#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <ctype.h>
#include <math.h>
#include <xcb/xcb.h>
#include <xcb/xcb_event.h>
#include "settings.h"
#include "helpers.h"
-#include "utils.h"
+#include "window.h"
#include "types.h"
#include "bspwm.h"
+#include "ewmh.h"
#include "tree.h"
bool is_leaf(node_t *n)
return (n != NULL && n->first_child == NULL && n->second_child == NULL);
}
+bool is_tiled(client_t *c)
+{
+ if (c == NULL)
+ return false;
+ return (!c->floating && !c->transient && !c->fullscreen);
+}
+
+bool is_floating(client_t *c)
+{
+ if (c == NULL)
+ return false;
+ return (c->floating && !c->fullscreen);
+}
+
bool is_first_child(node_t *n)
{
return (n != NULL && n->parent != NULL && n->parent->first_child == n);
return (n != NULL && n->parent != NULL && n->parent->second_child == n);
}
-
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));
}
if (fence == NULL)
return;
- if ((mov == MOVE_PUSH && (dir == DIR_RIGHT || dir == DIR_DOWN))
+ 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);
}
+unsigned int distance_to_fence(xcb_point_t pt, node_t *fence)
+{
+ xcb_rectangle_t rect = fence->rectangle;
+ if (fence->split_type == TYPE_VERTICAL) {
+ int fx = rect.x + fence->split_ratio * rect.width - window_gap / 2;
+ return ABS(pt.x - fx);
+ } else {
+ int fy = rect.y + fence->split_ratio * rect.height - window_gap / 2;
+ return ABS(pt.y - fy);
+ }
+}
+
+fence_distance_t nearest_fence(xcb_point_t pt, node_t *tree)
+{
+ fence_distance_t fd;
+ if (tree == NULL || is_leaf(tree)) {
+ fd.fence = NULL;
+ } else {
+ fd.fence = tree;
+ fd.distance = distance_to_fence(pt, tree);
+ fence_distance_t first_fd = nearest_fence(pt, tree->first_child);
+ fence_distance_t second_fd = nearest_fence(pt, tree->second_child);
+ if (first_fd.fence != NULL && fd.distance > first_fd.distance) {
+ fd.fence = first_fd.fence;
+ fd.distance = first_fd.distance;
+ }
+ if (second_fd.fence != NULL && fd.distance > second_fd.distance) {
+ fd.fence = second_fd.fence;
+ fd.distance = second_fd.distance;
+ }
+ }
+ return fd;
+}
void rotate_tree(node_t *n, rotate_t rot)
{
rotate_tree(n->second_child, rot);
}
-void dump_tree(node_t *n, char *rsp, int depth)
-{
- if (n == NULL)
- return;
-
- char line[MAXLEN];
-
- for (int i = 0; i < depth; i++)
- strcat(rsp, " ");
- if (is_leaf(n))
- sprintf(line, "0x%X [%i %i %u %u]", n->client->window, n->rectangle.x, n->rectangle.y, n->rectangle.width, n->rectangle.height);
- else
- sprintf(line, "%s %.2f [%i %i %u %u]", (n->split_type == TYPE_HORIZONTAL ? "H" : "V"), n->split_ratio, n->rectangle.x, n->rectangle.y, n->rectangle.width, n->rectangle.height);
-
- strcat(rsp, line);
-
- if (n == desk->focus)
- strcat(rsp, " *\n");
- else
- strcat(rsp, "\n");
-
- dump_tree(n->first_child, rsp, depth + 1);
- dump_tree(n->second_child, rsp, depth + 1);
-}
-
-void list_desktops(char *rsp)
+void arrange(monitor_t *m, desktop_t *d)
{
- desktop_t *d = desk_head;
-
- while (d != NULL) {
- strcat(rsp, d->name);
- if (desk == d)
- strcat(rsp, " *\n");
- else
- strcat(rsp, "\n");
- dump_tree(d->root, rsp, 1);
- d = d->next;
- }
+ 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_pointer)
+ save_pointer_position(&last_pointer_position);
+ apply_layout(m, d, d->root, rect, rect);
}
-void update_root_dimensions(void)
+void apply_layout(monitor_t *m, desktop_t *d, node_t *n, xcb_rectangle_t rect, xcb_rectangle_t root_rect)
{
- root_rect.x = left_padding + window_gap;
- root_rect.y = top_padding + window_gap;
- root_rect.width = screen_width - (left_padding + right_padding + window_gap);
- root_rect.height = screen_height - (top_padding + bottom_padding + window_gap);
-}
-
-void apply_layout(desktop_t *d, node_t *n, xcb_rectangle_t rect)
-{
- if (d == NULL || n == NULL)
+ 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)) {
- xcb_rectangle_t r;
if (d->layout == LAYOUT_TILED)
r = rect;
else if (d->layout == LAYOUT_MONOCLE)
r = root_rect;
- r.x += border_width;
- r.y += border_width;
- r.width -= (window_gap + 2 * border_width);
- r.height -= (window_gap + 2 * border_width);
- /* window_move_resize(n->client->window, r.x, r.y, r.width, r.height); */
+ 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;
}
}
- apply_layout(d, n->first_child, first_rect);
- apply_layout(d, n->second_child, second_rect);
+ apply_layout(m, d, n->first_child, first_rect, root_rect);
+ apply_layout(m, d, n->second_child, second_rect, root_rect);
}
}
-void insert_node(desktop_t *d, node_t *n)
+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) {
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;
- dad->split_type = TYPE_VERTICAL;
+ 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 {
split_mode = MODE_AUTOMATIC;
break;
}
+ if (focus->vacant)
+ update_vacant_state(fopar);
}
-
- d->focus = n;
}
-void focus_node(desktop_t *d, node_t *n)
+void focus_node(monitor_t *m, desktop_t *d, node_t *n, bool is_mapped)
{
- if (d == NULL || n == NULL || desk->focus == n)
+ if (n == NULL)
return;
- /* select_desktop(d); */
+ PRINTF("focus node %X\n", n->client->window);
- /* if (d->focus != n) { */
- /* draw_triple_border(d->focus, normal_border_color_pxl); */
- /* draw_triple_border(n, active_border_color_pxl); */
- /* } */
+ split_mode = MODE_AUTOMATIC;
+ n->client->urgent = false;
- /* xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, n->client->window, XCB_CURRENT_TIME); */
+ 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);
+ }
+ xcb_set_input_focus(dpy, XCB_INPUT_FOCUS_POINTER_ROOT, n->client->window, XCB_CURRENT_TIME);
+ }
+
+ if (focus_follows_pointer) {
+ save_pointer_position(&last_pointer_position);
+ if (n != mon->desk->focus) {
+ if (last_focused_window != XCB_NONE) {
+ uint32_t values[] = {CLIENT_EVENT_MASK_FFP};
+ xcb_change_window_attributes(dpy, last_focused_window, XCB_CW_EVENT_MASK, values);
+ }
+ uint32_t values[] = {CLIENT_EVENT_MASK};
+ xcb_change_window_attributes(dpy, n->client->window, XCB_CW_EVENT_MASK, values);
+ last_focused_window = n->client->window;
+ }
+ }
- d->last_focus = d->focus;
- d->focus = n;
+ 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;
+ }
+
+ ewmh_update_active_window();
+ put_status();
+}
+
+void update_current(void)
+{
+ if (mon->desk->focus == NULL)
+ ewmh_update_active_window();
+ else
+ focus_node(mon, mon->desk, mon->desk->focus, true);
+ put_status();
}
void unlink_node(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) {
} else {
node_t *b;
node_t *g = p->parent;
- if (is_first_child(n))
+ bool n_first_child = is_first_child(n);
+ if (n_first_child) {
b = p->second_child;
- else
+ 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))
} else {
d->root = b;
}
+
+ n->parent = NULL;
free(p);
- if (d->last_focus != NULL)
- d->focus = d->last_focus;
- else
- d->focus = (is_first_child(b) ? second_extrema(b) : first_extrema(b));
- d->last_focus = NULL;
- }
+ 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);
+ }
}
void remove_node(desktop_t *d, node_t *n)
{
+ 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();
}
-void transfer_node(desktop_t *ds, desktop_t *dd, node_t *n)
+void destroy_tree(node_t *n)
{
- if (n == NULL || ds == NULL || dd == NULL || dd == ds)
+ 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);
+ free(n);
+ destroy_tree(first_tree);
+ destroy_tree(second_tree);
+}
+
+void swap_nodes(node_t *n1, node_t *n2)
+{
+ if (n1 == NULL || n2 == NULL || n1 == n2)
+ return;
+
+ PUTS("swap nodes");
+
+ /* (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 (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;
+
+ if (n1->vacant != n2->vacant) {
+ update_vacant_state(n1->parent);
+ update_vacant_state(n2->parent);
+ }
+}
+
+void transfer_node(monitor_t *ms, desktop_t *ds, monitor_t *md, desktop_t *dd, node_t *n)
+{
+ if (n == NULL || ds == NULL || dd == NULL || ms == NULL || md == NULL || (ms == md && dd == ds))
+ return;
+
+ PRINTF("transfer node %X\n", n->client->window);
+
unlink_node(ds, n);
- insert_node(dd, n);
+ insert_node(md, dd, n);
+ ewmh_set_wm_desktop(n, dd);
+
+ if (ds == ms->desk && dd != md->desk) {
+ window_hide(n->client->window);
+ }
+
+ fit_monitor(md, n->client);
+
+ if (n->client->fullscreen)
+ window_move_resize(n->client->window, md->rectangle.x, md->rectangle.y, md->rectangle.width, md->rectangle.height);
+
+ 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);
+ }
+
+ if (ds == ms->desk || dd == md->desk)
+ update_current();
+}
+
+void select_monitor(monitor_t *m)
+{
+ if (m == NULL || mon == m)
+ return;
+
+ PRINTF("select monitor %s\n", m->name);
+
+ focus_node(m, m->desk, m->desk->focus, true);
+
+ last_mon = mon;
+ mon = m;
+
+ ewmh_update_current_desktop();
+ put_status();
}
void select_desktop(desktop_t *d)
{
- if (d == NULL || d == desk)
+ if (d == NULL || d == mon->desk)
return;
- if (d->focus != NULL)
- xcb_map_window(dpy, d->focus->client->window);
+ PRINTF("select desktop %s\n", d->name);
- node_t *n = first_extrema(d->root);
+ if (visible) {
+ node_t *n = first_extrema(d->root);
- while (n != NULL) {
- if (n != d->focus)
- xcb_map_window(dpy, n->client->window);
- n = next_leaf(n);
- }
+ while (n != NULL) {
+ window_show(n->client->window);
+ n = next_leaf(n);
+ }
+
+ n = first_extrema(mon->desk->root);
- n = first_extrema(desk->root);
- while (n != NULL) {
- if (n != desk->focus)
- xcb_unmap_window(dpy, n->client->window);
- n = next_leaf(n);
+ while (n != NULL) {
+ window_hide(n->client->window);
+ n = next_leaf(n);
+ }
}
- if (desk->focus != NULL)
- xcb_unmap_window(dpy, desk->focus->client->window);
+ mon->last_desk = mon->desk;
+ mon->desk = d;
+
+ update_current();
+ ewmh_update_current_desktop();
+ put_status();
+}
- last_desk = desk;
- desk = d;
+void cycle_monitor(cycle_dir_t dir)
+{
+ 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));
}
-void cycle_leaf(desktop_t *d, node_t *n, cycle_dir_t dir, skip_client_t skip)
+void cycle_desktop(monitor_t *m, desktop_t *d, cycle_dir_t dir, skip_desktop_t skip)
+{
+ 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);
+ }
+}
+
+void cycle_leaf(monitor_t *m, desktop_t *d, node_t *n, cycle_dir_t dir, skip_client_t skip)
{
if (n == NULL)
return;
- node_t *f = (dir == DIR_PREV ? prev_leaf(n) : next_leaf(n));
+ 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));
- while (f != NULL) {
+ while (f != n) {
bool tiled = is_tiled(f->client);
- if (skip == SKIP_NONE || (skip == SKIP_TILED && !tiled) || (skip == SKIP_FLOATING && tiled))
- focus_node(d, f);
- f = (dir == DIR_PREV ? prev_leaf(f) : next_leaf(f));
+ 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));
}
}
+void nearest_leaf(monitor_t *m, desktop_t *d, node_t *n, nearest_arg_t dir, skip_client_t skip)
+{
+ 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);
+}
+
void update_vacant_state(node_t *n)
{
if (n == NULL)
return;
- if (!is_leaf(n))
- n->vacant = (n->first_child->vacant && n->second_child->vacant);
- update_vacant_state(n->parent);
+
+ PUTS("update vacant state");
+
+ /* n is not a leaf */
+ node_t *p = n;
+
+ while (p != NULL) {
+ p->vacant = (p->first_child->vacant && p->second_child->vacant);
+ p = p->parent;
+ }
}
-bool is_tiled(client_t *c)
+void fit_monitor(monitor_t *m, client_t *c)
{
- if (c == NULL)
- return false;
- return (!c->floating && !c->transient && !c->fullscreen);
+ 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;
+}
+
+void put_status(void)
+{
+ 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);
+}
+
+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);
+ }
+}
+
+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 list(desktop_t *d, node_t *n, char *rsp, unsigned int depth)
+{
+ 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 %u %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 restore(char *file_path)
+{
+ if (file_path == NULL)
+ return;
+
+ FILE *snapshot = fopen(file_path, "r");
+ if (snapshot == NULL) {
+ warn("restore: can't open file\n");
+ return;
+ }
+
+ char line[MAXLEN];
+ monitor_t *m = NULL;
+ desktop_t *d = NULL;
+ node_t *n = NULL;
+ num_clients = 0;
+ unsigned int level, last_level = 0, max_uid = 0;
+ bool aborted = false;
+
+ while (!aborted && fgets(line, sizeof(line), snapshot) != NULL) {
+ unsigned int len = strlen(line);
+ level = 0;
+ while (level < strlen(line) && isspace(line[level]))
+ level++;
+ if (level == 0) {
+ if (m == NULL)
+ m = mon_head;
+ else
+ m = m->next;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '#':
+ mon = m;
+ break;
+ case '~':
+ last_mon = m;
+ break;
+ }
+ } else if (level == 2) {
+ if (d == NULL)
+ d = m->desk_head;
+ else
+ d = d->next;
+ int i = len - 1;
+ while (i > 0 && !isupper(line[i]))
+ i--;
+ if (line[i] == 'M')
+ d->layout = LAYOUT_MONOCLE;
+ else if (line[i] == 'T')
+ d->layout = LAYOUT_TILED;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '@':
+ m->desk = d;
+ break;
+ case '~':
+ m->last_desk = d;
+ break;
+ }
+ } else {
+ node_t *birth = make_node();
+ if (level == 4) {
+ empty_desktop(d);
+ d->root = birth;
+ } else {
+ if (level > last_level) {
+ n->first_child = birth;
+ } else {
+ do {
+ n = n->parent;
+ } while (n != NULL && n->second_child != NULL);
+ if (n == NULL) {
+ warn("restore: file is malformed\n");
+ aborted = true;
+ }
+ n->second_child = birth;
+ }
+ birth->parent = n;
+ }
+ n = birth;
+
+ if (isupper(line[level])) {
+ char st;
+ sscanf(line + level, "%c %lf", &st, &n->split_ratio);
+ if (st == 'H')
+ n->split_type = TYPE_HORIZONTAL;
+ else if (st == 'V')
+ n->split_type = TYPE_VERTICAL;
+ } else {
+ client_t *c = make_client(XCB_NONE);
+ num_clients++;
+ char ba, floating, transient, fullscreen, urgent, locked;
+ sscanf(line + level, "%c %s %X %u %u %hux%hu%hi%hi %c%c%c%c%c", &ba, 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, &floating, &transient, &fullscreen, &urgent, &locked);
+ if (ba == 'a')
+ c->born_as = MODE_AUTOMATIC;
+ else if (ba == 'm')
+ c->born_as = MODE_MANUAL;
+ c->floating = (floating == '-' ? false : true);
+ c->transient = (transient == '-' ? false : true);
+ c->fullscreen = (fullscreen == '-' ? false : true);
+ c->urgent = (urgent == '-' ? false : true);
+ c->locked = (locked == '-' ? false : true);
+ if (c->uid > max_uid)
+ max_uid = c->uid;
+ n->client = c;
+ if (len >= 2)
+ switch (line[len - 2]) {
+ case '*':
+ d->focus = n;
+ break;
+ case '~':
+ d->last_focus = n;
+ break;
+ }
+ }
+ }
+ last_level = level;
+ }
+
+ if (!aborted) {
+ client_uid = max_uid + 1;
+ for (monitor_t *m = mon_head; m != NULL; m = m->next)
+ for (desktop_t *d = m->desk_head; d != NULL; d = d->next)
+ for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n)) {
+ uint32_t values[] = {(focus_follows_pointer ? CLIENT_EVENT_MASK_FFP : CLIENT_EVENT_MASK)};
+ xcb_change_window_attributes(dpy, n->client->window, XCB_CW_EVENT_MASK, values);
+ if (n->client->floating) {
+ n->vacant = true;
+ update_vacant_state(n->parent);
+ }
+ }
+ }
+
+ fclose(snapshot);
}