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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 resolve_rule_consequence(rule_consequence_t *csq)
430 {
431         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
432         coordinates_t dst = {NULL, NULL, NULL};
433         monitor_t *monitor = monitor_from_desc(csq->monitor_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.monitor;
434         desktop_t *desktop = desktop_from_desc(csq->desktop_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.desktop;
435         node_t *node = node_from_desc(csq->node_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.node;
436
437 #define PRINT_OBJECT_ID(name) \
438         if (name == NULL) { \
439                 csq->name##_desc[0] = '\0'; \
440         } else { \
441                 snprintf(csq->name##_desc, 11, "0x%08X", name->id); \
442         }
443         PRINT_OBJECT_ID(monitor)
444         PRINT_OBJECT_ID(desktop)
445         PRINT_OBJECT_ID(node)
446 #undef PRINT_OBJECT_ID
447 }
448
449 void print_rule_consequence(char **buf, rule_consequence_t *csq)
450 {
451         char *rect_buf = NULL;
452         print_rectangle(&rect_buf, csq->rect);
453         if (rect_buf == NULL) {
454                 rect_buf = malloc(1);
455                 *rect_buf = '\0';
456         }
457
458         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",
459                 csq->monitor_desc, csq->desktop_desc, csq->node_desc,
460                 csq->state == NULL ? "" : STATE_STR(*csq->state),
461                 csq->layer == NULL ? "" : LAYER_STR(*csq->layer),
462                 csq->split_dir == NULL ? "" : SPLIT_DIR_STR(*csq->split_dir), csq->split_ratio,
463                 ON_OFF_STR(csq->hidden), ON_OFF_STR(csq->sticky), ON_OFF_STR(csq->private),
464                 ON_OFF_STR(csq->locked), ON_OFF_STR(csq->marked), ON_OFF_STR(csq->center), ON_OFF_STR(csq->follow),
465                 ON_OFF_STR(csq->manage), ON_OFF_STR(csq->focus), ON_OFF_STR(csq->border), rect_buf);
466         free(rect_buf);
467 }
468
469 void print_rectangle(char **buf, xcb_rectangle_t *rect)
470 {
471         if (rect != NULL) {
472                 asprintf(buf, "%hux%hu+%hi+%hi", rect->width, rect->height, rect->x, rect->y);
473         }
474 }
475
476 node_select_t make_node_select(void)
477 {
478         node_select_t sel = {
479                 .automatic = OPTION_NONE,
480                 .focused = OPTION_NONE,
481                 .active = OPTION_NONE,
482                 .local = OPTION_NONE,
483                 .leaf = OPTION_NONE,
484                 .window = OPTION_NONE,
485                 .tiled = OPTION_NONE,
486                 .pseudo_tiled = OPTION_NONE,
487                 .floating = OPTION_NONE,
488                 .fullscreen = OPTION_NONE,
489                 .hidden = OPTION_NONE,
490                 .sticky = OPTION_NONE,
491                 .private = OPTION_NONE,
492                 .locked = OPTION_NONE,
493                 .marked = OPTION_NONE,
494                 .urgent = OPTION_NONE,
495                 .same_class = OPTION_NONE,
496                 .descendant_of = OPTION_NONE,
497                 .ancestor_of = OPTION_NONE,
498                 .below = OPTION_NONE,
499                 .normal = OPTION_NONE,
500                 .above = OPTION_NONE,
501                 .horizontal = OPTION_NONE,
502                 .vertical = OPTION_NONE
503         };
504         return sel;
505 }
506
507 desktop_select_t make_desktop_select(void)
508 {
509         desktop_select_t sel = {
510                 .occupied = OPTION_NONE,
511                 .focused = OPTION_NONE,
512                 .active = OPTION_NONE,
513                 .urgent = OPTION_NONE,
514                 .local = OPTION_NONE
515         };
516         return sel;
517 }
518
519 monitor_select_t make_monitor_select(void)
520 {
521         monitor_select_t sel = {
522                 .occupied = OPTION_NONE,
523                 .focused = OPTION_NONE
524         };
525         return sel;
526 }
527
528 int node_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
529 {
530         dst->node = NULL;
531
532         coordinates_t ref_copy = *ref;
533         ref = &ref_copy;
534         char *desc_copy = copy_string(desc, strlen(desc));
535         desc = desc_copy;
536
537         char *hash = strrchr(desc, '#');
538         char *path = strrchr(desc, '@');
539         char *colon = strrchr(desc, ':');
540
541         /* Discard hashes inside a DESKTOP_SEL */
542         if (hash != NULL && colon != NULL && path != NULL &&
543             path < hash && hash < colon) {
544                 if (path > desc && *(path - 1) == '#') {
545                         hash = path - 1;
546                 } else {
547                         hash = NULL;
548                 }
549         }
550
551         if (hash != NULL) {
552                 *hash = '\0';
553                 int ret;
554                 coordinates_t tmp = {mon, mon->desk, mon->desk->focus};
555                 if ((ret = node_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
556                         desc = hash + 1;
557                 } else {
558                         free(desc_copy);
559                         return ret;
560                 }
561         }
562
563         node_select_t sel = make_node_select();
564
565         if (!parse_node_modifiers(colon != NULL ? colon : desc, &sel)) {
566                 free(desc_copy);
567                 return SELECTOR_BAD_MODIFIERS;
568         }
569
570         direction_t dir;
571         cycle_dir_t cyc;
572         history_dir_t hdi;
573         if (parse_direction(desc, &dir)) {
574                 find_nearest_neighbor(ref, dst, dir, &sel);
575         } else if (parse_cycle_direction(desc, &cyc)) {
576                 find_closest_node(ref, dst, cyc, &sel);
577         } else if (parse_history_direction(desc, &hdi)) {
578                 history_find_node(hdi, ref, dst, &sel);
579         } else if (streq("any", desc)) {
580                 find_any_node(ref, dst, &sel);
581         } else if (streq("first_ancestor", desc)) {
582                 find_first_ancestor(ref, dst, &sel);
583         } else if (streq("last", desc)) {
584                 history_find_node(HISTORY_OLDER, ref, dst, &sel);
585         } else if (streq("newest", desc)) {
586                 history_find_newest_node(ref, dst, &sel);
587         } else if (streq("biggest", desc)) {
588                 find_by_area(AREA_BIGGEST, ref, dst, &sel);
589         } else if (streq("smallest", desc)) {
590                 find_by_area(AREA_SMALLEST, ref, dst, &sel);
591         } else if (streq("pointed", desc)) {
592                 xcb_window_t win = XCB_NONE;
593                 query_pointer(&win, NULL);
594                 if (locate_leaf(win, dst) && node_matches(dst, ref, &sel)) {
595                         return SELECTOR_OK;
596                 } else {
597                         return SELECTOR_INVALID;
598                 }
599         } else if (streq("focused", desc)) {
600                 coordinates_t loc = {mon, mon->desk, mon->desk->focus};
601                 if (node_matches(&loc, ref, &sel)) {
602                         *dst = loc;
603                 }
604         } else if (*desc == '@') {
605                 desc++;
606                 *dst = *ref;
607                 if (colon != NULL) {
608                         *colon = '\0';
609                         int ret;
610                         if ((ret = desktop_from_desc(desc, ref, dst)) == SELECTOR_OK) {
611                                 dst->node = dst->desktop->focus;
612                                 desc = colon + 1;
613                         } else {
614                                 free(desc_copy);
615                                 return ret;
616                         }
617                 }
618                 if (*desc == '/') {
619                         dst->node = dst->desktop->root;
620                 }
621                 char *move = strtok(desc, PTH_TOK);
622                 while (move != NULL && dst->node != NULL) {
623                         if (streq("first", move) || streq("1", move)) {
624                                 dst->node = dst->node->first_child;
625                         } else if (streq("second", move) || streq("2", move)) {
626                                 dst->node = dst->node->second_child;
627                         } else if (streq("parent", move)) {
628                                 dst->node = dst->node->parent;
629                         } else if (streq("brother", move)) {
630                                 dst->node = brother_tree(dst->node);
631                         } else {
632                                 direction_t dir;
633                                 if (parse_direction(move, &dir)) {
634                                         dst->node = find_fence(dst->node, dir);
635                                 } else {
636                                         free(desc_copy);
637                                         return SELECTOR_BAD_DESCRIPTOR;
638                                 }
639                         }
640                         move = strtok(NULL, PTH_TOK);
641                 }
642                 free(desc_copy);
643                 if (dst->node != NULL) {
644                         if (node_matches(dst, ref, &sel)) {
645                                 return SELECTOR_OK;
646                         } else {
647                                 return SELECTOR_INVALID;
648                         }
649                 } else if (dst->desktop->root != NULL) {
650                         return SELECTOR_INVALID;
651                 }
652                 return SELECTOR_OK;
653         } else {
654                 uint32_t id;
655                 if (parse_id(desc, &id)) {
656                         free(desc_copy);
657                         if (find_by_id(id, dst) && node_matches(dst, ref, &sel)) {
658                                 return SELECTOR_OK;
659                         } else {
660                                 return SELECTOR_INVALID;
661                         }
662                 } else {
663                         free(desc_copy);
664                         return SELECTOR_BAD_DESCRIPTOR;
665                 }
666         }
667
668         free(desc_copy);
669
670         if (dst->node == NULL) {
671                 return SELECTOR_INVALID;
672         }
673
674         return SELECTOR_OK;
675 }
676
677 int desktop_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
678 {
679         dst->desktop = NULL;
680
681         if (*desc == '%') {
682                 locate_desktop(desc + 1, dst);
683                 goto end;
684         }
685
686         coordinates_t ref_copy = *ref;
687         ref = &ref_copy;
688         char *desc_copy = copy_string(desc, strlen(desc));
689         desc = desc_copy;
690
691         char *hash = strrchr(desc, '#');
692
693         if (hash != NULL) {
694                 *hash = '\0';
695                 int ret;
696                 coordinates_t tmp = {mon, mon->desk, NULL};
697                 if ((ret = desktop_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
698                         desc = hash + 1;
699                 } else {
700                         free(desc_copy);
701                         return ret;
702                 }
703         }
704
705         desktop_select_t sel = make_desktop_select();
706         char *colon = strrchr(desc, ':');
707
708         if (!parse_desktop_modifiers(colon != NULL ? colon : desc, &sel)) {
709                 free(desc_copy);
710                 return SELECTOR_BAD_MODIFIERS;
711         }
712
713         cycle_dir_t cyc;
714         history_dir_t hdi;
715         uint16_t idx;
716         uint32_t id;
717         if (parse_cycle_direction(desc, &cyc)) {
718                 find_closest_desktop(ref, dst, cyc, &sel);
719         } else if (parse_history_direction(desc, &hdi)) {
720                 history_find_desktop(hdi, ref, dst, &sel);
721         } else if (streq("any", desc)) {
722                 find_any_desktop(ref, dst, &sel);
723         } else if (streq("last", desc)) {
724                 history_find_desktop(HISTORY_OLDER, ref, dst, &sel);
725         } else if (streq("newest", desc)) {
726                 history_find_newest_desktop(ref, dst, &sel);
727         } else if (streq("focused", desc)) {
728                 coordinates_t loc = {mon, mon->desk, NULL};
729                 if (desktop_matches(&loc, ref, &sel)) {
730                         *dst = loc;
731                 }
732         } else if (colon != NULL) {
733                 *colon = '\0';
734                 int ret;
735                 if ((ret = monitor_from_desc(desc, ref, dst)) == SELECTOR_OK) {
736                         if (streq("focused", colon + 1)) {
737                                 coordinates_t loc = {dst->monitor, dst->monitor->desk, NULL};
738                                 if (desktop_matches(&loc, ref, &sel)) {
739                                         *dst = loc;
740                                 }
741                         } else if (parse_index(colon + 1, &idx)) {
742                                 free(desc_copy);
743                                 if (desktop_from_index(idx, dst, dst->monitor) && desktop_matches(dst, ref, &sel)) {
744                                         return SELECTOR_OK;
745                                 } else {
746                                         return SELECTOR_INVALID;
747                                 }
748                         } else {
749                                 free(desc_copy);
750                                 return SELECTOR_BAD_DESCRIPTOR;
751                         }
752                 } else {
753                         free(desc_copy);
754                         return ret;
755                 }
756         } else if (parse_index(desc, &idx) && desktop_from_index(idx, dst, NULL)) {
757                 free(desc_copy);
758                 if (desktop_matches(dst, ref, &sel)) {
759                         return SELECTOR_OK;
760                 } else {
761                         return SELECTOR_INVALID;
762                 }
763         } else if (parse_id(desc, &id) && desktop_from_id(id, dst, NULL)) {
764                 free(desc_copy);
765                 if (desktop_matches(dst, ref, &sel)) {
766                         return SELECTOR_OK;
767                 } else {
768                         return SELECTOR_INVALID;
769                 }
770         } else {
771                 int hits = 0;
772                 if (desktop_from_name(desc, ref, dst, &sel, &hits)) {
773                         free(desc_copy);
774                         return SELECTOR_OK;
775                 } else {
776                         free(desc_copy);
777                         if (hits > 0) {
778                                 return SELECTOR_INVALID;
779                         } else {
780                                 return SELECTOR_BAD_DESCRIPTOR;
781                         }
782                 }
783         }
784
785         free(desc_copy);
786
787 end:
788         if (dst->desktop == NULL) {
789                 return SELECTOR_INVALID;
790         }
791
792         return SELECTOR_OK;
793 }
794
795 int monitor_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
796 {
797         dst->monitor = NULL;
798
799         if (*desc == '%') {
800                 locate_monitor(desc + 1, dst);
801                 goto end;
802         }
803
804         coordinates_t ref_copy = *ref;
805         ref = &ref_copy;
806         char *desc_copy = copy_string(desc, strlen(desc));
807         desc = desc_copy;
808
809         char *hash = strrchr(desc, '#');
810
811         if (hash != NULL) {
812                 *hash = '\0';
813                 int ret;
814                 coordinates_t tmp = {mon, NULL, NULL};
815                 if ((ret = monitor_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
816                         desc = hash + 1;
817                 } else {
818                         free(desc_copy);
819                         return ret;
820                 }
821         }
822
823         monitor_select_t sel = make_monitor_select();
824
825         if (!parse_monitor_modifiers(desc, &sel)) {
826                 free(desc_copy);
827                 return SELECTOR_BAD_MODIFIERS;
828         }
829
830         direction_t dir;
831         cycle_dir_t cyc;
832         history_dir_t hdi;
833         uint16_t idx;
834         uint32_t id;
835         if (parse_direction(desc, &dir)) {
836                 dst->monitor = nearest_monitor(ref->monitor, dir, &sel);
837         } else if (parse_cycle_direction(desc, &cyc)) {
838                 dst->monitor = closest_monitor(ref->monitor, cyc, &sel);
839         } else if (parse_history_direction(desc, &hdi)) {
840                 history_find_monitor(hdi, ref, dst, &sel);
841         } else if (streq("any", desc)) {
842                 find_any_monitor(ref, dst, &sel);
843         } else if (streq("last", desc)) {
844                 history_find_monitor(HISTORY_OLDER, ref, dst, &sel);
845         } else if (streq("newest", desc)) {
846                 history_find_newest_monitor(ref, dst, &sel);
847         } else if (streq("primary", desc)) {
848                 if (pri_mon != NULL) {
849                         coordinates_t loc = {pri_mon, NULL, NULL};
850                         if (monitor_matches(&loc, ref, &sel)) {
851                                 dst->monitor = pri_mon;
852                         }
853                 }
854         } else if (streq("focused", desc)) {
855                 coordinates_t loc = {mon, NULL, NULL};
856                 if (monitor_matches(&loc, ref, &sel)) {
857                         dst->monitor = mon;
858                 }
859         } else if (streq("pointed", desc)) {
860                 xcb_point_t pointer;
861                 query_pointer(NULL, &pointer);
862                 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
863                         if (is_inside(pointer, m->rectangle)) {
864                                 dst->monitor = m;
865                                 break;
866                         }
867                 }
868         } else if (parse_index(desc, &idx) && monitor_from_index(idx, dst)) {
869                 free(desc_copy);
870                 if (monitor_matches(dst, ref, &sel)) {
871                         return SELECTOR_OK;
872                 } else {
873                         return SELECTOR_INVALID;
874                 }
875         } else if (parse_id(desc, &id) && monitor_from_id(id, dst)) {
876                 free(desc_copy);
877                 if (monitor_matches(dst, ref, &sel)) {
878                         return SELECTOR_OK;
879                 } else {
880                         return SELECTOR_INVALID;
881                 }
882         } else {
883                 if (locate_monitor(desc, dst)) {
884                         free(desc_copy);
885                         if (monitor_matches(dst, ref, &sel)) {
886                                 return SELECTOR_OK;
887                         } else {
888                                 return SELECTOR_INVALID;
889                         }
890                 } else {
891                         free(desc_copy);
892                         return SELECTOR_BAD_DESCRIPTOR;
893                 }
894         }
895
896         free(desc_copy);
897
898 end:
899         if (dst->monitor == NULL) {
900                 return SELECTOR_INVALID;
901         }
902
903         return SELECTOR_OK;
904 }
905
906 bool locate_leaf(xcb_window_t win, coordinates_t *loc)
907 {
908         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
909                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
910                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
911                                 if (n->id == win) {
912                                         loc->monitor = m;
913                                         loc->desktop = d;
914                                         loc->node = n;
915                                         return true;
916                                 }
917                         }
918                 }
919         }
920         return false;
921 }
922
923 bool locate_window(xcb_window_t win, coordinates_t *loc)
924 {
925         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
926                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
927                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
928                                 if (n->client == NULL) {
929                                         continue;
930                                 }
931                                 if (n->id == win) {
932                                         loc->monitor = m;
933                                         loc->desktop = d;
934                                         loc->node = n;
935                                         return true;
936                                 }
937                         }
938                 }
939         }
940         return false;
941 }
942
943 bool locate_desktop(char *name, coordinates_t *loc)
944 {
945         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
946                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
947                         if (streq(d->name, name)) {
948                                 loc->monitor = m;
949                                 loc->desktop = d;
950                                 return true;
951                         }
952                 }
953         }
954         return false;
955 }
956
957 bool locate_monitor(char *name, coordinates_t *loc)
958 {
959         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
960                 if (streq(m->name, name)) {
961                         loc->monitor = m;
962                         return true;
963                 }
964         }
965         return false;
966 }
967
968 bool desktop_from_id(uint32_t id, 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) {
975                         if (d->id == id) {
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 desktop_from_name(char *name, coordinates_t *ref, coordinates_t *dst, desktop_select_t *sel, int *hits)
987 {
988         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
989                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
990                         if (streq(d->name, name)) {
991                                 if (hits != NULL) {
992                                         (*hits)++;
993                                 }
994                                 coordinates_t loc = {m, d, NULL};
995                                 if (desktop_matches(&loc, ref, sel)) {
996                                         dst->monitor = m;
997                                         dst->desktop = d;
998                                         return true;
999                                 }
1000                         }
1001                 }
1002         }
1003         return false;
1004 }
1005
1006 bool desktop_from_index(uint16_t idx, coordinates_t *loc, monitor_t *mm)
1007 {
1008         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1009                 if (mm != NULL && m != mm) {
1010                         continue;
1011                 }
1012                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next, idx--) {
1013                         if (idx == 1) {
1014                                 loc->monitor = m;
1015                                 loc->desktop = d;
1016                                 loc->node = NULL;
1017                                 return true;
1018                         }
1019                 }
1020         }
1021         return false;
1022 }
1023
1024 bool monitor_from_id(uint32_t id, coordinates_t *loc)
1025 {
1026         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1027                 if (m->id == id) {
1028                         loc->monitor = m;
1029                         loc->desktop = NULL;
1030                         loc->node = NULL;
1031                         return true;
1032                 }
1033         }
1034         return false;
1035 }
1036
1037 bool monitor_from_index(int idx, coordinates_t *loc)
1038 {
1039         for (monitor_t *m = mon_head; m != NULL; m = m->next, idx--) {
1040                 if (idx == 1) {
1041                         loc->monitor = m;
1042                         loc->desktop = NULL;
1043                         loc->node = NULL;
1044                         return true;
1045                 }
1046         }
1047         return false;
1048 }
1049
1050 bool node_matches(coordinates_t *loc, coordinates_t *ref, node_select_t *sel)
1051 {
1052         if (loc->node == NULL) {
1053                 return false;
1054         }
1055
1056         if (sel->focused != OPTION_NONE &&
1057             loc->node != mon->desk->focus
1058             ? sel->focused == OPTION_TRUE
1059             : sel->focused == OPTION_FALSE) {
1060                 return false;
1061         }
1062
1063         if (sel->active != OPTION_NONE &&
1064             loc->node != loc->desktop->focus
1065             ? sel->active == OPTION_TRUE
1066             : sel->active == OPTION_FALSE) {
1067                 return false;
1068         }
1069
1070         if (sel->automatic != OPTION_NONE &&
1071             loc->node->presel != NULL
1072             ? sel->automatic == OPTION_TRUE
1073             : sel->automatic == OPTION_FALSE) {
1074                 return false;
1075         }
1076
1077         if (sel->local != OPTION_NONE &&
1078             loc->desktop != ref->desktop
1079             ? sel->local == OPTION_TRUE
1080             : sel->local == OPTION_FALSE) {
1081                 return false;
1082         }
1083
1084         if (sel->active != OPTION_NONE &&
1085             loc->desktop != loc->monitor->desk
1086             ? sel->active == OPTION_TRUE
1087             : sel->active == OPTION_FALSE) {
1088                 return false;
1089         }
1090
1091         if (sel->leaf != OPTION_NONE &&
1092             !is_leaf(loc->node)
1093             ? sel->leaf == OPTION_TRUE
1094             : sel->leaf == OPTION_FALSE) {
1095                 return false;
1096         }
1097
1098         if (sel->window != OPTION_NONE &&
1099             loc->node->client == NULL
1100             ? sel->window == OPTION_TRUE
1101             : sel->window == OPTION_FALSE) {
1102                 return false;
1103         }
1104
1105 #define NFLAG(p) \
1106         if (sel->p != OPTION_NONE && \
1107             !loc->node->p \
1108             ? sel->p == OPTION_TRUE \
1109             : sel->p == OPTION_FALSE) { \
1110                 return false; \
1111         }
1112         NFLAG(hidden)
1113         NFLAG(sticky)
1114         NFLAG(private)
1115         NFLAG(locked)
1116         NFLAG(marked)
1117 #undef NFLAG
1118
1119         if (loc->node->client == NULL &&
1120                 (sel->same_class != OPTION_NONE ||
1121                  sel->tiled != OPTION_NONE ||
1122                  sel->pseudo_tiled != OPTION_NONE ||
1123                  sel->floating != OPTION_NONE ||
1124                  sel->fullscreen != OPTION_NONE ||
1125                  sel->below != OPTION_NONE ||
1126                  sel->normal != OPTION_NONE ||
1127                  sel->above != OPTION_NONE ||
1128                  sel->urgent != OPTION_NONE)) {
1129                 return false;
1130         }
1131
1132         if (ref->node != NULL && ref->node->client != NULL &&
1133             sel->same_class != OPTION_NONE &&
1134             streq(loc->node->client->class_name, ref->node->client->class_name)
1135             ? sel->same_class == OPTION_FALSE
1136             : sel->same_class == OPTION_TRUE) {
1137                 return false;
1138         }
1139
1140         if (sel->descendant_of != OPTION_NONE &&
1141             !is_descendant(loc->node, ref->node)
1142             ? sel->descendant_of == OPTION_TRUE
1143             : sel->descendant_of == OPTION_FALSE) {
1144                 return false;
1145         }
1146
1147         if (sel->ancestor_of != OPTION_NONE &&
1148             !is_descendant(ref->node, loc->node)
1149             ? sel->ancestor_of == OPTION_TRUE
1150             : sel->ancestor_of == OPTION_FALSE) {
1151                 return false;
1152         }
1153
1154 #define WSTATE(p, e) \
1155         if (sel->p != OPTION_NONE && \
1156             loc->node->client->state != e \
1157             ? sel->p == OPTION_TRUE \
1158             : sel->p == OPTION_FALSE) { \
1159                 return false; \
1160         }
1161         WSTATE(tiled, STATE_TILED)
1162         WSTATE(pseudo_tiled, STATE_PSEUDO_TILED)
1163         WSTATE(floating, STATE_FLOATING)
1164         WSTATE(fullscreen, STATE_FULLSCREEN)
1165 #undef WSTATE
1166
1167 #define WLAYER(p, e) \
1168         if (sel->p != OPTION_NONE && \
1169             loc->node->client->layer != e \
1170             ? sel->p == OPTION_TRUE \
1171             : sel->p == OPTION_FALSE) { \
1172                 return false; \
1173         }
1174         WLAYER(below, LAYER_BELOW)
1175         WLAYER(normal, LAYER_NORMAL)
1176         WLAYER(above, LAYER_ABOVE)
1177 #undef WLAYER
1178
1179 #define WFLAG(p) \
1180         if (sel->p != OPTION_NONE && \
1181             !loc->node->client->p \
1182             ? sel->p == OPTION_TRUE \
1183             : sel->p == OPTION_FALSE) { \
1184                 return false; \
1185         }
1186         WFLAG(urgent)
1187 #undef WFLAG
1188
1189         if (sel->horizontal != OPTION_NONE &&
1190             loc->node->split_type != TYPE_HORIZONTAL
1191             ? sel->horizontal == OPTION_TRUE
1192             : sel->horizontal == OPTION_FALSE) {
1193                 return false;
1194         }
1195
1196         if (sel->vertical != OPTION_NONE &&
1197             loc->node->split_type != TYPE_VERTICAL
1198             ? sel->vertical == OPTION_TRUE
1199             : sel->vertical == OPTION_FALSE) {
1200                 return false;
1201         }
1202
1203         return true;
1204 }
1205
1206 bool desktop_matches(coordinates_t *loc, coordinates_t *ref, desktop_select_t *sel)
1207 {
1208         if (sel->occupied != OPTION_NONE &&
1209             loc->desktop->root == NULL
1210             ? sel->occupied == OPTION_TRUE
1211             : sel->occupied == OPTION_FALSE) {
1212                 return false;
1213         }
1214
1215         if (sel->focused != OPTION_NONE &&
1216             loc->desktop != mon->desk
1217             ? sel->focused == OPTION_TRUE
1218             : sel->focused == OPTION_FALSE) {
1219                 return false;
1220         }
1221
1222         if (sel->active != OPTION_NONE &&
1223             loc->desktop != loc->monitor->desk
1224             ? sel->active == OPTION_TRUE
1225             : sel->active == OPTION_FALSE) {
1226                 return false;
1227         }
1228
1229         if (sel->urgent != OPTION_NONE &&
1230             !is_urgent(loc->desktop)
1231             ? sel->urgent == OPTION_TRUE
1232             : sel->urgent == OPTION_FALSE) {
1233                 return false;
1234         }
1235
1236         if (sel->local != OPTION_NONE &&
1237             ref->monitor != loc->monitor
1238             ? sel->local == OPTION_TRUE
1239             : sel->local == OPTION_FALSE) {
1240                 return false;
1241         }
1242
1243         return true;
1244 }
1245
1246 bool monitor_matches(coordinates_t *loc, __attribute__((unused)) coordinates_t *ref, monitor_select_t *sel)
1247 {
1248         if (sel->occupied != OPTION_NONE &&
1249             loc->monitor->desk->root == NULL
1250             ? sel->occupied == OPTION_TRUE
1251             : sel->occupied == OPTION_FALSE) {
1252                 return false;
1253         }
1254
1255         if (sel->focused != OPTION_NONE &&
1256             loc->monitor != mon
1257             ? sel->focused == OPTION_TRUE
1258             : sel->focused == OPTION_FALSE) {
1259                 return false;
1260         }
1261
1262         return true;
1263 }