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input layer mostly complete

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@626 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2009-01-01 22:35:33 +00:00
parent d7dd4d66ce
commit 819ef02513
4 changed files with 374 additions and 95 deletions
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115
platform/linux/in_evdev.c
View file

@ -12,10 +12,11 @@
#include "../common/input.h"
#include "in_evdev.h"
#define BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
#define KEYBITS_BIT(x) (keybits[(x)/sizeof(keybits[0])/8] & \
(1 << ((x) & (sizeof(keybits[0])*8-1))))
static const char *in_evdev_keys[KEY_MAX + 1] = {
static const char * const in_evdev_prefix = "evdev:";
static const char * const in_evdev_keys[KEY_MAX + 1] = {
[0 ... KEY_MAX] = NULL,
[KEY_RESERVED] = "Reserved", [KEY_ESC] = "Esc",
[KEY_1] = "1", [KEY_2] = "2",
@ -102,13 +103,13 @@ static const char *in_evdev_keys[KEY_MAX + 1] = {
};
int in_evdev_probe(void)
static void in_evdev_probe(void)
{
int i;
for (i = 0;; i++)
{
int u, ret, fd, keybits[KEY_MAX/sizeof(int)];
int u, ret, fd, keybits[(KEY_MAX+1)/sizeof(int)];
int support = 0, count = 0;
char name[64];
@ -134,15 +135,15 @@ int in_evdev_probe(void)
}
/* check for interesting keys */
for (u = 0; u < KEY_MAX; u++) {
if (BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
for (u = 0; u < KEY_MAX + 1; u++) {
if (KEYBITS_BIT(u) && u != KEY_POWER && u != KEY_SLEEP)
count++;
}
if (count == 0)
goto skip;
strcpy(name, "evdev:");
strcpy(name, in_evdev_prefix);
ioctl(fd, EVIOCGNAME(sizeof(name)-6), name+6);
printf("in_evdev: found \"%s\" with %d events (type %08x)\n",
name+6, count, support);
@ -152,24 +153,22 @@ int in_evdev_probe(void)
skip:
close(fd);
}
return 0;
}
void in_evdev_free(void *drv_data)
static void in_evdev_free(void *drv_data)
{
close((int)drv_data);
}
int in_evdev_bind_count(void)
static int in_evdev_get_bind_count(void)
{
return 512;
return KEY_MAX + 1;
}
int in_evdev_update(void *drv_data, int *binds)
{
struct input_event ev[16];
int keybits[KEY_MAX/sizeof(int)];
int keybits[(KEY_MAX+1)/sizeof(int)];
int fd = (int)drv_data;
int result = 0, changed = 0;
int rd, ret, u;
@ -196,8 +195,8 @@ int in_evdev_update(void *drv_data, int *binds)
}
printf("#%d: ", fd);
for (u = 0; u < KEY_MAX; u++) {
if (BIT(u)) {
for (u = 0; u < KEY_MAX + 1; u++) {
if (KEYBITS_BIT(u)) {
printf(" %d", u);
result |= binds[u];
}
@ -207,7 +206,7 @@ int in_evdev_update(void *drv_data, int *binds)
return result;
}
void in_evdev_set_blocking(void *data, int y)
static void in_evdev_set_blocking(void *data, int y)
{
long flags;
int ret;
@ -275,7 +274,7 @@ int in_evdev_update_keycode(void **data, int dcount, int *which, int *is_down)
}
}
int in_evdev_menu_translate(int keycode)
static int in_evdev_menu_translate(int keycode)
{
switch (keycode) {
/* keyboards */
@ -289,10 +288,24 @@ int in_evdev_menu_translate(int keycode)
}
}
const char *in_evdev_get_key_name(int keycode)
static int in_evdev_get_key_code(const char *key_name)
{
int i;
for (i = 0; i < KEY_MAX + 1; i++) {
const char *k = in_evdev_keys[i];
if (k != NULL && k[0] == key_name[0] &&
strcasecmp(k, key_name) == 0)
return i;
}
return -1;
}
static const char *in_evdev_get_key_name(int keycode)
{
const char *name = NULL;
if (keycode >= 0 && keycode < KEY_MAX)
if (keycode >= 0 && keycode <= KEY_MAX)
name = in_evdev_keys[keycode];
if (name == NULL)
name = "Unkn";
@ -300,3 +313,67 @@ const char *in_evdev_get_key_name(int keycode)
return name;
}
static const struct {
short code;
short bit;
} in_evdev_def_binds[] =
{
/* MXYZ SACB RLDU */
{ KEY_UP, 0 },
{ KEY_DOWN, 1 },
{ KEY_LEFT, 2 },
{ KEY_RIGHT, 3 },
{ KEY_S, 4 }, /* B */
{ KEY_D, 5 }, /* C */
{ KEY_A, 6 }, /* A */
{ KEY_ENTER, 7 },
};
#define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0]))
static void in_evdev_get_def_binds(int *binds)
{
int i;
for (i = 0; i < DEF_BIND_COUNT; i++)
binds[in_evdev_def_binds[i].code] = 1 << in_evdev_def_binds[i].bit;
}
/* remove bad binds, count good ones */
static int in_evdev_clean_binds(void *drv_data, int *binds)
{
int keybits[(KEY_MAX+1)/sizeof(int)];
int i, ret, count = 0;
ret = ioctl((int)drv_data, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
if (ret == -1) {
perror("in_evdev: ioctl failed");
memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
}
for (i = 0; i < KEY_MAX + 1; i++) {
if (!KEYBITS_BIT(i))
binds[i] = binds[i + KEY_MAX + 1] = 0;
if (binds[i])
count++;
}
return count;
}
void in_evdev_init(void *vdrv)
{
in_drv_t *drv = vdrv;
drv->prefix = in_evdev_prefix;
drv->probe = in_evdev_probe;
drv->free = in_evdev_free;
drv->get_bind_count = in_evdev_get_bind_count;
drv->get_def_binds = in_evdev_get_def_binds;
drv->clean_binds = in_evdev_clean_binds;
drv->set_blocking = in_evdev_set_blocking;
drv->menu_translate = in_evdev_menu_translate;
drv->get_key_code = in_evdev_get_key_code;
drv->get_key_name = in_evdev_get_key_name;
}