END_TEST START_TEST(test_event_code) { struct input_event ev; int i = 0; ev.type = EV_REL; ev.code = REL_Y; ck_assert_int_eq(libevdev_event_is_code(&ev, EV_REL, REL_Y), 1); for (i = 0; i < EV_CNT; i++) { int j; if (i == ev.type || i == EV_SYN) continue; for (j = 0; j < libevdev_event_type_get_max(i); i++) { ck_assert_int_eq(libevdev_event_is_code(&ev, i, j), 0); } } ck_assert_int_eq(libevdev_event_is_code(&ev, EV_MAX + 1, ev.code), 0); ck_assert_int_eq(libevdev_event_is_code(&ev, EV_REL, REL_MAX + 1), 0); ev.type = EV_SYN; ev.code = SYN_REPORT; ck_assert_int_eq(libevdev_event_is_code(&ev, EV_SYN, SYN_REPORT), 1); ck_assert_int_eq(libevdev_event_is_code(&ev, EV_SYN, SYN_DROPPED), 0); }
int main(int argc, char const *argv[]) { if (argc < 5) { printf("Usage: evmpd HOSTNAME PORT DEVICE HALT_COMMAND\n"); return EXIT_FAILURE; } struct mpd_connection *client = connect(argv[1], strtol(argv[2], NULL, 10)); struct libevdev *dev = NULL; int fd; int rc = 1; fd = open(argv[3], O_RDONLY | O_NONBLOCK); rc = libevdev_new_from_fd(fd, &dev); if (rc < 0) { fprintf(stderr, "Failed to init libevdev (%d)\n", strerror(-rc)); return EXIT_FAILURE; } printf("Input device name: \"%s\"\n", libevdev_get_name(dev)); printf("Input device ID: bus %#x vendor %#x product %#x\n", libevdev_get_id_bustype(dev), libevdev_get_id_vendor(dev), libevdev_get_id_product(dev)); do { struct input_event ev; rc = libevdev_next_event(dev, LIBEVDEV_READ_FLAG_NORMAL, &ev); if (rc == 0 && ev.value == 0) { if (libevdev_event_is_code(&ev, EV_KEY, KEY_F4)) { system(argv[4]); printf("shutdown\n"); } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_PLAYPAUSE)) { struct mpd_status *status = mpd_run_status(client); enum mpd_state state = mpd_status_get_state(status); if (state != MPD_STATE_PLAY && state != MPD_STATE_PAUSE) { mpd_run_play(client); printf("play\n"); } else { mpd_run_toggle_pause(client); printf("toggle-pause\n"); } } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_STOPCD)) { mpd_run_stop(client); printf("stop\n"); } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_PREVIOUSSONG)) { mpd_run_previous(client); printf("previous\n"); } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_NEXTSONG)) { mpd_run_next(client); printf("next\n"); } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_VOLUMEUP)) { struct mpd_status *status = mpd_run_status(client); int volume = mpd_status_get_volume(status); volume += 5; if (volume > 100) { volume = 100; } mpd_run_set_volume(client, volume); printf("set-volume %d\n", volume); } else if (libevdev_event_is_code(&ev, EV_KEY, KEY_VOLUMEDOWN)) { struct mpd_status *status = mpd_run_status(client); int volume = mpd_status_get_volume(status); volume -= 5; if (volume < 0) { volume = 0; } mpd_run_set_volume(client, volume); printf("set-volume %d\n", volume); } else { printf("Event: %s %s %d\n", libevdev_event_type_get_name(ev.type), libevdev_event_code_get_name(ev.type, ev.code), ev.value); } } } while (rc == LIBEVDEV_READ_STATUS_SUCCESS || rc == LIBEVDEV_READ_STATUS_SYNC || rc == -EAGAIN); printf("rc: %d\n", rc); if (client != NULL) { mpd_connection_free(client); } return EXIT_SUCCESS; }