X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=common%2Finput.c;h=8950535545ef3c14bbf9ee12dc1cacf84ed81a31;hb=8ced8d2b38431e23be1b26457110febbe10d14c7;hp=9e4d5f2b7433266d040a6508769ac94e04dfde7b;hpb=2258f158c46e77d4e62a5ef4814f97c8354a29e3;p=libpicofe.git diff --git a/common/input.c b/common/input.c index 9e4d5f2..8950535 100644 --- a/common/input.c +++ b/common/input.c @@ -3,58 +3,52 @@ #include #include "input.h" -#include "../linux/event.h" +#include "plat.h" +#include "../linux/in_evdev.h" +#include "../gp2x/in_gp2x.h" +#include "../win32/in_vk.h" typedef struct { int drv_id; + int drv_fd_hnd; void *drv_data; - int *binds; char *name; + int key_count; + int *binds; /* total = key_count * bindtypes * 2 */ int probed:1; - int ignore:1; + int does_combos:1; } in_dev_t; -#define IN_MAX_DEVS 10 - +static in_drv_t in_drivers[IN_DRVID_COUNT]; static in_dev_t in_devices[IN_MAX_DEVS]; static int in_dev_count = 0; +static int in_have_async_devs = 0; +static int menu_key_state = 0; +static int menu_last_used_dev = 0; -static int in_bind_count(int drv_id) -{ - int count = 0; -#ifdef IN_EVDEV - if (drv_id == IN_DRVID_EVDEV) - count = in_evdev_bind_count(); -#endif - if (count <= 0) - printf("input: failed to get bind count for drv %d\n", drv_id); +#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0] - return count; -} -static int *in_alloc_binds(int drv_id) +static int *in_alloc_binds(int drv_id, int key_count) { - int count, *ret; + int *binds; - count = in_bind_count(drv_id); - if (count <= 0) { - printf("input: failed to get bind count for drv %d\n", drv_id); + binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0])); + if (binds == NULL) return NULL; - } - ret = malloc(count * sizeof(*ret)); - return ret; + DRV(drv_id).get_def_binds(binds + key_count * IN_BINDTYPE_COUNT); + memcpy(binds, binds + key_count * IN_BINDTYPE_COUNT, + sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT); + + return binds; } static void in_free(in_dev_t *dev) { - if (dev->probed) { -#ifdef IN_EVDEV - if (dev->drv_id == IN_DRVID_EVDEV) - in_evdev_free(dev->drv_data); -#endif - } + if (dev->probed) + DRV(dev->drv_id).free(dev->drv_data); dev->probed = 0; dev->drv_data = NULL; free(dev->name); @@ -63,10 +57,12 @@ static void in_free(in_dev_t *dev) dev->binds = NULL; } -/* to be called by drivers */ -void in_register(const char *nname, int drv_id, void *drv_data) +/* to be called by drivers + * async devices must set drv_fd_hnd to -1 */ +void in_register(const char *nname, int drv_id, int drv_fd_hnd, void *drv_data, + int key_count, int combos) { - int i, dupe_count = 0, *binds; + int i, ret, dupe_count = 0, *binds; char name[256], *name_end, *tmp; strncpy(name, nname, sizeof(name)); @@ -104,7 +100,7 @@ void in_register(const char *nname, int drv_id, void *drv_data) if (tmp == NULL) return; - binds = in_alloc_binds(drv_id); + binds = in_alloc_binds(drv_id, key_count); if (binds == NULL) { free(tmp); return; @@ -112,25 +108,106 @@ void in_register(const char *nname, int drv_id, void *drv_data) in_devices[i].name = tmp; in_devices[i].binds = binds; + in_devices[i].key_count = key_count; if (i + 1 > in_dev_count) in_dev_count = i + 1; printf("input: new device #%d \"%s\"\n", i, name); update: in_devices[i].probed = 1; + in_devices[i].does_combos = combos; in_devices[i].drv_id = drv_id; + in_devices[i].drv_fd_hnd = drv_fd_hnd; in_devices[i].drv_data = drv_data; + + if (in_devices[i].binds != NULL) { + ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds, + in_devices[i].binds + key_count * IN_BINDTYPE_COUNT); + if (ret == 0) { + /* no useable binds */ + free(in_devices[i].binds); + in_devices[i].binds = NULL; + } + } +} + +/* key combo handling, to be called by drivers that support it. + * Only care about IN_BINDTYPE_EMU */ +void in_combos_find(const int *binds, int last_key, int *combo_keys, int *combo_acts) +{ + int act, u; + + *combo_keys = *combo_acts = 0; + for (act = 0; act < sizeof(binds[0]) * 8; act++) + { + int keyc = 0; + for (u = 0; u <= last_key; u++) + if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) + keyc++; + + if (keyc > 1) + { + // loop again and mark those keys and actions as combo + for (u = 0; u <= last_key; u++) + { + if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) { + *combo_keys |= 1 << u; + *combo_acts |= 1 << act; + } + } + } + } +} + +int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts) +{ + int i, ret = 0; + + for (i = 0; i <= last_key; i++) + { + int acts, acts_c, u; + + if (!(keys & (1 << i))) + continue; + + acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)]; + if (!acts) + continue; + + if (!(combo_keys & (1 << i))) { + ret |= acts; + continue; + } + + acts_c = acts & combo_acts; + u = last_key; + if (acts_c) { + // let's try to find the other one + for (u = i + 1; u <= last_key; u++) + if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) { + ret |= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)]; + keys &= ~((1 << i) | (1 << u)); + break; + } + } + // add non-combo actions if combo ones were not found + if (u >= last_key) + ret |= acts & ~combo_acts; + } + + return ret; } void in_probe(void) { int i; + + in_have_async_devs = 0; for (i = 0; i < in_dev_count; i++) in_devices[i].probed = 0; -#ifdef IN_EVDEV - in_evdev_probe(); -#endif + for (i = 1; i < IN_DRVID_COUNT; i++) + in_drivers[i].probe(); /* get rid of devs without binds and probes */ for (i = 0; i < in_dev_count; i++) { @@ -141,53 +218,627 @@ void in_probe(void) memmove(&in_devices[i], &in_devices[i+1], (in_dev_count - i) * sizeof(in_devices[0])); } + + continue; } + + if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1) + in_have_async_devs = 1; } + + if (in_have_async_devs) + printf("input: async-only devices detected..\n"); } -void in_clear_binds(const char *devname) +/* async update */ +int in_update(int *result) { -/* int count; + int i, ret = 0; - count = in_bind_count(drv_id); - if (count <= 0) { - printf("input: failed to get bind count for drv %d\n", dev->drv_id); - return NULL; + for (i = 0; i < in_dev_count; i++) { + in_dev_t *dev = &in_devices[i]; + if (dev->probed && dev->binds != NULL) { + // FIXME: this is stupid, make it indirect + switch (dev->drv_id) { +#ifdef IN_EVDEV + case IN_DRVID_EVDEV: + ret |= in_evdev_update(dev->drv_data, dev->binds, result); + break; +#endif +#ifdef IN_GP2X + case IN_DRVID_GP2X: + ret |= in_gp2x_update(dev->drv_data, dev->binds, result); + break; +#endif + case IN_DRVID_VK: + ret |= in_vk_update(dev->drv_data, dev->binds, result); + break; + } + } + } + + return ret; +} + +void in_set_blocking(int is_blocking) +{ + int i, ret; + + /* have_async_devs means we will have to do all reads async anyway.. */ + if (!in_have_async_devs) { + for (i = 0; i < in_dev_count; i++) { + if (in_devices[i].probed) + DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking); + } + } + + menu_key_state = 0; + + /* flush events */ + do { + ret = in_update_keycode(NULL, NULL, 0); + } while (ret >= 0); +} + +static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms) +{ + int i, is_down, result; + unsigned int ticks; + + ticks = plat_get_ticks_ms(); + + while (1) + { + for (i = 0; i < in_dev_count; i++) { + in_dev_t *d = &in_devices[i]; + if (!d->probed) + continue; + + result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down); + if (result == -1) + continue; + + if (dev_id_out) + *dev_id_out = i; + if (is_down_out) + *is_down_out = is_down; + return result; + } + + if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms) + break; + + plat_sleep_ms(10); } -*/ + + return -1; } -int in_update(void) +/* + * wait for a press, always return some keycode or -1 on timeout or error + */ +int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms) { - int i, result = 0; + int result = -1, dev_id = 0, is_down, result_menu; + int fds_hnds[IN_MAX_DEVS]; + int i, ret, count = 0; + in_drv_t *drv = NULL; + unsigned int ticks; + + if (in_have_async_devs) { + result = in_update_kc_async(&dev_id, &is_down, timeout_ms); + if (result == -1) + return -1; + drv = &DRV(in_devices[dev_id].drv_id); + goto finish; + } + + ticks = plat_get_ticks_ms(); for (i = 0; i < in_dev_count; i++) { - if (in_devices[i].probed && in_devices[i].binds != NULL) { -#ifdef IN_EVDEV - result |= in_evdev_update(in_devices[i].drv_data, in_devices[i].binds); -#endif + if (in_devices[i].probed) + fds_hnds[count++] = in_devices[i].drv_fd_hnd; + } + + if (count == 0) { + /* don't deadlock, fail */ + printf("input: failed to find devices to read\n"); + exit(1); + } + + while (1) + { + ret = plat_wait_event(fds_hnds, count, timeout_ms); + if (ret < 0) + break; + + for (i = 0; i < in_dev_count; i++) { + if (in_devices[i].drv_fd_hnd == ret) { + dev_id = i; + break; + } } + + drv = &DRV(in_devices[dev_id].drv_id); + result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down); + + /* update_keycode() might return -1 when some not interesting + * event happened, like sync event for evdev. */ + if (result >= 0) + break; + + if (timeout_ms >= 0) { + unsigned int ticks2 = plat_get_ticks_ms(); + timeout_ms -= ticks2 - ticks; + ticks = ticks2; + if (timeout_ms <= 0) + break; + } + } + + if (result == -1) + return -1; +finish: + /* keep track of menu key state, to allow mixing + * in_update_keycode() and in_menu_wait_any() calls */ + result_menu = drv->menu_translate(result); + if (result_menu != 0) { + if (is_down) + menu_key_state |= result_menu; + else + menu_key_state &= ~result_menu; } + if (dev_id_out != NULL) + *dev_id_out = dev_id; + if (is_down_out != NULL) + *is_down_out = is_down; return result; } +/* same as above, only return bitfield of PBTN_* */ +int in_menu_wait_any(int timeout_ms) +{ + int keys_old = menu_key_state; + + while (1) + { + int code, is_down = 0, dev_id = 0; + + code = in_update_keycode(&dev_id, &is_down, timeout_ms); + if (code >= 0) + code = DRV(in_devices[dev_id].drv_id).menu_translate(code); + + if (timeout_ms >= 0) + break; + if (code < 0) + continue; + menu_last_used_dev = dev_id; + if (keys_old != menu_key_state) + break; + } + + return menu_key_state; +} + +/* wait for menu input, do autorepeat */ +int in_menu_wait(int interesting, int autorep_delay_ms) +{ + static int inp_prev = 0; + static int repeats = 0; + int ret, release = 0, wait = 450; + + if (repeats) + wait = autorep_delay_ms; + + ret = in_menu_wait_any(wait); + if (ret == inp_prev) + repeats++; + + while (!(ret & interesting)) { + ret = in_menu_wait_any(-1); + release = 1; + } + + if (release || ret != inp_prev) + repeats = 0; + + inp_prev = ret; + + /* we don't need diagonals in menus */ + if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT; + if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT; + if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT; + if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT; + + return ret; +} + +const int *in_get_dev_binds(int dev_id) +{ + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return NULL; + + return in_devices[dev_id].binds; +} + +const int *in_get_dev_def_binds(int dev_id) +{ + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return NULL; + + return in_devices[dev_id].binds + in_devices[dev_id].key_count * IN_BINDTYPE_COUNT; +} + +int in_get_dev_info(int dev_id, int what) +{ + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return 0; + + switch (what) { + case IN_INFO_BIND_COUNT: + return in_devices[dev_id].key_count; + case IN_INFO_DOES_COMBOS: + return in_devices[dev_id].does_combos; + } + + return 0; +} + +const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix) +{ + const char *name, *tmp; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return NULL; + + if (must_be_active && !in_devices[dev_id].probed) + return NULL; + + name = in_devices[dev_id].name; + if (name == NULL || !skip_pfix) + return name; + + /* skip prefix */ + tmp = strchr(name, ':'); + if (tmp != NULL) + name = tmp + 1; + + return name; +} + +/* never returns NULL */ +const char *in_get_key_name(int dev_id, int keycode) +{ + static char xname[16]; + const char *name; + + if (dev_id < 0) /* want last used dev? */ + dev_id = menu_last_used_dev; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS) + return "Unkn0"; + + if (keycode < 0) /* want name for menu key? */ + keycode = DRV(in_devices[dev_id].drv_id).menu_translate(keycode); + + name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode); + if (name != NULL) + return name; + + /* assume scancode */ + if ((keycode >= '0' && keycode <= '9') || (keycode >= 'a' && keycode <= 'z') + || (keycode >= 'A' && keycode <= 'Z')) + sprintf(xname, "%c", keycode); + else + sprintf(xname, "\\x%02X", keycode); + return xname; +} + +int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind) +{ + int ret, count; + in_dev_t *dev; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT) + return -1; + + dev = &in_devices[dev_id]; + count = dev->key_count; + + if (dev->binds == NULL) { + if (force_unbind) + return 0; + dev->binds = in_alloc_binds(dev->drv_id, count); + if (dev->binds == NULL) + return -1; + } + + if (keycode < 0 || keycode >= count) + return -1; + + if (force_unbind) + dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask; + else + dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask; + + ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds, + dev->binds + count * IN_BINDTYPE_COUNT); + if (ret == 0) { + free(dev->binds); + dev->binds = NULL; + } + + return 0; +} + +void in_unbind_all(int dev_id, int act_mask, int bind_type) +{ + int i, count; + in_dev_t *dev; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT) + return; + + dev = &in_devices[dev_id]; + count = dev->key_count; + + if (dev->binds == NULL) + return; + + for (i = 0; i < count; i++) + dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask; +} + +/* returns device id, or -1 on error */ +int in_config_parse_dev(const char *name) +{ + int drv_id = -1, i; + + for (i = 0; i < IN_DRVID_COUNT; i++) { + int len = strlen(in_drivers[i].prefix); + if (strncmp(name, in_drivers[i].prefix, len) == 0) { + drv_id = i; + break; + } + } + + if (drv_id < 0) { + printf("input: missing driver for %s\n", name); + return -1; + } + + for (i = 0; i < in_dev_count; i++) + { + if (in_devices[i].name == NULL) + continue; + if (strcmp(in_devices[i].name, name) == 0) + return i; + } + + if (i >= IN_MAX_DEVS) + { + /* try to find unused device */ + for (i = 0; i < IN_MAX_DEVS; i++) + if (in_devices[i].name == NULL) break; + if (i >= IN_MAX_DEVS) { + printf("input: too many devices, can't add %s\n", name); + return -1; + } + } + + memset(&in_devices[i], 0, sizeof(in_devices[i])); + + in_devices[i].name = strdup(name); + if (in_devices[i].name == NULL) + return -1; + + in_devices[i].key_count = DRV(drv_id).get_bind_count(); + in_devices[i].drv_id = drv_id; + + if (i + 1 > in_dev_count) + in_dev_count = i + 1; + + return i; +} + +/* + * To reduce size of game specific configs, default binds are not saved. + * So we mark default binds in in_config_start(), override them in in_config_bind_key(), + * and restore whatever default binds are left in in_config_end(). + */ +void in_config_start(void) +{ + int i; + + /* mark all default binds, so they get overwritten by func below */ + for (i = 0; i < IN_MAX_DEVS; i++) { + int n, count, *binds, *def_binds; + + binds = in_devices[i].binds; + if (binds == NULL) + continue; + + count = in_devices[i].key_count; + def_binds = binds + count * IN_BINDTYPE_COUNT; + + for (n = 0; n < count * IN_BINDTYPE_COUNT; n++) + if (binds[n] == def_binds[n]) + binds[n] = -1; + } +} + +int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type) +{ + in_dev_t *dev; + int i, offs, kc; + + if (dev_id < 0 || dev_id >= IN_MAX_DEVS || bind_type >= IN_BINDTYPE_COUNT) + return -1; + dev = &in_devices[dev_id]; + + /* maybe a raw code? */ + if (key[0] == '\\' && key[1] == 'x') { + char *p = NULL; + kc = (int)strtoul(key + 2, &p, 16); + if (p == NULL || *p != 0) + kc = -1; + } + else { + /* device specific key name */ + if (dev->binds == NULL) { + dev->binds = in_alloc_binds(dev->drv_id, dev->key_count); + if (dev->binds == NULL) + return -1; + in_config_start(); + } + + kc = DRV(dev->drv_id).get_key_code(key); + if (kc < 0 && strlen(key) == 1) { + /* assume scancode */ + kc = key[0]; + } + } + + if (kc < 0 || kc >= dev->key_count) { + printf("input: bad key: %s\n", key); + return -1; + } + + if (bind_type == IN_BINDTYPE_NONE) { + for (i = 0; i < IN_BINDTYPE_COUNT; i++) + dev->binds[IN_BIND_OFFS(kc, i)] = 0; + return 0; + } + + offs = IN_BIND_OFFS(kc, bind_type); + if (dev->binds[offs] == -1) + dev->binds[offs] = 0; + dev->binds[offs] |= acts; + return 0; +} + +void in_config_end(void) +{ + int i; + + for (i = 0; i < IN_MAX_DEVS; i++) { + int n, t, ret, count, *binds, *def_binds; + in_dev_t *dev = &in_devices[i]; + + if (dev->binds == NULL) + continue; + + count = dev->key_count; + binds = dev->binds; + def_binds = binds + count * IN_BINDTYPE_COUNT; + + for (n = 0; n < count; n++) { + int is_default = 1; + for (t = 0; t < IN_BINDTYPE_COUNT; t++) + if (binds[IN_BIND_OFFS(n, t)] == -1) + binds[IN_BIND_OFFS(n, t)] = 0; + else + is_default = 0; + + if (is_default) + for (t = 0; t < IN_BINDTYPE_COUNT; t++) + binds[IN_BIND_OFFS(n, t)] = def_binds[IN_BIND_OFFS(n, t)]; + } + + if (dev->drv_data == NULL) + continue; + + ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds); + if (ret == 0) { + /* no useable binds */ + free(dev->binds); + dev->binds = NULL; + } + } +} + +void in_debug_dump(void) +{ + int i; + + printf("# drv probed binds name\n"); + for (i = 0; i < IN_MAX_DEVS; i++) { + in_dev_t *d = &in_devices[i]; + if (!d->probed && d->name == NULL && d->binds == NULL) + continue; + printf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n', + d->binds ? 'y' : 'n', d->name); + } +} + +/* handlers for unknown/not_preset drivers */ + +static void in_def_probe(void) {} +static void in_def_free(void *drv_data) {} +static int in_def_get_bind_count(void) { return 0; } +static void in_def_get_def_binds(int *binds) {} +static int in_def_clean_binds(void *drv_data, int *b, int *db) { return 0; } +static void in_def_set_blocking(void *data, int y) {} +static int in_def_update_keycode(void *drv_data, int *is_down) { return 0; } +static int in_def_menu_translate(int keycode) { return keycode; } +static int in_def_get_key_code(const char *key_name) { return 0; } +static const char *in_def_get_key_name(int keycode) { return NULL; } + void in_init(void) { + int i; + + memset(in_drivers, 0, sizeof(in_drivers)); memset(in_devices, 0, sizeof(in_devices)); in_dev_count = 0; + + for (i = 0; i < IN_DRVID_COUNT; i++) { + in_drivers[i].prefix = "none:"; + in_drivers[i].probe = in_def_probe; + in_drivers[i].free = in_def_free; + in_drivers[i].get_bind_count = in_def_get_bind_count; + in_drivers[i].get_def_binds = in_def_get_def_binds; + in_drivers[i].clean_binds = in_def_clean_binds; + in_drivers[i].set_blocking = in_def_set_blocking; + in_drivers[i].update_keycode = in_def_update_keycode; + in_drivers[i].menu_translate = in_def_menu_translate; + in_drivers[i].get_key_code = in_def_get_key_code; + in_drivers[i].get_key_name = in_def_get_key_name; + } + +#ifdef IN_GP2X + in_gp2x_init(&in_drivers[IN_DRVID_GP2X]); +#endif +#ifdef IN_EVDEV + in_evdev_init(&in_drivers[IN_DRVID_EVDEV]); +#endif + in_vk_init(&in_drivers[IN_DRVID_VK]); } +#if 0 int main(void) { + int ret; + in_init(); in_probe(); + in_set_blocking(1); + +#if 1 + while (1) { + int dev = 0, down; + ret = in_update_keycode(&dev, &down); + printf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret)); + } +#else while (1) { - in_update(); - sleep(1); + ret = in_menu_wait_any(); + printf("%08x\n", ret); } +#endif return 0; } - +#endif