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#include <stdio.h>
#include <fcntl.h>
#include <unistd.h>
#include <linux/input.h>
#include <termios.h>
#include <errno.h>
#include <stdbool.h>
#include <sys/time.h>
#include <time.h>
#include <string.h>
#include "config.h"
#include "keys.h"
#include "utils.h"
static int repeat_counters[256] = { 1 };
static int line_lock = -1;
enum KEY_STATUS { KEY_RELEASE = 0, KEY_PRESS = 1, KEY_REPEAT = 2 };
void usage()
{
printf("Usage: %s <EVENT_FILE_PATH>.\n", PROGRAM_NAME);
}
void version()
{
printf("%s (v%s)\n", PROGRAM_FULL_NAME, PROGRAM_VERSION);
printf("%s\n", PROGRAM_AUTHORS);
}
void print_pure(struct input_event *ie)
{
if (repeat_counters[ie->code] != 1) {
printf("%-15s x%-13d\r", key_names[ie->code],
repeat_counters[ie->code]);
} else {
printf("%s", key_names[ie->code]);
}
fflush(stdout);
}
void print_with_time(struct input_event *ie)
{
struct tm *tm_info;
char time_buf[64];
time_t sec = (time_t)ie->input_event_sec;
tm_info = localtime(&sec);
strftime(time_buf, sizeof(time_buf), "%F %T", tm_info);
printf("%s.%06ld: %s\n", time_buf, (long)ie->time.tv_usec,
key_names[ie->code]);
return;
}
int main(int argc, char **argv)
{
if (argv[1] != NULL &&
(strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0)) {
usage();
return -1;
} else if (argv[1] != NULL && (strcmp(argv[1], "--version") == 0 ||
strcmp(argv[1], "-v")) == 0) {
version();
return -1;
}
setvbuf(stdout, NULL, _IONBF, 0);
disable_term_echo();
struct config *cfg = config_init();
if (!cfg) {
return -1;
}
printf("Device: %s\n", cfg->device);
struct input_event ie;
int fd = open(cfg->device, O_RDONLY);
if (fd == -1 && errno == EACCES) {
printf("Permission denied: please run %s with sudo.\n",
PROGRAM_NAME);
return -1;
}
if (fd == -1 && errno == ENOENT) {
printf("Invalid device, please check your config file.\n");
return -1;
}
init_key_names();
void (*fp)(struct input_event * ie) =
(cfg->time == true) ? print_with_time : print_pure;
while (1) {
read(fd, &ie, sizeof(ie));
if (ie.type == EV_KEY) {
if (ie.value == KEY_PRESS) {
if (line_lock != -1 && !cfg->time)
printf("\n");
repeat_counters[ie.code] = 1;
line_lock = ie.code;
fp(&ie);
}
if (ie.value == KEY_REPEAT) {
if (cfg->time) {
if (cfg->time)
printf("\r\033[K");
}
line_lock = ie.code;
repeat_counters[ie.code]++;
fp(&ie);
}
}
}
enable_term_echo();
return 0;
}
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