termo/demo-glib.c

#include <stdio.h>
#include <glib.h>
#include <unistd.h>
#include <locale.h>

#include "termkey2.h"

static termkey_t *tk;
static int timeout_id;

static void
on_key (termkey_t *tk, termkey_key_t *key)
{
	char buffer[50];
	termkey_strfkey (tk, buffer, sizeof buffer, key, TERMKEY_FORMAT_VIM);
	printf ("%s\n", buffer);
}

static gboolean
key_timer (gpointer data)
{
	termkey_key_t key;
	if (termkey_getkey_force (tk, &key) == TERMKEY_RES_KEY)
		on_key (tk, &key);
	return FALSE;
}

static gboolean
stdin_io (GIOChannel *source, GIOCondition condition, gpointer data)
{
	if (condition && G_IO_IN)
	{
		if (timeout_id)
			g_source_remove (timeout_id);

		termkey_advisereadable (tk);

		termkey_result_t ret;
		termkey_key_t key;
		while ((ret = termkey_getkey (tk, &key)) == TERMKEY_RES_KEY)
			on_key (tk, &key);

		if (ret == TERMKEY_RES_AGAIN)
			timeout_id = g_timeout_add
				(termkey_get_waittime (tk), key_timer, NULL);
	}

	return TRUE;
}

int
main (int argc, char *argv[])
{
	(void) argc;
	(void) argv;

	TERMKEY_CHECK_VERSION;
	setlocale (LC_CTYPE, "");

	tk = termkey_new (STDIN_FILENO, NULL, 0);
	if (!tk)
	{
		fprintf (stderr, "Cannot allocate termkey instance\n");
		exit (1);
	}

	GMainLoop *loop = g_main_loop_new (NULL, FALSE);
	g_io_add_watch (g_io_channel_unix_new (STDIN_FILENO),
		G_IO_IN, stdin_io, NULL);
	g_main_loop_run (loop);
	termkey_destroy (tk);
}