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#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include <inttypes.h>
#include <fcntl.h>
#include <time.h>
#include <termios.h>
#include <sys/time.h>
#include <libudev.h>
#include <libinput.h>
#include "ttytools.h"
#include "logind.h"
static struct termios saved_attributes;
static int saved_fl;
static struct libinput *ctx;
const struct libinput_interface libinput_if = {
.open_restricted = logind_open,
.close_restricted = logind_close,
};
void tty_raw(void)
{
struct termios tattr;
struct udev *udev;
if (have_logind()) {
udev = udev_new();
ctx = libinput_udev_create_context(&libinput_if, NULL, udev);
libinput_udev_assign_seat(ctx, getenv("XDG_SEAT"));
} else {
fcntl(STDIN_FILENO, F_GETFL, &saved_fl);
tcgetattr (0, &saved_attributes);
fcntl(STDIN_FILENO, F_SETFL, O_NONBLOCK);
memcpy(&tattr,&saved_attributes,sizeof(struct termios));
tattr.c_lflag &= ~(ICANON|ECHO);
tattr.c_cc[VMIN] = 1;
tattr.c_cc[VTIME] = 0;
tcsetattr(STDIN_FILENO, TCSAFLUSH, &tattr);
}
}
void tty_restore(void)
{
if (have_logind()) {
libinput_unref(ctx);
} else {
fcntl(STDIN_FILENO, F_SETFL, saved_fl);
tcsetattr(STDIN_FILENO, TCSANOW, &saved_attributes);
}
}
int kbd_wait(int timeout)
{
struct timeval limit;
fd_set set;
int fd, rc;
if (have_logind()) {
fd = libinput_get_fd(ctx);
} else {
fd = STDIN_FILENO;
}
FD_ZERO(&set);
FD_SET(fd, &set);
limit.tv_sec = timeout;
limit.tv_usec = 0;
rc = select(fd + 1, &set, NULL, NULL,
timeout ? &limit : NULL);
return rc;
}
void kbd_read(void)
{
char buf[32];
if (have_logind()) {
/* nothing */
} else {
read(0, buf, sizeof(buf));
}
}
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