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frontend: input: don't configure unprobed devices
[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
280static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
281{
282 int i, is_down, result;
283 unsigned int ticks;
284
285 ticks = plat_get_ticks_ms();
286
287 while (1)
288 {
289 for (i = 0; i < in_dev_count; i++) {
290 in_dev_t *d = &in_devices[i];
291 if (!d->probed)
292 continue;
293
294 result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
295 if (result == -1)
296 continue;
297
298 if (dev_id_out)
299 *dev_id_out = i;
300 if (is_down_out)
301 *is_down_out = is_down;
302 return result;
303 }
304
305 if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
306 break;
307
308 plat_sleep_ms(10);
309 }
310
311 return -1;
312}
313
314/*
315 * wait for a press, always return some keycode or -1 on timeout or error
316 */
317int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
318{
319 int result = -1, dev_id = 0, is_down, result_menu;
320 int fds_hnds[IN_MAX_DEVS];
321 int i, ret, count = 0;
322 in_drv_t *drv = NULL;
323 unsigned int ticks;
324
325 if (in_have_async_devs) {
326 result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
327 if (result == -1)
328 return -1;
329 drv = &DRV(in_devices[dev_id].drv_id);
330 goto finish;
331 }
332
333 ticks = plat_get_ticks_ms();
334
335 for (i = 0; i < in_dev_count; i++) {
336 if (in_devices[i].probed)
337 fds_hnds[count++] = in_devices[i].drv_fd_hnd;
338 }
339
340 if (count == 0) {
341 /* don't deadlock, fail */
342 lprintf("input: failed to find devices to read\n");
343 exit(1);
344 }
345
346 while (1)
347 {
348 ret = plat_wait_event(fds_hnds, count, timeout_ms);
349 if (ret < 0)
350 break;
351
352 for (i = 0; i < in_dev_count; i++) {
353 if (in_devices[i].drv_fd_hnd == ret) {
354 dev_id = i;
355 break;
356 }
357 }
358
359 drv = &DRV(in_devices[dev_id].drv_id);
360 result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
361 if (result >= 0)
362 break;
363
605e6809 364 if (result == -2) {
365 lprintf("input: \"%s\" errored out, removing.\n", in_devices[dev_id].name);
366 in_unprobe(&in_devices[dev_id]);
367 break;
368 }
369
698517be 370 if (timeout_ms >= 0) {
371 unsigned int ticks2 = plat_get_ticks_ms();
372 timeout_ms -= ticks2 - ticks;
373 ticks = ticks2;
374 if (timeout_ms <= 0)
375 break;
376 }
377 }
378
379 if (result < 0)
380 return -1;
381finish:
382 /* keep track of menu key state, to allow mixing
383 * in_update_keycode() and in_menu_wait_any() calls */
384 result_menu = drv->menu_translate(in_devices[dev_id].drv_data, result);
385 if (result_menu != 0) {
386 if (is_down)
387 menu_key_state |= result_menu;
388 else
389 menu_key_state &= ~result_menu;
390 }
391
392 if (dev_id_out != NULL)
393 *dev_id_out = dev_id;
394 if (is_down_out != NULL)
395 *is_down_out = is_down;
396 return result;
397}
398
399/* same as above, only return bitfield of PBTN_* */
400int in_menu_wait_any(int timeout_ms)
401{
402 int keys_old = menu_key_state;
403
404 while (1)
405 {
406 int code, is_down = 0, dev_id = 0;
407
408 code = in_update_keycode(&dev_id, &is_down, timeout_ms);
409 if (code < 0)
410 break;
411
412 if (keys_old != menu_key_state) {
413 menu_last_used_dev = dev_id;
414 break;
415 }
416 }
417
418 return menu_key_state;
419}
420
421/* wait for menu input, do autorepeat */
422int in_menu_wait(int interesting, int autorep_delay_ms)
423{
424 static int inp_prev = 0;
425 static int repeats = 0;
426 int ret, release = 0, wait = 450;
427
428 if (repeats)
429 wait = autorep_delay_ms;
430
431 ret = in_menu_wait_any(wait);
432 if (ret == inp_prev)
433 repeats++;
434
435 while (!(ret & interesting)) {
436 ret = in_menu_wait_any(-1);
437 release = 1;
438 }
439
440 if (release || ret != inp_prev)
441 repeats = 0;
442
443 inp_prev = ret;
444
445 /* we don't need diagonals in menus */
446 if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
447 if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
448 if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
449 if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
450
451 return ret;
452}
453
454const int *in_get_dev_binds(int dev_id)
455{
456 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
457 return NULL;
458
459 return in_devices[dev_id].binds;
460}
461
462const int *in_get_dev_def_binds(int dev_id)
463{
464 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
465 return NULL;
466
467 return in_devices[dev_id].binds + in_devices[dev_id].key_count * IN_BINDTYPE_COUNT;
468}
469
470int in_get_config(int dev_id, int what, void *val)
471{
472 int *ival = val;
473 in_dev_t *dev;
474
475 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || val == NULL)
476 return -1;
477
478 dev = &in_devices[dev_id];
479 switch (what) {
480 case IN_CFG_BIND_COUNT:
481 *ival = dev->key_count;
482 break;
483 case IN_CFG_DOES_COMBOS:
484 *ival = dev->does_combos;
485 break;
486 case IN_CFG_BLOCKING:
487 case IN_CFG_KEY_NAMES:
488 return -1; /* not implemented */
489 default:
490 return DRV(dev->drv_id).get_config(dev->drv_data, what, ival);
491 }
492
493 return 0;
494}
495
496static int in_set_blocking(int is_blocking)
497{
498 int i, ret;
499
500 /* have_async_devs means we will have to do all reads async anyway.. */
501 if (!in_have_async_devs) {
502 for (i = 0; i < in_dev_count; i++) {
503 if (in_devices[i].probed)
504 DRV(in_devices[i].drv_id).set_config(in_devices[i].drv_data,
505 IN_CFG_BLOCKING, is_blocking);
506 }
507 }
508
509 menu_key_state = 0;
510
511 /* flush events */
512 do {
513 ret = in_update_keycode(NULL, NULL, 0);
514 } while (ret >= 0);
515
516 return 0;
517}
518
519int in_set_config(int dev_id, int what, const void *val, int size)
520{
521 const int *ival = val;
522 in_dev_t *dev;
523
524 if (what == IN_CFG_BLOCKING)
525 return in_set_blocking(*ival);
526
527 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
528 return -1;
529
530 dev = &in_devices[dev_id];
531 if (what == IN_CFG_KEY_NAMES) {
532 const char * const *names = val;
533 int count = size / sizeof(names[0]);
534
535 if (count < dev->key_count) {
536 lprintf("input: set_key_names: not enough keys\n");
537 return -1;
538 }
539
540 dev->key_names = names;
541 return 0;
542 }
543
90f1c767 544 if (dev->probed)
545 return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival);
546
547 return -1;
698517be 548}
549
550const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
551{
552 const char *name, *tmp;
553
554 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
555 return NULL;
556
557 if (must_be_active && !in_devices[dev_id].probed)
558 return NULL;
559
560 name = in_devices[dev_id].name;
561 if (name == NULL || !skip_pfix)
562 return name;
563
564 /* skip prefix */
565 tmp = strchr(name, ':');
566 if (tmp != NULL)
567 name = tmp + 1;
568
569 return name;
570}
571
572int in_name_to_id(const char *dev_name)
573{
574 int i;
575
576 for (i = 0; i < in_dev_count; i++)
577 if (strcmp(dev_name, in_devices[i].name) == 0)
578 break;
579
580 if (i >= in_dev_count) {
581 lprintf("input: in_name_to_id: no such device: %s\n", dev_name);
582 return -1;
583 }
584
585 return i;
586}
587
588/* never returns NULL */
589const char *in_get_key_name(int dev_id, int keycode)
590{
591 const char *name = NULL;
592 static char xname[16];
f2de172b 593 in_drv_t *drv;
698517be 594 in_dev_t *dev;
595
596 if (dev_id < 0) /* want last used dev? */
597 dev_id = menu_last_used_dev;
598
599 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
600 return "Unkn0";
601
602 dev = &in_devices[dev_id];
f2de172b 603 drv = &DRV(dev->drv_id);
698517be 604 if (keycode < 0) /* want name for menu key? */
f2de172b 605 keycode = drv->menu_translate(dev->drv_data, keycode);
698517be 606
607 if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count)
608 name = dev->key_names[keycode];
609 if (name != NULL)
610 return name;
611
f2de172b 612 if (drv->get_key_name != NULL)
613 name = drv->get_key_name(keycode);
698517be 614 if (name != NULL)
615 return name;
616
617 /* assume scancode */
618 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
619 || (keycode >= 'A' && keycode <= 'Z'))
620 sprintf(xname, "%c", keycode);
621 else
622 sprintf(xname, "\\x%02X", keycode);
623 return xname;
624}
625
626int in_get_key_code(int dev_id, const char *key_name)
627{
628 in_dev_t *dev;
629 int i;
630
631 if (dev_id < 0) /* want last used dev? */
632 dev_id = menu_last_used_dev;
633
634 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
635 return -1;
636
637 dev = &in_devices[dev_id];
638 if (dev->key_names == NULL)
639 return -1;
640
641 for (i = 0; i < dev->key_count; i++)
642 if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0)
643 return i;
644
645 return -1;
646}
647
648int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
649{
650 int ret, count;
651 in_dev_t *dev;
652
653 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
654 return -1;
655
656 dev = &in_devices[dev_id];
657 count = dev->key_count;
658
659 if (dev->binds == NULL) {
660 if (force_unbind)
661 return 0;
662 dev->binds = in_alloc_binds(dev->drv_id, count);
663 if (dev->binds == NULL)
664 return -1;
665 }
666
667 if (keycode < 0 || keycode >= count)
668 return -1;
669
670 if (force_unbind)
671 dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
672 else
673 dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
674
675 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
676 dev->binds + count * IN_BINDTYPE_COUNT);
677 if (ret == 0) {
678 free(dev->binds);
679 dev->binds = NULL;
680 }
681
682 return 0;
683}
684
43bca6fb 685/*
686 * Unbind act_mask on binds with type bind_type
687 * - if dev_id_ < 0, affects all devices
688 * else only affects dev_id_
689 * - if act_mask == -1, unbind all keys
690 * else only actions in mask
691 */
692void in_unbind_all(int dev_id_, int act_mask, int bind_type)
698517be 693{
43bca6fb 694 int dev_id = 0, dev_last = IN_MAX_DEVS - 1;
698517be 695 int i, count;
696 in_dev_t *dev;
697
43bca6fb 698 if (dev_id_ >= 0)
699 dev_id = dev_last = dev_id_;
700
701 if (bind_type >= IN_BINDTYPE_COUNT)
698517be 702 return;
703
43bca6fb 704 for (; dev_id <= dev_last; dev_id++) {
705 dev = &in_devices[dev_id];
706 count = dev->key_count;
698517be 707
43bca6fb 708 if (dev->binds == NULL)
709 continue;
698517be 710
43bca6fb 711 if (act_mask != -1) {
712 for (i = 0; i < count; i++)
713 dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
714 }
715 else
716 memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT);
717 }
698517be 718}
719
720/* returns device id, or -1 on error */
721int in_config_parse_dev(const char *name)
722{
723 int drv_id = -1, i;
724
f2de172b 725 for (i = 0; i < in_driver_count; i++) {
698517be 726 int len = strlen(in_drivers[i].prefix);
727 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
728 drv_id = i;
729 break;
730 }
731 }
732
733 if (drv_id < 0) {
734 lprintf("input: missing driver for %s\n", name);
735 return -1;
736 }
737
738 for (i = 0; i < in_dev_count; i++)
739 {
740 if (in_devices[i].name == NULL)
741 continue;
742 if (strcmp(in_devices[i].name, name) == 0)
743 return i;
744 }
745
746 if (i >= IN_MAX_DEVS)
747 {
748 /* try to find unused device */
749 for (i = 0; i < IN_MAX_DEVS; i++)
750 if (in_devices[i].name == NULL) break;
751 if (i >= IN_MAX_DEVS) {
752 lprintf("input: too many devices, can't add %s\n", name);
753 return -1;
754 }
755 }
756
757 memset(&in_devices[i], 0, sizeof(in_devices[i]));
758
759 in_devices[i].name = strdup(name);
760 if (in_devices[i].name == NULL)
761 return -1;
762
605e6809 763 in_devices[i].key_names = DRV(drv_id).get_key_names(&in_devices[i].key_count);
698517be 764 in_devices[i].drv_id = drv_id;
765
766 if (i + 1 > in_dev_count)
767 in_dev_count = i + 1;
768
769 return i;
770}
771
698517be 772int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
773{
774 in_dev_t *dev;
775 int i, offs, kc;
776
777 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
778 return -1;
779 dev = &in_devices[dev_id];
780
781 /* maybe a raw code? */
782 if (key[0] == '\\' && key[1] == 'x') {
783 char *p = NULL;
784 kc = (int)strtoul(key + 2, &p, 16);
785 if (p == NULL || *p != 0)
786 kc = -1;
787 }
788 else {
789 /* device specific key name */
790 if (dev->binds == NULL) {
791 dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
792 if (dev->binds == NULL)
793 return -1;
698517be 794 }
795
796 kc = -1;
797 if (dev->key_names != NULL) {
798 for (i = 0; i < dev->key_count; i++) {
799 const char *k = dev->key_names[i];
800 if (k != NULL && strcasecmp(k, key) == 0) {
801 kc = i;
802 break;
803 }
804 }
805 }
806
807 if (kc < 0)
808 kc = DRV(dev->drv_id).get_key_code(key);
809 if (kc < 0 && strlen(key) == 1) {
810 /* assume scancode */
811 kc = key[0];
812 }
813 }
814
815 if (kc < 0 || kc >= dev->key_count) {
816 lprintf("input: bad key: %s\n", key);
817 return -1;
818 }
819
820 if (bind_type == IN_BINDTYPE_NONE) {
821 for (i = 0; i < IN_BINDTYPE_COUNT; i++)
822 dev->binds[IN_BIND_OFFS(kc, i)] = 0;
823 return 0;
824 }
825
826 offs = IN_BIND_OFFS(kc, bind_type);
827 if (dev->binds[offs] == -1)
828 dev->binds[offs] = 0;
829 dev->binds[offs] |= acts;
830 return 0;
831}
832
0079b7b4 833void in_clean_binds(void)
698517be 834{
835 int i;
836
837 for (i = 0; i < IN_MAX_DEVS; i++) {
0079b7b4 838 int ret, count, *binds, *def_binds;
698517be 839 in_dev_t *dev = &in_devices[i];
840
0079b7b4 841 if (dev->binds == NULL || dev->drv_data == NULL)
698517be 842 continue;
843
844 count = dev->key_count;
845 binds = dev->binds;
846 def_binds = binds + count * IN_BINDTYPE_COUNT;
847
698517be 848 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
849 if (ret == 0) {
850 /* no useable binds */
851 free(dev->binds);
852 dev->binds = NULL;
853 }
854 }
855}
856
857void in_debug_dump(void)
858{
859 int i;
860
861 lprintf("# drv probed binds name\n");
862 for (i = 0; i < IN_MAX_DEVS; i++) {
863 in_dev_t *d = &in_devices[i];
864 if (!d->probed && d->name == NULL && d->binds == NULL)
865 continue;
866 lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
867 d->binds ? 'y' : 'n', d->name);
868 }
869}
870
f2de172b 871/* stubs for drivers that choose not to implement something */
698517be 872
698517be 873static void in_def_free(void *drv_data) {}
698517be 874static void in_def_get_def_binds(int *binds) {}
f2de172b 875static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 1; }
698517be 876static int in_def_get_config(void *drv_data, int what, int *val) { return -1; }
877static int in_def_set_config(void *drv_data, int what, int val) { return -1; }
878static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
f2de172b 879static int in_def_menu_translate(void *drv_data, int keycode) { return 0; }
698517be 880static int in_def_get_key_code(const char *key_name) { return -1; }
881static const char *in_def_get_key_name(int keycode) { return NULL; }
882
f2de172b 883#define CHECK_ADD_STUB(d, f) \
884 if (d.f == NULL) d.f = in_def_##f
698517be 885
f2de172b 886/* to be called by drivers */
887int in_register_driver(const in_drv_t *drv)
888{
889 int count_new = in_driver_count + 1;
890 in_drv_t *new_drivers;
698517be 891
f2de172b 892 new_drivers = realloc(in_drivers, count_new * sizeof(in_drivers[0]));
893 if (new_drivers == NULL) {
894 lprintf("input: in_register_driver OOM\n");
895 return -1;
698517be 896 }
897
f2de172b 898 memcpy(&new_drivers[in_driver_count], drv, sizeof(new_drivers[0]));
899
900 CHECK_ADD_STUB(new_drivers[in_driver_count], free);
901 CHECK_ADD_STUB(new_drivers[in_driver_count], get_def_binds);
902 CHECK_ADD_STUB(new_drivers[in_driver_count], clean_binds);
903 CHECK_ADD_STUB(new_drivers[in_driver_count], get_config);
904 CHECK_ADD_STUB(new_drivers[in_driver_count], set_config);
905 CHECK_ADD_STUB(new_drivers[in_driver_count], update_keycode);
906 CHECK_ADD_STUB(new_drivers[in_driver_count], menu_translate);
907 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_code);
908 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_name);
909 in_drivers = new_drivers;
910 in_driver_count = count_new;
911
912 return 0;
913}
914
915void in_init(void)
916{
917 in_drivers = NULL;
918 memset(in_devices, 0, sizeof(in_devices));
919 in_driver_count = 0;
920 in_dev_count = 0;
698517be 921}
922
923#if 0
924int main(void)
925{
926 int ret;
927
928 in_init();
929 in_probe();
930
931 in_set_blocking(1);
932
933#if 1
934 while (1) {
935 int dev = 0, down;
936 ret = in_update_keycode(&dev, &down);
937 lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
938 }
939#else
940 while (1) {
941 ret = in_menu_wait_any();
942 lprintf("%08x\n", ret);
943 }
944#endif
945
946 return 0;
947}
948#endif
ARM optimized PCSX fork