7 #include "../linux/in_evdev.h"
18 static in_drv_t in_drivers[IN_DRVID_COUNT];
19 static in_dev_t in_devices[IN_MAX_DEVS];
20 static int in_dev_count = 0;
22 #define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
24 static int in_bind_count(int drv_id)
26 int count = DRV(drv_id).get_bind_count();
28 printf("input: failed to get bind count for drv %d\n", drv_id);
33 static int *in_alloc_binds(int drv_id)
37 count = in_bind_count(drv_id);
41 binds = calloc(count * 2, sizeof(binds[0]));
45 DRV(drv_id).get_def_binds(binds + count);
46 memcpy(binds, binds + count, count * sizeof(binds[0]));
51 static void in_free(in_dev_t *dev)
54 DRV(dev->drv_id).free(dev->drv_data);
63 /* to be called by drivers */
64 void in_register(const char *nname, int drv_id, void *drv_data)
66 int i, ret, dupe_count = 0, *binds;
67 char name[256], *name_end, *tmp;
69 strncpy(name, nname, sizeof(name));
70 name[sizeof(name)-12] = 0;
71 name_end = name + strlen(name);
73 for (i = 0; i < in_dev_count; i++)
75 if (in_devices[i].name == NULL)
77 if (strcmp(in_devices[i].name, name) == 0)
79 if (in_devices[i].probed) {
81 sprintf(name_end, " [%d]", dupe_count);
90 /* try to find unused device */
91 for (i = 0; i < IN_MAX_DEVS; i++)
92 if (!in_devices[i].probed) break;
93 if (i >= IN_MAX_DEVS) {
94 printf("input: too many devices, can't add %s\n", name);
97 in_free(&in_devices[i]);
104 binds = in_alloc_binds(drv_id);
110 in_devices[i].name = tmp;
111 in_devices[i].binds = binds;
112 if (i + 1 > in_dev_count)
113 in_dev_count = i + 1;
115 printf("input: new device #%d \"%s\"\n", i, name);
117 in_devices[i].probed = 1;
118 in_devices[i].drv_id = drv_id;
119 in_devices[i].drv_data = drv_data;
121 if (in_devices[i].binds != NULL) {
122 ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds);
124 /* no useable binds */
125 free(in_devices[i].binds);
126 in_devices[i].binds = NULL;
134 for (i = 0; i < in_dev_count; i++)
135 in_devices[i].probed = 0;
137 for (i = 1; i < IN_DRVID_COUNT; i++)
138 in_drivers[i].probe();
140 /* get rid of devs without binds and probes */
141 for (i = 0; i < in_dev_count; i++) {
142 if (!in_devices[i].probed && in_devices[i].binds == NULL) {
144 if (i < in_dev_count) {
145 free(in_devices[i].name);
146 memmove(&in_devices[i], &in_devices[i+1],
147 (in_dev_count - i) * sizeof(in_devices[0]));
157 for (i = 0; i < in_dev_count; i++) {
158 in_dev_t *dev = &in_devices[i];
159 if (dev->probed && dev->binds != NULL) {
160 switch (dev->drv_id) {
163 result |= in_evdev_update(dev->drv_data, dev->binds);
173 static void **in_collect_drvdata(int drv_id, int *count)
175 static void *data[IN_MAX_DEVS];
178 for (*count = i = 0; i < in_dev_count; i++) {
179 if (in_devices[i].drv_id == drv_id && in_devices[i].probed)
180 data[(*count)++] = in_devices[i].drv_data;
186 static int menu_key_state = 0;
188 void in_set_blocking(int is_blocking)
192 for (i = 0; i < in_dev_count; i++) {
193 if (in_devices[i].probed)
194 DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
199 in_update_keycode(NULL, NULL, 0);
203 * update with wait for a press, return keycode
204 * only can use 1 drv here..
206 int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
208 int result = 0, dev_id = 0, is_down, result_menu;
211 int i, id = 0, count = 0;
213 data = in_collect_drvdata(IN_DRVID_EVDEV, &count);
215 /* don't deadlock, fail */
216 printf("input: failed to find devices to read\n");
220 result = in_evdev_update_keycode(data, count, &id, &is_down, timeout_ms);
222 for (i = id; i < in_dev_count; i++) {
223 if (in_devices[i].drv_data == data[id]) {
229 #error no menu read handlers
232 /* keep track of menu key state, to allow mixing
233 * in_update_keycode() and in_menu_wait_any() calls */
234 result_menu = DRV(in_devices[dev_id].drv_id).menu_translate(result);
235 if (result_menu != 0) {
237 menu_key_state |= result_menu;
239 menu_key_state &= ~result_menu;
242 if (dev_id_out != NULL)
243 *dev_id_out = dev_id;
244 if (is_down_out != NULL)
245 *is_down_out = is_down;
249 /* same as above, only return bitfield of PBTN_* */
250 int in_menu_wait_any(int timeout_ms)
252 int keys_old = menu_key_state;
256 int code, is_down = 0, dev_id = 0;
258 code = in_update_keycode(&dev_id, &is_down, timeout_ms);
259 code = DRV(in_devices[dev_id].drv_id).menu_translate(code);
265 if (keys_old != menu_key_state)
269 return menu_key_state;
272 /* wait for menu input, do autorepeat */
273 int in_menu_wait(int interesting)
275 static int inp_prev = 0;
276 static int repeats = 0;
277 int ret, release = 0, wait = 666;
282 ret = in_menu_wait_any(wait);
286 while (!(ret & interesting)) {
287 ret = in_menu_wait_any(-1);
291 if (release || ret != inp_prev)
296 /* we don't need diagonals in menus */
297 if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
298 if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
299 if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
300 if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
305 const int *in_get_dev_binds(int dev_id)
307 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
310 return in_devices[dev_id].binds;
313 const int *in_get_dev_def_binds(int dev_id)
317 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
320 count = in_bind_count(in_devices[dev_id].drv_id);
321 return in_devices[dev_id].binds + count;
324 int in_get_dev_bind_count(int dev_id)
326 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
329 return in_bind_count(in_devices[dev_id].drv_id);
332 const char *in_get_dev_name(int dev_id, int must_be_active)
334 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
337 if (must_be_active && !in_devices[dev_id].probed)
339 return in_devices[dev_id].name;
342 /* never returns NULL */
343 const char *in_get_key_name(int dev_id, int keycode)
345 static char xname[16];
348 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
351 name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode);
355 /* assume scancode */
356 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
357 || (keycode >= 'A' && keycode <= 'Z'))
358 sprintf(xname, "%c", keycode);
360 sprintf(xname, "\\x%02X", keycode);
364 int in_bind_key(int dev_id, int keycode, int mask, int force_unbind)
369 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
371 dev = &in_devices[dev_id];
373 if (dev->binds == NULL) {
376 dev->binds = in_alloc_binds(dev->drv_id);
377 if (dev->binds == NULL)
381 count = in_bind_count(dev->drv_id);
382 if (keycode < 0 || keycode >= count)
386 dev->binds[keycode] &= ~mask;
388 dev->binds[keycode] ^= mask;
390 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds);
399 /* returns device id, or -1 on error */
400 int in_config_parse_dev(const char *name)
404 for (i = 0; i < IN_DRVID_COUNT; i++) {
405 int len = strlen(in_drivers[i].prefix);
406 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
413 printf("input: missing driver for %s\n", name);
417 for (i = 0; i < in_dev_count; i++)
419 if (in_devices[i].name == NULL)
421 if (strcmp(in_devices[i].name, name) == 0)
425 if (i >= IN_MAX_DEVS)
427 /* try to find unused device */
428 for (i = 0; i < IN_MAX_DEVS; i++)
429 if (in_devices[i].name == NULL) break;
430 if (i >= IN_MAX_DEVS) {
431 printf("input: too many devices, can't add %s\n", name);
436 memset(&in_devices[i], 0, sizeof(in_devices[i]));
438 in_devices[i].name = strdup(name);
439 if (in_devices[i].name == NULL)
442 if (i + 1 > in_dev_count)
443 in_dev_count = i + 1;
444 in_devices[i].drv_id = drv_id;
450 * To reduce size of game specific configs, default binds are not saved.
451 * So we mark default binds in in_config_start(), override them in in_config_bind_key(),
452 * and restore whatever default binds are left in in_config_end().
454 void in_config_start(void)
458 /* mark all default binds, so they get overwritten by func below */
459 for (i = 0; i < IN_MAX_DEVS; i++) {
460 int n, count, *binds, *def_binds;
462 binds = in_devices[i].binds;
466 count = in_bind_count(in_devices[i].drv_id);
467 def_binds = binds + count;
469 for (n = 0; n < count; n++)
470 if (binds[n] == def_binds[n])
475 int in_config_bind_key(int dev_id, const char *key, int binds)
480 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
482 dev = &in_devices[dev_id];
484 count = in_bind_count(dev->drv_id);
486 /* maybe a raw code? */
487 if (key[0] == '\\' && key[1] == 'x') {
489 kc = (int)strtoul(key + 2, &p, 16);
490 if (p == NULL || *p != 0)
494 /* device specific key name */
495 if (dev->binds == NULL) {
496 dev->binds = in_alloc_binds(dev->drv_id);
497 if (dev->binds == NULL)
502 kc = DRV(dev->drv_id).get_key_code(key);
503 if (kc < 0 && strlen(key) == 1) {
504 /* assume scancode */
509 if (kc < 0 || kc >= count) {
510 printf("input: bad key: %s\n", key);
514 if (dev->binds[kc] == -1)
516 dev->binds[kc] |= binds;
521 void in_config_end(void)
525 for (i = 0; i < IN_MAX_DEVS; i++) {
526 int n, ret, count, *binds, *def_binds;
527 in_dev_t *dev = &in_devices[i];
529 if (dev->binds == NULL)
532 count = in_bind_count(dev->drv_id);
534 def_binds = binds + count;
536 for (n = 0; n < count; n++)
538 binds[n] = def_binds[n];
540 if (dev->drv_data == NULL)
543 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds);
545 /* no useable binds */
552 void in_debug_dump(void)
556 printf("# drv probed binds name\n");
557 for (i = 0; i < IN_MAX_DEVS; i++) {
558 in_dev_t *d = &in_devices[i];
559 if (!d->probed && d->name == NULL && d->binds == NULL)
561 printf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
562 d->binds ? 'y' : 'n', d->name);
566 /* handlers for unknown/not_preset drivers */
568 static void in_def_probe(void) {}
569 static void in_def_free(void *drv_data) {}
570 static int in_def_get_bind_count(void) { return 0; }
571 static void in_def_get_def_binds(int *binds) {}
572 static int in_def_clean_binds(void *drv_data, int *binds) { return 0; }
573 static void in_def_set_blocking(void *data, int y) {}
574 static int in_def_menu_translate(int keycode) { return keycode; }
575 static int in_def_get_key_code(const char *key_name) { return 0; }
576 static const char *in_def_get_key_name(int keycode) { return NULL; }
582 memset(in_drivers, 0, sizeof(in_drivers));
583 memset(in_devices, 0, sizeof(in_devices));
586 for (i = 0; i < IN_DRVID_COUNT; i++) {
587 in_drivers[i].prefix = "none:";
588 in_drivers[i].probe = in_def_probe;
589 in_drivers[i].free = in_def_free;
590 in_drivers[i].get_bind_count = in_def_get_bind_count;
591 in_drivers[i].get_def_binds = in_def_get_def_binds;
592 in_drivers[i].clean_binds = in_def_clean_binds;
593 in_drivers[i].set_blocking = in_def_set_blocking;
594 in_drivers[i].menu_translate = in_def_menu_translate;
595 in_drivers[i].get_key_code = in_def_get_key_code;
596 in_drivers[i].get_key_name = in_def_get_key_name;
600 in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
617 ret = in_update_keycode(&dev, &down);
618 printf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
622 ret = in_menu_wait_any();
623 printf("%08x\n", ret);