/** Perform cleanup on normal exit */
static void
exit_cleanup(void)
{
debug("Cleaning resources up");
/* Destroy CM window, thus giving up _NET_WM_CM_Sn ownership */
if(globalconf.cm_window != XCB_NONE)
xcb_destroy_window(globalconf.connection, globalconf.cm_window);
/* Free resources related to the plugins */
plugin_unload_all();
/* Destroy the linked-list of windows which has to be done after
unloading the plugins as the plugins may use the windows list to
free memory */
window_list_cleanup();
/* Free resources related to the rendering backend which has to be
done after the windows list cleanup as the latter free the
rendering information associated with each window */
rendering_unload();
/* Free resources related to the keymaps */
xcb_key_symbols_free(globalconf.keysyms);
/* Free resources related to EWMH */
xcb_ewmh_connection_wipe(&globalconf.ewmh);
cfg_free(globalconf.cfg);
free(globalconf.rendering_dir);
free(globalconf.plugins_dir);
xcb_disconnect(globalconf.connection);
}
void
_xcwm_atoms_release(xcwm_context_t *context)
{
/* Free the xcb_ewmh_connection_t */
xcb_ewmh_connection_wipe(&context->atoms.ewmh_conn);
/* Close the wm window */
xcb_destroy_window(context->conn, context->wm_cm_window);
}
static void
_eventd_nd_xcb_stop(EventdNdBackendContext *self)
{
if ( self->custom_map )
xcb_free_colormap(self->xcb_connection, self->map);
xcb_ewmh_connection_wipe(&self->ewmh);
g_hash_table_unref(self->bubbles);
g_water_xcb_source_free(self->source);
self->bubbles = NULL;
self->source = NULL;
}
X11AppContext::~X11AppContext()
{
if(xDisplay_) ::XFlush(&xDisplay());
xcb_ewmh_connection_wipe(&ewmhConnection());
impl_.reset();
if(xDummyWindow_) xcb_destroy_window(xConnection_, xDummyWindow_);
if(xDisplay_) ::XCloseDisplay(&xDisplay());
xDisplay_ = nullptr;
xConnection_ = nullptr;
xDefaultScreen_ = nullptr;
}
static void ya_cleanup_x() {
ya_bar_t * curbar = ya.curbar;
ya_block_t *curblk;
for(;curbar; curbar = curbar->next_bar) {
for (int align = 0; align < 3; align++) {
for (curblk = curbar->curblk[align]; curblk; curblk = curblk->next_blk) {
xcb_free_gc(ya.c, curblk->gc);
xcb_free_pixmap(ya.c, curblk->pixmap);
}
}
xcb_destroy_window(ya.c, curbar->win);
}
#ifdef YA_INTERNAL_EWMH
xcb_ewmh_connection_wipe(ya.ewmh);
#endif //YA_INTERNAL_EWMH
xcb_flush(ya.c);
xcb_disconnect(ya.c);
}
Ewmh(xcb_connection_t * const c)
{
m_ewmh = std::shared_ptr<xcb_ewmh_connection_t>(new xcb_ewmh_connection_t,
[](xcb_ewmh_connection_t * ec) {
xcb_ewmh_connection_wipe(ec);
std::free(ec);
});
xcb_intern_atom_cookie_t * cookies = xcb_ewmh_init_atoms(c, m_ewmh.get());
if (cookies) {
xcb_generic_error_t * error = NULL;
xcb_ewmh_init_atoms_replies(m_ewmh.get(), cookies, &error);
if (error) {
std::free(error);
std::free(cookies);
throw std::runtime_error(__PRETTY_FUNCTION__);
}
} else {
throw std::runtime_error(__PRETTY_FUNCTION__);
}
}
LXCB::~LXCB(){
xcb_ewmh_connection_wipe(&EWMH);
}
x_ewmh::~x_ewmh(void)
{
m_c.detach(XCB_PROPERTY_NOTIFY, this);
xcb_ewmh_connection_wipe(&m_ewmh);
}
int main(void)
{
fd_set descriptors;
char socket_path[BUFSIZ];
int sock_fd, ret_fd, dpy_fd, sel, n;
struct sockaddr_un sock_address;
char msg[BUFSIZ] = {0};
char rsp[BUFSIZ] = {0};
xcb_generic_event_t *event;
running = true;
dpy = xcb_connect(NULL, &default_screen);
if (xcb_connection_has_error(dpy))
die("error: cannot open display\n");
setup();
register_events();
dpy_fd = xcb_get_file_descriptor(dpy);
char *sp = getenv(SOCKET_ENV_VAR);
strncpy(socket_path, (sp == NULL ? DEFAULT_SOCKET_PATH : sp), sizeof(socket_path));
sock_address.sun_family = AF_UNIX;
strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path));
unlink(socket_path);
sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock_fd == -1)
die("error: could not create socket\n");
bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address));
listen(sock_fd, SOMAXCONN);
sel = MAX(sock_fd, dpy_fd) + 1;
load_settings();
run_autostart();
ewmh_update_wm_name();
update_root_dimensions();
while (running) {
xcb_flush(dpy);
FD_ZERO(&descriptors);
FD_SET(sock_fd, &descriptors);
FD_SET(dpy_fd, &descriptors);
if (select(sel, &descriptors, NULL, NULL, NULL)) {
if (FD_ISSET(sock_fd, &descriptors)) {
ret_fd = accept(sock_fd, NULL, 0);
if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
msg[n] = '\0';
process_message(msg, rsp);
send(ret_fd, rsp, strlen(rsp), 0);
close(ret_fd);
}
}
if (FD_ISSET(dpy_fd, &descriptors)) {
while ((event = xcb_poll_for_event(dpy)) != NULL) {
handle_event(event);
free(event);
}
}
}
if (xcb_connection_has_error(dpy)) {
die("connection has errors\n");
}
}
close(sock_fd);
xcb_ewmh_connection_wipe(ewmh);
free(ewmh);
xcb_flush(dpy);
xcb_disconnect(dpy);
return 0;
}
void*
widget_main (struct widget *widget) {
unsigned short i;
int xcb_fd;
int screen_nbr = 0;
xcb_connection_t *conn = xcb_connect(NULL, NULL);
xcb_ewmh_connection_t *ewmh = malloc(sizeof(xcb_ewmh_connection_t));
struct epoll_event xcb_event;
widget_epoll_init(widget);
if (xcb_connection_has_error(conn)) {
LOG_ERR("could not connect to display %s", getenv("DISPLAY"));
goto cleanup;
}
xcb_intern_atom_cookie_t *ewmh_cookie = xcb_ewmh_init_atoms(conn, ewmh);
xcb_ewmh_init_atoms_replies(ewmh, ewmh_cookie, NULL);
uint32_t values[] = { XCB_EVENT_MASK_PROPERTY_CHANGE };
xcb_generic_event_t *evt;
xcb_generic_error_t *err = xcb_request_check(ewmh->connection,
xcb_change_window_attributes_checked(ewmh->connection,
ewmh->screens[screen_nbr]->root,
XCB_CW_EVENT_MASK,
values));
if (err != NULL) {
LOG_ERR("could not request EWMH property change notifications");
goto cleanup;
}
xcb_fd = xcb_get_file_descriptor(ewmh->connection);
xcb_event.data.fd = xcb_fd;
xcb_event.events = EPOLLIN | EPOLLET;
if (epoll_ctl(efd, EPOLL_CTL_ADD, xcb_fd, &xcb_event) == -1) {
LOG_ERR("failed to add fd to epoll instance: %s", strerror(errno));
return 0;
}
widget_update(widget, ewmh, screen_nbr);
while (true) {
while ((nfds = epoll_wait(efd, events, MAX_EVENTS, -1)) > 0) {
for (i = 0; i < nfds; i++) {
if (events[i].data.fd == widget->bar->efd) {
goto cleanup;
}
}
while ((evt = xcb_poll_for_event(ewmh->connection)) != NULL) {
xcb_property_notify_event_t *pne;
switch (XCB_EVENT_RESPONSE_TYPE(evt)) {
case XCB_PROPERTY_NOTIFY:
pne = (xcb_property_notify_event_t*)evt;
if (pne->atom == ewmh->_NET_DESKTOP_NAMES) {
widget_update(widget, ewmh, screen_nbr);
}
else if (pne->atom == ewmh->_NET_NUMBER_OF_DESKTOPS) {
widget_update(widget, ewmh, screen_nbr);
}
else if (pne->atom == ewmh->_NET_CURRENT_DESKTOP) {
widget_update(widget, ewmh, screen_nbr);
}
default:
break;
}
free(evt);
}
}
}
cleanup:
if (ewmh != NULL) {
xcb_ewmh_connection_wipe(ewmh);
}
if (conn != NULL) {
xcb_disconnect(conn);
}
widget_epoll_cleanup(widget);
widget_clean_exit(widget);
}
int main(int argc, char *argv[])
{
bool snoop = false;
char *format = NULL;
char opt;
while ((opt = getopt(argc, argv, "hvsf:")) != -1) {
switch (opt) {
case 'h':
printf("xtitle [-h|-v|-s|-f FORMAT] [WID ...]\n");
return EXIT_SUCCESS;
break;
case 'v':
printf("%s\n", VERSION);
return EXIT_SUCCESS;
break;
case 's':
snoop = true;
break;
case 'f':
format = optarg;
break;
}
}
int num = argc - optind;
char **args = argv + optind;
setup();
char title[MAXLEN] = {0};
if (num > 0) {
char *end;
for (int i = 0; i < num; i++) {
errno = 0;
long int wid = strtol(args[i], &end, 0);
if (errno != 0 || *end != '\0')
warn("Invalid window ID: '%s'.\n", args[i]);
else
output_title(wid, format, title, sizeof(title));
}
} else {
xcb_window_t win = XCB_NONE;
if (get_active_window(&win))
output_title(win, format, title, sizeof(title));
if (snoop) {
signal(SIGINT, hold);
signal(SIGHUP, hold);
signal(SIGTERM, hold);
watch(root, true);
watch(win, true);
xcb_window_t last_win = XCB_NONE;
fd_set descriptors;
int fd = xcb_get_file_descriptor(dpy);
running = true;
xcb_flush(dpy);
while (running) {
FD_ZERO(&descriptors);
FD_SET(fd, &descriptors);
if (select(fd + 1, &descriptors, NULL, NULL, NULL) > 0) {
xcb_generic_event_t *evt;
while ((evt = xcb_poll_for_event(dpy)) != NULL) {
if (title_changed(evt, &win, &last_win))
output_title(win, format, title, sizeof(title));
free(evt);
}
}
if (xcb_connection_has_error(dpy)) {
warn("The server closed the connection.\n");
running = false;
}
}
}
}
xcb_ewmh_connection_wipe(ewmh);
free(ewmh);
xcb_disconnect(dpy);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[])
{
if (argc == 2 && strcmp(argv[1], "-v") == 0) {
printf("%s\n", VERSION);
exit(EXIT_SUCCESS);
}
fd_set descriptors;
char socket_path[MAXLEN];
int sock_fd, ret_fd, dpy_fd, sel, n;
struct sockaddr_un sock_address;
size_t rsplen = 0;
char msg[BUFSIZ] = {0};
char rsp[BUFSIZ] = {0};
xcb_generic_event_t *event;
running = true;
dpy = xcb_connect(NULL, &default_screen);
if (xcb_connection_has_error(dpy))
err("error: cannot open display\n");
setup();
register_events();
dpy_fd = xcb_get_file_descriptor(dpy);
char *sp = getenv(SOCKET_ENV_VAR);
strncpy(socket_path, (sp == NULL ? DEFAULT_SOCKET_PATH : sp), sizeof(socket_path));
sock_address.sun_family = AF_UNIX;
strncpy(sock_address.sun_path, socket_path, sizeof(sock_address.sun_path));
unlink(socket_path);
sock_fd = socket(AF_UNIX, SOCK_STREAM, 0);
if (sock_fd == -1)
err("error: could not create socket\n");
bind(sock_fd, (struct sockaddr *) &sock_address, sizeof(sock_address));
listen(sock_fd, SOMAXCONN);
sel = MAX(sock_fd, dpy_fd) + 1;
load_settings();
run_autostart();
grab_buttons();
ewmh_update_wm_name();
while (running) {
xcb_flush(dpy);
FD_ZERO(&descriptors);
FD_SET(sock_fd, &descriptors);
FD_SET(dpy_fd, &descriptors);
if (select(sel, &descriptors, NULL, NULL, NULL)) {
if (FD_ISSET(sock_fd, &descriptors)) {
ret_fd = accept(sock_fd, NULL, 0);
if (ret_fd > 0 && (n = recv(ret_fd, msg, sizeof(msg), 0)) > 0) {
msg[n] = '\0';
process_message(msg, rsp);
rsplen = strlen(rsp);
if (rsp[rsplen - 1] == '\n')
rsp[--rsplen] = '\0';
send(ret_fd, rsp, rsplen, 0);
close(ret_fd);
rsp[0] = '\0';
}
}
if (FD_ISSET(dpy_fd, &descriptors)) {
while ((event = xcb_poll_for_event(dpy)) != NULL) {
handle_event(event);
free(event);
}
}
}
if (xcb_connection_has_error(dpy)) {
err("connection has errors\n");
}
}
close(sock_fd);
xcb_ewmh_connection_wipe(ewmh);
free(ewmh);
xcb_flush(dpy);
xcb_disconnect(dpy);
return 0;
}
Compositor::~Compositor()
{
xcb_ewmh_connection_wipe(&ewmh_);
}