i3
con.c
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1/*
2 * vim:ts=4:sw=4:expandtab
3 *
4 * i3 - an improved dynamic tiling window manager
5 * © 2009 Michael Stapelberg and contributors (see also: LICENSE)
6 *
7 * con.c: Functions which deal with containers directly (creating containers,
8 * searching containers, getting specific properties from containers,
9 * …).
10 *
11 */
12#include "all.h"
13#include "yajl_utils.h"
14
15static void con_on_remove_child(Con *con);
16
17/*
18 * force parent split containers to be redrawn
19 *
20 */
22 Con *parent = con;
23
24 while (parent != NULL && parent->type != CT_WORKSPACE && parent->type != CT_DOCKAREA) {
25 if (!con_is_leaf(parent)) {
26 FREE(parent->deco_render_params);
27 }
28
29 parent = parent->parent;
30 }
31}
32
33/*
34 * Create a new container (and attach it to the given parent, if not NULL).
35 * This function only initializes the data structures.
36 *
37 */
38Con *con_new_skeleton(Con *parent, i3Window *window) {
39 Con *new = scalloc(1, sizeof(Con));
40 new->on_remove_child = con_on_remove_child;
42 new->type = CT_CON;
43 new->window = window;
44 new->border_style = new->max_user_border_style = config.default_border;
45 new->current_border_width = -1;
46 new->window_icon_padding = -1;
47 if (window) {
48 new->depth = window->depth;
49 } else {
50 new->depth = root_depth;
51 }
52 DLOG("opening window\n");
53
54 TAILQ_INIT(&(new->floating_head));
55 TAILQ_INIT(&(new->nodes_head));
56 TAILQ_INIT(&(new->focus_head));
57 TAILQ_INIT(&(new->swallow_head));
58 TAILQ_INIT(&(new->marks_head));
59
60 if (parent != NULL)
61 con_attach(new, parent, false);
62
63 return new;
64}
65
66/* A wrapper for con_new_skeleton, to retain the old con_new behaviour
67 *
68 */
69Con *con_new(Con *parent, i3Window *window) {
70 Con *new = con_new_skeleton(parent, window);
71 x_con_init(new);
72 return new;
73}
74
75/*
76 * Frees the specified container.
77 *
78 */
79void con_free(Con *con) {
80 free(con->name);
83 while (!TAILQ_EMPTY(&(con->swallow_head))) {
84 Match *match = TAILQ_FIRST(&(con->swallow_head));
85 TAILQ_REMOVE(&(con->swallow_head), match, matches);
86 match_free(match);
87 free(match);
88 }
89 while (!TAILQ_EMPTY(&(con->marks_head))) {
90 mark_t *mark = TAILQ_FIRST(&(con->marks_head));
91 TAILQ_REMOVE(&(con->marks_head), mark, marks);
92 FREE(mark->name);
93 FREE(mark);
94 }
95 DLOG("con %p freed\n", con);
96 free(con);
97}
98
99static void _con_attach(Con *con, Con *parent, Con *previous, bool ignore_focus) {
100 con->parent = parent;
101 Con *loop;
102 Con *current = previous;
103 struct nodes_head *nodes_head = &(parent->nodes_head);
104 struct focus_head *focus_head = &(parent->focus_head);
105
106 /* Workspaces are handled differently: they need to be inserted at the
107 * right position. */
108 if (con->type == CT_WORKSPACE) {
109 DLOG("it's a workspace. num = %d\n", con->num);
110 if (con->num == -1 || TAILQ_EMPTY(nodes_head)) {
111 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
112 } else {
113 current = TAILQ_FIRST(nodes_head);
114 if (con->num < current->num) {
115 /* we need to insert the container at the beginning */
116 TAILQ_INSERT_HEAD(nodes_head, con, nodes);
117 } else {
118 while (current->num != -1 && con->num > current->num) {
119 current = TAILQ_NEXT(current, nodes);
120 if (current == TAILQ_END(nodes_head)) {
121 current = NULL;
122 break;
123 }
124 }
125 /* we need to insert con after current, if current is not NULL */
126 if (current)
127 TAILQ_INSERT_BEFORE(current, con, nodes);
128 else
129 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
130 }
131 }
132 goto add_to_focus_head;
133 }
134
135 if (parent->type == CT_DOCKAREA) {
136 /* Insert dock client, sorting alphanumerically by class and then
137 * instance name. This makes dock client order deterministic. As a side
138 * effect, bars without a custom bar id will be sorted according to
139 * their declaration order in the config file. See #3491. */
140 current = NULL;
141 TAILQ_FOREACH (loop, nodes_head, nodes) {
142 int result = strcasecmp_nullable(con->window->class_class, loop->window->class_class);
143 if (result == 0) {
145 }
146 if (result < 0) {
147 current = loop;
148 break;
149 }
150 }
151 if (current) {
152 TAILQ_INSERT_BEFORE(loop, con, nodes);
153 } else {
154 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
155 }
156 goto add_to_focus_head;
157 }
158
159 if (con->type == CT_FLOATING_CON) {
160 DLOG("Inserting into floating containers\n");
161 TAILQ_INSERT_TAIL(&(parent->floating_head), con, floating_windows);
162 } else {
163 if (!ignore_focus) {
164 /* Get the first tiling container in focus stack */
165 TAILQ_FOREACH (loop, &(parent->focus_head), focused) {
166 if (loop->type == CT_FLOATING_CON)
167 continue;
168 current = loop;
169 break;
170 }
171 }
172
173 /* When the container is not a split container (but contains a window)
174 * and is attached to a workspace, we check if the user configured a
175 * workspace_layout. This is done in workspace_attach_to, which will
176 * provide us with the container to which we should attach (either the
177 * workspace or a new split container with the configured
178 * workspace_layout).
179 */
180 if (con->window != NULL &&
181 parent->type == CT_WORKSPACE &&
182 parent->workspace_layout != L_DEFAULT) {
183 DLOG("Parent is a workspace. Applying default layout...\n");
184 Con *target = workspace_attach_to(parent);
185
186 /* Attach the original con to this new split con instead */
187 nodes_head = &(target->nodes_head);
188 focus_head = &(target->focus_head);
189 con->parent = target;
190 current = NULL;
191
192 DLOG("done\n");
193 }
194
195 /* Insert the container after the tiling container, if found.
196 * When adding to a CT_OUTPUT, just append one after another. */
197 if (current != NULL && parent->type != CT_OUTPUT) {
198 DLOG("Inserting con = %p after con %p\n", con, current);
199 TAILQ_INSERT_AFTER(nodes_head, current, con, nodes);
200 } else
201 TAILQ_INSERT_TAIL(nodes_head, con, nodes);
202 }
203
204add_to_focus_head:
205 /* We insert to the TAIL because con_focus() will correct this.
206 * This way, we have the option to insert Cons without having
207 * to focus them. */
208 TAILQ_INSERT_TAIL(focus_head, con, focused);
210}
211
212/*
213 * Attaches the given container to the given parent. This happens when moving
214 * a container or when inserting a new container at a specific place in the
215 * tree.
216 *
217 * ignore_focus is to just insert the Con at the end (useful when creating a
218 * new split container *around* some containers, that is, detaching and
219 * attaching them in order without wanting to mess with the focus in between).
220 *
221 */
222void con_attach(Con *con, Con *parent, bool ignore_focus) {
223 _con_attach(con, parent, NULL, ignore_focus);
224}
225
226/*
227 * Detaches the given container from its current parent
228 *
229 */
230void con_detach(Con *con) {
232 if (con->type == CT_FLOATING_CON) {
233 TAILQ_REMOVE(&(con->parent->floating_head), con, floating_windows);
234 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
235 } else {
236 TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
237 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
238 }
239}
240
241/*
242 * Sets input focus to the given container. Will be updated in X11 in the next
243 * run of x_push_changes().
244 *
245 */
246void con_focus(Con *con) {
247 assert(con != NULL);
248 DLOG("con_focus = %p\n", con);
249
250 /* 1: set focused-pointer to the new con */
251 /* 2: exchange the position of the container in focus stack of the parent all the way up */
252 TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
253 TAILQ_INSERT_HEAD(&(con->parent->focus_head), con, focused);
254 if (con->parent->parent != NULL)
255 con_focus(con->parent);
256
257 focused = con;
258 /* We can't blindly reset non-leaf containers since they might have
259 * other urgent children. Therefore we only reset leafs and propagate
260 * the changes upwards via con_update_parents_urgency() which does proper
261 * checks before resetting the urgency.
262 */
263 if (con->urgent && con_is_leaf(con)) {
264 con_set_urgency(con, false);
267 ipc_send_window_event("urgent", con);
268 }
269}
270
271/*
272 * Raise container to the top if it is floating or inside some floating
273 * container.
274 *
275 */
276static void con_raise(Con *con) {
277 Con *floating = con_inside_floating(con);
278 if (floating) {
279 floating_raise_con(floating);
280 }
281}
282
283/*
284 * Sets input focus to the given container and raises it to the top.
285 *
286 */
287void con_activate(Con *con) {
288 con_focus(con);
289 con_raise(con);
290}
291
292/*
293 * Activates the container like in con_activate but removes fullscreen
294 * restrictions and properly warps the pointer if needed.
295 *
296 */
298 Con *ws = con_get_workspace(con);
299 Con *previous_focus = focused;
300 Con *fullscreen_on_ws = con_get_fullscreen_covering_ws(ws);
301
302 if (fullscreen_on_ws && fullscreen_on_ws != con && !con_has_parent(con, fullscreen_on_ws)) {
303 con_disable_fullscreen(fullscreen_on_ws);
304 }
305
306 con_activate(con);
307
308 /* If the container is not on the current workspace, workspace_show() will
309 * switch to a different workspace and (if enabled) trigger a mouse pointer
310 * warp to the currently focused container (!) on the target workspace.
311 *
312 * Therefore, before calling workspace_show(), we make sure that 'con' will
313 * be focused on the workspace. However, we cannot just con_focus(con)
314 * because then the pointer will not be warped at all (the code thinks we
315 * are already there).
316 *
317 * So we focus 'con' to make it the currently focused window of the target
318 * workspace, then revert focus. */
319 if (ws != con_get_workspace(previous_focus)) {
320 con_activate(previous_focus);
321 /* Now switch to the workspace, then focus */
322 workspace_show(ws);
323 con_activate(con);
324 }
325}
326
327/*
328 * Closes the given container.
329 *
330 */
331void con_close(Con *con, kill_window_t kill_window) {
332 assert(con != NULL);
333 DLOG("Closing con = %p.\n", con);
334
335 /* We never close output or root containers. */
336 if (con->type == CT_OUTPUT || con->type == CT_ROOT) {
337 DLOG("con = %p is of type %d, not closing anything.\n", con, con->type);
338 return;
339 }
340
341 if (con->type == CT_WORKSPACE) {
342 DLOG("con = %p is a workspace, closing all children instead.\n", con);
343 Con *child, *nextchild;
344 for (child = TAILQ_FIRST(&(con->focus_head)); child;) {
345 nextchild = TAILQ_NEXT(child, focused);
346 DLOG("killing child = %p.\n", child);
347 tree_close_internal(child, kill_window, false);
348 child = nextchild;
349 }
350
351 return;
352 }
353
354 tree_close_internal(con, kill_window, false);
355}
356
357/*
358 * Returns true when this node is a leaf node (has no children)
359 *
360 */
361bool con_is_leaf(Con *con) {
362 return TAILQ_EMPTY(&(con->nodes_head));
363}
364
365/*
366 * Returns true when this con is a leaf node with a managed X11 window (e.g.,
367 * excluding dock containers)
368 */
370 return (con != NULL && con->window != NULL && con->window->id != XCB_WINDOW_NONE && con_get_workspace(con) != NULL);
371}
372
373/*
374 * Returns true if this node has regular or floating children.
375 *
376 */
378 return (!con_is_leaf(con) || !TAILQ_EMPTY(&(con->floating_head)));
379}
380
381/*
382 * Returns true if a container should be considered split.
383 *
384 */
385bool con_is_split(Con *con) {
386 if (con_is_leaf(con))
387 return false;
388
389 switch (con->layout) {
390 case L_DOCKAREA:
391 case L_OUTPUT:
392 return false;
393
394 default:
395 return true;
396 }
397}
398
399/*
400 * This will only return true for containers which have some parent with
401 * a tabbed / stacked parent of which they are not the currently focused child.
402 *
403 */
404bool con_is_hidden(Con *con) {
405 Con *current = con;
406
407 /* ascend to the workspace level and memorize the highest-up container
408 * which is stacked or tabbed. */
409 while (current != NULL && current->type != CT_WORKSPACE) {
410 Con *parent = current->parent;
411 if (parent != NULL && (parent->layout == L_TABBED || parent->layout == L_STACKED)) {
412 if (TAILQ_FIRST(&(parent->focus_head)) != current)
413 return true;
414 }
415
416 current = parent;
417 }
418
419 return false;
420}
421
422/*
423 * Returns whether the container or any of its children is sticky.
424 *
425 */
426bool con_is_sticky(Con *con) {
427 if (con->sticky)
428 return true;
429
430 Con *child;
431 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
432 if (con_is_sticky(child))
433 return true;
434 }
435
436 return false;
437}
438
439/*
440 * Returns true if this node accepts a window (if the node swallows windows,
441 * it might already have swallowed enough and cannot hold any more).
442 *
443 */
445 /* 1: workspaces never accept direct windows */
446 if (con->type == CT_WORKSPACE)
447 return false;
448
449 if (con_is_split(con)) {
450 DLOG("container %p does not accept windows, it is a split container.\n", con);
451 return false;
452 }
453
454 /* TODO: if this is a swallowing container, we need to check its max_clients */
455 return (con->window == NULL);
456}
457
458/*
459 * Gets the output container (first container with CT_OUTPUT in hierarchy) this
460 * node is on.
461 *
462 */
464 Con *result = con;
465 while (result != NULL && result->type != CT_OUTPUT)
466 result = result->parent;
467 /* We must be able to get an output because focus can never be set higher
468 * in the tree (root node cannot be focused). */
469 assert(result != NULL);
470 return result;
471}
472
473/*
474 * Gets the workspace container this node is on.
475 *
476 */
478 Con *result = con;
479 while (result != NULL && result->type != CT_WORKSPACE)
480 result = result->parent;
481 return result;
482}
483
484/*
485 * Searches parents of the given 'con' until it reaches one with the specified
486 * 'orientation'. Aborts when it comes across a floating_con.
487 *
488 */
490 DLOG("Searching for parent of Con %p with orientation %d\n", con, orientation);
491 Con *parent = con->parent;
492 if (parent->type == CT_FLOATING_CON)
493 return NULL;
494 while (con_orientation(parent) != orientation) {
495 DLOG("Need to go one level further up\n");
496 parent = parent->parent;
497 /* Abort when we reach a floating con, or an output con */
498 if (parent &&
499 (parent->type == CT_FLOATING_CON ||
500 parent->type == CT_OUTPUT ||
501 (parent->parent && parent->parent->type == CT_OUTPUT)))
502 parent = NULL;
503 if (parent == NULL)
504 break;
505 }
506 DLOG("Result: %p\n", parent);
507 return parent;
508}
509
510/*
511 * helper data structure for the breadth-first-search in
512 * con_get_fullscreen_con()
513 *
514 */
515struct bfs_entry {
517
518 TAILQ_ENTRY(bfs_entry) entries;
519};
520
521/*
522 * Returns the first fullscreen node below this node.
523 *
524 */
526 Con *current, *child;
527
528 /* TODO: is breadth-first-search really appropriate? (check as soon as
529 * fullscreen levels and fullscreen for containers is implemented) */
530 TAILQ_HEAD(bfs_head, bfs_entry) bfs_head = TAILQ_HEAD_INITIALIZER(bfs_head);
531 struct bfs_entry *entry = smalloc(sizeof(struct bfs_entry));
532 entry->con = con;
533 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
534
535 while (!TAILQ_EMPTY(&bfs_head)) {
536 entry = TAILQ_FIRST(&bfs_head);
537 current = entry->con;
538 if (current != con && current->fullscreen_mode == fullscreen_mode) {
539 /* empty the queue */
540 while (!TAILQ_EMPTY(&bfs_head)) {
541 entry = TAILQ_FIRST(&bfs_head);
542 TAILQ_REMOVE(&bfs_head, entry, entries);
543 free(entry);
544 }
545 return current;
546 }
547
548 TAILQ_REMOVE(&bfs_head, entry, entries);
549 free(entry);
550
551 TAILQ_FOREACH (child, &(current->nodes_head), nodes) {
552 entry = smalloc(sizeof(struct bfs_entry));
553 entry->con = child;
554 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
555 }
556
557 TAILQ_FOREACH (child, &(current->floating_head), floating_windows) {
558 entry = smalloc(sizeof(struct bfs_entry));
559 entry->con = child;
560 TAILQ_INSERT_TAIL(&bfs_head, entry, entries);
561 }
562 }
563
564 return NULL;
565}
566
567/*
568 * Returns the fullscreen node that covers the given workspace if it exists.
569 * This is either a CF_GLOBAL fullscreen container anywhere or a CF_OUTPUT
570 * fullscreen container in the workspace.
571 *
572 */
574 if (!ws) {
575 return NULL;
576 }
578 if (!fs) {
580 }
581 return fs;
582}
583
584/*
585 * Returns true if the container is internal, such as __i3_scratch
586 *
587 */
589 return (con->name[0] == '_' && con->name[1] == '_');
590}
591
592/*
593 * Returns true if the node is floating.
594 *
595 */
597 assert(con != NULL);
598 return (con->floating >= FLOATING_AUTO_ON);
599}
600
601/*
602 * Returns true if the container is a docked container.
603 *
604 */
606 if (con->parent == NULL)
607 return false;
608
609 if (con->parent->type == CT_DOCKAREA)
610 return true;
611
612 return con_is_docked(con->parent);
613}
614
615/*
616 * Checks if the given container is either floating or inside some floating
617 * container. It returns the FLOATING_CON container.
618 *
619 */
621 if (con == NULL) {
622 return NULL;
623 }
624
625 if (con->type == CT_FLOATING_CON)
626 return con;
627
628 if (con->floating >= FLOATING_AUTO_ON)
629 return con->parent;
630
631 if (con->type == CT_WORKSPACE || con->type == CT_OUTPUT)
632 return NULL;
633
635}
636
637/*
638 * Checks if the given container is inside a focused container.
639 *
640 */
642 if (con == focused)
643 return true;
644 if (!con->parent)
645 return false;
647}
648
649/*
650 * Checks if the container has the given parent as an actual parent.
651 *
652 */
653bool con_has_parent(Con *con, Con *parent) {
654 Con *current = con->parent;
655 if (current == NULL) {
656 return false;
657 }
658
659 if (current == parent) {
660 return true;
661 }
662
663 return con_has_parent(current, parent);
664}
665
666/*
667 * Returns the container with the given client window ID or NULL if no such
668 * container exists.
669 *
670 */
671Con *con_by_window_id(xcb_window_t window) {
672 Con *con;
674 if (con->window != NULL && con->window->id == window) {
675 return con;
676 }
677 }
678 return NULL;
679}
680
681/*
682 * Returns the container with the given container ID or NULL if no such
683 * container exists.
684 *
685 */
686Con *con_by_con_id(long target) {
687 Con *con;
689 if (con == (Con *)target) {
690 return con;
691 }
692 }
693
694 return NULL;
695}
696
697/*
698 * Returns true if the given container (still) exists.
699 * This can be used, e.g., to make sure a container hasn't been closed in the meantime.
700 *
701 */
703 return con_by_con_id((long)con) != NULL;
704}
705
706/*
707 * Returns the container with the given frame ID or NULL if no such container
708 * exists.
709 *
710 */
711Con *con_by_frame_id(xcb_window_t frame) {
712 Con *con;
714 if (con->frame.id == frame) {
715 return con;
716 }
717 }
718 return NULL;
719}
720
721/*
722 * Returns the container with the given mark or NULL if no such container
723 * exists.
724 *
725 */
726Con *con_by_mark(const char *mark) {
727 Con *con;
729 if (con_has_mark(con, mark))
730 return con;
731 }
732
733 return NULL;
734}
735
736/*
737 * Start from a container and traverse the transient_for linked list. Returns
738 * true if target window is found in the list. Protects againsts potential
739 * cycles.
740 *
741 */
742bool con_find_transient_for_window(Con *start, xcb_window_t target) {
743 Con *transient_con = start;
744 int count = con_num_windows(croot);
745 while (transient_con != NULL &&
746 transient_con->window != NULL &&
747 transient_con->window->transient_for != XCB_NONE) {
748 DLOG("transient_con = 0x%08x, transient_con->window->transient_for = 0x%08x, target = 0x%08x\n",
749 transient_con->window->id, transient_con->window->transient_for, target);
750 if (transient_con->window->transient_for == target) {
751 return true;
752 }
753 Con *next_transient = con_by_window_id(transient_con->window->transient_for);
754 if (next_transient == NULL) {
755 break;
756 }
757 /* Some clients (e.g. x11-ssh-askpass) actually set WM_TRANSIENT_FOR to
758 * their own window id, so break instead of looping endlessly. */
759 if (transient_con == next_transient) {
760 break;
761 }
762 transient_con = next_transient;
763
764 if (count-- <= 0) { /* Avoid cycles, see #4404 */
765 break;
766 }
767 }
768 return false;
769}
770
771/*
772 * Returns true if and only if the given containers holds the mark.
773 *
774 */
775bool con_has_mark(Con *con, const char *mark) {
776 mark_t *current;
777 TAILQ_FOREACH (current, &(con->marks_head), marks) {
778 if (strcmp(current->name, mark) == 0)
779 return true;
780 }
781
782 return false;
783}
784
785/*
786 * Toggles the mark on a container.
787 * If the container already has this mark, the mark is removed.
788 * Otherwise, the mark is assigned to the container.
789 *
790 */
791void con_mark_toggle(Con *con, const char *mark, mark_mode_t mode) {
792 assert(con != NULL);
793 DLOG("Toggling mark \"%s\" on con = %p.\n", mark, con);
794
795 if (con_has_mark(con, mark)) {
796 con_unmark(con, mark);
797 } else {
798 con_mark(con, mark, mode);
799 }
800}
801
802/*
803 * Assigns a mark to the container.
804 *
805 */
806void con_mark(Con *con, const char *mark, mark_mode_t mode) {
807 assert(con != NULL);
808 DLOG("Setting mark \"%s\" on con = %p.\n", mark, con);
809
810 con_unmark(NULL, mark);
811 if (mode == MM_REPLACE) {
812 DLOG("Removing all existing marks on con = %p.\n", con);
813
814 mark_t *current;
815 while (!TAILQ_EMPTY(&(con->marks_head))) {
816 current = TAILQ_FIRST(&(con->marks_head));
817 con_unmark(con, current->name);
818 }
819 }
820
821 mark_t *new = scalloc(1, sizeof(mark_t));
822 new->name = sstrdup(mark);
823 TAILQ_INSERT_TAIL(&(con->marks_head), new, marks);
824 ipc_send_window_event("mark", con);
825
826 con->mark_changed = true;
827}
828
829/*
830 * Removes marks from containers.
831 * If con is NULL, all containers are considered.
832 * If name is NULL, this removes all existing marks.
833 * Otherwise, it will only remove the given mark (if it is present).
834 *
835 */
836void con_unmark(Con *con, const char *name) {
837 Con *current;
838 if (name == NULL) {
839 DLOG("Unmarking all containers.\n");
840 TAILQ_FOREACH (current, &all_cons, all_cons) {
841 if (con != NULL && current != con)
842 continue;
843
844 if (TAILQ_EMPTY(&(current->marks_head)))
845 continue;
846
847 mark_t *mark;
848 while (!TAILQ_EMPTY(&(current->marks_head))) {
849 mark = TAILQ_FIRST(&(current->marks_head));
850 FREE(mark->name);
851 TAILQ_REMOVE(&(current->marks_head), mark, marks);
852 FREE(mark);
853
854 ipc_send_window_event("mark", current);
855 }
856
857 current->mark_changed = true;
858 }
859 } else {
860 DLOG("Removing mark \"%s\".\n", name);
861 current = (con == NULL) ? con_by_mark(name) : con;
862 if (current == NULL) {
863 DLOG("No container found with this mark, so there is nothing to do.\n");
864 return;
865 }
866
867 DLOG("Found mark on con = %p. Removing it now.\n", current);
868 current->mark_changed = true;
869
870 mark_t *mark;
871 TAILQ_FOREACH (mark, &(current->marks_head), marks) {
872 if (strcmp(mark->name, name) != 0)
873 continue;
874
875 FREE(mark->name);
876 TAILQ_REMOVE(&(current->marks_head), mark, marks);
877 FREE(mark);
878
879 ipc_send_window_event("mark", current);
880 break;
881 }
882 }
883}
884
885/*
886 * Returns the first container below 'con' which wants to swallow this window
887 * TODO: priority
888 *
889 */
890Con *con_for_window(Con *con, i3Window *window, Match **store_match) {
891 Con *child;
892 Match *match;
893
894 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
895 TAILQ_FOREACH (match, &(child->swallow_head), matches) {
896 if (!match_matches_window(match, window))
897 continue;
898 if (store_match != NULL)
899 *store_match = match;
900 return child;
901 }
902 Con *result = con_for_window(child, window, store_match);
903 if (result != NULL)
904 return result;
905 }
906
907 TAILQ_FOREACH (child, &(con->floating_head), floating_windows) {
908 TAILQ_FOREACH (match, &(child->swallow_head), matches) {
909 if (!match_matches_window(match, window))
910 continue;
911 if (store_match != NULL)
912 *store_match = match;
913 return child;
914 }
915 Con *result = con_for_window(child, window, store_match);
916 if (result != NULL)
917 return result;
918 }
919
920 return NULL;
921}
922
923static int num_focus_heads(Con *con) {
924 int focus_heads = 0;
925
926 Con *current;
927 TAILQ_FOREACH (current, &(con->focus_head), focused) {
928 focus_heads++;
929 }
930
931 return focus_heads;
932}
933
934/*
935 * Iterate over the container's focus stack and return an array with the
936 * containers inside it, ordered from higher focus order to lowest.
937 *
938 */
940 const int focus_heads = num_focus_heads(con);
941 Con **focus_order = smalloc(focus_heads * sizeof(Con *));
942 Con *current;
943 int idx = 0;
944 TAILQ_FOREACH (current, &(con->focus_head), focused) {
945 assert(idx < focus_heads);
946 focus_order[idx++] = current;
947 }
948
949 return focus_order;
950}
951
952/*
953 * Clear the container's focus stack and re-add it using the provided container
954 * array. The function doesn't check if the provided array contains the same
955 * containers with the previous focus stack but will not add floating containers
956 * in the new focus stack if container is not a workspace.
957 *
958 */
959void set_focus_order(Con *con, Con **focus_order) {
960 int focus_heads = 0;
961 while (!TAILQ_EMPTY(&(con->focus_head))) {
962 Con *current = TAILQ_FIRST(&(con->focus_head));
963
964 TAILQ_REMOVE(&(con->focus_head), current, focused);
965 focus_heads++;
966 }
967
968 for (int idx = 0; idx < focus_heads; idx++) {
969 /* Useful when encapsulating a workspace. */
970 if (con->type != CT_WORKSPACE && con_inside_floating(focus_order[idx])) {
971 focus_heads++;
972 continue;
973 }
974
975 TAILQ_INSERT_TAIL(&(con->focus_head), focus_order[idx], focused);
976 }
977}
978
979/*
980 * Returns the number of children of this container.
981 *
982 */
984 Con *child;
985 int children = 0;
986
987 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
988 children++;
989 }
990
991 return children;
992}
993
994/*
995 * Returns the number of visible non-floating children of this container.
996 * For example, if the container contains a hsplit which has two children,
997 * this will return 2 instead of 1.
998 */
1000 if (con == NULL)
1001 return 0;
1002
1003 int children = 0;
1004 Con *current = NULL;
1005 TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
1006 /* Visible leaf nodes are a child. */
1007 if (!con_is_hidden(current) && con_is_leaf(current))
1008 children++;
1009 /* All other containers need to be recursed. */
1010 else
1011 children += con_num_visible_children(current);
1012 }
1013
1014 return children;
1015}
1016
1017/*
1018 * Count the number of windows (i.e., leaf containers).
1019 *
1020 */
1022 if (con == NULL)
1023 return 0;
1024
1026 return 1;
1027
1028 int num = 0;
1029 Con *current = NULL;
1030 TAILQ_FOREACH (current, &(con->nodes_head), nodes) {
1031 num += con_num_windows(current);
1032 }
1033
1034 TAILQ_FOREACH (current, &(con->floating_head), floating_windows) {
1035 num += con_num_windows(current);
1036 }
1037
1038 return num;
1039}
1040
1041/*
1042 * Updates the percent attribute of the children of the given container. This
1043 * function needs to be called when a window is added or removed from a
1044 * container.
1045 *
1046 */
1048 Con *child;
1049 int children = con_num_children(con);
1050
1051 /* calculate how much we have distributed and how many containers with a
1052 * percentage set we have */
1053 double total = 0.0;
1054 int children_with_percent = 0;
1055 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
1056 if (child->percent > 0.0) {
1057 total += child->percent;
1058 ++children_with_percent;
1059 }
1060 }
1061
1062 /* if there were children without a percentage set, set to a value that
1063 * will make those children proportional to all others */
1064 if (children_with_percent != children) {
1065 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
1066 if (child->percent <= 0.0) {
1067 if (children_with_percent == 0) {
1068 total += (child->percent = 1.0);
1069 } else {
1070 total += (child->percent = total / children_with_percent);
1071 }
1072 }
1073 }
1074 }
1075
1076 /* if we got a zero, just distribute the space equally, otherwise
1077 * distribute according to the proportions we got */
1078 if (total == 0.0) {
1079 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
1080 child->percent = 1.0 / children;
1081 }
1082 } else if (total != 1.0) {
1083 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
1084 child->percent /= total;
1085 }
1086 }
1087}
1088
1089/*
1090 * Toggles fullscreen mode for the given container. If there already is a
1091 * fullscreen container on this workspace, fullscreen will be disabled and then
1092 * enabled for the container the user wants to have in fullscreen mode.
1093 *
1094 */
1095void con_toggle_fullscreen(Con *con, int fullscreen_mode) {
1096 if (con->type == CT_WORKSPACE) {
1097 DLOG("You cannot make a workspace fullscreen.\n");
1098 return;
1099 }
1100
1101 DLOG("toggling fullscreen for %p / %s\n", con, con->name);
1102
1103 if (con->fullscreen_mode == CF_NONE)
1104 con_enable_fullscreen(con, fullscreen_mode);
1105 else
1107}
1108
1109/*
1110 * Sets the specified fullscreen mode for the given container, sends the
1111 * “fullscreen_mode” event and changes the XCB fullscreen property of the
1112 * container’s window, if any.
1113 *
1114 */
1115static void con_set_fullscreen_mode(Con *con, fullscreen_mode_t fullscreen_mode) {
1116 con->fullscreen_mode = fullscreen_mode;
1117
1118 DLOG("mode now: %d\n", con->fullscreen_mode);
1119
1120 /* Send an ipc window "fullscreen_mode" event */
1121 ipc_send_window_event("fullscreen_mode", con);
1122
1123 /* update _NET_WM_STATE if this container has a window */
1124 /* TODO: when a window is assigned to a container which is already
1125 * fullscreened, this state needs to be pushed to the client, too */
1126 if (con->window == NULL)
1127 return;
1128
1129 if (con->fullscreen_mode != CF_NONE) {
1130 DLOG("Setting _NET_WM_STATE_FULLSCREEN for con = %p / window = %d.\n", con, con->window->id);
1131 xcb_add_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_FULLSCREEN);
1132 } else {
1133 DLOG("Removing _NET_WM_STATE_FULLSCREEN for con = %p / window = %d.\n", con, con->window->id);
1134 xcb_remove_property_atom(conn, con->window->id, A__NET_WM_STATE, A__NET_WM_STATE_FULLSCREEN);
1135 }
1136}
1137
1138/*
1139 * Enables fullscreen mode for the given container, if necessary.
1140 *
1141 * If the container’s mode is already CF_OUTPUT or CF_GLOBAL, the container is
1142 * kept fullscreen but its mode is set to CF_GLOBAL and CF_OUTPUT,
1143 * respectively.
1144 *
1145 * Other fullscreen containers will be disabled first, if they hide the new
1146 * one.
1147 *
1148 */
1150 if (con->type == CT_WORKSPACE) {
1151 DLOG("You cannot make a workspace fullscreen.\n");
1152 return;
1153 }
1154
1155 assert(fullscreen_mode == CF_GLOBAL || fullscreen_mode == CF_OUTPUT);
1156
1157 if (fullscreen_mode == CF_GLOBAL)
1158 DLOG("enabling global fullscreen for %p / %s\n", con, con->name);
1159 else
1160 DLOG("enabling fullscreen for %p / %s\n", con, con->name);
1161
1162 if (con->fullscreen_mode == fullscreen_mode) {
1163 DLOG("fullscreen already enabled for %p / %s\n", con, con->name);
1164 return;
1165 }
1166
1167 Con *con_ws = con_get_workspace(con);
1168
1169 /* Disable any fullscreen container that would conflict the new one. */
1170 Con *fullscreen = con_get_fullscreen_con(croot, CF_GLOBAL);
1171 if (fullscreen == NULL)
1172 fullscreen = con_get_fullscreen_con(con_ws, CF_OUTPUT);
1173 if (fullscreen != NULL)
1174 con_disable_fullscreen(fullscreen);
1175
1176 /* Set focus to new fullscreen container. Unless in global fullscreen mode
1177 * and on another workspace restore focus afterwards.
1178 * Switch to the container’s workspace if mode is global. */
1179 Con *cur_ws = con_get_workspace(focused);
1180 Con *old_focused = focused;
1181 if (fullscreen_mode == CF_GLOBAL && cur_ws != con_ws)
1182 workspace_show(con_ws);
1184 if (fullscreen_mode != CF_GLOBAL && cur_ws != con_ws)
1185 con_activate(old_focused);
1186
1187 con_set_fullscreen_mode(con, fullscreen_mode);
1188}
1189
1190/*
1191 * Disables fullscreen mode for the given container regardless of the mode, if
1192 * necessary.
1193 *
1194 */
1196 if (con->type == CT_WORKSPACE) {
1197 DLOG("You cannot make a workspace fullscreen.\n");
1198 return;
1199 }
1200
1201 DLOG("disabling fullscreen for %p / %s\n", con, con->name);
1202
1203 if (con->fullscreen_mode == CF_NONE) {
1204 DLOG("fullscreen already disabled for %p / %s\n", con, con->name);
1205 return;
1206 }
1207
1209}
1210
1211static bool _con_move_to_con(Con *con, Con *target, bool behind_focused, bool fix_coordinates, bool dont_warp, bool ignore_focus, bool fix_percentage) {
1212 Con *orig_target = target;
1213
1214 /* Prevent moving if this would violate the fullscreen focus restrictions. */
1215 Con *target_ws = con_get_workspace(target);
1216 if (!ignore_focus && !con_fullscreen_permits_focusing(target_ws)) {
1217 LOG("Cannot move out of a fullscreen container.\n");
1218 return false;
1219 }
1220
1221 if (con_is_floating(con)) {
1222 DLOG("Container is floating, using parent instead.\n");
1223 con = con->parent;
1224 }
1225
1226 Con *source_ws = con_get_workspace(con);
1227
1228 if (con->type == CT_WORKSPACE) {
1229 /* Re-parent all of the old workspace's floating windows. */
1230 Con *child;
1231 while (!TAILQ_EMPTY(&(source_ws->floating_head))) {
1232 child = TAILQ_FIRST(&(source_ws->floating_head));
1233 con_move_to_workspace(child, target_ws, true, true, false);
1234 }
1235
1236 /* If there are no non-floating children, ignore the workspace. */
1237 if (con_is_leaf(con))
1238 return false;
1239
1241 if (con == NULL) {
1242 ELOG("Workspace failed to move its contents into a container!\n");
1243 return false;
1244 }
1245 }
1246
1247 /* Save the urgency state so that we can restore it. */
1248 bool urgent = con->urgent;
1249
1250 /* Save the current workspace. So we can call workspace_show() by the end
1251 * of this function. */
1252 Con *current_ws = con_get_workspace(focused);
1253
1254 Con *source_output = con_get_output(con),
1255 *dest_output = con_get_output(target_ws);
1256
1257 /* 1: save the container which is going to be focused after the current
1258 * container is moved away */
1259 Con *focus_next = NULL;
1260 if (!ignore_focus && source_ws == current_ws && target_ws != source_ws) {
1261 focus_next = con_descend_focused(source_ws);
1262 if (focus_next == con || con_has_parent(focus_next, con)) {
1263 focus_next = con_next_focused(con);
1264 }
1265 }
1266
1267 /* 2: we go up one level, but only when target is a normal container */
1268 if (target->type != CT_WORKSPACE) {
1269 DLOG("target originally = %p / %s / type %d\n", target, target->name, target->type);
1270 target = target->parent;
1271 }
1272
1273 /* 3: if the original target is the direct child of a floating container, we
1274 * can't move con next to it - floating containers have only one child - so
1275 * we get the workspace instead. */
1276 if (target->type == CT_FLOATING_CON) {
1277 DLOG("floatingcon, going up even further\n");
1278 orig_target = target;
1279 target = target->parent;
1280 }
1281
1282 if (con->type == CT_FLOATING_CON) {
1283 Con *ws = con_get_workspace(target);
1284 DLOG("This is a floating window, using workspace %p / %s\n", ws, ws->name);
1285 target = ws;
1286 }
1287
1288 if (source_output != dest_output) {
1289 /* Take the relative coordinates of the current output, then add them
1290 * to the coordinate space of the correct output */
1291 if (fix_coordinates && con->type == CT_FLOATING_CON) {
1292 floating_fix_coordinates(con, &(source_output->rect), &(dest_output->rect));
1293 } else
1294 DLOG("Not fixing coordinates, fix_coordinates flag = %d\n", fix_coordinates);
1295 }
1296
1297 /* If moving a fullscreen container and the destination already has a
1298 * fullscreen window on it, un-fullscreen the target's fullscreen con.
1299 * con->fullscreen_mode is not enough in some edge cases:
1300 * 1. con is CT_FLOATING_CON, child is fullscreen.
1301 * 2. con is the parent of a fullscreen container, can be triggered by
1302 * moving the parent with command criteria.
1303 */
1304 Con *fullscreen = con_get_fullscreen_con(target_ws, CF_OUTPUT);
1305 const bool con_has_fullscreen = con->fullscreen_mode != CF_NONE ||
1308 if (con_has_fullscreen && fullscreen != NULL) {
1309 con_toggle_fullscreen(fullscreen, CF_OUTPUT);
1310 fullscreen = NULL;
1311 }
1312
1313 DLOG("Re-attaching container to %p / %s\n", target, target->name);
1314 /* 4: re-attach the con to the parent of this focused container */
1315 Con *parent = con->parent;
1316 con_detach(con);
1317 _con_attach(con, target, behind_focused ? NULL : orig_target, !behind_focused);
1318
1319 /* 5: fix the percentages */
1320 if (fix_percentage) {
1321 con_fix_percent(parent);
1322 con->percent = 0.0;
1323 con_fix_percent(target);
1324 }
1325
1326 /* 6: focus the con on the target workspace, but only within that
1327 * workspace, that is, don’t move focus away if the target workspace is
1328 * invisible.
1329 * We don’t focus the con for i3 pseudo workspaces like __i3_scratch and
1330 * we don’t focus when there is a fullscreen con on that workspace. We
1331 * also don't do it if the caller requested to ignore focus. */
1332 if (!ignore_focus && !con_is_internal(target_ws) && !fullscreen) {
1333 /* We need to save the focused workspace on the output in case the
1334 * new workspace is hidden and it's necessary to immediately switch
1335 * back to the originally-focused workspace. */
1336 Con *old_focus_ws = TAILQ_FIRST(&(output_get_content(dest_output)->focus_head));
1337 Con *old_focus = focused;
1339
1340 if (old_focus_ws == current_ws && old_focus->type != CT_WORKSPACE) {
1341 /* Restore focus to the currently focused container. */
1342 con_activate(old_focus);
1343 } else if (con_get_workspace(focused) != old_focus_ws) {
1344 /* Restore focus if the output's focused workspace has changed. */
1345 con_focus(con_descend_focused(old_focus_ws));
1346 }
1347 }
1348
1349 /* 7: when moving to another workspace, we leave the focus on the current
1350 * workspace. (see also #809) */
1351 if (!ignore_focus) {
1352 workspace_show(current_ws);
1353 if (dont_warp) {
1354 DLOG("x_set_warp_to(NULL) because dont_warp is set\n");
1355 x_set_warp_to(NULL);
1356 }
1357 }
1358
1359 /* Set focus only if con was on current workspace before moving.
1360 * Otherwise we would give focus to some window on different workspace. */
1361 if (focus_next)
1362 con_activate(con_descend_focused(focus_next));
1363
1364 /* 8. If anything within the container is associated with a startup sequence,
1365 * delete it so child windows won't be created on the old workspace. */
1366 if (!con_is_leaf(con)) {
1367 Con *child;
1368 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
1369 if (!child->window)
1370 continue;
1372 }
1373 }
1374
1375 if (con->window) {
1377 }
1378
1379 /* 9. If the container was marked urgent, move the urgency hint. */
1380 if (urgent) {
1382 con_set_urgency(con, true);
1383 }
1384
1385 /* Ensure the container will be redrawn. */
1387
1388 CALL(parent, on_remove_child);
1389
1390 ipc_send_window_event("move", con);
1392 return true;
1393}
1394
1396 /* For target containers in the scratchpad, we just send the window to the scratchpad. */
1397 if (con_get_workspace(target) == workspace_get("__i3_scratch")) {
1398 DLOG("target container is in the scratchpad, moving container to scratchpad.\n");
1400 return true;
1401 }
1402
1403 /* For floating target containers, we just send the window to the same workspace. */
1404 if (con_is_floating(target)) {
1405 DLOG("target container is floating, moving container to target's workspace.\n");
1406 con_move_to_workspace(con, con_get_workspace(target), true, false, false);
1407 return true;
1408 }
1409
1410 if (target->type == CT_WORKSPACE && con_is_leaf(target)) {
1411 DLOG("target container is an empty workspace, simply moving the container there.\n");
1412 con_move_to_workspace(con, target, true, false, false);
1413 return true;
1414 }
1415
1416 /* For split containers, we use the currently focused container within it.
1417 * This allows setting marks on, e.g., tabbed containers which will move
1418 * con to a new tab behind the focused tab. */
1419 if (con_is_split(target)) {
1420 DLOG("target is a split container, descending to the currently focused child.\n");
1421 target = TAILQ_FIRST(&(target->focus_head));
1422 }
1423
1424 if (con == target || con_has_parent(target, con)) {
1425 DLOG("cannot move the container to or inside itself, aborting.\n");
1426 return false;
1427 }
1428
1429 return _con_move_to_con(con, target, false, true, false, false, true);
1430}
1431
1432/*
1433 * Moves the given container to the given mark.
1434 *
1435 */
1436bool con_move_to_mark(Con *con, const char *mark) {
1437 Con *target = con_by_mark(mark);
1438 if (target == NULL) {
1439 DLOG("found no container with mark \"%s\"\n", mark);
1440 return false;
1441 }
1442
1443 return con_move_to_target(con, target);
1444}
1445
1446/*
1447 * Moves the given container to the currently focused container on the given
1448 * workspace.
1449 *
1450 * The fix_coordinates flag will translate the current coordinates (offset from
1451 * the monitor position basically) to appropriate coordinates on the
1452 * destination workspace.
1453 * Not enabling this behaviour comes in handy when this function gets called by
1454 * floating_maybe_reassign_ws, which will only "move" a floating window when it
1455 * *already* changed its coordinates to a different output.
1456 *
1457 * The dont_warp flag disables pointer warping and will be set when this
1458 * function is called while dragging a floating window.
1459 *
1460 * If ignore_focus is set, the container will be moved without modifying focus
1461 * at all.
1462 *
1463 * TODO: is there a better place for this function?
1464 *
1465 */
1466void con_move_to_workspace(Con *con, Con *workspace, bool fix_coordinates, bool dont_warp, bool ignore_focus) {
1467 assert(workspace->type == CT_WORKSPACE);
1468
1469 Con *source_ws = con_get_workspace(con);
1470 if (workspace == source_ws) {
1471 DLOG("Not moving, already there\n");
1472 return;
1473 }
1474
1475 Con *target = con_descend_focused(workspace);
1476 _con_move_to_con(con, target, true, fix_coordinates, dont_warp, ignore_focus, true);
1477}
1478
1479/*
1480 * Moves the given container to the currently focused container on the
1481 * visible workspace on the given output.
1482 *
1483 */
1484void con_move_to_output(Con *con, Output *output, bool fix_coordinates) {
1485 Con *ws = NULL;
1487 assert(ws != NULL);
1488 DLOG("Moving con %p to output %s\n", con, output_primary_name(output));
1489 con_move_to_workspace(con, ws, fix_coordinates, false, false);
1490}
1491
1492/*
1493 * Moves the given container to the currently focused container on the
1494 * visible workspace on the output specified by the given name.
1495 * The current output for the container is used to resolve relative names
1496 * such as left, right, up, down.
1497 *
1498 */
1499bool con_move_to_output_name(Con *con, const char *name, bool fix_coordinates) {
1500 Output *current_output = get_output_for_con(con);
1501 Output *output = get_output_from_string(current_output, name);
1502 if (output == NULL) {
1503 ELOG("Could not find output \"%s\"\n", name);
1504 return false;
1505 }
1506
1507 con_move_to_output(con, output, fix_coordinates);
1508 return true;
1509}
1510
1511/*
1512 * Returns the orientation of the given container (for stacked containers,
1513 * vertical orientation is used regardless of the actual orientation of the
1514 * container).
1515 *
1516 */
1518 switch (con->layout) {
1519 case L_SPLITV:
1520 /* stacking containers behave like they are in vertical orientation */
1521 case L_STACKED:
1522 return VERT;
1523
1524 case L_SPLITH:
1525 /* tabbed containers behave like they are in vertical orientation */
1526 case L_TABBED:
1527 return HORIZ;
1528
1529 case L_DEFAULT:
1530 ELOG("Someone called con_orientation() on a con with L_DEFAULT, this is a bug in the code.\n");
1531 assert(false);
1532
1533 case L_DOCKAREA:
1534 case L_OUTPUT:
1535 ELOG("con_orientation() called on dockarea/output (%d) container %p\n", con->layout, con);
1536 assert(false);
1537 }
1538 /* should not be reached */
1539 assert(false);
1540}
1541
1542/*
1543 * Returns the container which will be focused next when the given container
1544 * is not available anymore. Called in tree_close_internal and con_move_to_workspace
1545 * to properly restore focus.
1546 *
1547 */
1549 /* dock clients cannot be focused, so we focus the workspace instead */
1550 if (con->parent->type == CT_DOCKAREA) {
1551 DLOG("selecting workspace for dock client\n");
1553 }
1554 if (con_is_floating(con)) {
1555 con = con->parent;
1556 }
1557
1558 /* if 'con' is not the first entry in the focus stack, use the first one as
1559 * it’s currently focused already */
1560 Con *next = TAILQ_FIRST(&(con->parent->focus_head));
1561 if (next != con) {
1562 DLOG("Using first entry %p\n", next);
1563 } else {
1564 /* try to focus the next container on the same level as this one or fall
1565 * back to its parent */
1566 if (!(next = TAILQ_NEXT(con, focused))) {
1567 next = con->parent;
1568 }
1569 }
1570
1571 /* now go down the focus stack as far as
1572 * possible, excluding the current container */
1573 while (!TAILQ_EMPTY(&(next->focus_head)) && TAILQ_FIRST(&(next->focus_head)) != con) {
1574 next = TAILQ_FIRST(&(next->focus_head));
1575 }
1576
1577 if (con->type == CT_FLOATING_CON && next != con->parent) {
1578 next = con_descend_focused(next);
1579 }
1580
1581 return next;
1582}
1583
1584/*
1585 * Returns the focused con inside this client, descending the tree as far as
1586 * possible. This comes in handy when attaching a con to a workspace at the
1587 * currently focused position, for example.
1588 *
1589 */
1591 Con *next = con;
1592 while (next != focused && !TAILQ_EMPTY(&(next->focus_head)))
1593 next = TAILQ_FIRST(&(next->focus_head));
1594 return next;
1595}
1596
1597/*
1598 * Returns the focused con inside this client, descending the tree as far as
1599 * possible. This comes in handy when attaching a con to a workspace at the
1600 * currently focused position, for example.
1601 *
1602 * Works like con_descend_focused but considers only tiling cons.
1603 *
1604 */
1606 Con *next = con;
1607 Con *before;
1608 Con *child;
1609 if (next == focused)
1610 return next;
1611 do {
1612 before = next;
1613 TAILQ_FOREACH (child, &(next->focus_head), focused) {
1614 if (child->type == CT_FLOATING_CON)
1615 continue;
1616
1617 next = child;
1618 break;
1619 }
1620 } while (before != next && next != focused);
1621 return next;
1622}
1623
1624/*
1625 * Returns the leftmost, rightmost, etc. container in sub-tree. For example, if
1626 * direction is D_LEFT, then we return the rightmost container and if direction
1627 * is D_RIGHT, we return the leftmost container. This is because if we are
1628 * moving D_LEFT, and thus want the rightmost container.
1629 *
1630 */
1632 Con *most = NULL;
1633 Con *current;
1634 int orientation = con_orientation(con);
1635 DLOG("con_descend_direction(%p, orientation %d, direction %d)\n", con, orientation, direction);
1636 if (direction == D_LEFT || direction == D_RIGHT) {
1637 if (orientation == HORIZ) {
1638 /* If the direction is horizontal, we can use either the first
1639 * (D_RIGHT) or the last con (D_LEFT) */
1640 if (direction == D_RIGHT)
1641 most = TAILQ_FIRST(&(con->nodes_head));
1642 else
1643 most = TAILQ_LAST(&(con->nodes_head), nodes_head);
1644 } else if (orientation == VERT) {
1645 /* Wrong orientation. We use the last focused con. Within that con,
1646 * we recurse to chose the left/right con or at least the last
1647 * focused one. */
1648 TAILQ_FOREACH (current, &(con->focus_head), focused) {
1649 if (current->type != CT_FLOATING_CON) {
1650 most = current;
1651 break;
1652 }
1653 }
1654 } else {
1655 /* If the con has no orientation set, it’s not a split container
1656 * but a container with a client window, so stop recursing */
1657 return con;
1658 }
1659 }
1660
1661 if (direction == D_UP || direction == D_DOWN) {
1662 if (orientation == VERT) {
1663 /* If the direction is vertical, we can use either the first
1664 * (D_DOWN) or the last con (D_UP) */
1665 if (direction == D_UP)
1666 most = TAILQ_LAST(&(con->nodes_head), nodes_head);
1667 else
1668 most = TAILQ_FIRST(&(con->nodes_head));
1669 } else if (orientation == HORIZ) {
1670 /* Wrong orientation. We use the last focused con. Within that con,
1671 * we recurse to chose the top/bottom con or at least the last
1672 * focused one. */
1673 TAILQ_FOREACH (current, &(con->focus_head), focused) {
1674 if (current->type != CT_FLOATING_CON) {
1675 most = current;
1676 break;
1677 }
1678 }
1679 } else {
1680 /* If the con has no orientation set, it’s not a split container
1681 * but a container with a client window, so stop recursing */
1682 return con;
1683 }
1684 }
1685
1686 if (!most)
1687 return con;
1688 return con_descend_direction(most, direction);
1689}
1690
1691static bool has_outer_gaps(gaps_t gaps) {
1692 return gaps.top > 0 ||
1693 gaps.right > 0 ||
1694 gaps.bottom > 0 ||
1695 gaps.left > 0;
1696}
1697
1698/*
1699 * Returns whether the window decoration (title bar) should be drawn into the
1700 * X11 frame window of this container (default) or into the X11 frame window of
1701 * the parent container (for stacked/tabbed containers).
1702 *
1703 */
1705 return con_is_leaf(con) &&
1707 (con->parent == NULL ||
1708 (con->parent->layout != L_TABBED &&
1709 con->parent->layout != L_STACKED));
1710}
1711
1717 if (!con_is_floating(con))
1718 return (Rect){0, 0, 0, 0};
1719 }
1720
1721 adjacent_t borders_to_hide = ADJ_NONE;
1722 int border_width = con->current_border_width;
1723 DLOG("The border width for con is set to: %d\n", con->current_border_width);
1724 Rect result;
1725 if (con->current_border_width < 0) {
1726 if (con_is_floating(con)) {
1728 } else {
1729 border_width = config.default_border_width;
1730 }
1731 }
1732 DLOG("Effective border width is set to: %d\n", border_width);
1733 /* Shortcut to avoid calling con_adjacent_borders() on dock containers. */
1734 int border_style = con_border_style(con);
1735 if (border_style == BS_NONE)
1736 return (Rect){0, 0, 0, 0};
1737 if (border_style == BS_NORMAL) {
1738 result = (Rect){border_width, 0, -(2 * border_width), -(border_width)};
1739 } else {
1740 result = (Rect){border_width, border_width, -(2 * border_width), -(2 * border_width)};
1741 }
1742
1743 /* If hide_edge_borders is set to no_gaps and it did not pass the no border check, show all borders */
1745 borders_to_hide = con_adjacent_borders(con) & HEBM_NONE;
1746 } else {
1747 borders_to_hide = con_adjacent_borders(con) & config.hide_edge_borders;
1748 }
1749
1750 if (borders_to_hide & ADJ_LEFT_SCREEN_EDGE) {
1751 result.x -= border_width;
1752 result.width += border_width;
1753 }
1754 if (borders_to_hide & ADJ_RIGHT_SCREEN_EDGE) {
1755 result.width += border_width;
1756 }
1757 if (borders_to_hide & ADJ_UPPER_SCREEN_EDGE && (border_style != BS_NORMAL)) {
1758 result.y -= border_width;
1759 result.height += border_width;
1760 }
1761 if (borders_to_hide & ADJ_LOWER_SCREEN_EDGE) {
1762 result.height += border_width;
1763 }
1764 return result;
1765}
1766
1767/*
1768 * Returns a "relative" Rect which contains the amount of pixels that need to
1769 * be added to the original Rect to get the final position (obviously the
1770 * amount of pixels for normal, 1pixel and borderless are different).
1771 *
1772 */
1775 if (con_border_style(con) == BS_NORMAL &&
1777 const int deco_height = render_deco_height();
1778 result.y += deco_height;
1779 result.height -= deco_height;
1780 }
1781 return result;
1782}
1783
1784/*
1785 * Returns adjacent borders of the window. We need this if hide_edge_borders is
1786 * enabled.
1787 */
1789 adjacent_t result = ADJ_NONE;
1790 /* Floating windows are never adjacent to any other window, so
1791 don’t hide their border(s). This prevents bug #998. */
1792 if (con_is_floating(con))
1793 return result;
1794
1795 Con *workspace = con_get_workspace(con);
1796 if (con->rect.x == workspace->rect.x)
1797 result |= ADJ_LEFT_SCREEN_EDGE;
1798 if (con->rect.x + con->rect.width == workspace->rect.x + workspace->rect.width)
1799 result |= ADJ_RIGHT_SCREEN_EDGE;
1800 if (con->rect.y == workspace->rect.y)
1801 result |= ADJ_UPPER_SCREEN_EDGE;
1802 if (con->rect.y + con->rect.height == workspace->rect.y + workspace->rect.height)
1803 result |= ADJ_LOWER_SCREEN_EDGE;
1804 return result;
1805}
1806
1807/*
1808 * Use this function to get a container’s border style. This is important
1809 * because when inside a stack, the border style is always BS_NORMAL.
1810 * For tabbed mode, the same applies, with one exception: when the container is
1811 * borderless and the only element in the tabbed container, the border is not
1812 * rendered.
1813 *
1814 * For children of a CT_DOCKAREA, the border style is always none.
1815 *
1816 */
1819 DLOG("this one is fullscreen! overriding BS_NONE\n");
1820 return BS_NONE;
1821 }
1822
1823 if (con->parent != NULL) {
1824 if (con->parent->layout == L_STACKED) {
1825 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
1826 }
1827
1829 return (con_num_children(con->parent) == 1 ? con->border_style : BS_NORMAL);
1830 }
1831
1832 if (con->parent->type == CT_DOCKAREA) {
1833 return BS_NONE;
1834 }
1835 }
1836
1837 return con->border_style;
1838}
1839
1840/*
1841 * Sets the given border style on con, correctly keeping the position/size of a
1842 * floating window.
1843 *
1844 */
1845void con_set_border_style(Con *con, border_style_t border_style, int border_width) {
1846 if (border_style > con->max_user_border_style) {
1847 border_style = con->max_user_border_style;
1848 }
1849
1850 /* Handle the simple case: non-floating containerns */
1851 if (!con_is_floating(con)) {
1852 con->border_style = border_style;
1853 con->current_border_width = border_width;
1854 return;
1855 }
1856
1857 /* For floating containers, we want to keep the position/size of the
1858 * *window* itself. We first add the border pixels to con->rect to make
1859 * con->rect represent the absolute position of the window (same for
1860 * parent). Then, we change the border style and subtract the new border
1861 * pixels. For the parent, we do the same also for the decoration. */
1862 Con *parent = con->parent;
1864
1865 con->rect = rect_add(con->rect, bsr);
1866 parent->rect = rect_add(parent->rect, bsr);
1867
1868 /* Change the border style, get new border/decoration values. */
1869 con->border_style = border_style;
1870 con->current_border_width = border_width;
1872
1873 con->rect = rect_sub(con->rect, bsr);
1874 parent->rect = rect_sub(parent->rect, bsr);
1875}
1876
1877/*
1878 * This function changes the layout of a given container. Use it to handle
1879 * special cases like changing a whole workspace to stacked/tabbed (creates a
1880 * new split container before).
1881 *
1882 */
1884 DLOG("con_set_layout(%p, %d), con->type = %d\n",
1885 con, layout, con->type);
1886
1887 /* Users can focus workspaces, but not any higher in the hierarchy.
1888 * Focus on the workspace is a special case, since in every other case, the
1889 * user means "change the layout of the parent split container". */
1890 if (con->type != CT_WORKSPACE)
1891 con = con->parent;
1892
1893 /* We fill in last_split_layout when switching to a different layout
1894 * since there are many places in the code that don’t use
1895 * con_set_layout(). */
1896 if (con->layout == L_SPLITH || con->layout == L_SPLITV)
1898
1899 /* When the container type is CT_WORKSPACE, the user wants to change the
1900 * whole workspace into stacked/tabbed mode. To do this and still allow
1901 * intuitive operations (like level-up and then opening a new window), we
1902 * need to create a new split container. */
1903 if (con->type == CT_WORKSPACE) {
1904 if (con_num_children(con) == 0) {
1905 layout_t ws_layout = (layout == L_STACKED || layout == L_TABBED) ? layout : L_DEFAULT;
1906 DLOG("Setting workspace_layout to %d\n", ws_layout);
1907 con->workspace_layout = ws_layout;
1908 DLOG("Setting layout to %d\n", layout);
1909 con->layout = layout;
1910 } else if (layout == L_STACKED || layout == L_TABBED || layout == L_SPLITV || layout == L_SPLITH) {
1911 DLOG("Creating new split container\n");
1912 /* 1: create a new split container */
1913 Con *new = con_new(NULL, NULL);
1914 new->parent = con;
1915
1916 /* 2: Set the requested layout on the split container and mark it as
1917 * split. */
1918 new->layout = layout;
1919 new->last_split_layout = con->last_split_layout;
1920
1921 /* 3: move the existing cons of this workspace below the new con */
1922 Con **focus_order = get_focus_order(con);
1923
1924 DLOG("Moving cons\n");
1925 Con *child;
1926 while (!TAILQ_EMPTY(&(con->nodes_head))) {
1927 child = TAILQ_FIRST(&(con->nodes_head));
1928 con_detach(child);
1929 con_attach(child, new, true);
1930 }
1931
1932 set_focus_order(new, focus_order);
1933 free(focus_order);
1934
1935 /* 4: attach the new split container to the workspace */
1936 DLOG("Attaching new split to ws\n");
1937 con_attach(new, con, false);
1938
1941 return;
1942 }
1943 }
1944
1945 if (layout == L_DEFAULT) {
1946 /* Special case: the layout formerly known as "default" (in combination
1947 * with an orientation). Since we switched to splith/splitv layouts,
1948 * using the "default" layout (which "only" should happen when using
1949 * legacy configs) is using the last split layout (either splith or
1950 * splitv) in order to still do the same thing. */
1952 /* In case last_split_layout was not initialized… */
1953 if (con->layout == L_DEFAULT)
1954 con->layout = L_SPLITH;
1955 } else {
1956 con->layout = layout;
1957 }
1959}
1960
1961/*
1962 * This function toggles the layout of a given container. toggle_mode can be
1963 * either 'default' (toggle only between stacked/tabbed/last_split_layout),
1964 * 'split' (toggle only between splitv/splith) or 'all' (toggle between all
1965 * layouts).
1966 *
1967 */
1968void con_toggle_layout(Con *con, const char *toggle_mode) {
1969 Con *parent = con;
1970 /* Users can focus workspaces, but not any higher in the hierarchy.
1971 * Focus on the workspace is a special case, since in every other case, the
1972 * user means "change the layout of the parent split container". */
1973 if (con->type != CT_WORKSPACE)
1974 parent = con->parent;
1975 DLOG("con_toggle_layout(%p, %s), parent = %p\n", con, toggle_mode, parent);
1976
1977 const char delim[] = " ";
1978
1979 if (strcasecmp(toggle_mode, "split") == 0 || strstr(toggle_mode, delim)) {
1980 /* L_DEFAULT is used as a placeholder value to distinguish if
1981 * the first layout has already been saved. (it can never be L_DEFAULT) */
1982 layout_t new_layout = L_DEFAULT;
1983 bool current_layout_found = false;
1984 char *tm_dup = sstrdup(toggle_mode);
1985 char *cur_tok = strtok(tm_dup, delim);
1986
1987 for (layout_t layout; cur_tok != NULL; cur_tok = strtok(NULL, delim)) {
1988 if (strcasecmp(cur_tok, "split") == 0) {
1989 /* Toggle between splits. When the current layout is not a split
1990 * layout, we just switch back to last_split_layout. Otherwise, we
1991 * change to the opposite split layout. */
1992 if (parent->layout != L_SPLITH && parent->layout != L_SPLITV) {
1993 layout = parent->last_split_layout;
1994 /* In case last_split_layout was not initialized… */
1995 if (layout == L_DEFAULT) {
1996 layout = L_SPLITH;
1997 }
1998 } else {
1999 layout = (parent->layout == L_SPLITH) ? L_SPLITV : L_SPLITH;
2000 }
2001 } else {
2002 bool success = layout_from_name(cur_tok, &layout);
2003 if (!success || layout == L_DEFAULT) {
2004 ELOG("The token '%s' was not recognized and has been skipped.\n", cur_tok);
2005 continue;
2006 }
2007 }
2008
2009 /* If none of the specified layouts match the current,
2010 * fall back to the first layout in the list */
2011 if (new_layout == L_DEFAULT) {
2012 new_layout = layout;
2013 }
2014
2015 /* We found the active layout in the last iteration, so
2016 * now let's activate the current layout (next in list) */
2017 if (current_layout_found) {
2018 new_layout = layout;
2019 break;
2020 }
2021
2022 if (parent->layout == layout) {
2023 current_layout_found = true;
2024 }
2025 }
2026 free(tm_dup);
2027
2028 if (new_layout != L_DEFAULT) {
2029 con_set_layout(con, new_layout);
2030 }
2031 } else if (strcasecmp(toggle_mode, "all") == 0 || strcasecmp(toggle_mode, "default") == 0) {
2032 if (parent->layout == L_STACKED)
2034 else if (parent->layout == L_TABBED) {
2035 if (strcasecmp(toggle_mode, "all") == 0)
2037 else
2039 } else if (parent->layout == L_SPLITH || parent->layout == L_SPLITV) {
2040 if (strcasecmp(toggle_mode, "all") == 0) {
2041 /* When toggling through all modes, we toggle between
2042 * splith/splitv, whereas normally we just directly jump to
2043 * stacked. */
2044 if (parent->layout == L_SPLITH)
2046 else
2048 } else {
2050 }
2051 }
2052 }
2053}
2054
2055/*
2056 * Callback which will be called when removing a child from the given con.
2057 * Kills the container if it is empty and replaces it with the child if there
2058 * is exactly one child.
2059 *
2060 */
2062 DLOG("on_remove_child\n");
2063
2064 /* Every container 'above' (in the hierarchy) the workspace content should
2065 * not be closed when the last child was removed */
2066 if (con->type == CT_OUTPUT ||
2067 con->type == CT_ROOT ||
2068 con->type == CT_DOCKAREA ||
2069 (con->parent != NULL && con->parent->type == CT_OUTPUT)) {
2070 DLOG("not handling, type = %d, name = %s\n", con->type, con->name);
2071 return;
2072 }
2073
2074 /* For workspaces, close them only if they're not visible anymore */
2075 if (con->type == CT_WORKSPACE) {
2076 if (TAILQ_EMPTY(&(con->focus_head)) && !workspace_is_visible(con)) {
2077 LOG("Closing old workspace (%p / %s), it is empty\n", con, con->name);
2078 yajl_gen gen = ipc_marshal_workspace_event("empty", con, NULL);
2080
2081 const unsigned char *payload;
2082 ylength length;
2083 y(get_buf, &payload, &length);
2084 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, (const char *)payload);
2085
2086 y(free);
2087 }
2088 return;
2089 }
2090
2094
2095 /* TODO: check if this container would swallow any other client and
2096 * don’t close it automatically. */
2097 int children = con_num_children(con);
2098 if (children == 0) {
2099 DLOG("Container empty, closing\n");
2101 return;
2102 }
2103}
2104
2105/*
2106 * Determines the minimum size of the given con by looking at its children (for
2107 * split/stacked/tabbed cons). Will be called when resizing floating cons
2108 *
2109 */
2111 DLOG("Determining minimum size for con %p\n", con);
2112
2113 if (con_is_leaf(con)) {
2114 DLOG("leaf node, returning 75x50\n");
2115 return (Rect){0, 0, 75, 50};
2116 }
2117
2118 if (con->type == CT_FLOATING_CON) {
2119 DLOG("floating con\n");
2120 Con *child = TAILQ_FIRST(&(con->nodes_head));
2121 return con_minimum_size(child);
2122 }
2123
2124 if (con->layout == L_STACKED || con->layout == L_TABBED) {
2125 uint32_t max_width = 0, max_height = 0, deco_height = 0;
2126 Con *child;
2127 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
2128 Rect min = con_minimum_size(child);
2129 deco_height += child->deco_rect.height;
2130 max_width = max(max_width, min.width);
2131 max_height = max(max_height, min.height);
2132 }
2133 DLOG("stacked/tabbed now, returning %d x %d + deco_rect = %d\n",
2134 max_width, max_height, deco_height);
2135 return (Rect){0, 0, max_width, max_height + deco_height};
2136 }
2137
2138 /* For horizontal/vertical split containers we sum up the width (h-split)
2139 * or height (v-split) and use the maximum of the height (h-split) or width
2140 * (v-split) as minimum size. */
2141 if (con_is_split(con)) {
2142 uint32_t width = 0, height = 0;
2143 Con *child;
2144 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
2145 Rect min = con_minimum_size(child);
2146 if (con->layout == L_SPLITH) {
2147 width += min.width;
2148 height = max(height, min.height);
2149 } else {
2150 height += min.height;
2151 width = max(width, min.width);
2152 }
2153 }
2154 DLOG("split container, returning width = %d x height = %d\n", width, height);
2155 return (Rect){0, 0, width, height};
2156 }
2157
2158 ELOG("Unhandled case, type = %d, layout = %d, split = %d\n",
2160 assert(false);
2161}
2162
2163/*
2164 * Returns true if changing the focus to con would be allowed considering
2165 * the fullscreen focus constraints. Specifically, if a fullscreen container or
2166 * any of its descendants is focused, this function returns true if and only if
2167 * focusing con would mean that focus would still be visible on screen, i.e.,
2168 * the newly focused container would not be obscured by a fullscreen container.
2169 *
2170 * In the simplest case, if a fullscreen container or any of its descendants is
2171 * fullscreen, this functions returns true if con is the fullscreen container
2172 * itself or any of its descendants, as this means focus wouldn't escape the
2173 * boundaries of the fullscreen container.
2174 *
2175 * In case the fullscreen container is of type CF_OUTPUT, this function returns
2176 * true if con is on a different workspace, as focus wouldn't be obscured by
2177 * the fullscreen container that is constrained to a different workspace.
2178 *
2179 * Note that this same logic can be applied to moving containers. If a
2180 * container can be focused under the fullscreen focus constraints, it can also
2181 * become a parent or sibling to the currently focused container.
2182 *
2183 */
2185 /* No focus, no problem. */
2186 if (!focused)
2187 return true;
2188
2189 /* Find the first fullscreen ascendent. */
2190 Con *fs = focused;
2191 while (fs && fs->fullscreen_mode == CF_NONE)
2192 fs = fs->parent;
2193
2194 /* fs must be non-NULL since the workspace con doesn’t have CF_NONE and
2195 * there always has to be a workspace con in the hierarchy. */
2196 assert(fs != NULL);
2197 /* The most common case is we hit the workspace level. In this
2198 * situation, changing focus is also harmless. */
2199 assert(fs->fullscreen_mode != CF_NONE);
2200 if (fs->type == CT_WORKSPACE)
2201 return true;
2202
2203 /* Allow it if the container itself is the fullscreen container. */
2204 if (con == fs)
2205 return true;
2206
2207 /* If fullscreen is per-output, the focus being in a different workspace is
2208 * sufficient to guarantee that change won't leave fullscreen in bad shape. */
2209 if (fs->fullscreen_mode == CF_OUTPUT &&
2211 return true;
2212 }
2213
2214 /* Allow it only if the container to be focused is contained within the
2215 * current fullscreen container. */
2216 return con_has_parent(con, fs);
2217}
2218
2219/*
2220 *
2221 * Checks if the given container has an urgent child.
2222 *
2223 */
2225 Con *child;
2226
2227 if (con_is_leaf(con))
2228 return con->urgent;
2229
2230 /* We are not interested in floating windows since they can only be
2231 * attached to a workspace → nodes_head instead of focus_head */
2232 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
2233 if (con_has_urgent_child(child))
2234 return true;
2235 }
2236
2237 return false;
2238}
2239
2240/*
2241 * Make all parent containers urgent if con is urgent or clear the urgent flag
2242 * of all parent containers if there are no more urgent children left.
2243 *
2244 */
2246 Con *parent = con->parent;
2247
2248 /* Urgency hints should not be set on any container higher up in the
2249 * hierarchy than the workspace level. Unfortunately, since the content
2250 * container has type == CT_CON, that’s not easy to verify in the loop
2251 * below, so we need another condition to catch that case: */
2252 if (con->type == CT_WORKSPACE)
2253 return;
2254
2255 bool new_urgency_value = con->urgent;
2256 while (parent && parent->type != CT_WORKSPACE && parent->type != CT_DOCKAREA) {
2257 if (new_urgency_value) {
2258 parent->urgent = true;
2259 } else {
2260 /* We can only reset the urgency when the parent
2261 * has no other urgent children */
2262 if (!con_has_urgent_child(parent))
2263 parent->urgent = false;
2264 }
2265 parent = parent->parent;
2266 }
2267}
2268
2269/*
2270 * Set urgency flag to the container, all the parent containers and the workspace.
2271 *
2272 */
2273void con_set_urgency(Con *con, bool urgent) {
2274 if (urgent && focused == con) {
2275 DLOG("Ignoring urgency flag for current client\n");
2276 return;
2277 }
2278
2279 const bool old_urgent = con->urgent;
2280
2281 if (con->urgency_timer == NULL) {
2282 con->urgent = urgent;
2283 } else
2284 DLOG("Discarding urgency WM_HINT because timer is running\n");
2285
2286 if (con->window) {
2287 if (con->urgent) {
2288 gettimeofday(&con->window->urgent, NULL);
2289 } else {
2290 con->window->urgent.tv_sec = 0;
2291 con->window->urgent.tv_usec = 0;
2292 }
2293 }
2294
2296
2297 Con *ws;
2298 /* Set the urgency flag on the workspace, if a workspace could be found
2299 * (for dock clients, that is not the case). */
2300 if ((ws = con_get_workspace(con)) != NULL)
2302
2303 if (con->urgent != old_urgent) {
2304 LOG("Urgency flag changed to %d\n", con->urgent);
2305 ipc_send_window_event("urgent", con);
2306 }
2307}
2308
2309/*
2310 * Create a string representing the subtree under con.
2311 *
2312 */
2314 /* this code works as follows:
2315 * 1) create a string with the layout type (D/V/H/T/S) and an opening bracket
2316 * 2) append the tree representation of the children to the string
2317 * 3) add closing bracket
2318 *
2319 * The recursion ends when we hit a leaf, in which case we return the
2320 * class_instance of the contained window.
2321 */
2322
2323 /* end of recursion */
2324 if (con_is_leaf(con)) {
2325 if (!con->window)
2326 return sstrdup("nowin");
2327
2328 if (!con->window->class_instance)
2329 return sstrdup("noinstance");
2330
2331 return sstrdup(con->window->class_instance);
2332 }
2333
2334 char *buf;
2335 /* 1) add the Layout type to buf */
2336 if (con->layout == L_DEFAULT)
2337 buf = sstrdup("D[");
2338 else if (con->layout == L_SPLITV)
2339 buf = sstrdup("V[");
2340 else if (con->layout == L_SPLITH)
2341 buf = sstrdup("H[");
2342 else if (con->layout == L_TABBED)
2343 buf = sstrdup("T[");
2344 else if (con->layout == L_STACKED)
2345 buf = sstrdup("S[");
2346 else {
2347 ELOG("BUG: Code not updated to account for new layout type\n");
2348 assert(false);
2349 }
2350
2351 /* 2) append representation of children */
2352 Con *child;
2353 TAILQ_FOREACH (child, &(con->nodes_head), nodes) {
2354 char *child_txt = con_get_tree_representation(child);
2355
2356 char *tmp_buf;
2357 sasprintf(&tmp_buf, "%s%s%s", buf,
2358 (TAILQ_FIRST(&(con->nodes_head)) == child ? "" : " "), child_txt);
2359 free(buf);
2360 buf = tmp_buf;
2361 free(child_txt);
2362 }
2363
2364 /* 3) close the brackets */
2365 char *complete_buf;
2366 sasprintf(&complete_buf, "%s]", buf);
2367 free(buf);
2368
2369 return complete_buf;
2370}
2371
2372/*
2373 * Returns the container's title considering the current title format.
2374 *
2375 */
2377 assert(con->title_format != NULL);
2378
2379 i3Window *win = con->window;
2380
2381 /* We need to ensure that we only escape the window title if pango
2382 * is used by the current font. */
2383 const bool pango_markup = font_is_pango();
2384
2385 char *title;
2386 char *class;
2387 char *instance;
2388 char *machine;
2389 if (win == NULL) {
2391 class = sstrdup("i3-frame");
2392 instance = sstrdup("i3-frame");
2393 machine = sstrdup("");
2394 } else {
2395 title = pango_escape_markup(sstrdup((win->name == NULL) ? "" : i3string_as_utf8(win->name)));
2396 class = pango_escape_markup(sstrdup((win->class_class == NULL) ? "" : win->class_class));
2397 instance = pango_escape_markup(sstrdup((win->class_instance == NULL) ? "" : win->class_instance));
2398 machine = pango_escape_markup(sstrdup((win->machine == NULL) ? "" : win->machine));
2399 }
2400
2401 placeholder_t placeholders[] = {
2402 {.name = "%title", .value = title},
2403 {.name = "%class", .value = class},
2404 {.name = "%instance", .value = instance},
2405 {.name = "%machine", .value = machine},
2406 };
2407 const size_t num = sizeof(placeholders) / sizeof(placeholder_t);
2408
2409 char *formatted_str = format_placeholders(con->title_format, &placeholders[0], num);
2410 i3String *formatted = i3string_from_utf8(formatted_str);
2411 i3string_set_markup(formatted, pango_markup);
2412
2413 free(formatted_str);
2414 free(title);
2415 free(class);
2416 free(instance);
2417
2418 return formatted;
2419}
2420
2421/*
2422 * Swaps the two containers.
2423 *
2424 */
2425bool con_swap(Con *first, Con *second) {
2426 assert(first != NULL);
2427 assert(second != NULL);
2428 DLOG("Swapping containers %p / %p\n", first, second);
2429
2430 if (first->type != CT_CON) {
2431 ELOG("Only regular containers can be swapped, but found con = %p with type = %d.\n", first, first->type);
2432 return false;
2433 }
2434
2435 if (second->type != CT_CON) {
2436 ELOG("Only regular containers can be swapped, but found con = %p with type = %d.\n", second, second->type);
2437 return false;
2438 }
2439
2440 if (first == second) {
2441 DLOG("Swapping container %p with itself, nothing to do.\n", first);
2442 return false;
2443 }
2444
2445 if (con_has_parent(first, second) || con_has_parent(second, first)) {
2446 ELOG("Cannot swap containers %p and %p because they are in a parent-child relationship.\n", first, second);
2447 return false;
2448 }
2449
2450 Con *ws1 = con_get_workspace(first);
2451 Con *ws2 = con_get_workspace(second);
2452 Con *restore_focus = NULL;
2453 if (ws1 == ws2 && ws1 == con_get_workspace(focused)) {
2454 /* Preserve focus in the current workspace. */
2455 restore_focus = focused;
2456 } else if (first == focused || con_has_parent(focused, first)) {
2457 restore_focus = second;
2458 } else if (second == focused || con_has_parent(focused, second)) {
2459 restore_focus = first;
2460 }
2461
2462#define SWAP_CONS_IN_TREE(headname, field) \
2463 do { \
2464 struct headname *head1 = &(first->parent->headname); \
2465 struct headname *head2 = &(second->parent->headname); \
2466 Con *first_prev = TAILQ_PREV(first, headname, field); \
2467 Con *second_prev = TAILQ_PREV(second, headname, field); \
2468 if (second_prev == first) { \
2469 TAILQ_SWAP(first, second, head1, field); \
2470 } else if (first_prev == second) { \
2471 TAILQ_SWAP(second, first, head1, field); \
2472 } else { \
2473 TAILQ_REMOVE(head1, first, field); \
2474 TAILQ_REMOVE(head2, second, field); \
2475 if (second_prev == NULL) { \
2476 TAILQ_INSERT_HEAD(head2, first, field); \
2477 } else { \
2478 TAILQ_INSERT_AFTER(head2, second_prev, first, field); \
2479 } \
2480 if (first_prev == NULL) { \
2481 TAILQ_INSERT_HEAD(head1, second, field); \
2482 } else { \
2483 TAILQ_INSERT_AFTER(head1, first_prev, second, field); \
2484 } \
2485 } \
2486 } while (0)
2487
2488 SWAP_CONS_IN_TREE(nodes_head, nodes);
2489 SWAP_CONS_IN_TREE(focus_head, focused);
2490 SWAP(first->parent, second->parent, Con *);
2491
2492 /* Floating nodes are children of CT_FLOATING_CONs, they are listed in
2493 * nodes_head and focus_head like all other containers. Thus, we don't need
2494 * to do anything special other than swapping the floating status and the
2495 * relevant rects. */
2496 SWAP(first->floating, second->floating, int);
2497 SWAP(first->rect, second->rect, Rect);
2498 SWAP(first->window_rect, second->window_rect, Rect);
2499
2500 /* We need to copy each other's percentages to ensure that the geometry
2501 * doesn't change during the swap. */
2502 SWAP(first->percent, second->percent, double);
2503
2504 if (restore_focus) {
2505 con_focus(restore_focus);
2506 }
2507
2508 /* Update new parents' & workspaces' urgency. */
2509 con_set_urgency(first, first->urgent);
2510 con_set_urgency(second, second->urgent);
2511
2512 /* Exchange fullscreen modes, can't use SWAP because we need to call the
2513 * correct functions. */
2514 fullscreen_mode_t second_fullscreen_mode = second->fullscreen_mode;
2515 if (first->fullscreen_mode == CF_NONE) {
2516 con_disable_fullscreen(second);
2517 } else {
2518 con_enable_fullscreen(second, first->fullscreen_mode);
2519 }
2520 if (second_fullscreen_mode == CF_NONE) {
2522 } else {
2523 con_enable_fullscreen(first, second_fullscreen_mode);
2524 }
2525
2526 /* We don't actually need this since percentages-wise we haven't changed
2527 * anything, but we'll better be safe than sorry and just make sure as we'd
2528 * otherwise crash i3. */
2529 con_fix_percent(first->parent);
2530 con_fix_percent(second->parent);
2531
2532 FREE(first->deco_render_params);
2533 FREE(second->deco_render_params);
2536
2537 return true;
2538}
2539
2540/*
2541 * Returns container's rect size depending on its orientation.
2542 * i.e. its width when horizontal, its height when vertical.
2543 *
2544 */
2546 return (con_orientation(con) == HORIZ ? con->rect.width : con->rect.height);
2547}
2548
2549/*
2550 * Merges container specific data that should move with the window (e.g. marks,
2551 * title format, and the window itself) into another container, and closes the
2552 * old container.
2553 *
2554 */
2555void con_merge_into(Con *old, Con *new) {
2556 new->window = old->window;
2557 old->window = NULL;
2558
2559 if (old->title_format) {
2560 FREE(new->title_format);
2561 new->title_format = old->title_format;
2562 old->title_format = NULL;
2563 }
2564
2565 if (old->sticky_group) {
2566 FREE(new->sticky_group);
2567 new->sticky_group = old->sticky_group;
2568 old->sticky_group = NULL;
2569 }
2570
2571 new->sticky = old->sticky;
2572
2573 con_set_urgency(new, old->urgent);
2574
2575 mark_t *mark;
2576 TAILQ_FOREACH (mark, &(old->marks_head), marks) {
2577 TAILQ_INSERT_TAIL(&(new->marks_head), mark, marks);
2578 ipc_send_window_event("mark", new);
2579 }
2580 new->mark_changed = (TAILQ_FIRST(&(old->marks_head)) != NULL);
2581 TAILQ_INIT(&(old->marks_head));
2582
2584}
2585
2586/*
2587 * Returns true if the container is within any stacked/tabbed split container.
2588 *
2589 */
2591 if (con->parent == NULL) {
2592 return false;
2593 }
2594 if (con->parent->layout == L_STACKED ||
2595 con->parent->layout == L_TABBED) {
2596 return true;
2597 }
2599}
xcb_connection_t * conn
XCB connection and root screen.
Definition main.c:54
uint8_t root_depth
Definition main.c:75
void ipc_send_event(const char *event, uint32_t message_type, const char *payload)
Sends the specified event to all IPC clients which are currently connected and subscribed to this kin...
Definition ipc.c:147
yajl_gen ipc_marshal_workspace_event(const char *change, Con *current, Con *old)
Generates a json workspace event.
Definition ipc.c:1585
void ipc_send_window_event(const char *property, Con *con)
For the window events we send, along the usual "change" field, also the window container,...
Definition ipc.c:1634
void xcb_add_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Add an atom to a list of atoms the given property defines.
Definition xcb.c:214
void xcb_remove_property_atom(xcb_connection_t *conn, xcb_window_t window, xcb_atom_t property, xcb_atom_t atom)
Remove an atom from a list of atoms the given property defines without removing any other potentially...
Definition xcb.c:224
void x_con_init(Con *con)
Initializes the X11 part for the given container.
Definition x.c:127
void x_set_warp_to(Rect *rect)
Set warp_to coordinates.
Definition x.c:1477
void workspace_update_urgent_flag(Con *ws)
Goes through all clients on the given workspace and updates the workspace’s urgent flag accordingly.
Definition workspace.c:853
void workspace_show(Con *workspace)
Switches to the given workspace.
Definition workspace.c:428
bool workspace_is_visible(Con *ws)
Returns true if the workspace is currently visible.
Definition workspace.c:314
Con * workspace_attach_to(Con *ws)
Called when a new con (with a window, not an empty or split con) should be attached to the workspace ...
Definition workspace.c:910
Con * workspace_get(const char *num)
Returns a pointer to the workspace with the given number (starting at 0), creating the workspace if n...
Definition workspace.c:131
Con * workspace_encapsulate(Con *ws)
Creates a new container and re-parents all of children from the given workspace into it.
Definition workspace.c:942
Rect rect_add(Rect a, Rect b)
Definition util.c:39
char * pango_escape_markup(char *input)
Escapes the given string if a pango font is currently used.
Definition util.c:312
int min(int a, int b)
Definition util.c:24
bool layout_from_name(const char *layout_str, layout_t *out)
Set 'out' to the layout_t value for the given layout.
Definition util.c:82
Rect rect_sub(Rect a, Rect b)
Definition util.c:46
int max(int a, int b)
Definition util.c:28
struct Con * focused
Definition tree.c:13
void tree_flatten(Con *con)
tree_flatten() removes pairs of redundant split containers, e.g.: [workspace, horizontal] [v-split] [...
Definition tree.c:655
struct Con * croot
Definition tree.c:12
bool tree_close_internal(Con *con, kill_window_t kill_window, bool dont_kill_parent)
Closes the given container including all children.
Definition tree.c:191
struct all_cons_head all_cons
Definition tree.c:15
void startup_sequence_delete_by_window(i3Window *win)
Deletes the startup sequence for a window if it exists.
Definition startup.c:363
void scratchpad_move(Con *con)
Moves the specified window to the __i3_scratch workspace, making it floating and setting the appropri...
Definition scratchpad.c:19
int render_deco_height(void)
Returns the height for the decorations.
Definition render.c:27
Output * get_output_from_string(Output *current_output, const char *output_str)
Returns an 'output' corresponding to one of left/right/down/up or a specific output name.
Definition output.c:33
char * output_primary_name(Output *output)
Retrieves the primary name of an output.
Definition output.c:53
Output * get_output_for_con(Con *con)
Returns the output for the given con.
Definition output.c:57
Con * output_get_content(Con *output)
Returns the output container below the given output container.
Definition output.c:16
void match_free(Match *match)
Frees the given match.
Definition match.c:276
bool match_matches_window(Match *match, i3Window *window)
Check if a match data structure matches the given window.
Definition match.c:90
struct pending_marks * marks
gaps_t calculate_effective_gaps(Con *con)
Calculates the effective gap sizes for a container.
Definition gaps.c:16
void floating_raise_con(Con *con)
Raises the given container in the list of floating containers.
Definition floating.c:477
void floating_fix_coordinates(Con *con, Rect *old_rect, Rect *new_rect)
Fixes the coordinates of the floating window whenever the window gets reassigned to a different outpu...
Definition floating.c:799
void ewmh_update_wm_desktop(void)
Updates _NET_WM_DESKTOP for all windows.
Definition ewmh.c:184
Config config
Definition config.c:19
char * con_get_tree_representation(Con *con)
Create a string representing the subtree under con.
Definition con.c:2313
void con_move_to_workspace(Con *con, Con *workspace, bool fix_coordinates, bool dont_warp, bool ignore_focus)
Moves the given container to the currently focused container on the given workspace.
Definition con.c:1466
bool con_move_to_target(Con *con, Con *target)
Definition con.c:1395
bool con_move_to_mark(Con *con, const char *mark)
Moves the given container to the given mark.
Definition con.c:1436
bool con_move_to_output_name(Con *con, const char *name, bool fix_coordinates)
Moves the given container to the currently focused container on the visible workspace on the output s...
Definition con.c:1499
Con * con_get_fullscreen_con(Con *con, fullscreen_mode_t fullscreen_mode)
Returns the first fullscreen node below this node.
Definition con.c:525
void con_set_urgency(Con *con, bool urgent)
Set urgency flag to the container, all the parent containers and the workspace.
Definition con.c:2273
bool con_is_floating(Con *con)
Returns true if the node is floating.
Definition con.c:596
bool con_inside_stacked_or_tabbed(Con *con)
Returns true if the container is within any stacked/tabbed split container.
Definition con.c:2590
Con * con_for_window(Con *con, i3Window *window, Match **store_match)
Returns the first container below 'con' which wants to swallow this window TODO: priority.
Definition con.c:890
void con_close(Con *con, kill_window_t kill_window)
Closes the given container.
Definition con.c:331
static void con_raise(Con *con)
Definition con.c:276
orientation_t con_orientation(Con *con)
Returns the orientation of the given container (for stacked containers, vertical orientation is used ...
Definition con.c:1517
void con_force_split_parents_redraw(Con *con)
force parent split containers to be redrawn
Definition con.c:21
void con_unmark(Con *con, const char *name)
Removes marks from containers.
Definition con.c:836
bool con_has_managed_window(Con *con)
Returns true when this con is a leaf node with a managed X11 window (e.g., excluding dock containers)
Definition con.c:369
Con * con_descend_direction(Con *con, direction_t direction)
Returns the leftmost, rightmost, etc.
Definition con.c:1631
void con_update_parents_urgency(Con *con)
Make all parent containers urgent if con is urgent or clear the urgent flag of all parent containers ...
Definition con.c:2245
Con * con_new(Con *parent, i3Window *window)
A wrapper for con_new_skeleton, to retain the old con_new behaviour.
Definition con.c:69
bool con_is_hidden(Con *con)
This will only return true for containers which have some parent with a tabbed / stacked parent of wh...
Definition con.c:404
Con * con_get_workspace(Con *con)
Gets the workspace container this node is on.
Definition con.c:477
bool con_find_transient_for_window(Con *start, xcb_window_t target)
Start from a container and traverse the transient_for linked list.
Definition con.c:742
bool con_is_split(Con *con)
Returns true if a container should be considered split.
Definition con.c:385
bool con_has_children(Con *con)
Returns true if this node has regular or floating children.
Definition con.c:377
static Rect con_border_style_rect_without_title(Con *con)
Definition con.c:1712
Con * con_descend_tiling_focused(Con *con)
Returns the focused con inside this client, descending the tree as far as possible.
Definition con.c:1605
void con_disable_fullscreen(Con *con)
Disables fullscreen mode for the given container, if necessary.
Definition con.c:1195
static int num_focus_heads(Con *con)
Definition con.c:923
bool con_is_docked(Con *con)
Returns true if the container is a docked container.
Definition con.c:605
void con_set_border_style(Con *con, border_style_t border_style, int border_width)
Sets the given border style on con, correctly keeping the position/size of a floating window.
Definition con.c:1845
int con_num_visible_children(Con *con)
Returns the number of visible non-floating children of this container.
Definition con.c:999
Con * con_by_con_id(long target)
Returns the container with the given container ID or NULL if no such container exists.
Definition con.c:686
Con * con_new_skeleton(Con *parent, i3Window *window)
Create a new container (and attach it to the given parent, if not NULL).
Definition con.c:38
void con_mark(Con *con, const char *mark, mark_mode_t mode)
Assigns a mark to the container.
Definition con.c:806
Con * con_by_window_id(xcb_window_t window)
Returns the container with the given client window ID or NULL if no such container exists.
Definition con.c:671
void con_activate_unblock(Con *con)
Activates the container like in con_activate but removes fullscreen restrictions and properly warps t...
Definition con.c:297
Con * con_by_mark(const char *mark)
Returns the container with the given mark or NULL if no such container exists.
Definition con.c:726
static void con_on_remove_child(Con *con)
Definition con.c:2061
Rect con_border_style_rect(Con *con)
Returns a "relative" Rect which contains the amount of pixels that need to be added to the original R...
Definition con.c:1773
Con * con_get_fullscreen_covering_ws(Con *ws)
Returns the fullscreen node that covers the given workspace if it exists.
Definition con.c:573
void con_mark_toggle(Con *con, const char *mark, mark_mode_t mode)
Toggles the mark on a container.
Definition con.c:791
Con * con_inside_floating(Con *con)
Checks if the given container is either floating or inside some floating container.
Definition con.c:620
bool con_fullscreen_permits_focusing(Con *con)
Returns true if changing the focus to con would be allowed considering the fullscreen focus constrain...
Definition con.c:2184
bool con_swap(Con *first, Con *second)
Swaps the two containers.
Definition con.c:2425
bool con_accepts_window(Con *con)
Returns true if this node accepts a window (if the node swallows windows, it might already have swall...
Definition con.c:444
uint32_t con_rect_size_in_orientation(Con *con)
Returns given container's rect size depending on its orientation.
Definition con.c:2545
bool con_is_internal(Con *con)
Returns true if the container is internal, such as __i3_scratch.
Definition con.c:588
bool con_exists(Con *con)
Returns true if the given container (still) exists.
Definition con.c:702
void con_detach(Con *con)
Detaches the given container from its current parent.
Definition con.c:230
void con_move_to_output(Con *con, Output *output, bool fix_coordinates)
Moves the given container to the currently focused container on the visible workspace on the given ou...
Definition con.c:1484
void set_focus_order(Con *con, Con **focus_order)
Clear the container's focus stack and re-add it using the provided container array.
Definition con.c:959
int con_border_style(Con *con)
Use this function to get a container’s border style.
Definition con.c:1817
void con_toggle_fullscreen(Con *con, int fullscreen_mode)
Toggles fullscreen mode for the given container.
Definition con.c:1095
void con_fix_percent(Con *con)
Updates the percent attribute of the children of the given container.
Definition con.c:1047
void con_attach(Con *con, Con *parent, bool ignore_focus)
Attaches the given container to the given parent.
Definition con.c:222
Rect con_minimum_size(Con *con)
Determines the minimum size of the given con by looking at its children (for split/stacked/tabbed con...
Definition con.c:2110
i3String * con_parse_title_format(Con *con)
Returns the window title considering the current title format.
Definition con.c:2376
static void _con_attach(Con *con, Con *parent, Con *previous, bool ignore_focus)
Definition con.c:99
static bool has_outer_gaps(gaps_t gaps)
Definition con.c:1691
bool con_inside_focused(Con *con)
Checks if the given container is inside a focused container.
Definition con.c:641
#define SWAP_CONS_IN_TREE(headname, field)
void con_free(Con *con)
Frees the specified container.
Definition con.c:79
static bool _con_move_to_con(Con *con, Con *target, bool behind_focused, bool fix_coordinates, bool dont_warp, bool ignore_focus, bool fix_percentage)
Definition con.c:1211
void con_merge_into(Con *old, Con *new)
Merges container specific data that should move with the window (e.g.
Definition con.c:2555
Con * con_by_frame_id(xcb_window_t frame)
Returns the container with the given frame ID or NULL if no such container exists.
Definition con.c:711
bool con_is_leaf(Con *con)
Returns true when this node is a leaf node (has no children)
Definition con.c:361
int con_num_children(Con *con)
Returns the number of children of this container.
Definition con.c:983
adjacent_t con_adjacent_borders(Con *con)
Returns adjacent borders of the window.
Definition con.c:1788
void con_set_layout(Con *con, layout_t layout)
This function changes the layout of a given container.
Definition con.c:1883
void con_activate(Con *con)
Sets input focus to the given container and raises it to the top.
Definition con.c:287
Con * con_parent_with_orientation(Con *con, orientation_t orientation)
Searches parents of the given 'con' until it reaches one with the specified 'orientation'.
Definition con.c:489
bool con_draw_decoration_into_frame(Con *con)
Returns whether the window decoration (title bar) should be drawn into the X11 frame window of this c...
Definition con.c:1704
void con_toggle_layout(Con *con, const char *toggle_mode)
This function toggles the layout of a given container.
Definition con.c:1968
bool con_has_mark(Con *con, const char *mark)
Returns true if and only if the given containers holds the mark.
Definition con.c:775
Con * con_next_focused(Con *con)
Returns the container which will be focused next when the given container is not available anymore.
Definition con.c:1548
bool con_has_urgent_child(Con *con)
Checks if the given container has an urgent child.
Definition con.c:2224
void con_enable_fullscreen(Con *con, fullscreen_mode_t fullscreen_mode)
Enables fullscreen mode for the given container, if necessary.
Definition con.c:1149
bool con_has_parent(Con *con, Con *parent)
Checks if the container has the given parent as an actual parent.
Definition con.c:653
int con_num_windows(Con *con)
Count the number of windows (i.e., leaf containers).
Definition con.c:1021
void con_focus(Con *con)
Sets input focus to the given container.
Definition con.c:246
Con * con_get_output(Con *con)
Gets the output container (first container with CT_OUTPUT in hierarchy) this node is on.
Definition con.c:463
Con * con_descend_focused(Con *con)
Returns the focused con inside this client, descending the tree as far as possible.
Definition con.c:1590
bool con_is_sticky(Con *con)
Returns whether the container or any of its children is sticky.
Definition con.c:426
Con ** get_focus_order(Con *con)
Iterate over the container's focus stack and return an array with the containers inside it,...
Definition con.c:939
static void con_set_fullscreen_mode(Con *con, fullscreen_mode_t fullscreen_mode)
Definition con.c:1115
#define y(x,...)
Definition commands.c:18
size_t ylength
Definition yajl_utils.h:24
#define CALL(obj, member,...)
Definition util.h:53
#define GREP_FIRST(dest, head, condition)
Definition util.h:38
#define SWAP(first, second, type)
Definition util.h:55
#define FREE(pointer)
Definition util.h:47
#define TAILQ_FOREACH(var, head, field)
Definition queue.h:347
#define TAILQ_END(head)
Definition queue.h:337
#define TAILQ_INIT(head)
Definition queue.h:360
#define TAILQ_HEAD(name, type)
Definition queue.h:318
#define TAILQ_INSERT_TAIL(head, elm, field)
Definition queue.h:376
#define TAILQ_FIRST(head)
Definition queue.h:336
#define TAILQ_REMOVE(head, elm, field)
Definition queue.h:402
#define TAILQ_NEXT(elm, field)
Definition queue.h:338
#define TAILQ_HEAD_INITIALIZER(head)
Definition queue.h:324
#define TAILQ_EMPTY(head)
Definition queue.h:344
#define TAILQ_INSERT_BEFORE(listelm, elm, field)
Definition queue.h:394
#define TAILQ_LAST(head, headname)
Definition queue.h:339
#define TAILQ_INSERT_HEAD(head, elm, field)
Definition queue.h:366
#define TAILQ_ENTRY(type)
Definition queue.h:327
#define TAILQ_INSERT_AFTER(head, listelm, elm, field)
Definition queue.h:384
struct _i3String i3String
Opaque data structure for storing strings.
Definition libi3.h:49
#define DLOG(fmt,...)
Definition libi3.h:105
#define LOG(fmt,...)
Definition libi3.h:95
int strcasecmp_nullable(const char *a, const char *b)
Like strcasecmp but considers the case where either string is NULL.
char * sstrdup(const char *str)
Safe-wrapper around strdup which exits if malloc returns NULL (meaning that there is no more memory a...
char * format_placeholders(char *format, placeholder_t *placeholders, int num)
Replaces occurrences of the defined placeholders in the format string.
#define ELOG(fmt,...)
Definition libi3.h:100
const char * i3string_as_utf8(i3String *str)
Returns the UTF-8 encoded version of the i3String.
void * scalloc(size_t num, size_t size)
Safe-wrapper around calloc which exits if malloc returns NULL (meaning that there is no more memory a...
int sasprintf(char **strp, const char *fmt,...)
Safe-wrapper around asprintf which exits if it returns -1 (meaning that there is no more memory avail...
void i3string_set_markup(i3String *str, bool pango_markup)
Set whether the i3String should use Pango markup.
i3String * i3string_from_utf8(const char *from_utf8)
Build an i3String from an UTF-8 encoded string.
bool font_is_pango(void)
Returns true if and only if the current font is a pango font.
void * smalloc(size_t size)
Safe-wrapper around malloc which exits if malloc returns NULL (meaning that there is no more memory a...
@ HEBM_SMART_NO_GAPS
Definition data.h:97
@ HEBM_SMART
Definition data.h:96
@ HEBM_NONE
Definition data.h:92
@ SMART_BORDERS_ON
Definition data.h:85
@ SMART_BORDERS_NO_GAPS
Definition data.h:86
layout_t
Container layouts.
Definition data.h:105
@ L_STACKED
Definition data.h:107
@ L_TABBED
Definition data.h:108
@ L_DOCKAREA
Definition data.h:109
@ L_OUTPUT
Definition data.h:110
@ L_SPLITH
Definition data.h:112
@ L_SPLITV
Definition data.h:111
@ L_DEFAULT
Definition data.h:106
mark_mode_t
Definition data.h:99
@ MM_REPLACE
Definition data.h:99
orientation_t
Definition data.h:60
@ VERT
Definition data.h:62
@ HORIZ
Definition data.h:61
adjacent_t
describes if the window is adjacent to the output (physical screen) edges.
Definition data.h:78
@ ADJ_LEFT_SCREEN_EDGE
Definition data.h:79
@ ADJ_LOWER_SCREEN_EDGE
Definition data.h:82
@ ADJ_RIGHT_SCREEN_EDGE
Definition data.h:80
@ ADJ_UPPER_SCREEN_EDGE
Definition data.h:81
@ ADJ_NONE
Definition data.h:78
fullscreen_mode_t
Fullscreen modes.
Definition data.h:633
@ CF_OUTPUT
Definition data.h:634
@ CF_GLOBAL
Definition data.h:635
@ CF_NONE
Definition data.h:633
border_style_t
Definition data.h:65
@ BS_NONE
Definition data.h:66
@ BS_NORMAL
Definition data.h:68
kill_window_t
parameter to specify whether tree_close_internal() and x_window_kill() should kill only this specific...
Definition data.h:73
@ DONT_KILL_WINDOW
Definition data.h:73
direction_t
Definition data.h:56
@ D_RIGHT
Definition data.h:57
@ D_LEFT
Definition data.h:56
@ D_UP
Definition data.h:58
@ D_DOWN
Definition data.h:59
Con * con
Definition con.c:516
int default_border_width
hide_edge_borders_mode_t hide_edge_borders
Remove borders if they are adjacent to the screen edge.
int default_floating_border_width
smart_borders_t smart_borders
border_style_t default_border
The default border style for new windows.
Definition data.h:150
int left
Definition data.h:155
int right
Definition data.h:153
int top
Definition data.h:152
int bottom
Definition data.h:154
Stores a rectangle, for example the size of a window, the child window etc.
Definition data.h:189
uint32_t height
Definition data.h:193
uint32_t x
Definition data.h:190
uint32_t y
Definition data.h:191
uint32_t width
Definition data.h:192
An Output is a physical output on your graphics driver.
Definition data.h:395
Con * con
Pointer to the Con which represents this output.
Definition data.h:415
A 'Window' is a type which contains an xcb_window_t and all the related information (hints like _NET_...
Definition data.h:428
char * class_instance
Definition data.h:442
struct timeval urgent
When this window was marked urgent.
Definition data.h:480
i3String * name
The name of the window.
Definition data.h:445
xcb_window_t id
Definition data.h:429
char * class_class
Definition data.h:441
xcb_window_t transient_for
Definition data.h:434
uint16_t depth
Depth of the window.
Definition data.h:486
A "match" is a data structure which acts like a mask or expression to match certain windows or not.
Definition data.h:533
Definition data.h:637
char * name
Definition data.h:638
A 'Con' represents everything from the X11 root window down to a single X11 window.
Definition data.h:647
struct Con * parent
Definition data.h:682
struct Rect deco_rect
Definition data.h:692
enum Con::@18 type
layout_t workspace_layout
Definition data.h:759
double percent
Definition data.h:716
layout_t last_split_layout
Definition data.h:759
struct Rect rect
Definition data.h:686
int current_border_width
Definition data.h:720
bool sticky
Definition data.h:743
border_style_t max_user_border_style
Definition data.h:768
layout_t layout
Definition data.h:759
int num
the workspace number, if this Con is of type CT_WORKSPACE and the workspace is not a named workspace ...
Definition data.h:677
struct ev_timer * urgency_timer
Definition data.h:725
struct Rect window_rect
Definition data.h:689
struct Window * window
Definition data.h:722
char * title_format
The format with which the window's name should be displayed.
Definition data.h:699
surface_t frame
Definition data.h:662
border_style_t border_style
Definition data.h:761
char * name
Definition data.h:696
char * sticky_group
Definition data.h:709
struct deco_render_params * deco_render_params
Cache for the decoration rendering.
Definition data.h:728
bool mark_changed
Definition data.h:714
enum Con::@19 floating
floating? (= not in tiling layout) This cannot be simply a bool because we want to keep track of whet...
fullscreen_mode_t fullscreen_mode
Definition data.h:738
bool urgent
Definition data.h:652
Helper structure for usage in format_placeholders().
Definition libi3.h:546
const char * name
Definition libi3.h:548
xcb_drawable_t id
Definition libi3.h:571