[libpicofe.git] / common / input.c

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

#include "input.h"
#include "../linux/in_evdev.h"

typedef struct
{
	int drv_id;
	void *drv_data;
	char *name;
	int *binds;
	int prev_result;
	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;

#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();
	if (count <= 0)
		printf("input: failed to get bind count for drv %d\n", drv_id);

	return count;
}

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

	count = in_bind_count(drv_id);
	if (count <= 0)
		return NULL;

	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)
		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 */
void in_register(const char *nname, int drv_id, void *drv_data)
{
	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) {
			printf("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);
	if (binds == NULL) {
		free(tmp);
		return;
	}

	in_devices[i].name = tmp;
	in_devices[i].binds = binds;
	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].drv_id = drv_id;
	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;
	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]));
			}
		}
	}
}

int in_update(void)
{
	int i, result = 0;

	for (i = 0; i < in_dev_count; i++) {
		in_dev_t *dev = &in_devices[i];
		int ret;
		if (dev->probed && dev->binds != NULL) {
			switch (dev->drv_id) {
#ifdef IN_EVDEV
			case IN_DRVID_EVDEV:
				ret = in_evdev_update(dev->drv_data, dev->binds);
				if (ret == -1) /* no change */
					result |= dev->prev_result;
				else {
					dev->prev_result = ret;
					result |= ret;
				}
				break;
#endif
			}
		}
	}

	return result;
}

static void **in_collect_drvdata(int drv_id, int *count)
{
	static void *data[IN_MAX_DEVS];
	int i;

	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;
	}

	return data;
}

static int menu_key_state = 0;

void in_set_blocking(int is_blocking)
{
	int i;

	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);
		in_devices[i].prev_result = 0;
	}

	menu_key_state = 0;
	/* flush events */
	in_update_keycode(NULL, NULL, 1);
}

/* 
 * update with wait for a press, return keycode
 * only can use 1 drv here..
 */
int in_update_keycode(int *dev_id_out, int *is_down_out, int timeout_ms)
{
	int result = 0, dev_id, is_down, result_menu;
#ifdef IN_EVDEV
	void **data;
	int i, id = 0, count = 0;

	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, timeout_ms);

	for (i = id; i < in_dev_count; i++) {
		if (in_devices[i].drv_data == data[id]) {
			dev_id = i;
			break;
		}
	}
#else
#error no menu read handlers
#endif

	/* keep track of menu key state, to allow mixing
	 * in_update_keycode() and in_update_menu() calls */
	result_menu = DRV(in_devices[dev_id].drv_id).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(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);
		code = DRV(in_devices[dev_id].drv_id).menu_translate(code);

		if (timeout_ms != 0)
			break;
		if (code == 0)
			continue;
		if (keys_old != menu_key_state)
			break;
	}

	return menu_key_state;
}

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)
{
	if (dev_id < 0 || dev_id >= IN_MAX_DEVS)
		return NULL;

	return in_devices[dev_id].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";

	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;
}

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;

	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_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].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_EVDEV
	in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
#endif
}

#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) {
		ret = in_update_menu();
		printf("%08x\n", ret);
	}
#endif

	return 0;
}
#endif
Commit	Line	Data
2258f158	1	#include <stdio.h>
	2	#include <stdlib.h>
	3	#include <string.h>
	4
	5	#include "input.h"
34581c95	6	#include "../linux/in_evdev.h"
2258f158	7
	8	typedef struct
	9	{
	10	int drv_id;
	11	void *drv_data;
2258f158	12	char *name;
906bdc9f	13	int *binds;
906bdc9f	14	int prev_result;
2258f158	15	int probed:1;
2258f158	16	} in_dev_t;
2258f158	17
da767bd5	18	static in_drv_t in_drivers[IN_DRVID_COUNT];
2258f158	19	static in_dev_t in_devices[IN_MAX_DEVS];
	20	static int in_dev_count = 0;
	21
da767bd5	22	#define DRV(id) in_drivers[(unsigned)(id) < IN_DRVID_COUNT ? (id) : 0]
da767bd5	23
2258f158	24	static int in_bind_count(int drv_id)
2258f158	25	{
da767bd5	26	int count = DRV(drv_id).get_bind_count();
2258f158	27	if (count <= 0)
	28	printf("input: failed to get bind count for drv %d\n", drv_id);
	29
	30	return count;
	31	}
	32
	33	static int *in_alloc_binds(int drv_id)
	34	{
da767bd5	35	int count, *binds;
2258f158	36
2258f158	37	count = in_bind_count(drv_id);
da767bd5	38	if (count <= 0)
2258f158	39	return NULL;
2258f158	40
da767bd5	41	binds = calloc(count * 2, sizeof(binds[0]));
	42	if (binds == NULL)
	43	return NULL;
	44
	45	DRV(drv_id).get_def_binds(binds + count);
	46	memcpy(binds, binds + count, count * sizeof(binds[0]));
	47
	48	return binds;
2258f158	49	}
	50
	51	static void in_free(in_dev_t *dev)
	52	{
da767bd5	53	if (dev->probed)
da767bd5	54	DRV(dev->drv_id).free(dev->drv_data);
2258f158	55	dev->probed = 0;
	56	dev->drv_data = NULL;
	57	free(dev->name);
	58	dev->name = NULL;
	59	free(dev->binds);
	60	dev->binds = NULL;
	61	}
	62
	63	/* to be called by drivers */
	64	void in_register(const char nname, int drv_id, void drv_data)
	65	{
da767bd5	66	int i, ret, dupe_count = 0, *binds;
2258f158	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	printf("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);
	105	if (binds == NULL) {
	106	free(tmp);
	107	return;
	108	}
	109
	110	in_devices[i].name = tmp;
	111	in_devices[i].binds = binds;
	112	if (i + 1 > in_dev_count)
	113	in_dev_count = i + 1;
	114
	115	printf("input: new device #%d \"%s\"\n", i, name);
	116	update:
	117	in_devices[i].probed = 1;
	118	in_devices[i].drv_id = drv_id;
	119	in_devices[i].drv_data = drv_data;
da767bd5	120
	121	if (in_devices[i].binds != NULL) {
	122	ret = DRV(drv_id).clean_binds(drv_data, in_devices[i].binds);
	123	if (ret == 0) {
	124	/* no useable binds */
	125	free(in_devices[i].binds);
	126	in_devices[i].binds = NULL;
	127	}
	128	}
2258f158	129	}
	130
	131	void in_probe(void)
	132	{
	133	int i;
	134	for (i = 0; i < in_dev_count; i++)
	135	in_devices[i].probed = 0;
	136
da767bd5	137	for (i = 1; i < IN_DRVID_COUNT; i++)
da767bd5	138	in_drivers[i].probe();
2258f158	139
	140	/* get rid of devs without binds and probes */
	141	for (i = 0; i < in_dev_count; i++) {
	142	if (!in_devices[i].probed && in_devices[i].binds == NULL) {
	143	in_dev_count--;
	144	if (i < in_dev_count) {
	145	free(in_devices[i].name);
	146	memmove(&in_devices[i], &in_devices[i+1],
	147	(in_dev_count - i) * sizeof(in_devices[0]));
	148	}
	149	}
	150	}
	151	}
	152
2258f158	153	int in_update(void)
	154	{
	155	int i, result = 0;
	156
	157	for (i = 0; i < in_dev_count; i++) {
906bdc9f	158	in_dev_t *dev = &in_devices[i];
	159	int ret;
	160	if (dev->probed && dev->binds != NULL) {
	161	switch (dev->drv_id) {
da767bd5	162	#ifdef IN_EVDEV
595491c4	163	case IN_DRVID_EVDEV:
906bdc9f	164	ret = in_evdev_update(dev->drv_data, dev->binds);
	165	if (ret == -1) /* no change */
	166	result \|= dev->prev_result;
	167	else {
	168	dev->prev_result = ret;
	169	result \|= ret;
	170	}
595491c4	171	break;
da767bd5	172	#endif
595491c4	173	}
2258f158	174	}
	175	}
	176
	177	return result;
	178	}
	179
595491c4	180	static void *in_collect_drvdata(int drv_id, int count)
	181	{
	182	static void *data[IN_MAX_DEVS];
	183	int i;
	184
	185	for (*count = i = 0; i < in_dev_count; i++) {
	186	if (in_devices[i].drv_id == drv_id && in_devices[i].probed)
	187	data[(*count)++] = in_devices[i].drv_data;
	188	}
	189
	190	return data;
	191	}
	192
906bdc9f	193	static int menu_key_state = 0;
906bdc9f	194
595491c4	195	void in_set_blocking(int is_blocking)
	196	{
	197	int i;
	198
	199	for (i = 0; i < in_dev_count; i++) {
da767bd5	200	if (in_devices[i].probed)
da767bd5	201	DRV(in_devices[i].drv_id).set_blocking(in_devices[i].drv_data, is_blocking);
906bdc9f	202	in_devices[i].prev_result = 0;
595491c4	203	}
906bdc9f	204
	205	menu_key_state = 0;
	206	/* flush events */
	207	in_update_keycode(NULL, NULL, 1);
595491c4	208	}
595491c4	209
34581c95	210	/*
595491c4	211	* update with wait for a press, return keycode
34581c95	212	* only can use 1 drv here..
34581c95	213	*/
906bdc9f	214	int in_update_keycode(int dev_id_out, int is_down_out, int timeout_ms)
34581c95	215	{
906bdc9f	216	int result = 0, dev_id, is_down, result_menu;
34581c95	217	#ifdef IN_EVDEV
595491c4	218	void **data;
595491c4	219	int i, id = 0, count = 0;
34581c95	220
595491c4	221	data = in_collect_drvdata(IN_DRVID_EVDEV, &count);
34581c95	222	if (count == 0) {
	223	/* don't deadlock, fail */
	224	printf("input: failed to find devices to read\n");
	225	exit(1);
	226	}
	227
906bdc9f	228	result = in_evdev_update_keycode(data, count, &id, &is_down, timeout_ms);
595491c4	229
906bdc9f	230	for (i = id; i < in_dev_count; i++) {
	231	if (in_devices[i].drv_data == data[id]) {
	232	dev_id = i;
	233	break;
595491c4	234	}
595491c4	235	}
34581c95	236	#else
	237	#error no menu read handlers
	238	#endif
	239
906bdc9f	240	/* keep track of menu key state, to allow mixing
	241	* in_update_keycode() and in_update_menu() calls */
	242	result_menu = DRV(in_devices[dev_id].drv_id).menu_translate(result);
	243	if (result_menu != 0) {
	244	if (is_down)
	245	menu_key_state \|= result_menu;
	246	else
	247	menu_key_state &= ~result_menu;
	248	}
	249
	250	if (dev_id_out != NULL)
	251	*dev_id_out = dev_id;
	252	if (is_down_out != NULL)
	253	*is_down_out = is_down;
34581c95	254	return result;
	255	}
	256
595491c4	257	/*
	258	* same as above, only return bitfield of BTN_*
	259	*/
906bdc9f	260	int in_update_menu(int timeout_ms)
595491c4	261	{
906bdc9f	262	int keys_old = menu_key_state;
595491c4	263
	264	while (1)
	265	{
da767bd5	266	int code, is_down = 0, dev_id = 0;
595491c4	267
906bdc9f	268	code = in_update_keycode(&dev_id, &is_down, timeout_ms);
906bdc9f	269	code = DRV(in_devices[dev_id].drv_id).menu_translate(code);
595491c4	270
906bdc9f	271	if (timeout_ms != 0)
	272	break;
	273	if (code == 0)
	274	continue;
	275	if (keys_old != menu_key_state)
595491c4	276	break;
	277	}
	278
906bdc9f	279	return menu_key_state;
595491c4	280	}
595491c4	281
da767bd5	282	const int *in_get_dev_binds(int dev_id)
	283	{
	284	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	285	return NULL;
	286
	287	return in_devices[dev_id].binds;
	288	}
	289
	290	const int *in_get_dev_def_binds(int dev_id)
	291	{
	292	int count;
	293
	294	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	295	return NULL;
	296
	297	count = in_bind_count(in_devices[dev_id].drv_id);
	298	return in_devices[dev_id].binds + count;
	299	}
	300
	301	int in_get_dev_bind_count(int dev_id)
	302	{
	303	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	304	return 0;
	305
	306	return in_bind_count(in_devices[dev_id].drv_id);
	307	}
	308
	309	const char *in_get_dev_name(int dev_id)
	310	{
	311	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	312	return NULL;
	313
	314	return in_devices[dev_id].name;
	315	}
	316
906bdc9f	317	/* never returns NULL */
595491c4	318	const char *in_get_key_name(int dev_id, int keycode)
595491c4	319	{
906bdc9f	320	static char xname[16];
	321	const char *name;
	322
595491c4	323	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
595491c4	324	return "Unkn0";
da767bd5	325
906bdc9f	326	name = DRV(in_devices[dev_id].drv_id).get_key_name(keycode);
	327	if (name != NULL)
	328	return name;
	329
	330	/* assume scancode */
	331	if ((keycode >= '0' && keycode <= '9') \|\| (keycode >= 'a' && keycode <= 'z')
	332	\|\| (keycode >= 'A' && keycode <= 'Z'))
	333	sprintf(xname, "%c", keycode);
	334	else
	335	sprintf(xname, "\\x%02X", keycode);
	336	return xname;
	337	}
	338
	339	int in_bind_key(int dev_id, int keycode, int mask, int force_unbind)
	340	{
	341	int ret, count;
	342	in_dev_t *dev;
	343
	344	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	345	return -1;
	346	dev = &in_devices[dev_id];
	347
	348	if (dev->binds == NULL) {
	349	if (force_unbind)
	350	return 0;
	351	dev->binds = in_alloc_binds(dev->drv_id);
	352	if (dev->binds == NULL)
	353	return -1;
	354	}
	355
	356	count = in_bind_count(dev->drv_id);
	357	if (keycode < 0 \|\| keycode >= count)
	358	return -1;
	359
	360	if (force_unbind)
	361	dev->binds[keycode] &= ~mask;
	362	else
	363	dev->binds[keycode] ^= mask;
	364
	365	ret = DRV(dev->drv_id).clean_binds(dev->drv_data, dev->binds);
	366	if (ret == 0) {
	367	free(dev->binds);
	368	dev->binds = NULL;
	369	}
	370
	371	return 0;
da767bd5	372	}
	373
	374	/* returns device id, or -1 on error */
	375	int in_config_parse_dev(const char *name)
	376	{
	377	int drv_id = -1, i;
	378
	379	for (i = 0; i < IN_DRVID_COUNT; i++) {
	380	int len = strlen(in_drivers[i].prefix);
	381	if (strncmp(name, in_drivers[i].prefix, len) == 0) {
	382	drv_id = i;
	383	break;
	384	}
	385	}
	386
	387	if (drv_id < 0) {
	388	printf("input: missing driver for %s\n", name);
	389	return -1;
	390	}
	391
	392	for (i = 0; i < in_dev_count; i++)
	393	{
	394	if (in_devices[i].name == NULL)
	395	continue;
	396	if (strcmp(in_devices[i].name, name) == 0)
	397	return i;
	398	}
	399
	400	if (i >= IN_MAX_DEVS)
	401	{
	402	/* try to find unused device */
	403	for (i = 0; i < IN_MAX_DEVS; i++)
	404	if (in_devices[i].name == NULL) break;
	405	if (i >= IN_MAX_DEVS) {
	406	printf("input: too many devices, can't add %s\n", name);
	407	return -1;
	408	}
	409	}
	410
	411	memset(&in_devices[i], 0, sizeof(in_devices[i]));
	412
	413	in_devices[i].name = strdup(name);
	414	if (in_devices[i].name == NULL)
	415	return -1;
	416
	417	if (i + 1 > in_dev_count)
	418	in_dev_count = i + 1;
	419	in_devices[i].drv_id = drv_id;
	420
	421	return i;
	422	}
	423
	424	void in_config_start(void)
	425	{
	426	int i;
	427
	428	/* mark all default binds, so they get overwritten by func below */
	429	for (i = 0; i < IN_MAX_DEVS; i++) {
	430	int n, count, binds, def_binds;
	431
906bdc9f	432	binds = in_devices[i].binds;
906bdc9f	433	if (binds == NULL)
da767bd5	434	continue;
	435
	436	count = in_bind_count(in_devices[i].drv_id);
da767bd5	437	def_binds = binds + count;
	438
	439	for (n = 0; n < count; n++)
	440	if (binds[n] == def_binds[n])
	441	binds[n] = -1;
	442	}
	443	}
	444
	445	int in_config_bind_key(int dev_id, const char *key, int binds)
	446	{
906bdc9f	447	int count, kc;
906bdc9f	448	in_dev_t *dev;
da767bd5	449
	450	if (dev_id < 0 \|\| dev_id >= IN_MAX_DEVS)
	451	return -1;
906bdc9f	452	dev = &in_devices[dev_id];
da767bd5	453
906bdc9f	454	count = in_bind_count(dev->drv_id);
	455
	456	/* maybe a raw code? */
	457	if (key[0] == '\\' && key[1] == 'x') {
	458	char *p = NULL;
	459	kc = (int)strtoul(key + 2, &p, 16);
	460	if (p == NULL \|\| *p != 0)
	461	kc = -1;
	462	}
	463	else {
	464	/* device specific key name */
	465	if (dev->binds == NULL) {
	466	dev->binds = in_alloc_binds(dev->drv_id);
	467	if (dev->binds == NULL)
	468	return -1;
	469	in_config_start();
	470	}
	471
	472	kc = DRV(dev->drv_id).get_key_code(key);
	473	if (kc < 0 && strlen(key) == 1) {
	474	/* assume scancode */
	475	kc = key[0];
	476	}
da767bd5	477	}
da767bd5	478
906bdc9f	479	if (kc < 0 \|\| kc >= count) {
da767bd5	480	printf("input: bad key: %s\n", key);
da767bd5	481	return -1;
595491c4	482	}
595491c4	483
906bdc9f	484	if (dev->binds[kc] == -1)
	485	dev->binds[kc] = 0;
	486	dev->binds[kc] \|= binds;
da767bd5	487
	488	return 0;
	489	}
	490
	491	void in_config_end(void)
	492	{
	493	int i;
	494
	495	for (i = 0; i < IN_MAX_DEVS; i++) {
	496	int n, ret, count, binds, def_binds;
906bdc9f	497	in_dev_t *dev = &in_devices[i];
da767bd5	498
906bdc9f	499	if (dev->binds == NULL)
da767bd5	500	continue;
da767bd5	501
906bdc9f	502	count = in_bind_count(dev->drv_id);
906bdc9f	503	binds = dev->binds;
da767bd5	504	def_binds = binds + count;
	505
	506	for (n = 0; n < count; n++)
	507	if (binds[n] == -1)
	508	binds[n] = def_binds[n];
	509
906bdc9f	510	if (dev->drv_data == NULL)
da767bd5	511	continue;
da767bd5	512
906bdc9f	513	ret = DRV(dev->drv_id).clean_binds(dev->drv_data, binds);
da767bd5	514	if (ret == 0) {
da767bd5	515	/* no useable binds */
906bdc9f	516	free(dev->binds);
906bdc9f	517	dev->binds = NULL;
da767bd5	518	}
da767bd5	519	}
595491c4	520	}
595491c4	521
da767bd5	522	void in_debug_dump(void)
	523	{
	524	int i;
	525
	526	printf("# drv probed binds name\n");
	527	for (i = 0; i < IN_MAX_DEVS; i++) {
	528	in_dev_t *d = &in_devices[i];
	529	if (!d->probed && d->name == NULL && d->binds == NULL)
	530	continue;
	531	printf("%d %3d %6c %5c %s\n", i, d->drv_id, d->probed ? 'y' : 'n',
	532	d->binds ? 'y' : 'n', d->name);
	533	}
	534	}
	535
	536	/* handlers for unknown/not_preset drivers */
	537
	538	static void in_def_probe(void) {}
	539	static void in_def_free(void *drv_data) {}
	540	static int in_def_get_bind_count(void) { return 0; }
	541	static void in_def_get_def_binds(int *binds) {}
	542	static int in_def_clean_binds(void drv_data, int binds) { return 0; }
	543	static void in_def_set_blocking(void *data, int y) {}
	544	static int in_def_menu_translate(int keycode) { return keycode; }
	545	static int in_def_get_key_code(const char *key_name) { return 0; }
	546	static const char *in_def_get_key_name(int keycode) { return NULL; }
	547
2258f158	548	void in_init(void)
2258f158	549	{
da767bd5	550	int i;
	551
	552	memset(in_drivers, 0, sizeof(in_drivers));
2258f158	553	memset(in_devices, 0, sizeof(in_devices));
2258f158	554	in_dev_count = 0;
da767bd5	555
	556	for (i = 0; i < IN_DRVID_COUNT; i++) {
	557	in_drivers[i].prefix = "none:";
	558	in_drivers[i].probe = in_def_probe;
	559	in_drivers[i].free = in_def_free;
	560	in_drivers[i].get_bind_count = in_def_get_bind_count;
	561	in_drivers[i].get_def_binds = in_def_get_def_binds;
	562	in_drivers[i].clean_binds = in_def_clean_binds;
	563	in_drivers[i].set_blocking = in_def_set_blocking;
	564	in_drivers[i].menu_translate = in_def_menu_translate;
	565	in_drivers[i].get_key_code = in_def_get_key_code;
	566	in_drivers[i].get_key_name = in_def_get_key_name;
	567	}
	568
	569	#ifdef IN_EVDEV
	570	in_evdev_init(&in_drivers[IN_DRVID_EVDEV]);
	571	#endif
2258f158	572	}
2258f158	573
da767bd5	574	#if 0
2258f158	575	int main(void)
2258f158	576	{
34581c95	577	int ret;
34581c95	578
2258f158	579	in_init();
	580	in_probe();
	581
595491c4	582	in_set_blocking(1);
	583
	584	#if 1
	585	while (1) {
	586	int dev = 0, down;
	587	ret = in_update_keycode(&dev, &down);
	588	printf("#%i: %i %i (%s)\n", dev, down, ret, in_get_key_name(dev, ret));
	589	}
	590	#else
2258f158	591	while (1) {
34581c95	592	ret = in_update_menu();
34581c95	593	printf("%08x\n", ret);
2258f158	594	}
595491c4	595	#endif
2258f158	596
	597	return 0;
	598	}
da767bd5	599	#endif