[picodrive.git] / platform / common / input.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "input.h"
#include "plat.h"
#include "lprintf.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;
	char *name;
	int key_count;
	int *binds;	/* total = key_count * bindtypes * 2 */
	int probed:1;
	int does_combos: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;
static int menu_key_state = 0;
static int menu_last_used_dev = 0;

#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]


static int *in_alloc_binds(int drv_id, int key_count)
{
	int *binds;

	binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
	if (binds == NULL)
		return NULL;

	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)
		DRV(dev->drv_id).free(dev->drv_data);
	dev->probed = 0;
	dev->drv_data = NULL;
	free(dev->name);
	dev->name = NULL;
	free(dev->binds);
	dev->binds = NULL;
}

/* 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, ret, dupe_count = 0, *binds;
	char name[256], *name_end, *tmp;

	strncpy(name, nname, sizeof(name));
	name[sizeof(name)-12] = 0;
	name_end = name + strlen(name);

	for (i = 0; i < in_dev_count; i++)
	{
		if (in_devices[i].name == NULL)
			continue;
		if (strcmp(in_devices[i].name, name) == 0)
		{
			if (in_devices[i].probed) {
				dupe_count++;
				sprintf(name_end, " [%d]", dupe_count);
				continue;
			}
			goto update;
		}
	}

	if (i >= IN_MAX_DEVS)
	{
		/* try to find unused device */
		for (i = 0; i < IN_MAX_DEVS; i++)
			if (!in_devices[i].probed) break;
		if (i >= IN_MAX_DEVS) {
			lprintf("input: too many devices, can't add %s\n", name);
			return;
		}
		in_free(&in_devices[i]);
	}

	tmp = strdup(name);
	if (tmp == NULL)
		return;

	binds = in_alloc_binds(drv_id, key_count);
	if (binds == NULL) {
		free(tmp);
		return;
	}

	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;

	lprintf("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;

	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++) {
		if (!in_devices[i].probed && in_devices[i].binds == NULL) {
			in_dev_count--;
			if (i < in_dev_count) {
				free(in_devices[i].name);
				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)
		lprintf("input: async-only devices detected..\n");
}

/* async update */
int in_update(int *result)
{
	int i, ret = 0;

	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;
}

/* 
 * 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 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;
	}

	if (count == 0) {
		/* don't deadlock, fail */
		lprintf("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) {
		lprintf("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) {
			lprintf("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) {
		lprintf("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;

	lprintf("# 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;
		lprintf("%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);
		lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
	}
#else
	while (1) {
		ret = in_menu_wait_any();
		lprintf("%08x\n", ret);
	}
#endif

	return 0;
}
#endif
Commit	Line	Data
	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <string.h>
	4
	5	#include "input.h"
	6	#include "plat.h"
	7	#include "lprintf.h"
	8	#include "../linux/in_evdev.h"
	9	#include "../gp2x/in_gp2x.h"
	10	#include "../win32/in_vk.h"
	11
	12	typedef struct
	13	{
	14	int drv_id;
	15	int drv_fd_hnd;
	16	void *drv_data;
	17	char *name;
	18	int key_count;
	19	int binds; / total = key_count * bindtypes * 2 */
	20	int probed:1;
	21	int does_combos:1;
	22	} in_dev_t;
	23
	24	static in_drv_t in_drivers[IN_DRVID_COUNT];
	25	static in_dev_t in_devices[IN_MAX_DEVS];
	26	static int in_dev_count = 0;
	27	static int in_have_async_devs = 0;
	28	static int menu_key_state = 0;
	29	static int menu_last_used_dev = 0;
	30
	31	#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
	32
	33
	34	static int *in_alloc_binds(int drv_id, int key_count)
	35	{
	36	int *binds;
	37
	38	binds = calloc(key_count * IN_BINDTYPE_COUNT * 2, sizeof(binds[0]));
	39	if (binds == NULL)
	40	return NULL;
	41
	42	DRV(drv_id).get_def_binds(binds + key_count * IN_BINDTYPE_COUNT);
	43	memcpy(binds, binds + key_count * IN_BINDTYPE_COUNT,
	44	sizeof(binds[0]) * key_count * IN_BINDTYPE_COUNT);
	45
	46	return binds;
	47	}
	48
	49	static void in_free(in_dev_t *dev)
	50	{
	51	if (dev->probed)
	52	DRV(dev->drv_id).free(dev->drv_data);
	53	dev->probed = 0;
	54	dev->drv_data = NULL;
	55	free(dev->name);
	56	dev->name = NULL;
	57	free(dev->binds);
	58	dev->binds = NULL;
	59	}
	60
	61	/* to be called by drivers
	62	* async devices must set drv_fd_hnd to -1 */
	63	void in_register(const char nname, int drv_id, int drv_fd_hnd, void drv_data,
	64	int key_count, int combos)
	65	{
	66	int i, ret, dupe_count = 0, *binds;
	67	char name[256], name_end, tmp;
	68
	69	strncpy(name, nname, sizeof(name));
	70	name[sizeof(name)-12] = 0;
	71	name_end = name + strlen(name);
	72
	73	for (i = 0; i < in_dev_count; i++)
	74	{
	75	if (in_devices[i].name == NULL)
	76	continue;
	77	if (strcmp(in_devices[i].name, name) == 0)
	78	{
	79	if (in_devices[i].probed) {
	80	dupe_count++;
	81	sprintf(name_end, " [%d]", dupe_count);
	82	continue;
	83	}
	84	goto update;
	85	}
	86	}
	87
	88	if (i >= IN_MAX_DEVS)
	89	{
	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	lprintf("input: too many devices, can't add %s\n", name);
	95	return;
	96	}
	97	in_free(&in_devices[i]);
	98	}
	99
	100	tmp = strdup(name);
	101	if (tmp == NULL)
	102	return;
	103
	104	binds = in_alloc_binds(drv_id, key_count);
	105	if (binds == NULL) {
	106	free(tmp);
	107	return;
	108	}
	109
	110	in_devices[i].name = tmp;
	111	in_devices[i].binds = binds;
	112	in_devices[i].key_count = key_count;
	113	if (i + 1 > in_dev_count)
	114	in_dev_count = i + 1;
	115
	116	lprintf("input: new device #%d \"%s\"\n", i, name);
	117	update:
	118	in_devices[i].probed = 1;
	119	in_devices[i].does_combos = combos;
	120	in_devices[i].drv_id = drv_id;
	121	in_devices[i].drv_fd_hnd = drv_fd_hnd;
	122	in_devices[i].drv_data = drv_data;
	123
	124	if (in_devices[i].binds != NULL) {
	125	ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds,
	126	in_devices[i].binds + key_count * IN_BINDTYPE_COUNT);
	127	if (ret == 0) {
	128	/* no useable binds */
	129	free(in_devices[i].binds);
	130	in_devices[i].binds = NULL;
	131	}
	132	}
	133	}
	134
	135	/* key combo handling, to be called by drivers that support it.
	136	* Only care about IN_BINDTYPE_EMU */
	137	void in_combos_find(const int binds, int last_key, int combo_keys, int *combo_acts)
	138	{
	139	int act, u;
	140
	141	combo_keys = combo_acts = 0;
	142	for (act = 0; act < sizeof(binds[0]) * 8; act++)
	143	{
	144	int keyc = 0;
	145	for (u = 0; u <= last_key; u++)
	146	if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act))
	147	keyc++;
	148
	149	if (keyc > 1)
	150	{
	151	// loop again and mark those keys and actions as combo
	152	for (u = 0; u <= last_key; u++)
	153	{
	154	if (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & (1 << act)) {
	155	*combo_keys \|= 1 << u;
	156	*combo_acts \|= 1 << act;
	157	}
	158	}
	159	}
	160	}
	161	}
	162
	163	int in_combos_do(int keys, const int *binds, int last_key, int combo_keys, int combo_acts)
	164	{
	165	int i, ret = 0;
	166
	167	for (i = 0; i <= last_key; i++)
	168	{
	169	int acts, acts_c, u;
	170
	171	if (!(keys & (1 << i)))
	172	continue;
	173
	174	acts = binds[IN_BIND_OFFS(i, IN_BINDTYPE_EMU)];
	175	if (!acts)
	176	continue;
	177
	178	if (!(combo_keys & (1 << i))) {
	179	ret \|= acts;
	180	continue;
	181	}
	182
	183	acts_c = acts & combo_acts;
	184	u = last_key;
	185	if (acts_c) {
	186	// let's try to find the other one
	187	for (u = i + 1; u <= last_key; u++)
	188	if ( (keys & (1 << u)) && (binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)] & acts_c) ) {
	189	ret \|= acts_c & binds[IN_BIND_OFFS(u, IN_BINDTYPE_EMU)];
	190	keys &= ~((1 << i) \| (1 << u));
	191	break;
	192	}
	193	}
	194	// add non-combo actions if combo ones were not found
	195	if (u >= last_key)
	196	ret \|= acts & ~combo_acts;
	197	}
	198
	199	return ret;
	200	}
	201
	202	void in_probe(void)
	203	{
	204	int i;
	205
	206	in_have_async_devs = 0;
	207	for (i = 0; i < in_dev_count; i++)
	208	in_devices[i].probed = 0;
	209
	210	for (i = 1; i < IN_DRVID_COUNT; i++)
	211	in_drivers[i].probe();
	212
	213	/* get rid of devs without binds and probes */
	214	for (i = 0; i < in_dev_count; i++) {
	215	if (!in_devices[i].probed && in_devices[i].binds == NULL) {
	216	in_dev_count--;
	217	if (i < in_dev_count) {
	218	free(in_devices[i].name);
	219	memmove(&in_devices[i], &in_devices[i+1],
	220	(in_dev_count - i) * sizeof(in_devices[0]));
	221	}
	222
	223	continue;
	224	}
	225
	226	if (in_devices[i].probed && in_devices[i].drv_fd_hnd == -1)
	227	in_have_async_devs = 1;
	228	}
	229
	230	if (in_have_async_devs)
	231	lprintf("input: async-only devices detected..\n");
	232	}
	233
	234	/* async update */
	235	int in_update(int *result)
	236	{
	237	int i, ret = 0;
	238
	239	for (i = 0; i < in_dev_count; i++) {
	240	in_dev_t *dev = &in_devices[i];
	241	if (dev->probed && dev->binds != NULL) {
	242	// FIXME: this is stupid, make it indirect
	243	switch (dev->drv_id) {
	244	#ifdef IN_EVDEV
	245	case IN_DRVID_EVDEV:
	246	ret \|= in_evdev_update(dev->drv_data, dev->binds, result);
	247	break;
	248	#endif
	249	#ifdef IN_GP2X
	250	case IN_DRVID_GP2X:
	251	ret \|= in_gp2x_update(dev->drv_data, dev->binds, result);
	252	break;
	253	#endif
	254	case IN_DRVID_VK:
	255	ret \|= in_vk_update(dev->drv_data, dev->binds, result);
	256	break;
	257	}
	258	}
	259	}
	260
	261	return ret;
	262	}
	263
	264	void in_set_blocking(int is_blocking)
	265	{
	266	int i, ret;
	267
	268	/* have_async_devs means we will have to do all reads async anyway.. */
	269	if (!in_have_async_devs) {
	270	for (i = 0; i < in_dev_count; i++) {
	271	if (in_devices[i].probed)
	272	DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
	273	}
	274	}
	275
	276	menu_key_state = 0;
	277
	278	/* flush events */
	279	do {
	280	ret = in_update_keycode(NULL, NULL, 0);
	281	} while (ret >= 0);
	282	}
	283
	284	static int in_update_kc_async(int dev_id_out, int is_down_out, int timeout_ms)
	285	{
	286	int i, is_down, result;
	287	unsigned int ticks;
	288
	289	ticks = plat_get_ticks_ms();
	290
	291	while (1)
	292	{
	293	for (i = 0; i < in_dev_count; i++) {
	294	in_dev_t *d = &in_devices[i];
	295	if (!d->probed)
	296	continue;
	297
	298	result = DRV(d->drv_id).update_keycode(d->drv_data, &is_down);
	299	if (result == -1)
	300	continue;
	301
	302	if (dev_id_out)
	303	*dev_id_out = i;
	304	if (is_down_out)
	305	*is_down_out = is_down;
	306	return result;
	307	}
	308
	309	if (timeout_ms >= 0 && (int)(plat_get_ticks_ms() - ticks) > timeout_ms)
	310	break;
	311
	312	plat_sleep_ms(10);
	313	}
	314
	315	return -1;
	316	}
	317
	318	/*
	319	* wait for a press, always return some keycode or -1 on timeout or error
	320	*/
	321	int in_update_keycode(int dev_id_out, int is_down_out, int timeout_ms)
	322	{
	323	int result = -1, dev_id = 0, is_down, result_menu;
	324	int fds_hnds[IN_MAX_DEVS];
	325	int i, ret, count = 0;
	326	in_drv_t *drv = NULL;
	327	unsigned int ticks;
	328
	329	if (in_have_async_devs) {
	330	result = in_update_kc_async(&dev_id, &is_down, timeout_ms);
	331	if (result == -1)
	332	return -1;
	333	drv = &DRV(in_devices[dev_id].drv_id);
	334	goto finish;
	335	}
	336
	337	ticks = plat_get_ticks_ms();
	338
	339	for (i = 0; i < in_dev_count; i++) {
	340	if (in_devices[i].probed)
	341	fds_hnds[count++] = in_devices[i].drv_fd_hnd;
	342	}
	343
	344	if (count == 0) {
	345	/* don't deadlock, fail */
	346	lprintf("input: failed to find devices to read\n");
	347	exit(1);
	348	}
	349
	350	while (1)
	351	{
	352	ret = plat_wait_event(fds_hnds, count, timeout_ms);
	353	if (ret < 0)
	354	break;
	355
	356	for (i = 0; i < in_dev_count; i++) {
	357	if (in_devices[i].drv_fd_hnd == ret) {
	358	dev_id = i;
	359	break;
	360	}
	361	}
	362
	363	drv = &DRV(in_devices[dev_id].drv_id);
	364	result = drv->update_keycode(in_devices[dev_id].drv_data, &is_down);
	365
	366	/* update_keycode() might return -1 when some not interesting
	367	* event happened, like sync event for evdev. */
	368	if (result >= 0)
	369	break;
	370
	371	if (timeout_ms >= 0) {
	372	unsigned int ticks2 = plat_get_ticks_ms();
	373	timeout_ms -= ticks2 - ticks;
	374	ticks = ticks2;
	375	if (timeout_ms <= 0)
	376	break;
	377	}
	378	}
	379
	380	if (result == -1)
	381	return -1;
	382	finish:
	383	/* keep track of menu key state, to allow mixing
	384	* in_update_keycode() and in_menu_wait_any() calls */
	385	result_menu = drv->menu_translate(result);
	386	if (result_menu != 0) {
	387	if (is_down)
	388	menu_key_state \|= result_menu;
	389	else
	390	menu_key_state &= ~result_menu;
	391	}
	392
	393	if (dev_id_out != NULL)
	394	*dev_id_out = dev_id;
	395	if (is_down_out != NULL)
	396	*is_down_out = is_down;
	397	return result;
	398	}
	399
	400	/* same as above, only return bitfield of PBTN_* */
	401	int in_menu_wait_any(int timeout_ms)
	402	{
	403	int keys_old = menu_key_state;
	404
	405	while (1)
	406	{
	407	int code, is_down = 0, dev_id = 0;
	408
	409	code = in_update_keycode(&dev_id, &is_down, timeout_ms);
	410	if (code >= 0)
	411	code = DRV(in_devices[dev_id].drv_id).menu_translate(code);
	412
	413	if (timeout_ms >= 0)
	414	break;
	415	if (code < 0)
	416	continue;
	417	menu_last_used_dev = dev_id;
	418	if (keys_old != menu_key_state)
	419	break;
	420	}
	421
	422	return menu_key_state;
	423	}
	424
	425	/* wait for menu input, do autorepeat */
	426	int in_menu_wait(int interesting, int autorep_delay_ms)
	427	{
	428	static int inp_prev = 0;
	429	static int repeats = 0;
	430	int ret, release = 0, wait = 450;
	431
	432	if (repeats)
	433	wait = autorep_delay_ms;
	434
	435	ret = in_menu_wait_any(wait);
	436	if (ret == inp_prev)
	437	repeats++;
	438
	439	while (!(ret & interesting)) {
	440	ret = in_menu_wait_any(-1);
	441	release = 1;
	442	}
	443
	444	if (release \|\| ret != inp_prev)
	445	repeats = 0;
	446
	447	inp_prev = ret;
	448
	449	/* we don't need diagonals in menus */
	450	if ((ret & PBTN_UP) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
	451	if ((ret & PBTN_UP) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
	452	if ((ret & PBTN_DOWN) && (ret & PBTN_LEFT)) ret &= ~PBTN_LEFT;
	453	if ((ret & PBTN_DOWN) && (ret & PBTN_RIGHT)) ret &= ~PBTN_RIGHT;
	454
	455	return ret;
	456	}
	457
	458	const int *in_get_dev_binds(int dev_id)
	459	{
	460	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	461	return NULL;
	462
	463	return in_devices[dev_id].binds;
	464	}
	465
	466	const int *in_get_dev_def_binds(int dev_id)
	467	{
	468	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	469	return NULL;
	470
	471	return in_devices[dev_id].binds + in_devices[dev_id].key_count * IN_BINDTYPE_COUNT;
	472	}
	473
	474	int in_get_dev_info(int dev_id, int what)
	475	{
	476	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	477	return 0;
	478
	479	switch (what) {
	480	case IN_INFO_BIND_COUNT:
	481	return in_devices[dev_id].key_count;
	482	case IN_INFO_DOES_COMBOS:
	483	return in_devices[dev_id].does_combos;
	484	}
	485
	486	return 0;
	487	}
	488
	489	const char *in_get_dev_name(int dev_id, int must_be_active, int skip_pfix)
	490	{
	491	const char name, tmp;
	492
	493	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	494	return NULL;
	495
	496	if (must_be_active && !in_devices[dev_id].probed)
	497	return NULL;
	498
	499	name = in_devices[dev_id].name;
	500	if (name == NULL \|\| !skip_pfix)
	501	return name;
	502
	503	/* skip prefix */
	504	tmp = strchr(name, ':');
	505	if (tmp != NULL)
	506	name = tmp + 1;
	507
	508	return name;
	509	}
	510
	511	/* never returns NULL */
	512	const char *in_get_key_name(int dev_id, int keycode)
	513	{
	514	static char xname[16];
	515	const char *name;
	516
	517	if (dev_id < 0) /* want last used dev? */
	518	dev_id = menu_last_used_dev;
	519
	520	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	521	return "Unkn0";
	522
	523	if (keycode < 0) /* want name for menu key? */
	524	keycode = DRV(in_devices[dev_id].drv_id).menu_translate(keycode);
	525
	526	name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode);
	527	if (name != NULL)
	528	return name;
	529
	530	/* assume scancode */
	531	if ((keycode >= '0' && keycode <= '9') \|\| (keycode >= 'a' && keycode <= 'z')
	532	\|\| (keycode >= 'A' && keycode <= 'Z'))
	533	sprintf(xname, "%c", keycode);
	534	else
	535	sprintf(xname, "\\x%02X", keycode);
	536	return xname;
	537	}
	538
	539	int in_bind_key(int dev_id, int keycode, int mask, int bind_type, int force_unbind)
	540	{
	541	int ret, count;
	542	in_dev_t *dev;
	543
	544	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS \|\| bind_type >= IN_BINDTYPE_COUNT)
	545	return -1;
	546
	547	dev = &in_devices[dev_id];
	548	count = dev->key_count;
	549
	550	if (dev->binds == NULL) {
	551	if (force_unbind)
	552	return 0;
	553	dev->binds = in_alloc_binds(dev->drv_id, count);
	554	if (dev->binds == NULL)
	555	return -1;
	556	}
	557
	558	if (keycode < 0 \|\| keycode >= count)
	559	return -1;
	560
	561	if (force_unbind)
	562	dev->binds[IN_BIND_OFFS(keycode, bind_type)] &= ~mask;
	563	else
	564	dev->binds[IN_BIND_OFFS(keycode, bind_type)] ^= mask;
	565
	566	ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds,
	567	dev->binds + count * IN_BINDTYPE_COUNT);
	568	if (ret == 0) {
	569	free(dev->binds);
	570	dev->binds = NULL;
	571	}
	572
	573	return 0;
	574	}
	575
	576	void in_unbind_all(int dev_id, int act_mask, int bind_type)
	577	{
	578	int i, count;
	579	in_dev_t *dev;
	580
	581	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS \|\| bind_type >= IN_BINDTYPE_COUNT)
	582	return;
	583
	584	dev = &in_devices[dev_id];
	585	count = dev->key_count;
	586
	587	if (dev->binds == NULL)
	588	return;
	589
	590	for (i = 0; i < count; i++)
	591	dev->binds[IN_BIND_OFFS(i, bind_type)] &= ~act_mask;
	592	}
	593
	594	/* returns device id, or -1 on error */
	595	int in_config_parse_dev(const char *name)
	596	{
	597	int drv_id = -1, i;
	598
	599	for (i = 0; i < IN_DRVID_COUNT; i++) {
	600	int len = strlen(in_drivers[i].prefix);
	601	if (strncmp(name, in_drivers[i].prefix, len) == 0) {
	602	drv_id = i;
	603	break;
	604	}
	605	}
	606
	607	if (drv_id < 0) {
	608	lprintf("input: missing driver for %s\n", name);
	609	return -1;
	610	}
	611
	612	for (i = 0; i < in_dev_count; i++)
	613	{
	614	if (in_devices[i].name == NULL)
	615	continue;
	616	if (strcmp(in_devices[i].name, name) == 0)
	617	return i;
	618	}
	619
	620	if (i >= IN_MAX_DEVS)
	621	{
	622	/* try to find unused device */
	623	for (i = 0; i < IN_MAX_DEVS; i++)
	624	if (in_devices[i].name == NULL) break;
	625	if (i >= IN_MAX_DEVS) {
	626	lprintf("input: too many devices, can't add %s\n", name);
	627	return -1;
	628	}
	629	}
	630
	631	memset(&in_devices[i], 0, sizeof(in_devices[i]));
	632
	633	in_devices[i].name = strdup(name);
	634	if (in_devices[i].name == NULL)
	635	return -1;
	636
	637	in_devices[i].key_count = DRV(drv_id).get_bind_count();
	638	in_devices[i].drv_id = drv_id;
	639
	640	if (i + 1 > in_dev_count)
	641	in_dev_count = i + 1;
	642
	643	return i;
	644	}
	645
	646	/*
	647	* To reduce size of game specific configs, default binds are not saved.
	648	* So we mark default binds in in_config_start(), override them in in_config_bind_key(),
	649	* and restore whatever default binds are left in in_config_end().
	650	*/
	651	void in_config_start(void)
	652	{
	653	int i;
	654
	655	/* mark all default binds, so they get overwritten by func below */
	656	for (i = 0; i < IN_MAX_DEVS; i++) {
	657	int n, count, binds, def_binds;
	658
	659	binds = in_devices[i].binds;
	660	if (binds == NULL)
	661	continue;
	662
	663	count = in_devices[i].key_count;
	664	def_binds = binds + count * IN_BINDTYPE_COUNT;
	665
	666	for (n = 0; n < count * IN_BINDTYPE_COUNT; n++)
	667	if (binds[n] == def_binds[n])
	668	binds[n] = -1;
	669	}
	670	}
	671
	672	int in_config_bind_key(int dev_id, const char *key, int acts, int bind_type)
	673	{
	674	in_dev_t *dev;
	675	int i, offs, kc;
	676
	677	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS \|\| bind_type >= IN_BINDTYPE_COUNT)
	678	return -1;
	679	dev = &in_devices[dev_id];
	680
	681	/* maybe a raw code? */
	682	if (key[0] == '\\' && key[1] == 'x') {
	683	char *p = NULL;
	684	kc = (int)strtoul(key + 2, &p, 16);
	685	if (p == NULL \|\| *p != 0)
	686	kc = -1;
	687	}
	688	else {
	689	/* device specific key name */
	690	if (dev->binds == NULL) {
	691	dev->binds = in_alloc_binds(dev->drv_id, dev->key_count);
	692	if (dev->binds == NULL)
	693	return -1;
	694	in_config_start();
	695	}
	696
	697	kc = DRV(dev->drv_id).get_key_code(key);
	698	if (kc < 0 && strlen(key) == 1) {
	699	/* assume scancode */
	700	kc = key[0];
	701	}
	702	}
	703
	704	if (kc < 0 \|\| kc >= dev->key_count) {
	705	lprintf("input: bad key: %s\n", key);
	706	return -1;
	707	}
	708
	709	if (bind_type == IN_BINDTYPE_NONE) {
	710	for (i = 0; i < IN_BINDTYPE_COUNT; i++)
	711	dev->binds[IN_BIND_OFFS(kc, i)] = 0;
	712	return 0;
	713	}
	714
	715	offs = IN_BIND_OFFS(kc, bind_type);
	716	if (dev->binds[offs] == -1)
	717	dev->binds[offs] = 0;
	718	dev->binds[offs] \|= acts;
	719	return 0;
	720	}
	721
	722	void in_config_end(void)
	723	{
	724	int i;
	725
	726	for (i = 0; i < IN_MAX_DEVS; i++) {
	727	int n, t, ret, count, binds, def_binds;
	728	in_dev_t *dev = &in_devices[i];
	729
	730	if (dev->binds == NULL)
	731	continue;
	732
	733	count = dev->key_count;
	734	binds = dev->binds;
	735	def_binds = binds + count * IN_BINDTYPE_COUNT;
	736
	737	for (n = 0; n < count; n++) {
	738	int is_default = 1;
	739	for (t = 0; t < IN_BINDTYPE_COUNT; t++)
	740	if (binds[IN_BIND_OFFS(n, t)] == -1)
	741	binds[IN_BIND_OFFS(n, t)] = 0;
	742	else
	743	is_default = 0;
	744
	745	if (is_default)
	746	for (t = 0; t < IN_BINDTYPE_COUNT; t++)
	747	binds[IN_BIND_OFFS(n, t)] = def_binds[IN_BIND_OFFS(n, t)];
	748	}
	749
	750	if (dev->drv_data == NULL)
	751	continue;
	752
	753	ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds, def_binds);
	754	if (ret == 0) {
	755	/* no useable binds */
	756	free(dev->binds);
	757	dev->binds = NULL;
	758	}
	759	}
	760	}
	761
	762	void in_debug_dump(void)
	763	{
	764	int i;
	765
	766	lprintf("# drv probed binds name\n");
	767	for (i = 0; i < IN_MAX_DEVS; i++) {
	768	in_dev_t *d = &in_devices[i];
	769	if (!d->probed && d->name == NULL && d->binds == NULL)
	770	continue;
	771	lprintf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
	772	d->binds ? 'y' : 'n', d->name);
	773	}
	774	}
	775
	776	/* handlers for unknown/not_preset drivers */
	777
	778	static void in_def_probe(void) {}
	779	static void in_def_free(void *drv_data) {}
	780	static int in_def_get_bind_count(void) { return 0; }
	781	static void in_def_get_def_binds(int *binds) {}
	782	static int in_def_clean_binds(void drv_data, int b, int *db) { return 0; }
	783	static void in_def_set_blocking(void *data, int y) {}
	784	static int in_def_update_keycode(void drv_data, int is_down) { return 0; }
	785	static int in_def_menu_translate(int keycode) { return keycode; }
	786	static int in_def_get_key_code(const char *key_name) { return 0; }
	787	static const char *in_def_get_key_name(int keycode) { return NULL; }
	788
	789	void in_init(void)
	790	{
	791	int i;
	792
	793	memset(in_drivers, 0, sizeof(in_drivers));
	794	memset(in_devices, 0, sizeof(in_devices));
	795	in_dev_count = 0;
	796
	797	for (i = 0; i < IN_DRVID_COUNT; i++) {
	798	in_drivers[i].prefix = "none:";
	799	in_drivers[i].probe = in_def_probe;
	800	in_drivers[i].free = in_def_free;
	801	in_drivers[i].get_bind_count = in_def_get_bind_count;
	802	in_drivers[i].get_def_binds = in_def_get_def_binds;
	803	in_drivers[i].clean_binds = in_def_clean_binds;
	804	in_drivers[i].set_blocking = in_def_set_blocking;
	805	in_drivers[i].update_keycode = in_def_update_keycode;
	806	in_drivers[i].menu_translate = in_def_menu_translate;
	807	in_drivers[i].get_key_code = in_def_get_key_code;
	808	in_drivers[i].get_key_name = in_def_get_key_name;
	809	}
	810
	811	#ifdef IN_GP2X
	812	in_gp2x_init(&in_drivers[IN_DRVID_GP2X]);
	813	#endif
	814	#ifdef IN_EVDEV
	815	in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
	816	#endif
	817	in_vk_init(&in_drivers[IN_DRVID_VK]);
	818	}
	819
	820	#if 0
	821	int main(void)
	822	{
	823	int ret;
	824
	825	in_init();
	826	in_probe();
	827
	828	in_set_blocking(1);
	829
	830	#if 1
	831	while (1) {
	832	int dev = 0, down;
	833	ret = in_update_keycode(&dev, &down);
	834	lprintf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
	835	}
	836	#else
	837	while (1) {
	838	ret = in_menu_wait_any();
	839	lprintf("%08x\n", ret);
	840	}
	841	#endif
	842
	843	return 0;
	844	}
	845	#endif