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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 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
438         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
439         coordinates_t dst = {NULL, NULL, NULL};
440         monitor_t *monitor = monitor_from_desc(csq->monitor_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.monitor;
441         desktop_t *desktop = desktop_from_desc(csq->desktop_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.desktop;
442         node_t *node = node_from_desc(csq->node_desc, &ref, &dst) != SELECTOR_OK ? NULL : dst.node;
443
444 #define PRINT_OBJECT_ID(name) \
445         char *name##_buf = NULL; \
446         if (name == NULL) { \
447                 name##_buf = malloc(1); \
448                 *name##_buf = '\0'; \
449         } else { \
450                 asprintf(&name##_buf, "0x%08X", name->id); \
451         }
452         PRINT_OBJECT_ID(monitor)
453         PRINT_OBJECT_ID(desktop)
454         PRINT_OBJECT_ID(node)
455 #undef PRINT_OBJECT_ID
456
457         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",
458                 monitor_buf == NULL ? "" : monitor_buf,
459                 desktop_buf == NULL ? "" : desktop_buf,
460                 node_buf == NULL ? "" : node_buf,
461                 csq->state == NULL ? "" : STATE_STR(*csq->state),
462                 csq->layer == NULL ? "" : LAYER_STR(*csq->layer),
463                 csq->split_dir == NULL ? "" : SPLIT_DIR_STR(*csq->split_dir), csq->split_ratio,
464                 ON_OFF_STR(csq->hidden), ON_OFF_STR(csq->sticky), ON_OFF_STR(csq->private),
465                 ON_OFF_STR(csq->locked), ON_OFF_STR(csq->marked), ON_OFF_STR(csq->center), ON_OFF_STR(csq->follow),
466                 ON_OFF_STR(csq->manage), ON_OFF_STR(csq->focus), ON_OFF_STR(csq->border), rect_buf);
467         free(rect_buf);
468         free(monitor_buf);
469         free(desktop_buf);
470         free(node_buf);
471 }
472
473 void print_rectangle(char **buf, xcb_rectangle_t *rect)
474 {
475         if (rect != NULL) {
476                 asprintf(buf, "%hux%hu+%hi+%hi", rect->width, rect->height, rect->x, rect->y);
477         }
478 }
479
480 node_select_t make_node_select(void)
481 {
482         node_select_t sel = {
483                 .automatic = OPTION_NONE,
484                 .focused = OPTION_NONE,
485                 .active = OPTION_NONE,
486                 .local = OPTION_NONE,
487                 .leaf = OPTION_NONE,
488                 .window = OPTION_NONE,
489                 .tiled = OPTION_NONE,
490                 .pseudo_tiled = OPTION_NONE,
491                 .floating = OPTION_NONE,
492                 .fullscreen = OPTION_NONE,
493                 .hidden = OPTION_NONE,
494                 .sticky = OPTION_NONE,
495                 .private = OPTION_NONE,
496                 .locked = OPTION_NONE,
497                 .marked = OPTION_NONE,
498                 .urgent = OPTION_NONE,
499                 .same_class = OPTION_NONE,
500                 .descendant_of = OPTION_NONE,
501                 .ancestor_of = OPTION_NONE,
502                 .below = OPTION_NONE,
503                 .normal = OPTION_NONE,
504                 .above = OPTION_NONE,
505                 .horizontal = OPTION_NONE,
506                 .vertical = OPTION_NONE
507         };
508         return sel;
509 }
510
511 desktop_select_t make_desktop_select(void)
512 {
513         desktop_select_t sel = {
514                 .occupied = OPTION_NONE,
515                 .focused = OPTION_NONE,
516                 .active = OPTION_NONE,
517                 .urgent = OPTION_NONE,
518                 .local = OPTION_NONE
519         };
520         return sel;
521 }
522
523 monitor_select_t make_monitor_select(void)
524 {
525         monitor_select_t sel = {
526                 .occupied = OPTION_NONE,
527                 .focused = OPTION_NONE
528         };
529         return sel;
530 }
531
532 int node_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
533 {
534         coordinates_t ref_copy = *ref;
535         ref = &ref_copy;
536         char *desc_copy = copy_string(desc, strlen(desc));
537         desc = desc_copy;
538
539         char *hash = strrchr(desc, '#');
540         char *path = strrchr(desc, '@');
541         char *colon = strrchr(desc, ':');
542
543         /* Discard hashes inside a DESKTOP_SEL */
544         if (hash != NULL && colon != NULL && path != NULL &&
545             path < hash && hash < colon) {
546                 if (path > desc && *(path - 1) == '#') {
547                         hash = path - 1;
548                 } else {
549                         hash = NULL;
550                 }
551         }
552
553         if (hash != NULL) {
554                 *hash = '\0';
555                 int ret;
556                 coordinates_t tmp = {mon, mon->desk, mon->desk->focus};
557                 if ((ret = node_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
558                         desc = hash + 1;
559                 } else {
560                         free(desc_copy);
561                         return ret;
562                 }
563         }
564
565         node_select_t sel = make_node_select();
566
567         if (!parse_node_modifiers(colon != NULL ? colon : desc, &sel)) {
568                 free(desc_copy);
569                 return SELECTOR_BAD_MODIFIERS;
570         }
571
572         dst->node = NULL;
573
574         direction_t dir;
575         cycle_dir_t cyc;
576         history_dir_t hdi;
577         if (parse_direction(desc, &dir)) {
578                 find_nearest_neighbor(ref, dst, dir, &sel);
579         } else if (parse_cycle_direction(desc, &cyc)) {
580                 find_closest_node(ref, dst, cyc, &sel);
581         } else if (parse_history_direction(desc, &hdi)) {
582                 history_find_node(hdi, ref, dst, &sel);
583         } else if (streq("any", desc)) {
584                 find_any_node(ref, dst, &sel);
585         } else if (streq("first_ancestor", desc)) {
586                 find_first_ancestor(ref, dst, &sel);
587         } else if (streq("last", desc)) {
588                 history_find_node(HISTORY_OLDER, ref, dst, &sel);
589         } else if (streq("newest", desc)) {
590                 history_find_newest_node(ref, dst, &sel);
591         } else if (streq("biggest", desc)) {
592                 find_by_area(AREA_BIGGEST, ref, dst, &sel);
593         } else if (streq("smallest", desc)) {
594                 find_by_area(AREA_SMALLEST, ref, dst, &sel);
595         } else if (streq("pointed", desc)) {
596                 xcb_window_t win = XCB_NONE;
597                 query_pointer(&win, NULL);
598                 if (locate_leaf(win, dst) && node_matches(dst, ref, &sel)) {
599                         return SELECTOR_OK;
600                 } else {
601                         return SELECTOR_INVALID;
602                 }
603         } else if (streq("focused", desc)) {
604                 coordinates_t loc = {mon, mon->desk, mon->desk->focus};
605                 if (node_matches(&loc, ref, &sel)) {
606                         *dst = loc;
607                 }
608         } else if (*desc == '@') {
609                 desc++;
610                 *dst = *ref;
611                 if (colon != NULL) {
612                         *colon = '\0';
613                         int ret;
614                         if ((ret = desktop_from_desc(desc, ref, dst)) == SELECTOR_OK) {
615                                 dst->node = dst->desktop->focus;
616                                 desc = colon + 1;
617                         } else {
618                                 free(desc_copy);
619                                 return ret;
620                         }
621                 }
622                 if (*desc == '/') {
623                         dst->node = dst->desktop->root;
624                 }
625                 char *move = strtok(desc, PTH_TOK);
626                 while (move != NULL && dst->node != NULL) {
627                         if (streq("first", move) || streq("1", move)) {
628                                 dst->node = dst->node->first_child;
629                         } else if (streq("second", move) || streq("2", move)) {
630                                 dst->node = dst->node->second_child;
631                         } else if (streq("parent", move)) {
632                                 dst->node = dst->node->parent;
633                         } else if (streq("brother", move)) {
634                                 dst->node = brother_tree(dst->node);
635                         } else {
636                                 direction_t dir;
637                                 if (parse_direction(move, &dir)) {
638                                         dst->node = find_fence(dst->node, dir);
639                                 } else {
640                                         free(desc_copy);
641                                         return SELECTOR_BAD_DESCRIPTOR;
642                                 }
643                         }
644                         move = strtok(NULL, PTH_TOK);
645                 }
646                 free(desc_copy);
647                 if (dst->node != NULL) {
648                         if (node_matches(dst, ref, &sel)) {
649                                 return SELECTOR_OK;
650                         } else {
651                                 return SELECTOR_INVALID;
652                         }
653                 } else if (dst->desktop->root != NULL) {
654                         return SELECTOR_INVALID;
655                 }
656                 return SELECTOR_OK;
657         } else {
658                 uint32_t id;
659                 if (parse_id(desc, &id)) {
660                         free(desc_copy);
661                         if (find_by_id(id, dst) && node_matches(dst, ref, &sel)) {
662                                 return SELECTOR_OK;
663                         } else {
664                                 return SELECTOR_INVALID;
665                         }
666                 } else {
667                         free(desc_copy);
668                         return SELECTOR_BAD_DESCRIPTOR;
669                 }
670         }
671
672         free(desc_copy);
673
674         if (dst->node == NULL) {
675                 return SELECTOR_INVALID;
676         }
677
678         return SELECTOR_OK;
679 }
680
681 int desktop_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
682 {
683         if (*desc == '%') {
684                 locate_desktop(desc + 1, dst);
685                 goto end;
686         }
687
688         coordinates_t ref_copy = *ref;
689         ref = &ref_copy;
690         char *desc_copy = copy_string(desc, strlen(desc));
691         desc = desc_copy;
692
693         char *hash = strrchr(desc, '#');
694
695         if (hash != NULL) {
696                 *hash = '\0';
697                 int ret;
698                 coordinates_t tmp = {mon, mon->desk, NULL};
699                 if ((ret = desktop_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
700                         desc = hash + 1;
701                 } else {
702                         free(desc_copy);
703                         return ret;
704                 }
705         }
706
707         desktop_select_t sel = make_desktop_select();
708         char *colon = strrchr(desc, ':');
709
710         if (!parse_desktop_modifiers(colon != NULL ? colon : desc, &sel)) {
711                 free(desc_copy);
712                 return SELECTOR_BAD_MODIFIERS;
713         }
714
715         dst->desktop = NULL;
716
717         cycle_dir_t cyc;
718         history_dir_t hdi;
719         uint16_t idx;
720         uint32_t id;
721         if (parse_cycle_direction(desc, &cyc)) {
722                 find_closest_desktop(ref, dst, cyc, &sel);
723         } else if (parse_history_direction(desc, &hdi)) {
724                 history_find_desktop(hdi, ref, dst, &sel);
725         } else if (streq("any", desc)) {
726                 find_any_desktop(ref, dst, &sel);
727         } else if (streq("last", desc)) {
728                 history_find_desktop(HISTORY_OLDER, ref, dst, &sel);
729         } else if (streq("newest", desc)) {
730                 history_find_newest_desktop(ref, dst, &sel);
731         } else if (streq("focused", desc)) {
732                 coordinates_t loc = {mon, mon->desk, NULL};
733                 if (desktop_matches(&loc, ref, &sel)) {
734                         *dst = loc;
735                 }
736         } else if (colon != NULL) {
737                 *colon = '\0';
738                 int ret;
739                 if ((ret = monitor_from_desc(desc, ref, dst)) == SELECTOR_OK) {
740                         if (streq("focused", colon + 1)) {
741                                 coordinates_t loc = {dst->monitor, dst->monitor->desk, NULL};
742                                 if (desktop_matches(&loc, ref, &sel)) {
743                                         *dst = loc;
744                                 }
745                         } else if (parse_index(colon + 1, &idx)) {
746                                 free(desc_copy);
747                                 if (desktop_from_index(idx, dst, dst->monitor) && desktop_matches(dst, ref, &sel)) {
748                                         return SELECTOR_OK;
749                                 } else {
750                                         return SELECTOR_INVALID;
751                                 }
752                         } else {
753                                 free(desc_copy);
754                                 return SELECTOR_BAD_DESCRIPTOR;
755                         }
756                 } else {
757                         free(desc_copy);
758                         return ret;
759                 }
760         } else if (parse_index(desc, &idx) && desktop_from_index(idx, dst, NULL)) {
761                 free(desc_copy);
762                 if (desktop_matches(dst, ref, &sel)) {
763                         return SELECTOR_OK;
764                 } else {
765                         return SELECTOR_INVALID;
766                 }
767         } else if (parse_id(desc, &id) && desktop_from_id(id, dst, NULL)) {
768                 free(desc_copy);
769                 if (desktop_matches(dst, ref, &sel)) {
770                         return SELECTOR_OK;
771                 } else {
772                         return SELECTOR_INVALID;
773                 }
774         } else {
775                 int hits = 0;
776                 if (desktop_from_name(desc, ref, dst, &sel, &hits)) {
777                         free(desc_copy);
778                         return SELECTOR_OK;
779                 } else {
780                         free(desc_copy);
781                         if (hits > 0) {
782                                 return SELECTOR_INVALID;
783                         } else {
784                                 return SELECTOR_BAD_DESCRIPTOR;
785                         }
786                 }
787         }
788
789         free(desc_copy);
790
791 end:
792         if (dst->desktop == NULL) {
793                 return SELECTOR_INVALID;
794         }
795
796         return SELECTOR_OK;
797 }
798
799 int monitor_from_desc(char *desc, coordinates_t *ref, coordinates_t *dst)
800 {
801         if (*desc == '%') {
802                 locate_monitor(desc + 1, dst);
803                 goto end;
804         }
805
806         coordinates_t ref_copy = *ref;
807         ref = &ref_copy;
808         char *desc_copy = copy_string(desc, strlen(desc));
809         desc = desc_copy;
810
811         char *hash = strrchr(desc, '#');
812
813         if (hash != NULL) {
814                 *hash = '\0';
815                 int ret;
816                 coordinates_t tmp = {mon, NULL, NULL};
817                 if ((ret = monitor_from_desc(desc, &tmp, ref)) == SELECTOR_OK) {
818                         desc = hash + 1;
819                 } else {
820                         free(desc_copy);
821                         return ret;
822                 }
823         }
824
825         monitor_select_t sel = make_monitor_select();
826
827         if (!parse_monitor_modifiers(desc, &sel)) {
828                 free(desc_copy);
829                 return SELECTOR_BAD_MODIFIERS;
830         }
831
832         dst->monitor = NULL;
833
834         direction_t dir;
835         cycle_dir_t cyc;
836         history_dir_t hdi;
837         uint16_t idx;
838         uint32_t id;
839         if (parse_direction(desc, &dir)) {
840                 dst->monitor = nearest_monitor(ref->monitor, dir, &sel);
841         } else if (parse_cycle_direction(desc, &cyc)) {
842                 dst->monitor = closest_monitor(ref->monitor, cyc, &sel);
843         } else if (parse_history_direction(desc, &hdi)) {
844                 history_find_monitor(hdi, ref, dst, &sel);
845         } else if (streq("any", desc)) {
846                 find_any_monitor(ref, dst, &sel);
847         } else if (streq("last", desc)) {
848                 history_find_monitor(HISTORY_OLDER, ref, dst, &sel);
849         } else if (streq("newest", desc)) {
850                 history_find_newest_monitor(ref, dst, &sel);
851         } else if (streq("primary", desc)) {
852                 if (pri_mon != NULL) {
853                         coordinates_t loc = {pri_mon, NULL, NULL};
854                         if (monitor_matches(&loc, ref, &sel)) {
855                                 dst->monitor = pri_mon;
856                         }
857                 }
858         } else if (streq("focused", desc)) {
859                 coordinates_t loc = {mon, NULL, NULL};
860                 if (monitor_matches(&loc, ref, &sel)) {
861                         dst->monitor = mon;
862                 }
863         } else if (streq("pointed", desc)) {
864                 xcb_point_t pointer;
865                 query_pointer(NULL, &pointer);
866                 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
867                         if (is_inside(pointer, m->rectangle)) {
868                                 dst->monitor = m;
869                                 break;
870                         }
871                 }
872         } else if (parse_index(desc, &idx) && monitor_from_index(idx, dst)) {
873                 free(desc_copy);
874                 if (monitor_matches(dst, ref, &sel)) {
875                         return SELECTOR_OK;
876                 } else {
877                         return SELECTOR_INVALID;
878                 }
879         } else if (parse_id(desc, &id) && monitor_from_id(id, dst)) {
880                 free(desc_copy);
881                 if (monitor_matches(dst, ref, &sel)) {
882                         return SELECTOR_OK;
883                 } else {
884                         return SELECTOR_INVALID;
885                 }
886         } else {
887                 if (locate_monitor(desc, dst)) {
888                         free(desc_copy);
889                         if (monitor_matches(dst, ref, &sel)) {
890                                 return SELECTOR_OK;
891                         } else {
892                                 return SELECTOR_INVALID;
893                         }
894                 } else {
895                         free(desc_copy);
896                         return SELECTOR_BAD_DESCRIPTOR;
897                 }
898         }
899
900         free(desc_copy);
901
902 end:
903         if (dst->monitor == NULL) {
904                 return SELECTOR_INVALID;
905         }
906
907         return SELECTOR_OK;
908 }
909
910 bool locate_leaf(xcb_window_t win, coordinates_t *loc)
911 {
912         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
913                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
914                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
915                                 if (n->id == win) {
916                                         loc->monitor = m;
917                                         loc->desktop = d;
918                                         loc->node = n;
919                                         return true;
920                                 }
921                         }
922                 }
923         }
924         return false;
925 }
926
927 bool locate_window(xcb_window_t win, coordinates_t *loc)
928 {
929         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
930                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
931                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
932                                 if (n->client == NULL) {
933                                         continue;
934                                 }
935                                 if (n->id == win) {
936                                         loc->monitor = m;
937                                         loc->desktop = d;
938                                         loc->node = n;
939                                         return true;
940                                 }
941                         }
942                 }
943         }
944         return false;
945 }
946
947 bool locate_desktop(char *name, coordinates_t *loc)
948 {
949         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
950                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
951                         if (streq(d->name, name)) {
952                                 loc->monitor = m;
953                                 loc->desktop = d;
954                                 return true;
955                         }
956                 }
957         }
958         return false;
959 }
960
961 bool locate_monitor(char *name, coordinates_t *loc)
962 {
963         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
964                 if (streq(m->name, name)) {
965                         loc->monitor = m;
966                         return true;
967                 }
968         }
969         return false;
970 }
971
972 bool desktop_from_id(uint32_t id, coordinates_t *loc, monitor_t *mm)
973 {
974         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
975                 if (mm != NULL && m != mm) {
976                         continue;
977                 }
978                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
979                         if (d->id == id) {
980                                 loc->monitor = m;
981                                 loc->desktop = d;
982                                 loc->node = NULL;
983                                 return true;
984                         }
985                 }
986         }
987         return false;
988 }
989
990 bool desktop_from_name(char *name, coordinates_t *ref, coordinates_t *dst, desktop_select_t *sel, int *hits)
991 {
992         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
993                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
994                         if (streq(d->name, name)) {
995                                 if (hits != NULL) {
996                                         (*hits)++;
997                                 }
998                                 coordinates_t loc = {m, d, NULL};
999                                 if (desktop_matches(&loc, ref, sel)) {
1000                                         dst->monitor = m;
1001                                         dst->desktop = d;
1002                                         return true;
1003                                 }
1004                         }
1005                 }
1006         }
1007         return false;
1008 }
1009
1010 bool desktop_from_index(uint16_t idx, coordinates_t *loc, monitor_t *mm)
1011 {
1012         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1013                 if (mm != NULL && m != mm) {
1014                         continue;
1015                 }
1016                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next, idx--) {
1017                         if (idx == 1) {
1018                                 loc->monitor = m;
1019                                 loc->desktop = d;
1020                                 loc->node = NULL;
1021                                 return true;
1022                         }
1023                 }
1024         }
1025         return false;
1026 }
1027
1028 bool monitor_from_id(uint32_t id, coordinates_t *loc)
1029 {
1030         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1031                 if (m->id == id) {
1032                         loc->monitor = m;
1033                         loc->desktop = NULL;
1034                         loc->node = NULL;
1035                         return true;
1036                 }
1037         }
1038         return false;
1039 }
1040
1041 bool monitor_from_index(int idx, coordinates_t *loc)
1042 {
1043         for (monitor_t *m = mon_head; m != NULL; m = m->next, idx--) {
1044                 if (idx == 1) {
1045                         loc->monitor = m;
1046                         loc->desktop = NULL;
1047                         loc->node = NULL;
1048                         return true;
1049                 }
1050         }
1051         return false;
1052 }
1053
1054 bool node_matches(coordinates_t *loc, coordinates_t *ref, node_select_t *sel)
1055 {
1056         if (loc->node == NULL) {
1057                 return false;
1058         }
1059
1060         if (sel->focused != OPTION_NONE &&
1061             loc->node != mon->desk->focus
1062             ? sel->focused == OPTION_TRUE
1063             : sel->focused == OPTION_FALSE) {
1064                 return false;
1065         }
1066
1067         if (sel->active != OPTION_NONE &&
1068             loc->node != loc->desktop->focus
1069             ? sel->active == OPTION_TRUE
1070             : sel->active == OPTION_FALSE) {
1071                 return false;
1072         }
1073
1074         if (sel->automatic != OPTION_NONE &&
1075             loc->node->presel != NULL
1076             ? sel->automatic == OPTION_TRUE
1077             : sel->automatic == OPTION_FALSE) {
1078                 return false;
1079         }
1080
1081         if (sel->local != OPTION_NONE &&
1082             loc->desktop != ref->desktop
1083             ? sel->local == OPTION_TRUE
1084             : sel->local == OPTION_FALSE) {
1085                 return false;
1086         }
1087
1088         if (sel->active != OPTION_NONE &&
1089             loc->desktop != loc->monitor->desk
1090             ? sel->active == OPTION_TRUE
1091             : sel->active == OPTION_FALSE) {
1092                 return false;
1093         }
1094
1095         if (sel->leaf != OPTION_NONE &&
1096             !is_leaf(loc->node)
1097             ? sel->leaf == OPTION_TRUE
1098             : sel->leaf == OPTION_FALSE) {
1099                 return false;
1100         }
1101
1102         if (sel->window != OPTION_NONE &&
1103             loc->node->client == NULL
1104             ? sel->window == OPTION_TRUE
1105             : sel->window == OPTION_FALSE) {
1106                 return false;
1107         }
1108
1109 #define NFLAG(p) \
1110         if (sel->p != OPTION_NONE && \
1111             !loc->node->p \
1112             ? sel->p == OPTION_TRUE \
1113             : sel->p == OPTION_FALSE) { \
1114                 return false; \
1115         }
1116         NFLAG(hidden)
1117         NFLAG(sticky)
1118         NFLAG(private)
1119         NFLAG(locked)
1120         NFLAG(marked)
1121 #undef NFLAG
1122
1123         if (loc->node->client == NULL &&
1124                 (sel->same_class != OPTION_NONE ||
1125                  sel->tiled != OPTION_NONE ||
1126                  sel->pseudo_tiled != OPTION_NONE ||
1127                  sel->floating != OPTION_NONE ||
1128                  sel->fullscreen != OPTION_NONE ||
1129                  sel->below != OPTION_NONE ||
1130                  sel->normal != OPTION_NONE ||
1131                  sel->above != OPTION_NONE ||
1132                  sel->urgent != OPTION_NONE)) {
1133                 return false;
1134         }
1135
1136         if (ref->node != NULL && ref->node->client != NULL &&
1137             sel->same_class != OPTION_NONE &&
1138             streq(loc->node->client->class_name, ref->node->client->class_name)
1139             ? sel->same_class == OPTION_FALSE
1140             : sel->same_class == OPTION_TRUE) {
1141                 return false;
1142         }
1143
1144         if (sel->descendant_of != OPTION_NONE &&
1145             !is_descendant(loc->node, ref->node)
1146             ? sel->descendant_of == OPTION_TRUE
1147             : sel->descendant_of == OPTION_FALSE) {
1148                 return false;
1149         }
1150
1151         if (sel->ancestor_of != OPTION_NONE &&
1152             !is_descendant(ref->node, loc->node)
1153             ? sel->ancestor_of == OPTION_TRUE
1154             : sel->ancestor_of == OPTION_FALSE) {
1155                 return false;
1156         }
1157
1158 #define WSTATE(p, e) \
1159         if (sel->p != OPTION_NONE && \
1160             loc->node->client->state != e \
1161             ? sel->p == OPTION_TRUE \
1162             : sel->p == OPTION_FALSE) { \
1163                 return false; \
1164         }
1165         WSTATE(tiled, STATE_TILED)
1166         WSTATE(pseudo_tiled, STATE_PSEUDO_TILED)
1167         WSTATE(floating, STATE_FLOATING)
1168         WSTATE(fullscreen, STATE_FULLSCREEN)
1169 #undef WSTATE
1170
1171 #define WLAYER(p, e) \
1172         if (sel->p != OPTION_NONE && \
1173             loc->node->client->layer != e \
1174             ? sel->p == OPTION_TRUE \
1175             : sel->p == OPTION_FALSE) { \
1176                 return false; \
1177         }
1178         WLAYER(below, LAYER_BELOW)
1179         WLAYER(normal, LAYER_NORMAL)
1180         WLAYER(above, LAYER_ABOVE)
1181 #undef WLAYER
1182
1183 #define WFLAG(p) \
1184         if (sel->p != OPTION_NONE && \
1185             !loc->node->client->p \
1186             ? sel->p == OPTION_TRUE \
1187             : sel->p == OPTION_FALSE) { \
1188                 return false; \
1189         }
1190         WFLAG(urgent)
1191 #undef WFLAG
1192
1193         if (sel->horizontal != OPTION_NONE &&
1194             loc->node->split_type != TYPE_HORIZONTAL
1195             ? sel->horizontal == OPTION_TRUE
1196             : sel->horizontal == OPTION_FALSE) {
1197                 return false;
1198         }
1199
1200         if (sel->vertical != OPTION_NONE &&
1201             loc->node->split_type != TYPE_VERTICAL
1202             ? sel->vertical == OPTION_TRUE
1203             : sel->vertical == OPTION_FALSE) {
1204                 return false;
1205         }
1206
1207         return true;
1208 }
1209
1210 bool desktop_matches(coordinates_t *loc, coordinates_t *ref, desktop_select_t *sel)
1211 {
1212         if (sel->occupied != OPTION_NONE &&
1213             loc->desktop->root == NULL
1214             ? sel->occupied == OPTION_TRUE
1215             : sel->occupied == OPTION_FALSE) {
1216                 return false;
1217         }
1218
1219         if (sel->focused != OPTION_NONE &&
1220             loc->desktop != mon->desk
1221             ? sel->focused == OPTION_TRUE
1222             : sel->focused == OPTION_FALSE) {
1223                 return false;
1224         }
1225
1226         if (sel->active != OPTION_NONE &&
1227             loc->desktop != loc->monitor->desk
1228             ? sel->active == OPTION_TRUE
1229             : sel->active == OPTION_FALSE) {
1230                 return false;
1231         }
1232
1233         if (sel->urgent != OPTION_NONE &&
1234             !is_urgent(loc->desktop)
1235             ? sel->urgent == OPTION_TRUE
1236             : sel->urgent == OPTION_FALSE) {
1237                 return false;
1238         }
1239
1240         if (sel->local != OPTION_NONE &&
1241             ref->monitor != loc->monitor
1242             ? sel->local == OPTION_TRUE
1243             : sel->local == OPTION_FALSE) {
1244                 return false;
1245         }
1246
1247         return true;
1248 }
1249
1250 bool monitor_matches(coordinates_t *loc, __attribute__((unused)) coordinates_t *ref, monitor_select_t *sel)
1251 {
1252         if (sel->occupied != OPTION_NONE &&
1253             loc->monitor->desk->root == NULL
1254             ? sel->occupied == OPTION_TRUE
1255             : sel->occupied == OPTION_FALSE) {
1256                 return false;
1257         }
1258
1259         if (sel->focused != OPTION_NONE &&
1260             loc->monitor != mon
1261             ? sel->focused == OPTION_TRUE
1262             : sel->focused == OPTION_FALSE) {
1263                 return false;
1264         }
1265
1266         return true;
1267 }