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, wait = 20;
277 int ret = 0, release = 0, i;
279 if (repeats == 2) wait = 3;
280 else if (repeats == 4) wait = 2;
281 else if (repeats == 6) wait = 1;
283 for (i = 0; i < wait; i++) {
284 ret = in_menu_wait_any(30);
285 if (ret != inp_prev) break;
286 if (i == 0) repeats++;
289 while (!(ret & interesting)) {
290 ret = in_menu_wait_any(-1);
294 if (release || ret != inp_prev) {
298 if (wait > 6 && (ret & (PBTN_UP|PBTN_DOWN|PBTN_LEFT|PBTN_RIGHT)))
302 // we don't need diagonals in menus
303 if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
304 if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
305 if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
306 if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
311 const int *in_get_dev_binds(int dev_id)
313 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
316 return in_devices[dev_id].binds;
319 const int *in_get_dev_def_binds(int dev_id)
323 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
326 count = in_bind_count(in_devices[dev_id].drv_id);
327 return in_devices[dev_id].binds + count;
330 int in_get_dev_bind_count(int dev_id)
332 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
335 return in_bind_count(in_devices[dev_id].drv_id);
338 const char *in_get_dev_name(int dev_id, int must_be_active)
340 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
343 if (must_be_active && !in_devices[dev_id].probed)
345 return in_devices[dev_id].name;
348 /* never returns NULL */
349 const char *in_get_key_name(int dev_id, int keycode)
351 static char xname[16];
354 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
357 name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode);
361 /* assume scancode */
362 if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z')
363 || (keycode >= 'A' && keycode <= 'Z'))
364 sprintf(xname, "%c", keycode);
366 sprintf(xname, "\\x%02X", keycode);
370 int in_bind_key(int dev_id, int keycode, int mask, int force_unbind)
375 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
377 dev = &in_devices[dev_id];
379 if (dev->binds == NULL) {
382 dev->binds = in_alloc_binds(dev->drv_id);
383 if (dev->binds == NULL)
387 count = in_bind_count(dev->drv_id);
388 if (keycode < 0 || keycode >= count)
392 dev->binds[keycode] &= ~mask;
394 dev->binds[keycode] ^= mask;
396 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds);
405 /* returns device id, or -1 on error */
406 int in_config_parse_dev(const char *name)
410 for (i = 0; i < IN_DRVID_COUNT; i++) {
411 int len = strlen(in_drivers[i].prefix);
412 if (strncmp(name, in_drivers[i].prefix, len) == 0) {
419 printf("input: missing driver for %s\n", name);
423 for (i = 0; i < in_dev_count; i++)
425 if (in_devices[i].name == NULL)
427 if (strcmp(in_devices[i].name, name) == 0)
431 if (i >= IN_MAX_DEVS)
433 /* try to find unused device */
434 for (i = 0; i < IN_MAX_DEVS; i++)
435 if (in_devices[i].name == NULL) break;
436 if (i >= IN_MAX_DEVS) {
437 printf("input: too many devices, can't add %s\n", name);
442 memset(&in_devices[i], 0, sizeof(in_devices[i]));
444 in_devices[i].name = strdup(name);
445 if (in_devices[i].name == NULL)
448 if (i + 1 > in_dev_count)
449 in_dev_count = i + 1;
450 in_devices[i].drv_id = drv_id;
455 void in_config_start(void)
459 /* mark all default binds, so they get overwritten by func below */
460 for (i = 0; i < IN_MAX_DEVS; i++) {
461 int n, count, *binds, *def_binds;
463 binds = in_devices[i].binds;
467 count = in_bind_count(in_devices[i].drv_id);
468 def_binds = binds + count;
470 for (n = 0; n < count; n++)
471 if (binds[n] == def_binds[n])
476 int in_config_bind_key(int dev_id, const char *key, int binds)
481 if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
483 dev = &in_devices[dev_id];
485 count = in_bind_count(dev->drv_id);
487 /* maybe a raw code? */
488 if (key[0] == '\\' && key[1] == 'x') {
490 kc = (int)strtoul(key + 2, &p, 16);
491 if (p == NULL || *p != 0)
495 /* device specific key name */
496 if (dev->binds == NULL) {
497 dev->binds = in_alloc_binds(dev->drv_id);
498 if (dev->binds == NULL)
503 kc = DRV(dev->drv_id).get_key_code(key);
504 if (kc < 0 && strlen(key) == 1) {
505 /* assume scancode */
510 if (kc < 0 || kc >= count) {
511 printf("input: bad key: %s\n", key);
515 if (dev->binds[kc] == -1)
517 dev->binds[kc] |= binds;
522 void in_config_end(void)
526 for (i = 0; i < IN_MAX_DEVS; i++) {
527 int n, ret, count, *binds, *def_binds;
528 in_dev_t *dev = &in_devices[i];
530 if (dev->binds == NULL)
533 count = in_bind_count(dev->drv_id);
535 def_binds = binds + count;
537 for (n = 0; n < count; n++)
539 binds[n] = def_binds[n];
541 if (dev->drv_data == NULL)
544 ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds);
546 /* no useable binds */
553 void in_debug_dump(void)
557 printf("# drv probed binds name\n");
558 for (i = 0; i < IN_MAX_DEVS; i++) {
559 in_dev_t *d = &in_devices[i];
560 if (!d->probed && d->name == NULL && d->binds == NULL)
562 printf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
563 d->binds ? 'y' : 'n', d->name);
567 /* handlers for unknown/not_preset drivers */
569 static void in_def_probe(void) {}
570 static void in_def_free(void *drv_data) {}
571 static int in_def_get_bind_count(void) { return 0; }
572 static void in_def_get_def_binds(int *binds) {}
573 static int in_def_clean_binds(void *drv_data, int *binds) { return 0; }
574 static void in_def_set_blocking(void *data, int y) {}
575 static int in_def_menu_translate(int keycode) { return keycode; }
576 static int in_def_get_key_code(const char *key_name) { return 0; }
577 static const char *in_def_get_key_name(int keycode) { return NULL; }
583 memset(in_drivers, 0, sizeof(in_drivers));
584 memset(in_devices, 0, sizeof(in_devices));
587 for (i = 0; i < IN_DRVID_COUNT; i++) {
588 in_drivers[i].prefix = "none:";
589 in_drivers[i].probe = in_def_probe;
590 in_drivers[i].free = in_def_free;
591 in_drivers[i].get_bind_count = in_def_get_bind_count;
592 in_drivers[i].get_def_binds = in_def_get_def_binds;
593 in_drivers[i].clean_binds = in_def_clean_binds;
594 in_drivers[i].set_blocking = in_def_set_blocking;
595 in_drivers[i].menu_translate = in_def_menu_translate;
596 in_drivers[i].get_key_code = in_def_get_key_code;
597 in_drivers[i].get_key_name = in_def_get_key_name;
601 in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
618 ret = in_update_keycode(&dev, &down);
619 printf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
623 ret = in_menu_wait_any();
624 printf("%08x\n", ret);