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lsd.c
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lsd.c
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/* See LICENSE file for copyright and license details. */
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "randr.h"
#include "util.h"
xcb_connection_t *conn;
xcb_screen_t *scrn;
void
usage(char *name)
{
printf("usage: %s \n", name);
exit(0);
}
void
print_output(xcb_connection_t *conn, xcb_randr_output_t output)
{
uint8_t* name = get_output_name(conn, output);
if (get_output_connection(conn, output) == 0) {
printf("%s\n", name);
}
}
int
main(int argc, char *argv[])
{
xcb_randr_get_output_info_reply_t *output_info;
xcb_randr_get_crtc_info_reply_t *output_crtc_info;
int print_all = 0;
if (argc > 1 && strcmp(argv[1], "-a") == 0)
print_all = 1;
#ifdef __OpenBSD__
if (pledge("stdio rpath unix", NULL) == -1)
err(1, "pledge");
#endif
if (argc > 1 && (argc == 2 && !print_all))
usage(argv[0]);
init_xcb(&conn);
get_screen(conn, &scrn);
xcb_randr_provider_t *providers;
int p_len = get_providers(conn, scrn, &providers);
for (int i = 0; i < p_len; i++) {
xcb_randr_output_t *os;
int o_len = get_outputs(conn, providers[i], &os);
/* Print screens from providers */
for (int j = 0; j < o_len; j++) {
output_info = get_output_info(conn, os[j]);
output_crtc_info = get_output_crtc_info(conn, output_info->crtc);
/* Print screen only if in use */
if (print_all || output_crtc_info != NULL) {
print_output(conn, os[j]);
}
}
}
return 0;
}