1 /* Copyright (c) 2012, Bastien Dejean
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * 1. Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright notice,
10 * this list of conditions and the following disclaimer in the documentation
11 * and/or other materials provided with the distribution.
13 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
17 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
20 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
36 #include "subscribe.h"
43 void arrange(monitor_t *m, desktop_t *d)
45 if (d->root == NULL) {
49 xcb_rectangle_t rect = m->rectangle;
51 rect.x += m->padding.left + d->padding.left;
52 rect.y += m->padding.top + d->padding.top;
53 rect.width -= m->padding.left + d->padding.left + d->padding.right + m->padding.right;
54 rect.height -= m->padding.top + d->padding.top + d->padding.bottom + m->padding.bottom;
56 if (d->layout == LAYOUT_MONOCLE) {
57 rect.x += monocle_padding.left;
58 rect.y += monocle_padding.top;
59 rect.width -= monocle_padding.left + monocle_padding.right;
60 rect.height -= monocle_padding.top + monocle_padding.bottom;
63 if (!gapless_monocle || d->layout != LAYOUT_MONOCLE) {
64 rect.x += d->window_gap;
65 rect.y += d->window_gap;
66 rect.width -= d->window_gap;
67 rect.height -= d->window_gap;
70 apply_layout(m, d, d->root, rect, rect);
73 void apply_layout(monitor_t *m, desktop_t *d, node_t *n, xcb_rectangle_t rect, xcb_rectangle_t root_rect)
81 if (n->presel != NULL) {
82 draw_presel_feedback(m, d, n);
87 if (n->client == NULL) {
92 bool the_only_window = !m->prev && !m->next && d->root->client;
93 if ((borderless_monocle && d->layout == LAYOUT_MONOCLE && IS_TILED(n->client))
94 || (borderless_singleton && the_only_window)
95 || n->client->state == STATE_FULLSCREEN) {
98 bw = n->client->border_width;
102 xcb_rectangle_t cr = get_window_rectangle(n);
103 client_state_t s = n->client->state;
104 /* tiled and pseudo-tiled clients */
105 if (s == STATE_TILED || s == STATE_PSEUDO_TILED) {
106 int wg = (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : d->window_gap);
108 int bleed = wg + 2 * bw;
109 r.width = (bleed < r.width ? r.width - bleed : 1);
110 r.height = (bleed < r.height ? r.height - bleed : 1);
111 /* pseudo-tiled clients */
112 if (s == STATE_PSEUDO_TILED) {
113 xcb_rectangle_t f = n->client->floating_rectangle;
114 r.width = MIN(r.width, f.width);
115 r.height = MIN(r.height, f.height);
116 if (center_pseudo_tiled) {
117 r.x = rect.x - bw + (rect.width - wg - r.width) / 2;
118 r.y = rect.y - bw + (rect.height - wg - r.height) / 2;
121 n->client->tiled_rectangle = r;
122 /* floating clients */
123 } else if (s == STATE_FLOATING) {
124 r = n->client->floating_rectangle;
125 /* fullscreen clients */
128 n->client->tiled_rectangle = r;
131 apply_size_hints(n->client, &r.width, &r.height);
133 if (!rect_eq(r, cr)) {
134 window_move_resize(n->id, r.x, r.y, r.width, r.height);
136 put_status(SBSC_MASK_NODE_GEOMETRY, "node_geometry 0x%08X 0x%08X 0x%08X %ux%u+%i+%i\n", m->id, d->id, n->id, r.width, r.height, r.x, r.y);
140 window_border_width(n->id, bw);
143 xcb_rectangle_t first_rect;
144 xcb_rectangle_t second_rect;
146 if (d->layout == LAYOUT_MONOCLE || n->first_child->vacant || n->second_child->vacant) {
147 first_rect = second_rect = rect;
150 if (n->split_type == TYPE_VERTICAL) {
151 fence = rect.width * n->split_ratio;
152 if ((n->first_child->constraints.min_width + n->second_child->constraints.min_width) <= rect.width) {
153 if (fence < n->first_child->constraints.min_width) {
154 fence = n->first_child->constraints.min_width;
155 n->split_ratio = (double) fence / (double) rect.width;
156 } else if (fence > (uint16_t) (rect.width - n->second_child->constraints.min_width)) {
157 fence = (rect.width - n->second_child->constraints.min_width);
158 n->split_ratio = (double) fence / (double) rect.width;
161 first_rect = (xcb_rectangle_t) {rect.x, rect.y, fence, rect.height};
162 second_rect = (xcb_rectangle_t) {rect.x + fence, rect.y, rect.width - fence, rect.height};
164 fence = rect.height * n->split_ratio;
165 if ((n->first_child->constraints.min_height + n->second_child->constraints.min_height) <= rect.height) {
166 if (fence < n->first_child->constraints.min_height) {
167 fence = n->first_child->constraints.min_height;
168 n->split_ratio = (double) fence / (double) rect.height;
169 } else if (fence > (uint16_t) (rect.height - n->second_child->constraints.min_height)) {
170 fence = (rect.height - n->second_child->constraints.min_height);
171 n->split_ratio = (double) fence / (double) rect.height;
174 first_rect = (xcb_rectangle_t) {rect.x, rect.y, rect.width, fence};
175 second_rect = (xcb_rectangle_t) {rect.x, rect.y + fence, rect.width, rect.height - fence};
179 apply_layout(m, d, n->first_child, first_rect, root_rect);
180 apply_layout(m, d, n->second_child, second_rect, root_rect);
184 presel_t *make_presel(void)
186 presel_t *p = calloc(1, sizeof(presel_t));
187 p->split_dir = DIR_EAST;
188 p->split_ratio = split_ratio;
189 p->feedback = XCB_NONE;
193 void set_type(node_t *n, split_type_t typ)
200 update_constraints(n);
201 rebuild_constraints_towards_root(n);
204 void set_ratio(node_t *n, double rat)
210 n->split_ratio = rat;
213 void presel_dir(monitor_t *m, desktop_t *d, node_t *n, direction_t dir)
215 if (n->presel == NULL) {
216 n->presel = make_presel();
219 n->presel->split_dir = dir;
221 put_status(SBSC_MASK_NODE_PRESEL, "node_presel 0x%08X 0x%08X 0x%08X dir %s\n", m->id, d->id, n->id, SPLIT_DIR_STR(dir));
224 void presel_ratio(monitor_t *m, desktop_t *d, node_t *n, double ratio)
226 if (n->presel == NULL) {
227 n->presel = make_presel();
230 n->presel->split_ratio = ratio;
232 put_status(SBSC_MASK_NODE_PRESEL, "node_presel 0x%08X 0x%08X 0x%08X ratio %lf\n", m->id, d->id, n->id, ratio);
235 void cancel_presel(monitor_t *m, desktop_t *d, node_t *n)
237 if (n->presel == NULL) {
241 if (n->presel->feedback != XCB_NONE) {
242 xcb_destroy_window(dpy, n->presel->feedback);
248 put_status(SBSC_MASK_NODE_PRESEL, "node_presel 0x%08X 0x%08X 0x%08X cancel\n", m->id, d->id, n->id);
251 void cancel_presel_in(monitor_t *m, desktop_t *d, node_t *n)
256 cancel_presel(m, d, n);
257 cancel_presel_in(m, d, n->first_child);
258 cancel_presel_in(m, d, n->second_child);
261 node_t *find_public(desktop_t *d)
263 unsigned int b_manual_area = 0;
264 unsigned int b_automatic_area = 0;
265 node_t *b_manual = NULL;
266 node_t *b_automatic = NULL;
267 for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
271 unsigned int n_area = node_area(d, n);
272 if (n_area > b_manual_area && (n->presel != NULL || !n->private)) {
274 b_manual_area = n_area;
276 if (n_area > b_automatic_area &&
277 n->presel == NULL && !n->private && private_count(n->parent) == 0) {
279 b_automatic_area = n_area;
282 if (b_automatic != NULL) {
289 node_t *insert_node(monitor_t *m, desktop_t *d, node_t *n, node_t *f)
291 if (d == NULL || n == NULL) {
295 /* n: inserted node */
296 /* c: new internal node */
297 /* f: focus or insertion anchor */
298 /* p: parent of focus */
299 /* g: grand parent of focus */
307 } else if (IS_RECEPTACLE(f) && f->presel == NULL) {
308 node_t *p = f->parent;
310 if (is_first_child(f)) {
322 node_t *c = make_node(XCB_NONE);
323 node_t *p = f->parent;
324 if (f->presel == NULL && (f->private || private_count(f->parent) > 0)) {
325 node_t *k = find_public(d);
330 if (f->presel == NULL && (f->private || private_count(f->parent) > 0)) {
331 xcb_rectangle_t rect = get_rectangle(m, d, f);
332 presel_dir(m, d, f, (rect.width >= rect.height ? DIR_EAST : DIR_SOUTH));
336 if (f->presel == NULL) {
337 bool single_tiled = f->client != NULL && IS_TILED(f->client) && tiled_count(d->root, true) == 1;
338 if (p == NULL || automatic_scheme != SCHEME_SPIRAL || single_tiled) {
340 if (is_first_child(f)) {
350 if (initial_polarity == FIRST_CHILD) {
357 if (p == NULL || automatic_scheme == SCHEME_LONGEST_SIDE || single_tiled) {
358 if (f->rectangle.width > f->rectangle.height) {
359 c->split_type = TYPE_VERTICAL;
361 c->split_type = TYPE_HORIZONTAL;
365 while (q != NULL && (q->first_child->vacant || q->second_child->vacant)) {
371 if (q->split_type == TYPE_HORIZONTAL) {
372 c->split_type = TYPE_VERTICAL;
374 c->split_type = TYPE_HORIZONTAL;
378 node_t *g = p->parent;
381 if (is_first_child(p)) {
389 c->split_type = p->split_type;
390 c->split_ratio = p->split_ratio;
393 if (is_first_child(f)) {
408 if (is_first_child(f)) {
414 c->split_ratio = f->presel->split_ratio;
417 switch (f->presel->split_dir) {
419 c->split_type = TYPE_VERTICAL;
424 c->split_type = TYPE_VERTICAL;
429 c->split_type = TYPE_HORIZONTAL;
434 c->split_type = TYPE_HORIZONTAL;
442 cancel_presel(m, d, f);
443 set_marked(m, d, n, false);
447 propagate_flags_upward(m, d, n);
449 if (d->focus == NULL && is_focusable(n)) {
456 void insert_receptacle(monitor_t *m, desktop_t *d, node_t *n)
458 node_t *r = make_node(XCB_NONE);
459 insert_node(m, d, r, n);
460 put_status(SBSC_MASK_NODE_ADD, "node_add 0x%08X 0x%08X 0x%08X 0x%08X\n", m->id, d->id, n != NULL ? n->id : 0, r->id);
462 if (single_monocle && d->layout == LAYOUT_MONOCLE && tiled_count(d->root, true) > 1) {
463 set_layout(m, d, d->user_layout, false);
467 bool activate_node(monitor_t *m, desktop_t *d, node_t *n)
469 if (n == NULL && d->root != NULL) {
472 n = history_last_node(d, NULL);
475 n = first_focusable_leaf(d->root);
479 if (d == mon->desk || (n != NULL && !is_focusable(n))) {
484 if (d->focus != NULL && n != d->focus) {
485 neutralize_occluding_windows(m, d, n);
489 for (node_t *f = first_extrema(d->focus); f != NULL; f = next_leaf(f, d->focus)) {
490 if (f->client != NULL && !is_descendant(f, n)) {
491 window_draw_border(f->id, get_border_color(false, (m == mon)));
495 draw_border(n, true, (m == mon));
499 history_add(m, d, n, false);
501 put_status(SBSC_MASK_REPORT);
507 put_status(SBSC_MASK_NODE_ACTIVATE, "node_activate 0x%08X 0x%08X 0x%08X\n", m->id, d->id, n->id);
512 void transfer_sticky_nodes(monitor_t *ms, desktop_t *ds, monitor_t *md, desktop_t *dd, node_t *n)
516 } else if (n->sticky) {
517 sticky_still = false;
518 transfer_node(ms, ds, n, md, dd, dd->focus, false);
521 /* we need references to the children because n might be freed after
522 * the first recursive call */
523 node_t *first_child = n->first_child;
524 node_t *second_child = n->second_child;
525 transfer_sticky_nodes(ms, ds, md, dd, first_child);
526 transfer_sticky_nodes(ms, ds, md, dd, second_child);
530 bool focus_node(monitor_t *m, desktop_t *d, node_t *n)
535 m = history_last_monitor(NULL);
549 d = history_last_desktop(m, NULL);
560 bool guess = (n == NULL);
562 if (n == NULL && d->root != NULL) {
565 n = history_last_node(d, NULL);
568 n = first_focusable_leaf(d->root);
572 if (n != NULL && !is_focusable(n)) {
576 if ((mon != NULL && mon->desk != d) || n == NULL || n->client == NULL) {
580 if (m->sticky_count > 0 && m->desk != NULL && d != m->desk) {
581 if (guess && m->desk->focus != NULL && m->desk->focus->sticky) {
585 transfer_sticky_nodes(m, m->desk, m, d, m->desk->root);
587 if (n == NULL && d->focus != NULL) {
592 if (d->focus != NULL && n != d->focus) {
593 neutralize_occluding_windows(m, d, n);
596 if (n != NULL && n->client != NULL && n->client->urgent) {
597 set_urgent(m, d, n, false);
602 for (desktop_t *e = mon->desk_head; e != NULL; e = e->next) {
603 draw_border(e->focus, true, false);
606 for (desktop_t *e = m->desk_head; e != NULL; e = e->next) {
610 draw_border(e->focus, true, true);
615 for (node_t *f = first_extrema(d->focus); f != NULL; f = next_leaf(f, d->focus)) {
616 if (f->client != NULL && !is_descendant(f, n)) {
617 window_draw_border(f->id, get_border_color(false, true));
622 draw_border(n, true, true);
624 bool desk_changed = (m != mon || m->desk != d);
625 bool has_input_focus = false;
630 if (pointer_follows_monitor) {
631 center_pointer(m->rectangle);
634 put_status(SBSC_MASK_MONITOR_FOCUS, "monitor_focus 0x%08X\n", m->id);
640 has_input_focus = true;
641 hide_desktop(m->desk);
646 ewmh_update_current_desktop();
647 put_status(SBSC_MASK_DESKTOP_FOCUS, "desktop_focus 0x%08X 0x%08X\n", m->id, d->id);
651 if (!has_input_focus) {
654 ewmh_update_active_window();
655 history_add(m, d, n, true);
657 put_status(SBSC_MASK_REPORT);
660 if (focus_follows_pointer) {
661 update_motion_recorder();
666 put_status(SBSC_MASK_NODE_FOCUS, "node_focus 0x%08X 0x%08X 0x%08X\n", m->id, d->id, n->id);
670 if (pointer_follows_focus) {
671 center_pointer(get_rectangle(m, d, n));
672 } else if (focus_follows_pointer) {
673 update_motion_recorder();
679 void hide_node(desktop_t *d, node_t *n)
681 if (n == NULL || (!hide_sticky && n->sticky)) {
685 if (n->presel != NULL && d->layout != LAYOUT_MONOCLE) {
686 window_hide(n->presel->feedback);
688 if (n->client != NULL) {
692 if (n->client != NULL) {
693 n->client->shown = false;
695 hide_node(d, n->first_child);
696 hide_node(d, n->second_child);
700 void show_node(desktop_t *d, node_t *n)
706 if (n->client != NULL) {
709 if (n->presel != NULL && d->layout != LAYOUT_MONOCLE) {
710 window_show(n->presel->feedback);
713 if (n->client != NULL) {
714 n->client->shown = true;
716 show_node(d, n->first_child);
717 show_node(d, n->second_child);
721 node_t *make_node(uint32_t id)
723 if (id == XCB_NONE) {
724 id = xcb_generate_id(dpy);
726 node_t *n = calloc(1, sizeof(node_t));
728 n->parent = n->first_child = n->second_child = NULL;
729 n->vacant = n->hidden = n->sticky = n->private = n->locked = n->marked = false;
730 n->split_ratio = split_ratio;
731 n->split_type = TYPE_VERTICAL;
732 n->constraints = (constraints_t) {MIN_WIDTH, MIN_HEIGHT};
738 client_t *make_client(void)
740 client_t *c = calloc(1, sizeof(client_t));
741 c->state = c->last_state = STATE_TILED;
742 c->layer = c->last_layer = LAYER_NORMAL;
743 snprintf(c->class_name, sizeof(c->class_name), "%s", MISSING_VALUE);
744 snprintf(c->instance_name, sizeof(c->instance_name), "%s", MISSING_VALUE);
745 c->border_width = border_width;
749 c->icccm_props.input_hint = true;
750 c->icccm_props.take_focus = false;
751 c->icccm_props.delete_window = false;
752 c->size_hints.flags = 0;
756 void initialize_client(node_t *n)
758 xcb_window_t win = n->id;
759 client_t *c = n->client;
760 xcb_icccm_get_wm_protocols_reply_t protos;
761 if (xcb_icccm_get_wm_protocols_reply(dpy, xcb_icccm_get_wm_protocols(dpy, win, ewmh->WM_PROTOCOLS), &protos, NULL) == 1) {
762 for (uint32_t i = 0; i < protos.atoms_len; i++) {
763 if (protos.atoms[i] == WM_TAKE_FOCUS) {
764 c->icccm_props.take_focus = true;
765 } else if (protos.atoms[i] == WM_DELETE_WINDOW) {
766 c->icccm_props.delete_window = true;
769 xcb_icccm_get_wm_protocols_reply_wipe(&protos);
771 xcb_ewmh_get_atoms_reply_t wm_state;
772 if (xcb_ewmh_get_wm_state_reply(ewmh, xcb_ewmh_get_wm_state(ewmh, win), &wm_state, NULL) == 1) {
773 for (unsigned int i = 0; i < wm_state.atoms_len && i < MAX_WM_STATES; i++) {
774 #define HANDLE_WM_STATE(s) \
775 if (wm_state.atoms[i] == ewmh->_NET_WM_STATE_##s) { \
776 c->wm_flags |= WM_FLAG_##s; continue; \
778 HANDLE_WM_STATE(MODAL)
779 HANDLE_WM_STATE(STICKY)
780 HANDLE_WM_STATE(MAXIMIZED_VERT)
781 HANDLE_WM_STATE(MAXIMIZED_HORZ)
782 HANDLE_WM_STATE(SHADED)
783 HANDLE_WM_STATE(SKIP_TASKBAR)
784 HANDLE_WM_STATE(SKIP_PAGER)
785 HANDLE_WM_STATE(HIDDEN)
786 HANDLE_WM_STATE(FULLSCREEN)
787 HANDLE_WM_STATE(ABOVE)
788 HANDLE_WM_STATE(BELOW)
789 HANDLE_WM_STATE(DEMANDS_ATTENTION)
790 #undef HANDLE_WM_STATE
792 xcb_ewmh_get_atoms_reply_wipe(&wm_state);
794 xcb_icccm_wm_hints_t hints;
795 if (xcb_icccm_get_wm_hints_reply(dpy, xcb_icccm_get_wm_hints(dpy, win), &hints, NULL) == 1
796 && (hints.flags & XCB_ICCCM_WM_HINT_INPUT)) {
797 c->icccm_props.input_hint = hints.input;
799 xcb_icccm_get_wm_normal_hints_reply(dpy, xcb_icccm_get_wm_normal_hints(dpy, win), &c->size_hints, NULL);
802 bool is_focusable(node_t *n)
804 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
805 if (f->client != NULL && !f->hidden) {
812 bool is_leaf(node_t *n)
814 return (n != NULL && n->first_child == NULL && n->second_child == NULL);
817 bool is_first_child(node_t *n)
819 return (n != NULL && n->parent != NULL && n->parent->first_child == n);
822 bool is_second_child(node_t *n)
824 return (n != NULL && n->parent != NULL && n->parent->second_child == n);
827 unsigned int clients_count_in(node_t *n)
832 return (n->client != NULL ? 1 : 0) +
833 clients_count_in(n->first_child) +
834 clients_count_in(n->second_child);
838 node_t *brother_tree(node_t *n)
840 if (n == NULL || n->parent == NULL) {
843 if (is_first_child(n)) {
844 return n->parent->second_child;
846 return n->parent->first_child;
850 node_t *first_extrema(node_t *n)
854 } else if (n->first_child == NULL) {
857 return first_extrema(n->first_child);
861 node_t *second_extrema(node_t *n)
865 } else if (n->second_child == NULL) {
868 return second_extrema(n->second_child);
872 node_t *first_focusable_leaf(node_t *n)
874 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
875 if (f->client != NULL && !f->hidden) {
882 node_t *next_node(node_t *n)
888 if (n->second_child != NULL) {
889 return first_extrema(n->second_child);
892 while (is_second_child(p)) {
895 if (is_first_child(p)) {
903 node_t *prev_node(node_t *n)
909 if (n->first_child != NULL) {
910 return second_extrema(n->first_child);
913 while (is_first_child(p)) {
916 if (is_second_child(p)) {
924 node_t *next_leaf(node_t *n, node_t *r)
930 while (is_second_child(p) && p != r) {
936 return first_extrema(p->parent->second_child);
939 node_t *prev_leaf(node_t *n, node_t *r)
945 while (is_first_child(p) && p != r) {
951 return second_extrema(p->parent->first_child);
954 node_t *next_tiled_leaf(node_t *n, node_t *r)
956 node_t *next = next_leaf(n, r);
957 if (next == NULL || (next->client != NULL && !next->vacant)) {
960 return next_tiled_leaf(next, r);
964 node_t *prev_tiled_leaf(node_t *n, node_t *r)
966 node_t *prev = prev_leaf(n, r);
967 if (prev == NULL || (prev->client != NULL && !prev->vacant)) {
970 return prev_tiled_leaf(prev, r);
974 /* Returns true if *b* is adjacent to *a* in the direction *dir* */
975 bool is_adjacent(node_t *a, node_t *b, direction_t dir)
979 return (a->rectangle.x + a->rectangle.width) == b->rectangle.x;
982 return (a->rectangle.y + a->rectangle.height) == b->rectangle.y;
985 return (b->rectangle.x + b->rectangle.width) == a->rectangle.x;
988 return (b->rectangle.y + b->rectangle.height) == a->rectangle.y;
994 node_t *find_fence(node_t *n, direction_t dir)
1005 if ((dir == DIR_NORTH && p->split_type == TYPE_HORIZONTAL && p->rectangle.y < n->rectangle.y) ||
1006 (dir == DIR_WEST && p->split_type == TYPE_VERTICAL && p->rectangle.x < n->rectangle.x) ||
1007 (dir == DIR_SOUTH && p->split_type == TYPE_HORIZONTAL && (p->rectangle.y + p->rectangle.height) > (n->rectangle.y + n->rectangle.height)) ||
1008 (dir == DIR_EAST && p->split_type == TYPE_VERTICAL && (p->rectangle.x + p->rectangle.width) > (n->rectangle.x + n->rectangle.width)))
1016 /* returns *true* if *a* is a child of *b* */
1017 bool is_child(node_t *a, node_t *b)
1019 if (a == NULL || b == NULL) {
1022 return (a->parent != NULL && a->parent == b);
1025 /* returns *true* if *a* is a descendant of *b* */
1026 bool is_descendant(node_t *a, node_t *b)
1028 if (a == NULL || b == NULL) {
1031 while (a != b && a != NULL) {
1037 bool find_by_id(uint32_t id, coordinates_t *loc)
1039 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1040 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1041 node_t *n = find_by_id_in(d->root, id);
1053 node_t *find_by_id_in(node_t *r, uint32_t id)
1057 } else if (r->id == id) {
1060 node_t *f = find_by_id_in(r->first_child, id);
1064 return find_by_id_in(r->second_child, id);
1069 void find_any_node(coordinates_t *ref, coordinates_t *dst, node_select_t *sel)
1071 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1072 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1073 if (find_any_node_in(m, d, d->root, ref, dst, sel)) {
1080 bool find_any_node_in(monitor_t *m, desktop_t *d, node_t *n, coordinates_t *ref, coordinates_t *dst, node_select_t *sel)
1085 coordinates_t loc = {m, d, n};
1086 if (node_matches(&loc, ref, sel)) {
1090 if (find_any_node_in(m, d, n->first_child, ref, dst, sel)) {
1093 return find_any_node_in(m, d, n->second_child, ref, dst, sel);
1099 void find_first_ancestor(coordinates_t *ref, coordinates_t *dst, node_select_t *sel)
1101 if (ref->node == NULL) {
1105 coordinates_t loc = {ref->monitor, ref->desktop, ref->node};
1106 while ((loc.node = loc.node->parent) != NULL) {
1107 if (node_matches(&loc, ref, sel)) {
1114 /* Based on https://github.com/ntrrgc/right-window */
1115 void find_nearest_neighbor(coordinates_t *ref, coordinates_t *dst, direction_t dir, node_select_t *sel)
1117 xcb_rectangle_t rect = get_rectangle(ref->monitor, ref->desktop, ref->node);
1118 uint32_t md = UINT32_MAX, mr = UINT32_MAX;
1120 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1121 desktop_t *d = m->desk;
1122 for (node_t *f = first_extrema(d->root); f != NULL; f = next_leaf(f, d->root)) {
1123 coordinates_t loc = {m, d, f};
1124 xcb_rectangle_t r = get_rectangle(m, d, f);
1125 if (f == ref->node ||
1126 f->client == NULL ||
1128 is_descendant(f, ref->node) ||
1129 !node_matches(&loc, ref, sel) ||
1130 !on_dir_side(rect, r, dir)) {
1133 uint32_t fd = boundary_distance(rect, r, dir);
1134 uint32_t fr = history_rank(f);
1135 if (fd < md || (fd == md && fr < mr)) {
1144 unsigned int node_area(desktop_t *d, node_t *n)
1149 return area(get_rectangle(NULL, d, n));
1152 int tiled_count(node_t *n, bool include_receptacles)
1158 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
1159 if (!f->hidden && ((include_receptacles && f->client == NULL) ||
1160 (f->client != NULL && IS_TILED(f->client)))) {
1167 void find_by_area(area_peak_t ap, coordinates_t *ref, coordinates_t *dst, node_select_t *sel)
1169 unsigned int p_area;
1170 if (ap == AREA_BIGGEST) {
1176 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1177 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1178 for (node_t *f = first_extrema(d->root); f != NULL; f = next_leaf(f, d->root)) {
1179 coordinates_t loc = {m, d, f};
1180 if (f->vacant || !node_matches(&loc, ref, sel)) {
1183 unsigned int f_area = node_area(d, f);
1184 if ((ap == AREA_BIGGEST && f_area > p_area) || (ap == AREA_SMALLEST && f_area < p_area)) {
1193 void rotate_tree(node_t *n, int deg)
1195 rotate_tree_rec(n, deg);
1196 rebuild_constraints_from_leaves(n);
1197 rebuild_constraints_towards_root(n);
1200 void rotate_tree_rec(node_t *n, int deg)
1202 if (n == NULL || is_leaf(n) || deg == 0) {
1208 if ((deg == 90 && n->split_type == TYPE_HORIZONTAL) ||
1209 (deg == 270 && n->split_type == TYPE_VERTICAL) ||
1211 tmp = n->first_child;
1212 n->first_child = n->second_child;
1213 n->second_child = tmp;
1214 n->split_ratio = 1.0 - n->split_ratio;
1218 if (n->split_type == TYPE_HORIZONTAL) {
1219 n->split_type = TYPE_VERTICAL;
1220 } else if (n->split_type == TYPE_VERTICAL) {
1221 n->split_type = TYPE_HORIZONTAL;
1225 rotate_tree_rec(n->first_child, deg);
1226 rotate_tree_rec(n->second_child, deg);
1229 void flip_tree(node_t *n, flip_t flp)
1231 if (n == NULL || is_leaf(n)) {
1237 if ((flp == FLIP_HORIZONTAL && n->split_type == TYPE_HORIZONTAL) ||
1238 (flp == FLIP_VERTICAL && n->split_type == TYPE_VERTICAL)) {
1239 tmp = n->first_child;
1240 n->first_child = n->second_child;
1241 n->second_child = tmp;
1242 n->split_ratio = 1.0 - n->split_ratio;
1245 flip_tree(n->first_child, flp);
1246 flip_tree(n->second_child, flp);
1249 void equalize_tree(node_t *n)
1251 if (n == NULL || n->vacant) {
1254 n->split_ratio = split_ratio;
1255 equalize_tree(n->first_child);
1256 equalize_tree(n->second_child);
1260 int balance_tree(node_t *n)
1262 if (n == NULL || n->vacant) {
1264 } else if (is_leaf(n)) {
1267 int b1 = balance_tree(n->first_child);
1268 int b2 = balance_tree(n->second_child);
1270 if (b1 > 0 && b2 > 0) {
1271 n->split_ratio = (double) b1 / b;
1277 /* Adjust the split ratios so that they keep their position
1278 * despite the potential alteration of their rectangle. */
1279 void adjust_ratios(node_t *n, xcb_rectangle_t rect)
1287 if (n->split_type == TYPE_VERTICAL) {
1288 double position = (double) n->rectangle.x + n->split_ratio * (double) n->rectangle.width;
1289 ratio = (position - (double) rect.x) / (double) rect.width;
1291 double position = (double) n->rectangle.y + n->split_ratio * (double) n->rectangle.height;
1292 ratio = (position - (double) rect.y) / (double) rect.height;
1295 ratio = MAX(0.0, ratio);
1296 ratio = MIN(1.0, ratio);
1297 n->split_ratio = ratio;
1299 xcb_rectangle_t first_rect;
1300 xcb_rectangle_t second_rect;
1303 if (n->split_type == TYPE_VERTICAL) {
1304 fence = rect.width * n->split_ratio;
1305 first_rect = (xcb_rectangle_t) {rect.x, rect.y, fence, rect.height};
1306 second_rect = (xcb_rectangle_t) {rect.x + fence, rect.y, rect.width - fence, rect.height};
1308 fence = rect.height * n->split_ratio;
1309 first_rect = (xcb_rectangle_t) {rect.x, rect.y, rect.width, fence};
1310 second_rect = (xcb_rectangle_t) {rect.x, rect.y + fence, rect.width, rect.height - fence};
1313 adjust_ratios(n->first_child, first_rect);
1314 adjust_ratios(n->second_child, second_rect);
1317 void unlink_node(monitor_t *m, desktop_t *d, node_t *n)
1319 if (d == NULL || n == NULL) {
1323 node_t *p = n->parent;
1329 if (d->focus == p || is_descendant(d->focus, n)) {
1333 history_remove(d, p, false);
1334 cancel_presel(m, d, p);
1340 node_t *b = brother_tree(n);
1341 node_t *g = p->parent;
1346 if (is_first_child(p)) {
1349 g->second_child = b;
1355 if (!n->vacant && removal_adjustment) {
1356 if (automatic_scheme == SCHEME_SPIRAL) {
1357 if (is_first_child(n)) {
1358 rotate_tree(b, 270);
1362 } else if (automatic_scheme == SCHEME_LONGEST_SIDE || g == NULL) {
1364 if (p->rectangle.width > p->rectangle.height) {
1365 b->split_type = TYPE_VERTICAL;
1367 b->split_type = TYPE_HORIZONTAL;
1370 } else if (automatic_scheme == SCHEME_ALTERNATE) {
1371 if (g->split_type == TYPE_HORIZONTAL) {
1372 b->split_type = TYPE_VERTICAL;
1374 b->split_type = TYPE_HORIZONTAL;
1382 propagate_flags_upward(m, d, b);
1386 void close_node(node_t *n)
1390 } else if (n->client != NULL) {
1391 if (n->client->icccm_props.delete_window) {
1392 send_client_message(n->id, ewmh->WM_PROTOCOLS, WM_DELETE_WINDOW);
1394 xcb_kill_client(dpy, n->id);
1397 close_node(n->first_child);
1398 close_node(n->second_child);
1402 void kill_node(monitor_t *m, desktop_t *d, node_t *n)
1408 if (IS_RECEPTACLE(n)) {
1409 put_status(SBSC_MASK_NODE_REMOVE, "node_remove 0x%08X 0x%08X 0x%08X\n", m->id, d->id, n->id);
1410 remove_node(m, d, n);
1412 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
1413 if (f->client != NULL) {
1414 xcb_kill_client(dpy, f->id);
1420 void remove_node(monitor_t *m, desktop_t *d, node_t *n)
1426 unlink_node(m, d, n);
1427 history_remove(d, n, true);
1428 remove_stack_node(n);
1429 cancel_presel_in(m, d, n);
1430 if (m->sticky_count > 0 && d == m->desk) {
1431 m->sticky_count -= sticky_count(n);
1433 clients_count -= clients_count_in(n);
1434 if (is_descendant(grabbed_node, n)) {
1435 grabbed_node = NULL;
1439 if (single_monocle && d->layout != LAYOUT_MONOCLE && tiled_count(d->root, true) <= 1) {
1440 set_layout(m, d, LAYOUT_MONOCLE, false);
1443 ewmh_update_client_list(false);
1444 ewmh_update_client_list(true);
1446 if (mon != NULL && d->focus == NULL) {
1447 if (d == mon->desk) {
1448 focus_node(m, d, NULL);
1450 activate_node(m, d, NULL);
1455 void free_node(node_t *n)
1460 node_t *first_child = n->first_child;
1461 node_t *second_child = n->second_child;
1464 free_node(first_child);
1465 free_node(second_child);
1468 bool swap_nodes(monitor_t *m1, desktop_t *d1, node_t *n1, monitor_t *m2, desktop_t *d2, node_t *n2, bool follow)
1470 if (n1 == NULL || n2 == NULL || n1 == n2 || is_descendant(n1, n2) || is_descendant(n2, n1) ||
1471 (d1 != d2 && ((m1->sticky_count > 0 && sticky_count(n1) > 0) ||
1472 (m2->sticky_count > 0 && sticky_count(n2) > 0)))) {
1476 put_status(SBSC_MASK_NODE_SWAP, "node_swap 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", m1->id, d1->id, n1->id, m2->id, d2->id, n2->id);
1478 node_t *pn1 = n1->parent;
1479 node_t *pn2 = n2->parent;
1480 bool n1_first_child = is_first_child(n1);
1481 bool n2_first_child = is_first_child(n2);
1482 bool n1_held_focus = is_descendant(d1->focus, n1);
1483 bool n2_held_focus = is_descendant(d2->focus, n2);
1484 node_t *last_d1_focus = d1->focus;
1485 node_t *last_d2_focus = d2->focus;
1488 if (n1_first_child) {
1489 pn1->first_child = n2;
1491 pn1->second_child = n2;
1496 if (n2_first_child) {
1497 pn2->first_child = n1;
1499 pn2->second_child = n1;
1506 propagate_flags_upward(m2, d2, n1);
1507 propagate_flags_upward(m1, d1, n2);
1510 if (d1->root == n1) {
1514 if (d2->root == n2) {
1518 if (n1_held_focus) {
1519 d1->focus = n2_held_focus ? last_d2_focus : n2;
1522 if (n2_held_focus) {
1523 d2->focus = n1_held_focus ? last_d1_focus : n1;
1527 adapt_geometry(&m2->rectangle, &m1->rectangle, n2);
1528 adapt_geometry(&m1->rectangle, &m2->rectangle, n1);
1531 ewmh_set_wm_desktop(n1, d2);
1532 ewmh_set_wm_desktop(n2, d1);
1534 history_remove(d1, n1, true);
1535 history_remove(d2, n2, true);
1537 bool d1_was_focused = (d1 == mon->desk);
1538 bool d2_was_focused = (d2 == mon->desk);
1540 if (m1->desk != d1 && m2->desk == d2) {
1542 if (!follow || !d2_was_focused || !n2_held_focus) {
1545 } else if (m1->desk == d1 && m2->desk != d2) {
1546 if (!follow || !d1_was_focused || !n1_held_focus) {
1552 if (single_monocle) {
1553 layout_t l1 = tiled_count(d1->root, true) <= 1 ? LAYOUT_MONOCLE : d1->user_layout;
1554 layout_t l2 = tiled_count(d2->root, true) <= 1 ? LAYOUT_MONOCLE : d2->user_layout;
1555 set_layout(m1, d1, l1, false);
1556 set_layout(m2, d2, l2, false);
1559 if (n1_held_focus) {
1560 if (d1_was_focused) {
1562 focus_node(m2, d2, last_d1_focus);
1564 focus_node(m1, d1, d1->focus);
1567 activate_node(m1, d1, d1->focus);
1570 draw_border(n2, is_descendant(n2, d1->focus), (m1 == mon));
1573 if (n2_held_focus) {
1574 if (d2_was_focused) {
1576 focus_node(m1, d1, last_d2_focus);
1578 focus_node(m2, d2, d2->focus);
1581 activate_node(m2, d2, d2->focus);
1584 draw_border(n1, is_descendant(n1, d2->focus), (m2 == mon));
1587 if (!n1_held_focus) {
1588 draw_border(n1, is_descendant(n1, d2->focus), (m2 == mon));
1590 if (!n2_held_focus) {
1591 draw_border(n2, is_descendant(n2, d1->focus), (m1 == mon));
1600 if (pointer_follows_focus && (n1_held_focus || n2_held_focus)) {
1601 center_pointer(get_rectangle(m1, d1, d1->focus));
1608 bool transfer_node(monitor_t *ms, desktop_t *ds, node_t *ns, monitor_t *md, desktop_t *dd, node_t *nd, bool follow)
1610 if (ns == NULL || ns == nd || is_child(ns, nd) || is_descendant(nd, ns)) {
1614 unsigned int sc = (ms->sticky_count > 0 && ds == ms->desk) ? sticky_count(ns) : 0;
1615 if (sticky_still && sc > 0 && dd != md->desk) {
1619 put_status(SBSC_MASK_NODE_TRANSFER, "node_transfer 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X 0x%08X\n", ms->id, ds->id, ns->id, md->id, dd->id, nd!=NULL?nd->id:0);
1621 bool held_focus = is_descendant(ds->focus, ns);
1622 /* avoid ending up with a dangling pointer (because of unlink_node) */
1623 node_t *last_ds_focus = is_child(ns, ds->focus) ? NULL : ds->focus;
1624 bool ds_was_focused = (ds == mon->desk);
1626 if (held_focus && ds_was_focused) {
1627 clear_input_focus();
1630 unlink_node(ms, ds, ns);
1631 insert_node(md, dd, ns, nd);
1634 if (ns->client == NULL || monitor_from_client(ns->client) != md) {
1635 adapt_geometry(&ms->rectangle, &md->rectangle, ns);
1637 ms->sticky_count -= sc;
1638 md->sticky_count += sc;
1642 ewmh_set_wm_desktop(ns, dd);
1644 if (ds == ms->desk && dd != md->desk) {
1646 } else if (ds != ms->desk && dd == md->desk) {
1652 history_remove(ds, ns, true);
1653 stack(dd, ns, false);
1657 if (ds_was_focused) {
1658 focus_node(ms, ds, last_ds_focus);
1660 activate_node(ms, ds, last_ds_focus);
1663 draw_border(ns, is_descendant(ns, ds->focus), (ms == mon));
1666 if (single_monocle) {
1667 if (ds->layout != LAYOUT_MONOCLE && tiled_count(ds->root, true) <= 1) {
1668 set_layout(ms, ds, LAYOUT_MONOCLE, false);
1670 if (dd->layout == LAYOUT_MONOCLE && tiled_count(dd->root, true) > 1) {
1671 set_layout(md, dd, dd->user_layout, false);
1676 if (ds_was_focused) {
1677 focus_node(md, dd, last_ds_focus);
1679 activate_node(ms, ds, ds->focus);
1681 if (ds_was_focused) {
1682 focus_node(ms, ds, ds->focus);
1684 activate_node(ms, ds, ds->focus);
1688 if (!held_focus || !follow || !ds_was_focused) {
1689 if (dd->focus == ns) {
1690 if (dd == mon->desk) {
1691 focus_node(md, dd, held_focus ? last_ds_focus : ns);
1693 activate_node(md, dd, held_focus ? last_ds_focus : ns);
1696 draw_border(ns, is_descendant(ns, dd->focus), (md == mon));
1710 bool find_closest_node(coordinates_t *ref, coordinates_t *dst, cycle_dir_t dir, node_select_t *sel)
1712 monitor_t *m = ref->monitor;
1713 desktop_t *d = ref->desktop;
1714 node_t *n = ref->node;
1715 n = (dir == CYCLE_PREV ? prev_node(n) : next_node(n));
1717 #define HANDLE_BOUNDARIES(m, d, n) \
1718 while (n == NULL) { \
1719 d = (dir == CYCLE_PREV ? d->prev : d->next); \
1721 m = (dir == CYCLE_PREV ? m->prev : m->next); \
1723 m = (dir == CYCLE_PREV ? mon_tail : mon_head); \
1725 d = (dir == CYCLE_PREV ? m->desk_tail : m->desk_head); \
1727 n = (dir == CYCLE_PREV ? second_extrema(d->root) : first_extrema(d->root)); \
1728 if (ref->node == NULL && d == ref->desktop) { \
1732 HANDLE_BOUNDARIES(m, d, n);
1734 while (n != ref->node) {
1735 coordinates_t loc = {m, d, n};
1736 if (node_matches(&loc, ref, sel)) {
1740 n = (dir == CYCLE_PREV ? prev_node(n) : next_node(n));
1741 HANDLE_BOUNDARIES(m, d, n);
1742 if (ref->node == NULL && d == ref->desktop) {
1746 #undef HANDLE_BOUNDARIES
1750 void circulate_leaves(monitor_t *m, desktop_t *d, node_t *n, circulate_dir_t dir)
1752 if (tiled_count(n, false) < 2) {
1755 node_t *p = d->focus->parent;
1756 bool focus_first_child = is_first_child(d->focus);
1757 if (dir == CIRCULATE_FORWARD) {
1758 node_t *e = second_extrema(n);
1759 while (e != NULL && (e->client == NULL || !IS_TILED(e->client))) {
1760 e = prev_leaf(e, n);
1762 for (node_t *s = e, *f = prev_tiled_leaf(s, n); f != NULL; s = prev_tiled_leaf(f, n), f = prev_tiled_leaf(s, n)) {
1763 swap_nodes(m, d, f, m, d, s, false);
1766 node_t *e = first_extrema(n);
1767 while (e != NULL && (e->client == NULL || !IS_TILED(e->client))) {
1768 e = next_leaf(e, n);
1770 for (node_t *f = e, *s = next_tiled_leaf(f, n); s != NULL; f = next_tiled_leaf(s, n), s = next_tiled_leaf(f, n)) {
1771 swap_nodes(m, d, f, m, d, s, false);
1775 node_t *f = focus_first_child ? p->first_child : p->second_child;
1777 if (d == mon->desk) {
1778 focus_node(m, d, f);
1780 activate_node(m, d, f);
1786 void set_vacant(monitor_t *m, desktop_t *d, node_t *n, bool value)
1788 if (n->vacant == value) {
1792 propagate_vacant_downward(m, d, n, value);
1793 propagate_vacant_upward(m, d, n);
1796 void set_vacant_local(monitor_t *m, desktop_t *d, node_t *n, bool value)
1798 if (n->vacant == value) {
1805 cancel_presel(m, d, n);
1809 void propagate_vacant_downward(monitor_t *m, desktop_t *d, node_t *n, bool value)
1815 set_vacant_local(m, d, n, value);
1817 propagate_vacant_downward(m, d, n->first_child, value);
1818 propagate_vacant_downward(m, d, n->second_child, value);
1821 void propagate_vacant_upward(monitor_t *m, desktop_t *d, node_t *n)
1827 node_t *p = n->parent;
1830 set_vacant_local(m, d, p, (p->first_child->vacant && p->second_child->vacant));
1833 propagate_vacant_upward(m, d, p);
1836 bool set_layer(monitor_t *m, desktop_t *d, node_t *n, stack_layer_t l)
1838 if (n == NULL || n->client == NULL || n->client->layer == l) {
1842 n->client->last_layer = n->client->layer;
1843 n->client->layer = l;
1845 if (l == LAYER_ABOVE) {
1846 n->client->wm_flags |= WM_FLAG_ABOVE;
1847 n->client->wm_flags &= ~WM_FLAG_BELOW;
1848 } else if (l == LAYER_BELOW) {
1849 n->client->wm_flags |= WM_FLAG_BELOW;
1850 n->client->wm_flags &= ~WM_FLAG_ABOVE;
1852 n->client->wm_flags &= ~(WM_FLAG_ABOVE | WM_FLAG_BELOW);
1855 ewmh_wm_state_update(n);
1857 put_status(SBSC_MASK_NODE_LAYER, "node_layer 0x%08X 0x%08X 0x%08X %s\n", m->id, d->id, n->id, LAYER_STR(l));
1859 if (d->focus == n) {
1860 neutralize_occluding_windows(m, d, n);
1863 stack(d, n, (d->focus == n));
1868 bool set_state(monitor_t *m, desktop_t *d, node_t *n, client_state_t s)
1870 if (n == NULL || n->client == NULL || n->client->state == s) {
1874 client_t *c = n->client;
1876 bool was_tiled = IS_TILED(c);
1878 c->last_state = c->state;
1881 switch (c->last_state) {
1883 case STATE_PSEUDO_TILED:
1885 case STATE_FLOATING:
1886 set_floating(m, d, n, false);
1888 case STATE_FULLSCREEN:
1889 set_fullscreen(m, d, n, false);
1893 put_status(SBSC_MASK_NODE_STATE, "node_state 0x%08X 0x%08X 0x%08X %s off\n", m->id, d->id, n->id, STATE_STR(c->last_state));
1897 case STATE_PSEUDO_TILED:
1899 case STATE_FLOATING:
1900 set_floating(m, d, n, true);
1902 case STATE_FULLSCREEN:
1903 set_fullscreen(m, d, n, true);
1907 put_status(SBSC_MASK_NODE_STATE, "node_state 0x%08X 0x%08X 0x%08X %s on\n", m->id, d->id, n->id, STATE_STR(c->state));
1909 if (n == m->desk->focus) {
1910 put_status(SBSC_MASK_REPORT);
1913 if (single_monocle && was_tiled != IS_TILED(c)) {
1914 if (was_tiled && d->layout != LAYOUT_MONOCLE && tiled_count(d->root, true) <= 1) {
1915 set_layout(m, d, LAYOUT_MONOCLE, false);
1916 } else if (!was_tiled && d->layout == LAYOUT_MONOCLE && tiled_count(d->root, true) > 1) {
1917 set_layout(m, d, d->user_layout, false);
1924 void set_floating(monitor_t *m, desktop_t *d, node_t *n, bool value)
1930 cancel_presel(m, d, n);
1932 set_vacant(m, d, n, value);
1935 if (!value && d->focus == n) {
1936 neutralize_occluding_windows(m, d, n);
1939 stack(d, n, (d->focus == n));
1942 void set_fullscreen(monitor_t *m, desktop_t *d, node_t *n, bool value)
1948 client_t *c = n->client;
1950 cancel_presel(m, d, n);
1952 set_vacant(m, d, n, value);
1956 c->wm_flags |= WM_FLAG_FULLSCREEN;
1958 c->wm_flags &= ~WM_FLAG_FULLSCREEN;
1959 if (d->focus == n) {
1960 neutralize_occluding_windows(m, d, n);
1964 ewmh_wm_state_update(n);
1965 stack(d, n, (d->focus == n));
1968 void neutralize_occluding_windows(monitor_t *m, desktop_t *d, node_t *n)
1970 bool changed = false;
1971 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
1972 for (node_t *a = first_extrema(d->root); a != NULL; a = next_leaf(a, d->root)) {
1973 if (a != f && a->client != NULL && f->client != NULL &&
1974 IS_FULLSCREEN(a->client) && stack_cmp(f->client, a->client) < 0) {
1975 set_state(m, d, a, a->client->last_state);
1985 void rebuild_constraints_from_leaves(node_t *n)
1987 if (n == NULL || is_leaf(n)) {
1990 rebuild_constraints_from_leaves(n->first_child);
1991 rebuild_constraints_from_leaves(n->second_child);
1992 update_constraints(n);
1996 void rebuild_constraints_towards_root(node_t *n)
2002 node_t *p = n->parent;
2005 update_constraints(p);
2008 rebuild_constraints_towards_root(p);
2011 void update_constraints(node_t *n)
2013 if (n == NULL || is_leaf(n)) {
2016 if (n->split_type == TYPE_VERTICAL) {
2017 n->constraints.min_width = n->first_child->constraints.min_width + n->second_child->constraints.min_width;
2018 n->constraints.min_height = MAX(n->first_child->constraints.min_height, n->second_child->constraints.min_height);
2020 n->constraints.min_width = MAX(n->first_child->constraints.min_width, n->second_child->constraints.min_width);
2021 n->constraints.min_height = n->first_child->constraints.min_height + n->second_child->constraints.min_height;
2025 void propagate_flags_upward(monitor_t *m, desktop_t *d, node_t *n)
2031 node_t *p = n->parent;
2034 set_vacant_local(m, d, p, (p->first_child->vacant && p->second_child->vacant));
2035 set_hidden_local(m, d, p, (p->first_child->hidden && p->second_child->hidden));
2036 update_constraints(p);
2039 propagate_flags_upward(m, d, p);
2042 void set_hidden(monitor_t *m, desktop_t *d, node_t *n, bool value)
2044 if (n == NULL || n->hidden == value) {
2048 bool held_focus = is_descendant(d->focus, n);
2050 propagate_hidden_downward(m, d, n, value);
2051 propagate_hidden_upward(m, d, n);
2053 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X hidden %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2055 if (held_focus || d->focus == NULL) {
2056 if (d->focus != NULL) {
2058 draw_border(n, false, (mon == m));
2060 if (d == mon->desk) {
2061 focus_node(m, d, d->focus);
2063 activate_node(m, d, d->focus);
2067 if (single_monocle) {
2068 if (value && d->layout != LAYOUT_MONOCLE && tiled_count(d->root, true) <= 1) {
2069 set_layout(m, d, LAYOUT_MONOCLE, false);
2070 } else if (!value && d->layout == LAYOUT_MONOCLE && tiled_count(d->root, true) > 1) {
2071 set_layout(m, d, d->user_layout, false);
2076 void set_hidden_local(monitor_t *m, desktop_t *d, node_t *n, bool value)
2078 if (n->hidden == value) {
2084 if (n->client != NULL) {
2085 if (n->client->shown) {
2086 window_set_visibility(n->id, !value);
2089 if (IS_TILED(n->client)) {
2090 set_vacant(m, d, n, value);
2094 n->client->wm_flags |= WM_FLAG_HIDDEN;
2096 n->client->wm_flags &= ~WM_FLAG_HIDDEN;
2099 ewmh_wm_state_update(n);
2103 void propagate_hidden_downward(monitor_t *m, desktop_t *d, node_t *n, bool value)
2109 set_hidden_local(m, d, n, value);
2111 propagate_hidden_downward(m, d, n->first_child, value);
2112 propagate_hidden_downward(m, d, n->second_child, value);
2115 void propagate_hidden_upward(monitor_t *m, desktop_t *d, node_t *n)
2121 node_t *p = n->parent;
2124 set_hidden_local(m, d, p, p->first_child->hidden && p->second_child->hidden);
2127 propagate_hidden_upward(m, d, p);
2130 void set_sticky(monitor_t *m, desktop_t *d, node_t *n, bool value)
2132 if (n == NULL || n->sticky == value) {
2137 transfer_node(m, d, n, m, m->desk, m->desk->focus, false);
2148 if (n->client != NULL) {
2150 n->client->wm_flags |= WM_FLAG_STICKY;
2152 n->client->wm_flags &= ~WM_FLAG_STICKY;
2154 ewmh_wm_state_update(n);
2157 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X sticky %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2159 if (n == m->desk->focus) {
2160 put_status(SBSC_MASK_REPORT);
2164 void set_private(monitor_t *m, desktop_t *d, node_t *n, bool value)
2166 if (n == NULL || n->private == value) {
2172 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X private %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2174 if (n == m->desk->focus) {
2175 put_status(SBSC_MASK_REPORT);
2179 void set_locked(monitor_t *m, desktop_t *d, node_t *n, bool value)
2181 if (n == NULL || n->locked == value) {
2187 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X locked %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2189 if (n == m->desk->focus) {
2190 put_status(SBSC_MASK_REPORT);
2194 void set_marked(monitor_t *m, desktop_t *d, node_t *n, bool value)
2196 if (n == NULL || n->marked == value) {
2202 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X marked %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2204 if (n == m->desk->focus) {
2205 put_status(SBSC_MASK_REPORT);
2209 void set_urgent(monitor_t *m, desktop_t *d, node_t *n, bool value)
2211 if (value && mon->desk->focus == n) {
2215 n->client->urgent = value;
2218 n->client->wm_flags |= WM_FLAG_DEMANDS_ATTENTION;
2220 n->client->wm_flags &= ~WM_FLAG_DEMANDS_ATTENTION;
2223 ewmh_wm_state_update(n);
2225 put_status(SBSC_MASK_NODE_FLAG, "node_flag 0x%08X 0x%08X 0x%08X urgent %s\n", m->id, d->id, n->id, ON_OFF_STR(value));
2226 put_status(SBSC_MASK_REPORT);
2229 xcb_rectangle_t get_rectangle(monitor_t *m, desktop_t *d, node_t *n)
2232 return m->rectangle;
2234 client_t *c = n->client;
2236 if (IS_FLOATING(c)) {
2237 return c->floating_rectangle;
2239 return c->tiled_rectangle;
2242 int wg = (d == NULL ? 0 : (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : d->window_gap));
2243 xcb_rectangle_t rect = n->rectangle;
2250 void listen_enter_notify(node_t *n, bool enable)
2252 uint32_t mask = CLIENT_EVENT_MASK | (enable ? XCB_EVENT_MASK_ENTER_WINDOW : 0);
2253 for (node_t *f = first_extrema(n); f != NULL; f = next_leaf(f, n)) {
2254 if (f->client == NULL) {
2257 xcb_change_window_attributes(dpy, f->id, XCB_CW_EVENT_MASK, &mask);
2258 if (f->presel != NULL) {
2259 xcb_change_window_attributes(dpy, f->presel->feedback, XCB_CW_EVENT_MASK, &mask);
2264 void regenerate_ids_in(node_t *n)
2266 if (n == NULL || n->client != NULL) {
2269 n->id = xcb_generate_id(dpy);
2270 regenerate_ids_in(n->first_child);
2271 regenerate_ids_in(n->second_child);
2274 #define DEF_FLAG_COUNT(flag) \
2275 unsigned int flag##_count(node_t *n) \
2280 return ((n->flag ? 1 : 0) + \
2281 flag##_count(n->first_child) + \
2282 flag##_count(n->second_child)); \
2285 DEF_FLAG_COUNT(sticky)
2286 DEF_FLAG_COUNT(private)
2287 DEF_FLAG_COUNT(locked)
2288 #undef DEF_FLAG_COUNT