s\n", name);
755 return -1;
756 }
757
758 for (i = 0; i < in_dev_count; i++)
759 {
760 if (in_devices[i].name == NULL)
761 continue;
762 if (strcmp(in_devices[i].name, name) == 0)
763 return i;
764 }
765
766 if (i >= IN_MAX_DEVS)
767 {
768 /* try to find unused device */
769 for (i = 0; i < IN_MAX_DEVS; i++)
770 if (in_devices[i].name == NULL) break;
771 if (i >= IN_MAX_DEVS) {
772 lprintf("input: too many devices, can't add %s\n", name);
773 return -1;
774 }
775 }
776
777 memset(&in_devices[i], 0, sizeof(in_devices[i]));
778
779 in_devices[i].name = strdup(name);
780 if (in_devices[i].name == NULL)
781 return -1;
782
605e6809 783 in_devices[i].key_names = DRV(drv_id).get_key_names(&in_devices[i].key_count);
698517be 784 in_devices[i].drv_id = drv_id;
785
786 if (i + 1 > in_dev_count)
787 in_dev_count = i + 1;
788
789 return i;
790}
791
698517be 792int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
793{
794 in_dev_t *dev;
795 int i, offs, kc;
796
1b0c5139 797 dev = get_dev(dev_id);
798 if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT)
698517be 799 return -1;
698517be 800
801 /* maybe a raw code? */
802 if (key[0] == '\\' && key[1] == 'x') {
803 char *p = NULL;
804 kc = (int)strtoul(key + 2, &p, 16);
805 if (p == NULL || *p != 0)
806 kc = -1;
807 }
808 else {
809 /* device specific key name */
810 if (dev->binds == NULL) {
811 dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
812 if (dev->binds == NULL)
813 return -1;
698517be 814 }
815
816 kc = -1;
817 if (dev->key_names != NULL) {
818 for (i = 0; i < dev->key_count; i++) {
819 const char *k = dev->key_names[i];
820 if (k != NULL && strcasecmp(k, key) == 0) {
821 kc = i;
822 break;
823 }
824 }
825 }
826
827 if (kc < 0)
828 kc = DRV(dev->drv_id).get_key_code(key);
829 if (kc < 0 && strlen(key) == 1) {
830 /* assume scancode */
831 kc = key[0];
832 }
833 }
834
835 if (kc < 0 || kc >= dev->key_count) {
836 lprintf("input: bad key: %s\n", key);
837 return -1;
838 }
839
840 if (bind_type == IN_BINDTYPE_NONE) {
841 for (i = 0; i < IN_BINDTYPE_COUNT; i++)
842 dev->binds[IN_BIND_OFFS(kc, i)] = 0;
843 return 0;
844 }
845
846 offs = IN_BIND_OFFS(kc, bind_type);
847 if (dev->binds[offs] == -1)
848 dev->binds[offs] = 0;
849 dev->binds[offs] |= acts;
850 return 0;
851}
852
0079b7b4 853void in_clean_binds(void)
698517be 854{
855 int i;
856
857 for (i = 0; i < IN_MAX_DEVS; i++) {
0079b7b4 858 int ret, count, *binds, *def_binds;
698517be 859 in_dev_t *dev = &in_devices[i];
860
0079b7b4 861 if (dev->binds == NULL || dev->drv_data == NULL)
698517be 862 continue;
863
864 count = dev->key_count;
865 binds = dev->binds;
866 def_binds = binds + count * IN_BINDTYPE_COUNT;
867
698517be 868 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
869 if (ret == 0) {
870 /* no useable binds */
871 free(dev->binds);
872 dev->binds = NULL;
873 }
874 }
875}
876
877void in_debug_dump(void)
878{
879 int i;
880
881 lprintf("# drv probed binds name\n");
882 for (i = 0; i < IN_MAX_DEVS; i++) {
883 in_dev_t *d = &in_devices[i];
884 if (!d->probed && d->name == NULL && d->binds == NULL)
885 continue;
886 lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
887 d->binds ? 'y' : 'n', d->name);
888 }
889}
890
f2de172b 891/* stubs for drivers that choose not to implement something */
698517be 892
698517be 893static void in_def_free(void *drv_data) {}
698517be 894static void in_def_get_def_binds(int *binds) {}
f2de172b 895static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 1; }
698517be 896static int in_def_get_config(void *drv_data, int what, int *val) { return -1; }
897static int in_def_set_config(void *drv_data, int what, int val) { return -1; }
1b0c5139 898static int in_def_update_analog(void *drv_data, int axis_id, int *result) { return -1; }
698517be 899static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
f2de172b 900static int in_def_menu_translate(void *drv_data, int keycode) { return 0; }
698517be 901static int in_def_get_key_code(const char *key_name) { return -1; }
902static const char *in_def_get_key_name(int keycode) { return NULL; }
903
f2de172b 904#define CHECK_ADD_STUB(d, f) \
905 if (d.f == NULL) d.f = in_def_##f
698517be 906
f2de172b 907/* to be called by drivers */
908int in_register_driver(const in_drv_t *drv)
909{
910 int count_new = in_driver_count + 1;
911 in_drv_t *new_drivers;
698517be 912
f2de172b 913 new_drivers = realloc(in_drivers, count_new * sizeof(in_drivers[0]));
914 if (new_drivers == NULL) {
915 lprintf("input: in_register_driver OOM\n");
916 return -1;
698517be 917 }
918
f2de172b 919 memcpy(&new_drivers[in_driver_count], drv, sizeof(new_drivers[0]));
920
921 CHECK_ADD_STUB(new_drivers[in_driver_count], free);
922 CHECK_ADD_STUB(new_drivers[in_driver_count], get_def_binds);
923 CHECK_ADD_STUB(new_drivers[in_driver_count], clean_binds);
924 CHECK_ADD_STUB(new_drivers[in_driver_count], get_config);
925 CHECK_ADD_STUB(new_drivers[in_driver_count], set_config);
1b0c5139 926 CHECK_ADD_STUB(new_drivers[in_driver_count], update_analog);
f2de172b 927 CHECK_ADD_STUB(new_drivers[in_driver_count], update_keycode);
928 CHECK_ADD_STUB(new_drivers[in_driver_count], menu_translate);
929 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_code);
930 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_name);
931 in_drivers = new_drivers;
932 in_driver_count = count_new;
933
934 return 0;
935}
936
937void in_init(void)
938{
939 in_drivers = NULL;
940 memset(in_devices, 0, sizeof(in_devices));
941 in_driver_count = 0;
942 in_dev_count = 0;
698517be 943}
944
945#if 0
946int main(void)
947{
948 int ret;
949
950 in_init();
951 in_probe();
952
953 in_set_blocking(1);
954
955#if 1
956 while (1) {
957 int dev = 0, down;
958 ret = in_update_keycode(&dev, &down);
959 lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
960 }
961#else
962 while (1) {
963 ret = in_menu_wait_any();
964 lprintf("%08x\n", ret);
965 }
966#endif
967
968 return 0;
969}
970#endif
ARM optimized PCSX fork