unsigned int LXCB::NumberOfWorkspaces(){
xcb_get_property_cookie_t cookie = xcb_ewmh_get_number_of_desktops_unchecked(&EWMH, 0);
uint32_t number;
if(1==xcb_ewmh_get_number_of_desktops_reply(&EWMH, cookie, &number, NULL) ){
return number;
}else{
return 0; //unable to get this property
}
}
static int
widget_update (struct widget *widget, xcb_ewmh_connection_t *ewmh, int screen_nbr) {
unsigned short i;
uint32_t desktop_curr, desktop_len, client_desktop;
char desktop_name[COPY_PROP_BUFSIZ];
xcb_ewmh_get_utf8_strings_reply_t desktop_names;
xcb_ewmh_get_windows_reply_t clients;
xcb_icccm_wm_hints_t window_hints;
struct desktop *desktops;
/* get current desktop */
int desktop_curr_success = xcb_ewmh_get_current_desktop_reply(ewmh, xcb_ewmh_get_current_desktop_unchecked(ewmh, screen_nbr), &desktop_curr, NULL);
if (!desktop_curr_success) {
LOG_DEBUG("ewmh: could not get current desktop");
return 1;
}
/* get desktop count */
int desktop_len_success = xcb_ewmh_get_number_of_desktops_reply(ewmh, xcb_ewmh_get_number_of_desktops_unchecked(ewmh, screen_nbr), &desktop_len, NULL);
if (!desktop_len_success) {
LOG_DEBUG("ewmh: could not get desktop count");
return 2;
}
desktops = calloc(desktop_len, sizeof(struct desktop));
int desktop_names_success = xcb_ewmh_get_desktop_names_reply(ewmh, xcb_ewmh_get_desktop_names_unchecked(ewmh, screen_nbr), &desktop_names, NULL);
if (!desktop_names_success) {
LOG_DEBUG("ewmh: could not get desktop names");
}
for (i = 0; i < desktop_len; i++) {
desktops[i].is_selected = i == desktop_curr;
desktops[i].is_urgent = false;
desktops[i].clients_len = 0;
if (desktop_names_success && desktop_names.strings) {
copy_prop(desktop_name, desktop_names.strings, desktop_names.strings_len, i, desktop_len);
}
else {
snprintf(desktop_name, COPY_PROP_BUFSIZ - 1, "%i", i + 1);
}
desktops[i].name = strndup(desktop_name, strlen(desktop_name));
}
/* get clients */
int clients_success = xcb_ewmh_get_client_list_reply(ewmh, xcb_ewmh_get_client_list_unchecked(ewmh, screen_nbr), &clients, NULL);
if (!clients_success) {
LOG_DEBUG("ewmh: could not get client list");
}
else {
for (i = 0; i < clients.windows_len; i++) {
if (!xcb_ewmh_get_wm_desktop_reply(ewmh, xcb_ewmh_get_wm_desktop_unchecked(ewmh, clients.windows[i]), &client_desktop, NULL)) {
/* window isn't associated with a desktop */
continue;
}
desktops[client_desktop].clients_len++;
/* check icccm urgency hint on client */
if (!xcb_icccm_get_wm_hints_reply(ewmh->connection, xcb_icccm_get_wm_hints_unchecked(ewmh->connection, clients.windows[i]), &window_hints, NULL)) {
LOG_DEBUG("icccm: could not get window hints");
}
if (window_hints.flags & XCB_ICCCM_WM_HINT_X_URGENCY) {
desktops[client_desktop].is_urgent = true;
}
}
}
json_t *json_data_object = json_object();
json_t *json_desktops_array = json_array();
json_object_set_new(json_data_object, "desktops", json_desktops_array);
for (i = 0; i < desktop_len; i++) {
json_t *json_desktop = json_object();
json_object_set_new(json_desktop, "name", json_string(desktops[i].name));
json_object_set_new(json_desktop, "clients_len", json_integer(desktops[i].clients_len));
json_object_set_new(json_desktop, "is_urgent", json_boolean(desktops[i].is_urgent));
json_array_append_new(json_desktops_array, json_desktop);
if (desktops[i].is_selected) {
json_object_set_new(json_data_object, "current_desktop", json_integer(i));
}
}
char *json_str = strdup(json_dumps(json_data_object, 0));
widget_data_callback(widget, widget_data_arg_string(json_str));
json_decref(json_data_object);
free(json_str);
/* cleanup */
if (desktop_names_success) {
xcb_ewmh_get_utf8_strings_reply_wipe(&desktop_names);
}
if (clients_success) {
xcb_ewmh_get_windows_reply_wipe(&clients);
}
for (i = 0; i < desktop_len; i++) {
free(desktops[i].name);
}
free(desktops);
return 0;
}
