diff options
Diffstat (limited to 'minui/events.c')
| -rw-r--r-- | minui/events.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/minui/events.c b/minui/events.c index c533a48..2918afa 100644 --- a/minui/events.c +++ b/minui/events.c @@ -27,7 +27,11 @@ #define MAX_DEVICES 16 #define MAX_MISC_FDS 16 -#define test_bit(bit, array) ((array)[(bit)/8] & (1<<((bit)%8))) +#define BITS_PER_LONG (sizeof(unsigned long) * 8) +#define BITS_TO_LONGS(x) (((x) + BITS_PER_LONG - 1) / BITS_PER_LONG) + +#define test_bit(bit, array) \ + ((array)[(bit)/BITS_PER_LONG] & (1 << ((bit) % BITS_PER_LONG))) struct fd_info { ev_callback cb; @@ -50,7 +54,7 @@ int ev_init(ev_callback input_cb, void *data) dir = opendir("/dev/input"); if(dir != 0) { while((de = readdir(dir))) { - uint8_t ev_bits[(EV_MAX + 1) / 8]; + unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; // fprintf(stderr,"/dev/input/%s\n", de->d_name); if(strncmp(de->d_name,"event",5)) continue; @@ -139,3 +143,33 @@ int ev_get_input(int fd, short revents, struct input_event *ev) } return -1; } + +int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data) +{ + unsigned long key_bits[BITS_TO_LONGS(KEY_MAX)]; + unsigned long ev_bits[BITS_TO_LONGS(EV_MAX)]; + unsigned i; + int ret; + + for (i = 0; i < ev_dev_count; i++) { + int code; + + memset(key_bits, 0, sizeof(key_bits)); + memset(ev_bits, 0, sizeof(ev_bits)); + + ret = ioctl(ev_fds[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits); + if (ret < 0 || !test_bit(EV_KEY, ev_bits)) + continue; + + ret = ioctl(ev_fds[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits); + if (ret < 0) + continue; + + for (code = 0; code <= KEY_MAX; code++) { + if (test_bit(code, key_bits)) + set_key_cb(code, 1, data); + } + } + + return 0; +} |