| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2008-2011 |
| 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 | * - MAME license. |
| 9 | * See the COPYING file in the top-level directory. |
| 10 | */ |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | #include <stdlib.h> |
| 14 | #include <string.h> |
| 15 | |
| 16 | #include "input.h" |
| 17 | #include "plat.h" |
| 18 | #include "lprintf.h" |
| 19 | |
| 20 | #ifdef IN_GP2X |
| 21 | #error needs update: in_gp2x_init in_gp2x_update |
| 22 | #include "../gp2x/in_gp2x.h" |
| 23 | #endif |
| 24 | #ifdef IN_VK |
| 25 | #error needs update: in_vk_init in_vk_update |
| 26 | #include "../win32/in_vk.h" |
| 27 | #endif |
| 28 | |
| 29 | typedef 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 | |
| 42 | static in_drv_t *in_drivers; |
| 43 | static in_dev_t in_devices[IN_MAX_DEVS]; |
| 44 | static int in_driver_count = 0; |
| 45 | static int in_dev_count = 0; /* probed + bind devices */ |
| 46 | static int in_have_async_devs = 0; |
| 47 | static int in_probe_dev_id; |
| 48 | static int menu_key_state = 0; |
| 49 | static int menu_last_used_dev = 0; |
| 50 | |
| 51 | #define DRV(id) in_drivers[id] |
| 52 | |
| 53 | |
| 54 | static int *in_alloc_binds(int drv_id, int key_count) |
| 55 | { |
| 56 | const struct in_default_bind *defbinds; |
| 57 | int *binds; |
| 58 | int i; |
| 59 | |
| 60 | binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0])); |
| 61 | if (binds == NULL) |
| 62 | return NULL; |
| 63 | |
| 64 | defbinds = DRV(drv_id).defbinds; |
| 65 | if (defbinds != NULL) { |
| 66 | for (i = 0; ; i++) { |
| 67 | if (defbinds[i].bit == 0 && defbinds[i].code == 0) |
| 68 | break; |
| 69 | binds[IN_BIND_OFFS(defbinds[i].code, defbinds[i].btype)] = |
| 70 | 1 << defbinds[i].bit; |
| 71 | } |
| 72 | |
| 73 | /* always have a copy of defbinds */ |
| 74 | memcpy(binds + key_count * IN_BINDTYPE_COUNT, binds, |
| 75 | sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT); |
| 76 | } |
| 77 | |
| 78 | return binds; |
| 79 | } |
| 80 | |
| 81 | static void in_unprobe(in_dev_t *dev) |
| 82 | { |
| 83 | if (dev->probed) |
| 84 | DRV(dev->drv_id).free(dev->drv_data); |
| 85 | dev->probed = 0; |
| 86 | dev->drv_data = NULL; |
| 87 | } |
| 88 | |
| 89 | static void in_free(in_dev_t *dev) |
| 90 | { |
| 91 | in_unprobe(dev); |
| 92 | free(dev->name); |
| 93 | dev->name = NULL; |
| 94 | free(dev->binds); |
| 95 | dev->binds = NULL; |
| 96 | } |
| 97 | |
| 98 | /* to be called by drivers |
| 99 | * async devices must set drv_fd_hnd to -1 */ |
| 100 | void in_register(const char *nname, int drv_fd_hnd, void *drv_data, |
| 101 | int key_count, const char * const *key_names, int combos) |
| 102 | { |
| 103 | int i, ret, dupe_count = 0, *binds; |
| 104 | char name[256], *name_end, *tmp; |
| 105 | |
| 106 | strncpy(name, nname, sizeof(name)); |
| 107 | name[sizeof(name)-12] = 0; |
| 108 | name_end = name + strlen(name); |
| 109 | |
| 110 | for (i = 0; i < in_dev_count; i++) |
| 111 | { |
| 112 | if (in_devices[i].name == NULL) |
| 113 | continue; |
| 114 | if (strcmp(in_devices[i].name, name) == 0) |
| 115 | { |
| 116 | if (in_devices[i].probed) { |
| 117 | dupe_count++; |
| 118 | sprintf(name_end, " [%d]", dupe_count); |
| 119 | continue; |
| 120 | } |
| 121 | goto update; |
| 122 | } |
| 123 | } |
| 124 | |
| 125 | if (i >= IN_MAX_DEVS) |
| 126 | { |
| 127 | /* try to find unused device */ |
| 128 | for (i = 0; i < IN_MAX_DEVS; i++) |
| 129 | if (!in_devices[i].probed) break; |
| 130 | if (i >= IN_MAX_DEVS) { |
| 131 | lprintf("input: too many devices, can't add %s\n", name); |
| 132 | return; |
| 133 | } |
| 134 | in_free(&in_devices[i]); |
| 135 | } |
| 136 | |
| 137 | tmp = strdup(name); |
| 138 | if (tmp == NULL) |
| 139 | return; |
| 140 | |
| 141 | binds = in_alloc_binds(in_probe_dev_id, key_count); |
| 142 | if (binds == NULL) { |
| 143 | free(tmp); |
| 144 | return; |
| 145 | } |
| 146 | |
| 147 | in_devices[i].name = tmp; |
| 148 | in_devices[i].binds = binds; |
| 149 | in_devices[i].key_count = key_count; |
| 150 | if (i + 1 > in_dev_count) |
| 151 | in_dev_count = i + 1; |
| 152 | |
| 153 | lprintf("input: new device #%d \"%s\"\n", i, name); |
| 154 | update: |
| 155 | in_devices[i].probed = 1; |
| 156 | in_devices[i].does_combos = combos; |
| 157 | in_devices[i].drv_id = in_probe_dev_id; |
| 158 | in_devices[i].drv_fd_hnd = drv_fd_hnd; |
| 159 | in_devices[i].key_names = key_names; |
| 160 | in_devices[i].drv_data = drv_data; |
| 161 | |
| 162 | if (in_devices[i].binds != NULL) { |
| 163 | ret = DRV(in_probe_dev_id).clean_binds(drv_data, in_devices[i].binds, |
| 164 | in_devices[i].binds + key_count * IN_BINDTYPE_COUNT); |
| 165 | if (ret == 0) { |
| 166 | /* no useable binds */ |
| 167 | free(in_devices[i].binds); |
| 168 | in_devices[i].binds = NULL; |
| 169 | } |
| 170 | } |
| 171 | } |
| 172 | |
| 173 | /* key combo handling, to be called by drivers that support it. |
| 174 | * Only care about IN_BINDTYPE_EMU */ |
| 175 | void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts) |
| 176 | { |
| 177 | int act, u; |
| 178 | |
| 179 | *combo_keys = *combo_acts = 0; |
| 180 | for (act = 0; act < sizeof(binds[0]) * 8; act++) |
| 181 | { |
| 182 | int keyc = 0; |
| 183 | for (u = 0; u <= last_key; u++) |
| 184 | if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) |
| 185 | keyc++; |
| 186 | |
| 187 | if (keyc > 1) |
| 188 | { |
| 189 | // loop again and mark those keys and actions as combo |
| 190 | for (u = 0; u <= last_key; u++) |
| 191 | { |
| 192 | if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) { |
| 193 | *combo_keys |= 1 << u; |
| 194 | *combo_acts |= 1 << act; |
| 195 | } |
| 196 | } |
| 197 | } |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts) |
| 202 | { |
| 203 | int i, ret = 0; |
| 204 | |
| 205 | for (i = 0; i <= last_key; i++) |
| 206 | { |
| 207 | int acts, acts_c, u; |
| 208 | |
| 209 | if (!(keys & (1 << i))) |
| 210 | continue; |
| 211 | |
| 212 | acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)]; |
| 213 | if (!acts) |
| 214 | continue; |
| 215 | |
| 216 | if (!(combo_keys & (1 << i))) { |
| 217 | ret |= acts; |
| 218 | continue; |
| 219 | } |
| 220 | |
| 221 | acts_c = acts & combo_acts; |
| 222 | u = last_key; |
| 223 | if (acts_c) { |
| 224 | // let's try to find the other one |
| 225 | for (u = i + 1; u <= last_key; u++) |
| 226 | if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) { |
| 227 | ret |= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)]; |
| 228 | keys &= ~((1 << i) | (1 << u)); |
| 229 | break; |
| 230 | } |
| 231 | } |
| 232 | // add non-combo actions if combo ones were not found |
| 233 | if (u >= last_key) |
| 234 | ret |= acts & ~combo_acts; |
| 235 | } |
| 236 | |
| 237 | return ret; |
| 238 | } |
| 239 | |
| 240 | void in_probe(void) |
| 241 | { |
| 242 | int i; |
| 243 | |
| 244 | in_have_async_devs = 0; |
| 245 | menu_key_state = 0; |
| 246 | menu_last_used_dev = 0; |
| 247 | |
| 248 | for (i = 0; i < in_dev_count; i++) |
| 249 | in_unprobe(&in_devices[i]); |
| 250 | |
| 251 | for (i = 0; i < in_driver_count; i++) { |
| 252 | in_probe_dev_id = i; |
| 253 | in_drivers[i].probe(); |
| 254 | } |
| 255 | |
| 256 | /* get rid of devs without binds and probes */ |
| 257 | for (i = 0; i < in_dev_count; i++) { |
| 258 | if (!in_devices[i].probed && in_devices[i].binds == NULL) { |
| 259 | in_dev_count--; |
| 260 | if (i < in_dev_count) { |
| 261 | free(in_devices[i].name); |
| 262 | memmove(&in_devices[i], &in_devices[i+1], |
| 263 | (in_dev_count - i) * sizeof(in_devices[0])); |
| 264 | } |
| 265 | |
| 266 | continue; |
| 267 | } |
| 268 | |
| 269 | if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1) |
| 270 | in_have_async_devs = 1; |
| 271 | } |
| 272 | |
| 273 | if (in_have_async_devs) |
| 274 | lprintf("input: async-only devices detected..\n"); |
| 275 | |
| 276 | in_debug_dump(); |
| 277 | } |
| 278 | |
| 279 | /* async update */ |
| 280 | int in_update(int *result) |
| 281 | { |
| 282 | int i, ret = 0; |
| 283 | |
| 284 | for (i = 0; i < in_dev_count; i++) { |
| 285 | in_dev_t *dev = &in_devices[i]; |
| 286 | if (dev->probed && dev->binds != NULL) |
| 287 | ret |= DRV(dev->drv_id).update(dev->drv_data, dev->binds, result); |
| 288 | } |
| 289 | |
| 290 | return ret; |
| 291 | } |
| 292 | |
| 293 | static in_dev_t *get_dev(int dev_id) |
| 294 | { |
| 295 | if (dev_id < 0 || dev_id >= IN_MAX_DEVS) |
| 296 | return NULL; |
| 297 | |
| 298 | return &in_devices[dev_id]; |
| 299 | } |
| 300 | |
| 301 | int in_update_analog(int dev_id, int axis_id, int *result) |
| 302 | { |
| 303 | in_dev_t *dev = get_dev(dev_id); |
| 304 | |
| 305 | if (dev == NULL || !dev->probed) |
| 306 | return -1; |
| 307 | |
| 308 | return DRV(dev->drv_id).update_analog(dev->drv_data, axis_id, result); |
| 309 | } |
| 310 | |
| 311 | static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms) |
| 312 | { |
| 313 | int i, is_down, result; |
| 314 | unsigned int ticks; |
| 315 | |
| 316 | ticks = plat_get_ticks_ms(); |
| 317 | |
| 318 | while (1) |
| 319 | { |
| 320 | for (i = 0; i < in_dev_count; i++) { |
| 321 | in_dev_t *d = &in_devices[i]; |
| 322 | if (!d->probed) |
| 323 | continue; |
| 324 | |
| 325 | result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down); |
| 326 | if (result == -1) |
| 327 | continue; |
| 328 | |
| 329 | if (dev_id_out) |
| 330 | *dev_id_out = i; |
| 331 | if (is_down_out) |
| 332 | *is_down_out = is_down; |
| 333 | return result; |
| 334 | } |
| 335 | |
| 336 | if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms) |
| 337 | break; |
| 338 | |
| 339 | plat_sleep_ms(10); |
| 340 | } |
| 341 | |
| 342 | return -1; |
| 343 | } |
| 344 | |
| 345 | /* |
| 346 | * wait for a press, always return some keycode or -1 on timeout or error |
| 347 | */ |
| 348 | int in_update_keycode(int *dev_id_out, int *is_down_out, char *charcode, int timeout_ms) |
| 349 | { |
| 350 | int result = -1, dev_id = 0, is_down, result_menu; |
| 351 | int fds_hnds[IN_MAX_DEVS]; |
| 352 | int i, ret, count = 0; |
| 353 | in_drv_t *drv = NULL; |
| 354 | unsigned int ticks; |
| 355 | |
| 356 | if (in_have_async_devs) { |
| 357 | result = in_update_kc_async(&dev_id, &is_down, timeout_ms); |
| 358 | if (result == -1) |
| 359 | return -1; |
| 360 | drv = &DRV(in_devices[dev_id].drv_id); |
| 361 | goto finish; |
| 362 | } |
| 363 | |
| 364 | ticks = plat_get_ticks_ms(); |
| 365 | |
| 366 | for (i = 0; i < in_dev_count; i++) { |
| 367 | if (in_devices[i].probed) |
| 368 | fds_hnds[count++] = in_devices[i].drv_fd_hnd; |
| 369 | } |
| 370 | |
| 371 | if (count == 0) { |
| 372 | /* don't deadlock, fail */ |
| 373 | lprintf("input: failed to find devices to read\n"); |
| 374 | exit(1); |
| 375 | } |
| 376 | |
| 377 | while (1) |
| 378 | { |
| 379 | ret = plat_wait_event(fds_hnds, count, timeout_ms); |
| 380 | if (ret < 0) |
| 381 | break; |
| 382 | |
| 383 | for (i = 0; i < in_dev_count; i++) { |
| 384 | if (in_devices[i].drv_fd_hnd == ret) { |
| 385 | dev_id = i; |
| 386 | break; |
| 387 | } |
| 388 | } |
| 389 | |
| 390 | drv = &DRV(in_devices[dev_id].drv_id); |
| 391 | result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down); |
| 392 | if (result >= 0) |
| 393 | break; |
| 394 | |
| 395 | if (result == -2) { |
| 396 | lprintf("input: \"%s\" errored out, removing.\n", in_devices[dev_id].name); |
| 397 | in_unprobe(&in_devices[dev_id]); |
| 398 | break; |
| 399 | } |
| 400 | |
| 401 | if (timeout_ms >= 0) { |
| 402 | unsigned int ticks2 = plat_get_ticks_ms(); |
| 403 | timeout_ms -= ticks2 - ticks; |
| 404 | ticks = ticks2; |
| 405 | if (timeout_ms <= 0) |
| 406 | break; |
| 407 | } |
| 408 | } |
| 409 | |
| 410 | if (result < 0) |
| 411 | return -1; |
| 412 | finish: |
| 413 | /* keep track of menu key state, to allow mixing |
| 414 | * in_update_keycode() and in_menu_wait_any() calls */ |
| 415 | result_menu = drv->menu_translate(in_devices[dev_id].drv_data, result, charcode); |
| 416 | if (result_menu != 0) { |
| 417 | if (is_down) |
| 418 | menu_key_state |= result_menu; |
| 419 | else |
| 420 | menu_key_state &= ~result_menu; |
| 421 | } |
| 422 | |
| 423 | if (dev_id_out != NULL) |
| 424 | *dev_id_out = dev_id; |
| 425 | if (is_down_out != NULL) |
| 426 | *is_down_out = is_down; |
| 427 | return result; |
| 428 | } |
| 429 | |
| 430 | /* same as above, only return bitfield of PBTN_* */ |
| 431 | int in_menu_wait_any(char *charcode, int timeout_ms) |
| 432 | { |
| 433 | int keys_old = menu_key_state; |
| 434 | |
| 435 | while (1) |
| 436 | { |
| 437 | int code, is_down = 0, dev_id = 0; |
| 438 | |
| 439 | code = in_update_keycode(&dev_id, &is_down, charcode, timeout_ms); |
| 440 | if (code < 0) |
| 441 | break; |
| 442 | |
| 443 | if (keys_old != menu_key_state) { |
| 444 | menu_last_used_dev = dev_id; |
| 445 | break; |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | return menu_key_state; |
| 450 | } |
| 451 | |
| 452 | /* wait for menu input, do autorepeat */ |
| 453 | int in_menu_wait(int interesting, char *charcode, int autorep_delay_ms) |
| 454 | { |
| 455 | static int inp_prev = 0; |
| 456 | static int repeats = 0; |
| 457 | int ret, release = 0, wait = 450; |
| 458 | |
| 459 | if (repeats) |
| 460 | wait = autorep_delay_ms; |
| 461 | |
| 462 | ret = in_menu_wait_any(charcode, wait); |
| 463 | if (ret == inp_prev) |
| 464 | repeats++; |
| 465 | |
| 466 | while (!(ret & interesting)) { |
| 467 | ret = in_menu_wait_any(charcode, -1); |
| 468 | release = 1; |
| 469 | } |
| 470 | |
| 471 | if (release || ret != inp_prev) |
| 472 | repeats = 0; |
| 473 | |
| 474 | inp_prev = ret; |
| 475 | |
| 476 | /* we don't need diagonals in menus */ |
| 477 | if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT; |
| 478 | if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT; |
| 479 | if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT; |
| 480 | if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT; |
| 481 | |
| 482 | return ret; |
| 483 | } |
| 484 | |
| 485 | const int *in_get_dev_binds(int dev_id) |
| 486 | { |
| 487 | in_dev_t *dev = get_dev(dev_id); |
| 488 | |
| 489 | return dev ? dev->binds : NULL; |
| 490 | } |
| 491 | |
| 492 | const int *in_get_dev_def_binds(int dev_id) |
| 493 | { |
| 494 | in_dev_t *dev = get_dev(dev_id); |
| 495 | if (dev == NULL) |
| 496 | return NULL; |
| 497 | |
| 498 | return dev->binds + dev->key_count * IN_BINDTYPE_COUNT; |
| 499 | } |
| 500 | |
| 501 | int in_get_config(int dev_id, int what, void *val) |
| 502 | { |
| 503 | int *ival = val; |
| 504 | in_dev_t *dev; |
| 505 | |
| 506 | dev = get_dev(dev_id); |
| 507 | if (dev == NULL || val == NULL) |
| 508 | return -1; |
| 509 | |
| 510 | switch (what) { |
| 511 | case IN_CFG_BIND_COUNT: |
| 512 | *ival = dev->key_count; |
| 513 | break; |
| 514 | case IN_CFG_DOES_COMBOS: |
| 515 | *ival = dev->does_combos; |
| 516 | break; |
| 517 | case IN_CFG_BLOCKING: |
| 518 | case IN_CFG_KEY_NAMES: |
| 519 | return -1; /* not implemented */ |
| 520 | default: |
| 521 | return DRV(dev->drv_id).get_config(dev->drv_data, what, ival); |
| 522 | } |
| 523 | |
| 524 | return 0; |
| 525 | } |
| 526 | |
| 527 | static int in_set_blocking(int is_blocking) |
| 528 | { |
| 529 | int i, ret; |
| 530 | |
| 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) |
| 535 | DRV(in_devices[i].drv_id).set_config(in_devices[i].drv_data, |
| 536 | IN_CFG_BLOCKING, is_blocking); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | menu_key_state = 0; |
| 541 | |
| 542 | /* flush events */ |
| 543 | do { |
| 544 | ret = in_update_keycode(NULL, NULL, NULL, 0); |
| 545 | } while (ret >= 0); |
| 546 | |
| 547 | return 0; |
| 548 | } |
| 549 | |
| 550 | int in_set_config(int dev_id, int what, const void *val, int size) |
| 551 | { |
| 552 | const char * const *names; |
| 553 | const int *ival = val; |
| 554 | in_dev_t *dev; |
| 555 | int count; |
| 556 | |
| 557 | if (what == IN_CFG_BLOCKING) |
| 558 | return in_set_blocking(*ival); |
| 559 | |
| 560 | dev = get_dev(dev_id); |
| 561 | if (dev == NULL) |
| 562 | return -1; |
| 563 | |
| 564 | switch (what) { |
| 565 | case IN_CFG_KEY_NAMES: |
| 566 | names = val; |
| 567 | count = size / sizeof(names[0]); |
| 568 | |
| 569 | if (count < dev->key_count) { |
| 570 | lprintf("input: set_key_names: not enough keys\n"); |
| 571 | return -1; |
| 572 | } |
| 573 | |
| 574 | dev->key_names = names; |
| 575 | return 0; |
| 576 | case IN_CFG_DEFAULT_DEV: |
| 577 | /* just set last used dev, for now */ |
| 578 | menu_last_used_dev = dev_id; |
| 579 | return 0; |
| 580 | default: |
| 581 | break; |
| 582 | } |
| 583 | |
| 584 | if (dev->probed) |
| 585 | return DRV(dev->drv_id).set_config(dev->drv_data, what, *ival); |
| 586 | |
| 587 | return -1; |
| 588 | } |
| 589 | |
| 590 | const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix) |
| 591 | { |
| 592 | const char *name, *tmp; |
| 593 | in_dev_t *dev; |
| 594 | |
| 595 | dev = get_dev(dev_id); |
| 596 | if (dev == NULL) |
| 597 | return NULL; |
| 598 | |
| 599 | if (must_be_active && !dev->probed) |
| 600 | return NULL; |
| 601 | |
| 602 | name = dev->name; |
| 603 | if (name == NULL || !skip_pfix) |
| 604 | return name; |
| 605 | |
| 606 | /* skip prefix */ |
| 607 | tmp = strchr(name, ':'); |
| 608 | if (tmp != NULL) |
| 609 | name = tmp + 1; |
| 610 | |
| 611 | return name; |
| 612 | } |
| 613 | |
| 614 | int in_name_to_id(const char *dev_name) |
| 615 | { |
| 616 | int i; |
| 617 | |
| 618 | for (i = 0; i < in_dev_count; i++) |
| 619 | if (strcmp(dev_name, in_devices[i].name) == 0) |
| 620 | break; |
| 621 | |
| 622 | if (i >= in_dev_count) { |
| 623 | lprintf("input: in_name_to_id: no such device: %s\n", dev_name); |
| 624 | return -1; |
| 625 | } |
| 626 | |
| 627 | return i; |
| 628 | } |
| 629 | |
| 630 | /* never returns NULL */ |
| 631 | const char *in_get_key_name(int dev_id, int keycode) |
| 632 | { |
| 633 | const char *name = NULL; |
| 634 | static char xname[16]; |
| 635 | in_drv_t *drv; |
| 636 | in_dev_t *dev; |
| 637 | |
| 638 | if (dev_id < 0) /* want last used dev? */ |
| 639 | dev_id = menu_last_used_dev; |
| 640 | |
| 641 | dev = get_dev(dev_id); |
| 642 | if (dev == NULL) |
| 643 | return "Unkn0"; |
| 644 | |
| 645 | drv = &DRV(dev->drv_id); |
| 646 | if (keycode < 0) /* want name for menu key? */ |
| 647 | keycode = drv->menu_translate(dev->drv_data, keycode, NULL); |
| 648 | |
| 649 | if (dev->key_names != NULL && 0 <= keycode && keycode < dev->key_count) |
| 650 | name = dev->key_names[keycode]; |
| 651 | if (name != NULL) |
| 652 | return name; |
| 653 | |
| 654 | if (drv->get_key_name != NULL) |
| 655 | name = drv->get_key_name(keycode); |
| 656 | if (name != NULL) |
| 657 | return name; |
| 658 | |
| 659 | /* assume scancode */ |
| 660 | if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z') |
| 661 | || (keycode >= 'A' && keycode <= 'Z')) |
| 662 | sprintf(xname, "%c", keycode); |
| 663 | else |
| 664 | sprintf(xname, "\\x%02X", keycode); |
| 665 | return xname; |
| 666 | } |
| 667 | |
| 668 | int in_get_key_code(int dev_id, const char *key_name) |
| 669 | { |
| 670 | in_dev_t *dev; |
| 671 | int i; |
| 672 | |
| 673 | if (dev_id < 0) /* want last used dev? */ |
| 674 | dev_id = menu_last_used_dev; |
| 675 | |
| 676 | dev = get_dev(dev_id); |
| 677 | if (dev == NULL) |
| 678 | return -1; |
| 679 | |
| 680 | if (dev->key_names == NULL) |
| 681 | return -1; |
| 682 | |
| 683 | for (i = 0; i < dev->key_count; i++) |
| 684 | if (dev->key_names[i] && strcasecmp(dev->key_names[i], key_name) == 0) |
| 685 | return i; |
| 686 | |
| 687 | return -1; |
| 688 | } |
| 689 | |
| 690 | int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind) |
| 691 | { |
| 692 | int ret, count; |
| 693 | in_dev_t *dev; |
| 694 | |
| 695 | dev = get_dev(dev_id); |
| 696 | if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT) |
| 697 | return -1; |
| 698 | |
| 699 | count = dev->key_count; |
| 700 | |
| 701 | if (dev->binds == NULL) { |
| 702 | if (force_unbind) |
| 703 | return 0; |
| 704 | dev->binds = in_alloc_binds(dev->drv_id, count); |
| 705 | if (dev->binds == NULL) |
| 706 | return -1; |
| 707 | } |
| 708 | |
| 709 | if (keycode < 0 || keycode >= count) |
| 710 | return -1; |
| 711 | |
| 712 | if (force_unbind) |
| 713 | dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask; |
| 714 | else |
| 715 | dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask; |
| 716 | |
| 717 | ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds, |
| 718 | dev->binds + count * IN_BINDTYPE_COUNT); |
| 719 | if (ret == 0) { |
| 720 | free(dev->binds); |
| 721 | dev->binds = NULL; |
| 722 | } |
| 723 | |
| 724 | return 0; |
| 725 | } |
| 726 | |
| 727 | /* |
| 728 | * Unbind act_mask on binds with type bind_type |
| 729 | * - if dev_id_ < 0, affects all devices |
| 730 | * else only affects dev_id_ |
| 731 | * - if act_mask == -1, unbind all keys |
| 732 | * else only actions in mask |
| 733 | */ |
| 734 | void in_unbind_all(int dev_id_, int act_mask, int bind_type) |
| 735 | { |
| 736 | int dev_id = 0, dev_last = IN_MAX_DEVS - 1; |
| 737 | int i, count; |
| 738 | in_dev_t *dev; |
| 739 | |
| 740 | if (dev_id_ >= 0) |
| 741 | dev_id = dev_last = dev_id_; |
| 742 | |
| 743 | if (bind_type >= IN_BINDTYPE_COUNT) |
| 744 | return; |
| 745 | |
| 746 | for (; dev_id <= dev_last; dev_id++) { |
| 747 | dev = &in_devices[dev_id]; |
| 748 | count = dev->key_count; |
| 749 | |
| 750 | if (dev->binds == NULL) |
| 751 | continue; |
| 752 | |
| 753 | if (act_mask != -1) { |
| 754 | for (i = 0; i < count; i++) |
| 755 | dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask; |
| 756 | } |
| 757 | else |
| 758 | memset(dev->binds, 0, sizeof(dev->binds[0]) * count * IN_BINDTYPE_COUNT); |
| 759 | } |
| 760 | } |
| 761 | |
| 762 | /* returns device id, or -1 on error */ |
| 763 | int in_config_parse_dev(const char *name) |
| 764 | { |
| 765 | int drv_id = -1, i; |
| 766 | |
| 767 | for (i = 0; i < in_driver_count; i++) { |
| 768 | int len = strlen(in_drivers[i].prefix); |
| 769 | if (strncmp(name, in_drivers[i].prefix, len) == 0) { |
| 770 | drv_id = i; |
| 771 | break; |
| 772 | } |
| 773 | } |
| 774 | |
| 775 | if (drv_id < 0) { |
| 776 | lprintf("input: missing driver for %s\n", name); |
| 777 | return -1; |
| 778 | } |
| 779 | |
| 780 | for (i = 0; i < in_dev_count; i++) |
| 781 | { |
| 782 | if (in_devices[i].name == NULL) |
| 783 | continue; |
| 784 | if (strcmp(in_devices[i].name, name) == 0) |
| 785 | return i; |
| 786 | } |
| 787 | |
| 788 | if (i >= IN_MAX_DEVS) |
| 789 | { |
| 790 | /* try to find unused device */ |
| 791 | for (i = 0; i < IN_MAX_DEVS; i++) |
| 792 | if (in_devices[i].name == NULL) break; |
| 793 | if (i >= IN_MAX_DEVS) { |
| 794 | lprintf("input: too many devices, can't add %s\n", name); |
| 795 | return -1; |
| 796 | } |
| 797 | } |
| 798 | |
| 799 | memset(&in_devices[i], 0, sizeof(in_devices[i])); |
| 800 | |
| 801 | in_devices[i].name = strdup(name); |
| 802 | if (in_devices[i].name == NULL) |
| 803 | return -1; |
| 804 | |
| 805 | in_devices[i].key_names = DRV(drv_id).get_key_names(&in_devices[i].key_count); |
| 806 | in_devices[i].drv_id = drv_id; |
| 807 | |
| 808 | if (i + 1 > in_dev_count) |
| 809 | in_dev_count = i + 1; |
| 810 | |
| 811 | return i; |
| 812 | } |
| 813 | |
| 814 | int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type) |
| 815 | { |
| 816 | in_dev_t *dev; |
| 817 | int i, offs, kc; |
| 818 | |
| 819 | dev = get_dev(dev_id); |
| 820 | if (dev == NULL || bind_type >= IN_BINDTYPE_COUNT) |
| 821 | return -1; |
| 822 | |
| 823 | /* maybe a raw code? */ |
| 824 | if (key[0] == '\\' && key[1] == 'x') { |
| 825 | char *p = NULL; |
| 826 | kc = (int)strtoul(key + 2, &p, 16); |
| 827 | if (p == NULL || *p != 0) |
| 828 | kc = -1; |
| 829 | } |
| 830 | else { |
| 831 | /* device specific key name */ |
| 832 | if (dev->binds == NULL) { |
| 833 | dev->binds = in_alloc_binds(dev->drv_id, dev->key_count); |
| 834 | if (dev->binds == NULL) |
| 835 | return -1; |
| 836 | } |
| 837 | |
| 838 | kc = -1; |
| 839 | if (dev->key_names != NULL) { |
| 840 | for (i = 0; i < dev->key_count; i++) { |
| 841 | const char *k = dev->key_names[i]; |
| 842 | if (k != NULL && strcasecmp(k, key) == 0) { |
| 843 | kc = i; |
| 844 | break; |
| 845 | } |
| 846 | } |
| 847 | } |
| 848 | |
| 849 | if (kc < 0) |
| 850 | kc = DRV(dev->drv_id).get_key_code(key); |
| 851 | if (kc < 0 && strlen(key) == 1) { |
| 852 | /* assume scancode */ |
| 853 | kc = key[0]; |
| 854 | } |
| 855 | } |
| 856 | |
| 857 | if (kc < 0 || kc >= dev->key_count) { |
| 858 | lprintf("input: bad key: %s\n", key); |
| 859 | return -1; |
| 860 | } |
| 861 | |
| 862 | if (bind_type == IN_BINDTYPE_NONE) { |
| 863 | for (i = 0; i < IN_BINDTYPE_COUNT; i++) |
| 864 | dev->binds[IN_BIND_OFFS(kc, i)] = 0; |
| 865 | return 0; |
| 866 | } |
| 867 | |
| 868 | offs = IN_BIND_OFFS(kc, bind_type); |
| 869 | if (dev->binds[offs] == -1) |
| 870 | dev->binds[offs] = 0; |
| 871 | dev->binds[offs] |= acts; |
| 872 | return 0; |
| 873 | } |
| 874 | |
| 875 | void in_clean_binds(void) |
| 876 | { |
| 877 | int i; |
| 878 | |
| 879 | for (i = 0; i < IN_MAX_DEVS; i++) { |
| 880 | int ret, count, *binds, *def_binds; |
| 881 | in_dev_t *dev = &in_devices[i]; |
| 882 | |
| 883 | if (dev->binds == NULL || dev->drv_data == NULL) |
| 884 | continue; |
| 885 | |
| 886 | count = dev->key_count; |
| 887 | binds = dev->binds; |
| 888 | def_binds = binds + count * IN_BINDTYPE_COUNT; |
| 889 | |
| 890 | ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds); |
| 891 | if (ret == 0) { |
| 892 | /* no useable binds */ |
| 893 | free(dev->binds); |
| 894 | dev->binds = NULL; |
| 895 | } |
| 896 | } |
| 897 | } |
| 898 | |
| 899 | void in_debug_dump(void) |
| 900 | { |
| 901 | int i; |
| 902 | |
| 903 | lprintf("# drv probed binds name\n"); |
| 904 | for (i = 0; i < IN_MAX_DEVS; i++) { |
| 905 | in_dev_t *d = &in_devices[i]; |
| 906 | if (!d->probed && d->name == NULL && d->binds == NULL) |
| 907 | continue; |
| 908 | lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n', |
| 909 | d->binds ? 'y' : 'n', d->name); |
| 910 | } |
| 911 | } |
| 912 | |
| 913 | /* stubs for drivers that choose not to implement something */ |
| 914 | |
| 915 | static void in_def_free(void *drv_data) {} |
| 916 | static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 1; } |
| 917 | static int in_def_get_config(void *drv_data, int what, int *val) { return -1; } |
| 918 | static int in_def_set_config(void *drv_data, int what, int val) { return -1; } |
| 919 | static int in_def_update_analog(void *drv_data, int axis_id, int *result) { return -1; } |
| 920 | static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; } |
| 921 | static int in_def_menu_translate(void *drv_data, int keycode, char *ccode) { return 0; } |
| 922 | static int in_def_get_key_code(const char *key_name) { return -1; } |
| 923 | static const char *in_def_get_key_name(int keycode) { return NULL; } |
| 924 | |
| 925 | #define CHECK_ADD_STUB(d, f) \ |
| 926 | if (d.f == NULL) d.f = in_def_##f |
| 927 | |
| 928 | /* to be called by drivers */ |
| 929 | int in_register_driver(const in_drv_t *drv, const struct in_default_bind *defbinds) |
| 930 | { |
| 931 | int count_new = in_driver_count + 1; |
| 932 | in_drv_t *new_drivers; |
| 933 | |
| 934 | new_drivers = realloc(in_drivers, count_new * sizeof(in_drivers[0])); |
| 935 | if (new_drivers == NULL) { |
| 936 | lprintf("input: in_register_driver OOM\n"); |
| 937 | return -1; |
| 938 | } |
| 939 | |
| 940 | memcpy(&new_drivers[in_driver_count], drv, sizeof(new_drivers[0])); |
| 941 | |
| 942 | CHECK_ADD_STUB(new_drivers[in_driver_count], free); |
| 943 | CHECK_ADD_STUB(new_drivers[in_driver_count], clean_binds); |
| 944 | CHECK_ADD_STUB(new_drivers[in_driver_count], get_config); |
| 945 | CHECK_ADD_STUB(new_drivers[in_driver_count], set_config); |
| 946 | CHECK_ADD_STUB(new_drivers[in_driver_count], update_analog); |
| 947 | CHECK_ADD_STUB(new_drivers[in_driver_count], update_keycode); |
| 948 | CHECK_ADD_STUB(new_drivers[in_driver_count], menu_translate); |
| 949 | CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_code); |
| 950 | CHECK_ADD_STUB(new_drivers[in_driver_count], get_key_name); |
| 951 | if (defbinds != NULL) |
| 952 | new_drivers[in_driver_count].defbinds = defbinds; |
| 953 | in_drivers = new_drivers; |
| 954 | in_driver_count = count_new; |
| 955 | |
| 956 | return 0; |
| 957 | } |
| 958 | |
| 959 | void in_init(void) |
| 960 | { |
| 961 | in_drivers = NULL; |
| 962 | memset(in_devices, 0, sizeof(in_devices)); |
| 963 | in_driver_count = 0; |
| 964 | in_dev_count = 0; |
| 965 | } |
| 966 | |
| 967 | #if 0 |
| 968 | int main(void) |
| 969 | { |
| 970 | int ret; |
| 971 | |
| 972 | in_init(); |
| 973 | in_probe(); |
| 974 | |
| 975 | in_set_blocking(1); |
| 976 | |
| 977 | #if 1 |
| 978 | while (1) { |
| 979 | int dev = 0, down; |
| 980 | ret = in_update_keycode(&dev, &down); |
| 981 | lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret)); |
| 982 | } |
| 983 | #else |
| 984 | while (1) { |
| 985 | ret = in_menu_wait_any(); |
| 986 | lprintf("%08x\n", ret); |
| 987 | } |
| 988 | #endif |
| 989 | |
| 990 | return 0; |
| 991 | } |
| 992 | #endif |