src/query.c

   1 /* Copyright (c) 2012, Bastien Dejean
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *
   7  * 1. Redistributions of source code must retain the above copyright notice, this
   8  *    list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright notice,
  10  *    this list of conditions and the following disclaimer in the documentation
  11  *    and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include "bspwm.h"
  29 #include "desktop.h"
  30 #include "history.h"
  31 #include "parse.h"
  32 #include "monitor.h"
  33 #include "window.h"
  34 #include "tree.h"
  35 #include "query.h"
  36 #include "geometry.h"
  37
  38 void query_state(FILE *rsp)
  39 {
  40         fprintf(rsp, "{");
  41         fprintf(rsp, "\"focusedMonitorId\":%u,", mon->id);
  42         if (pri_mon != NULL) {
  43                 fprintf(rsp, "\"primaryMonitorId\":%u,", pri_mon->id);
  44         }
  45         fprintf(rsp, "\"clientsCount\":%i,", clients_count);
  46         fprintf(rsp, "\"monitors\":");
  47         fprintf(rsp, "[");
  48         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
  49                 query_monitor(m, rsp);
  50                 if (m->next != NULL) {
  51                         fprintf(rsp, ",");
  52                 }
  53         }
  54         fprintf(rsp, "]");
  55         fprintf(rsp,",");
  56         fprintf(rsp, "\"focusHistory\":");
  57         query_history(rsp);
  58         fprintf(rsp,",");
  59         fprintf(rsp, "\"stackingList\":");
  60         query_stack(rsp);
  61         if (restart) {
  62                 fprintf(rsp,",");
  63                 fprintf(rsp, "\"eventSubscribers\":");
  64                 query_subscribers(rsp);
  65         }
  66         fprintf(rsp, "}");
  67 }
  68
  69 void query_monitor(monitor_t *m, FILE *rsp)
  70 {
  71         fprintf(rsp, "{");
  72         fprintf(rsp, "\"name\":\"%s\",", m->name);
  73         fprintf(rsp, "\"id\":%u,", m->id);
  74         fprintf(rsp, "\"randrId\":%u,", m->randr_id);
  75         fprintf(rsp, "\"wired\":%s,", BOOL_STR(m->wired));
  76         fprintf(rsp, "\"stickyCount\":%i,", m->sticky_count);
  77         fprintf(rsp, "\"windowGap\":%i,", m->window_gap);
  78         fprintf(rsp, "\"borderWidth\":%u,", m->border_width);
  79         fprintf(rsp, "\"focusedDesktopId\":%u,", m->desk->id);
  80         fprintf(rsp, "\"padding\":");
  81         query_padding(m->padding, rsp);
  82         fprintf(rsp,",");
  83         fprintf(rsp, "\"rectangle\":");
  84         query_rectangle(m->rectangle, rsp);
  85         fprintf(rsp,",");
  86         fprintf(rsp, "\"desktops\":");
  87         fprintf(rsp, "[");
  88         for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
  89                 query_desktop(d, rsp);
  90                 if (d->next != NULL) {
  91                         fprintf(rsp,",");
  92                 }
  93         }
  94         fprintf(rsp, "]");
  95         fprintf(rsp, "}");
  96 }
  97
  98 void query_desktop(desktop_t *d, FILE *rsp)
  99 {
 100         fprintf(rsp, "{");
 101         fprintf(rsp, "\"name\":\"%s\",", d->name);
 102         fprintf(rsp, "\"id\":%u,", d->id);
 103         fprintf(rsp, "\"layout\":\"%s\",", LAYOUT_STR(d->layout));
 104         fprintf(rsp, "\"userLayout\":\"%s\",", LAYOUT_STR(d->user_layout));
 105         fprintf(rsp, "\"windowGap\":%i,", d->window_gap);
 106         fprintf(rsp, "\"borderWidth\":%u,", d->border_width);
 107         fprintf(rsp, "\"focusedNodeId\":%u,", d->focus != NULL ? d->focus->id : 0);
 108         fprintf(rsp, "\"padding\":");
 109         query_padding(d->padding, rsp);
 110         fprintf(rsp,",");
 111         fprintf(rsp, "\"root\":");
 112         query_node(d->root, rsp);
 113         fprintf(rsp, "}");
 114 }
 115
 116 void query_node(node_t *n, FILE *rsp)
 117 {
 118         if (n == NULL) {
 119                 fprintf(rsp, "null");
 120         } else {
 121                 fprintf(rsp, "{");
 122                 fprintf(rsp, "\"id\":%u,", n->id);
 123                 fprintf(rsp, "\"splitType\":\"%s\",", SPLIT_TYPE_STR(n->split_type));
 124                 fprintf(rsp, "\"splitRatio\":%lf,", n->split_ratio);
 125                 fprintf(rsp, "\"vacant\":%s,", BOOL_STR(n->vacant));
 126                 fprintf(rsp, "\"hidden\":%s,", BOOL_STR(n->hidden));
 127                 fprintf(rsp, "\"sticky\":%s,", BOOL_STR(n->sticky));
 128                 fprintf(rsp, "\"private\":%s,", BOOL_STR(n->private));
 129                 fprintf(rsp, "\"locked\":%s,", BOOL_STR(n->locked));
 130                 fprintf(rsp, "\"marked\":%s,", BOOL_STR(n->marked));
 131                 fprintf(rsp, "\"presel\":");
 132                 query_presel(n->presel, rsp);
 133                 fprintf(rsp,",");
 134                 fprintf(rsp, "\"rectangle\":");
 135                 query_rectangle(n->rectangle, rsp);
 136                 fprintf(rsp,",");
 137                 fprintf(rsp, "\"constraints\":");
 138                 query_constraints(n->constraints, rsp);
 139                 fprintf(rsp,",");
 140                 fprintf(rsp, "\"firstChild\":");
 141                 query_node(n->first_child, rsp);
 142                 fprintf(rsp,",");
 143                 fprintf(rsp, "\"secondChild\":");
 144                 query_node(n->second_child, rsp);
 145                 fprintf(rsp,",");
 146                 fprintf(rsp, "\"client\":");
 147                 query_client(n->client, rsp);
 148                 fprintf(rsp, "}");
 149         }
 150 }
 151
 152 void query_presel(presel_t *p, FILE *rsp)
 153 {
 154         if (p == NULL) {
 155                 fprintf(rsp, "null");
 156         } else {
 157                 fprintf(rsp, "{\"splitDir\":\"%s\",\"splitRatio\":%lf}", SPLIT_DIR_STR(p->split_dir), p->split_ratio);
 158         }
 159 }
 160
 161 void query_client(client_t *c, FILE *rsp)
 162 {
 163         if (c == NULL) {
 164                 fprintf(rsp, "null");
 165         } else {
 166                 fprintf(rsp, "{");
 167                 fprintf(rsp, "\"className\":\"%s\",", c->class_name);
 168                 fprintf(rsp, "\"instanceName\":\"%s\",", c->instance_name);
 169                 fprintf(rsp, "\"borderWidth\":%u,", c->border_width);
 170                 fprintf(rsp, "\"state\":\"%s\",", STATE_STR(c->state));
 171                 fprintf(rsp, "\"lastState\":\"%s\",", STATE_STR(c->last_state));
 172                 fprintf(rsp, "\"layer\":\"%s\",", LAYER_STR(c->layer));
 173                 fprintf(rsp, "\"lastLayer\":\"%s\",", LAYER_STR(c->last_layer));
 174                 fprintf(rsp, "\"urgent\":%s,", BOOL_STR(c->urgent));
 175                 fprintf(rsp, "\"shown\":%s,", BOOL_STR(c->shown));
 176                 fprintf(rsp, "\"tiledRectangle\":");
 177                 query_rectangle(c->tiled_rectangle, rsp);
 178                 fprintf(rsp,",");
 179                 fprintf(rsp, "\"floatingRectangle\":");
 180                 query_rectangle(c->floating_rectangle, rsp);
 181                 fprintf(rsp, "}");
 182         }
 183 }
 184
 185 void query_rectangle(xcb_rectangle_t r, FILE *rsp)
 186 {
 187         fprintf(rsp, "{\"x\":%i,\"y\":%i,\"width\":%u,\"height\":%u}", r.x, r.y, r.width, r.height);
 188 }
 189
 190 void query_constraints(constraints_t c, FILE *rsp)
 191 {
 192         fprintf(rsp, "{\"min_width\":%u,\"min_height\":%u}", c.min_width, c.min_height);
 193 }
 194
 195 void query_padding(padding_t p, FILE *rsp)
 196 {
 197         fprintf(rsp, "{\"top\":%i,\"right\":%i,\"bottom\":%i,\"left\":%i}", p.top, p.right, p.bottom, p.left);
 198 }
 199
 200 void query_history(FILE *rsp)
 201 {
 202         fprintf(rsp, "[");
 203         for (history_t *h = history_head; h != NULL; h = h->next) {
 204                 query_coordinates(&h->loc, rsp);
 205                 if (h->next != NULL) {
 206                         fprintf(rsp, ",");
 207                 }
 208         }
 209         fprintf(rsp, "]");
 210 }
 211
 212 void query_coordinates(coordinates_t *loc, FILE *rsp)
 213 {
 214         fprintf(rsp, "{\"monitorId\":%u,\"desktopId\":%u,\"nodeId\":%u}", loc->monitor->id, loc->desktop->id, loc->node!=NULL?loc->node->id:0);
 215 }
 216
 217 void query_stack(FILE *rsp)
 218 {
 219         fprintf(rsp, "[");
 220         for (stacking_list_t *s = stack_head; s != NULL; s = s->next) {
 221                 fprintf(rsp, "%u", s->node->id);
 222                 if (s->next != NULL) {
 223                         fprintf(rsp, ",");
 224                 }
 225         }
 226         fprintf(rsp, "]");
 227 }
 228
 229 void query_subscribers(FILE *rsp)
 230 {
 231         fprintf(rsp, "[");
 232         for (subscriber_list_t *s = subscribe_head; s != NULL; s = s->next) {
 233                 fprintf(rsp, "{\"fileDescriptor\": %i", fileno(s->stream));
 234                 if (s->fifo_path != NULL) {
 235                         fprintf(rsp, ",\"fifoPath\":\"%s\"", s->fifo_path);
 236                 }
 237                 fprintf(rsp, ",\"field\":%i,\"count\":%i}", s->field, s->count);
 238                 if (s->next != NULL) {
 239                         fprintf(rsp, ",");
 240                 }
 241         }
 242         fprintf(rsp, "]");
 243 }
 244
 245 int query_node_ids(coordinates_t *ref, coordinates_t *trg, monitor_select_t *mon_sel, desktop_select_t *desk_sel, node_select_t *sel, FILE *rsp)
 246 {
 247         int count = 0;
 248         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 249                 coordinates_t loc = {m, NULL, NULL};
 250                 if ((trg->monitor != NULL && m != trg->monitor) ||
 251                     (mon_sel != NULL && !monitor_matches(&loc, ref, mon_sel))) {
 252                         continue;
 253                 }
 254                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 255                         coordinates_t loc = {m, d, NULL};
 256                         if ((trg->desktop != NULL && d != trg->desktop) ||
 257                             (desk_sel != NULL && !desktop_matches(&loc, ref, desk_sel))) {
 258                                 continue;
 259                         }
 260                         count += query_node_ids_in(d->root, d, m, ref, trg, sel, rsp);
 261                 }
 262         }
 263         return count;
 264 }
 265
 266 int query_node_ids_in(node_t *n, desktop_t *d, monitor_t *m, coordinates_t *ref, coordinates_t *trg, node_select_t *sel, FILE *rsp)
 267 {
 268         int count = 0;
 269         if (n == NULL) {
 270                 return 0;
 271         } else {
 272                 coordinates_t loc = {m, d, n};
 273                 if ((trg->node == NULL || n == trg->node) &&
 274                     (sel == NULL || node_matches(&loc, ref, sel))) {
 275                         fprintf(rsp, "0x%08X\n", n->id);
 276                         count++;
 277                 }
 278                 count += query_node_ids_in(n->first_child, d, m, ref, trg, sel, rsp);
 279                 count += query_node_ids_in(n->second_child, d, m, ref, trg, sel, rsp);
 280         }
 281         return count;
 282 }
 283
 284 int query_desktop_ids(coordinates_t *ref, coordinates_t *trg, monitor_select_t *mon_sel, desktop_select_t *sel, desktop_printer_t printer, FILE *rsp)
 285 {
 286         int count = 0;
 287         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 288                 coordinates_t loc = {m, NULL, NULL};
 289                 if ((trg->monitor != NULL && m != trg->monitor) ||
 290                     (mon_sel != NULL && !monitor_matches(&loc, ref, mon_sel))) {
 291                         continue;
 292                 }
 293                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 294                         coordinates_t loc = {m, d, NULL};
 295                         if ((trg->desktop != NULL && d != trg->desktop) ||
 296                             (sel != NULL && !desktop_matches(&loc, ref, sel))) {
 297                                 continue;
 298                         }
 299                         printer(d, rsp);
 300                         count++;
 301                 }
 302         }
 303         return count;
 304 }
 305
 306 int query_monitor_ids(coordinates_t *ref, coordinates_t *trg, monitor_select_t *sel, monitor_printer_t printer, FILE *rsp)
 307 {
 308         int count = 0;
 309         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 310                 coordinates_t loc = {m, NULL, NULL};
 311                 if ((trg->monitor != NULL && m != trg->monitor) ||
 312                     (sel != NULL && !monitor_matches(&loc, ref, sel))) {
 313                         continue;
 314                 }
 315                 printer(m, rsp);
 316                 count++;
 317         }
 318         return count;
 319 }
 320
 321 void fprint_monitor_id(monitor_t *m, FILE *rsp)
 322 {
 323         fprintf(rsp, "0x%08X\n", m->id);
 324 }
 325
 326 void fprint_monitor_name(monitor_t *m, FILE *rsp)
 327 {
 328         fprintf(rsp, "%s\n", m->name);
 329 }
 330
 331 void fprint_desktop_id(desktop_t *d, FILE *rsp)
 332 {
 333         fprintf(rsp, "0x%08X\n", d->id);
 334 }
 335
 336 void fprint_desktop_name(desktop_t *d, FILE *rsp)
 337 {
 338         fprintf(rsp, "%s\n", d->name);
 339 }
 340
 341 void print_ignore_request(state_transition_t st, FILE *rsp)
 342 {
 343         if (st == 0) {
 344                 fprintf(rsp, "none");
 345         } else {
 346                 unsigned int cnt = 0;
 347                 if (st & STATE_TRANSITION_ENTER) {
 348                         fprintf(rsp, "enter");
 349                         cnt++;
 350                 }
 351                 if (st & STATE_TRANSITION_EXIT) {
 352                         fprintf(rsp, "%sexit", cnt > 0 ? "," : "");
 353                 }
 354         }
 355 }
 356
 357 void print_modifier_mask(uint16_t m, FILE *rsp)
 358 {
 359         switch (m) {
 360                 case XCB_MOD_MASK_SHIFT:
 361                         fprintf(rsp, "shift");
 362                         break;
 363                 case XCB_MOD_MASK_CONTROL:
 364                         fprintf(rsp, "control");
 365                         break;
 366                 case XCB_MOD_MASK_LOCK:
 367                         fprintf(rsp, "lock");
 368                         break;
 369                 case XCB_MOD_MASK_1:
 370                         fprintf(rsp, "mod1");
 371                         break;
 372                 case XCB_MOD_MASK_2:
 373                         fprintf(rsp, "mod2");
 374                         break;
 375                 case XCB_MOD_MASK_3:
 376                         fprintf(rsp, "mod3");
 377                         break;
 378                 case XCB_MOD_MASK_4:
 379                         fprintf(rsp, "mod4");
 380                         break;
 381                 case XCB_MOD_MASK_5:
 382                         fprintf(rsp, "mod5");
 383                         break;
 384         }
 385 }
 386
 387 void print_button_index(int8_t b, FILE *rsp)
 388 {
 389         switch (b) {
 390                 case XCB_BUTTON_INDEX_ANY:
 391                         fprintf(rsp, "any");
 392                         break;
 393                 case XCB_BUTTON_INDEX_1:
 394                         fprintf(rsp, "button1");
 395                         break;
 396                 case XCB_BUTTON_INDEX_2:
 397                         fprintf(rsp, "button2");
 398                         break;
 399                 case XCB_BUTTON_INDEX_3:
 400                         fprintf(rsp, "button3");
 401                         break;
 402                 case -1:
 403                         fprintf(rsp, "none");
 404                         break;
 405         }
 406 }
 407
 408 void print_pointer_action(pointer_action_t a, FILE *rsp)
 409 {
 410         switch (a) {
 411                 case ACTION_MOVE:
 412                         fprintf(rsp, "move");
 413                         break;
 414                 case ACTION_RESIZE_SIDE:
 415                         fprintf(rsp, "resize_side");
 416                         break;
 417                 case ACTION_RESIZE_CORNER:
 418                         fprintf(rsp, "resize_corner");
 419                         break;
 420                 case ACTION_FOCUS:
 421                         fprintf(rsp, "focus");
 422                         break;
 423                 case ACTION_NONE:
 424                         fprintf(rsp, "none");
 425                         break;
 426         }
 427 }
 428
 429 void print_rule_consequence(char **buf, rule_consequence_t *csq)
 430 {
 431         char *rect_buf = NULL;
 432         print_rectangle(&rect_buf, csq->rect);
 433         if (rect_buf == NULL) {
 434                 rect_buf = malloc(1);
 435                 *rect_buf = '\0';
 436         }
 437         asprintf(buf, "monitor=%s desktop=%s node=%s state=%s layer=%s split_dir=%s split_ratio=%lf hidden=%s sticky=%s private=%s locked=%s marked=%s center=%s follow=%s manage=%s focus=%s border=%s rectangle=%s",
 438                 csq->monitor_desc, csq->desktop_desc, csq->node_desc,
 439                 csq->state == NULL ? "" : STATE_STR(*csq->state),
 440                 csq->layer == NULL ? "" : LAYER_STR(*csq->layer),
 441                 csq->split_dir, csq->split_ratio,
 442                 ON_OFF_STR(csq->hidden), ON_OFF_STR(csq->sticky), ON_OFF_STR(csq->private),
 443                 ON_OFF_STR(csq->locked), ON_OFF_STR(csq->marked), ON_OFF_STR(csq->center), ON_OFF_STR(csq->follow),
 444                 ON_OFF_STR(csq->manage), ON_OFF_STR(csq->focus), ON_OFF_STR(csq->border), rect_buf);
 445         free(rect_buf);
 446 }
 447
 448 void print_rectangle(char **buf, xcb_rectangle_t *rect)
 449 {
 450         if (rect != NULL) {
 451                 asprintf(buf, "%hux%hu+%hi+%hi", rect->width, rect->height, rect->x, rect->y);
 452         }
 453 }
 454
 455 node_select_t make_node_select(void)
 456 {
 457         node_select_t sel = {
 458                 .automatic = OPTION_NONE,
 459                 .focused = OPTION_NONE,
 460                 .active = OPTION_NONE,
 461                 .local = OPTION_NONE,
 462                 .leaf = OPTION_NONE,
 463                 .window = OPTION_NONE,
 464                 .tiled = OPTION_NONE,
 465                 .pseudo_tiled = OPTION_NONE,
 466                 .floating = OPTION_NONE,
 467                 .fullscreen = OPTION_NONE,
 468                 .hidden = OPTION_NONE,
 469                 .sticky = OPTION_NONE,
 470                 .private = OPTION_NONE,
 471                 .locked = OPTION_NONE,
 472                 .marked = OPTION_NONE,
 473                 .urgent = OPTION_NONE,
 474                 .same_class = OPTION_NONE,
 475                 .descendant_of = OPTION_NONE,
 476                 .ancestor_of = OPTION_NONE,
 477                 .below = OPTION_NONE,
 478                 .normal = OPTION_NONE,
 479                 .above = OPTION_NONE,
 480                 .horizontal = OPTION_NONE,
 481                 .vertical = OPTION_NONE
 482         };
 483         return sel;
 484 }
 485
 486 desktop_select_t make_desktop_select(void)
 487 {
 488         desktop_select_t sel = {
 489                 .occupied = OPTION_NONE,
 490                 .focused = OPTION_NONE,
 491                 .active = OPTION_NONE,
 492                 .urgent = OPTION_NONE,
 493                 .local = OPTION_NONE
 494         };
 495         return sel;
 496 }
 497
 498 monitor_select_t make_monitor_select(void)
 499 {
 500         monitor_select_t sel = {
 501                 .occupied = OPTION_NONE,
 502                 .focused = OPTION_NONE
 503         };
 504         return sel;
 505 }
 506
 507 int node_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
 508 {
 509         coordinates_t ref_copy = *ref;
 510         ref = &ref_copy;
 511         char *desc_copy = copy_string(desc, strlen(desc));
 512         desc = desc_copy;
 513
 514         char *hash = strrchr(desc, '#');
 515         char *path = strrchr(desc, '@');
 516         char *colon = strrchr(desc, ':');
 517
 518         /* Discard hashes inside a DESKTOP_SEL */
 519         if (hash != NULL && colon != NULL && path != NULL &&
 520             path < hash && hash < colon) {
 521                 if (path > desc && *(path - 1) == '#') {
 522                         hash = path - 1;
 523                 } else {
 524                         hash = NULL;
 525                 }
 526         }
 527
 528         if (hash != NULL) {
 529                 *hash = '\0';
 530                 int ret;
 531                 coordinates_t tmp = {mon, mon->desk, mon->desk->focus};
 532                 if ((ret = node_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
 533                         desc = hash + 1;
 534                 } else {
 535                         free(desc_copy);
 536                         return ret;
 537                 }
 538         }
 539
 540         node_select_t sel = make_node_select();
 541
 542         if (!parse_node_modifiers(colon != NULL ? colon : desc, &sel)) {
 543                 free(desc_copy);
 544                 return SELECTOR_BAD_MODIFIERS;
 545         }
 546
 547         dst->node = NULL;
 548
 549         direction_t dir;
 550         cycle_dir_t cyc;
 551         history_dir_t hdi;
 552         if (parse_direction(desc, &dir)) {
 553                 find_nearest_neighbor(ref, dst, dir, &sel);
 554         } else if (parse_cycle_direction(desc, &cyc)) {
 555                 find_closest_node(ref, dst, cyc, &sel);
 556         } else if (parse_history_direction(desc, &hdi)) {
 557                 history_find_node(hdi, ref, dst, &sel);
 558         } else if (streq("any", desc)) {
 559                 find_any_node(ref, dst, &sel);
 560         } else if (streq("first_ancestor", desc)) {
 561                 find_first_ancestor(ref, dst, &sel);
 562         } else if (streq("last", desc)) {
 563                 history_find_node(HISTORY_OLDER, ref, dst, &sel);
 564         } else if (streq("newest", desc)) {
 565                 history_find_newest_node(ref, dst, &sel);
 566         } else if (streq("biggest", desc)) {
 567                 find_by_area(AREA_BIGGEST, ref, dst, &sel);
 568         } else if (streq("smallest", desc)) {
 569                 find_by_area(AREA_SMALLEST, ref, dst, &sel);
 570         } else if (streq("pointed", desc)) {
 571                 xcb_window_t win = XCB_NONE;
 572                 query_pointer(&win, NULL);
 573                 if (locate_window(win, dst) && node_matches(dst, ref, &sel)) {
 574                         return SELECTOR_OK;
 575                 } else {
 576                         return SELECTOR_INVALID;
 577                 }
 578         } else if (streq("focused", desc)) {
 579                 coordinates_t loc = {mon, mon->desk, mon->desk->focus};
 580                 if (node_matches(&loc, ref, &sel)) {
 581                         *dst = loc;
 582                 }
 583         } else if (*desc == '@') {
 584                 desc++;
 585                 *dst = *ref;
 586                 if (colon != NULL) {
 587                         *colon = '\0';
 588                         int ret;
 589                         if ((ret = desktop_from_desc(desc, ref, dst)) == SELECTOR_OK) {
 590                                 dst->node = dst->desktop->focus;
 591                                 desc = colon + 1;
 592                         } else {
 593                                 free(desc_copy);
 594                                 return ret;
 595                         }
 596                 }
 597                 if (*desc == '/') {
 598                         dst->node = dst->desktop->root;
 599                 }
 600                 char *move = strtok(desc, PTH_TOK);
 601                 while (move != NULL && dst->node != NULL) {
 602                         if (streq("first", move) || streq("1", move)) {
 603                                 dst->node = dst->node->first_child;
 604                         } else if (streq("second", move) || streq("2", move)) {
 605                                 dst->node = dst->node->second_child;
 606                         } else if (streq("parent", move)) {
 607                                 dst->node = dst->node->parent;
 608                         } else if (streq("brother", move)) {
 609                                 dst->node = brother_tree(dst->node);
 610                         } else {
 611                                 direction_t dir;
 612                                 if (parse_direction(move, &dir)) {
 613                                         dst->node = find_fence(dst->node, dir);
 614                                 } else {
 615                                         free(desc_copy);
 616                                         return SELECTOR_BAD_DESCRIPTOR;
 617                                 }
 618                         }
 619                         move = strtok(NULL, PTH_TOK);
 620                 }
 621                 free(desc_copy);
 622                 if (dst->node != NULL) {
 623                         if (node_matches(dst, ref, &sel)) {
 624                                 return SELECTOR_OK;
 625                         } else {
 626                                 return SELECTOR_INVALID;
 627                         }
 628                 } else if (dst->desktop->root != NULL) {
 629                         return SELECTOR_INVALID;
 630                 }
 631                 return SELECTOR_OK;
 632         } else {
 633                 uint32_t id;
 634                 if (parse_id(desc, &id)) {
 635                         free(desc_copy);
 636                         if (find_by_id(id, dst) && node_matches(dst, ref, &sel)) {
 637                                 return SELECTOR_OK;
 638                         } else {
 639                                 return SELECTOR_INVALID;
 640                         }
 641                 } else {
 642                         free(desc_copy);
 643                         return SELECTOR_BAD_DESCRIPTOR;
 644                 }
 645         }
 646
 647         free(desc_copy);
 648
 649         if (dst->node == NULL) {
 650                 return SELECTOR_INVALID;
 651         }
 652
 653         return SELECTOR_OK;
 654 }
 655
 656 int desktop_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
 657 {
 658         if (*desc == '%') {
 659                 locate_desktop(desc + 1, dst);
 660                 goto end;
 661         }
 662
 663         coordinates_t ref_copy = *ref;
 664         ref = &ref_copy;
 665         char *desc_copy = copy_string(desc, strlen(desc));
 666         desc = desc_copy;
 667
 668         char *hash = strrchr(desc, '#');
 669
 670         if (hash != NULL) {
 671                 *hash = '\0';
 672                 int ret;
 673                 coordinates_t tmp = {mon, mon->desk, NULL};
 674                 if ((ret = desktop_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
 675                         desc = hash + 1;
 676                 } else {
 677                         free(desc_copy);
 678                         return ret;
 679                 }
 680         }
 681
 682         desktop_select_t sel = make_desktop_select();
 683         char *colon = strrchr(desc, ':');
 684
 685         if (!parse_desktop_modifiers(colon != NULL ? colon : desc, &sel)) {
 686                 free(desc_copy);
 687                 return SELECTOR_BAD_MODIFIERS;
 688         }
 689
 690         dst->desktop = NULL;
 691
 692         cycle_dir_t cyc;
 693         history_dir_t hdi;
 694         uint16_t idx;
 695         uint32_t id;
 696         if (parse_cycle_direction(desc, &cyc)) {
 697                 find_closest_desktop(ref, dst, cyc, &sel);
 698         } else if (parse_history_direction(desc, &hdi)) {
 699                 history_find_desktop(hdi, ref, dst, &sel);
 700         } else if (streq("any", desc)) {
 701                 find_any_desktop(ref, dst, &sel);
 702         } else if (streq("last", desc)) {
 703                 history_find_desktop(HISTORY_OLDER, ref, dst, &sel);
 704         } else if (streq("newest", desc)) {
 705                 history_find_newest_desktop(ref, dst, &sel);
 706         } else if (streq("focused", desc)) {
 707                 coordinates_t loc = {mon, mon->desk, NULL};
 708                 if (desktop_matches(&loc, ref, &sel)) {
 709                         *dst = loc;
 710                 }
 711         } else if (colon != NULL) {
 712                 *colon = '\0';
 713                 int ret;
 714                 if ((ret = monitor_from_desc(desc, ref, dst)) == SELECTOR_OK) {
 715                         if (streq("focused", colon + 1)) {
 716                                 coordinates_t loc = {dst->monitor, dst->monitor->desk, NULL};
 717                                 if (desktop_matches(&loc, ref, &sel)) {
 718                                         *dst = loc;
 719                                 }
 720                         } else if (parse_index(colon + 1, &idx)) {
 721                                 free(desc_copy);
 722                                 if (desktop_from_index(idx, dst, dst->monitor) && desktop_matches(dst, ref, &sel)) {
 723                                         return SELECTOR_OK;
 724                                 } else {
 725                                         return SELECTOR_INVALID;
 726                                 }
 727                         } else {
 728                                 free(desc_copy);
 729                                 return SELECTOR_BAD_DESCRIPTOR;
 730                         }
 731                 } else {
 732                         free(desc_copy);
 733                         return ret;
 734                 }
 735         } else if (parse_index(desc, &idx) && desktop_from_index(idx, dst, NULL)) {
 736                 free(desc_copy);
 737                 if (desktop_matches(dst, ref, &sel)) {
 738                         return SELECTOR_OK;
 739                 } else {
 740                         return SELECTOR_INVALID;
 741                 }
 742         } else if (parse_id(desc, &id) && desktop_from_id(id, dst, NULL)) {
 743                 free(desc_copy);
 744                 if (desktop_matches(dst, ref, &sel)) {
 745                         return SELECTOR_OK;
 746                 } else {
 747                         return SELECTOR_INVALID;
 748                 }
 749         } else {
 750                 int hits = 0;
 751                 if (desktop_from_name(desc, ref, dst, &sel, &hits)) {
 752                         free(desc_copy);
 753                         return SELECTOR_OK;
 754                 } else {
 755                         free(desc_copy);
 756                         if (hits > 0) {
 757                                 return SELECTOR_INVALID;
 758                         } else {
 759                                 return SELECTOR_BAD_DESCRIPTOR;
 760                         }
 761                 }
 762         }
 763
 764         free(desc_copy);
 765
 766 end:
 767         if (dst->desktop == NULL) {
 768                 return SELECTOR_INVALID;
 769         }
 770
 771         return SELECTOR_OK;
 772 }
 773
 774 int monitor_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
 775 {
 776         if (*desc == '%') {
 777                 locate_monitor(desc + 1, dst);
 778                 goto end;
 779         }
 780
 781         coordinates_t ref_copy = *ref;
 782         ref = &ref_copy;
 783         char *desc_copy = copy_string(desc, strlen(desc));
 784         desc = desc_copy;
 785
 786         char *hash = strrchr(desc, '#');
 787
 788         if (hash != NULL) {
 789                 *hash = '\0';
 790                 int ret;
 791                 coordinates_t tmp = {mon, NULL, NULL};
 792                 if ((ret = monitor_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
 793                         desc = hash + 1;
 794                 } else {
 795                         free(desc_copy);
 796                         return ret;
 797                 }
 798         }
 799
 800         monitor_select_t sel = make_monitor_select();
 801
 802         if (!parse_monitor_modifiers(desc, &sel)) {
 803                 free(desc_copy);
 804                 return SELECTOR_BAD_MODIFIERS;
 805         }
 806
 807         dst->monitor = NULL;
 808
 809         direction_t dir;
 810         cycle_dir_t cyc;
 811         history_dir_t hdi;
 812         uint16_t idx;
 813         uint32_t id;
 814         if (parse_direction(desc, &dir)) {
 815                 dst->monitor = nearest_monitor(ref->monitor, dir, &sel);
 816         } else if (parse_cycle_direction(desc, &cyc)) {
 817                 dst->monitor = closest_monitor(ref->monitor, cyc, &sel);
 818         } else if (parse_history_direction(desc, &hdi)) {
 819                 history_find_monitor(hdi, ref, dst, &sel);
 820         } else if (streq("any", desc)) {
 821                 find_any_monitor(ref, dst, &sel);
 822         } else if (streq("last", desc)) {
 823                 history_find_monitor(HISTORY_OLDER, ref, dst, &sel);
 824         } else if (streq("newest", desc)) {
 825                 history_find_newest_monitor(ref, dst, &sel);
 826         } else if (streq("primary", desc)) {
 827                 if (pri_mon != NULL) {
 828                         coordinates_t loc = {pri_mon, NULL, NULL};
 829                         if (monitor_matches(&loc, ref, &sel)) {
 830                                 dst->monitor = pri_mon;
 831                         }
 832                 }
 833         } else if (streq("focused", desc)) {
 834                 coordinates_t loc = {mon, NULL, NULL};
 835                 if (monitor_matches(&loc, ref, &sel)) {
 836                         dst->monitor = mon;
 837                 }
 838         } else if (streq("pointed", desc)) {
 839                 xcb_point_t pointer;
 840                 query_pointer(NULL, &pointer);
 841                 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 842                         if (is_inside(pointer, m->rectangle)) {
 843                                 dst->monitor = m;
 844                                 break;
 845                         }
 846                 }
 847         } else if (parse_index(desc, &idx) && monitor_from_index(idx, dst)) {
 848                 free(desc_copy);
 849                 if (monitor_matches(dst, ref, &sel)) {
 850                         return SELECTOR_OK;
 851                 } else {
 852                         return SELECTOR_INVALID;
 853                 }
 854         } else if (parse_id(desc, &id) && monitor_from_id(id, dst)) {
 855                 free(desc_copy);
 856                 if (monitor_matches(dst, ref, &sel)) {
 857                         return SELECTOR_OK;
 858                 } else {
 859                         return SELECTOR_INVALID;
 860                 }
 861         } else {
 862                 if (locate_monitor(desc, dst)) {
 863                         free(desc_copy);
 864                         if (monitor_matches(dst, ref, &sel)) {
 865                                 return SELECTOR_OK;
 866                         } else {
 867                                 return SELECTOR_INVALID;
 868                         }
 869                 } else {
 870                         free(desc_copy);
 871                         return SELECTOR_BAD_DESCRIPTOR;
 872                 }
 873         }
 874
 875         free(desc_copy);
 876
 877 end:
 878         if (dst->monitor == NULL) {
 879                 return SELECTOR_INVALID;
 880         }
 881
 882         return SELECTOR_OK;
 883 }
 884
 885 bool locate_window(xcb_window_t win, coordinates_t *loc)
 886 {
 887         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 888                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 889                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
 890                                 if (n->client == NULL) {
 891                                         continue;
 892                                 }
 893                                 if (n->id == win) {
 894                                         loc->monitor = m;
 895                                         loc->desktop = d;
 896                                         loc->node = n;
 897                                         return true;
 898                                 }
 899                         }
 900                 }
 901         }
 902         return false;
 903 }
 904
 905 bool locate_desktop(char *name, coordinates_t *loc)
 906 {
 907         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 908                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 909                         if (streq(d->name, name)) {
 910                                 loc->monitor = m;
 911                                 loc->desktop = d;
 912                                 return true;
 913                         }
 914                 }
 915         }
 916         return false;
 917 }
 918
 919 bool locate_monitor(char *name, coordinates_t *loc)
 920 {
 921         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 922                 if (streq(m->name, name)) {
 923                         loc->monitor = m;
 924                         return true;
 925                 }
 926         }
 927         return false;
 928 }
 929
 930 bool desktop_from_id(uint32_t id, coordinates_t *loc, monitor_t *mm)
 931 {
 932         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 933                 if (mm != NULL && m != mm) {
 934                         continue;
 935                 }
 936                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 937                         if (d->id == id) {
 938                                 loc->monitor = m;
 939                                 loc->desktop = d;
 940                                 loc->node = NULL;
 941                                 return true;
 942                         }
 943                 }
 944         }
 945         return false;
 946 }
 947
 948 bool desktop_from_name(char *name, coordinates_t *ref, coordinates_t *dst, desktop_select_t *sel, int *hits)
 949 {
 950         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 951                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
 952                         if (streq(d->name, name)) {
 953                                 if (hits != NULL) {
 954                                         (*hits)++;
 955                                 }
 956                                 coordinates_t loc = {m, d, NULL};
 957                                 if (desktop_matches(&loc, ref, sel)) {
 958                                         dst->monitor = m;
 959                                         dst->desktop = d;
 960                                         return true;
 961                                 }
 962                         }
 963                 }
 964         }
 965         return false;
 966 }
 967
 968 bool desktop_from_index(uint16_t idx, coordinates_t *loc, monitor_t *mm)
 969 {
 970         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 971                 if (mm != NULL && m != mm) {
 972                         continue;
 973                 }
 974                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next, idx--) {
 975                         if (idx == 1) {
 976                                 loc->monitor = m;
 977                                 loc->desktop = d;
 978                                 loc->node = NULL;
 979                                 return true;
 980                         }
 981                 }
 982         }
 983         return false;
 984 }
 985
 986 bool monitor_from_id(uint32_t id, coordinates_t *loc)
 987 {
 988         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
 989                 if (m->id == id) {
 990                         loc->monitor = m;
 991                         loc->desktop = NULL;
 992                         loc->node = NULL;
 993                         return true;
 994                 }
 995         }
 996         return false;
 997 }
 998
 999 bool monitor_from_index(int idx, coordinates_t *loc)
1000 {
1001         for (monitor_t *m = mon_head; m != NULL; m = m->next, idx--) {
1002                 if (idx == 1) {
1003                         loc->monitor = m;
1004                         loc->desktop = NULL;
1005                         loc->node = NULL;
1006                         return true;
1007                 }
1008         }
1009         return false;
1010 }
1011
1012 bool node_matches(coordinates_t *loc, coordinates_t *ref, node_select_t *sel)
1013 {
1014         if (loc->node == NULL) {
1015                 return false;
1016         }
1017
1018         if (sel->focused != OPTION_NONE &&
1019             loc->node != mon->desk->focus
1020             ? sel->focused == OPTION_TRUE
1021             : sel->focused == OPTION_FALSE) {
1022                 return false;
1023         }
1024
1025         if (sel->active != OPTION_NONE &&
1026             loc->node != loc->desktop->focus
1027             ? sel->active == OPTION_TRUE
1028             : sel->active == OPTION_FALSE) {
1029                 return false;
1030         }
1031
1032         if (sel->automatic != OPTION_NONE &&
1033             loc->node->presel != NULL
1034             ? sel->automatic == OPTION_TRUE
1035             : sel->automatic == OPTION_FALSE) {
1036                 return false;
1037         }
1038
1039         if (sel->local != OPTION_NONE &&
1040             loc->desktop != ref->desktop
1041             ? sel->local == OPTION_TRUE
1042             : sel->local == OPTION_FALSE) {
1043                 return false;
1044         }
1045
1046         if (sel->active != OPTION_NONE &&
1047             loc->desktop != loc->monitor->desk
1048             ? sel->active == OPTION_TRUE
1049             : sel->active == OPTION_FALSE) {
1050                 return false;
1051         }
1052
1053         if (sel->leaf != OPTION_NONE &&
1054             !is_leaf(loc->node)
1055             ? sel->leaf == OPTION_TRUE
1056             : sel->leaf == OPTION_FALSE) {
1057                 return false;
1058         }
1059
1060         if (sel->window != OPTION_NONE &&
1061             loc->node->client == NULL
1062             ? sel->window == OPTION_TRUE
1063             : sel->window == OPTION_FALSE) {
1064                 return false;
1065         }
1066
1067 #define NFLAG(p) \
1068         if (sel->p != OPTION_NONE && \
1069             !loc->node->p \
1070             ? sel->p == OPTION_TRUE \
1071             : sel->p == OPTION_FALSE) { \
1072                 return false; \
1073         }
1074         NFLAG(hidden)
1075         NFLAG(sticky)
1076         NFLAG(private)
1077         NFLAG(locked)
1078         NFLAG(marked)
1079 #undef NFLAG
1080
1081         if (loc->node->client == NULL &&
1082                 (sel->same_class != OPTION_NONE ||
1083                  sel->tiled != OPTION_NONE ||
1084                  sel->pseudo_tiled != OPTION_NONE ||
1085                  sel->floating != OPTION_NONE ||
1086                  sel->fullscreen != OPTION_NONE ||
1087                  sel->below != OPTION_NONE ||
1088                  sel->normal != OPTION_NONE ||
1089                  sel->above != OPTION_NONE ||
1090                  sel->urgent != OPTION_NONE)) {
1091                 return false;
1092         }
1093
1094         if (ref->node != NULL && ref->node->client != NULL &&
1095             sel->same_class != OPTION_NONE &&
1096             streq(loc->node->client->class_name, ref->node->client->class_name)
1097             ? sel->same_class == OPTION_FALSE
1098             : sel->same_class == OPTION_TRUE) {
1099                 return false;
1100         }
1101
1102         if (sel->descendant_of != OPTION_NONE &&
1103             !is_descendant(loc->node, ref->node)
1104             ? sel->descendant_of == OPTION_TRUE
1105             : sel->descendant_of == OPTION_FALSE) {
1106                 return false;
1107         }
1108
1109         if (sel->ancestor_of != OPTION_NONE &&
1110             !is_descendant(ref->node, loc->node)
1111             ? sel->ancestor_of == OPTION_TRUE
1112             : sel->ancestor_of == OPTION_FALSE) {
1113                 return false;
1114         }
1115
1116 #define WSTATE(p, e) \
1117         if (sel->p != OPTION_NONE && \
1118             loc->node->client->state != e \
1119             ? sel->p == OPTION_TRUE \
1120             : sel->p == OPTION_FALSE) { \
1121                 return false; \
1122         }
1123         WSTATE(tiled, STATE_TILED)
1124         WSTATE(pseudo_tiled, STATE_PSEUDO_TILED)
1125         WSTATE(floating, STATE_FLOATING)
1126         WSTATE(fullscreen, STATE_FULLSCREEN)
1127 #undef WSTATE
1128
1129 #define WLAYER(p, e) \
1130         if (sel->p != OPTION_NONE && \
1131             loc->node->client->layer != e \
1132             ? sel->p == OPTION_TRUE \
1133             : sel->p == OPTION_FALSE) { \
1134                 return false; \
1135         }
1136         WLAYER(below, LAYER_BELOW)
1137         WLAYER(normal, LAYER_NORMAL)
1138         WLAYER(above, LAYER_ABOVE)
1139 #undef WLAYER
1140
1141 #define WFLAG(p) \
1142         if (sel->p != OPTION_NONE && \
1143             !loc->node->client->p \
1144             ? sel->p == OPTION_TRUE \
1145             : sel->p == OPTION_FALSE) { \
1146                 return false; \
1147         }
1148         WFLAG(urgent)
1149 #undef WFLAG
1150
1151         if (sel->horizontal != OPTION_NONE &&
1152             loc->node->split_type != TYPE_HORIZONTAL
1153             ? sel->horizontal == OPTION_TRUE
1154             : sel->horizontal == OPTION_FALSE) {
1155                 return false;
1156         }
1157
1158         if (sel->vertical != OPTION_NONE &&
1159             loc->node->split_type != TYPE_VERTICAL
1160             ? sel->vertical == OPTION_TRUE
1161             : sel->vertical == OPTION_FALSE) {
1162                 return false;
1163         }
1164
1165         return true;
1166 }
1167
1168 bool desktop_matches(coordinates_t *loc, coordinates_t *ref, desktop_select_t *sel)
1169 {
1170         if (sel->occupied != OPTION_NONE &&
1171             loc->desktop->root == NULL
1172             ? sel->occupied == OPTION_TRUE
1173             : sel->occupied == OPTION_FALSE) {
1174                 return false;
1175         }
1176
1177         if (sel->focused != OPTION_NONE &&
1178             loc->desktop != mon->desk
1179             ? sel->focused == OPTION_TRUE
1180             : sel->focused == OPTION_FALSE) {
1181                 return false;
1182         }
1183
1184         if (sel->active != OPTION_NONE &&
1185             loc->desktop != loc->monitor->desk
1186             ? sel->active == OPTION_TRUE
1187             : sel->active == OPTION_FALSE) {
1188                 return false;
1189         }
1190
1191         if (sel->urgent != OPTION_NONE &&
1192             !is_urgent(loc->desktop)
1193             ? sel->urgent == OPTION_TRUE
1194             : sel->urgent == OPTION_FALSE) {
1195                 return false;
1196         }
1197
1198         if (sel->local != OPTION_NONE &&
1199             ref->monitor != loc->monitor
1200             ? sel->local == OPTION_TRUE
1201             : sel->local == OPTION_FALSE) {
1202                 return false;
1203         }
1204
1205         return true;
1206 }
1207
1208 bool monitor_matches(coordinates_t *loc, __attribute__((unused)) coordinates_t *ref, monitor_select_t *sel)
1209 {
1210         if (sel->occupied != OPTION_NONE &&
1211             loc->monitor->desk->root == NULL
1212             ? sel->occupied == OPTION_TRUE
1213             : sel->occupied == OPTION_FALSE) {
1214                 return false;
1215         }
1216
1217         if (sel->focused != OPTION_NONE &&
1218             loc->monitor != mon
1219             ? sel->focused == OPTION_TRUE
1220             : sel->focused == OPTION_FALSE) {
1221                 return false;
1222         }
1223
1224         return true;
1225 }