i3/i3bar/src/main.c

#include <stdio.h>
#include <i3/ipc.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <ev.h>
#include <xcb/xcb.h>

#include "ipc.h"
#include "outputs.h"
#include "workspaces.h"
#include "common.h"
#include "xcb.h"

void ev_prepare_cb(struct ev_loop *loop, ev_prepare *w, int revents) {
    xcb_flush(xcb_connection);
}

void ev_check_cb(struct ev_loop *loop, ev_check *w, int revents) {
    xcb_generic_event_t *event;
    if ((event = xcb_poll_for_event(xcb_connection)) != NULL) {
        handle_xcb_event(event);
    }
    free(event);
}

void xcb_io_cb(struct ev_loop *loop, ev_io *w, int revents) {
}

int main(int argc, char **argv) {
    main_loop = ev_default_loop(0);

    init_xcb();
    init_connection("/home/mero/.i3/ipc.sock");

    subscribe_events();

    ev_io *xcb_io = malloc(sizeof(ev_io));
    ev_prepare *ev_prep = malloc(sizeof(ev_prepare));
    ev_check *ev_chk = malloc(sizeof(ev_check));

    ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
    ev_prepare_init(ev_prep, &ev_prepare_cb);
    ev_check_init(ev_chk, &ev_check_cb);

    ev_io_start(main_loop, xcb_io);
    ev_prepare_start(main_loop, ev_prep);
    ev_check_start(main_loop, ev_chk);

    i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_OUTPUTS, NULL);
    i3_send_msg(I3_IPC_MESSAGE_TYPE_GET_WORKSPACES, NULL);

    ev_loop(main_loop, 0);

    ev_prepare_stop(main_loop, ev_prep);
    ev_check_stop(main_loop, ev_chk);
    FREE(ev_prep);
    FREE(ev_chk);

    ev_default_destroy();
    clean_xcb();

    free_workspaces();
    FREE_SLIST(outputs, i3_output);

    return 0;
}