Terminal key input library
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 

73 lines
1.3 KiB

// <poll.h> might need this for sigset_t
#define _XOPEN_SOURCE 600
#include <poll.h>
#include <stdio.h>
#include <unistd.h>
#include <locale.h>
#include "termo.h"
static void
on_key (termo_t *tk, termo_key_t *key)
{
char buffer[50];
termo_strfkey (tk, buffer, sizeof buffer, key, TERMO_FORMAT_VIM);
printf ("%s\n", buffer);
}
int
main (int argc, char *argv[])
{
(void) argc;
(void) argv;
TERMO_CHECK_VERSION;
setlocale (LC_CTYPE, "");
termo_t *tk = termo_new (STDIN_FILENO, NULL, 0);
if (!tk)
{
fprintf (stderr, "Cannot allocate termo instance\n");
exit (1);
}
struct pollfd fd;
fd.fd = STDIN_FILENO; // the file descriptor we passed to termo_new()
fd.events = POLLIN;
termo_result_t ret;
termo_key_t key;
int running = 1;
int nextwait = -1;
while (running)
{
if (poll (&fd, 1, nextwait) == 0)
// Timed out
if (termo_getkey_force (tk, &key) == TERMO_RES_KEY)
on_key (tk, &key);
if (fd.revents & (POLLIN | POLLHUP | POLLERR))
termo_advisereadable (tk);
while ((ret = termo_getkey (tk, &key)) == TERMO_RES_KEY)
{
on_key (tk, &key);
if (key.type == TERMO_TYPE_KEY
&& (key.modifiers & TERMO_KEYMOD_CTRL)
&& (key.code.codepoint == 'C' || key.code.codepoint == 'c'))
running = 0;
}
if (ret == TERMO_RES_AGAIN)
nextwait = termo_get_waittime (tk);
else
nextwait = -1;
}
termo_destroy (tk);
}