X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=tree.c;h=3a51c16abc35e3ae0339725371b6a13e62c12b67;hb=45cb3efd44cecdce50bb8e21bd33393d60107b40;hp=f88e3aedbc3ccca1f2404cc8844a399418c06526;hpb=5df99a71edd7fc9b9ad4e427a8d5a3f2d24aaddf;p=bspwm.git diff --git a/tree.c b/tree.c index f88e3ae..3a51c16 100644 --- a/tree.c +++ b/tree.c @@ -1,12 +1,12 @@ #include #include #include +#include #include #include #include #include "settings.h" #include "helpers.h" -#include "misc.h" #include "window.h" #include "types.h" #include "bspwm.h" @@ -133,7 +133,7 @@ void move_fence(node_t *n, direction_t dir, fence_move_t mov) 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 @@ -167,93 +167,57 @@ void rotate_tree(node_t *n, rotate_t rot) rotate_tree(n->second_child, rot); } -void magnetise_tree(node_t *n, corner_t corner) +void flip_tree(node_t *n, flip_t flp) { - if (n == NULL || is_leaf(n)) + if (n == NULL || is_leaf(n)) return; - PUTS("magnetise tree"); + node_t *tmp; - switch (n->split_type) { - case TYPE_HORIZONTAL: - if (corner == TOP_LEFT || corner == TOP_RIGHT) - change_split_ratio(n, CHANGE_DECREASE); - else - change_split_ratio(n, CHANGE_INCREASE); - break; - case TYPE_VERTICAL: - if (corner == TOP_LEFT || corner == BOTTOM_LEFT) - change_split_ratio(n, CHANGE_DECREASE); - else - change_split_ratio(n, CHANGE_INCREASE); - break; - default: - break; + 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; } - magnetise_tree(n->first_child, corner); - magnetise_tree(n->second_child, corner); -} - -void dump_tree(desktop_t *d, 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, "%s %X %s%s%s%s%s", n->client->class_name, n->client->window, (n->client->floating ? "f" : "-"), (n->client->transient ? "t" : "-"), (n->client->fullscreen ? "F" : "-"), (n->client->urgent ? "u" : "-"), (n->client->locked ? "l" : "-")); - else - sprintf(line, "%s %.2f", (n->split_type == TYPE_HORIZONTAL ? "H" : "V"), n->split_ratio); - - strcat(rsp, line); - - if (n == d->focus) - strcat(rsp, " *\n"); - else - strcat(rsp, "\n"); - - dump_tree(d, n->first_child, rsp, depth + 1); - dump_tree(d, n->second_child, rsp, depth + 1); -} - -void refresh_current(void) { - if (desk->focus == NULL) - ewmh_update_active_window(); - else - focus_node(desk, desk->focus, true); + flip_tree(n->first_child, flp); + flip_tree(n->second_child, flp); } -void list_desktops(char *rsp) +int balance_tree(node_t *n) { - 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, d->root, rsp, 1); - d = d->next; + 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; } } -void update_root_dimensions(void) +void arrange(monitor_t *m, desktop_t *d) { - 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); + 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; + apply_layout(m, d, d->root, rect, rect); } -void apply_layout(desktop_t *d, node_t *n, xcb_rectangle_t rect) +void apply_layout(monitor_t *m, desktop_t *d, node_t *n, xcb_rectangle_t rect, xcb_rectangle_t root_rect) { - if (d == NULL || n == NULL) + if (n == NULL) return; n->rectangle = rect; @@ -261,13 +225,26 @@ void apply_layout(desktop_t *d, node_t *n, xcb_rectangle_t 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 bleed = window_gap + 2 * border_width; + 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; @@ -276,11 +253,8 @@ void apply_layout(desktop_t *d, node_t *n, xcb_rectangle_t rect) } window_move_resize(n->client->window, r.x, r.y, r.width, r.height); - window_border_width(n->client->window, border_width); - window_draw_border(n, n == d->focus); - - if (d->layout == LAYOUT_MONOCLE && n == d->focus) - window_raise(n->client->window); + 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; @@ -302,12 +276,12 @@ void apply_layout(desktop_t *d, node_t *n, xcb_rectangle_t 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; @@ -322,13 +296,13 @@ void insert_node(desktop_t *d, node_t *n) node_t *dad = make_node(); node_t *fopar = focus->parent; n->parent = dad; - n->born_as = split_mode; + n->client->born_as = split_mode; switch (split_mode) { case MODE_AUTOMATIC: if (fopar == NULL) { dad->first_child = n; dad->second_child = focus; - if (focus->rectangle.width > focus->rectangle.height) + if (m->rectangle.width > m->rectangle.height) dad->split_type = TYPE_VERTICAL; else dad->split_type = TYPE_HORIZONTAL; @@ -396,10 +370,12 @@ void insert_node(desktop_t *d, node_t *n) split_mode = MODE_AUTOMATIC; break; } + if (focus->vacant) + update_vacant_state(fopar); } } -void focus_node(desktop_t *d, node_t *n, bool is_mapped) +void focus_node(monitor_t *m, desktop_t *d, node_t *n, bool is_mapped) { if (n == NULL) return; @@ -410,17 +386,37 @@ void focus_node(desktop_t *d, node_t *n, bool is_mapped) 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); - window_draw_border(n, true); + 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 (!is_tiled(n->client) || d->layout == LAYOUT_MONOCLE) - window_raise(n->client->window); - else if (is_tiled(n->client)) - window_lower(n->client->window); + if (focus_follows_pointer) { + xcb_window_t win = XCB_NONE; + query_pointer(&win, NULL); + if (win != n->client->window) + enable_motion_recorder(); + else + disable_motion_recorder(); + } + + 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; @@ -428,14 +424,16 @@ void focus_node(desktop_t *d, node_t *n, bool is_mapped) } ewmh_update_active_window(); + put_status(); } void update_current(void) { - if (desk->focus == NULL) + if (mon->desk->focus == NULL) ewmh_update_active_window(); else - focus_node(desk, desk->focus, true); + focus_node(mon, mon->desk, mon->desk->focus, true); + put_status(); } void unlink_node(desktop_t *d, node_t *n) @@ -457,11 +455,11 @@ void unlink_node(desktop_t *d, node_t *n) bool n_first_child = is_first_child(n); if (n_first_child) { b = p->second_child; - if (n->born_as == MODE_AUTOMATIC) + if (n->client->born_as == MODE_AUTOMATIC) rotate_tree(b, ROTATE_COUNTER_CLOCKWISE); } else { b = p->first_child; - if (n->born_as == MODE_AUTOMATIC) + if (n->client->born_as == MODE_AUTOMATIC) rotate_tree(b, ROTATE_CLOCKWISE); } b->parent = g; @@ -486,6 +484,8 @@ void unlink_node(desktop_t *d, node_t *n) d->focus = (n_first_child ? first_extrema(b) : second_extrema(b)); d->last_focus = NULL; } + + update_vacant_state(b->parent); } } @@ -503,11 +503,24 @@ void remove_node(desktop_t *d, node_t *n) num_clients--; ewmh_update_client_list(); - if (desk == d) + if (mon->desk == d) update_current(); } -void swap_nodes(node_t *n1, node_t *n2) +void destroy_tree(node_t *n) +{ + 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(desktop_t *d1, node_t *n1, desktop_t *d2, node_t *n2) { if (n1 == NULL || n2 == NULL || n1 == n2) return; @@ -536,71 +549,134 @@ void swap_nodes(node_t *n1, node_t *n2) n1->parent = pn2; n2->parent = pn1; + + if (n1->vacant != n2->vacant) { + update_vacant_state(n1->parent); + update_vacant_state(n2->parent); + } + + if (d1 != d2) { + if (d1->root == n1) + d1->root = n2; + if (d1->focus == n1) + d1->focus = n2; + if (d1->last_focus == n1) + d1->last_focus = n2; + if (d2->root == n2) + d2->root = n1; + if (d2->focus == n2) + d2->focus = n1; + if (d2->last_focus == n2) + d2->last_focus = n1; + } } -void transfer_node(desktop_t *ds, desktop_t *dd, node_t *n) +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 || dd == ds) + 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(md, dd, n); + ewmh_set_wm_desktop(n, dd); - if (ds == desk) { + if (ds == ms->desk && dd != md->desk) { window_hide(n->client->window); } - insert_node(dd, n); + fit_monitor(md, n->client); - if (dd == desk) { + 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(dd, n, true); + focus_node(md, dd, n, true); } else { - focus_node(dd, n, false); + focus_node(md, dd, n, false); } - if (ds == desk || dd == desk) + 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; 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) { - window_show(n->client->window); - n = next_leaf(n); - } + while (n != NULL) { + window_show(n->client->window); + n = next_leaf(n); + } - n = first_extrema(desk->root); + n = first_extrema(mon->desk->root); - while (n != NULL) { - window_hide(n->client->window); - n = next_leaf(n); + while (n != NULL) { + window_hide(n->client->window); + n = next_leaf(n); + } } - last_desk = desk; - desk = d; + mon->last_desk = mon->desk; + mon->desk = d; update_current(); ewmh_update_current_desktop(); + put_status(); } -void cycle_desktop(cycle_dir_t dir) +void cycle_monitor(cycle_dir_t dir) { if (dir == CYCLE_NEXT) - select_desktop((desk->next == NULL ? desk_head : desk->next)); + select_monitor((mon->next == NULL ? mon_head : mon->next)); else if (dir == CYCLE_PREV) - select_desktop((desk->prev == NULL ? desk_tail : desk->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; @@ -613,10 +689,10 @@ void cycle_leaf(desktop_t *d, node_t *n, cycle_dir_t dir, skip_client_t skip) while (f != n) { bool tiled = is_tiled(f->client); - if (skip == SKIP_NONE || (skip == SKIP_TILED && !tiled) || (skip == SKIP_FLOATING && tiled) - || (skip == SKIP_CLASS_DIFFER && strcmp(f->client->class_name, n->client->class_name) == 0) - || (skip == SKIP_CLASS_EQUAL && strcmp(f->client->class_name, n->client->class_name) != 0)) { - focus_node(d, f, true); + 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)); @@ -625,6 +701,47 @@ void cycle_leaf(desktop_t *d, node_t *n, cycle_dir_t dir, skip_client_t skip) } } +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(d, f, d, 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(d, f, d, 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) @@ -641,24 +758,236 @@ void update_vacant_state(node_t *n) } } -desktop_t *find_desktop(char *name) +void fit_monitor(monitor_t *m, client_t *c) +{ + 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) { - desktop_t *d = desk_head; - while (d != NULL) { - if (strcmp(d->name, name) == 0) - return d; - d = d->next; + 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); + } } - return NULL; + 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 add_desktop(char *name) +void restore(char *file_path) { - desktop_t *d = make_desktop(name); - desk_tail->next = d; - d->prev = desk_tail; - desk_tail = d; - num_desktops++; - ewmh_update_number_of_desktops(); - ewmh_update_desktop_names(); + 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); }