2 * (C) GraÅžvydas "notaz" Ignotas, 2008-2010
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.
8 * See the COPYING file in the top-level directory.
20 #include "../linux/in_evdev.h"
23 #include "../gp2x/in_gp2x.h"
26 #include "../win32/in_vk.h"
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;
42 static in_drv_t in_drivers[IN_DRVID_COUNT];
43 static in_dev_t in_devices[IN_MAX_DEVS];
44 static int in_dev_count = 0;
45 static int in_have_async_devs = 0;
46 static int menu_key_state = 0;
47 static int menu_last_used_dev = 0;
49 #define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
52 static int *in_alloc_binds(int drv_id, int key_count)
56 binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
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);
67 static void in_free(in_dev_t *dev)
70 DRV(dev->drv_id).free(dev->drv_data);
79 /* to be called by drivers
80 * async devices must set drv_fd_hnd to -1 */
81 void 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)
84 int i, ret, dupe_count = 0, *binds;
85 char name[256], *name_end, *tmp;
87 strncpy(name, nname, sizeof(name));
88 name[sizeof(name)-12] = 0;
89 name_end = name + strlen(name);
91 for (i = 0; i < in_dev_count; i++)
93 if (in_devices[i].name == NULL)
95 if (strcmp(in_devices[i].name, name) == 0)
97 if (in_devices[i].probed) {
99 sprintf(name_end, " [%d]", dupe_count);
106 if (i >= IN_MAX_DEVS)
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);
115 in_free(&in_devices[i]);
122 binds = in_alloc_binds(drv_id, key_count);
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;
134 lprintf("input: new device #%d \"%s\"\n", i, name);
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;
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);
147 /* no useable binds */
148 free(in_devices[i].binds);
149 in_devices[i].binds = NULL;
154 /* key combo handling, to be called by drivers that support it.
155 * Only care about IN_BINDTYPE_EMU */
156 void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts)
160 *combo_keys = *combo_acts = 0;
161 for (act = 0; act < sizeof(binds[0]) * 8; act++)
164 for (u = 0; u <= last_key; u++)
165 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act))
170 // loop again and mark those keys and actions as combo
171 for (u = 0; u <= last_key; u++)
173 if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) {
174 *combo_keys |= 1 << u;
175 *combo_acts |= 1 << act;
182 int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts)
186 for (i = 0; i <= last_key; i++)
190 if (!(keys & (1 << i)))
193 acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
197 if (!(combo_keys & (1 << i))) {
202 acts_c = acts & combo_acts;
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));
213 // add non-combo actions if combo ones were not found
215 ret |= acts & ~combo_acts;
225 in_have_async_devs = 0;
226 for (i = 0; i < in_dev_count; i++) {
227 in_dev_t *dev = &in_devices[i];
229 DRV(dev->drv_id).free(dev->drv_data);
230 dev->drv_data = NULL;
235 for (i = 1; i < IN_DRVID_COUNT; i++)
236 in_drivers[i].probe();
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) {
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]));
251 if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1)
252 in_have_async_devs = 1;
255 if (in_have_async_devs)
256 lprintf("input: async-only devices detected..\n");
262 int in_update(int *result)
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) {
273 ret |= in_evdev_update(dev->drv_data, dev->binds, result);
278 ret |= in_gp2x_update(dev->drv_data, dev->binds, result);
283 ret |= in_vk_update(dev->drv_data, dev->binds, result);
293 static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
295 int i, is_down, result;
298 ticks = plat_get_ticks_ms();
302 for (i = 0; i < in_dev_count; i++) {
303 in_dev_t *d = &in_devices[i];
307 result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
314 *is_down_out = is_down;
318 if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
328 * wait for a press, always return some keycode or -1 on timeout or error
330 int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
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;
338 if (in_have_async_devs) {
339 result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
342 drv = &DRV(in_devices[dev_id].drv_id);
346 ticks = plat_get_ticks_ms();
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;
354 /* don't deadlock, fail */
355 lprintf("input: failed to find devices to read\n");
361 ret = plat_wait_event(fds_hnds, count, timeout_ms);
365 for (i = 0; i < in_dev_count; i++) {
366 if (in_devices[i].drv_fd_hnd == ret) {
372 drv = &DRV(in_devices[dev_id].drv_id);
373 result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
377 if (timeout_ms >= 0) {
378 unsigned int ticks2 = plat_get_ticks_ms();
379 timeout_ms -= ticks2 - ticks;
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) {
394 menu_key_state |= result_menu;
396 menu_key_state &= ~result_menu;
399 if (dev_id_out != NULL)
400 *dev_id_out = dev_id;
401 if (is_down_out != NULL)
402 *is_down_out = is_down;
406 /* same as above, only return bitfield of PBTN_* */
407 int in_menu_wait_any(int timeout_ms)
409 int keys_old = menu_key_state;
413 int code, is_down = 0, dev_id = 0;
415 code = in_update_keycode(&dev_id, &is_down, timeout_ms);
419 if (keys_old != menu_key_state) {
420 menu_last_used_dev = dev_id;
425 return menu_key_state;
428 /* wait for menu input, do autorepeat */
429 int in_menu_wait(int interesting, int autorep_delay_ms)
431 static int inp_prev = 0;
432 static int repeats = 0;
433 int ret, release = 0, wait = 450;
436 wait = autorep_delay_ms;
438 ret = in_menu_wait_any(wait);
442 while (!(ret & interesting)) {
443 ret = in_menu_wait_any(-1);
447 if (release || ret != inp_prev)
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;
461 const int *in_get_dev_binds(int dev_id)
463 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
466 return in_devices[dev_id].binds;
469 const int *in_get_dev_def_binds(int dev_id)
471 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
474 return in_devices[dev_id].binds + in_devices[dev_id].key_count * IN_BINDTYPE_COUNT;
477 int in_get_config(int dev_id, int what, void *val)
482 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || val == NULL)
485 dev = &in_devices[dev_id];
487 case IN_CFG_BIND_COUNT:
488 *ival = dev->key_count;
490 case IN_CFG_DOES_COMBOS:
491 *ival = dev->does_combos;
493 case IN_CFG_BLOCKING:
494 case IN_CFG_KEY_NAMES:
495 return -1; /* not implemented */
497 return DRV(dev->drv_id).get_config(dev->drv_data, what, ival);
503 static int in_set_blocking(int is_blocking)
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);
520 ret = in_update_keycode(NULL, NULL, 0);
526 int in_set_config(int dev_id, int what, const void *val, int size)
528 const int *ival = val;
531 if (what == IN_CFG_BLOCKING)
532 return in_set_blocking(*ival);
534 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
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]);
542 if (count < dev->key_count) {
543 lprintf("input: set_key_names: not enough keys\n");
547 dev->key_names = names;
551 return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival);
554 const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
556 const char *name, *tmp;
558 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
561 if (must_be_active && !in_devices[dev_id].probed)
564 name = in_devices[dev_id].name;
565 if (name == NULL || !skip_pfix)
569 tmp = strchr(name, ':');
576 int in_name_to_id(const char *dev_name)
580 for (i = 0; i < in_dev_count; i++)
581 if (strcmp(dev_name, in_devices[i].name) == 0)
584 if (i >= in_dev_count) {
585 lprintf("input: in_name_to_id: no such device: %s\n", dev_name);
592 /* never returns NULL */
593 const char *in_get_key_name(int dev_id, int keycode)
595 const char *name = NULL;
596 static char xname[16];
599 if (dev_id < 0) /* want last used dev? */
600 dev_id = menu_last_used_dev;
602 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
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);
609 if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count)
610 name = dev->key_names[keycode];
614 name = DRV(dev->drv_id).get_key_name(keycode);
618 /* assume scancode */
619 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
620 || (keycode >= 'A' && keycode <= 'Z'))
621 sprintf(xname, "%c", keycode);
623 sprintf(xname, "\\x%02X", keycode);
627 int in_get_key_code(int dev_id, const char *key_name)
632 if (dev_id < 0) /* want last used dev? */
633 dev_id = menu_last_used_dev;
635 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
638 dev = &in_devices[dev_id];
639 if (dev->key_names == NULL)
642 for (i = 0; i < dev->key_count; i++)
643 if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0)
649 int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
654 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
657 dev = &in_devices[dev_id];
658 count = dev->key_count;
660 if (dev->binds == NULL) {
663 dev->binds = in_alloc_binds(dev->drv_id, count);
664 if (dev->binds == NULL)
668 if (keycode < 0 || keycode >= count)
672 dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
674 dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
676 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
677 dev->binds + count * IN_BINDTYPE_COUNT);
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
693 void in_unbind_all(int dev_id_, int act_mask, int bind_type)
695 int dev_id = 0, dev_last = IN_MAX_DEVS - 1;
700 dev_id = dev_last = dev_id_;
702 if (bind_type >= IN_BINDTYPE_COUNT)
705 for (; dev_id <= dev_last; dev_id++) {
706 dev = &in_devices[dev_id];
707 count = dev->key_count;
709 if (dev->binds == NULL)
712 if (act_mask != -1) {
713 for (i = 0; i < count; i++)
714 dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
717 memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT);
721 /* returns device id, or -1 on error */
722 int in_config_parse_dev(const char *name)
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) {
735 lprintf("input: missing driver for %s\n", name);
739 for (i = 0; i < in_dev_count; i++)
741 if (in_devices[i].name == NULL)
743 if (strcmp(in_devices[i].name, name) == 0)
747 if (i >= IN_MAX_DEVS)
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);
758 memset(&in_devices[i], 0, sizeof(in_devices[i]));
760 in_devices[i].name = strdup(name);
761 if (in_devices[i].name == NULL)
764 in_devices[i].key_count = DRV(drv_id).get_bind_count();
765 in_devices[i].drv_id = drv_id;
767 if (i + 1 > in_dev_count)
768 in_dev_count = i + 1;
774 * To reduce size of game specific configs, default binds are not saved.
775 * So we mark default binds in in_config_start(), override them in in_config_bind_key(),
776 * and restore whatever default binds are left in in_config_end().
778 void in_config_start(void)
782 /* mark all default binds, so they get overwritten by func below */
783 for (i = 0; i < IN_MAX_DEVS; i++) {
784 int n, count, *binds, *def_binds;
786 binds = in_devices[i].binds;
790 count = in_devices[i].key_count;
791 def_binds = binds + count * IN_BINDTYPE_COUNT;
793 for (n = 0; n < count * IN_BINDTYPE_COUNT; n++)
794 if (binds[n] == def_binds[n])
799 int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
804 if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT)
806 dev = &in_devices[dev_id];
808 /* maybe a raw code? */
809 if (key[0] == '\\' && key[1] == 'x') {
811 kc = (int)strtoul(key + 2, &p, 16);
812 if (p == NULL || *p != 0)
816 /* device specific key name */
817 if (dev->binds == NULL) {
818 dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
819 if (dev->binds == NULL)
825 if (dev->key_names != NULL) {
826 for (i = 0; i < dev->key_count; i++) {
827 const char *k = dev->key_names[i];
828 if (k != NULL && strcasecmp(k, key) == 0) {
836 kc = DRV(dev->drv_id).get_key_code(key);
837 if (kc < 0 && strlen(key) == 1) {
838 /* assume scancode */
843 if (kc < 0 || kc >= dev->key_count) {
844 lprintf("input: bad key: %s\n", key);
848 if (bind_type == IN_BINDTYPE_NONE) {
849 for (i = 0; i < IN_BINDTYPE_COUNT; i++)
850 dev->binds[IN_BIND_OFFS(kc, i)] = 0;
854 offs = IN_BIND_OFFS(kc, bind_type);
855 if (dev->binds[offs] == -1)
856 dev->binds[offs] = 0;
857 dev->binds[offs] |= acts;
861 void in_config_end(void)
865 for (i = 0; i < IN_MAX_DEVS; i++) {
866 int n, t, ret, count, *binds, *def_binds;
867 in_dev_t *dev = &in_devices[i];
869 if (dev->binds == NULL)
872 count = dev->key_count;
874 def_binds = binds + count * IN_BINDTYPE_COUNT;
876 for (n = 0; n < count; n++) {
878 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
879 if (binds[IN_BIND_OFFS(n, t)] == -1)
880 binds[IN_BIND_OFFS(n, t)] = 0;
885 for (t = 0; t < IN_BINDTYPE_COUNT; t++)
886 binds[IN_BIND_OFFS(n, t)] = def_binds[IN_BIND_OFFS(n, t)];
889 if (dev->drv_data == NULL)
892 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
894 /* no useable binds */
901 void in_debug_dump(void)
905 lprintf("# drv probed binds name\n");
906 for (i = 0; i < IN_MAX_DEVS; i++) {
907 in_dev_t *d = &in_devices[i];
908 if (!d->probed && d->name == NULL && d->binds == NULL)
910 lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
911 d->binds ? 'y' : 'n', d->name);
915 /* handlers for unknown/not_preset drivers */
917 static void in_def_probe(void) {}
918 static void in_def_free(void *drv_data) {}
919 static int in_def_get_bind_count(void) { return 0; }
920 static void in_def_get_def_binds(int *binds) {}
921 static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 0; }
922 static int in_def_get_config(void *drv_data, int what, int *val) { return -1; }
923 static int in_def_set_config(void *drv_data, int what, int val) { return -1; }
924 static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; }
925 static int in_def_menu_translate(void *drv_data, int keycode) { return keycode; }
926 static int in_def_get_key_code(const char *key_name) { return -1; }
927 static const char *in_def_get_key_name(int keycode) { return NULL; }
933 memset(in_drivers, 0, sizeof(in_drivers));
934 memset(in_devices, 0, sizeof(in_devices));
937 for (i = 0; i < IN_DRVID_COUNT; i++) {
938 in_drivers[i].prefix = "none:";
939 in_drivers[i].probe = in_def_probe;
940 in_drivers[i].free = in_def_free;
941 in_drivers[i].get_bind_count = in_def_get_bind_count;
942 in_drivers[i].get_def_binds = in_def_get_def_binds;
943 in_drivers[i].clean_binds = in_def_clean_binds;
944 in_drivers[i].get_config = in_def_get_config;
945 in_drivers[i].set_config = in_def_set_config;
946 in_drivers[i].update_keycode = in_def_update_keycode;
947 in_drivers[i].menu_translate = in_def_menu_translate;
948 in_drivers[i].get_key_code = in_def_get_key_code;
949 in_drivers[i].get_key_name = in_def_get_key_name;
953 in_gp2x_init(&in_drivers[IN_DRVID_GP2X]);
956 in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
959 in_vk_init(&in_drivers[IN_DRVID_VK]);
976 ret = in_update_keycode(&dev, &down);
977 lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
981 ret = in_menu_wait_any();
982 lprintf("%08x\n", ret);