X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=tree.c;h=8ed18f6731288f51af5d5c5f91d80950b280816a;hb=c9925de1825cd5701ab6b09af9626a5622bb9172;hp=b9a0088035a462b8f5de80ff4063f7d66c709bd7;hpb=92c52517da1d872eaa6d0b5fbc04917317d66df7;p=bspwm.git diff --git a/tree.c b/tree.c index b9a0088..8ed18f6 100644 --- a/tree.c +++ b/tree.c @@ -1,829 +1,1159 @@ -#include -#include -#include -#include -#include -#include -#include "settings.h" -#include "helpers.h" -#include "window.h" -#include "types.h" +/* Copyright (c) 2012, Bastien Dejean + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include #include "bspwm.h" +#include "desktop.h" #include "ewmh.h" +#include "history.h" +#include "monitor.h" +#include "query.h" +#include "subscribe.h" +#include "settings.h" +#include "stack.h" +#include "window.h" #include "tree.h" -bool is_leaf(node_t *n) +void arrange(monitor_t *m, desktop_t *d) { - return (n != NULL && n->first_child == NULL && n->second_child == NULL); + if (d->root == NULL) + return; + + PRINTF("arrange %s %s\n", m->name, d->name); + + xcb_rectangle_t rect = m->rectangle; + int wg = (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : d->window_gap); + rect.x += m->left_padding + d->left_padding + wg; + rect.y += m->top_padding + d->top_padding + wg; + rect.width -= m->left_padding + d->left_padding + d->right_padding + m->right_padding + wg; + rect.height -= m->top_padding + d->top_padding + d->bottom_padding + m->bottom_padding + wg; + apply_layout(m, d, d->root, rect, rect); } -bool is_tiled(client_t *c) +void apply_layout(monitor_t *m, desktop_t *d, node_t *n, xcb_rectangle_t rect, xcb_rectangle_t root_rect) { - if (c == NULL) - return false; - return (!c->floating && !c->transient && !c->fullscreen); + if (n == NULL) + return; + + n->rectangle = rect; + + if (is_leaf(n)) { + + unsigned int bw; + if ((borderless_monocle && is_tiled(n->client) && + !n->client->pseudo_tiled && + d->layout == LAYOUT_MONOCLE) || + n->client->fullscreen) + bw = 0; + else + bw = n->client->border_width; + + xcb_rectangle_t r; + if (!n->client->fullscreen) { + if (!n->client->floating) { + int wg = (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : d->window_gap); + if (n->client->pseudo_tiled) { + /* pseudo-tiled clients */ + r = n->client->floating_rectangle; + if (center_pseudo_tiled) { + r.x = rect.x - bw + (rect.width - wg - r.width) / 2; + r.y = rect.y - bw + (rect.height - wg - r.height) / 2; + } else { + r.x = rect.x; + r.y = rect.y; + } + } else { + /* tiled clients */ + r = rect; + int bleed = wg + 2 * bw; + r.width = (bleed < r.width ? r.width - bleed : 1); + r.height = (bleed < r.height ? r.height - bleed : 1); + } + n->client->tiled_rectangle = r; + } else { + /* floating clients */ + r = n->client->floating_rectangle; + } + } else { + /* fullscreen clients */ + r = m->rectangle; + } + + window_move_resize(n->client->window, r.x, r.y, r.width, r.height); + window_border_width(n->client->window, bw); + window_draw_border(n, d->focus == n, m == mon); + + if (pointer_follows_focus && mon->desk->focus == n && frozen_pointer->action == ACTION_NONE) { + center_pointer(r); + } + + } else { + xcb_rectangle_t first_rect; + xcb_rectangle_t second_rect; + + if (d->layout == LAYOUT_MONOCLE || n->first_child->vacant || n->second_child->vacant) { + first_rect = second_rect = rect; + } else { + unsigned int fence; + if (n->split_type == TYPE_VERTICAL) { + fence = rect.width * n->split_ratio; + first_rect = (xcb_rectangle_t) {rect.x, rect.y, fence, rect.height}; + second_rect = (xcb_rectangle_t) {rect.x + fence, rect.y, rect.width - fence, rect.height}; + } else { + fence = rect.height * n->split_ratio; + first_rect = (xcb_rectangle_t) {rect.x, rect.y, rect.width, fence}; + second_rect = (xcb_rectangle_t) {rect.x, rect.y + fence, rect.width, rect.height - fence}; + } + } + + apply_layout(m, d, n->first_child, first_rect, root_rect); + apply_layout(m, d, n->second_child, second_rect, root_rect); + } } -bool is_floating(client_t *c) +void insert_node(monitor_t *m, desktop_t *d, node_t *n, node_t *f) { - if (c == NULL) - return false; - return (c->floating && !c->fullscreen); + if (d == NULL || n == NULL) + return; + + PRINTF("insert node %X\n", n->client->window); + + /* n: new leaf node */ + /* c: new container node */ + /* f: focus or insertion anchor */ + /* p: parent of focus */ + /* g: grand parent of focus */ + + if (f == NULL) + f = d->root; + + if (f == NULL) { + d->root = n; + } else { + node_t *c = make_node(); + node_t *p = f->parent; + if ((f->client->private || + (p != NULL && p->privacy_level > 0)) && + f->split_mode == MODE_AUTOMATIC) { + node_t *closest = NULL; + node_t *public = NULL; + closest_public(d, f, &closest, &public); + if (public != NULL) { + f = public; + p = f->parent; + } else { + if (closest != NULL) { + f = closest; + p = f->parent; + } + f->split_mode = MODE_MANUAL; + xcb_rectangle_t rect = f->client->tiled_rectangle; + f->split_dir = (rect.width >= rect.height ? DIR_LEFT : DIR_UP); + if (f->client->private) { + get_opposite(f->split_dir, &f->split_dir); + update_privacy_level(f, false); + } + } + } + if (p != NULL && f->split_mode == MODE_AUTOMATIC && + (p->first_child->vacant || p->second_child->vacant)) { + f = p; + p = f->parent; + } + n->parent = c; + c->birth_rotation = f->birth_rotation; + switch (f->split_mode) { + case MODE_AUTOMATIC: + if (p == NULL) { + if (initial_polarity == FIRST_CHILD) { + c->first_child = n; + c->second_child = f; + } else { + c->first_child = f; + c->second_child = n; + } + if (m->rectangle.width > m->rectangle.height) + c->split_type = TYPE_VERTICAL; + else + c->split_type = TYPE_HORIZONTAL; + f->parent = c; + d->root = c; + } else { + node_t *g = p->parent; + c->parent = g; + if (g != NULL) { + if (is_first_child(p)) + g->first_child = c; + else + g->second_child = c; + } else { + d->root = c; + } + c->split_type = p->split_type; + c->split_ratio = p->split_ratio; + p->parent = c; + int rot; + if (is_first_child(f)) { + c->first_child = n; + c->second_child = p; + rot = 90; + } else { + c->first_child = p; + c->second_child = n; + rot = 270; + } + if (!is_floating(n->client)) + rotate_tree(p, rot); + n->birth_rotation = rot; + } + break; + case MODE_MANUAL: + if (p != NULL) { + if (is_first_child(f)) + p->first_child = c; + else + p->second_child = c; + } + c->split_ratio = f->split_ratio; + c->parent = p; + f->parent = c; + f->birth_rotation = 0; + switch (f->split_dir) { + case DIR_LEFT: + c->split_type = TYPE_VERTICAL; + c->first_child = n; + c->second_child = f; + break; + case DIR_RIGHT: + c->split_type = TYPE_VERTICAL; + c->first_child = f; + c->second_child = n; + break; + case DIR_UP: + c->split_type = TYPE_HORIZONTAL; + c->first_child = n; + c->second_child = f; + break; + case DIR_DOWN: + c->split_type = TYPE_HORIZONTAL; + c->first_child = f; + c->second_child = n; + break; + } + if (d->root == f) + d->root = c; + f->split_mode = MODE_AUTOMATIC; + break; + } + if (f->vacant) + update_vacant_state(f->parent); + if (f->client != NULL && f->client->private) + update_privacy_level(f, true); + } + if (n->client->private) + update_privacy_level(n, true); + if (d->focus == NULL) + d->focus = n; + if (n->client->sticky) + m->num_sticky++; + put_status(SBSC_MASK_REPORT); } -bool is_first_child(node_t *n) +void pseudo_focus(monitor_t *m, desktop_t *d, node_t *n) { - return (n != NULL && n->parent != NULL && n->parent->first_child == n); + if (n != NULL) { + stack(n, STACK_ABOVE); + if (d->focus != n) { + window_draw_border(d->focus, false, m == mon); + window_draw_border(n, true, m == mon); + } + } + d->focus = n; } -bool is_second_child(node_t *n) +void focus_node(monitor_t *m, desktop_t *d, node_t *n) { - return (n != NULL && n->parent != NULL && n->parent->second_child == n); + if (mon->desk != d || n == NULL) + clear_input_focus(); + + if (m->num_sticky > 0 && d != m->desk) { + node_t *a = first_extrema(m->desk->root); + sticky_still = false; + while (a != NULL) { + node_t *b = next_leaf(a, m->desk->root); + if (a->client->sticky) + transfer_node(m, m->desk, a, m, d, d->focus); + a = b; + } + sticky_still = true; + if (n == NULL && d->focus != NULL) + n = d->focus; + } + + if (n != NULL) { + if (d->focus != NULL && n != d->focus && d->focus->client->fullscreen) { + set_fullscreen(d->focus, false); + arrange(m, d); + } + if (n->client->urgent) { + n->client->urgent = false; + put_status(SBSC_MASK_REPORT); + } + } + + if (mon != m) { + for (desktop_t *cd = mon->desk_head; cd != NULL; cd = cd->next) + window_draw_border(cd->focus, true, false); + for (desktop_t *cd = m->desk_head; cd != NULL; cd = cd->next) + if (cd != d) + window_draw_border(cd->focus, true, true); + if (d->focus == n) + window_draw_border(n, true, true); + } + + if (d->focus != n) { + window_draw_border(d->focus, false, true); + window_draw_border(n, true, true); + } + + focus_desktop(m, d); + + d->focus = n; + + if (n == NULL) { + history_add(m, d, NULL); + ewmh_update_active_window(); + return; + } else { + stack(n, STACK_ABOVE); + } + + PRINTF("focus node %X\n", n->client->window); + + history_add(m, d, n); + set_input_focus(n); + + if (pointer_follows_focus) { + center_pointer(get_rectangle(n->client)); + } + + ewmh_update_active_window(); } -void change_split_ratio(node_t *n, value_change_t chg) { - n->split_ratio = pow(n->split_ratio, (chg == CHANGE_INCREASE ? INC_EXP : DEC_EXP)); +void update_current(void) +{ + focus_node(mon, mon->desk, mon->desk->focus); } -node_t *first_extrema(node_t *n) +node_t *make_node(void) { - if (n == NULL) - return NULL; - else if (n->first_child == NULL) - return n; - else - return first_extrema(n->first_child); + node_t *n = malloc(sizeof(node_t)); + n->parent = n->first_child = n->second_child = NULL; + n->split_ratio = split_ratio; + n->split_mode = MODE_AUTOMATIC; + n->split_type = TYPE_VERTICAL; + n->birth_rotation = 0; + n->privacy_level = 0; + n->client = NULL; + n->vacant = false; + return n; } -node_t *second_extrema(node_t *n) +client_t *make_client(xcb_window_t win, unsigned int border_width) { - if (n == NULL) - return NULL; - else if (n->second_child == NULL) - return n; - else - return second_extrema(n->second_child); + client_t *c = malloc(sizeof(client_t)); + c->window = win; + snprintf(c->class_name, sizeof(c->class_name), "%s", MISSING_VALUE); + snprintf(c->instance_name, sizeof(c->instance_name), "%s", MISSING_VALUE); + c->border_width = border_width; + c->pseudo_tiled = c->floating = c->fullscreen = false; + c->locked = c->sticky = c->urgent = c->private = c->icccm_focus = false; + xcb_icccm_get_wm_protocols_reply_t protocols; + if (xcb_icccm_get_wm_protocols_reply(dpy, xcb_icccm_get_wm_protocols(dpy, win, ewmh->WM_PROTOCOLS), &protocols, NULL) == 1) { + if (has_proto(WM_TAKE_FOCUS, &protocols)) + c->icccm_focus = true; + xcb_icccm_get_wm_protocols_reply_wipe(&protocols); + } + c->num_states = 0; + xcb_ewmh_get_atoms_reply_t wm_state; + if (xcb_ewmh_get_wm_state_reply(ewmh, xcb_ewmh_get_wm_state(ewmh, win), &wm_state, NULL) == 1) { + for (unsigned int i = 0; i < wm_state.atoms_len && i < MAX_STATE; i++) + ewmh_wm_state_add(c, wm_state.atoms[i]); + xcb_ewmh_get_atoms_reply_wipe(&wm_state); + } + return c; } -node_t *next_leaf(node_t *n) +bool is_leaf(node_t *n) { - if (n == NULL) - return NULL; - node_t *p = n; - while (is_second_child(p)) - p = p->parent; - if (p->parent == NULL) - return NULL; - return first_extrema(p->parent->second_child); + return (n != NULL && n->first_child == NULL && n->second_child == NULL); } -node_t *prev_leaf(node_t *n) +bool is_tiled(client_t *c) { - if (n == NULL) - return NULL; - node_t *p = n; - while (is_first_child(p)) - p = p->parent; - if (p->parent == NULL) - return NULL; - return second_extrema(p->parent->first_child); + if (c == NULL) + return false; + return (!c->floating && !c->fullscreen); } -node_t *find_fence(node_t *n, direction_t dir) +bool is_floating(client_t *c) { - node_t *p; - - if (n == NULL) - return NULL; - - p = n->parent; - - while (p != NULL) { - if ((dir == DIR_UP && p->split_type == TYPE_HORIZONTAL && p->rectangle.y < n->rectangle.y) - || (dir == DIR_LEFT && p->split_type == TYPE_VERTICAL && p->rectangle.x < n->rectangle.x) - || (dir == DIR_DOWN && p->split_type == TYPE_HORIZONTAL && (p->rectangle.y + p->rectangle.height) > (n->rectangle.y + n->rectangle.height)) - || (dir == DIR_RIGHT && p->split_type == TYPE_VERTICAL && (p->rectangle.x + p->rectangle.width) > (n->rectangle.x + n->rectangle.width))) - return p; - p = p->parent; - } - - return NULL; + if (c == NULL) + return false; + return (c->floating && !c->fullscreen); } -node_t *find_neighbor(node_t *n, direction_t dir) +bool is_first_child(node_t *n) { - node_t *fence = find_fence(n, dir); - - if (fence == NULL) - return NULL; - - if (dir == DIR_UP || dir == DIR_LEFT) - return second_extrema(fence->first_child); - else if (dir == DIR_DOWN || dir == DIR_RIGHT) - return first_extrema(fence->second_child); - - return NULL; + return (n != NULL && n->parent != NULL && n->parent->first_child == n); } -void move_fence(node_t *n, direction_t dir, fence_move_t mov) +bool is_second_child(node_t *n) { - node_t *fence = find_fence(n, dir); - - if (fence == NULL) - return; - - if ((mov == MOVE_PUSH && (dir == DIR_RIGHT || dir == DIR_DOWN)) - || (mov == MOVE_PULL && (dir == DIR_LEFT || dir == DIR_UP))) - change_split_ratio(fence, CHANGE_INCREASE); - else - change_split_ratio(fence, CHANGE_DECREASE); + return (n != NULL && n->parent != NULL && n->parent->second_child == n); } -void rotate_tree(node_t *n, rotate_t rot) +void reset_mode(coordinates_t *loc) { - if (n == NULL || is_leaf(n)) - return; - - node_t *tmp; - - if ((rot == ROTATE_CLOCKWISE && n->split_type == TYPE_HORIZONTAL) - || (rot == ROTATE_COUNTER_CLOCKWISE && n->split_type == TYPE_VERTICAL) - || rot == ROTATE_FULL_CYCLE) { - tmp = n->first_child; - n->first_child = n->second_child; - n->second_child = tmp; - n->split_ratio = 1.0 - n->split_ratio; - } - - if (rot != ROTATE_FULL_CYCLE) { - if (n->split_type == TYPE_HORIZONTAL) - n->split_type = TYPE_VERTICAL; - else if (n->split_type == TYPE_VERTICAL) - n->split_type = TYPE_HORIZONTAL; - } - - rotate_tree(n->first_child, rot); - rotate_tree(n->second_child, rot); + if (loc->node != NULL) { + loc->node->split_mode = MODE_AUTOMATIC; + window_draw_border(loc->node, loc->desktop->focus == loc->node, mon == loc->monitor); + } else if (loc->desktop != NULL) { + for (node_t *a = first_extrema(loc->desktop->root); a != NULL; a = next_leaf(a, loc->desktop->root)) { + a->split_mode = MODE_AUTOMATIC; + window_draw_border(a, loc->desktop->focus == a, mon == loc->monitor); + } + } } -void list(desktop_t *d, node_t *n, char *rsp, unsigned int depth) +node_t *brother_tree(node_t *n) { - if (n == NULL) - return; - - char line[MAXLEN]; - - for (unsigned int i = 0; i < depth; i++) - strncat(rsp, " ", REMLEN(rsp)); - - if (is_leaf(n)) { - client_t *c = n->client; - snprintf(line, sizeof(line), "%c %s %X %X %u %ux%u%+i%+i %c%c%c%c%c", (c->born_as == MODE_AUTOMATIC ? 'a' : 'm'), c->class_name, c->window, c->uid, c->border_width, c->floating_rectangle.width, c->floating_rectangle.height, c->floating_rectangle.x, c->floating_rectangle.y, (c->floating ? 'f' : '-'), (c->transient ? 't' : '-'), (c->fullscreen ? 'F' : '-'), (c->urgent ? 'u' : '-'), (c->locked ? 'l' : '-')); - } else { - snprintf(line, sizeof(line), "%c %.2f", (n->split_type == TYPE_HORIZONTAL ? 'H' : 'V'), n->split_ratio); - } - - strncat(rsp, line, REMLEN(rsp)); - - if (n == d->focus) - strncat(rsp, " *\n", REMLEN(rsp)); - else if (n == d->last_focus) - strncat(rsp, " ·\n", REMLEN(rsp)); - else - strncat(rsp, "\n", REMLEN(rsp)); - - list(d, n->first_child, rsp, depth + 1); - list(d, n->second_child, rsp, depth + 1); -} - -void list_monitors(list_option_t opt, char *rsp) -{ - char line[MAXLEN]; - for (monitor_t *m = mon_head; m != NULL; m = m->next) { - snprintf(line, sizeof(line), "%s %ux%u%+i%+i", m->name, m->rectangle.width, m->rectangle.height, m->rectangle.x, m->rectangle.y); - strncat(rsp, line, REMLEN(rsp)); - if (m == mon) - strncat(rsp, " #\n", REMLEN(rsp)); - else if (m == last_mon) - strncat(rsp, " ·\n", REMLEN(rsp)); - else - strncat(rsp, "\n", REMLEN(rsp)); - if (opt == LIST_OPTION_VERBOSE) - list_desktops(m, opt, 1, rsp); - } + if (n == NULL || n->parent == NULL) + return NULL; + if (is_first_child(n)) + return n->parent->second_child; + else + return n->parent->first_child; } -void list_desktops(monitor_t *m, list_option_t opt, unsigned int depth, char *rsp) -{ - char line[MAXLEN]; - for (desktop_t *d = m->desk_head; d != NULL; d = d->next) { - for (unsigned int i = 0; i < depth; i++) - strncat(rsp, " ", REMLEN(rsp)); - snprintf(line, sizeof(line), "%s %c", d->name, (d->layout == LAYOUT_TILED ? 'T' : 'M')); - strncat(rsp, line, REMLEN(rsp)); - if (d == m->desk) - strncat(rsp, " @\n", REMLEN(rsp)); - else if (d == m->last_desk) - strncat(rsp, " ·\n", REMLEN(rsp)); - else - strncat(rsp, "\n", REMLEN(rsp)); - if (opt == LIST_OPTION_VERBOSE) - list(d, d->root, rsp, depth + 1); - } +void closest_public(desktop_t *d, node_t *n, node_t **closest, node_t **public) +{ + if (n == NULL) + return; + node_t *prev = prev_leaf(n, d->root); + node_t *next = next_leaf(n, d->root); + while (prev != NULL || next != NULL) { +#define TESTLOOP(n) \ + if (n != NULL) { \ + if (is_tiled(n->client)) { \ + if (n->privacy_level == 0) { \ + if (n->parent == NULL || n->parent->privacy_level == 0) { \ + *public = n; \ + return; \ + } else if (*closest == NULL) { \ + *closest = n; \ + } \ + } \ + } \ + n = n##_leaf(n, d->root); \ + } + TESTLOOP(prev) + TESTLOOP(next) +#undef TESTLOOP + } } -void put_status(void) +node_t *first_extrema(node_t *n) { - if (status_fifo == NULL) - return; - bool urgent = false; - for (monitor_t *m = mon_head; m != NULL; m = m->next) { - fprintf(status_fifo, "%c%s:", (mon == m ? 'M' : 'm'), m->name); - for (desktop_t *d = m->desk_head; d != NULL; d = d->next, urgent = false) { - for (node_t *n = first_extrema(d->root); n != NULL && !urgent; n = next_leaf(n)) - urgent |= n->client->urgent; - fprintf(status_fifo, "%c%c%s:", (m->desk == d ? 'D' : (d->root != NULL ? 'd' : '_')), (urgent ? '!' : '_'), d->name); - } - } - fprintf(status_fifo, "L%s:W%X\n", (mon->desk->layout == LAYOUT_TILED ? "tiled" : "monocle"), (mon->desk->focus == NULL ? 0 : mon->desk->focus->client->window)); - fflush(status_fifo); + if (n == NULL) + return NULL; + else if (n->first_child == NULL) + return n; + else + return first_extrema(n->first_child); } -void arrange(monitor_t *m, desktop_t *d) +node_t *second_extrema(node_t *n) { - PRINTF("arrange %s%s%s\n", (num_monitors > 1 ? m->name : ""), (num_monitors > 1 ? " " : ""), d->name); - - xcb_rectangle_t rect = m->rectangle; - int wg = (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : window_gap); - rect.x += m->left_padding + wg; - rect.y += m->top_padding + wg; - rect.width -= m->left_padding + m->right_padding + wg; - rect.height -= m->top_padding + m->bottom_padding + wg; - if (focus_follows_mouse) - get_pointer_position(&pointer_position); - apply_layout(m, d, d->root, rect, rect); + if (n == NULL) + return NULL; + else if (n->second_child == NULL) + return n; + else + return second_extrema(n->second_child); } -void apply_layout(monitor_t *m, desktop_t *d, node_t *n, xcb_rectangle_t rect, xcb_rectangle_t root_rect) +node_t *next_leaf(node_t *n, node_t *r) { - if (n == NULL) - return; - - n->rectangle = rect; - - if (is_leaf(n)) { - if (n->client->fullscreen) - return; - - if (is_floating(n->client) && n->client->border_width != border_width) { - int ds = 2 * (border_width - n->client->border_width); - n->client->floating_rectangle.width += ds; - n->client->floating_rectangle.height += ds; - } - - if (borderless_monocle && is_tiled(n->client) && d->layout == LAYOUT_MONOCLE) - n->client->border_width = 0; - else - n->client->border_width = border_width; - - xcb_rectangle_t r; - if (is_tiled(n->client)) { - if (d->layout == LAYOUT_TILED) - r = rect; - else if (d->layout == LAYOUT_MONOCLE) - r = root_rect; - int wg = (gapless_monocle && d->layout == LAYOUT_MONOCLE ? 0 : window_gap); - int bleed = wg + 2 * n->client->border_width; - r.width = (bleed < r.width ? r.width - bleed : 1); - r.height = (bleed < r.height ? r.height - bleed : 1); - n->client->tiled_rectangle = r; - } else { - r = n->client->floating_rectangle; - } - - window_move_resize(n->client->window, r.x, r.y, r.width, r.height); - window_border_width(n->client->window, n->client->border_width); - window_draw_border(n, n == d->focus, m == mon); - - } else { - xcb_rectangle_t first_rect; - xcb_rectangle_t second_rect; - - if (n->first_child->vacant || n->second_child->vacant) { - first_rect = second_rect = rect; - } else { - unsigned int fence; - if (n->split_type == TYPE_VERTICAL) { - fence = rect.width * n->split_ratio; - first_rect = (xcb_rectangle_t) {rect.x, rect.y, fence, rect.height}; - second_rect = (xcb_rectangle_t) {rect.x + fence, rect.y, rect.width - fence, rect.height}; - - } else if (n->split_type == TYPE_HORIZONTAL) { - fence = rect.height * n->split_ratio; - first_rect = (xcb_rectangle_t) {rect.x, rect.y, rect.width, fence}; - second_rect = (xcb_rectangle_t) {rect.x, rect.y + fence, rect.width, rect.height - fence}; - } - } - - apply_layout(m, d, n->first_child, first_rect, root_rect); - apply_layout(m, d, n->second_child, second_rect, root_rect); - } + if (n == NULL) + return NULL; + node_t *p = n; + while (is_second_child(p) && p != r) + p = p->parent; + if (p == r) + return NULL; + return first_extrema(p->parent->second_child); } -void insert_node(monitor_t *m, desktop_t *d, node_t *n) -{ - if (d == NULL || n == NULL) - return; - - PRINTF("insert node %X\n", n->client->window); - - node_t *focus = d->focus; - - if (focus == NULL) { - d->root = n; - } else { - node_t *dad = make_node(); - node_t *fopar = focus->parent; - n->parent = dad; - n->client->born_as = split_mode; - switch (split_mode) { - case MODE_AUTOMATIC: - if (fopar == NULL) { - dad->first_child = n; - dad->second_child = focus; - if (m->rectangle.width > m->rectangle.height) - dad->split_type = TYPE_VERTICAL; - else - dad->split_type = TYPE_HORIZONTAL; - focus->parent = dad; - d->root = dad; - } else { - node_t *grandpa = fopar->parent; - dad->parent = grandpa; - if (grandpa != NULL) { - if (is_first_child(fopar)) - grandpa->first_child = dad; - else - grandpa->second_child = dad; - } else { - d->root = dad; - } - dad->split_type = fopar->split_type; - dad->split_ratio = fopar->split_ratio; - fopar->parent = dad; - if (is_first_child(focus)) { - dad->first_child = n; - dad->second_child = fopar; - rotate_tree(fopar, ROTATE_CLOCKWISE); - } else { - dad->first_child = fopar; - dad->second_child = n; - rotate_tree(fopar, ROTATE_COUNTER_CLOCKWISE); - } - } - break; - case MODE_MANUAL: - if (fopar != NULL) { - if (is_first_child(focus)) - fopar->first_child = dad; - else - fopar->second_child = dad; - } - dad->split_ratio = focus->split_ratio; - dad->parent = fopar; - focus->parent = dad; - switch (split_dir) { - case DIR_LEFT: - dad->split_type = TYPE_VERTICAL; - dad->first_child = n; - dad->second_child = focus; - break; - case DIR_RIGHT: - dad->split_type = TYPE_VERTICAL; - dad->first_child = focus; - dad->second_child = n; - break; - case DIR_UP: - dad->split_type = TYPE_HORIZONTAL; - dad->first_child = n; - dad->second_child = focus; - break; - case DIR_DOWN: - dad->split_type = TYPE_HORIZONTAL; - dad->first_child = focus; - dad->second_child = n; - break; - } - if (d->root == focus) - d->root = dad; - split_mode = MODE_AUTOMATIC; - break; - } - if (focus->vacant) - update_vacant_state(fopar); - } +node_t *prev_leaf(node_t *n, node_t *r) +{ + if (n == NULL) + return NULL; + node_t *p = n; + while (is_first_child(p) && p != r) + p = p->parent; + if (p == r) + return NULL; + return second_extrema(p->parent->first_child); } -void focus_node(monitor_t *m, desktop_t *d, node_t *n, bool is_mapped) +node_t *next_tiled_leaf(desktop_t *d, node_t *n, node_t *r) { - if (n == NULL) - return; - - PRINTF("focus node %X\n", n->client->window); - - split_mode = MODE_AUTOMATIC; - n->client->urgent = false; - - if (is_mapped) { - if (mon != m) { - for (desktop_t *cd = mon->desk_head; cd != NULL; cd = cd->next) - window_draw_border(cd->focus, true, false); - for (desktop_t *cd = m->desk_head; cd != NULL; cd = cd->next) - if (cd != d) - window_draw_border(cd->focus, true, true); - if (d->focus == n) - window_draw_border(n, true, true); - } - if (d->focus != n) { - window_draw_border(d->focus, false, true); - window_draw_border(n, true, true); - } - if (focus_follows_mouse) - get_pointer_position(&pointer_position); - xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, n->client->window, XCB_CURRENT_TIME); - } - - if (!is_tiled(n->client)) { - if (!adaptative_raise || !might_cover(d, n)) - window_raise(n->client->window); - } else { - window_pseudo_raise(d, n->client->window); - } - - if (d->focus != n) { - d->last_focus = d->focus; - d->focus = n; - } + node_t *next = next_leaf(n, r); + if (next == NULL || is_tiled(next->client)) + return next; + else + return next_tiled_leaf(d, next, r); +} - ewmh_update_active_window(); - put_status(); +node_t *prev_tiled_leaf(desktop_t *d, node_t *n, node_t *r) +{ + node_t *prev = prev_leaf(n, r); + if (prev == NULL || is_tiled(prev->client)) + return prev; + else + return prev_tiled_leaf(d, prev, r); } -void update_current(void) +/* bool is_adjacent(node_t *a, node_t *r) */ +/* { */ +/* node_t *f = r->parent; */ +/* node_t *p = a; */ +/* bool first_child = is_first_child(r); */ +/* while (p != r) { */ +/* if (p->parent->split_type == f->split_type && is_first_child(p) == first_child) */ +/* return false; */ +/* p = p->parent; */ +/* } */ +/* return true; */ +/* } */ + +/* Returns true if *b* is adjacent to *a* in the direction *dir* */ +bool is_adjacent(node_t *a, node_t *b, direction_t dir) { - if (mon->desk->focus == NULL) - ewmh_update_active_window(); - else - focus_node(mon, mon->desk, mon->desk->focus, true); - put_status(); + switch (dir) { + case DIR_RIGHT: + return (a->rectangle.x + a->rectangle.width) == b->rectangle.x; + break; + case DIR_DOWN: + return (a->rectangle.y + a->rectangle.height) == b->rectangle.y; + break; + case DIR_LEFT: + return (b->rectangle.x + b->rectangle.width) == a->rectangle.x; + break; + case DIR_UP: + return (b->rectangle.y + b->rectangle.height) == a->rectangle.y; + break; + } + return false; } -void unlink_node(desktop_t *d, node_t *n) +node_t *find_fence(node_t *n, direction_t dir) { - if (d == NULL || n == NULL) - return; + node_t *p; - PRINTF("unlink node %X\n", n->client->window); + if (n == NULL) + return NULL; - node_t *p = n->parent; + p = n->parent; - if (p == NULL) { - d->root = NULL; - d->focus = NULL; - d->last_focus = NULL; - } else { - node_t *b; - node_t *g = p->parent; - bool n_first_child = is_first_child(n); - if (n_first_child) { - b = p->second_child; - if (n->client->born_as == MODE_AUTOMATIC) - rotate_tree(b, ROTATE_COUNTER_CLOCKWISE); - } else { - b = p->first_child; - if (n->client->born_as == MODE_AUTOMATIC) - rotate_tree(b, ROTATE_CLOCKWISE); - } - b->parent = g; - if (g != NULL) { - if (is_first_child(p)) - g->first_child = b; - else - g->second_child = b; - } else { - d->root = b; - } + while (p != NULL) { + if ((dir == DIR_UP && p->split_type == TYPE_HORIZONTAL && p->rectangle.y < n->rectangle.y) || + (dir == DIR_LEFT && p->split_type == TYPE_VERTICAL && p->rectangle.x < n->rectangle.x) || + (dir == DIR_DOWN && p->split_type == TYPE_HORIZONTAL && (p->rectangle.y + p->rectangle.height) > (n->rectangle.y + n->rectangle.height)) || + (dir == DIR_RIGHT && p->split_type == TYPE_VERTICAL && (p->rectangle.x + p->rectangle.width) > (n->rectangle.x + n->rectangle.width))) + return p; + p = p->parent; + } - n->parent = NULL; - free(p); - - if (n == d->last_focus) { - d->last_focus = NULL; - } else if (n == d->focus) { - if (d->last_focus != NULL) - d->focus = d->last_focus; - else - d->focus = (n_first_child ? first_extrema(b) : second_extrema(b)); - d->last_focus = NULL; - } - - update_vacant_state(b->parent); - } + return NULL; } -void remove_node(desktop_t *d, node_t *n) +node_t *nearest_neighbor(monitor_t *m, desktop_t *d, node_t *n, direction_t dir, client_select_t sel) { - if (d == NULL || n == NULL) - return; - - PRINTF("remove node %X\n", n->client->window); - - unlink_node(d, n); - free(n->client); - free(n); - - num_clients--; - ewmh_update_client_list(); - - if (mon->desk == d) - update_current(); + if (n == NULL || n->client->fullscreen || + (d->layout == LAYOUT_MONOCLE && is_tiled(n->client))) + return NULL; + + node_t *nearest = NULL; + if (history_aware_focus) + nearest = nearest_from_history(m, d, n, dir, sel); + if (nearest == NULL) { + if (focus_by_distance) { + nearest = nearest_from_distance(m, d, n, dir, sel); + } else { + nearest = nearest_from_tree(m, d, n, dir, sel); + } + } + return nearest; } -void swap_nodes(node_t *n1, node_t *n2) +node_t *nearest_from_tree(monitor_t *m, desktop_t *d, node_t *n, direction_t dir, client_select_t sel) { - if (n1 == NULL || n2 == NULL || n1 == n2) - return; + if (n == NULL) + return NULL; - PUTS("swap nodes"); + node_t *fence = find_fence(n, dir); - /* (n1 and n2 are leaves) */ - node_t *pn1 = n1->parent; - node_t *pn2 = n2->parent; - bool n1_first_child = is_first_child(n1); - bool n2_first_child = is_first_child(n2); + if (fence == NULL) + return NULL; - if (pn1 != NULL) { - if (n1_first_child) - pn1->first_child = n2; - else - pn1->second_child = n2; - } + node_t *nearest = NULL; - if (pn2 != NULL) { - if (n2_first_child) - pn2->first_child = n1; - else - pn2->second_child = n1; - } + if (dir == DIR_UP || dir == DIR_LEFT) + nearest = second_extrema(fence->first_child); + else if (dir == DIR_DOWN || dir == DIR_RIGHT) + nearest = first_extrema(fence->second_child); - n1->parent = pn2; - n2->parent = pn1; + coordinates_t ref = {m, d, n}; + coordinates_t loc = {m, d, nearest}; - if (n1->vacant != n2->vacant) { - update_vacant_state(n1->parent); - update_vacant_state(n2->parent); - } + if (node_matches(&loc, &ref, sel)) + return nearest; + else + return NULL; } -void fit_monitor(monitor_t *m, client_t *c) +node_t *nearest_from_history(monitor_t *m, desktop_t *d, node_t *n, direction_t dir, client_select_t sel) { - xcb_rectangle_t crect = c->floating_rectangle; - xcb_rectangle_t mrect = m->rectangle; - while (crect.x < mrect.x) - crect.x += mrect.width; - while (crect.x > (mrect.x + mrect.width - 1)) - crect.x -= mrect.width; - while (crect.y < mrect.y) - crect.y += mrect.height; - while (crect.y > (mrect.y + mrect.height - 1)) - crect.y -= mrect.height; - c->floating_rectangle = crect; + if (n == NULL || !is_tiled(n->client)) + return NULL; + + node_t *target = find_fence(n, dir); + if (target == NULL) + return NULL; + if (dir == DIR_UP || dir == DIR_LEFT) + target = target->first_child; + else if (dir == DIR_DOWN || dir == DIR_RIGHT) + target = target->second_child; + + node_t *nearest = NULL; + int min_rank = INT_MAX; + coordinates_t ref = {m, d, n}; + + for (node_t *a = first_extrema(target); a != NULL; a = next_leaf(a, target)) { + if (a->vacant || !is_adjacent(n, a, dir) || a == n) + continue; + coordinates_t loc = {m, d, a}; + if (!node_matches(&loc, &ref, sel)) + continue; + + int rank = history_rank(d, a); + if (rank >= 0 && rank < min_rank) { + nearest = a; + min_rank = rank; + } + } + + return nearest; } -void transfer_node(monitor_t *ms, desktop_t *ds, monitor_t *md, desktop_t *dd, node_t *n) +node_t *nearest_from_distance(monitor_t *m, desktop_t *d, node_t *n, direction_t dir, client_select_t sel) { - if (n == NULL || ds == NULL || dd == NULL || ms == NULL || md == NULL || (ms == md && dd == ds)) - return; - - PRINTF("transfer node %X\n", n->client->window); + if (n == NULL) + return NULL; + + node_t *target = NULL; + + if (is_tiled(n->client)) { + target = find_fence(n, dir); + if (target == NULL) + return NULL; + if (dir == DIR_UP || dir == DIR_LEFT) + target = target->first_child; + else if (dir == DIR_DOWN || dir == DIR_RIGHT) + target = target->second_child; + } else { + target = d->root; + } + + node_t *nearest = NULL; + direction_t dir2; + xcb_point_t pt; + xcb_point_t pt2; + get_side_handle(n->client, dir, &pt); + get_opposite(dir, &dir2); + double ds = DBL_MAX; + coordinates_t ref = {m, d, n}; + + for (node_t *a = first_extrema(target); a != NULL; a = next_leaf(a, target)) { + coordinates_t loc = {m, d, a}; + if (a == n || + !node_matches(&loc, &ref, sel) || + is_tiled(a->client) != is_tiled(n->client) || + (is_tiled(a->client) && !is_adjacent(n, a, dir))) + continue; + + get_side_handle(a->client, dir2, &pt2); + double ds2 = distance(pt, pt2); + if (ds2 < ds) { + ds = ds2; + nearest = a; + } + } + + return nearest; +} - unlink_node(ds, n); - insert_node(md, dd, n); - ewmh_set_wm_desktop(n, dd); +void get_opposite(direction_t src, direction_t *dst) +{ + switch (src) { + case DIR_RIGHT: + *dst = DIR_LEFT; + break; + case DIR_DOWN: + *dst = DIR_UP; + break; + case DIR_LEFT: + *dst = DIR_RIGHT; + break; + case DIR_UP: + *dst = DIR_DOWN; + break; + } +} - if (ds == ms->desk && dd != md->desk) { - window_hide(n->client->window); - } +int tiled_area(node_t *n) +{ + if (n == NULL) + return -1; + xcb_rectangle_t rect = n->client->tiled_rectangle; + return rect.width * rect.height; +} - fit_monitor(md, n->client); +node_t *find_biggest(monitor_t *m, desktop_t *d, node_t *n, client_select_t sel) +{ + if (d == NULL) + return NULL; + + node_t *r = NULL; + int r_area = tiled_area(r); + coordinates_t ref = {m, d, n}; + + for (node_t *f = first_extrema(d->root); f != NULL; f = next_leaf(f, d->root)) { + coordinates_t loc = {m, d, f}; + if (!is_tiled(f->client) || !node_matches(&loc, &ref, sel)) + continue; + int f_area = tiled_area(f); + if (r == NULL) { + r = f; + r_area = f_area; + } else if (f_area > r_area) { + r = f; + r_area = f_area; + } + } + + return r; +} - if (n->client->fullscreen) - window_move_resize(n->client->window, md->rectangle.x, md->rectangle.y, md->rectangle.width, md->rectangle.height); +void rotate_tree(node_t *n, int deg) +{ + if (n == NULL || is_leaf(n) || deg == 0) + return; + + node_t *tmp; + + if ((deg == 90 && n->split_type == TYPE_HORIZONTAL) || + (deg == 270 && n->split_type == TYPE_VERTICAL) || + deg == 180) { + tmp = n->first_child; + n->first_child = n->second_child; + n->second_child = tmp; + n->split_ratio = 1.0 - n->split_ratio; + } + + if (deg != 180) { + if (n->split_type == TYPE_HORIZONTAL) + n->split_type = TYPE_VERTICAL; + else if (n->split_type == TYPE_VERTICAL) + n->split_type = TYPE_HORIZONTAL; + } + + rotate_tree(n->first_child, deg); + rotate_tree(n->second_child, deg); +} - if (ds != ms->desk && dd == md->desk) { - window_show(n->client->window); - focus_node(md, dd, n, true); - } else { - focus_node(md, dd, n, false); - } +void rotate_brother(node_t *n) +{ + rotate_tree(brother_tree(n), n->birth_rotation); +} - if (ds == ms->desk || dd == md->desk) - update_current(); +void unrotate_tree(node_t *n, int rot) +{ + if (rot == 0) + return; + rotate_tree(n, 360 - rot); } -void select_monitor(monitor_t *m) +void unrotate_brother(node_t *n) { - if (m == NULL || mon == m) - return; + unrotate_tree(brother_tree(n), n->birth_rotation); +} - PRINTF("select monitor %s\n", m->name); +void flip_tree(node_t *n, flip_t flp) +{ + if (n == NULL || is_leaf(n)) + return; - focus_node(m, m->desk, m->desk->focus, true); + node_t *tmp; - last_mon = mon; - mon = m; + if ((flp == FLIP_HORIZONTAL && n->split_type == TYPE_HORIZONTAL) || + (flp == FLIP_VERTICAL && n->split_type == TYPE_VERTICAL)) { + tmp = n->first_child; + n->first_child = n->second_child; + n->second_child = tmp; + n->split_ratio = 1.0 - n->split_ratio; + } - ewmh_update_current_desktop(); - put_status(); + flip_tree(n->first_child, flp); + flip_tree(n->second_child, flp); } -void select_desktop(desktop_t *d) +void equalize_tree(node_t *n) { - if (d == NULL || d == mon->desk) - return; + if (n == NULL || n->vacant) { + return; + } else { + n->split_ratio = split_ratio; + equalize_tree(n->first_child); + equalize_tree(n->second_child); + } +} - PRINTF("select desktop %s\n", d->name); +int balance_tree(node_t *n) +{ + if (n == NULL || n->vacant) { + return 0; + } else if (is_leaf(n)) { + return 1; + } else { + int b1 = balance_tree(n->first_child); + int b2 = balance_tree(n->second_child); + int b = b1 + b2; + if (b1 > 0 && b2 > 0) + n->split_ratio = (double) b1 / b; + return b; + } +} - if (visible) { - node_t *n = first_extrema(d->root); +void unlink_node(monitor_t *m, desktop_t *d, node_t *n) +{ + if (d == NULL || n == NULL) + return; + + PRINTF("unlink node %X\n", n->client->window); + + node_t *p = n->parent; + + if (p == NULL) { + d->root = NULL; + d->focus = NULL; + } else { + if (n->client->private) + update_privacy_level(n, false); + + node_t *b; + node_t *g = p->parent; + + if (is_first_child(n)) { + b = p->second_child; + if (!n->vacant) + unrotate_tree(b, n->birth_rotation); + } else { + b = p->first_child; + if (!n->vacant) + unrotate_tree(b, n->birth_rotation); + } + + b->parent = g; + + if (g != NULL) { + if (is_first_child(p)) + g->first_child = b; + else + g->second_child = b; + } else { + d->root = b; + } + + b->birth_rotation = p->birth_rotation; + n->parent = NULL; + free(p); + update_vacant_state(b->parent); + + if (n == d->focus) { + d->focus = history_get_node(d, n); + // fallback to the first extrema (`n` is not reachable) + if (d->focus == NULL) + d->focus = first_extrema(d->root); + } + } + if (n->client->sticky) + m->num_sticky--; + put_status(SBSC_MASK_REPORT); +} - while (n != NULL) { - window_show(n->client->window); - n = next_leaf(n); - } +void remove_node(monitor_t *m, desktop_t *d, node_t *n) +{ + if (n == NULL) + return; - n = first_extrema(mon->desk->root); + PRINTF("remove node %X\n", n->client->window); - while (n != NULL) { - window_hide(n->client->window); - n = next_leaf(n); - } - } + bool focused = (n == mon->desk->focus); + unlink_node(m, d, n); + history_remove(d, n); + remove_stack_node(n); + free(n->client); + free(n); - mon->last_desk = mon->desk; - mon->desk = d; + num_clients--; + ewmh_update_client_list(); - update_current(); - ewmh_update_current_desktop(); - put_status(); + if (focused) + update_current(); } -void cycle_monitor(cycle_dir_t dir) +void destroy_tree(node_t *n) { - if (dir == CYCLE_NEXT) - select_monitor((mon->next == NULL ? mon_head : mon->next)); - else if (dir == CYCLE_PREV) - select_monitor((mon->prev == NULL ? mon_tail : mon->prev)); + if (n == NULL) + return; + node_t *first_tree = n->first_child; + node_t *second_tree = n->second_child; + if (n->client != NULL) { + free(n->client); + num_clients--; + } + free(n); + destroy_tree(first_tree); + destroy_tree(second_tree); } -void cycle_desktop(monitor_t *m, desktop_t *d, cycle_dir_t dir, skip_desktop_t skip) +bool swap_nodes(monitor_t *m1, desktop_t *d1, node_t *n1, monitor_t *m2, desktop_t *d2, node_t *n2) { - desktop_t *f = (dir == CYCLE_PREV ? d->prev : d->next); - if (f == NULL) - f = (dir == CYCLE_PREV ? m->desk_tail : m->desk_head); - - while (f != d) { - if (skip == DESKTOP_SKIP_NONE - || (skip == DESKTOP_SKIP_FREE && f->root != NULL) - || (skip == DESKTOP_SKIP_OCCUPIED && f->root == NULL)) { - select_desktop(f); - return; - } - f = (dir == CYCLE_PREV ? f->prev : f->next); - if (f == NULL) - f = (dir == CYCLE_PREV ? m->desk_tail : m->desk_head); - } + if (n1 == NULL || n2 == NULL ||n1 == n2 || + (d1 != d2 && (n1->client->sticky || n2->client->sticky))) + return false; + + PRINTF("swap nodes %X %X\n", n1->client->window, n2->client->window); + + node_t *pn1 = n1->parent; + node_t *pn2 = n2->parent; + bool n1_first_child = is_first_child(n1); + bool n2_first_child = is_first_child(n2); + int br1 = n1->birth_rotation; + int br2 = n2->birth_rotation; + int pl1 = n1->privacy_level; + int pl2 = n2->privacy_level; + + if (pn1 != NULL) { + if (n1_first_child) + pn1->first_child = n2; + else + pn1->second_child = n2; + } + + if (pn2 != NULL) { + if (n2_first_child) + pn2->first_child = n1; + else + pn2->second_child = n1; + } + + n1->parent = pn2; + n2->parent = pn1; + n1->birth_rotation = br2; + n2->birth_rotation = br1; + n1->privacy_level = pl2; + n2->privacy_level = pl1; + + if (n1->vacant != n2->vacant) { + update_vacant_state(n1->parent); + update_vacant_state(n2->parent); + } + + if (n1->client->private != n2->client->private) { + n1->client->private = !n1->client->private; + n2->client->private = !n2->client->private; + } + + if (d1 != d2) { + if (d1->root == n1) + d1->root = n2; + if (d1->focus == n1) + d1->focus = n2; + if (d2->root == n2) + d2->root = n1; + if (d2->focus == n2) + d2->focus = n1; + + if (m1 != m2) { + translate_client(m2, m1, n2->client); + translate_client(m1, m2, n1->client); + } + + ewmh_set_wm_desktop(n1, d2); + ewmh_set_wm_desktop(n2, d1); + history_swap_nodes(m1, d1, n1, m2, d2, n2); + + if (m1->desk != d1 && m2->desk == d2) { + window_show(n1->client->window); + window_hide(n2->client->window); + } else if (m1->desk == d1 && m2->desk != d2) { + window_hide(n1->client->window); + window_show(n2->client->window); + } + + update_input_focus(); + } + + return true; } -void cycle_leaf(monitor_t *m, desktop_t *d, node_t *n, cycle_dir_t dir, skip_client_t skip) +bool transfer_node(monitor_t *ms, desktop_t *ds, node_t *ns, monitor_t *md, desktop_t *dd, node_t *nd) { - if (n == NULL) - return; - - PUTS("cycle leaf"); - - node_t *f = (dir == CYCLE_PREV ? prev_leaf(n) : next_leaf(n)); - if (f == NULL) - f = (dir == CYCLE_PREV ? second_extrema(d->root) : first_extrema(d->root)); + if (ns == NULL || ns == nd || (sticky_still && ns->client->sticky)) + return false; + + PRINTF("transfer node %X\n", ns->client->window); + + bool focused = (ns == mon->desk->focus); + bool active = (ns == ds->focus); + + if (focused) + clear_input_focus(); + + unlink_node(ms, ds, ns); + insert_node(md, dd, ns, nd); + + if (md != ms) + translate_client(ms, md, ns->client); + + if (ds != dd) { + ewmh_set_wm_desktop(ns, dd); + if (!ns->client->sticky) { + if (ds == ms->desk && dd != md->desk) + window_hide(ns->client->window); + else if (ds != ms->desk && dd == md->desk) + window_show(ns->client->window); + } + if (ns->client->fullscreen && dd->focus != ns) + set_fullscreen(ns, false); + } + + history_transfer_node(md, dd, ns); + stack(ns, STACK_BELOW); + + if (ds == dd) { + if (focused) + focus_node(md, dd, ns); + else if (active) + pseudo_focus(md, dd, ns); + } else { + if (focused) + update_current(); + else if (ns == mon->desk->focus) + update_input_focus(); + } + + arrange(ms, ds); + if (ds != dd) + arrange(md, dd); + + return true; +} - while (f != n) { - bool tiled = is_tiled(f->client); - if (skip == CLIENT_SKIP_NONE || (skip == CLIENT_SKIP_TILED && !tiled) || (skip == CLIENT_SKIP_FLOATING && tiled) - || (skip == CLIENT_SKIP_CLASS_DIFFER && strcmp(f->client->class_name, n->client->class_name) == 0) - || (skip == CLIENT_SKIP_CLASS_EQUAL && strcmp(f->client->class_name, n->client->class_name) != 0)) { - focus_node(m, d, f, true); - return; - } - f = (dir == CYCLE_PREV ? prev_leaf(f) : next_leaf(f)); - if (f == NULL) - f = (dir == CYCLE_PREV ? second_extrema(d->root) : first_extrema(d->root)); - } +node_t *closest_node(monitor_t *m, desktop_t *d, node_t *n, cycle_dir_t dir, client_select_t sel) +{ + if (n == NULL) + return NULL; + + node_t *f = (dir == CYCLE_PREV ? prev_leaf(n, d->root) : next_leaf(n, d->root)); + if (f == NULL) + f = (dir == CYCLE_PREV ? second_extrema(d->root) : first_extrema(d->root)); + + coordinates_t ref = {m, d, n}; + while (f != n) { + coordinates_t loc = {m, d, f}; + if (node_matches(&loc, &ref, sel)) + return f; + f = (dir == CYCLE_PREV ? prev_leaf(f, d->root) : next_leaf(f, d->root)); + if (f == NULL) + f = (dir == CYCLE_PREV ? second_extrema(d->root) : first_extrema(d->root)); + } + return NULL; } -void nearest_leaf(monitor_t *m, desktop_t *d, node_t *n, nearest_arg_t dir, skip_client_t skip) +void circulate_leaves(monitor_t *m, desktop_t *d, circulate_dir_t dir) { - if (n == NULL) - return; - - PUTS("nearest leaf"); - - node_t *x = NULL; - - for (node_t *f = first_extrema(d->root); f != NULL; f = next_leaf(f)) - if (skip == CLIENT_SKIP_NONE || (skip == CLIENT_SKIP_TILED && !is_tiled(f->client)) || (skip == CLIENT_SKIP_FLOATING && is_tiled(f->client)) - || (skip == CLIENT_SKIP_CLASS_DIFFER && strcmp(f->client->class_name, n->client->class_name) == 0) - || (skip == CLIENT_SKIP_CLASS_EQUAL && strcmp(f->client->class_name, n->client->class_name) != 0)) - if ((dir == NEAREST_OLDER - && (f->client->uid < n->client->uid) - && (x == NULL || f->client->uid > x->client->uid)) - || (dir == NEAREST_NEWER - && (f->client->uid > n->client->uid) - && (x == NULL || f->client->uid < x->client->uid))) - x = f; - - focus_node(m, d, x, true); -} - -void circulate_leaves(monitor_t *m, desktop_t *d, circulate_dir_t dir) { - if (d == NULL || d->root == NULL || is_leaf(d->root)) - return; - node_t *par = d->focus->parent; - bool focus_first_child = is_first_child(d->focus); - if (dir == CIRCULATE_FORWARD) - for (node_t *s = second_extrema(d->root), *f = prev_leaf(s); f != NULL; s = prev_leaf(f), f = prev_leaf(s)) - swap_nodes(f, s); - else - for (node_t *f = first_extrema(d->root), *s = next_leaf(f); s != NULL; f = next_leaf(s), s = next_leaf(f)) - swap_nodes(f, s); - if (focus_first_child) - focus_node(m, d, par->first_child, true); - else - focus_node(m, d, par->second_child, true); + if (d == NULL || d->root == NULL || d->focus == NULL || is_leaf(d->root)) + return; + node_t *p = d->focus->parent; + bool focus_first_child = is_first_child(d->focus); + if (dir == CIRCULATE_FORWARD) + for (node_t *s = second_extrema(d->root), *f = prev_tiled_leaf(d, s, d->root); f != NULL; s = prev_tiled_leaf(d, f, d->root), f = prev_tiled_leaf(d, s, d->root)) + swap_nodes(m, d, f, m, d, s); + else + for (node_t *f = first_extrema(d->root), *s = next_tiled_leaf(d, f, d->root); s != NULL; f = next_tiled_leaf(d, s, d->root), s = next_tiled_leaf(d, f, d->root)) + swap_nodes(m, d, f, m, d, s); + if (focus_first_child) + focus_node(m, d, p->first_child); + else + focus_node(m, d, p->second_child); } void update_vacant_state(node_t *n) { - if (n == NULL) - return; - - PUTS("update vacant state"); + if (n == NULL) + return; - /* n is not a leaf */ - node_t *p = n; + PUTS("update vacant state"); - while (p != NULL) { - p->vacant = (p->first_child->vacant && p->second_child->vacant); - p = p->parent; - } -} + /* n is not a leaf */ + node_t *p = n; -monitor_t *find_monitor(char *name) -{ - for (monitor_t *m = mon_head; m != NULL; m = m->next) - if (strcmp(m->name, name) == 0) - return m; - return NULL; + while (p != NULL) { + p->vacant = (p->first_child->vacant && p->second_child->vacant); + p = p->parent; + } } -void add_desktop(monitor_t *m, char *name) +void update_privacy_level(node_t *n, bool value) { - desktop_t *d = make_desktop(name); - if (m->desk == NULL) { - m->desk = d; - m->desk_head = d; - m->desk_tail = d; - } else { - m->desk_tail->next = d; - d->prev = m->desk_tail; - m->desk_tail = d; - } - num_desktops++; - ewmh_update_number_of_desktops(); - ewmh_update_desktop_names(); - put_status(); -} - -void add_monitor(xcb_rectangle_t *rect) -{ - monitor_t *m = make_monitor(rect); - if (mon == NULL) { - mon = m; - mon_head = m; - mon_tail = m; - } else { - mon_tail->next = m; - m->prev = mon_tail; - mon_tail = m; - } - num_monitors++; + int v = (value ? 1 : -1); + for (node_t *p = n; p != NULL; p = p->parent) + p->privacy_level += v; }