+ if (n == NULL)
+ return;
+
+ char line[MAXLEN];
+
+ for (unsigned int i = 0; i < depth; i++)
+ strncat(rsp, " ", REMLEN(rsp));
+
+ if (is_leaf(n)) {
+ client_t *c = n->client;
+ snprintf(line, sizeof(line), "%c %s %X %u %u %ux%u%+i%+i %c%c%c%c%c", (c->born_as == MODE_AUTOMATIC ? 'a' : 'm'), c->class_name, c->window, c->uid, c->border_width, c->floating_rectangle.width, c->floating_rectangle.height, c->floating_rectangle.x, c->floating_rectangle.y, (c->floating ? 'f' : '-'), (c->transient ? 't' : '-'), (c->fullscreen ? 'F' : '-'), (c->urgent ? 'u' : '-'), (c->locked ? 'l' : '-'));
+ } else {
+ snprintf(line, sizeof(line), "%c %.2f", (n->split_type == TYPE_HORIZONTAL ? 'H' : 'V'), n->split_ratio);
+ }
+
+ strncat(rsp, line, REMLEN(rsp));
+
+ if (n == d->focus)
+ strncat(rsp, " *\n", REMLEN(rsp));
+ else if (n == d->last_focus)
+ strncat(rsp, " ~\n", REMLEN(rsp));
+ else
+ strncat(rsp, "\n", REMLEN(rsp));
+
+ list(d, n->first_child, rsp, depth + 1);
+ list(d, n->second_child, rsp, depth + 1);
+}
+
+void restore(char *file_path)
+{
+ if (file_path == NULL)
+ return;
+
+ FILE *snapshot = fopen(file_path, "r");
+ if (snapshot == NULL) {
+ warn("restore: can't open file\n");
+ return;
+ }
+
+ char line[MAXLEN];
+ monitor_t *m = NULL;
+ desktop_t *d = NULL;
+ node_t *n = NULL;
+ num_clients = 0;
+ unsigned int level, last_level = 0, max_uid = 0;
+ bool aborted = false;
+
+ while (!aborted && fgets(line, sizeof(line), snapshot) != NULL) {
+ unsigned int len = strlen(line);
+ level = 0;
+ while (level < strlen(line) && isspace(line[level]))
+ level++;
+ if (level == 0) {
+ if (m == NULL)
+ m = mon_head;
+ else
+ m = m->next;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '#':
+ mon = m;
+ break;
+ case '~':
+ last_mon = m;
+ break;
+ }
+ } else if (level == 2) {
+ if (d == NULL)
+ d = m->desk_head;
+ else
+ d = d->next;
+ int i = len - 1;
+ while (i > 0 && !isupper(line[i]))
+ i--;
+ if (line[i] == 'M')
+ d->layout = LAYOUT_MONOCLE;
+ else if (line[i] == 'T')
+ d->layout = LAYOUT_TILED;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '@':
+ m->desk = d;
+ break;
+ case '~':
+ m->last_desk = d;
+ break;
+ }
+ } else {
+ node_t *birth = make_node();
+ if (level == 4) {
+ empty_desktop(d);
+ d->root = birth;
+ } else {
+ if (level > last_level) {
+ n->first_child = birth;
+ } else {
+ do {
+ n = n->parent;
+ } while (n != NULL && n->second_child != NULL);
+ if (n == NULL) {
+ warn("restore: file is malformed\n");
+ aborted = true;
+ }
+ n->second_child = birth;
+ }
+ birth->parent = n;
+ }
+ n = birth;
+
+ if (isupper(line[level])) {
+ char st;
+ sscanf(line + level, "%c %lf", &st, &n->split_ratio);
+ if (st == 'H')
+ n->split_type = TYPE_HORIZONTAL;
+ else if (st == 'V')
+ n->split_type = TYPE_VERTICAL;
+ } else {
+ client_t *c = make_client(XCB_NONE);
+ num_clients++;
+ char ba, floating, transient, fullscreen, urgent, locked;
+ sscanf(line + level, "%c %s %X %u %u %hux%hu%hi%hi %c%c%c%c%c", &ba, c->class_name, &c->window, &c->uid, &c->border_width, &c->floating_rectangle.width, &c->floating_rectangle.height, &c->floating_rectangle.x, &c->floating_rectangle.y, &floating, &transient, &fullscreen, &urgent, &locked);
+ if (ba == 'a')
+ c->born_as = MODE_AUTOMATIC;
+ else if (ba == 'm')
+ c->born_as = MODE_MANUAL;
+ c->floating = (floating == '-' ? false : true);
+ c->transient = (transient == '-' ? false : true);
+ c->fullscreen = (fullscreen == '-' ? false : true);
+ c->urgent = (urgent == '-' ? false : true);
+ c->locked = (locked == '-' ? false : true);
+ if (c->uid > max_uid)
+ max_uid = c->uid;
+ n->client = c;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '*':
+ d->focus = n;
+ break;
+ case '~':
+ d->last_focus = n;
+ break;
+ }
+ }
+ }
+ last_level = level;
+ }
+
+ if (!aborted) {
+ client_uid = max_uid + 1;
+ for (monitor_t *m = mon_head; m != NULL; m = m->next)
+ for (desktop_t *d = m->desk_head; d != NULL; d = d->next)
+ for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n)) {
+ uint32_t values[] = {(focus_follows_pointer ? CLIENT_EVENT_MASK_FFP : CLIENT_EVENT_MASK)};
+ xcb_change_window_attributes(dpy, n->client->window, XCB_CW_EVENT_MASK, values);
+ if (n->client->floating) {
+ n->vacant = true;
+ update_vacant_state(n->parent);
+ }
+ }
+ }
+
+ fclose(snapshot);