2 * (C) GraÅžvydas "notaz" Ignotas, 2008-2011
4 * This work is licensed under the terms of any of these licenses
6 * - GNU GPL, version 2 or later.
7 * - GNU LGPL, version 2.1 or later.
9 * See the COPYING file in the top-level directory.
21 #error needs update: in_vk_init in_vk_update
22 #include "../win32/in_vk.h"
32 int *binds; /* total = key_count * bindtypes * 2 */
33 const char * const *key_names;
34 unsigned int probed:1;
35 unsigned int does_combos:1;
38 static in_drv_t *in_drivers;
39 static in_dev_t in_devices[IN_MAX_DEVS];
40 static int in_driver_count = 0;
41 static int in_dev_count = 0; /* probed + bind devices */
42 static int in_have_async_devs = 0;
43 static int in_probe_dev_id;
44 static int menu_key_state = 0;
45 static int menu_last_used_dev = 0;
46 static int menu_key_prev = 0;
47 static int menu_key_repeat = 0;
49 #define DRV(id) in_drivers[id]
52 static int *in_alloc_binds(int drv_id, int key_count)
54 const struct in_default_bind *defbinds;
58 binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
62 binds_d = binds + key_count * IN_BINDTYPE_COUNT;
64 /* always have a copy of defbinds */
65 defbinds = DRV(drv_id).defbinds;
66 if (defbinds != NULL) {
68 if (defbinds[i].code == 0 && defbinds[i].btype == 0
69 && defbinds[i].bit == 0)
72 binds_d[IN_BIND_OFFS(defbinds[i].code, defbinds[i].btype)] |=
80 static void in_unprobe(in_dev_t *dev)
83 DRV(dev->drv_id).free(dev->drv_data);
88 static void in_free(in_dev_t *dev)
97 /* to be called by drivers
98 * async devices must set drv_fd_hnd to -1 */
99 void in_register(const char *nname, int drv_fd_hnd, void *drv_data,
100 int key_count, const char * const *key_names, int combos)
102 int i, ret, dupe_count = 0, *binds;
103 char name[256], *name_end, *tmp;
105 strncpy(name, nname, sizeof(name));
106 name[sizeof(name)-12] = 0;
107 name_end = name + strlen(name);
109 for (i = 0; i < in_dev_count; i++)
111 if (in_devices[i].name == NULL)
113 if (strcmp(in_devices[i].name, name) == 0)
115 if (in_devices[i].probed) {
117 sprintf(name_end, " [%d]", dupe_count);
124 if (i >= IN_MAX_DEVS)
126 /* try to find unused device */
127 for (i = 0; i < IN_MAX_DEVS; i++)
128 if (!in_devices[i].probed) break;
129 if (i >= IN_MAX_DEVS) {
130 lprintf("input: too many devices, can't add %s\n", name);
133 in_free(&in_devices[i]);
140 binds = in_alloc_binds(in_probe_dev_id, key_count);
146 memcpy(binds, binds + key_count * IN_BINDTYPE_COUNT,
147 sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT);
149 in_devices[i].name = tmp;
150 in_devices[i].binds = binds;
151 in_devices[i].key_count = key_count;
152 if (i + 1 > in_dev_count)
153 in_dev_count = i + 1;
155 lprintf("input: new device #%d \"%s\"\n", i, name);
157 in_devices[i].probed = 1;
158 in_devices[i].does_combos = combos;
159 in_devices[i].drv_id = in_probe_dev_id;
160 in_devices[i].drv_fd_hnd = drv_fd_hnd;
161 in_devices[i].key_names = key_names;
162 in_devices[i].drv_data = drv_data;
164 if (in_devices[i].binds != NULL) {
165 ret = DRV(in_probe_dev_id).clean_binds(drv_data, in_devices[i].binds,
166 in_devices[i].binds + key_count * IN_BINDTYPE_COUNT);
168 /* no useable binds */
169 free(in_devices[i].binds);
170 in_devices[i].binds = NULL;
175 /* key combo handling, to be called by drivers that support it.
176 * Only care about IN_BINDTYPE_EMU */
177 void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts)
181 *combo_keys = *combo_acts = 0;
182 for (act = 0; act < sizeof(binds[0]) * 8; act++)
185 for (u = 0; u <= last_key; u++)
186 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act))
191 // loop again and mark those keys and actions as combo
192 for (u = 0; u <= last_key; u++)
194 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) {
195 *combo_keys |= 1 << u;
196 *combo_acts |= 1 << act;
203 int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts)
207 for (i = 0; i <= last_key; i++)
211 if (!(keys & (1 << i)))
214 acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
218 if (!(combo_keys & (1 << i))) {
223 acts_c = acts & combo_acts;
226 // let's try to find the other one
227 for (u = i + 1; u <= last_key; u++)
228 if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) {
229 ret |= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)];
230 keys &= ~((1 << i) | (1 << u));
234 // add non-combo actions if combo ones were not found
236 ret |= acts & ~combo_acts;
246 in_have_async_devs = 0;
248 menu_last_used_dev = 0;
250 for (i = 0; i < in_dev_count; i++)
251 in_unprobe(&in_devices[i]);
253 for (i = 0; i < in_driver_count; i++) {
255 in_drivers[i].probe(&DRV(i));
258 /* get rid of devs without binds and probes */
259 for (i = 0; i < in_dev_count; i++) {
260 if (!in_devices[i].probed && in_devices[i].binds == NULL) {
262 if (i < in_dev_count) {
263 free(in_devices[i].name);
264 memmove(&in_devices[i], &in_devices[i+1],
265 (in_dev_count - i) * sizeof(in_devices[0]));
271 if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1)
272 in_have_async_devs = 1;
275 if (in_have_async_devs)
276 lprintf("input: async-only devices detected..\n");
282 int in_update(int *result)
286 for (i = 0; i < in_dev_count; i++) {
287 in_dev_t *dev = &in_devices[i];
288 if (dev->probed && dev->binds != NULL)
289 ret |= DRV(dev->drv_id).update(dev->drv_data, dev->binds, result);
295 static in_dev_t *get_dev(int dev_id)
297 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
300 return &in_devices[dev_id];
303 int in_update_analog(int dev_id, int axis_id, int *result)
305 in_dev_t *dev = get_dev(dev_id);
307 if (dev == NULL || !dev->probed)
310 return DRV(dev->drv_id).update_analog(dev->drv_data, axis_id, result);
313 static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
315 int i, is_down, result;
318 ticks = plat_get_ticks_ms();
322 for (i = 0; i < in_dev_count; i++) {
323 in_dev_t *d = &in_devices[i];
327 result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
334 *is_down_out = is_down;
338 if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
348 * wait for a press, always return some keycode or -1 on timeout or error
350 int in_update_keycode(int *dev_id_out, int *is_down_out, char *charcode, int timeout_ms)
352 int result = -1, dev_id = 0, is_down, result_menu;
353 int fds_hnds[IN_MAX_DEVS];
354 int i, ret, count = 0;
355 in_drv_t *drv = NULL;
358 if (in_have_async_devs) {
359 result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
362 drv = &DRV(in_devices[dev_id].drv_id);
366 ticks = plat_get_ticks_ms();
368 for (i = 0; i < in_dev_count; i++) {
369 if (in_devices[i].probed)
370 fds_hnds[count++] = in_devices[i].drv_fd_hnd;
374 /* don't deadlock, fail */
375 lprintf("input: failed to find devices to read\n");
381 ret = plat_wait_event(fds_hnds, count, timeout_ms);
385 for (i = 0; i < in_dev_count; i++) {
386 if (in_devices[i].drv_fd_hnd == ret) {
392 drv = &DRV(in_devices[dev_id].drv_id);
393 result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
398 lprintf("input: \"%s\" errored out, removing.\n", in_devices[dev_id].name);
399 in_unprobe(&in_devices[dev_id]);
403 if (timeout_ms >= 0) {
404 unsigned int ticks2 = plat_get_ticks_ms();
405 timeout_ms -= ticks2 - ticks;
415 /* keep track of menu key state, to allow mixing
416 * in_update_keycode() and in_menu_wait_any() calls */
417 result_menu = drv->menu_translate(in_devices[dev_id].drv_data, result, charcode);
418 if (result_menu != 0) {
420 menu_key_state |= result_menu;
422 menu_key_state &= ~result_menu;
425 if (dev_id_out != NULL)
426 *dev_id_out = dev_id;
427 if (is_down_out != NULL)
428 *is_down_out = is_down;
432 /* same as above, only return bitfield of PBTN_* */
433 int in_menu_wait_any(char *charcode, int timeout_ms)
435 int keys_old = menu_key_state;
439 menu_key_prev = menu_key_state;
441 in_update_keycode(&dev_id, NULL, charcode, timeout_ms);
443 if (keys_old != menu_key_state)
444 menu_last_used_dev = dev_id;
446 ret = menu_key_state;
453 /* wait for menu input, do autorepeat */
454 int in_menu_wait(int interesting, char *charcode, int autorep_delay_ms)
459 wait = autorep_delay_ms;
461 /* wait until either key repeat or a new key has been pressed */
462 #ifdef SDL_REDRAW_EVT
463 interesting |= PBTN_RDRAW;
466 ret = in_menu_wait_any(charcode, wait);
467 if (ret == 0 || ret != menu_key_prev)
472 } while (!(ret & interesting));
474 /* we don't need diagonals in menus */
475 if (ret & (PBTN_UP|PBTN_DOWN)) ret &= ~(PBTN_LEFT|PBTN_RIGHT);
480 const int *in_get_dev_binds(int dev_id)
482 in_dev_t *dev = get_dev(dev_id);
484 return dev ? dev->binds : NULL;
487 const int *in_get_dev_def_binds(int dev_id)
489 in_dev_t *dev = get_dev(dev_id);
492 if (dev->binds == NULL)
495 return dev->binds + dev->key_count * IN_BINDTYPE_COUNT;
498 int in_get_config(int dev_id, int what, void *val)
503 dev = get_dev(dev_id);
504 if (dev == NULL || val == NULL)
508 case IN_CFG_BIND_COUNT:
509 *ival = dev->key_count;
511 case IN_CFG_DOES_COMBOS:
512 *ival = dev->does_combos;
514 case IN_CFG_BLOCKING:
515 case IN_CFG_KEY_NAMES:
516 return -1; /* not implemented */
521 return DRV(dev->drv_id).get_config(dev->drv_data, what, ival);
527 static int in_set_blocking(int is_blocking)
531 /* have_async_devs means we will have to do all reads async anyway.. */
532 if (!in_have_async_devs) {
533 for (i = 0; i < in_dev_count; i++) {
534 if (!in_devices[i].probed)
537 DRV(in_devices[i].drv_id).set_config(
538 in_devices[i].drv_data, IN_CFG_BLOCKING,
545 ret = in_update_keycode(NULL, NULL, NULL, 0);
553 int in_set_config(int dev_id, int what, const void *val, int size)
555 const char * const *names;
556 const int *ival = val;
560 if (what == IN_CFG_BLOCKING)
561 return in_set_blocking(*ival);
563 dev = get_dev(dev_id);
568 case IN_CFG_KEY_NAMES:
570 count = size / sizeof(names[0]);
572 if (count < dev->key_count) {
573 lprintf("input: set_key_names: not enough keys\n");
577 dev->key_names = names;
579 case IN_CFG_DEFAULT_DEV:
580 /* just set last used dev, for now */
581 menu_last_used_dev = dev_id;
588 return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival);
593 const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
595 const char *name, *tmp;
598 dev = get_dev(dev_id);
602 if (must_be_active && !dev->probed)
606 if (name == NULL || !skip_pfix)
610 tmp = strchr(name, ':');
617 int in_name_to_id(const char *dev_name)
621 for (i = 0; i < in_dev_count; i++)
622 if (strcmp(dev_name, in_devices[i].name) == 0)
625 if (i >= in_dev_count) {
626 lprintf("input: in_name_to_id: no such device: %s\n", dev_name);
633 /* never returns NULL */
634 const char *in_get_key_name(int dev_id, int keycode)
636 const char *name = NULL;
637 static char xname[16];
641 if (dev_id < 0) /* want last used dev? */
642 dev_id = menu_last_used_dev;
644 dev = get_dev(dev_id);
648 drv = &DRV(dev->drv_id);
649 if (keycode < 0) /* want name for menu key? */
650 keycode = drv->menu_translate(dev->drv_data, keycode, NULL);
652 if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count)
653 name = dev->key_names[keycode];
657 if (drv->get_key_name != NULL)
658 name = drv->get_key_name(keycode);
662 /* assume scancode */
663 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
664 || (keycode >= 'A' && keycode <= 'Z'))
665 sprintf(xname, "%c", keycode);
667 sprintf(xname, "\\x%02X", keycode);
671 int in_get_key_code(int dev_id, const char *key_name)
676 if (dev_id < 0) /* want last used dev? */
677 dev_id = menu_last_used_dev;
679 dev = get_dev(dev_id);
683 if (dev->key_names == NULL)
686 for (i = 0; i < dev->key_count; i++)
687 if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0)
693 int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
698 dev = get_dev(dev_id);
699 if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT)
702 count = dev->key_count;
704 if (dev->binds == NULL) {
707 dev->binds = in_alloc_binds(dev->drv_id, count);
708 if (dev->binds == NULL)
712 if (keycode < 0 || keycode >= count)
716 dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
718 dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
720 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
721 dev->binds + count * IN_BINDTYPE_COUNT);
731 * Unbind act_mask on binds with type bind_type
732 * - if dev_id_ < 0, affects all devices
733 * else only affects dev_id_
734 * - if act_mask == -1, unbind all keys
735 * else only actions in mask
737 void in_unbind_all(int dev_id_, int act_mask, int bind_type)
739 int dev_id = 0, dev_last = IN_MAX_DEVS - 1;
744 dev_id = dev_last = dev_id_;
746 if (bind_type >= IN_BINDTYPE_COUNT)
749 for (; dev_id <= dev_last; dev_id++) {
750 dev = &in_devices[dev_id];
751 count = dev->key_count;
753 if (dev->binds == NULL)
756 if (act_mask != -1) {
757 for (i = 0; i < count; i++)
758 dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
761 memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT);
765 /* returns device id, or -1 on error */
766 int in_config_parse_dev(const char *name)
770 for (i = 0; i < in_driver_count; i++) {
771 int len = strlen(in_drivers[i].prefix);
772 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
779 lprintf("input: missing driver for '%s'\n", name);
783 for (i = 0; i < in_dev_count; i++)
785 if (in_devices[i].name == NULL)
787 if (strcmp(in_devices[i].name, name) == 0)
791 if (i >= IN_MAX_DEVS)
793 /* try to find unused device */
794 for (i = 0; i < IN_MAX_DEVS; i++)
795 if (in_devices[i].name == NULL) break;
796 if (i >= IN_MAX_DEVS) {
797 lprintf("input: too many devices, can't add '%s'\n",
803 memset(&in_devices[i], 0, sizeof(in_devices[i]));
805 in_devices[i].name = strdup(name);
806 if (in_devices[i].name == NULL)
809 in_devices[i].key_names = DRV(drv_id).get_key_names(&DRV(drv_id),
810 &in_devices[i].key_count);
811 in_devices[i].drv_id = drv_id;
813 if (i + 1 > in_dev_count)
814 in_dev_count = i + 1;
819 int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
824 dev = get_dev(dev_id);
825 if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT)
828 /* maybe a raw code? */
829 if (key[0] == '\\' && key[1] == 'x') {
831 kc = (int)strtoul(key + 2, &p, 16);
832 if (p == NULL || *p != 0)
836 /* device specific key name */
837 if (dev->binds == NULL) {
838 dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
839 if (dev->binds == NULL)
844 if (dev->key_names != NULL) {
845 for (i = 0; i < dev->key_count; i++) {
846 const char *k = dev->key_names[i];
847 if (k != NULL && strcasecmp(k, key) == 0) {
855 kc = DRV(dev->drv_id).get_key_code(key);
856 if (kc < 0 && strlen(key) == 1) {
857 /* assume scancode */
862 if (kc < 0 || kc >= dev->key_count) {
863 lprintf("input: bad key: '%s' for device '%s'\n",
868 if (bind_type == IN_BINDTYPE_NONE) {
869 for (i = 0; i < IN_BINDTYPE_COUNT; i++)
870 dev->binds[IN_BIND_OFFS(kc, i)] = 0;
874 offs = IN_BIND_OFFS(kc, bind_type);
875 if (dev->binds[offs] == -1)
876 dev->binds[offs] = 0;
877 dev->binds[offs] |= acts;
881 void in_clean_binds(void)
885 for (i = 0; i < IN_MAX_DEVS; i++) {
886 int ret, count, *binds, *def_binds;
887 in_dev_t *dev = &in_devices[i];
889 if (dev->binds == NULL || !dev->probed)
892 count = dev->key_count;
894 def_binds = binds + count * IN_BINDTYPE_COUNT;
896 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
898 /* no useable binds */
905 void in_debug_dump(void)
909 lprintf("# drv probed binds name\n");
910 for (i = 0; i < IN_MAX_DEVS; i++) {
911 in_dev_t *d = &in_devices[i];
912 if (!d->probed && d->name == NULL && d->binds == NULL)
914 lprintf("%d %3d %6c %5c %s\n", i, d->drv_id,
915 d->probed ? 'y' : 'n',
916 d->binds ? 'y' : 'n', d->name);
920 for (kc = 0; kc < d->key_count; kc++) {
921 o = IN_BIND_OFFS(kc, 0);
922 for (t = h = 0; t < IN_BINDTYPE_COUNT; t++)
923 h |= d->binds[o + t];
926 lprintf(" [%3d] =", kc);
927 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
928 printf(" %x", d->binds[o + t]);
936 /* stubs for drivers that choose not to implement something */
938 static void in_def_free(void *drv_data) {}
939 static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 1; }
940 static int in_def_get_config(void *drv_data, int what, int *val) { return -1; }
941 static int in_def_set_config(void *drv_data, int what, int val) { return -1; }
942 static int in_def_update_analog(void *drv_data, int axis_id, int *result) { return -1; }
943 static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
944 static int in_def_menu_translate(void *drv_data, int keycode, char *ccode) { return 0; }
945 static int in_def_get_key_code(const char *key_name) { return -1; }
946 static const char *in_def_get_key_name(int keycode) { return NULL; }
948 #define CHECK_ADD_STUB(d, f) \
949 if (d.f == NULL) d.f = in_def_##f
951 /* to be called by drivers */
952 int in_register_driver(const in_drv_t *drv,
953 const struct in_default_bind *defbinds, const void *pdata)
955 int count_new = in_driver_count + 1;
956 in_drv_t *new_drivers;
958 new_drivers = realloc(in_drivers, count_new * sizeof(in_drivers[0]));
959 if (new_drivers == NULL) {
960 lprintf("input: in_register_driver OOM\n");
964 memcpy(&new_drivers[in_driver_count], drv, sizeof(new_drivers[0]));
966 CHECK_ADD_STUB(new_drivers[in_driver_count], free);
967 CHECK_ADD_STUB(new_drivers[in_driver_count], clean_binds);
968 CHECK_ADD_STUB(new_drivers[in_driver_count], get_config);
969 CHECK_ADD_STUB(new_drivers[in_driver_count], set_config);
970 CHECK_ADD_STUB(new_drivers[in_driver_count], update_analog);
971 CHECK_ADD_STUB(new_drivers[in_driver_count], update_keycode);
972 CHECK_ADD_STUB(new_drivers[in_driver_count], menu_translate);
973 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_code);
974 CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_name);
976 new_drivers[in_driver_count].pdata = pdata;
978 new_drivers[in_driver_count].defbinds = defbinds;
979 in_drivers = new_drivers;
980 in_driver_count = count_new;
988 memset(in_devices, 0, sizeof(in_devices));
1006 ret = in_update_keycode(&dev, &down);
1007 lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
1011 ret = in_menu_wait_any();
1012 lprintf("%08x\n", ret);