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input: kill "merge with defaults" behavior
[libpicofe.git] / common / input.c
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1/*
2 * (C) GraÅžvydas "notaz" Ignotas, 2008-2010
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
19#ifdef IN_EVDEV
20#include "../linux/in_evdev.h"
21#endif
22#ifdef IN_GP2X
23#include "../gp2x/in_gp2x.h"
24#endif
25#ifdef IN_VK
26#include "../win32/in_vk.h"
27#endif
28
29typedef struct
30{
31 int drv_id;
32 int drv_fd_hnd;
33 void *drv_data;
34 char *name;
35 int key_count;
36 int *binds; /* total = key_count * bindtypes * 2 */
37 const char * const *key_names;
38 unsigned int probed:1;
39 unsigned int does_combos:1;
40} in_dev_t;
41
42static in_drv_t in_drivers[IN_DRVID_COUNT];
43static in_dev_t in_devices[IN_MAX_DEVS];
44static int in_dev_count = 0;
45static int in_have_async_devs = 0;
46static int menu_key_state = 0;
47static int menu_last_used_dev = 0;
48
49#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
50
51
52static int *in_alloc_binds(int drv_id, int key_count)
53{
54 int *binds;
55
56 binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
57 if (binds == NULL)
58 return NULL;
59
60 DRV(drv_id).get_def_binds(binds + key_count * IN_BINDTYPE_COUNT);
61 memcpy(binds, binds + key_count * IN_BINDTYPE_COUNT,
62 sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT);
63
64 return binds;
65}
66
67static void in_free(in_dev_t *dev)
68{
69 if (dev->probed)
70 DRV(dev->drv_id).free(dev->drv_data);
71 dev->probed = 0;
72 dev->drv_data = NULL;
73 free(dev->name);
74 dev->name = NULL;
75 free(dev->binds);
76 dev->binds = NULL;
77}
78
79/* to be called by drivers
80 * async devices must set drv_fd_hnd to -1 */
81void in_register(const char *nname, int drv_id, int drv_fd_hnd, void *drv_data,
82 int key_count, const char * const *key_names, int combos)
83{
84 int i, ret, dupe_count = 0, *binds;
85 char name[256], *name_end, *tmp;
86
87 strncpy(name, nname, sizeof(name));
88 name[sizeof(name)-12] = 0;
89 name_end = name + strlen(name);
90
91 for (i = 0; i < in_dev_count; i++)
92 {
93 if (in_devices[i].name == NULL)
94 continue;
95 if (strcmp(in_devices[i].name, name) == 0)
96 {
97 if (in_devices[i].probed) {
98 dupe_count++;
99 sprintf(name_end, " [%d]", dupe_count);
100 continue;
101 }
102 goto update;
103 }
104 }
105
106 if (i >= IN_MAX_DEVS)
107 {
108 /* try to find unused device */
109 for (i = 0; i < IN_MAX_DEVS; i++)
110 if (!in_devices[i].probed) break;
111 if (i >= IN_MAX_DEVS) {
112 lprintf("input: too many devices, can't add %s\n", name);
113 return;
114 }
115 in_free(&in_devices[i]);
116 }
117
118 tmp = strdup(name);
119 if (tmp == NULL)
120 return;
121
122 binds = in_alloc_binds(drv_id, key_count);
123 if (binds == NULL) {
124 free(tmp);
125 return;
126 }
127
128 in_devices[i].name = tmp;
129 in_devices[i].binds = binds;
130 in_devices[i].key_count = key_count;
131 if (i + 1 > in_dev_count)
132 in_dev_count = i + 1;
133
134 lprintf("input: new device #%d \"%s\"\n", i, name);
135update:
136 in_devices[i].probed = 1;
137 in_devices[i].does_combos = combos;
138 in_devices[i].drv_id = drv_id;
139 in_devices[i].drv_fd_hnd = drv_fd_hnd;
140 in_devices[i].key_names = key_names;
141 in_devices[i].drv_data = drv_data;
142
143 if (in_devices[i].binds != NULL) {
144 ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds,
145 in_devices[i].binds + key_count * IN_BINDTYPE_COUNT);
146 if (ret == 0) {
147 /* no useable binds */
148 free(in_devices[i].binds);
149 in_devices[i].binds = NULL;
150 }
151 }
152}
153
154/* key combo handling, to be called by drivers that support it.
155 * Only care about IN_BINDTYPE_EMU */
156void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts)
157{
158 int act, u;
159
160 *combo_keys = *combo_acts = 0;
161 for (act = 0; act < sizeof(binds[0]) * 8; act++)
162 {
163 int keyc = 0;
164 for (u = 0; u <= last_key; u++)
165 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act))
166 keyc++;
167
168 if (keyc > 1)
169 {
170 // loop again and mark those keys and actions as combo
171 for (u = 0; u <= last_key; u++)
172 {
173 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) {
174 *combo_keys |= 1 << u;
175 *combo_acts |= 1 << act;
176 }
177 }
178 }
179 }
180}
181
182int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts)
183{
184 int i, ret = 0;
185
186 for (i = 0; i <= last_key; i++)
187 {
188 int acts, acts_c, u;
189
190 if (!(keys & (1 << i)))
191 continue;
192
193 acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
194 if (!acts)
195 continue;
196
197 if (!(combo_keys & (1 << i))) {
198 ret |= acts;
199 continue;
200 }
201
202 acts_c = acts & combo_acts;
203 u = last_key;
204 if (acts_c) {
205 // let's try to find the other one
206 for (u = i + 1; u <= last_key; u++)
207 if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) {
208 ret |= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)];
209 keys &= ~((1 << i) | (1 << u));
210 break;
211 }
212 }
213 // add non-combo actions if combo ones were not found
214 if (u >= last_key)
215 ret |= acts & ~combo_acts;
216 }
217
218 return ret;
219}
220
221void in_probe(void)
222{
223 int i;
224
225 in_have_async_devs = 0;
226 for (i = 0; i < in_dev_count; i++) {
227 in_dev_t *dev = &in_devices[i];
228 if (dev->probed) {
229 DRV(dev->drv_id).free(dev->drv_data);
230 dev->drv_data = NULL;
231 dev->probed = 0;
232 }
233 }
234
235 for (i = 1; i < IN_DRVID_COUNT; i++)
236 in_drivers[i].probe();
237
238 /* get rid of devs without binds and probes */
239 for (i = 0; i < in_dev_count; i++) {
240 if (!in_devices[i].probed && in_devices[i].binds == NULL) {
241 in_dev_count--;
242 if (i < in_dev_count) {
243 free(in_devices[i].name);
244 memmove(&in_devices[i], &in_devices[i+1],
245 (in_dev_count - i) * sizeof(in_devices[0]));
246 }
247
248 continue;
249 }
250
251 if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1)
252 in_have_async_devs = 1;
253 }
254
255 if (in_have_async_devs)
256 lprintf("input: async-only devices detected..\n");
257
258 in_debug_dump();
259}
260
261/* async update */
262int in_update(int *result)
263{
264 int i, ret = 0;
265
266 for (i = 0; i < in_dev_count; i++) {
267 in_dev_t *dev = &in_devices[i];
268 if (dev->probed && dev->binds != NULL) {
269 // FIXME: this is stupid, make it indirect
270 switch (dev->drv_id) {
271#ifdef IN_EVDEV
272 case IN_DRVID_EVDEV:
273 ret |= in_evdev_update(dev->drv_data, dev->binds, result);
274 break;
275#endif
276#ifdef IN_GP2X
277 case IN_DRVID_GP2X:
278 ret |= in_gp2x_update(dev->drv_data, dev->binds, result);
279 break;
280#endif
281#ifdef IN_VK
282 case IN_DRVID_VK:
283 ret |= in_vk_update(dev->drv_data, dev->binds, result);
284 break;
285#endif
286 }
287 }
288 }
289
290 return ret;
291}
292
293static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
294{
295 int i, is_down, result;
296 unsigned int ticks;
297
298 ticks = plat_get_ticks_ms();
299
300 while (1)
301 {
302 for (i = 0; i < in_dev_count; i++) {
303 in_dev_t *d = &in_devices[i];
304 if (!d->probed)
305 continue;
306
307 result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
308 if (result == -1)
309 continue;
310
311 if (dev_id_out)
312 *dev_id_out = i;
313 if (is_down_out)
314 *is_down_out = is_down;
315 return result;
316 }
317
318 if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
319 break;
320
321 plat_sleep_ms(10);
322 }
323
324 return -1;
325}
326
327/*
328 * wait for a press, always return some keycode or -1 on timeout or error
329 */
330int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
331{
332 int result = -1, dev_id = 0, is_down, result_menu;
333 int fds_hnds[IN_MAX_DEVS];
334 int i, ret, count = 0;
335 in_drv_t *drv = NULL;
336 unsigned int ticks;
337
338 if (in_have_async_devs) {
339 result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
340 if (result == -1)
341 return -1;
342 drv = &DRV(in_devices[dev_id].drv_id);
343 goto finish;
344 }
345
346 ticks = plat_get_ticks_ms();
347
348 for (i = 0; i < in_dev_count; i++) {
349 if (in_devices[i].probed)
350 fds_hnds[count++] = in_devices[i].drv_fd_hnd;
351 }
352
353 if (count == 0) {
354 /* don't deadlock, fail */
355 lprintf("input: failed to find devices to read\n");
356 exit(1);
357 }
358
359 while (1)
360 {
361 ret = plat_wait_event(fds_hnds, count, timeout_ms);
362 if (ret < 0)
363 break;
364
365 for (i = 0; i < in_dev_count; i++) {
366 if (in_devices[i].drv_fd_hnd == ret) {
367 dev_id = i;
368 break;
369 }
370 }
371
372 drv = &DRV(in_devices[dev_id].drv_id);
373 result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
374 if (result >= 0)
375 break;
376
377 if (timeout_ms >= 0) {
378 unsigned int ticks2 = plat_get_ticks_ms();
379 timeout_ms -= ticks2 - ticks;
380 ticks = ticks2;
381 if (timeout_ms <= 0)
382 break;
383 }
384 }
385
386 if (result < 0)
387 return -1;
388finish:
389 /* keep track of menu key state, to allow mixing
390 * in_update_keycode() and in_menu_wait_any() calls */
391 result_menu = drv->menu_translate(in_devices[dev_id].drv_data, result);
392 if (result_menu != 0) {
393 if (is_down)
394 menu_key_state |= result_menu;
395 else
396 menu_key_state &= ~result_menu;
397 }
398
399 if (dev_id_out != NULL)
400 *dev_id_out = dev_id;
401 if (is_down_out != NULL)
402 *is_down_out = is_down;
403 return result;
404}
405
406/* same as above, only return bitfield of PBTN_* */
407int in_menu_wait_any(int timeout_ms)
408{
409 int keys_old = menu_key_state;
410
411 while (1)
412 {
413 int code, is_down = 0, dev_id = 0;
414
415 code = in_update_keycode(&dev_id, &is_down, timeout_ms);
416 if (code < 0)
417 break;
418
419 if (keys_old != menu_key_state) {
420 menu_last_used_dev = dev_id;
421 break;
422 }
423 }
424
425 return menu_key_state;
426}
427
428/* wait for menu input, do autorepeat */
429int in_menu_wait(int interesting, int autorep_delay_ms)
430{
431 static int inp_prev = 0;
432 static int repeats = 0;
433 int ret, release = 0, wait = 450;
434
435 if (repeats)
436 wait = autorep_delay_ms;
437
438 ret = in_menu_wait_any(wait);
439 if (ret == inp_prev)
440 repeats++;
441
442 while (!(ret & interesting)) {
443 ret = in_menu_wait_any(-1);
444 release = 1;
445 }
446
447 if (release || ret != inp_prev)
448 repeats = 0;
449
450 inp_prev = ret;
451
452 /* we don't need diagonals in menus */
453 if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
454 if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
455 if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
456 if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
457
458 return ret;
459}
460
461const int *in_get_dev_binds(int dev_id)
462{
463 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
464 return NULL;
465
466 return in_devices[dev_id].binds;
467}
468
469const int *in_get_dev_def_binds(int dev_id)
470{
471 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
472 return NULL;
473
474 return in_devices[dev_id].binds + in_devices[dev_id].key_count * IN_BINDTYPE_COUNT;
475}
476
477int in_get_config(int dev_id, int what, void *val)
478{
479 int *ival = val;
480 in_dev_t *dev;
481
482 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || val == NULL)
483 return -1;
484
485 dev = &in_devices[dev_id];
486 switch (what) {
487 case IN_CFG_BIND_COUNT:
488 *ival = dev->key_count;
489 break;
490 case IN_CFG_DOES_COMBOS:
491 *ival = dev->does_combos;
492 break;
493 case IN_CFG_BLOCKING:
494 case IN_CFG_KEY_NAMES:
495 return -1; /* not implemented */
496 default:
497 return DRV(dev->drv_id).get_config(dev->drv_data, what, ival);
498 }
499
500 return 0;
501}
502
503static int in_set_blocking(int is_blocking)
504{
505 int i, ret;
506
507 /* have_async_devs means we will have to do all reads async anyway.. */
508 if (!in_have_async_devs) {
509 for (i = 0; i < in_dev_count; i++) {
510 if (in_devices[i].probed)
511 DRV(in_devices[i].drv_id).set_config(in_devices[i].drv_data,
512 IN_CFG_BLOCKING, is_blocking);
513 }
514 }
515
516 menu_key_state = 0;
517
518 /* flush events */
519 do {
520 ret = in_update_keycode(NULL, NULL, 0);
521 } while (ret >= 0);
522
523 return 0;
524}
525
526int in_set_config(int dev_id, int what, const void *val, int size)
527{
528 const int *ival = val;
529 in_dev_t *dev;
530
531 if (what == IN_CFG_BLOCKING)
532 return in_set_blocking(*ival);
533
534 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
535 return -1;
536
537 dev = &in_devices[dev_id];
538 if (what == IN_CFG_KEY_NAMES) {
539 const char * const *names = val;
540 int count = size / sizeof(names[0]);
541
542 if (count < dev->key_count) {
543 lprintf("input: set_key_names: not enough keys\n");
544 return -1;
545 }
546
547 dev->key_names = names;
548 return 0;
549 }
550
551 return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival);
552}
553
554const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
555{
556 const char *name, *tmp;
557
558 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
559 return NULL;
560
561 if (must_be_active && !in_devices[dev_id].probed)
562 return NULL;
563
564 name = in_devices[dev_id].name;
565 if (name == NULL || !skip_pfix)
566 return name;
567
568 /* skip prefix */
569 tmp = strchr(name, ':');
570 if (tmp != NULL)
571 name = tmp + 1;
572
573 return name;
574}
575
576int in_name_to_id(const char *dev_name)
577{
578 int i;
579
580 for (i = 0; i < in_dev_count; i++)
581 if (strcmp(dev_name, in_devices[i].name) == 0)
582 break;
583
584 if (i >= in_dev_count) {
585 lprintf("input: in_name_to_id: no such device: %s\n", dev_name);
586 return -1;
587 }
588
589 return i;
590}
591
592/* never returns NULL */
593const char *in_get_key_name(int dev_id, int keycode)
594{
595 const char *name = NULL;
596 static char xname[16];
597 in_dev_t *dev;
598
599 if (dev_id < 0) /* want last used dev? */
600 dev_id = menu_last_used_dev;
601
602 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
603 return "Unkn0";
604
605 dev = &in_devices[dev_id];
606 if (keycode < 0) /* want name for menu key? */
607 keycode = DRV(dev->drv_id).menu_translate(dev->drv_data, keycode);
608
609 if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count)
610 name = dev->key_names[keycode];
611 if (name != NULL)
612 return name;
613
614 name = DRV(dev->drv_id).get_key_name(keycode);
615 if (name != NULL)
616 return name;
617
618 /* assume scancode */
619 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
620 || (keycode >= 'A' && keycode <= 'Z'))
621 sprintf(xname, "%c", keycode);
622 else
623 sprintf(xname, "\\x%02X", keycode);
624 return xname;
625}
626
627int in_get_key_code(int dev_id, const char *key_name)
628{
629 in_dev_t *dev;
630 int i;
631
632 if (dev_id < 0) /* want last used dev? */
633 dev_id = menu_last_used_dev;
634
635 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
636 return -1;
637
638 dev = &in_devices[dev_id];
639 if (dev->key_names == NULL)
640 return -1;
641
642 for (i = 0; i < dev->key_count; i++)
643 if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0)
644 return i;
645
646 return -1;
647}
648
649int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
650{
651 int ret, count;
652 in_dev_t *dev;
653
654 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
655 return -1;
656
657 dev = &in_devices[dev_id];
658 count = dev->key_count;
659
660 if (dev->binds == NULL) {
661 if (force_unbind)
662 return 0;
663 dev->binds = in_alloc_binds(dev->drv_id, count);
664 if (dev->binds == NULL)
665 return -1;
666 }
667
668 if (keycode < 0 || keycode >= count)
669 return -1;
670
671 if (force_unbind)
672 dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
673 else
674 dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
675
676 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
677 dev->binds + count * IN_BINDTYPE_COUNT);
678 if (ret == 0) {
679 free(dev->binds);
680 dev->binds = NULL;
681 }
682
683 return 0;
684}
685
686/*
687 * Unbind act_mask on binds with type bind_type
688 * - if dev_id_ < 0, affects all devices
689 * else only affects dev_id_
690 * - if act_mask == -1, unbind all keys
691 * else only actions in mask
692 */
693void in_unbind_all(int dev_id_, int act_mask, int bind_type)
694{
695 int dev_id = 0, dev_last = IN_MAX_DEVS - 1;
696 int i, count;
697 in_dev_t *dev;
698
699 if (dev_id_ >= 0)
700 dev_id = dev_last = dev_id_;
701
702 if (bind_type >= IN_BINDTYPE_COUNT)
703 return;
704
705 for (; dev_id <= dev_last; dev_id++) {
706 dev = &in_devices[dev_id];
707 count = dev->key_count;
708
709 if (dev->binds == NULL)
710 continue;
711
712 if (act_mask != -1) {
713 for (i = 0; i < count; i++)
714 dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
715 }
716 else
717 memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT);
718 }
719}
720
721/* returns device id, or -1 on error */
722int in_config_parse_dev(const char *name)
723{
724 int drv_id = -1, i;
725
726 for (i = 0; i < IN_DRVID_COUNT; i++) {
727 int len = strlen(in_drivers[i].prefix);
728 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
729 drv_id = i;
730 break;
731 }
732 }
733
734 if (drv_id < 0) {
735 lprintf("input: missing driver for %s\n", name);
736 return -1;
737 }
738
739 for (i = 0; i < in_dev_count; i++)
740 {
741 if (in_devices[i].name == NULL)
742 continue;
743 if (strcmp(in_devices[i].name, name) == 0)
744 return i;
745 }
746
747 if (i >= IN_MAX_DEVS)
748 {
749 /* try to find unused device */
750 for (i = 0; i < IN_MAX_DEVS; i++)
751 if (in_devices[i].name == NULL) break;
752 if (i >= IN_MAX_DEVS) {
753 lprintf("input: too many devices, can't add %s\n", name);
754 return -1;
755 }
756 }
757
758 memset(&in_devices[i], 0, sizeof(in_devices[i]));
759
760 in_devices[i].name = strdup(name);
761 if (in_devices[i].name == NULL)
762 return -1;
763
764 in_devices[i].key_count = DRV(drv_id).get_bind_count();
765 in_devices[i].drv_id = drv_id;
766
767 if (i + 1 > in_dev_count)
768 in_dev_count = i + 1;
769
770 return i;
771}
772
773int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
774{
775 in_dev_t *dev;
776 int i, offs, kc;
777
778 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
779 return -1;
780 dev = &in_devices[dev_id];
781
782 /* maybe a raw code? */
783 if (key[0] == '\\' && key[1] == 'x') {
784 char *p = NULL;
785 kc = (int)strtoul(key + 2, &p, 16);
786 if (p == NULL || *p != 0)
787 kc = -1;
788 }
789 else {
790 /* device specific key name */
791 if (dev->binds == NULL) {
792 dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
793 if (dev->binds == NULL)
794 return -1;
795 }
796
797 kc = -1;
798 if (dev->key_names != NULL) {
799 for (i = 0; i < dev->key_count; i++) {
800 const char *k = dev->key_names[i];
801 if (k != NULL && strcasecmp(k, key) == 0) {
802 kc = i;
803 break;
804 }
805 }
806 }
807
808 if (kc < 0)
809 kc = DRV(dev->drv_id).get_key_code(key);
810 if (kc < 0 && strlen(key) == 1) {
811 /* assume scancode */
812 kc = key[0];
813 }
814 }
815
816 if (kc < 0 || kc >= dev->key_count) {
817 lprintf("input: bad key: %s\n", key);
818 return -1;
819 }
820
821 if (bind_type == IN_BINDTYPE_NONE) {
822 for (i = 0; i < IN_BINDTYPE_COUNT; i++)
823 dev->binds[IN_BIND_OFFS(kc, i)] = 0;
824 return 0;
825 }
826
827 offs = IN_BIND_OFFS(kc, bind_type);
828 if (dev->binds[offs] == -1)
829 dev->binds[offs] = 0;
830 dev->binds[offs] |= acts;
831 return 0;
832}
833
834void in_clean_binds(void)
835{
836 int i;
837
838 for (i = 0; i < IN_MAX_DEVS; i++) {
839 int ret, count, *binds, *def_binds;
840 in_dev_t *dev = &in_devices[i];
841
842 if (dev->binds == NULL || dev->drv_data == NULL)
843 continue;
844
845 count = dev->key_count;
846 binds = dev->binds;
847 def_binds = binds + count * IN_BINDTYPE_COUNT;
848
849 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
850 if (ret == 0) {
851 /* no useable binds */
852 free(dev->binds);
853 dev->binds = NULL;
854 }
855 }
856}
857
858void in_debug_dump(void)
859{
860 int i;
861
862 lprintf("# drv probed binds name\n");
863 for (i = 0; i < IN_MAX_DEVS; i++) {
864 in_dev_t *d = &in_devices[i];
865 if (!d->probed && d->name == NULL && d->binds == NULL)
866 continue;
867 lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
868 d->binds ? 'y' : 'n', d->name);
869 }
870}
871
872/* handlers for unknown/not_preset drivers */
873
874static void in_def_probe(void) {}
875static void in_def_free(void *drv_data) {}
876static int in_def_get_bind_count(void) { return 0; }
877static void in_def_get_def_binds(int *binds) {}
878static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 0; }
879static int in_def_get_config(void *drv_data, int what, int *val) { return -1; }
880static int in_def_set_config(void *drv_data, int what, int val) { return -1; }
881static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
882static int in_def_menu_translate(void *drv_data, int keycode) { return keycode; }
883static int in_def_get_key_code(const char *key_name) { return -1; }
884static const char *in_def_get_key_name(int keycode) { return NULL; }
885
886void in_init(void)
887{
888 int i;
889
890 memset(in_drivers, 0, sizeof(in_drivers));
891 memset(in_devices, 0, sizeof(in_devices));
892 in_dev_count = 0;
893
894 for (i = 0; i < IN_DRVID_COUNT; i++) {
895 in_drivers[i].prefix = "none:";
896 in_drivers[i].probe = in_def_probe;
897 in_drivers[i].free = in_def_free;
898 in_drivers[i].get_bind_count = in_def_get_bind_count;
899 in_drivers[i].get_def_binds = in_def_get_def_binds;
900 in_drivers[i].clean_binds = in_def_clean_binds;
901 in_drivers[i].get_config = in_def_get_config;
902 in_drivers[i].set_config = in_def_set_config;
903 in_drivers[i].update_keycode = in_def_update_keycode;
904 in_drivers[i].menu_translate = in_def_menu_translate;
905 in_drivers[i].get_key_code = in_def_get_key_code;
906 in_drivers[i].get_key_name = in_def_get_key_name;
907 }
908
909#ifdef IN_GP2X
910 in_gp2x_init(&in_drivers[IN_DRVID_GP2X]);
911#endif
912#ifdef IN_EVDEV
913 in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
914#endif
915#ifdef IN_VK
916 in_vk_init(&in_drivers[IN_DRVID_VK]);
917#endif
918}
919
920#if 0
921int main(void)
922{
923 int ret;
924
925 in_init();
926 in_probe();
927
928 in_set_blocking(1);
929
930#if 1
931 while (1) {
932 int dev = 0, down;
933 ret = in_update_keycode(&dev, &down);
934 lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
935 }
936#else
937 while (1) {
938 ret = in_menu_wait_any();
939 lprintf("%08x\n", ret);
940 }
941#endif
942
943 return 0;
944}
945#endif
PicoDrive's frontend in a lib