messages.c

   1 /* Copyright (c) 2012, Bastien Dejean
   2  * All rights reserved.
   3  *
   4  * Redistribution and use in source and binary forms, with or without
   5  * modification, are permitted provided that the following conditions are met:
   6  *
   7  * 1. Redistributions of source code must retain the above copyright notice, this
   8  *    list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright notice,
  10  *    this list of conditions and the following disclaimer in the documentation
  11  *    and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  15  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  16  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
  17  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  18  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  19  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  20  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  22  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  23  */
  24
  25 #include <errno.h>
  26 #include <stdio.h>
  27 #include <stdlib.h>
  28 #include <string.h>
  29 #include "bspwm.h"
  30 #include "desktop.h"
  31 #include "ewmh.h"
  32 #include "history.h"
  33 #include "monitor.h"
  34 #include "pointer.h"
  35 #include "query.h"
  36 #include "rule.h"
  37 #include "restore.h"
  38 #include "settings.h"
  39 #include "tree.h"
  40 #include "window.h"
  41 #include "common.h"
  42 #include "subscribe.h"
  43 #include "messages.h"
  44
  45 int handle_message(char *msg, int msg_len, FILE *rsp)
  46 {
  47         int cap = INIT_CAP;
  48         int num = 0;
  49         char **args = malloc(cap * sizeof(char *));
  50         if (args == NULL)
  51                 return MSG_FAILURE;
  52
  53         for (int i = 0, j = 0; i < msg_len; i++) {
  54                 if (msg[i] == 0) {
  55                         args[num++] = msg + j;
  56                         j = i + 1;
  57                 }
  58                 if (num >= cap) {
  59                         cap *= 2;
  60                         char **new = realloc(args, cap * sizeof(char *));
  61                         if (new == NULL) {
  62                                 free(args);
  63                                 return MSG_FAILURE;
  64                         } else {
  65                                 args = new;
  66                         }
  67                 }
  68         }
  69
  70         if (num < 1) {
  71                 free(args);
  72                 return MSG_SYNTAX;
  73         }
  74
  75         char **args_orig = args;
  76         int ret = process_message(args, num, rsp);
  77         free(args_orig);
  78         return ret;
  79 }
  80
  81 int process_message(char **args, int num, FILE *rsp)
  82 {
  83         if (streq("window", *args)) {
  84                 return cmd_window(++args, --num);
  85         } else if (streq("desktop", *args)) {
  86                 return cmd_desktop(++args, --num);
  87         } else if (streq("monitor", *args)) {
  88                 return cmd_monitor(++args, --num);
  89         } else if (streq("query", *args)) {
  90                 return cmd_query(++args, --num, rsp);
  91         } else if (streq("restore", *args)) {
  92                 return cmd_restore(++args, --num);
  93         } else if (streq("control", *args)) {
  94                 return cmd_control(++args, --num, rsp);
  95         } else if (streq("rule", *args)) {
  96                 return cmd_rule(++args, --num, rsp);
  97         } else if (streq("pointer", *args)) {
  98                 return cmd_pointer(++args, --num);
  99         } else if (streq("config", *args)) {
 100                 return cmd_config(++args, --num, rsp);
 101         } else if (streq("quit", *args)) {
 102                 return cmd_quit(++args, --num);
 103         }
 104
 105         return MSG_UNKNOWN;
 106 }
 107
 108 int cmd_window(char **args, int num)
 109 {
 110         if (num < 1)
 111                 return MSG_SYNTAX;
 112
 113         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
 114         coordinates_t trg = ref;
 115
 116         if ((*args)[0] != OPT_CHR) {
 117                 if (node_from_desc(*args, &ref, &trg))
 118                         num--, args++;
 119                 else
 120                         return MSG_FAILURE;
 121         }
 122
 123         if (trg.node == NULL)
 124                 return MSG_FAILURE;
 125
 126         bool dirty = false;
 127
 128         while (num > 0) {
 129                 if (streq("-f", *args) || streq("--focus", *args)) {
 130                         coordinates_t dst = trg;
 131                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 132                                 num--, args++;
 133                                 if (!node_from_desc(*args, &trg, &dst))
 134                                         return MSG_FAILURE;
 135                         }
 136                         focus_node(dst.monitor, dst.desktop, dst.node);
 137                 } else if (streq("-d", *args) || streq("--to-desktop", *args)) {
 138                         num--, args++;
 139                         coordinates_t dst;
 140                         if (desktop_from_desc(*args, &trg, &dst)) {
 141                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.desktop->focus)) {
 142                                         trg.monitor = dst.monitor;
 143                                         trg.desktop = dst.desktop;
 144                                 }
 145                         } else {
 146                                 return MSG_FAILURE;
 147                         }
 148                 } else if (streq("-m", *args) || streq("--to-monitor", *args)) {
 149                         num--, args++;
 150                         if (num < 1)
 151                                 return MSG_SYNTAX;
 152                         coordinates_t dst;
 153                         if (monitor_from_desc(*args, &trg, &dst)) {
 154                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.monitor->desk, dst.monitor->desk->focus)) {
 155                                         trg.monitor = dst.monitor;
 156                                         trg.desktop = dst.monitor->desk;
 157                                 }
 158                         } else {
 159                                 return MSG_FAILURE;
 160                         }
 161                 } else if (streq("-w", *args) || streq("--to-window", *args)) {
 162                         num--, args++;
 163                         if (num < 1)
 164                                 return MSG_SYNTAX;
 165                         coordinates_t dst;
 166                         if (node_from_desc(*args, &trg, &dst)) {
 167                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node)) {
 168                                         trg.monitor = dst.monitor;
 169                                         trg.desktop = dst.desktop;
 170                                 }
 171                         } else {
 172                                 return MSG_FAILURE;
 173                         }
 174                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 175                         num--, args++;
 176                         if (num < 1)
 177                                 return MSG_SYNTAX;
 178                         coordinates_t dst;
 179                         if (node_from_desc(*args, &trg, &dst)) {
 180                                 if (swap_nodes(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node)) {
 181                                         if (trg.desktop != dst.desktop)
 182                                                 arrange(trg.monitor, trg.desktop);
 183                                         trg.monitor = dst.monitor;
 184                                         trg.desktop = dst.desktop;
 185                                         dirty = true;
 186                                 }
 187                         } else {
 188                                 return MSG_FAILURE;
 189                         }
 190                 } else if (streq("-t", *args) || streq("--toggle", *args)) {
 191                         num--, args++;
 192                         if (num < 1)
 193                                 return MSG_SYNTAX;
 194                         char *key = strtok(*args, EQL_TOK);
 195                         char *val = strtok(NULL, EQL_TOK);
 196                         alter_state_t a;
 197                         bool b;
 198                         if (val == NULL) {
 199                                 a = ALTER_TOGGLE;
 200                         } else {
 201                                 if (parse_bool(val, &b))
 202                                         a = ALTER_SET;
 203                                 else
 204                                         return MSG_FAILURE;
 205                         }
 206                         if (streq("fullscreen", key)) {
 207                                 set_fullscreen(trg.node, (a == ALTER_SET ? b : !trg.node->client->fullscreen));
 208                                 dirty = true;
 209                         } else if (streq("pseudo_tiled", key)) {
 210                                 set_pseudo_tiled(trg.node, (a == ALTER_SET ? b : !trg.node->client->pseudo_tiled));
 211                                 dirty = true;
 212                         } else if (streq("floating", key)) {
 213                                 set_floating(trg.node, (a == ALTER_SET ? b : !trg.node->client->floating));
 214                                 dirty = true;
 215                         } else if (streq("locked", key)) {
 216                                 set_locked(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->client->locked));
 217                         } else if (streq("sticky", key)) {
 218                                 set_sticky(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->client->sticky));
 219                         } else if (streq("private", key)) {
 220                                 set_private(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->client->private));
 221                         } else {
 222                                 return MSG_FAILURE;
 223                         }
 224                 } else if (streq("-p", *args) || streq("--presel", *args)) {
 225                         num--, args++;
 226                         if (num < 1)
 227                                 return MSG_SYNTAX;
 228                         if (!is_tiled(trg.node->client) ||
 229                             trg.desktop->layout != LAYOUT_TILED)
 230                                 return MSG_FAILURE;
 231                         if (streq("cancel", *args)) {
 232                                 reset_mode(&trg);
 233                         } else {
 234                                 direction_t dir;
 235                                 if (parse_direction(*args, &dir)) {
 236                                         double rat = trg.node->split_ratio;
 237                                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 238                                                 num--, args++;
 239                                                 if (sscanf(*args, "%lf", &rat) != 1 || rat <= 0 || rat >= 1)
 240                                                         return MSG_FAILURE;
 241                                         }
 242                                         if (auto_cancel && trg.node->split_mode == MODE_MANUAL &&
 243                                             dir == trg.node->split_dir &&
 244                                             rat == trg.node->split_ratio) {
 245                                                 reset_mode(&trg);
 246                                         } else {
 247                                                 trg.node->split_mode = MODE_MANUAL;
 248                                                 trg.node->split_dir = dir;
 249                                                 trg.node->split_ratio = rat;
 250                                         }
 251                                         window_draw_border(trg.node, trg.desktop->focus == trg.node, mon == trg.monitor);
 252                                 } else {
 253                                         return MSG_FAILURE;
 254                                 }
 255                         }
 256                 } else if (streq("-e", *args) || streq("--edge", *args)) {
 257                         num--, args++;
 258                         if (num < 2)
 259                                 return MSG_SYNTAX;
 260                         if (!is_tiled(trg.node->client))
 261                                 return MSG_FAILURE;
 262                         direction_t dir;
 263                         if (!parse_direction(*args, &dir))
 264                                 return MSG_FAILURE;
 265                         node_t *n = find_fence(trg.node, dir);
 266                         if (n == NULL)
 267                                 return MSG_FAILURE;
 268                         num--, args++;
 269                         if ((*args)[0] == '+' || (*args)[0] == '-') {
 270                                 int pix;
 271                                 if (sscanf(*args, "%i", &pix) == 1) {
 272                                         int max = (n->split_type == TYPE_HORIZONTAL ? n->rectangle.height : n->rectangle.width);
 273                                         double rat = ((max * n->split_ratio) + pix) / max;
 274                                         if (rat > 0 && rat < 1)
 275                                                 n->split_ratio = rat;
 276                                         else
 277                                                 return MSG_FAILURE;
 278                                 } else {
 279                                         return MSG_FAILURE;
 280                                 }
 281                         } else {
 282                                 double rat;
 283                                 if (sscanf(*args, "%lf", &rat) == 1 && rat > 0 && rat < 1)
 284                                         n->split_ratio = rat;
 285                                 else
 286                                         return MSG_FAILURE;
 287                         }
 288                         dirty = true;
 289                 } else if (streq("-r", *args) || streq("--ratio", *args)) {
 290                         num--, args++;
 291                         if (num < 1)
 292                                 return MSG_SYNTAX;
 293                         double rat;
 294                         if (sscanf(*args, "%lf", &rat) == 1 && rat > 0 && rat < 1) {
 295                                 trg.node->split_ratio = rat;
 296                                 window_draw_border(trg.node, trg.desktop->focus == trg.node, mon == trg.monitor);
 297                         } else {
 298                                 return MSG_FAILURE;
 299                         }
 300                 } else if (streq("-R", *args) || streq("--rotate", *args)) {
 301                         num--, args++;
 302                         if (num < 2)
 303                                 return MSG_SYNTAX;
 304                         direction_t dir;
 305                         if (!parse_direction(*args, &dir))
 306                                 return MSG_FAILURE;
 307                         node_t *n = find_fence(trg.node, dir);
 308                         if (n == NULL)
 309                                 return MSG_FAILURE;
 310                         num--, args++;
 311                         int deg;
 312                         if (parse_degree(*args, &deg)) {
 313                                 rotate_tree(n, deg);
 314                                 dirty = true;
 315                         } else {
 316                                 return MSG_FAILURE;
 317                         }
 318                 } else if (streq("-c", *args) || streq("--close", *args)) {
 319                         if (num > 1)
 320                                 return MSG_SYNTAX;
 321                         window_close(trg.node);
 322                 } else if (streq("-k", *args) || streq("--kill", *args)) {
 323                         if (num > 1)
 324                                 return MSG_SYNTAX;
 325                         window_kill(trg.monitor, trg.desktop, trg.node);
 326                         dirty = true;
 327                 } else {
 328                         return MSG_SYNTAX;
 329                 }
 330
 331                 num--, args++;
 332         }
 333
 334         if (dirty)
 335                 arrange(trg.monitor, trg.desktop);
 336
 337         return MSG_SUCCESS;
 338 }
 339
 340 int cmd_desktop(char **args, int num)
 341 {
 342         if (num < 1)
 343                 return MSG_SYNTAX;
 344
 345         coordinates_t ref = {mon, mon->desk, NULL};
 346         coordinates_t trg = ref;
 347
 348         if ((*args)[0] != OPT_CHR) {
 349                 if (desktop_from_desc(*args, &ref, &trg))
 350                         num--, args++;
 351                 else
 352                         return MSG_FAILURE;
 353         }
 354
 355         bool dirty = false;
 356
 357         while (num > 0) {
 358                 if (streq("-f", *args) || streq("--focus", *args)) {
 359                         coordinates_t dst = trg;
 360                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 361                                 num--, args++;
 362                                 if (!desktop_from_desc(*args, &trg, &dst))
 363                                         return MSG_FAILURE;
 364                         }
 365                         if (auto_alternate && dst.desktop == mon->desk) {
 366                                 desktop_select_t sel = {DESKTOP_STATUS_ALL, false, false};
 367                                 history_find_desktop(HISTORY_OLDER, &trg, &dst, sel);
 368                         }
 369                         focus_node(dst.monitor, dst.desktop, dst.desktop->focus);
 370                 } else if (streq("-m", *args) || streq("--to-monitor", *args)) {
 371                         num--, args++;
 372                         if (num < 1)
 373                                 return MSG_SYNTAX;
 374                         if (trg.monitor->desk_head == trg.monitor->desk_tail)
 375                                 return MSG_FAILURE;
 376                         coordinates_t dst;
 377                         if (monitor_from_desc(*args, &trg, &dst)) {
 378                                 transfer_desktop(trg.monitor, dst.monitor, trg.desktop);
 379                                 trg.monitor = dst.monitor;
 380                                 update_current();
 381                         } else {
 382                                 return MSG_FAILURE;
 383                         }
 384                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 385                         num--, args++;
 386                         if (num < 1)
 387                                 return MSG_SYNTAX;
 388                         coordinates_t dst;
 389                         if (desktop_from_desc(*args, &trg, &dst))
 390                                 swap_desktops(trg.monitor, trg.desktop, dst.monitor, dst.desktop);
 391                         else
 392                                 return MSG_FAILURE;
 393                 } else if (streq("-b", *args) || streq("--bubble", *args)) {
 394                         num--, args++;
 395                         if (num < 1)
 396                                 return MSG_SYNTAX;
 397                         cycle_dir_t cyc;
 398                         if (parse_cycle_direction(*args, &cyc)) {
 399                                 desktop_t *d = trg.desktop;
 400                                 if (cyc == CYCLE_PREV) {
 401                                         if (d->prev == NULL) {
 402                                                 while (d->next != NULL) {
 403                                                         swap_desktops(trg.monitor, d, trg.monitor, d->next);
 404                                                 }
 405                                         } else {
 406                                                 swap_desktops(trg.monitor, d, trg.monitor, d->prev);
 407                                         }
 408                                 } else {
 409                                         if (d->next == NULL) {
 410                                                 while (d->prev != NULL) {
 411                                                         swap_desktops(trg.monitor, d, trg.monitor, d->prev);
 412                                                 }
 413                                         } else {
 414                                                 swap_desktops(trg.monitor, d, trg.monitor, d->next);
 415                                         }
 416                                 }
 417                         } else {
 418                                 return MSG_FAILURE;
 419                         }
 420                 } else if (streq("-l", *args) || streq("--layout", *args)) {
 421                         num--, args++;
 422                         if (num < 1)
 423                                 return MSG_SYNTAX;
 424                         layout_t lyt;
 425                         cycle_dir_t cyc;
 426                         if (parse_cycle_direction(*args, &cyc))
 427                                 change_layout(trg.monitor, trg.desktop, (trg.desktop->layout + 1) % 2);
 428                         else if (parse_layout(*args, &lyt))
 429                                 change_layout(trg.monitor, trg.desktop, lyt);
 430                         else
 431                                 return MSG_FAILURE;
 432                 } else if (streq("-n", *args) || streq("--rename", *args)) {
 433                         num--, args++;
 434                         if (num < 1)
 435                                 return MSG_SYNTAX;
 436                         put_status(SBSC_MASK_DESKTOP_RENAME, "desktop_rename %s %s %s\n", trg.monitor->name, trg.desktop->name, *args);
 437                         snprintf(trg.desktop->name, sizeof(trg.desktop->name), "%s", *args);
 438                         ewmh_update_desktop_names();
 439                         put_status(SBSC_MASK_REPORT);
 440                 } else if (streq("-r", *args) || streq("--remove", *args)) {
 441                         if (trg.desktop->root == NULL &&
 442                             trg.monitor->desk_head != trg.monitor->desk_tail) {
 443                                 remove_desktop(trg.monitor, trg.desktop);
 444                                 show_desktop(trg.monitor->desk);
 445                                 update_current();
 446                                 return MSG_SUCCESS;
 447                         } else {
 448                                 return MSG_FAILURE;
 449                         }
 450                 } else if (streq("-c", *args) || streq("--cancel-presel", *args)) {
 451                         reset_mode(&trg);
 452                 } else if (streq("-F", *args) || streq("--flip", *args)) {
 453                         num--, args++;
 454                         if (num < 1)
 455                                 return MSG_SYNTAX;
 456                         flip_t flp;
 457                         if (parse_flip(*args, &flp)) {
 458                                 flip_tree(trg.desktop->root, flp);
 459                                 dirty = true;
 460                         } else {
 461                                 return MSG_FAILURE;
 462                         }
 463                 } else if (streq("-R", *args) || streq("--rotate", *args)) {
 464                         num--, args++;
 465                         if (num < 1)
 466                                 return MSG_SYNTAX;
 467                         int deg;
 468                         if (parse_degree(*args, &deg)) {
 469                                 rotate_tree(trg.desktop->root, deg);
 470                                 dirty = true;
 471                         } else {
 472                                 return MSG_FAILURE;
 473                         }
 474                 } else if (streq("-E", *args) || streq("--equalize", *args)) {
 475                         equalize_tree(trg.desktop->root);
 476                         dirty = true;
 477                 } else if (streq("-B", *args) || streq("--balance", *args)) {
 478                         balance_tree(trg.desktop->root);
 479                         dirty = true;
 480                 } else if (streq("-C", *args) || streq("--circulate", *args)) {
 481                         num--, args++;
 482                         if (num < 1)
 483                                 return MSG_SYNTAX;
 484                         circulate_dir_t cir;
 485                         if (parse_circulate_direction(*args, &cir)) {
 486                                 circulate_leaves(trg.monitor, trg.desktop, cir);
 487                                 dirty = true;
 488                         } else {
 489                                 return MSG_FAILURE;
 490                         }
 491                 } else if (streq("-t", *args) || streq("--toggle", *args)) {
 492                         num--, args++;
 493                         if (num < 1)
 494                                 return MSG_SYNTAX;
 495                         char *key = strtok(*args, EQL_TOK);
 496                         char *val = strtok(NULL, EQL_TOK);
 497                         alter_state_t a;
 498                         bool b;
 499                         if (val == NULL) {
 500                                 a = ALTER_TOGGLE;
 501                         } else {
 502                                 if (parse_bool(val, &b))
 503                                         a = ALTER_SET;
 504                                 else
 505                                         return MSG_FAILURE;
 506                         }
 507                         if (streq("floating", key))
 508                                 trg.desktop->floating = (a == ALTER_SET ? b : !trg.desktop->floating);
 509                         else
 510                                 return MSG_FAILURE;
 511                 } else {
 512                         return MSG_SYNTAX;
 513                 }
 514                 num--, args++;
 515         }
 516
 517         if (dirty)
 518                 arrange(trg.monitor, trg.desktop);
 519
 520         return MSG_SUCCESS;
 521 }
 522
 523 int cmd_monitor(char **args, int num)
 524 {
 525         if (num < 1)
 526                 return MSG_SYNTAX;
 527
 528         coordinates_t ref = {mon, NULL, NULL};
 529         coordinates_t trg = ref;
 530
 531         if ((*args)[0] != OPT_CHR) {
 532                 if (monitor_from_desc(*args, &ref, &trg))
 533                         num--, args++;
 534                 else
 535                         return MSG_FAILURE;
 536         }
 537
 538         while (num > 0) {
 539                 if (streq("-f", *args) || streq("--focus", *args)) {
 540                         coordinates_t dst = trg;
 541                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 542                                 num--, args++;
 543                                 if (!monitor_from_desc(*args, &trg, &dst))
 544                                         return MSG_FAILURE;
 545                         }
 546                         if (auto_alternate && dst.monitor == mon) {
 547                                 desktop_select_t sel = {DESKTOP_STATUS_ALL, false, false};
 548                                 history_find_monitor(HISTORY_OLDER, &trg, &dst, sel);
 549                         }
 550                         focus_node(dst.monitor, dst.monitor->desk, dst.monitor->desk->focus);
 551                 } else if (streq("-d", *args) || streq("--reset-desktops", *args)) {
 552                         num--, args++;
 553                         if (num < 1)
 554                                 return MSG_SYNTAX;
 555                         desktop_t *d = trg.monitor->desk_head;
 556                         while (num > 0 && d != NULL) {
 557                                 put_status(SBSC_MASK_DESKTOP_RENAME, "desktop_rename %s %s %s\n", trg.monitor->name, d->name, *args);
 558                                 snprintf(d->name, sizeof(d->name), "%s", *args);
 559                                 initialize_desktop(d);
 560                                 arrange(trg.monitor, d);
 561                                 d = d->next;
 562                                 num--, args++;
 563                         }
 564                         put_status(SBSC_MASK_REPORT);
 565                         while (num > 0) {
 566                                 add_desktop(trg.monitor, make_desktop(*args));
 567                                 num--, args++;
 568                         }
 569                         while (d != NULL) {
 570                                 desktop_t *next = d->next;
 571                                 if (d == mon->desk)
 572                                         focus_node(trg.monitor, d->prev, d->prev->focus);
 573                                 merge_desktops(trg.monitor, d, mon, mon->desk);
 574                                 remove_desktop(trg.monitor, d);
 575                                 d = next;
 576                         }
 577                 } else if (streq("-a", *args) || streq("--add-desktops", *args)) {
 578                         num--, args++;
 579                         if (num < 1)
 580                                 return MSG_SYNTAX;
 581                         while (num > 0) {
 582                                 add_desktop(trg.monitor, make_desktop(*args));
 583                                 num--, args++;
 584                         }
 585                 } else if (streq("-r", *args) || streq("--remove-desktops", *args)) {
 586                         num--, args++;
 587                         if (num < 1)
 588                                 return MSG_SYNTAX;
 589                         while (num > 0) {
 590                                 coordinates_t dst;
 591                                 if (locate_desktop(*args, &dst) && dst.monitor->desk_head != dst.monitor->desk_tail && dst.desktop->root == NULL) {
 592                                         remove_desktop(dst.monitor, dst.desktop);
 593                                         show_desktop(dst.monitor->desk);
 594                                 }
 595                                 num--, args++;
 596                         }
 597                 } else if (streq("-o", *args) || streq("--order-desktops", *args)) {
 598                         num--, args++;
 599                         if (num < 1)
 600                                 return MSG_SYNTAX;
 601                         desktop_t *d = trg.monitor->desk_head;
 602                         while (d != NULL && num > 0) {
 603                                 desktop_t *next = d->next;
 604                                 coordinates_t dst;
 605                                 if (locate_desktop(*args, &dst) && dst.monitor == trg.monitor) {
 606                                         swap_desktops(trg.monitor, d, dst.monitor, dst.desktop);
 607                                         if (next == dst.desktop)
 608                                                 next = d;
 609                                 }
 610                                 d = next;
 611                                 num--, args++;
 612                         }
 613                 } else if (streq("-n", *args) || streq("--rename", *args)) {
 614                         num--, args++;
 615                         if (num < 1)
 616                                 return MSG_SYNTAX;
 617                         put_status(SBSC_MASK_MONITOR_RENAME, "monitor_rename %s %s\n", trg.monitor->name, *args);
 618                         snprintf(trg.monitor->name, sizeof(trg.monitor->name), "%s", *args);
 619                         put_status(SBSC_MASK_REPORT);
 620                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 621                         num--, args++;
 622                         if (num < 1)
 623                                 return MSG_SYNTAX;
 624                         coordinates_t dst;
 625                         if (monitor_from_desc(*args, &trg, &dst))
 626                                 swap_monitors(trg.monitor, dst.monitor);
 627                         else
 628                                 return MSG_FAILURE;
 629                 } else {
 630                         return MSG_SYNTAX;
 631                 }
 632                 num--, args++;
 633         }
 634
 635         return MSG_SUCCESS;
 636 }
 637
 638 int cmd_query(char **args, int num, FILE *rsp)
 639 {
 640         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
 641         coordinates_t trg = {NULL, NULL, NULL};
 642         domain_t dom = DOMAIN_TREE;
 643         int d = 0, t = 0;
 644
 645         while (num > 0) {
 646                 if (streq("-T", *args) || streq("--tree", *args)) {
 647                         dom = DOMAIN_TREE, d++;
 648                 } else if (streq("-M", *args) || streq("--monitors", *args)) {
 649                         dom = DOMAIN_MONITOR, d++;
 650                 } else if (streq("-D", *args) || streq("--desktops", *args)) {
 651                         dom = DOMAIN_DESKTOP, d++;
 652                 } else if (streq("-W", *args) || streq("--windows", *args)) {
 653                         dom = DOMAIN_WINDOW, d++;
 654                 } else if (streq("-H", *args) || streq("--history", *args)) {
 655                         dom = DOMAIN_HISTORY, d++;
 656                 } else if (streq("-S", *args) || streq("--stack", *args)) {
 657                         dom = DOMAIN_STACK, d++;
 658                 } else if (streq("-m", *args) || streq("--monitor", *args)) {
 659                         trg.monitor = ref.monitor;
 660                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 661                                 num--, args++;
 662                                 if (!monitor_from_desc(*args, &ref, &trg))
 663                                         return MSG_FAILURE;
 664                         }
 665                         t++;
 666                 } else if (streq("-d", *args) || streq("--desktop", *args)) {
 667                         trg.monitor = ref.monitor;
 668                         trg.desktop = ref.desktop;
 669                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 670                                 num--, args++;
 671                                 if (!desktop_from_desc(*args, &ref, &trg))
 672                                         return MSG_FAILURE;
 673                         }
 674                         t++;
 675                 } else if (streq("-w", *args) || streq("--window", *args)) {
 676                         trg = ref;
 677                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 678                                 num--, args++;
 679                                 if (!node_from_desc(*args, &ref, &trg))
 680                                         return MSG_FAILURE;
 681                         }
 682                         t++;
 683                 } else {
 684                         return MSG_SYNTAX;
 685                 }
 686                 num--, args++;
 687         }
 688
 689         if (d != 1 || t > 1)
 690                 return MSG_SYNTAX;
 691
 692         if (dom == DOMAIN_HISTORY)
 693                 query_history(trg, rsp);
 694         else if (dom == DOMAIN_STACK)
 695                 query_stack(rsp);
 696         else if (dom == DOMAIN_WINDOW)
 697                 query_windows(trg, rsp);
 698         else
 699                 query_monitors(trg, dom, rsp);
 700
 701         return MSG_SUCCESS;
 702 }
 703
 704 int cmd_rule(char **args, int num, FILE *rsp)
 705 {
 706         if (num < 1)
 707                 return MSG_SYNTAX;
 708         while (num > 0) {
 709                 if (streq("-a", *args) || streq("--add", *args)) {
 710                         num--, args++;
 711                         if (num < 2)
 712                                 return MSG_SYNTAX;
 713                         rule_t *rule = make_rule();
 714                         snprintf(rule->cause, sizeof(rule->cause), "%s", *args);
 715                         num--, args++;
 716                         size_t i = 0;
 717                         while (num > 0) {
 718                                 if (streq("-o", *args) || streq("--one-shot", *args)) {
 719                                         rule->one_shot = true;
 720                                 } else {
 721                                         for (size_t j = 0; i < sizeof(rule->effect) && j < strlen(*args); i++, j++)
 722                                                 rule->effect[i] = (*args)[j];
 723                                         if (num > 1 && i < sizeof(rule->effect))
 724                                                 rule->effect[i++] = ' ';
 725                                 }
 726                                 num--, args++;
 727                         }
 728                         rule->effect[MIN(i, sizeof(rule->effect) - 1)] = '\0';
 729                         add_rule(rule);
 730                 } else if (streq("-r", *args) || streq("--remove", *args)) {
 731                         num--, args++;
 732                         if (num < 1)
 733                                 return MSG_SYNTAX;
 734                         int idx;
 735                         while (num > 0) {
 736                                 if (parse_index(*args, &idx))
 737                                         remove_rule_by_index(idx - 1);
 738                                 else if (streq("tail", *args))
 739                                         remove_rule(rule_tail);
 740                                 else if (streq("head", *args))
 741                                         remove_rule(rule_head);
 742                                 else
 743                                         remove_rule_by_cause(*args);
 744                                 num--, args++;
 745                         }
 746                 } else if (streq("-l", *args) || streq("--list", *args)) {
 747                         num--, args++;
 748                         list_rules(num > 0 ? *args : NULL, rsp);
 749                 } else {
 750                         return MSG_SYNTAX;
 751                 }
 752                 num--, args++;
 753         }
 754
 755         return MSG_SUCCESS;
 756 }
 757
 758 int cmd_pointer(char **args, int num)
 759 {
 760         if (num < 1)
 761                 return MSG_SYNTAX;
 762         while (num > 0) {
 763                 if (streq("-t", *args) || streq("--track", *args)) {
 764                         num--, args++;
 765                         if (num < 2)
 766                                 return MSG_SYNTAX;
 767                         int x, y;
 768                         if (sscanf(*args, "%i", &x) == 1 && sscanf(*(args + 1), "%i", &y) == 1)
 769                                 track_pointer(x, y);
 770                         else
 771                                 return MSG_FAILURE;
 772                         num--, args++;
 773                 } else if (streq("-g", *args) || streq("--grab", *args)) {
 774                         num--, args++;
 775                         if (num < 1)
 776                                 return MSG_SYNTAX;
 777                         pointer_action_t pac;
 778                         if (parse_pointer_action(*args, &pac))
 779                                 grab_pointer(pac);
 780                         else
 781                                 return MSG_FAILURE;
 782                 } else if (streq("-u", *args) || streq("--ungrab", *args)) {
 783                         ungrab_pointer();
 784                 } else {
 785                         return MSG_SYNTAX;
 786                 }
 787                 num--, args++;
 788         }
 789
 790         return MSG_SUCCESS;
 791 }
 792
 793 int cmd_restore(char **args, int num)
 794 {
 795         if (num < 1)
 796                 return MSG_SYNTAX;
 797         while (num > 0) {
 798                 if (streq("-T", *args) || streq("--tree", *args)) {
 799                         num--, args++;
 800                         if (num < 1)
 801                                 return MSG_SYNTAX;
 802                         restore_tree(*args);
 803                 } else if (streq("-H", *args) || streq("--history", *args)) {
 804                         num--, args++;
 805                         if (num < 1)
 806                                 return MSG_SYNTAX;
 807                         restore_history(*args);
 808                 } else if (streq("-S", *args) || streq("--stack", *args)) {
 809                         num--, args++;
 810                         if (num < 1)
 811                                 return MSG_SYNTAX;
 812                         restore_stack(*args);
 813                 } else {
 814                         return MSG_SYNTAX;
 815                 }
 816                 num--, args++;
 817         }
 818
 819         return MSG_SUCCESS;
 820 }
 821
 822 int cmd_control(char **args, int num, FILE *rsp)
 823 {
 824         if (num < 1)
 825                 return MSG_SYNTAX;
 826         while (num > 0) {
 827                 if (streq("--adopt-orphans", *args)) {
 828                         adopt_orphans();
 829                 } else if (streq("--toggle-visibility", *args)) {
 830                         toggle_visibility();
 831                 } else if (streq("--subscribe", *args)) {
 832                         num--, args++;
 833                         int field = 0;
 834                         if (num < 1) {
 835                                 field = SBSC_MASK_REPORT;
 836                         } else {
 837                                 subscriber_mask_t mask;
 838                                 while (num > 0) {
 839                                         if (parse_subscriber_mask(*args, &mask)) {
 840                                                 field |= mask;
 841                                         } else {
 842                                                 return MSG_SYNTAX;
 843                                         }
 844                                         num--, args++;
 845                                 }
 846                         }
 847                         add_subscriber(rsp, field);
 848                         return MSG_SUBSCRIBE;
 849                 } else if (streq("--get-status", *args)) {
 850                         print_report(rsp);
 851                 } else if (streq("--record-history", *args)) {
 852                         num--, args++;
 853                         if (num < 1)
 854                                 return MSG_SYNTAX;
 855                         bool b;
 856                         if (parse_bool(*args, &b))
 857                                 record_history = b;
 858                         else
 859                                 return MSG_SYNTAX;
 860                 } else {
 861                         return MSG_SYNTAX;
 862                 }
 863                 num--, args++;
 864         }
 865
 866         return MSG_SUCCESS;
 867 }
 868
 869 int cmd_config(char **args, int num, FILE *rsp)
 870 {
 871         if (num < 1)
 872                 return MSG_SYNTAX;
 873         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
 874         coordinates_t trg = {NULL, NULL, NULL};
 875         if ((*args)[0] == OPT_CHR) {
 876                 if (streq("-m", *args) || streq("--monitor", *args)) {
 877                         num--, args++;
 878                         if (num < 1)
 879                                 return MSG_SYNTAX;
 880                         if (!monitor_from_desc(*args, &ref, &trg))
 881                                 return MSG_FAILURE;
 882                 } else if (streq("-d", *args) || streq("--desktop", *args)) {
 883                         num--, args++;
 884                         if (num < 1)
 885                                 return MSG_SYNTAX;
 886                         if (!desktop_from_desc(*args, &ref, &trg))
 887                                 return MSG_FAILURE;
 888                 } else if (streq("-w", *args) || streq("--window", *args)) {
 889                         num--, args++;
 890                         if (num < 1)
 891                                 return MSG_SYNTAX;
 892                         if (!node_from_desc(*args, &ref, &trg))
 893                                 return MSG_FAILURE;
 894                 } else {
 895                         return MSG_SYNTAX;
 896                 }
 897                 num--, args++;
 898         }
 899         if (num == 2)
 900                 return set_setting(trg, *args, *(args + 1));
 901         else if (num == 1)
 902                 return get_setting(trg, *args, rsp);
 903         else
 904                 return MSG_SYNTAX;
 905 }
 906
 907 int cmd_quit(char **args, int num)
 908 {
 909         if (num > 0 && sscanf(*args, "%i", &exit_status) != 1)
 910                 return MSG_FAILURE;
 911         running = false;
 912         return MSG_SUCCESS;
 913 }
 914
 915 int set_setting(coordinates_t loc, char *name, char *value)
 916 {
 917 #define DESKWINDEFSET(k, v) \
 918                 if (loc.node != NULL) \
 919                         loc.node->client->k = v; \
 920                 else if (loc.desktop != NULL) \
 921                         loc.desktop->k = v; \
 922                 else if (loc.monitor != NULL) \
 923                         for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) \
 924                                 d->k = v; \
 925                 else \
 926                         k = v;
 927         if (streq("border_width", name)) {
 928                 unsigned int bw;
 929                 if (sscanf(value, "%u", &bw) != 1)
 930                         return MSG_FAILURE;
 931                 DESKWINDEFSET(border_width, bw)
 932 #undef DESKWINDEFSET
 933 #define DESKDEFSET(k, v) \
 934                 if (loc.desktop != NULL) \
 935                         loc.desktop->k = v; \
 936                 else if (loc.monitor != NULL) \
 937                         for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) \
 938                                 d->k = v; \
 939                 else \
 940                         k = v;
 941         } else if (streq("window_gap", name)) {
 942                 int wg;
 943                 if (sscanf(value, "%i", &wg) != 1)
 944                         return MSG_FAILURE;
 945                 DESKDEFSET(window_gap, wg)
 946 #undef DESKDEFSET
 947 #define MONDESKSET(k, v) \
 948                 if (loc.desktop != NULL) \
 949                         loc.desktop->k = v; \
 950                 else if (loc.monitor != NULL) \
 951                         loc.monitor->k = v; \
 952                 else \
 953                         for (monitor_t *m = mon_head; m != NULL; m = m->next) \
 954                                 m->k = v;
 955         } else if (streq("top_padding", name)) {
 956                 int tp;
 957                 if (sscanf(value, "%i", &tp) != 1)
 958                         return MSG_FAILURE;
 959                 MONDESKSET(top_padding, tp)
 960         } else if (streq("right_padding", name)) {
 961                 int rp;
 962                 if (sscanf(value, "%i", &rp) != 1)
 963                         return MSG_FAILURE;
 964                 MONDESKSET(right_padding, rp)
 965         } else if (streq("bottom_padding", name)) {
 966                 int bp;
 967                 if (sscanf(value, "%i", &bp) != 1)
 968                         return MSG_FAILURE;
 969                 MONDESKSET(bottom_padding, bp)
 970         } else if (streq("left_padding", name)) {
 971                 int lp;
 972                 if (sscanf(value, "%i", &lp) != 1)
 973                         return MSG_FAILURE;
 974                 MONDESKSET(left_padding, lp)
 975 #undef MONDESKSET
 976 #define SETSTR(s) \
 977         } else if (streq(#s, name)) { \
 978                 if (snprintf(s, sizeof(s), "%s", value) < 0) \
 979                         return MSG_FAILURE;
 980         SETSTR(external_rules_command)
 981         SETSTR(status_prefix)
 982 #undef SETSTR
 983         } else if (streq("split_ratio", name)) {
 984                 double r;
 985                 if (sscanf(value, "%lf", &r) == 1 && r > 0 && r < 1)
 986                         split_ratio = r;
 987                 else
 988                         return MSG_FAILURE;
 989                 return MSG_SUCCESS;
 990 #define SETCOLOR(s) \
 991         } else if (streq(#s, name)) { \
 992                 snprintf(s, sizeof(s), "%s", value);
 993         SETCOLOR(focused_border_color)
 994         SETCOLOR(active_border_color)
 995         SETCOLOR(normal_border_color)
 996         SETCOLOR(presel_border_color)
 997         SETCOLOR(focused_locked_border_color)
 998         SETCOLOR(active_locked_border_color)
 999         SETCOLOR(normal_locked_border_color)
1000         SETCOLOR(focused_sticky_border_color)
1001         SETCOLOR(active_sticky_border_color)
1002         SETCOLOR(normal_sticky_border_color)
1003         SETCOLOR(focused_private_border_color)
1004         SETCOLOR(active_private_border_color)
1005         SETCOLOR(normal_private_border_color)
1006         SETCOLOR(urgent_border_color)
1007 #undef SETCOLOR
1008         } else if (streq("initial_polarity", name)) {
1009                 child_polarity_t p;
1010                 if (parse_child_polarity(value, &p)) {
1011                         initial_polarity = p;
1012                 } else {
1013                         return MSG_FAILURE;
1014                 }
1015         } else if (streq("focus_follows_pointer", name)) {
1016                 bool b;
1017                 if (parse_bool(value, &b) && b != focus_follows_pointer) {
1018                         focus_follows_pointer = b;
1019                         uint32_t values[] = {CLIENT_EVENT_MASK | (focus_follows_pointer ? XCB_EVENT_MASK_ENTER_WINDOW : 0)};
1020                         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1021                                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1022                                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) {
1023                                                 xcb_change_window_attributes(dpy, n->client->window, XCB_CW_EVENT_MASK, values);
1024                                         }
1025                                 }
1026                         }
1027                         if (focus_follows_pointer) {
1028                                 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1029                                         window_show(m->root);
1030                                 }
1031                         } else {
1032                                 for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1033                                         window_hide(m->root);
1034                                 }
1035                                 disable_motion_recorder();
1036                         }
1037                         return MSG_SUCCESS;
1038                 } else {
1039                         return MSG_FAILURE;
1040                 }
1041 #define SETBOOL(s) \
1042         } else if (streq(#s, name)) { \
1043                 if (!parse_bool(value, &s)) \
1044                         return MSG_FAILURE;
1045                 SETBOOL(borderless_monocle)
1046                 SETBOOL(gapless_monocle)
1047                 SETBOOL(leaf_monocle)
1048                 SETBOOL(pointer_follows_focus)
1049                 SETBOOL(pointer_follows_monitor)
1050                 SETBOOL(apply_floating_atom)
1051                 SETBOOL(auto_alternate)
1052                 SETBOOL(auto_cancel)
1053                 SETBOOL(history_aware_focus)
1054                 SETBOOL(focus_by_distance)
1055                 SETBOOL(ignore_ewmh_focus)
1056                 SETBOOL(center_pseudo_tiled)
1057 #undef SETBOOL
1058 #define SETMONBOOL(s) \
1059         } else if (streq(#s, name)) { \
1060                 if (!parse_bool(value, &s)) \
1061                         return MSG_FAILURE; \
1062                 if (s) \
1063                         update_monitors();
1064                 SETMONBOOL(remove_disabled_monitors)
1065                 SETMONBOOL(remove_unplugged_monitors)
1066                 SETMONBOOL(merge_overlapping_monitors)
1067 #undef SETMONBOOL
1068         } else {
1069                 return MSG_FAILURE;
1070         }
1071
1072         for (monitor_t *m = mon_head; m != NULL; m = m->next)
1073                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next)
1074                         arrange(m, d);
1075
1076         return MSG_SUCCESS;
1077 }
1078
1079 int get_setting(coordinates_t loc, char *name, FILE* rsp)
1080 {
1081         if (streq("split_ratio", name))
1082                 fprintf(rsp, "%lf", split_ratio);
1083         else if (streq("window_gap", name))
1084                 if (loc.desktop != NULL)
1085                         fprintf(rsp, "%i", loc.desktop->window_gap);
1086                 else
1087                         fprintf(rsp, "%i", window_gap);
1088         else if (streq("border_width", name))
1089                 if (loc.node != NULL)
1090                         fprintf(rsp, "%u", loc.node->client->border_width);
1091                 else if (loc.desktop != NULL)
1092                         fprintf(rsp, "%u", loc.desktop->border_width);
1093                 else
1094                         fprintf(rsp, "%u", border_width);
1095         else if (streq("external_rules_command", name))
1096                 fprintf(rsp, "%s", external_rules_command);
1097         else if (streq("status_prefix", name))
1098                 fprintf(rsp, "%s", status_prefix);
1099         else if (streq("initial_polarity", name))
1100                 fprintf(rsp, "%s", initial_polarity == FIRST_CHILD ? "first_child" : "second_child");
1101 #define MONDESKGET(k) \
1102         else if (streq(#k, name)) \
1103                 if (loc.desktop != NULL) \
1104                         fprintf(rsp, "%i", loc.desktop->k); \
1105                 else if (loc.monitor != NULL) \
1106                         fprintf(rsp, "%i", loc.monitor->k); \
1107                 else \
1108                         return MSG_FAILURE;
1109         MONDESKGET(top_padding)
1110         MONDESKGET(right_padding)
1111         MONDESKGET(bottom_padding)
1112         MONDESKGET(left_padding)
1113 #undef DESKGET
1114 #define GETCOLOR(s) \
1115         else if (streq(#s, name)) \
1116                 fprintf(rsp, "%s", s);
1117         GETCOLOR(focused_border_color)
1118         GETCOLOR(active_border_color)
1119         GETCOLOR(normal_border_color)
1120         GETCOLOR(presel_border_color)
1121         GETCOLOR(focused_locked_border_color)
1122         GETCOLOR(active_locked_border_color)
1123         GETCOLOR(normal_locked_border_color)
1124         GETCOLOR(focused_sticky_border_color)
1125         GETCOLOR(active_sticky_border_color)
1126         GETCOLOR(normal_sticky_border_color)
1127         GETCOLOR(urgent_border_color)
1128 #undef GETCOLOR
1129 #define GETBOOL(s) \
1130         else if (streq(#s, name)) \
1131                 fprintf(rsp, "%s", BOOLSTR(s));
1132         GETBOOL(borderless_monocle)
1133         GETBOOL(gapless_monocle)
1134         GETBOOL(leaf_monocle)
1135         GETBOOL(focus_follows_pointer)
1136         GETBOOL(pointer_follows_focus)
1137         GETBOOL(pointer_follows_monitor)
1138         GETBOOL(apply_floating_atom)
1139         GETBOOL(auto_alternate)
1140         GETBOOL(auto_cancel)
1141         GETBOOL(history_aware_focus)
1142         GETBOOL(focus_by_distance)
1143         GETBOOL(ignore_ewmh_focus)
1144         GETBOOL(center_pseudo_tiled)
1145         GETBOOL(remove_disabled_monitors)
1146         GETBOOL(remove_unplugged_monitors)
1147         GETBOOL(merge_overlapping_monitors)
1148 #undef GETBOOL
1149         else
1150                 return MSG_FAILURE;
1151         return MSG_SUCCESS;
1152 }
1153
1154 bool parse_subscriber_mask(char *s, subscriber_mask_t *mask)
1155 {
1156         if (streq("all", s)) {
1157                 *mask = SBSC_MASK_ALL;
1158         } else if (streq("window", s)) {
1159                 *mask = SBSC_MASK_WINDOW;
1160         } else if (streq("desktop", s)) {
1161                 *mask = SBSC_MASK_DESKTOP;
1162         } else if (streq("monitor", s)) {
1163                 *mask = SBSC_MASK_MONITOR;
1164         } else if (streq("window_manage", s)) {
1165                 *mask = SBSC_MASK_WINDOW_MANAGE;
1166         } else if (streq("window_unmanage", s)) {
1167                 *mask = SBSC_MASK_WINDOW_UNMANAGE;
1168         } else if (streq("window_swap", s)) {
1169                 *mask = SBSC_MASK_WINDOW_SWAP;
1170         } else if (streq("window_transfer", s)) {
1171                 *mask = SBSC_MASK_WINDOW_TRANSFER;
1172         } else if (streq("window_focus", s)) {
1173                 *mask = SBSC_MASK_WINDOW_FOCUS;
1174         } else if (streq("window_resize", s)) {
1175                 *mask = SBSC_MASK_WINDOW_RESIZE;
1176         } else if (streq("window_move", s)) {
1177                 *mask = SBSC_MASK_WINDOW_MOVE;
1178         } else if (streq("window_state", s)) {
1179                 *mask = SBSC_MASK_WINDOW_STATE;
1180         } else if (streq("desktop_add", s)) {
1181                 *mask = SBSC_MASK_DESKTOP_ADD;
1182         } else if (streq("desktop_rename", s)) {
1183                 *mask = SBSC_MASK_DESKTOP_RENAME;
1184         } else if (streq("desktop_remove", s)) {
1185                 *mask = SBSC_MASK_DESKTOP_REMOVE;
1186         } else if (streq("desktop_swap", s)) {
1187                 *mask = SBSC_MASK_DESKTOP_SWAP;
1188         } else if (streq("desktop_transfer", s)) {
1189                 *mask = SBSC_MASK_DESKTOP_TRANSFER;
1190         } else if (streq("desktop_focus", s)) {
1191                 *mask = SBSC_MASK_DESKTOP_FOCUS;
1192         } else if (streq("desktop_layout", s)) {
1193                 *mask = SBSC_MASK_DESKTOP_LAYOUT;
1194         } else if (streq("desktop_state", s)) {
1195                 *mask = SBSC_MASK_DESKTOP_STATE;
1196         } else if (streq("monitor_add", s)) {
1197                 *mask = SBSC_MASK_MONITOR_ADD;
1198         } else if (streq("monitor_rename", s)) {
1199                 *mask = SBSC_MASK_MONITOR_RENAME;
1200         } else if (streq("monitor_remove", s)) {
1201                 *mask = SBSC_MASK_MONITOR_REMOVE;
1202         } else if (streq("monitor_focus", s)) {
1203                 *mask = SBSC_MASK_MONITOR_FOCUS;
1204         } else if (streq("monitor_resize", s)) {
1205                 *mask = SBSC_MASK_MONITOR_RESIZE;
1206         } else if (streq("report", s)) {
1207                 *mask = SBSC_MASK_REPORT;
1208         } else {
1209                 return false;
1210         }
1211         return true;
1212 }
1213
1214 bool parse_bool(char *value, bool *b)
1215 {
1216         if (streq("true", value) || streq("on", value)) {
1217                 *b = true;
1218                 return true;
1219         } else if (streq("false", value) || streq("off", value)) {
1220                 *b = false;
1221                 return true;
1222         }
1223         return false;
1224 }
1225
1226 bool parse_layout(char *s, layout_t *l)
1227 {
1228         if (streq("monocle", s)) {
1229                 *l = LAYOUT_MONOCLE;
1230                 return true;
1231         } else if (streq("tiled", s)) {
1232                 *l = LAYOUT_TILED;
1233                 return true;
1234         }
1235         return false;
1236 }
1237
1238 bool parse_direction(char *s, direction_t *d)
1239 {
1240         if (streq("right", s)) {
1241                 *d = DIR_RIGHT;
1242                 return true;
1243         } else if (streq("down", s)) {
1244                 *d = DIR_DOWN;
1245                 return true;
1246         } else if (streq("left", s)) {
1247                 *d = DIR_LEFT;
1248                 return true;
1249         } else if (streq("up", s)) {
1250                 *d = DIR_UP;
1251                 return true;
1252         }
1253         return false;
1254 }
1255
1256 bool parse_cycle_direction(char *s, cycle_dir_t *d)
1257 {
1258         if (streq("next", s)) {
1259                 *d = CYCLE_NEXT;
1260                 return true;
1261         } else if (streq("prev", s)) {
1262                 *d = CYCLE_PREV;
1263                 return true;
1264         }
1265         return false;
1266 }
1267
1268 bool parse_circulate_direction(char *s, circulate_dir_t *d)
1269 {
1270         if (streq("forward", s)) {
1271                 *d = CIRCULATE_FORWARD;
1272                 return true;
1273         } else if (streq("backward", s)) {
1274                 *d = CIRCULATE_BACKWARD;
1275                 return true;
1276         }
1277         return false;
1278 }
1279
1280 bool parse_history_direction(char *s, history_dir_t *d)
1281 {
1282         if (streq("older", s)) {
1283                 *d = HISTORY_OLDER;
1284                 return true;
1285         } else if (streq("newer", s)) {
1286                 *d = HISTORY_NEWER;
1287                 return true;
1288         }
1289         return false;
1290 }
1291
1292
1293 bool parse_flip(char *s, flip_t *f)
1294 {
1295         if (streq("horizontal", s)) {
1296                 *f = FLIP_HORIZONTAL;
1297                 return true;
1298         } else if (streq("vertical", s)) {
1299                 *f = FLIP_VERTICAL;
1300                 return true;
1301         }
1302         return false;
1303 }
1304
1305 bool parse_pointer_action(char *s, pointer_action_t *a)
1306 {
1307         if (streq("move", s)) {
1308                 *a = ACTION_MOVE;
1309                 return true;
1310         } else if (streq("resize_corner", s)) {
1311                 *a = ACTION_RESIZE_CORNER;
1312                 return true;
1313         } else if (streq("resize_side", s)) {
1314                 *a = ACTION_RESIZE_SIDE;
1315                 return true;
1316         } else if (streq("focus", s)) {
1317                 *a = ACTION_FOCUS;
1318                 return true;
1319         }
1320         return false;
1321 }
1322
1323 bool parse_child_polarity(char *s, child_polarity_t *p)
1324 {
1325         if (streq("first_child", s)) {
1326                 *p = FIRST_CHILD;
1327                 return true;
1328         } else if (streq("second_child", s)) {
1329                 *p = SECOND_CHILD;
1330                 return true;
1331         }
1332         return false;
1333 }
1334
1335 bool parse_degree(char *s, int *d)
1336 {
1337         int i = atoi(s);
1338         while (i < 0)
1339                 i += 360;
1340         while (i > 359)
1341                 i -= 360;
1342         if ((i % 90) != 0) {
1343                 return false;
1344         } else {
1345                 *d = i;
1346                 return true;
1347         }
1348 }
1349
1350 bool parse_window_id(char *s, long int *i)
1351 {
1352         char *end;
1353         errno = 0;
1354         long int ret = strtol(s, &end, 0);
1355         if (errno != 0 || *end != '\0')
1356                 return false;
1357         else
1358                 *i = ret;
1359         return true;
1360 }
1361
1362 bool parse_bool_declaration(char *s, char **key, bool *value, alter_state_t *state)
1363 {
1364         *key = strtok(s, EQL_TOK);
1365         char *v = strtok(NULL, EQL_TOK);
1366         if (v == NULL) {
1367                 *state = ALTER_TOGGLE;
1368                 return true;
1369         } else {
1370                 if (parse_bool(v, value)) {
1371                         *state = ALTER_SET;
1372                         return true;
1373                 } else {
1374                         return false;
1375                 }
1376         }
1377         return false;
1378 }
1379
1380 bool parse_index(char *s, int *i)
1381 {
1382         int idx;
1383         if (sscanf(s, "^%i", &idx) != 1 || idx < 1)
1384                 return false;
1385         *i = idx;
1386         return true;
1387 }