src/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 <stdio.h>
  26 #include <stdlib.h>
  27 #include <string.h>
  28 #include <stdbool.h>
  29 #include <stdarg.h>
  30 #include <inttypes.h>
  31 #include <unistd.h>
  32 #include "bspwm.h"
  33 #include "desktop.h"
  34 #include "monitor.h"
  35 #include "pointer.h"
  36 #include "query.h"
  37 #include "rule.h"
  38 #include "restore.h"
  39 #include "settings.h"
  40 #include "tree.h"
  41 #include "window.h"
  42 #include "common.h"
  43 #include "parse.h"
  44 #include "messages.h"
  45
  46 void handle_message(char *msg, int msg_len, FILE *rsp)
  47 {
  48         int cap = INIT_CAP;
  49         int num = 0;
  50         char **args = calloc(cap, sizeof(char *));
  51
  52         if (args == NULL) {
  53                 perror("Handle message: calloc");
  54                 return;
  55         }
  56
  57         for (int i = 0, j = 0; i < msg_len; i++) {
  58                 if (msg[i] == 0) {
  59                         args[num++] = msg + j;
  60                         j = i + 1;
  61                 }
  62                 if (num >= cap) {
  63                         cap *= 2;
  64                         char **new = realloc(args, cap * sizeof(char *));
  65                         if (new == NULL) {
  66                                 free(args);
  67                                 perror("Handle message: realloc");
  68                                 return;
  69                         } else {
  70                                 args = new;
  71                         }
  72                 }
  73         }
  74
  75         if (num < 1) {
  76                 free(args);
  77                 fail(rsp, "No arguments given.\n");
  78                 return;
  79         }
  80
  81         char **args_orig = args;
  82         process_message(args, num, rsp);
  83         free(args_orig);
  84 }
  85
  86 void process_message(char **args, int num, FILE *rsp)
  87 {
  88         if (streq("node", *args)) {
  89                 cmd_node(++args, --num, rsp);
  90         } else if (streq("desktop", *args)) {
  91                 cmd_desktop(++args, --num, rsp);
  92         } else if (streq("monitor", *args)) {
  93                 cmd_monitor(++args, --num, rsp);
  94         } else if (streq("query", *args)) {
  95                 cmd_query(++args, --num, rsp);
  96         } else if (streq("subscribe", *args)) {
  97                 cmd_subscribe(++args, --num, rsp);
  98                 return;
  99         } else if (streq("wm", *args)) {
 100                 cmd_wm(++args, --num, rsp);
 101         } else if (streq("rule", *args)) {
 102                 cmd_rule(++args, --num, rsp);
 103         } else if (streq("config", *args)) {
 104                 cmd_config(++args, --num, rsp);
 105         } else if (streq("quit", *args)) {
 106                 cmd_quit(++args, --num, rsp);
 107         } else {
 108                 fail(rsp, "Unknown domain or command: '%s'.\n", *args);
 109         }
 110
 111         fflush(rsp);
 112         fclose(rsp);
 113 }
 114
 115 void cmd_node(char **args, int num, FILE *rsp)
 116 {
 117         if (num < 1) {
 118                 fail(rsp, "node: Missing arguments.\n");
 119                 return;
 120         }
 121
 122         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
 123         coordinates_t trg = ref;
 124
 125         if ((*args)[0] != OPT_CHR) {
 126                 int ret;
 127                 if ((ret = node_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
 128                         num--, args++;
 129                 } else {
 130                         handle_failure(ret, "node", *args, rsp);
 131                         return;
 132                 }
 133         }
 134
 135         if (num < 1) {
 136                 fail(rsp, "node: Missing commands.\n");
 137                 return;
 138         }
 139
 140         bool changed = false;
 141
 142         while (num > 0) {
 143                 if (streq("-f", *args) || streq("--focus", *args)) {
 144                         coordinates_t dst = trg;
 145                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 146                                 num--, args++;
 147                                 int ret;
 148                                 if ((ret = node_from_desc(*args, &ref, &dst)) != SELECTOR_OK) {
 149                                         handle_failure(ret, "node -f", *args, rsp);
 150                                         break;
 151                                 }
 152                         }
 153                         if (dst.node == NULL || !focus_node(dst.monitor, dst.desktop, dst.node)) {
 154                                 fail(rsp, "");
 155                                 break;
 156                         }
 157                 } else if (streq("-a", *args) || streq("--activate", *args)) {
 158                         coordinates_t dst = trg;
 159                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 160                                 num--, args++;
 161                                 int ret;
 162                                 if ((ret = node_from_desc(*args, &ref, &dst)) != SELECTOR_OK) {
 163                                         handle_failure(ret, "node -a", *args, rsp);
 164                                         break;
 165                                 }
 166                         }
 167                         if (dst.node == NULL || !activate_node(dst.monitor, dst.desktop, dst.node)) {
 168                                 fail(rsp, "");
 169                                 break;
 170                         }
 171                 } else if (streq("-d", *args) || streq("--to-desktop", *args)) {
 172                         num--, args++;
 173                         if (num < 1) {
 174                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 175                                 break;
 176                         }
 177                         coordinates_t dst;
 178                         int ret;
 179                         if ((ret = desktop_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 180                                 bool follow = false;
 181                                 if (num > 1 && streq("--follow", *(args+1))) {
 182                                         follow = true;
 183                                         num--, args++;
 184                                 }
 185                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.desktop->focus, follow)) {
 186                                         trg.monitor = dst.monitor;
 187                                         trg.desktop = dst.desktop;
 188                                 } else {
 189                                         fail(rsp, "");
 190                                         break;
 191                                 }
 192                         } else {
 193                                 handle_failure(ret, "node -d", *args, rsp);
 194                                 break;
 195                         }
 196                 } else if (streq("-m", *args) || streq("--to-monitor", *args)) {
 197                         num--, args++;
 198                         if (num < 1) {
 199                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 200                                 break;
 201                         }
 202                         coordinates_t dst;
 203                         int ret;
 204                         if ((ret = monitor_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 205                                 bool follow = false;
 206                                 if (num > 1 && streq("--follow", *(args+1))) {
 207                                         follow = true;
 208                                         num--, args++;
 209                                 }
 210                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.monitor->desk, dst.monitor->desk->focus, follow)) {
 211                                         trg.monitor = dst.monitor;
 212                                         trg.desktop = dst.monitor->desk;
 213                                 } else {
 214                                         fail(rsp, "");
 215                                         break;
 216                                 }
 217                         } else {
 218                                 handle_failure(ret, "node -m", *args, rsp);
 219                                 break;
 220                         }
 221                 } else if (streq("-n", *args) || streq("--to-node", *args)) {
 222                         num--, args++;
 223                         if (num < 1) {
 224                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 225                                 break;
 226                         }
 227                         coordinates_t dst;
 228                         int ret;
 229                         if ((ret = node_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 230                                 bool follow = false;
 231                                 if (num > 1 && streq("--follow", *(args+1))) {
 232                                         follow = true;
 233                                         num--, args++;
 234                                 }
 235                                 if (transfer_node(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node, follow)) {
 236                                         trg.monitor = dst.monitor;
 237                                         trg.desktop = dst.desktop;
 238                                 } else {
 239                                         fail(rsp, "");
 240                                         break;
 241                                 }
 242                         } else {
 243                                 handle_failure(ret, "node -n", *args, rsp);
 244                                 break;
 245                         }
 246                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 247                         num--, args++;
 248                         if (num < 1) {
 249                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 250                                 break;
 251                         }
 252                         coordinates_t dst;
 253                         int ret;
 254                         if ((ret = node_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 255                                 bool follow = false;
 256                                 if (num > 1 && streq("--follow", *(args+1))) {
 257                                         follow = true;
 258                                         num--, args++;
 259                                 }
 260                                 if (swap_nodes(trg.monitor, trg.desktop, trg.node, dst.monitor, dst.desktop, dst.node, follow)) {
 261                                         trg.monitor = dst.monitor;
 262                                         trg.desktop = dst.desktop;
 263                                 } else {
 264                                         fail(rsp, "");
 265                                         break;
 266                                 }
 267                         } else {
 268                                 handle_failure(ret, "node -s", *args, rsp);
 269                                 break;
 270                         }
 271                 } else if (streq("-l", *args) || streq("--layer", *args)) {
 272                         num--, args++;
 273                         if (num < 1) {
 274                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 275                                 break;
 276                         }
 277                         stack_layer_t lyr;
 278                         if (parse_stack_layer(*args, &lyr)) {
 279                                 if (!set_layer(trg.monitor, trg.desktop, trg.node, lyr)) {
 280                                         fail(rsp, "");
 281                                         break;
 282                                 }
 283                         } else {
 284                                 fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 285                                 break;
 286                         }
 287                 } else if (streq("-t", *args) || streq("--state", *args)) {
 288                         num--, args++;
 289                         if (num < 1) {
 290                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 291                                 break;
 292                         }
 293                         client_state_t cst;
 294                         bool alternate = false;
 295                         if ((*args)[0] == '~') {
 296                                 alternate = true;
 297                                 (*args)++;
 298                         }
 299                         if (parse_client_state(*args, &cst)) {
 300                                 if (alternate && trg.node != NULL && trg.node->client != NULL &&
 301                                     trg.node->client->state == cst) {
 302                                         cst = trg.node->client->last_state;
 303                                 }
 304                                 if (!set_state(trg.monitor, trg.desktop, trg.node, cst)) {
 305                                         fail(rsp, "");
 306                                         break;
 307                                 }
 308                                 changed = true;
 309                         } else {
 310                                 fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 311                                 break;
 312                         }
 313                 } else if (streq("-g", *args) || streq("--flag", *args)) {
 314                         num--, args++;
 315                         if (num < 1) {
 316                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 317                                 break;
 318                         }
 319                         if (trg.node == NULL) {
 320                                 fail(rsp, "");
 321                                 break;
 322                         }
 323                         char *key = strtok(*args, EQL_TOK);
 324                         char *val = strtok(NULL, EQL_TOK);
 325                         alter_state_t a;
 326                         bool b;
 327                         if (val == NULL) {
 328                                 a = ALTER_TOGGLE;
 329                         } else {
 330                                 if (parse_bool(val, &b)) {
 331                                         a = ALTER_SET;
 332                                 } else {
 333                                         fail(rsp, "node %s: Invalid value for %s: '%s'.\n", *(args - 1), key, val);
 334                                         break;
 335                                 }
 336                         }
 337                         if (streq("hidden", key)) {
 338                                 set_hidden(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->hidden));
 339                                 changed = true;
 340                         } else if (streq("sticky", key)) {
 341                                 set_sticky(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->sticky));
 342                         } else if (streq("private", key)) {
 343                                 set_private(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->private));
 344                         } else if (streq("locked", key)) {
 345                                 set_locked(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->locked));
 346                         } else if (streq("marked", key)) {
 347                                 set_marked(trg.monitor, trg.desktop, trg.node, (a == ALTER_SET ? b : !trg.node->marked));
 348                         } else {
 349                                 fail(rsp, "node %s: Invalid key: '%s'.\n", *(args - 1), key);
 350                                 break;
 351                         }
 352                 } else if (streq("-p", *args) || streq("--presel-dir", *args)) {
 353                         num--, args++;
 354                         if (num < 1) {
 355                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 356                                 break;
 357                         }
 358                         if (trg.node == NULL || trg.node->vacant) {
 359                                 fail(rsp, "");
 360                                 break;
 361                         }
 362                         if (streq("cancel", *args)) {
 363                                 cancel_presel(trg.monitor, trg.desktop, trg.node);
 364                         } else {
 365                                 bool alternate = false;
 366                                 if ((*args)[0] == '~') {
 367                                         alternate = true;
 368                                         (*args)++;
 369                                 }
 370                                 direction_t dir;
 371                                 if (parse_direction(*args, &dir)) {
 372                                         if (alternate && trg.node->presel != NULL && trg.node->presel->split_dir == dir) {
 373                                                 cancel_presel(trg.monitor, trg.desktop, trg.node);
 374                                         } else {
 375                                                 presel_dir(trg.monitor, trg.desktop, trg.node, dir);
 376                                                 if (!IS_RECEPTACLE(trg.node)) {
 377                                                         draw_presel_feedback(trg.monitor, trg.desktop, trg.node);
 378                                                 }
 379                                         }
 380                                 } else {
 381                                         fail(rsp, "node %s: Invalid argument: '%s%s'.\n", *(args - 1), alternate?"~":"", *args);
 382                                         break;
 383                                 }
 384                         }
 385                 } else if (streq("-o", *args) || streq("--presel-ratio", *args)) {
 386                         num--, args++;
 387                         if (num < 1) {
 388                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 389                                 break;
 390                         }
 391                         if (trg.node == NULL || trg.node->vacant) {
 392                                 fail(rsp, "");
 393                                 break;
 394                         }
 395                         double rat;
 396                         if (sscanf(*args, "%lf", &rat) != 1 || rat <= 0 || rat >= 1) {
 397                                 fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 398                                 break;
 399                         } else {
 400                                 presel_ratio(trg.monitor, trg.desktop, trg.node, rat);
 401                                 draw_presel_feedback(trg.monitor, trg.desktop, trg.node);
 402                         }
 403                 } else if (streq("-v", *args) || streq("--move", *args)) {
 404                         num--, args++;
 405                         if (num < 2) {
 406                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 407                                 break;
 408                         }
 409                         int dx = 0, dy = 0;
 410                         if (sscanf(*args, "%i", &dx) == 1) {
 411                                 num--, args++;
 412                                 if (sscanf(*args, "%i", &dy) == 1) {
 413                                         if (!move_client(&trg, dx, dy)) {
 414                                                 fail(rsp, "");
 415                                                 break;
 416                                         }
 417                                 } else {
 418                                         fail(rsp, "node %s: Invalid dy argument: '%s'.\n", *(args - 3), *args);
 419                                         break;
 420                                 }
 421                         } else {
 422                                 fail(rsp, "node %s: Invalid dx argument: '%s'.\n", *(args - 2), *args);
 423                                 break;
 424                         }
 425                 } else if (streq("-z", *args) || streq("--resize", *args)) {
 426                         num--, args++;
 427                         if (num < 3) {
 428                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 429                                 break;
 430                         }
 431                         resize_handle_t rh;
 432                         if (parse_resize_handle(*args, &rh)) {
 433                                 num--, args++;
 434                                 int dx = 0, dy = 0;
 435                                 if (sscanf(*args, "%i", &dx) == 1) {
 436                                         num--, args++;
 437                                         if (sscanf(*args, "%i", &dy) == 1) {
 438                                                 if (!resize_client(&trg, rh, dx, dy, true)) {
 439                                                         fail(rsp, "");
 440                                                         break;
 441                                                 }
 442                                         } else {
 443                                                 fail(rsp, "node %s: Invalid dy argument: '%s'.\n", *(args - 3), *args);
 444                                                 break;
 445                                         }
 446                                 } else {
 447                                         fail(rsp, "node %s: Invalid dx argument: '%s'.\n", *(args - 2), *args);
 448                                         break;
 449                                 }
 450                         } else {
 451                                 fail(rsp, "node %s: Invalid resize handle argument: '%s'.\n", *(args - 1), *args);
 452                                 break;
 453                         }
 454                 } else if (streq("-r", *args) || streq("--ratio", *args)) {
 455                         num--, args++;
 456                         if (num < 1) {
 457                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 458                                 break;
 459                         }
 460                         if (trg.node == NULL) {
 461                                 fail(rsp, "");
 462                                 break;
 463                         }
 464                         if ((*args)[0] == '+' || (*args)[0] == '-') {
 465                                 float delta;
 466                                 if (sscanf(*args, "%f", &delta) == 1) {
 467                                         double rat = trg.node->split_ratio;
 468                                         if (delta > -1 && delta < 1) {
 469                                                 rat += delta;
 470                                         } else {
 471                                                 int max = (trg.node->split_type == TYPE_HORIZONTAL ? trg.node->rectangle.height : trg.node->rectangle.width);
 472                                                 rat = ((max * rat) + delta) / max;
 473                                         }
 474                                         if (rat > 0 && rat < 1) {
 475                                                 set_ratio(trg.node, rat);
 476                                         } else {
 477                                                 fail(rsp, "");
 478                                                 break;
 479                                         }
 480                                 } else {
 481                                         fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 482                                         break;
 483                                 }
 484                         } else {
 485                                 double rat;
 486                                 if (sscanf(*args, "%lf", &rat) == 1 && rat > 0 && rat < 1) {
 487                                         set_ratio(trg.node, rat);
 488                                 } else {
 489                                         fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 490                                         break;
 491                                 }
 492                         }
 493                         changed = true;
 494                 } else if (streq("-F", *args) || streq("--flip", *args)) {
 495                         num--, args++;
 496                         if (num < 1) {
 497                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 498                                 break;
 499                         }
 500                         if (trg.node == NULL) {
 501                                 fail(rsp, "");
 502                                 break;
 503                         }
 504                         flip_t flp;
 505                         if (parse_flip(*args, &flp)) {
 506                                 flip_tree(trg.node, flp);
 507                                 changed = true;
 508                         } else {
 509                                 fail(rsp, "");
 510                                 break;
 511                         }
 512                 } else if (streq("-R", *args) || streq("--rotate", *args)) {
 513                         num--, args++;
 514                         if (num < 1) {
 515                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 516                                 break;
 517                         }
 518                         if (trg.node == NULL) {
 519                                 fail(rsp, "");
 520                                 break;
 521                         }
 522                         int deg;
 523                         if (parse_degree(*args, &deg)) {
 524                                 rotate_tree(trg.node, deg);
 525                                 changed = true;
 526                         } else {
 527                                 fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 528                                 break;
 529                         }
 530                 } else if (streq("-E", *args) || streq("--equalize", *args)) {
 531                         if (trg.node == NULL) {
 532                                 fail(rsp, "");
 533                                 break;
 534                         }
 535                         equalize_tree(trg.node);
 536                         changed = true;
 537                 } else if (streq("-B", *args) || streq("--balance", *args)) {
 538                         if (trg.node == NULL) {
 539                                 fail(rsp, "");
 540                                 break;
 541                         }
 542                         balance_tree(trg.node);
 543                         changed = true;
 544                 } else if (streq("-C", *args) || streq("--circulate", *args)) {
 545                         num--, args++;
 546                         if (num < 1) {
 547                                 fail(rsp, "node %s: Not enough arguments.\n", *(args - 1));
 548                                 break;
 549                         }
 550                         if (trg.node == NULL) {
 551                                 fail(rsp, "");
 552                                 break;
 553                         }
 554                         circulate_dir_t cir;
 555                         if (parse_circulate_direction(*args, &cir)) {
 556                                 circulate_leaves(trg.monitor, trg.desktop, trg.node, cir);
 557                                 changed = true;
 558                         } else {
 559                                 fail(rsp, "node %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 560                                 break;
 561                         }
 562                 } else if (streq("-i", *args) || streq("--insert-receptacle", *args)) {
 563                         insert_receptacle(trg.monitor, trg.desktop, trg.node);
 564                         changed = true;
 565                 } else if (streq("-c", *args) || streq("--close", *args)) {
 566                         if (num > 1) {
 567                                 fail(rsp, "node %s: Trailing commands.\n", *args);
 568                                 break;
 569                         }
 570                         if (trg.node == NULL || locked_count(trg.node) > 0) {
 571                                 fail(rsp, "");
 572                                 break;
 573                         }
 574                         close_node(trg.node);
 575                         break;
 576                 } else if (streq("-k", *args) || streq("--kill", *args)) {
 577                         if (num > 1) {
 578                                 fail(rsp, "node %s: Trailing commands.\n", *args);
 579                                 break;
 580                         }
 581                         if (trg.node == NULL) {
 582                                 fail(rsp, "");
 583                                 break;
 584                         }
 585                         kill_node(trg.monitor, trg.desktop, trg.node);
 586                         changed = true;
 587                         break;
 588                 } else {
 589                         fail(rsp, "node: Unknown command: '%s'.\n", *args);
 590                         break;
 591                 }
 592
 593                 num--, args++;
 594         }
 595
 596         if (changed) {
 597                 arrange(trg.monitor, trg.desktop);
 598         }
 599 }
 600
 601 void cmd_desktop(char **args, int num, FILE *rsp)
 602 {
 603         if (num < 1) {
 604                 fail(rsp, "desktop: Missing arguments.\n");
 605                 return;
 606         }
 607
 608         coordinates_t ref = {mon, mon->desk, NULL};
 609         coordinates_t trg = ref;
 610
 611         if ((*args)[0] != OPT_CHR) {
 612                 int ret;
 613                 if ((ret = desktop_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
 614                         num--, args++;
 615                 } else {
 616                         handle_failure(ret, "desktop", *args, rsp);
 617                         return;
 618                 }
 619         }
 620
 621         if (num < 1) {
 622                 fail(rsp, "desktop: Missing commands.\n");
 623                 return;
 624         }
 625
 626         bool changed = false;
 627
 628         while (num > 0) {
 629                 if (streq("-f", *args) || streq("--focus", *args)) {
 630                         coordinates_t dst = trg;
 631                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 632                                 num--, args++;
 633                                 int ret;
 634                                 if ((ret = desktop_from_desc(*args, &ref, &dst)) != SELECTOR_OK) {
 635                                         handle_failure(ret, "desktop -f", *args, rsp);
 636                                         break;
 637                                 }
 638                         }
 639                         focus_node(dst.monitor, dst.desktop, NULL);
 640                 } else if (streq("-a", *args) || streq("--activate", *args)) {
 641                         coordinates_t dst = trg;
 642                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 643                                 num--, args++;
 644                                 int ret;
 645                                 if ((ret = desktop_from_desc(*args, &ref, &dst)) != SELECTOR_OK) {
 646                                         handle_failure(ret, "desktop -a", *args, rsp);
 647                                         break;
 648                                 }
 649                         }
 650                         if (activate_desktop(dst.monitor, dst.desktop)) {
 651                                 activate_node(dst.monitor, dst.desktop, NULL);
 652                         } else {
 653                                 fail(rsp, "");
 654                                 break;
 655                         }
 656                 } else if (streq("-m", *args) || streq("--to-monitor", *args)) {
 657                         num--, args++;
 658                         if (num < 1) {
 659                                 fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
 660                                 break;
 661                         }
 662                         if (trg.monitor->desk_head == trg.monitor->desk_tail) {
 663                                 fail(rsp, "");
 664                                 break;
 665                         }
 666                         coordinates_t dst;
 667                         int ret;
 668                         if ((ret = monitor_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 669                                 bool follow = false;
 670                                 if (num > 1 && streq("--follow", *(args+1))) {
 671                                         follow = true;
 672                                         num--, args++;
 673                                 }
 674                                 if (transfer_desktop(trg.monitor, dst.monitor, trg.desktop, follow)) {
 675                                         trg.monitor = dst.monitor;
 676                                 } else {
 677                                         fail(rsp, "");
 678                                         break;
 679                                 }
 680                         } else {
 681                                 handle_failure(ret, "desktop -m", *args, rsp);
 682                                 break;
 683                         }
 684                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 685                         num--, args++;
 686                         if (num < 1) {
 687                                 fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
 688                                 break;
 689                         }
 690                         coordinates_t dst;
 691                         int ret;
 692                         if ((ret = desktop_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 693                                 bool follow = false;
 694                                 if (num > 1 && streq("--follow", *(args+1))) {
 695                                         follow = true;
 696                                         num--, args++;
 697                                 }
 698                                 if (swap_desktops(trg.monitor, trg.desktop, dst.monitor, dst.desktop, follow)) {
 699                                         trg.monitor = dst.monitor;
 700                                 } else {
 701                                         fail(rsp, "");
 702                                         break;
 703                                 }
 704                         } else {
 705                                 handle_failure(ret, "desktop -s", *args, rsp);
 706                                 break;
 707                         }
 708                 } else if (streq("-b", *args) || streq("--bubble", *args)) {
 709                         num--, args++;
 710                         if (num < 1) {
 711                                 fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
 712                                 break;
 713                         }
 714                         cycle_dir_t cyc;
 715                         if (parse_cycle_direction(*args, &cyc)) {
 716                                 desktop_t *d = trg.desktop;
 717                                 if (cyc == CYCLE_PREV) {
 718                                         if (d->prev == NULL) {
 719                                                 while (d->next != NULL) {
 720                                                         swap_desktops(trg.monitor, d, trg.monitor, d->next, false);
 721                                                 }
 722                                         } else {
 723                                                 swap_desktops(trg.monitor, d, trg.monitor, d->prev, false);
 724                                         }
 725                                 } else {
 726                                         if (d->next == NULL) {
 727                                                 while (d->prev != NULL) {
 728                                                         swap_desktops(trg.monitor, d, trg.monitor, d->prev, false);
 729                                                 }
 730                                         } else {
 731                                                 swap_desktops(trg.monitor, d, trg.monitor, d->next, false);
 732                                         }
 733                                 }
 734                         } else {
 735                                 fail(rsp, "desktop %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 736                                 break;
 737                         }
 738                 } else if (streq("-l", *args) || streq("--layout", *args)) {
 739                         num--, args++;
 740                         if (num < 1) {
 741                                 fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
 742                                 break;
 743                         }
 744                         bool ret;
 745                         layout_t lyt;
 746                         cycle_dir_t cyc;
 747                         if (parse_cycle_direction(*args, &cyc)) {
 748                                 ret = set_layout(trg.monitor, trg.desktop, (trg.desktop->user_layout + 1) % 2, true);
 749                         } else if (parse_layout(*args, &lyt)) {
 750                                 ret = set_layout(trg.monitor, trg.desktop, lyt, true);
 751                         } else {
 752                                 fail(rsp, "desktop %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 753                                 break;
 754                         }
 755                         if (!ret) {
 756                                 fail(rsp, "");
 757                                 break;
 758                         }
 759                 } else if (streq("-n", *args) || streq("--rename", *args)) {
 760                         num--, args++;
 761                         if (num < 1) {
 762                                 fail(rsp, "desktop %s: Not enough arguments.\n", *(args - 1));
 763                                 break;
 764                         }
 765                         rename_desktop(trg.monitor, trg.desktop, *args);
 766                 } else if (streq("-r", *args) || streq("--remove", *args)) {
 767                         if (num > 1) {
 768                                 fail(rsp, "desktop %s: Trailing commands.\n", *args);
 769                                 break;
 770                         }
 771                         if (trg.monitor->desk_head != trg.monitor->desk_tail) {
 772                                 desktop_t *fallback = trg.desktop->prev == NULL ?
 773                                                       trg.desktop->next :
 774                                                       trg.desktop->prev;
 775                                 merge_desktops(trg.monitor, trg.desktop, trg.monitor, fallback);
 776                                 remove_desktop(trg.monitor, trg.desktop);
 777                                 return;
 778                         } else {
 779                                 fail(rsp, "");
 780                                 break;
 781                         }
 782                 } else {
 783                         fail(rsp, "desktop: Unknown command: '%s'.\n", *args);
 784                         break;
 785                 }
 786                 num--, args++;
 787         }
 788
 789         if (changed) {
 790                 arrange(trg.monitor, trg.desktop);
 791         }
 792 }
 793
 794 void cmd_monitor(char **args, int num, FILE *rsp)
 795 {
 796         if (num < 1) {
 797                 fail(rsp, "monitor: Missing arguments.\n");
 798                 return;
 799         }
 800
 801         coordinates_t ref = {mon, NULL, NULL};
 802         coordinates_t trg = ref;
 803
 804         if ((*args)[0] != OPT_CHR) {
 805                 int ret;
 806                 if ((ret = monitor_from_desc(*args, &ref, &trg)) == SELECTOR_OK) {
 807                         num--, args++;
 808                 } else {
 809                         handle_failure(ret, "monitor", *args, rsp);
 810                         return;
 811                 }
 812         }
 813
 814         if (num < 1) {
 815                 fail(rsp, "monitor: Missing commands.\n");
 816                 return;
 817         }
 818
 819         while (num > 0) {
 820                 if (streq("-f", *args) || streq("--focus", *args)) {
 821                         coordinates_t dst = trg;
 822                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 823                                 num--, args++;
 824                                 int ret;
 825                                 if ((ret = monitor_from_desc(*args, &ref, &dst)) != SELECTOR_OK) {
 826                                         handle_failure(ret, "monitor -f", *args, rsp);
 827                                         fail(rsp, "");
 828                                         return;
 829                                 }
 830                         }
 831                         focus_node(dst.monitor, NULL, NULL);
 832                 } else if (streq("-s", *args) || streq("--swap", *args)) {
 833                         num--, args++;
 834                         if (num < 1) {
 835                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 836                                 return;
 837                         }
 838                         coordinates_t dst;
 839                         int ret;
 840                         if ((ret = monitor_from_desc(*args, &ref, &dst)) == SELECTOR_OK) {
 841                                 if (!swap_monitors(trg.monitor, dst.monitor)) {
 842                                         fail(rsp, "");
 843                                         return;
 844                                 }
 845                         } else {
 846                                 handle_failure(ret, "monitor -s", *args, rsp);
 847                                 return;
 848                         }
 849                 } else if (streq("-d", *args) || streq("--reset-desktops", *args)) {
 850                         num--, args++;
 851                         if (num < 1) {
 852                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 853                                 return;
 854                         }
 855                         desktop_t *d = trg.monitor->desk_head;
 856                         while (num > 0 && d != NULL) {
 857                                 rename_desktop(trg.monitor, d, *args);
 858                                 d = d->next;
 859                                 num--, args++;
 860                         }
 861                         put_status(SBSC_MASK_REPORT);
 862                         while (num > 0) {
 863                                 add_desktop(trg.monitor, make_desktop(*args, XCB_NONE));
 864                                 num--, args++;
 865                         }
 866                         while (d != NULL) {
 867                                 desktop_t *next = d->next;
 868                                 if (d == mon->desk) {
 869                                         focus_node(trg.monitor, d->prev, d->prev->focus);
 870                                 }
 871                                 merge_desktops(trg.monitor, d, mon, mon->desk);
 872                                 remove_desktop(trg.monitor, d);
 873                                 d = next;
 874                         }
 875                 } else if (streq("-a", *args) || streq("--add-desktops", *args)) {
 876                         num--, args++;
 877                         if (num < 1) {
 878                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 879                                 return;
 880                         }
 881                         while (num > 0) {
 882                                 add_desktop(trg.monitor, make_desktop(*args, XCB_NONE));
 883                                 num--, args++;
 884                         }
 885                 } else if (streq("-r", *args) || streq("--remove", *args)) {
 886                         if (num > 1) {
 887                                 fail(rsp, "monitor %s: Trailing commands.\n", *args);
 888                                 return;
 889                         }
 890                         if (mon_head == mon_tail) {
 891                                 fail(rsp, "");
 892                                 return;
 893                         }
 894                         remove_monitor(trg.monitor);
 895                         return;
 896                 } else if (streq("-o", *args) || streq("--reorder-desktops", *args)) {
 897                         num--, args++;
 898                         if (num < 1) {
 899                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 900                                 return;
 901                         }
 902                         desktop_t *d = trg.monitor->desk_head;
 903                         while (d != NULL && num > 0) {
 904                                 desktop_t *next = d->next;
 905                                 coordinates_t dst;
 906                                 if (locate_desktop(*args, &dst) && dst.monitor == trg.monitor) {
 907                                         swap_desktops(trg.monitor, d, dst.monitor, dst.desktop, false);
 908                                         if (next == dst.desktop) {
 909                                                 next = d;
 910                                         }
 911                                 }
 912                                 d = next;
 913                                 num--, args++;
 914                         }
 915                 } else if (streq("-g", *args) || streq("--rectangle", *args)) {
 916                         num--, args++;
 917                         if (num < 1) {
 918                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 919                                 return;
 920                         }
 921                         xcb_rectangle_t r;
 922                         if (parse_rectangle(*args, &r)) {
 923                                 update_root(trg.monitor, &r);
 924                         } else {
 925                                 fail(rsp, "monitor %s: Invalid argument: '%s'.\n", *(args - 1), *args);
 926                                 return;
 927                         }
 928                 } else if (streq("-n", *args) || streq("--rename", *args)) {
 929                         num--, args++;
 930                         if (num < 1) {
 931                                 fail(rsp, "monitor %s: Not enough arguments.\n", *(args - 1));
 932                                 return;
 933                         }
 934                         rename_monitor(trg.monitor, *args);
 935                 } else {
 936                         fail(rsp, "monitor: Unknown command: '%s'.\n", *args);
 937                         return;
 938                 }
 939                 num--, args++;
 940         }
 941 }
 942
 943 void cmd_query(char **args, int num, FILE *rsp)
 944 {
 945         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
 946         coordinates_t trg = {NULL, NULL, NULL};
 947         monitor_select_t *monitor_sel = NULL;
 948         desktop_select_t *desktop_sel = NULL;
 949         node_select_t *node_sel = NULL;
 950         domain_t dom = DOMAIN_TREE;
 951         bool print_ids = true;
 952         uint8_t d = 0;
 953
 954         if (num < 1) {
 955                 fail(rsp, "query: Missing arguments.\n");
 956                 return;
 957         }
 958
 959         while (num > 0) {
 960                 if (streq("-T", *args) || streq("--tree", *args)) {
 961                         dom = DOMAIN_TREE, d++;
 962                 } else if (streq("-M", *args) || streq("--monitors", *args)) {
 963                         dom = DOMAIN_MONITOR, d++;
 964                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 965                                 num--, args++;
 966                                 int ret;
 967                                 coordinates_t tmp = ref;
 968                                 ref.desktop = NULL;
 969                                 ref.node = NULL;
 970                                 if ((ret = monitor_from_desc(*args, &tmp, &ref)) != SELECTOR_OK) {
 971                                         handle_failure(ret, "query -M", *args, rsp);
 972                                         goto end;
 973                                 }
 974                         }
 975                 } else if (streq("-D", *args) || streq("--desktops", *args)) {
 976                         dom = DOMAIN_DESKTOP, d++;
 977                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 978                                 num--, args++;
 979                                 int ret;
 980                                 coordinates_t tmp = ref;
 981                                 ref.node = NULL;
 982                                 if ((ret = desktop_from_desc(*args, &tmp, &ref)) != SELECTOR_OK) {
 983                                         handle_failure(ret, "query -D", *args, rsp);
 984                                         goto end;
 985                                 }
 986                         }
 987                 } else if (streq("-N", *args) || streq("--nodes", *args)) {
 988                         dom = DOMAIN_NODE, d++;
 989                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
 990                                 num--, args++;
 991                                 int ret;
 992                                 coordinates_t tmp = ref;
 993                                 if ((ret = node_from_desc(*args, &tmp, &ref)) != SELECTOR_OK) {
 994                                         handle_failure(ret, "query -N", *args, rsp);
 995                                         goto end;
 996                                 }
 997                         }
 998                 } else if (streq("-m", *args) || streq("--monitor", *args)) {
 999                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
1000                                 num--, args++;
1001                                 int ret;
1002                                 if ((*args)[0] == '.') {
1003                                         free(monitor_sel);
1004                                         monitor_sel = malloc(sizeof(monitor_select_t));
1005                                         *monitor_sel = make_monitor_select();
1006                                         char *desc = copy_string(*args, strlen(*args));
1007                                         if (!parse_monitor_modifiers(desc, monitor_sel)) {
1008                                                 handle_failure(SELECTOR_BAD_MODIFIERS, "query -m", *args, rsp);
1009                                                 free(desc);
1010                                                 goto end;
1011                                         }
1012                                         free(desc);
1013                                 } else if ((ret = monitor_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1014                                         handle_failure(ret, "query -m", *args, rsp);
1015                                         goto end;
1016                                 }
1017                         } else {
1018                                 trg.monitor = ref.monitor;
1019                         }
1020                 } else if (streq("-d", *args) || streq("--desktop", *args)) {
1021                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
1022                                 num--, args++;
1023                                 int ret;
1024                                 if ((*args)[0] == '.') {
1025                                         free(desktop_sel);
1026                                         desktop_sel = malloc(sizeof(desktop_select_t));
1027                                         *desktop_sel = make_desktop_select();
1028                                         char *desc = copy_string(*args, strlen(*args));
1029                                         if (!parse_desktop_modifiers(desc, desktop_sel)) {
1030                                                 handle_failure(SELECTOR_BAD_MODIFIERS, "query -d", *args, rsp);
1031                                                 free(desc);
1032                                                 goto end;
1033                                         }
1034                                         free(desc);
1035                                 } else if ((ret = desktop_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1036                                         handle_failure(ret, "query -d", *args, rsp);
1037                                         goto end;
1038                                 }
1039                         } else {
1040                                 trg.monitor = ref.monitor;
1041                                 trg.desktop = ref.desktop;
1042                         }
1043                 } else if (streq("-n", *args) || streq("--node", *args)) {
1044                         if (num > 1 && *(args + 1)[0] != OPT_CHR) {
1045                                 num--, args++;
1046                                 int ret;
1047                                 if ((*args)[0] == '.') {
1048                                         free(node_sel);
1049                                         node_sel = malloc(sizeof(node_select_t));
1050                                         *node_sel = make_node_select();
1051                                         char *desc = copy_string(*args, strlen(*args));
1052                                         if (!parse_node_modifiers(desc, node_sel)) {
1053                                                 handle_failure(SELECTOR_BAD_MODIFIERS, "query -n", *args, rsp);
1054                                                 free(desc);
1055                                                 goto end;
1056                                         }
1057                                         free(desc);
1058                                 } else if ((ret = node_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1059                                         handle_failure(ret, "query -n", *args, rsp);
1060                                         goto end;
1061                                 }
1062                         } else {
1063                                 trg = ref;
1064                                 if (ref.node == NULL) {
1065                                         fail(rsp, "");
1066                                         goto end;
1067                                 }
1068                         }
1069                 } else if (streq("--names", *args)) {
1070                         print_ids = false;
1071                 } else {
1072                         fail(rsp, "query: Unknown option: '%s'.\n", *args);
1073                         goto end;
1074                 }
1075                 num--, args++;
1076         }
1077
1078         if (d < 1) {
1079                 fail(rsp, "query: No commands given.\n");
1080                 goto end;
1081         }
1082
1083         if (d > 1) {
1084                 fail(rsp, "query: Multiple commands given.\n");
1085                 goto end;
1086         }
1087
1088         if (dom == DOMAIN_TREE && trg.monitor == NULL) {
1089                 fail(rsp, "query -T: No options given.\n");
1090                 goto end;
1091         }
1092
1093         if (!print_ids && (dom == DOMAIN_NODE || dom == DOMAIN_TREE)) {
1094                 fail(rsp, "query -%c: --names only applies to -M and -D.\n", dom == DOMAIN_NODE ? 'N' : 'T');
1095                 goto end;
1096         }
1097
1098         if (dom == DOMAIN_NODE) {
1099                 if (query_node_ids(&ref, &trg, node_sel, rsp) < 1) {
1100                         fail(rsp, "");
1101                 }
1102         } else if (dom == DOMAIN_DESKTOP) {
1103                 if (query_desktop_ids(&ref, &trg, desktop_sel, print_ids ? fprint_desktop_id : fprint_desktop_name, rsp) < 1) {
1104                         fail(rsp, "");
1105                 }
1106         } else if (dom == DOMAIN_MONITOR) {
1107                 if (query_monitor_ids(&ref, &trg, monitor_sel, print_ids ? fprint_monitor_id : fprint_monitor_name, rsp) < 1) {
1108                         fail(rsp, "");
1109                 }
1110         } else {
1111                 if (trg.node != NULL) {
1112                         query_node(trg.node, rsp);
1113                 } else if (trg.desktop != NULL) {
1114                         query_desktop(trg.desktop, rsp);
1115                 } else  {
1116                         query_monitor(trg.monitor, rsp);
1117                 }
1118                 fprintf(rsp, "\n");
1119         }
1120
1121 end:
1122         free(monitor_sel);
1123         free(desktop_sel);
1124         free(node_sel);
1125 }
1126
1127 void cmd_rule(char **args, int num, FILE *rsp)
1128 {
1129         if (num < 1) {
1130                 fail(rsp, "rule: Missing commands.\n");
1131                 return;
1132         }
1133
1134         while (num > 0) {
1135                 if (streq("-a", *args) || streq("--add", *args)) {
1136                         num--, args++;
1137                         if (num < 2) {
1138                                 fail(rsp, "rule %s: Not enough arguments.\n", *(args - 1));
1139                                 return;
1140                         }
1141                         rule_t *rule = make_rule();
1142                         char *class_name = strtok(*args, COL_TOK);
1143                         char *instance_name = strtok(NULL, COL_TOK);
1144                         char *name = strtok(NULL, COL_TOK);
1145                         snprintf(rule->class_name, sizeof(rule->class_name), "%s", class_name);
1146                         snprintf(rule->instance_name, sizeof(rule->instance_name), "%s", instance_name==NULL?MATCH_ANY:instance_name);
1147                         snprintf(rule->name, sizeof(rule->name), "%s", name==NULL?MATCH_ANY:name);
1148                         num--, args++;
1149                         size_t i = 0;
1150                         while (num > 0) {
1151                                 if (streq("-o", *args) || streq("--one-shot", *args)) {
1152                                         rule->one_shot = true;
1153                                 } else {
1154                                         for (size_t j = 0; i < sizeof(rule->effect) && j < strlen(*args); i++, j++) {
1155                                                 rule->effect[i] = (*args)[j];
1156                                         }
1157                                         if (num > 1 && i < sizeof(rule->effect)) {
1158                                                 rule->effect[i++] = ' ';
1159                                         }
1160                                 }
1161                                 num--, args++;
1162                         }
1163                         rule->effect[MIN(i, sizeof(rule->effect) - 1)] = '\0';
1164                         add_rule(rule);
1165                 } else if (streq("-r", *args) || streq("--remove", *args)) {
1166                         num--, args++;
1167                         if (num < 1) {
1168                                 fail(rsp, "rule %s: Not enough arguments.\n", *(args - 1));
1169                                 return;
1170                         }
1171                         uint16_t idx;
1172                         while (num > 0) {
1173                                 if (parse_index(*args, &idx)) {
1174                                         remove_rule_by_index(idx - 1);
1175                                 } else if (streq("tail", *args)) {
1176                                         remove_rule(rule_tail);
1177                                 } else if (streq("head", *args)) {
1178                                         remove_rule(rule_head);
1179                                 } else {
1180                                         remove_rule_by_cause(*args);
1181                                 }
1182                                 num--, args++;
1183                         }
1184                 } else if (streq("-l", *args) || streq("--list", *args)) {
1185                         list_rules(rsp);
1186                 } else {
1187                         fail(rsp, "rule: Unknown command: '%s'.\n", *args);
1188                         return;
1189                 }
1190                 num--, args++;
1191         }
1192 }
1193
1194 void cmd_wm(char **args, int num, FILE *rsp)
1195 {
1196         if (num < 1) {
1197                 fail(rsp, "wm: Missing commands.\n");
1198                 return;
1199         }
1200
1201         while (num > 0) {
1202                 if (streq("-d", *args) || streq("--dump-state", *args)) {
1203                         query_state(rsp);
1204                         fprintf(rsp, "\n");
1205                 } else if (streq("-l", *args) || streq("--load-state", *args)) {
1206                         num--, args++;
1207                         if (num < 1) {
1208                                 fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
1209                                 break;
1210                         }
1211                         if (!restore_state(*args)) {
1212                                 fail(rsp, "");
1213                                 break;
1214                         }
1215                 } else if (streq("-a", *args) || streq("--add-monitor", *args)) {
1216                         num--, args++;
1217                         if (num < 2) {
1218                                 fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
1219                                 break;
1220                         }
1221                         char *name = *args;
1222                         num--, args++;
1223                         xcb_rectangle_t r;
1224                         if (parse_rectangle(*args, &r)) {
1225                                 monitor_t *m = make_monitor(name, &r, XCB_NONE);
1226                                 add_monitor(m);
1227                                 add_desktop(m, make_desktop(NULL, XCB_NONE));
1228                         } else {
1229                                 fail(rsp, "wm %s: Invalid argument: '%s'.\n", *(args - 1), *args);
1230                                 break;
1231                         }
1232                 } else if (streq("-O", *args) || streq("--reorder-monitors", *args)) {
1233                         num--, args++;
1234                         if (num < 1) {
1235                                 fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
1236                                 return;
1237                         }
1238                         monitor_t *m = mon_head;
1239                         while (m != NULL && num > 0) {
1240                                 monitor_t *next = m->next;
1241                                 coordinates_t dst;
1242                                 if (locate_monitor(*args, &dst)) {
1243                                         swap_monitors(m, dst.monitor);
1244                                         if (next == dst.monitor) {
1245                                                 next = m;
1246                                         }
1247                                 }
1248                                 m = next;
1249                                 num--, args++;
1250                         }
1251                 } else if (streq("-o", *args) || streq("--adopt-orphans", *args)) {
1252                         adopt_orphans();
1253                 } else if (streq("-g", *args) || streq("--get-status", *args)) {
1254                         print_report(rsp);
1255                 } else if (streq("-h", *args) || streq("--record-history", *args)) {
1256                         num--, args++;
1257                         if (num < 1) {
1258                                 fail(rsp, "wm %s: Not enough arguments.\n", *(args - 1));
1259                                 break;
1260                         }
1261                         bool b;
1262                         if (parse_bool(*args, &b)) {
1263                                 record_history = b;
1264                         } else {
1265                                 fail(rsp, "wm %s: Invalid argument: '%s'.\n", *(args - 1), *args);
1266                                 break;
1267                         }
1268                 } else if (streq("-r", *args) || streq("--restart", *args)) {
1269                         running = false;
1270                         restart = true;
1271                         break;
1272                 } else {
1273                         fail(rsp, "wm: Unknown command: '%s'.\n", *args);
1274                         break;
1275                 }
1276                 num--, args++;
1277         }
1278 }
1279
1280 void cmd_subscribe(char **args, int num, FILE *rsp)
1281 {
1282         int field = 0;
1283         int count = -1;
1284         FILE *stream = rsp;
1285         char *fifo_path = NULL;
1286         subscriber_mask_t mask;
1287
1288         while (num > 0) {
1289                 if (streq("-c", *args) || streq("--count", *args)) {
1290                         num--, args++;
1291                         if (num < 1) {
1292                                 fail(rsp, "subscribe %s: Not enough arguments.\n", *(args - 1));
1293                                 goto failed;
1294                         }
1295                         if (sscanf(*args, "%i", &count) != 1 || count < 1) {
1296                                 fail(rsp, "subscribe %s: Invalid argument: '%s'.\n", *(args - 1), *args);
1297                                 goto failed;
1298                         }
1299                 } else if (streq("-f", *args) || streq("--fifo", *args)) {
1300                         fifo_path = mktempfifo(FIFO_TEMPLATE);
1301                         if (fifo_path == NULL) {
1302                                 fail(rsp, "subscribe %s: Can't create FIFO.\n", *(args - 1));
1303                                 goto failed;
1304                         }
1305                 } else if (parse_subscriber_mask(*args, &mask)) {
1306                         field |= mask;
1307                 } else {
1308                         fail(rsp, "subscribe: Invalid argument: '%s'.\n", *args);
1309                         goto failed;
1310                 }
1311                 num--, args++;
1312         }
1313
1314         if (field == 0) {
1315                 field = SBSC_MASK_REPORT;
1316         }
1317
1318         if (fifo_path) {
1319                 fprintf(rsp, "%s\n", fifo_path);
1320                 fflush(rsp);
1321                 fclose(rsp);
1322
1323                 stream = fopen(fifo_path, "w");
1324
1325                 if (stream == NULL) {
1326                         perror("subscribe: fopen");
1327                         goto free_fifo_path;
1328                 }
1329         }
1330
1331         subscriber_list_t *sb = make_subscriber(stream, fifo_path, field, count);
1332         add_subscriber(sb);
1333         return;
1334
1335 failed:
1336         fflush(rsp);
1337         fclose(rsp);
1338
1339 free_fifo_path:
1340         if (fifo_path) {
1341                 unlink(fifo_path);
1342                 free(fifo_path);
1343         }
1344 }
1345
1346 void cmd_quit(char **args, int num, FILE *rsp)
1347 {
1348         if (num > 0 && sscanf(*args, "%i", &exit_status) != 1) {
1349                 fail(rsp, "%s: Invalid argument: '%s'.\n", *(args - 1), *args);
1350                 return;
1351         }
1352         running = false;
1353 }
1354
1355 void cmd_config(char **args, int num, FILE *rsp)
1356 {
1357         if (num < 1) {
1358                 fail(rsp, "config: Missing arguments.\n");
1359                 return;
1360         }
1361
1362         coordinates_t ref = {mon, mon->desk, mon->desk->focus};
1363         coordinates_t trg = {NULL, NULL, NULL};
1364
1365         while (num > 0 && (*args)[0] == OPT_CHR) {
1366                 if (streq("-m", *args) || streq("--monitor", *args)) {
1367                         num--, args++;
1368                         if (num < 1) {
1369                                 fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
1370                                 return;
1371                         }
1372                         int ret;
1373                         if ((ret = monitor_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1374                                 handle_failure(ret, "config -m", *args, rsp);
1375                                 return;
1376                         }
1377                 } else if (streq("-d", *args) || streq("--desktop", *args)) {
1378                         num--, args++;
1379                         if (num < 1) {
1380                                 fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
1381                                 return;
1382                         }
1383                         int ret;
1384                         if ((ret = desktop_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1385                                 handle_failure(ret, "config -d", *args, rsp);
1386                                 return;
1387                         }
1388                 } else if (streq("-n", *args) || streq("--node", *args)) {
1389                         num--, args++;
1390                         if (num < 1) {
1391                                 fail(rsp, "config %s: Not enough arguments.\n", *(args - 1));
1392                                 return;
1393                         }
1394                         int ret;
1395                         if ((ret = node_from_desc(*args, &ref, &trg)) != SELECTOR_OK) {
1396                                 handle_failure(ret, "config -n", *args, rsp);
1397                                 return;
1398                         }
1399                 } else {
1400                         fail(rsp, "config: Unknown option: '%s'.\n", *args);
1401                         return;
1402                 }
1403                 num--, args++;
1404         }
1405         if (num == 2) {
1406                 set_setting(trg, *args, *(args + 1), rsp);
1407         } else if (num == 1) {
1408                 get_setting(trg, *args, rsp);
1409         } else {
1410                 fail(rsp, "config: Was expecting 1 or 2 arguments, received %i.\n", num);
1411         }
1412 }
1413
1414 void set_setting(coordinates_t loc, char *name, char *value, FILE *rsp)
1415 {
1416         bool colors_changed = false;
1417 #define SET_DEF_DEFMON_DEFDESK_WIN(k, v) \
1418                 if (loc.node != NULL) { \
1419                         for (node_t *n = first_extrema(loc.node); n != NULL; n = next_leaf(n, loc.node)) { \
1420                                 if (n->client != NULL) { \
1421                                         n->client->k = v; \
1422                                 } \
1423                         } \
1424                 } else if (loc.desktop != NULL) { \
1425                         loc.desktop->k = v; \
1426                         for (node_t *n = first_extrema(loc.desktop->root); n != NULL; n = next_leaf(n, loc.desktop->root)) { \
1427                                 if (n->client != NULL) { \
1428                                         n->client->k = v; \
1429                                 } \
1430                         } \
1431                 } else if (loc.monitor != NULL) { \
1432                         loc.monitor->k = v; \
1433                         for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) { \
1434                                 d->k = v; \
1435                                 for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) { \
1436                                         if (n->client != NULL) { \
1437                                                 n->client->k = v; \
1438                                         } \
1439                                 } \
1440                         } \
1441                 } else { \
1442                         k = v; \
1443                         for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
1444                                 m->k = v; \
1445                                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) { \
1446                                         d->k = v; \
1447                                         for (node_t *n = first_extrema(d->root); n != NULL; n = next_leaf(n, d->root)) { \
1448                                                 if (n->client != NULL) { \
1449                                                         n->client->k = v; \
1450                                                 } \
1451                                         } \
1452                                 } \
1453                         } \
1454                 }
1455         if (streq("border_width", name)) {
1456                 unsigned int bw;
1457                 if (sscanf(value, "%u", &bw) != 1) {
1458                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1459                         return;
1460                 }
1461                 SET_DEF_DEFMON_DEFDESK_WIN(border_width, bw)
1462 #undef SET_DEF_DEFMON_DEFDESK_WIN
1463 #define SET_DEF_DEFMON_DESK(k, v) \
1464                 if (loc.desktop != NULL) { \
1465                         loc.desktop->k = v; \
1466                 } else if (loc.monitor != NULL) { \
1467                         loc.monitor->k = v; \
1468                         for (desktop_t *d = loc.monitor->desk_head; d != NULL; d = d->next) { \
1469                                 d->k = v; \
1470                         } \
1471                 } else { \
1472                         k = v; \
1473                         for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
1474                                 m->k = v; \
1475                                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) { \
1476                                         d->k = v; \
1477                                 } \
1478                         } \
1479                 }
1480         } else if (streq("window_gap", name)) {
1481                 int wg;
1482                 if (sscanf(value, "%i", &wg) != 1) {
1483                         fail(rsp, "");
1484                         return;
1485                 }
1486                 SET_DEF_DEFMON_DESK(window_gap, wg)
1487 #undef SET_DEF_DEFMON_DESK
1488 #define SET_DEF_MON_DESK(k, v) \
1489                 if (loc.desktop != NULL) { \
1490                         loc.desktop->k = v; \
1491                 } else if (loc.monitor != NULL) { \
1492                         loc.monitor->k = v; \
1493                 } else { \
1494                         k = v; \
1495                         for (monitor_t *m = mon_head; m != NULL; m = m->next) { \
1496                                 m->k = v; \
1497                         } \
1498                 }
1499         } else if (streq("top_padding", name)) {
1500                 int tp;
1501                 if (sscanf(value, "%i", &tp) != 1) {
1502                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1503                         return;
1504                 }
1505                 SET_DEF_MON_DESK(padding.top, tp)
1506         } else if (streq("right_padding", name)) {
1507                 int rp;
1508                 if (sscanf(value, "%i", &rp) != 1) {
1509                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1510                         return;
1511                 }
1512                 SET_DEF_MON_DESK(padding.right, rp)
1513         } else if (streq("bottom_padding", name)) {
1514                 int bp;
1515                 if (sscanf(value, "%i", &bp) != 1) {
1516                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1517                         return;
1518                 }
1519                 SET_DEF_MON_DESK(padding.bottom, bp)
1520         } else if (streq("left_padding", name)) {
1521                 int lp;
1522                 if (sscanf(value, "%i", &lp) != 1) {
1523                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1524                         return;
1525                 }
1526                 SET_DEF_MON_DESK(padding.left, lp)
1527 #undef SET_DEF_MON_DESK
1528         } else if (streq("top_monocle_padding", name)) {
1529                 if (sscanf(value, "%i", &monocle_padding.top) != 1) {
1530                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1531                 }
1532         } else if (streq("right_monocle_padding", name)) {
1533                 if (sscanf(value, "%i", &monocle_padding.right) != 1) {
1534                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1535                 }
1536         } else if (streq("bottom_monocle_padding", name)) {
1537                 if (sscanf(value, "%i", &monocle_padding.bottom) != 1) {
1538                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1539                 }
1540         } else if (streq("left_monocle_padding", name)) {
1541                 if (sscanf(value, "%i", &monocle_padding.left) != 1) {
1542                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1543                 }
1544 #define SET_STR(s) \
1545         } else if (streq(#s, name)) { \
1546                 if (snprintf(s, sizeof(s), "%s", value) < 0) { \
1547                         fail(rsp, ""); \
1548                         return; \
1549                 }
1550         SET_STR(external_rules_command)
1551         SET_STR(status_prefix)
1552 #undef SET_STR
1553         } else if (streq("split_ratio", name)) {
1554                 double r;
1555                 if (sscanf(value, "%lf", &r) == 1 && r > 0 && r < 1) {
1556                         split_ratio = r;
1557                 } else {
1558                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
1559                         return;
1560                 }
1561                 return;
1562 #define SET_COLOR(s) \
1563         } else if (streq(#s, name)) { \
1564                 if (!is_hex_color(value)) { \
1565                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
1566                         return; \
1567                 } else { \
1568                         snprintf(s, sizeof(s), "%s", value); \
1569                         colors_changed = true; \
1570                 }
1571         SET_COLOR(normal_border_color)
1572         SET_COLOR(active_border_color)
1573         SET_COLOR(focused_border_color)
1574         SET_COLOR(presel_feedback_color)
1575 #undef SET_COLOR
1576         } else if (streq("initial_polarity", name)) {
1577                 child_polarity_t p;
1578                 if (parse_child_polarity(value, &p)) {
1579                         initial_polarity = p;
1580                 } else {
1581                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1582                         return;
1583                 }
1584         } else if (streq("automatic_scheme", name)) {
1585                 automatic_scheme_t a;
1586                 if (parse_automatic_scheme(value, &a)) {
1587                         automatic_scheme = a;
1588                 } else {
1589                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1590                         return;
1591                 }
1592         } else if (streq("mapping_events_count", name)) {
1593                 if (sscanf(value, "%" SCNi8, &mapping_events_count) != 1) {
1594                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1595                         return;
1596                 }
1597         } else if (streq("directional_focus_tightness", name)) {
1598                 tightness_t p;
1599                 if (parse_tightness(value, &p)) {
1600                         directional_focus_tightness = p;
1601                 } else {
1602                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1603                         return;
1604                 }
1605         } else if (streq("ignore_ewmh_fullscreen", name)) {
1606                 state_transition_t m;
1607                 if (parse_state_transition(value, &m)) {
1608                         ignore_ewmh_fullscreen = m;
1609                 } else {
1610                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1611                         return;
1612                 }
1613         } else if (streq("pointer_modifier", name)) {
1614                 if (parse_modifier_mask(value, &pointer_modifier)) {
1615                         ungrab_buttons();
1616                         grab_buttons();
1617                 } else {
1618                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1619                         return;
1620                 }
1621         } else if (streq("pointer_motion_interval", name)) {
1622                 if (sscanf(value, "%u", &pointer_motion_interval) != 1) {
1623                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1624                         return;
1625                 }
1626         } else if (streq("pointer_action1", name) ||
1627                    streq("pointer_action2", name) ||
1628                    streq("pointer_action3", name)) {
1629                 int index = name[14] - '1';
1630                 if (parse_pointer_action(value, &pointer_actions[index])) {
1631                         ungrab_buttons();
1632                         grab_buttons();
1633                 } else {
1634                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1635                         return;
1636                 }
1637         } else if (streq("click_to_focus", name)) {
1638                 if (parse_button_index(value, &click_to_focus)) {
1639                         ungrab_buttons();
1640                         grab_buttons();
1641                 } else {
1642                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1643                         return;
1644                 }
1645         } else if (streq("single_monocle", name)) {
1646                 bool b;
1647                 if (parse_bool(value, &b)) {
1648                         if (b == single_monocle) {
1649                                 fail(rsp, "");
1650                                 return;
1651                         }
1652                         single_monocle = b;
1653                         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1654                                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1655                                         layout_t l = (single_monocle && tiled_count(d->root, true) <= 1) ? LAYOUT_MONOCLE : d->user_layout;
1656                                         set_layout(m, d, l, false);
1657                                 }
1658                         }
1659                 } else {
1660                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1661                         return;
1662                 }
1663         } else if (streq("focus_follows_pointer", name)) {
1664                 bool b;
1665                 if (parse_bool(value, &b)) {
1666                         if (b == focus_follows_pointer) {
1667                                 fail(rsp, "");
1668                                 return;
1669                         }
1670                         focus_follows_pointer = b;
1671                         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1672                                 if (focus_follows_pointer) {
1673                                         window_show(m->root);
1674                                 } else {
1675                                         window_hide(m->root);
1676                                 }
1677                                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1678                                         listen_enter_notify(d->root, focus_follows_pointer);
1679                                 }
1680                         }
1681                         if (focus_follows_pointer) {
1682                                 update_motion_recorder();
1683                         } else {
1684                                 disable_motion_recorder();
1685                         }
1686                         return;
1687                 } else {
1688                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value);
1689                         return;
1690                 }
1691 #define SET_BOOL(s) \
1692         } else if (streq(#s, name)) { \
1693                 if (!parse_bool(value, &s)) { \
1694                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
1695                         return; \
1696                 }
1697                 SET_BOOL(presel_feedback)
1698                 SET_BOOL(borderless_monocle)
1699                 SET_BOOL(gapless_monocle)
1700                 SET_BOOL(swallow_first_click)
1701                 SET_BOOL(pointer_follows_focus)
1702                 SET_BOOL(pointer_follows_monitor)
1703                 SET_BOOL(ignore_ewmh_focus)
1704                 SET_BOOL(ignore_ewmh_struts)
1705                 SET_BOOL(center_pseudo_tiled)
1706                 SET_BOOL(honor_size_hints)
1707                 SET_BOOL(removal_adjustment)
1708 #undef SET_BOOL
1709 #define SET_MON_BOOL(s) \
1710         } else if (streq(#s, name)) { \
1711                 if (!parse_bool(value, &s)) { \
1712                         fail(rsp, "config: %s: Invalid value: '%s'.\n", name, value); \
1713                         return; \
1714                 } \
1715                 if (s) { \
1716                         update_monitors(); \
1717                 }
1718                 SET_MON_BOOL(remove_disabled_monitors)
1719                 SET_MON_BOOL(remove_unplugged_monitors)
1720                 SET_MON_BOOL(merge_overlapping_monitors)
1721 #undef SET_MON_BOOL
1722         } else {
1723                 fail(rsp, "config: Unknown setting: '%s'.\n", name);
1724                 return;
1725         }
1726
1727         for (monitor_t *m = mon_head; m != NULL; m = m->next) {
1728                 for (desktop_t *d = m->desk_head; d != NULL; d = d->next) {
1729                         arrange(m, d);
1730                         if (colors_changed) {
1731                                 update_colors_in(d->root, d, m);
1732                         }
1733                 }
1734         }
1735 }
1736
1737 void get_setting(coordinates_t loc, char *name, FILE* rsp)
1738 {
1739         if (streq("split_ratio", name)) {
1740                 fprintf(rsp, "%lf", split_ratio);
1741         } else if (streq("border_width", name)) {
1742                 if (loc.node != NULL) {
1743                         for (node_t *n = first_extrema(loc.node); n != NULL; n = next_leaf(n, loc.node)) {
1744                                 if (n->client != NULL) {
1745                                         fprintf(rsp, "%u", n->client->border_width);
1746                                         break;
1747                                 }
1748                         }
1749                 } else if (loc.desktop != NULL) {
1750                         fprintf(rsp, "%u", loc.desktop->border_width);
1751                 } else if (loc.monitor != NULL) {
1752                         fprintf(rsp, "%u", loc.monitor->border_width);
1753                 } else {
1754                         fprintf(rsp, "%u", border_width);
1755                 }
1756         } else if (streq("window_gap", name)) {
1757                 if (loc.desktop != NULL) {
1758                         fprintf(rsp, "%i", loc.desktop->window_gap);
1759                 } else if (loc.monitor != NULL) {
1760                         fprintf(rsp, "%i", loc.monitor->window_gap);
1761                 } else {
1762                         fprintf(rsp, "%i", window_gap);
1763                 }
1764 #define GET_DEF_MON_DESK(k) \
1765                 if (loc.desktop != NULL) { \
1766                         fprintf(rsp, "%i", loc.desktop->k); \
1767                 } else if (loc.monitor != NULL) { \
1768                         fprintf(rsp, "%i", loc.monitor->k); \
1769                 } else { \
1770                         fprintf(rsp, "%i", k); \
1771                 }
1772         } else if (streq("top_padding", name)) {
1773                 GET_DEF_MON_DESK(padding.top)
1774         } else if (streq("right_padding", name)) {
1775                 GET_DEF_MON_DESK(padding.right)
1776         } else if (streq("bottom_padding", name)) {
1777                 GET_DEF_MON_DESK(padding.bottom)
1778         } else if (streq("left_padding", name)) {
1779                 GET_DEF_MON_DESK(padding.left)
1780 #undef GET_DEF_MON_DESK
1781         } else if (streq("top_monocle_padding", name)) {
1782                 fprintf(rsp, "%i", monocle_padding.top);
1783         } else if (streq("right_monocle_padding", name)) {
1784                 fprintf(rsp, "%i", monocle_padding.right);
1785         } else if (streq("bottom_monocle_padding", name)) {
1786                 fprintf(rsp, "%i", monocle_padding.bottom);
1787         } else if (streq("left_monocle_padding", name)) {
1788                 fprintf(rsp, "%i", monocle_padding.left);
1789         } else if (streq("external_rules_command", name)) {
1790                 fprintf(rsp, "%s", external_rules_command);
1791         } else if (streq("status_prefix", name)) {
1792                 fprintf(rsp, "%s", status_prefix);
1793         } else if (streq("initial_polarity", name)) {
1794                 fprintf(rsp, "%s", CHILD_POL_STR(initial_polarity));
1795         } else if (streq("automatic_scheme", name)) {
1796                 fprintf(rsp, "%s", AUTO_SCM_STR(automatic_scheme));
1797         } else if (streq("mapping_events_count", name)) {
1798                 fprintf(rsp, "%" PRIi8, mapping_events_count);
1799         } else if (streq("directional_focus_tightness", name)) {
1800                 fprintf(rsp, "%s", TIGHTNESS_STR(directional_focus_tightness));
1801         } else if (streq("ignore_ewmh_fullscreen", name)) {
1802                 print_ignore_request(ignore_ewmh_fullscreen, rsp);
1803         } else if (streq("pointer_modifier", name)) {
1804                 print_modifier_mask(pointer_modifier, rsp);
1805         } else if (streq("click_to_focus", name)) {
1806                 print_button_index(click_to_focus, rsp);
1807         } else if (streq("pointer_motion_interval", name)) {
1808                 fprintf(rsp, "%u", pointer_motion_interval);
1809         } else if (streq("pointer_action1", name) ||
1810                    streq("pointer_action2", name) ||
1811                    streq("pointer_action3", name)) {
1812                 int index = name[14] - '1';
1813                 print_pointer_action(pointer_actions[index], rsp);
1814 #define GET_COLOR(s) \
1815         } else if (streq(#s, name)) { \
1816                 fprintf(rsp, "%s", s);
1817         GET_COLOR(normal_border_color)
1818         GET_COLOR(active_border_color)
1819         GET_COLOR(focused_border_color)
1820         GET_COLOR(presel_feedback_color)
1821 #undef GET_COLOR
1822 #define GET_BOOL(s) \
1823         } else if (streq(#s, name)) { \
1824                 fprintf(rsp, "%s", BOOL_STR(s));
1825         GET_BOOL(presel_feedback)
1826         GET_BOOL(borderless_monocle)
1827         GET_BOOL(gapless_monocle)
1828         GET_BOOL(single_monocle)
1829         GET_BOOL(swallow_first_click)
1830         GET_BOOL(focus_follows_pointer)
1831         GET_BOOL(pointer_follows_focus)
1832         GET_BOOL(pointer_follows_monitor)
1833         GET_BOOL(ignore_ewmh_focus)
1834         GET_BOOL(ignore_ewmh_struts)
1835         GET_BOOL(center_pseudo_tiled)
1836         GET_BOOL(honor_size_hints)
1837         GET_BOOL(removal_adjustment)
1838         GET_BOOL(remove_disabled_monitors)
1839         GET_BOOL(remove_unplugged_monitors)
1840         GET_BOOL(merge_overlapping_monitors)
1841 #undef GET_BOOL
1842         } else {
1843                 fail(rsp, "config: Unknown setting: '%s'.\n", name);
1844                 return;
1845         }
1846         fprintf(rsp, "\n");
1847 }
1848
1849 void handle_failure(int code, char *src, char *val, FILE *rsp)
1850 {
1851         switch (code) {
1852                 case SELECTOR_BAD_DESCRIPTOR:
1853                         fail(rsp, "%s: Invalid descriptor found in '%s'.\n", src, val);
1854                         break;
1855                 case SELECTOR_BAD_MODIFIERS:
1856                         fail(rsp, "%s: Invalid modifier found in '%s'.\n", src, val);
1857                         break;
1858                 case SELECTOR_INVALID:
1859                         fail(rsp, "");
1860                         break;
1861         }
1862 }
1863
1864 void fail(FILE *rsp, char *fmt, ...)
1865 {
1866         fprintf(rsp, FAILURE_MESSAGE);
1867         va_list ap;
1868         va_start(ap, fmt);
1869         vfprintf(rsp, fmt, ap);
1870         va_end(ap);
1871 }