#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;
} in_dev_t;
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 = DRV(drv_id).get_bind_count();
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, ret, dupe_count = 0, *binds;
char name[256], *name_end, *tmp;
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) {
void in_probe(void)
{
int i;
+
+ in_have_async_devs = 0;
for (i = 0; i < in_dev_count; i++)
in_devices[i].probed = 0;
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");
}
+/* 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)
- DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
+ 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, dev_id = 0;
- code = in_update_keycode(&dev_id, &is_down);
- code = DRV(in_devices[dev_id].drv_id).menu_translate(code);
- if (code == 0) continue;
- 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 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;
}
- return keys_active;
+ 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)
return in_bind_count(in_devices[dev_id].drv_id);
}
-const char *in_get_dev_name(int dev_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;
- return in_devices[dev_id].name;
+ 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";
- return DRV(in_devices[dev_id].drv_id).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 */
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;
for (i = 0; i < IN_MAX_DEVS; i++) {
int n, count, *binds, *def_binds;
- if (in_devices[i].binds == NULL)
+ binds = in_devices[i].binds;
+ if (binds == NULL)
continue;
count = in_bind_count(in_devices[i].drv_id);
- binds = in_devices[i].binds;
def_binds = binds + count;
for (n = 0; n < count; n++)
int in_config_bind_key(int dev_id, const char *key, int binds)
{
- int kc;
+ int count, kc;
+ in_dev_t *dev;
if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
return -1;
+ dev = &in_devices[dev_id];
- if (in_devices[dev_id].binds == NULL) {
- in_devices[dev_id].binds = in_alloc_binds(in_devices[dev_id].drv_id);
- if (in_devices[dev_id].binds == NULL)
- return -1;
- in_config_start();
+ 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(in_devices[dev_id].drv_id).get_key_code(key);
- if (kc < 0) {
+ 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 (in_devices[dev_id].binds[kc] == -1)
- in_devices[dev_id].binds[kc] = 0;
- in_devices[dev_id].binds[kc] |= binds;
+ if (dev->binds[kc] == -1)
+ dev->binds[kc] = 0;
+ dev->binds[kc] |= binds;
return 0;
}
for (i = 0; i < IN_MAX_DEVS; i++) {
int n, ret, count, *binds, *def_binds;
+ in_dev_t *dev = &in_devices[i];
- if (in_devices[i].binds == NULL)
+ if (dev->binds == NULL)
continue;
- count = in_bind_count(in_devices[i].drv_id);
- binds = in_devices[i].binds;
+ 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 (in_devices[i].drv_data == NULL)
+ if (dev->drv_data == NULL)
continue;
- ret = DRV(in_devices[i].drv_id).clean_binds(in_devices[i].drv_data, binds);
+ ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds);
if (ret == 0) {
/* no useable binds */
- free(binds);
- in_devices[i].binds = NULL;
+ free(dev->binds);
+ dev->binds = NULL;
}
}
}
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; }
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
}
#else
while (1) {
- ret = in_update_menu();
+ ret = in_menu_wait_any();
printf("%08x\n", ret);
}
#endif