#include <stdlib.h>
#include <string.h>
+#include "common.h"
#include "input.h"
+#include "plat.h"
#include "../linux/in_evdev.h"
+#include "../gp2x/in_gp2x.h"
typedef struct
{
int drv_id;
+ int drv_fd_hnd;
void *drv_data;
- int *binds;
char *name;
+ int *binds;
int probed:1;
- int ignore: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;
+
+#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
+
static int in_bind_count(int drv_id)
{
- int count = 0;
- switch (drv_id) {
- case IN_DRVID_EVDEV:
- count = in_evdev_bind_count();
- break;
- }
+ int count = DRV(drv_id).get_bind_count();
if (count <= 0)
printf("input: failed to get bind count for drv %d\n", drv_id);
static int *in_alloc_binds(int drv_id)
{
- int count, *ret;
+ int count, *binds;
count = in_bind_count(drv_id);
- if (count <= 0) {
- printf("input: failed to get bind count for drv %d\n", drv_id);
+ if (count <= 0)
return NULL;
- }
- ret = malloc(count * sizeof(*ret));
- return ret;
+ binds = calloc(count * 2, sizeof(binds[0]));
+ if (binds == NULL)
+ return NULL;
+
+ DRV(drv_id).get_def_binds(binds + count);
+ memcpy(binds, binds + count, count * sizeof(binds[0]));
+
+ return binds;
}
static void in_free(in_dev_t *dev)
{
- if (dev->probed) {
- switch (dev->drv_id) {
- case IN_DRVID_EVDEV:
- in_evdev_free(dev->drv_data);
- break;
- }
- }
+ if (dev->probed)
+ DRV(dev->drv_id).free(dev->drv_data);
dev->probed = 0;
dev->drv_data = NULL;
free(dev->name);
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 i, dupe_count = 0, *binds;
+ int i, ret, dupe_count = 0, *binds;
char name[256], *name_end, *tmp;
strncpy(name, nname, sizeof(name));
update:
in_devices[i].probed = 1;
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);
+ if (ret == 0) {
+ /* no useable binds */
+ free(in_devices[i].binds);
+ in_devices[i].binds = NULL;
+ }
+ }
}
void in_probe(void)
{
int i;
+
+ in_have_async_devs = 0;
for (i = 0; i < in_dev_count; i++)
in_devices[i].probed = 0;
- in_evdev_probe();
+ 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++) {
memmove(&in_devices[i], &in_devices[i+1],
(in_dev_count - i) * sizeof(in_devices[0]));
}
- }
- }
-}
-void in_clear_binds(const char *devname)
-{
-/* int count;
+ continue;
+ }
- 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;
+ 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");
}
+/* async update */
int in_update(void)
{
int i, result = 0;
for (i = 0; i < in_dev_count; i++) {
- if (in_devices[i].probed && in_devices[i].binds != NULL) {
- switch (in_devices[i].drv_id) {
+ in_dev_t *dev = &in_devices[i];
+ if (dev->probed && dev->binds != NULL) {
+ switch (dev->drv_id) {
+#ifdef IN_EVDEV
case IN_DRVID_EVDEV:
- result |= in_evdev_update(in_devices[i].drv_data, in_devices[i].binds);
+ result |= in_evdev_update(dev->drv_data, dev->binds);
+ break;
+#endif
+#ifdef IN_GP2X
+ case IN_DRVID_GP2X:
+ result |= in_gp2x_update(dev->drv_data, dev->binds);
break;
+#endif
}
}
}
return result;
}
-static void **in_collect_drvdata(int drv_id, int *count)
+static int menu_key_state = 0;
+
+void in_set_blocking(int is_blocking)
{
- static void *data[IN_MAX_DEVS];
- int i;
+ int i, ret;
- for (*count = i = 0; i < in_dev_count; i++) {
- if (in_devices[i].drv_id == drv_id && in_devices[i].probed)
- data[(*count)++] = in_devices[i].drv_data;
+ /* 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);
+ }
}
- return data;
+ menu_key_state = 0;
+
+ /* flush events */
+ do {
+ ret = in_update_keycode(NULL, NULL, 0);
+ } while (ret >= 0);
}
-void in_set_blocking(int is_blocking)
+static int in_update_kc_async(int *dev_id_out, int *is_down_out, int timeout_ms)
{
- int i;
+ int i, is_down, result;
+ unsigned int ticks;
- for (i = 0; i < in_dev_count; i++) {
- if (in_devices[i].probed) {
- switch (in_devices[i].drv_id) {
- case IN_DRVID_EVDEV:
- in_evdev_set_blocking(in_devices[i].drv_data, is_blocking);
- break;
- }
+ 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;
}
/*
- * update with wait for a press, return keycode
- * only can use 1 drv here..
+ * wait for a press, always return some keycode or -1 on timeout or error
*/
-int in_update_keycode(int *dev_id, int *is_down)
+int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
{
- int result = 0;
-#ifdef IN_EVDEV
- void **data;
- int i, id = 0, count = 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)
+ fds_hnds[count++] = in_devices[i].drv_fd_hnd;
+ }
- data = in_collect_drvdata(IN_DRVID_EVDEV, &count);
if (count == 0) {
/* don't deadlock, fail */
printf("input: failed to find devices to read\n");
exit(1);
}
- result = in_evdev_update_keycode(data, count, &id, is_down);
+ while (1)
+ {
+ ret = plat_wait_event(fds_hnds, count, timeout_ms);
+ if (ret < 0)
+ break;
- if (dev_id != NULL) {
- for (i = id; i < in_dev_count; i++) {
- if (in_devices[i].drv_data == data[id]) {
- *dev_id = i;
+ 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;
+ }
}
-#else
-#error no menu read handlers
-#endif
+ 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 BTN_*
- */
-int in_update_menu(void)
+/* same as above, only return bitfield of PBTN_* */
+int in_menu_wait_any(int timeout_ms)
{
- static int keys_active = 0;
- int keys_old = keys_active;
+ int keys_old = menu_key_state;
while (1)
{
- int code, is_down = 0;
- code = in_update_keycode(NULL, &is_down);
-#ifdef IN_EVDEV
- code = in_evdev_menu_translate(code);
-#endif
- if (code == 0) continue;
+ int code, is_down = 0, dev_id = 0;
- if (is_down)
- keys_active |= code;
- else
- keys_active &= ~code;
+ 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 (keys_old != keys_active)
+ if (timeout_ms >= 0)
+ break;
+ if (code < 0)
+ continue;
+ if (keys_old != menu_key_state)
break;
}
- return keys_active;
+ 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 = 666;
+
+ 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)
+{
+ int count;
+
+ if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+ return NULL;
+
+ count = in_bind_count(in_devices[dev_id].drv_id);
+ return in_devices[dev_id].binds + count;
+}
+
+int in_get_dev_bind_count(int dev_id)
+{
+ if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+ return 0;
+
+ return in_bind_count(in_devices[dev_id].drv_id);
}
+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 || dev_id >= IN_MAX_DEVS)
return "Unkn0";
- switch (in_devices[dev_id].drv_id) {
- case IN_DRVID_EVDEV:
- return in_evdev_get_key_name(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 force_unbind)
+{
+ int ret, count;
+ in_dev_t *dev;
+
+ if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+ return -1;
+ dev = &in_devices[dev_id];
+
+ if (dev->binds == NULL) {
+ if (force_unbind)
+ return 0;
+ dev->binds = in_alloc_binds(dev->drv_id);
+ if (dev->binds == NULL)
+ return -1;
+ }
+
+ count = in_bind_count(dev->drv_id);
+ if (keycode < 0 || keycode >= count)
+ return -1;
+
+ if (force_unbind)
+ dev->binds[keycode] &= ~mask;
+ else
+ dev->binds[keycode] ^= mask;
+
+ ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds);
+ if (ret == 0) {
+ free(dev->binds);
+ dev->binds = NULL;
+ }
+
+ return 0;
+}
+
+/* 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;
+
+ if (i + 1 > in_dev_count)
+ in_dev_count = i + 1;
+ in_devices[i].drv_id = drv_id;
+
+ 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_bind_count(in_devices[i].drv_id);
+ def_binds = binds + count;
+
+ for (n = 0; n < count; n++)
+ if (binds[n] == def_binds[n])
+ binds[n] = -1;
}
+}
+
+int in_config_bind_key(int dev_id, const char *key, int binds)
+{
+ int count, kc;
+ in_dev_t *dev;
- return "Unkn1";
+ if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
+ return -1;
+ dev = &in_devices[dev_id];
+
+ count = in_bind_count(dev->drv_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);
+ 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 >= count) {
+ printf("input: bad key: %s\n", key);
+ return -1;
+ }
+
+ if (dev->binds[kc] == -1)
+ dev->binds[kc] = 0;
+ dev->binds[kc] |= binds;
+
+ return 0;
}
+void in_config_end(void)
+{
+ int i;
+
+ for (i = 0; i < IN_MAX_DEVS; i++) {
+ int n, ret, count, *binds, *def_binds;
+ in_dev_t *dev = &in_devices[i];
+
+ if (dev->binds == NULL)
+ continue;
+
+ count = in_bind_count(dev->drv_id);
+ binds = dev->binds;
+ def_binds = binds + count;
+
+ for (n = 0; n < count; n++)
+ if (binds[n] == -1)
+ binds[n] = def_binds[n];
+
+ if (dev->drv_data == NULL)
+ continue;
+
+ ret = DRV(dev->drv_id).clean_binds(dev->drv_data, 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 *binds) { 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
}
+#if 0
int main(void)
{
int ret;
}
#else
while (1) {
- ret = in_update_menu();
+ ret = in_menu_wait_any();
printf("%08x\n", ret);
}
#endif
return 0;
}
-
+#endif