git.sur5r.net Git - i3/i3/blob - src/cmdparse.y

   1 %{
   2 /*
   3  * vim:ts=4:sw=4:expandtab
   4  *
   5  * i3 - an improved dynamic tiling window manager
   6  * © 2009-2011 Michael Stapelberg and contributors (see also: LICENSE)
   7  *
   8  * cmdparse.y: the parser for commands you send to i3 (or bind on keys)
   9  *
  10  */
  11 #include <sys/types.h>
  12 #include <sys/stat.h>
  13 #include <unistd.h>
  14 #include <fcntl.h>
  15 #include <float.h>
  16
  17 #include "all.h"
  18
  19 /** When the command did not include match criteria (!), we use the currently
  20  * focused command. Do not confuse this case with a command which included
  21  * criteria but which did not match any windows. This macro has to be called in
  22  * every command.
  23  */
  24 #define HANDLE_EMPTY_MATCH do { \
  25     if (match_is_empty(&current_match)) { \
  26         owindow *ow = smalloc(sizeof(owindow)); \
  27         ow->con = focused; \
  28         TAILQ_INIT(&owindows); \
  29         TAILQ_INSERT_TAIL(&owindows, ow, owindows); \
  30     } \
  31 } while (0)
  32
  33 typedef struct yy_buffer_state *YY_BUFFER_STATE;
  34 extern int cmdyylex(struct context *context);
  35 extern int cmdyyparse(void);
  36 extern int cmdyylex_destroy(void);
  37 extern FILE *cmdyyin;
  38 YY_BUFFER_STATE cmdyy_scan_string(const char *);
  39
  40 static struct context *context;
  41 static Match current_match;
  42
  43 /*
  44  * Helper data structure for an operation window (window on which the operation
  45  * will be performed). Used to build the TAILQ owindows.
  46  *
  47  */
  48 typedef struct owindow {
  49     Con *con;
  50     TAILQ_ENTRY(owindow) owindows;
  51 } owindow;
  52 static TAILQ_HEAD(owindows_head, owindow) owindows;
  53
  54 /* Holds the JSON which will be returned via IPC or NULL for the default return
  55  * message */
  56 static char *json_output;
  57
  58 /* We don’t need yydebug for now, as we got decent error messages using
  59  * yyerror(). Should you ever want to extend the parser, it might be handy
  60  * to just comment it in again, so it stays here. */
  61 //int cmdyydebug = 1;
  62
  63 void cmdyyerror(const char *error_message) {
  64     ELOG("\n");
  65     ELOG("CMD: %s\n", error_message);
  66     ELOG("CMD: in command:\n");
  67     ELOG("CMD:   %s\n", context->line_copy);
  68     ELOG("CMD:   ");
  69     for (int c = 1; c <= context->last_column; c++)
  70         if (c >= context->first_column)
  71                 printf("^");
  72         else printf(" ");
  73     printf("\n");
  74     ELOG("\n");
  75     context->compact_error = sstrdup(error_message);
  76 }
  77
  78 int cmdyywrap() {
  79     return 1;
  80 }
  81
  82 char *parse_cmd(const char *new) {
  83     json_output = NULL;
  84     LOG("COMMAND: *%s*\n", new);
  85     cmdyy_scan_string(new);
  86
  87     match_init(&current_match);
  88     context = scalloc(sizeof(struct context));
  89     context->filename = "cmd";
  90     if (cmdyyparse() != 0) {
  91         fprintf(stderr, "Could not parse command\n");
  92         sasprintf(&json_output, "{\"success\":false, \"error\":\"%s at position %d\"}",
  93                   context->compact_error, context->first_column);
  94         FREE(context->line_copy);
  95         FREE(context->compact_error);
  96         free(context);
  97         return json_output;
  98     }
  99     printf("done, json output = %s\n", json_output);
 100
 101     cmdyylex_destroy();
 102     FREE(context->line_copy);
 103     FREE(context->compact_error);
 104     free(context);
 105     return json_output;
 106 }
 107
 108 /*
 109  * Returns true if a is definitely greater than b (using the given epsilon)
 110  *
 111  */
 112 bool definitelyGreaterThan(float a, float b, float epsilon) {
 113     return (a - b) > ( (fabs(a) < fabs(b) ? fabs(b) : fabs(a)) * epsilon);
 114 }
 115
 116 %}
 117
 118 %error-verbose
 119 %lex-param { struct context *context }
 120
 121 %union {
 122     char *string;
 123     char chr;
 124     int number;
 125 }
 126
 127 %token              TOK_EXEC            "exec"
 128 %token              TOK_EXIT            "exit"
 129 %token              TOK_RELOAD          "reload"
 130 %token              TOK_RESTART         "restart"
 131 %token              TOK_KILL            "kill"
 132 %token              TOK_WINDOW          "window"
 133 %token              TOK_CLIENT          "client"
 134 %token              TOK_FULLSCREEN      "fullscreen"
 135 %token              TOK_GLOBAL          "global"
 136 %token              TOK_LAYOUT          "layout"
 137 %token              TOK_DEFAULT         "default"
 138 %token              TOK_STACKED         "stacked"
 139 %token              TOK_TABBED          "tabbed"
 140 %token              TOK_BORDER          "border"
 141 %token              TOK_NORMAL          "normal"
 142 %token              TOK_NONE            "none"
 143 %token              TOK_1PIXEL          "1pixel"
 144 %token              TOK_MODE            "mode"
 145 %token              TOK_TILING          "tiling"
 146 %token              TOK_FLOATING        "floating"
 147 %token              TOK_MODE_TOGGLE     "mode_toggle"
 148 %token              TOK_ENABLE          "enable"
 149 %token              TOK_DISABLE         "disable"
 150 %token              TOK_WORKSPACE       "workspace"
 151 %token              TOK_OUTPUT          "output"
 152 %token              TOK_TOGGLE          "toggle"
 153 %token              TOK_FOCUS           "focus"
 154 %token              TOK_MOVE            "move"
 155 %token              TOK_OPEN            "open"
 156 %token              TOK_NEXT            "next"
 157 %token              TOK_PREV            "prev"
 158 %token              TOK_SPLIT           "split"
 159 %token              TOK_HORIZONTAL      "horizontal"
 160 %token              TOK_VERTICAL        "vertical"
 161 %token              TOK_UP              "up"
 162 %token              TOK_DOWN            "down"
 163 %token              TOK_LEFT            "left"
 164 %token              TOK_RIGHT           "right"
 165 %token              TOK_PARENT          "parent"
 166 %token              TOK_CHILD           "child"
 167 %token              TOK_APPEND_LAYOUT   "append_layout"
 168 %token              TOK_MARK            "mark"
 169 %token              TOK_RESIZE          "resize"
 170 %token              TOK_GROW            "grow"
 171 %token              TOK_SHRINK          "shrink"
 172 %token              TOK_PX              "px"
 173 %token              TOK_OR              "or"
 174 %token              TOK_PPT             "ppt"
 175 %token              TOK_NOP             "nop"
 176 %token              TOK_BACK_AND_FORTH  "back_and_forth"
 177 %token              TOK_NO_STARTUP_ID   "--no-startup-id"
 178
 179 %token              TOK_CLASS           "class"
 180 %token              TOK_INSTANCE        "instance"
 181 %token              TOK_WINDOW_ROLE     "window_role"
 182 %token              TOK_ID              "id"
 183 %token              TOK_CON_ID          "con_id"
 184 %token              TOK_TITLE           "title"
 185
 186 %token  <string>    STR                 "<string>"
 187 %token  <number>    NUMBER              "<number>"
 188
 189 %type   <number>    direction
 190 %type   <number>    split_direction
 191 %type   <number>    fullscreen_mode
 192 %type   <number>    level
 193 %type   <number>    window_mode
 194 %type   <number>    boolean
 195 %type   <number>    border_style
 196 %type   <number>    layout_mode
 197 %type   <number>    resize_px
 198 %type   <number>    resize_way
 199 %type   <number>    resize_tiling
 200 %type   <number>    optional_kill_mode
 201 %type   <number>    optional_no_startup_id
 202
 203 %%
 204
 205 commands:
 206     commands ';' command
 207     | command
 208     {
 209         owindow *current;
 210
 211         printf("single command completely parsed, dropping state...\n");
 212         while (!TAILQ_EMPTY(&owindows)) {
 213             current = TAILQ_FIRST(&owindows);
 214             TAILQ_REMOVE(&owindows, current, owindows);
 215             free(current);
 216         }
 217         match_init(&current_match);
 218     }
 219     ;
 220
 221 command:
 222     match operations
 223     ;
 224
 225 match:
 226     | matchstart criteria matchend
 227     {
 228         printf("match parsed\n");
 229     }
 230     ;
 231
 232 matchstart:
 233     '['
 234     {
 235         printf("start\n");
 236         match_init(&current_match);
 237         TAILQ_INIT(&owindows);
 238         /* copy all_cons */
 239         Con *con;
 240         TAILQ_FOREACH(con, &all_cons, all_cons) {
 241             owindow *ow = smalloc(sizeof(owindow));
 242             ow->con = con;
 243             TAILQ_INSERT_TAIL(&owindows, ow, owindows);
 244         }
 245     }
 246     ;
 247
 248 matchend:
 249     ']'
 250     {
 251         owindow *next, *current;
 252
 253         printf("match specification finished, matching...\n");
 254         /* copy the old list head to iterate through it and start with a fresh
 255          * list which will contain only matching windows */
 256         struct owindows_head old = owindows;
 257         TAILQ_INIT(&owindows);
 258         for (next = TAILQ_FIRST(&old); next != TAILQ_END(&old);) {
 259             /* make a copy of the next pointer and advance the pointer to the
 260              * next element as we are going to invalidate the element’s
 261              * next/prev pointers by calling TAILQ_INSERT_TAIL later */
 262             current = next;
 263             next = TAILQ_NEXT(next, owindows);
 264
 265             printf("checking if con %p / %s matches\n", current->con, current->con->name);
 266             if (current_match.con_id != NULL) {
 267                 if (current_match.con_id == current->con) {
 268                     printf("matches container!\n");
 269                     TAILQ_INSERT_TAIL(&owindows, current, owindows);
 270
 271                 }
 272             } else if (current_match.mark != NULL && current->con->mark != NULL &&
 273                        regex_matches(current_match.mark, current->con->mark)) {
 274                 printf("match by mark\n");
 275                 TAILQ_INSERT_TAIL(&owindows, current, owindows);
 276             } else {
 277                 if (current->con->window == NULL)
 278                     continue;
 279                 if (match_matches_window(&current_match, current->con->window)) {
 280                     printf("matches window!\n");
 281                     TAILQ_INSERT_TAIL(&owindows, current, owindows);
 282                 } else {
 283                     printf("doesnt match\n");
 284                     free(current);
 285                 }
 286             }
 287         }
 288
 289         TAILQ_FOREACH(current, &owindows, owindows) {
 290             printf("matching: %p / %s\n", current->con, current->con->name);
 291         }
 292
 293     }
 294     ;
 295
 296 criteria:
 297     criteria criterion
 298     | criterion
 299     ;
 300
 301 criterion:
 302     TOK_CLASS '=' STR
 303     {
 304         printf("criteria: class = %s\n", $3);
 305         current_match.class = regex_new($3);
 306         free($3);
 307     }
 308     | TOK_INSTANCE '=' STR
 309     {
 310         printf("criteria: instance = %s\n", $3);
 311         current_match.instance = regex_new($3);
 312         free($3);
 313     }
 314     | TOK_WINDOW_ROLE '=' STR
 315     {
 316         printf("criteria: window_role = %s\n", $3);
 317         current_match.role = regex_new($3);
 318         free($3);
 319     }
 320     | TOK_CON_ID '=' STR
 321     {
 322         printf("criteria: id = %s\n", $3);
 323         char *end;
 324         long parsed = strtol($3, &end, 10);
 325         if (parsed == LONG_MIN ||
 326             parsed == LONG_MAX ||
 327             parsed < 0 ||
 328             (end && *end != '\0')) {
 329             ELOG("Could not parse con id \"%s\"\n", $3);
 330         } else {
 331             current_match.con_id = (Con*)parsed;
 332             printf("id as int = %p\n", current_match.con_id);
 333         }
 334     }
 335     | TOK_ID '=' STR
 336     {
 337         printf("criteria: window id = %s\n", $3);
 338         char *end;
 339         long parsed = strtol($3, &end, 10);
 340         if (parsed == LONG_MIN ||
 341             parsed == LONG_MAX ||
 342             parsed < 0 ||
 343             (end && *end != '\0')) {
 344             ELOG("Could not parse window id \"%s\"\n", $3);
 345         } else {
 346             current_match.id = parsed;
 347             printf("window id as int = %d\n", current_match.id);
 348         }
 349     }
 350     | TOK_MARK '=' STR
 351     {
 352         printf("criteria: mark = %s\n", $3);
 353         current_match.mark = regex_new($3);
 354         free($3);
 355     }
 356     | TOK_TITLE '=' STR
 357     {
 358         printf("criteria: title = %s\n", $3);
 359         current_match.title = regex_new($3);
 360         free($3);
 361     }
 362     ;
 363
 364 operations:
 365     operation
 366     | operations ',' operation
 367     ;
 368
 369 operation:
 370     exec
 371     | exit
 372     | restart
 373     | reload
 374     | border
 375     | layout
 376     | append_layout
 377     | move
 378     | workspace
 379     | focus
 380     | kill
 381     | open
 382     | fullscreen
 383     | split
 384     | floating
 385     | mark
 386     | resize
 387     | nop
 388     | mode
 389     ;
 390
 391 exec:
 392     TOK_EXEC optional_no_startup_id STR
 393     {
 394         char *command = $3;
 395         bool no_startup_id = $2;
 396
 397         printf("should execute %s, no_startup_id = %d\n", command, no_startup_id);
 398         start_application(command, no_startup_id);
 399         free($3);
 400     }
 401     ;
 402
 403 optional_no_startup_id:
 404     /* empty */ { $$ = false; }
 405     | TOK_NO_STARTUP_ID  { $$ = true; }
 406     ;
 407
 408 exit:
 409     TOK_EXIT
 410     {
 411         printf("exit, bye bye\n");
 412         exit(0);
 413     }
 414     ;
 415
 416 reload:
 417     TOK_RELOAD
 418     {
 419         printf("reloading\n");
 420         kill_configerror_nagbar(false);
 421         load_configuration(conn, NULL, true);
 422         x_set_i3_atoms();
 423         /* Send an IPC event just in case the ws names have changed */
 424         ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"reload\"}");
 425     }
 426     ;
 427
 428 restart:
 429     TOK_RESTART
 430     {
 431         printf("restarting i3\n");
 432         i3_restart(false);
 433     }
 434     ;
 435
 436 focus:
 437     TOK_FOCUS
 438     {
 439         owindow *current;
 440
 441         if (match_is_empty(&current_match)) {
 442             ELOG("You have to specify which window/container should be focused.\n");
 443             ELOG("Example: [class=\"urxvt\" title=\"irssi\"] focus\n");
 444
 445             sasprintf(&json_output, "{\"success\":false, \"error\":\"You have to "
 446                       "specify which window/container should be focused\"}");
 447             break;
 448         }
 449
 450         int count = 0;
 451         TAILQ_FOREACH(current, &owindows, owindows) {
 452             Con *ws = con_get_workspace(current->con);
 453
 454             /* If the container is not on the current workspace,
 455              * workspace_show() will switch to a different workspace and (if
 456              * enabled) trigger a mouse pointer warp to the currently focused
 457              * container (!) on the target workspace.
 458              *
 459              * Therefore, before calling workspace_show(), we make sure that
 460              * 'current' will be focused on the workspace. However, we cannot
 461              * just con_focus(current) because then the pointer will not be
 462              * warped at all (the code thinks we are already there).
 463              *
 464              * So we focus 'current' to make it the currently focused window of
 465              * the target workspace, then revert focus. */
 466             Con *currently_focused = focused;
 467             con_focus(current->con);
 468             con_focus(currently_focused);
 469
 470             /* Now switch to the workspace, then focus */
 471             workspace_show(ws);
 472             LOG("focusing %p / %s\n", current->con, current->con->name);
 473             con_focus(current->con);
 474             count++;
 475         }
 476
 477         if (count > 1)
 478             LOG("WARNING: Your criteria for the focus command matches %d containers, "
 479                 "while only exactly one container can be focused at a time.\n", count);
 480
 481         tree_render();
 482     }
 483     | TOK_FOCUS direction
 484     {
 485         int direction = $2;
 486         switch (direction) {
 487             case TOK_LEFT:
 488                 LOG("Focusing left\n");
 489                 tree_next('p', HORIZ);
 490                 break;
 491             case TOK_RIGHT:
 492                 LOG("Focusing right\n");
 493                 tree_next('n', HORIZ);
 494                 break;
 495             case TOK_UP:
 496                 LOG("Focusing up\n");
 497                 tree_next('p', VERT);
 498                 break;
 499             case TOK_DOWN:
 500                 LOG("Focusing down\n");
 501                 tree_next('n', VERT);
 502                 break;
 503             default:
 504                 ELOG("Invalid focus direction (%d)\n", direction);
 505                 break;
 506         }
 507
 508         tree_render();
 509     }
 510     | TOK_FOCUS window_mode
 511     {
 512         printf("should focus: ");
 513
 514         if ($2 == TOK_TILING)
 515             printf("tiling\n");
 516         else if ($2 == TOK_FLOATING)
 517             printf("floating\n");
 518         else printf("mode toggle\n");
 519
 520         Con *ws = con_get_workspace(focused);
 521         Con *current;
 522         if (ws != NULL) {
 523             int to_focus = $2;
 524             if ($2 == TOK_MODE_TOGGLE) {
 525                 current = TAILQ_FIRST(&(ws->focus_head));
 526                 if (current != NULL && current->type == CT_FLOATING_CON)
 527                     to_focus = TOK_TILING;
 528                 else to_focus = TOK_FLOATING;
 529             }
 530             TAILQ_FOREACH(current, &(ws->focus_head), focused) {
 531                 if ((to_focus == TOK_FLOATING && current->type != CT_FLOATING_CON) ||
 532                     (to_focus == TOK_TILING && current->type == CT_FLOATING_CON))
 533                     continue;
 534
 535                 con_focus(con_descend_focused(current));
 536                 break;
 537             }
 538         }
 539
 540         tree_render();
 541     }
 542     | TOK_FOCUS level
 543     {
 544         if ($2 == TOK_PARENT)
 545             level_up();
 546         else level_down();
 547
 548         tree_render();
 549     }
 550     ;
 551
 552 window_mode:
 553     TOK_TILING        { $$ = TOK_TILING; }
 554     | TOK_FLOATING    { $$ = TOK_FLOATING; }
 555     | TOK_MODE_TOGGLE { $$ = TOK_MODE_TOGGLE; }
 556     ;
 557
 558 level:
 559     TOK_PARENT  { $$ = TOK_PARENT; }
 560     | TOK_CHILD { $$ = TOK_CHILD;  }
 561     ;
 562
 563 kill:
 564     TOK_KILL optional_kill_mode
 565     {
 566         owindow *current;
 567
 568         printf("killing!\n");
 569         /* check if the match is empty, not if the result is empty */
 570         if (match_is_empty(&current_match))
 571             tree_close_con($2);
 572         else {
 573             TAILQ_FOREACH(current, &owindows, owindows) {
 574                 printf("matching: %p / %s\n", current->con, current->con->name);
 575                 tree_close(current->con, $2, false, false);
 576             }
 577         }
 578
 579         tree_render();
 580     }
 581     ;
 582
 583 optional_kill_mode:
 584     /* empty */             { $$ = KILL_WINDOW; }
 585     | TOK_WINDOW { $$ = KILL_WINDOW; }
 586     | TOK_CLIENT { $$ = KILL_CLIENT; }
 587     ;
 588
 589 workspace:
 590     TOK_WORKSPACE TOK_NEXT
 591     {
 592         workspace_show(workspace_next());
 593         tree_render();
 594     }
 595     | TOK_WORKSPACE TOK_PREV
 596     {
 597         workspace_show(workspace_prev());
 598         tree_render();
 599     }
 600     | TOK_WORKSPACE TOK_BACK_AND_FORTH
 601     {
 602         workspace_back_and_forth();
 603         tree_render();
 604     }
 605     | TOK_WORKSPACE STR
 606     {
 607         printf("should switch to workspace %s\n", $2);
 608
 609         Con *ws = con_get_workspace(focused);
 610
 611         /* Check if the command wants to switch to the current workspace */
 612         if (strcmp(ws->name, $2) == 0) {
 613             printf("This workspace is already focused.\n");
 614             if (config.workspace_auto_back_and_forth) {
 615                 workspace_back_and_forth();
 616                 free($2);
 617                 tree_render();
 618             }
 619             break;
 620         }
 621
 622         workspace_show_by_name($2);
 623         free($2);
 624
 625         tree_render();
 626     }
 627     ;
 628
 629 open:
 630     TOK_OPEN
 631     {
 632         printf("opening new container\n");
 633         Con *con = tree_open_con(NULL, NULL);
 634         con_focus(con);
 635         sasprintf(&json_output, "{\"success\":true, \"id\":%ld}", (long int)con);
 636
 637         tree_render();
 638     }
 639     ;
 640
 641 fullscreen:
 642     TOK_FULLSCREEN fullscreen_mode
 643     {
 644         printf("toggling fullscreen, mode = %s\n", ($2 == CF_OUTPUT ? "normal" : "global"));
 645         owindow *current;
 646
 647         HANDLE_EMPTY_MATCH;
 648
 649         TAILQ_FOREACH(current, &owindows, owindows) {
 650             printf("matching: %p / %s\n", current->con, current->con->name);
 651             con_toggle_fullscreen(current->con, $2);
 652         }
 653
 654         tree_render();
 655     }
 656     ;
 657
 658 fullscreen_mode:
 659     /* empty */  { $$ = CF_OUTPUT; }
 660     | TOK_GLOBAL { $$ = CF_GLOBAL; }
 661     ;
 662
 663 split:
 664     TOK_SPLIT split_direction
 665     {
 666         /* TODO: use matches */
 667         printf("splitting in direction %c\n", $2);
 668         tree_split(focused, ($2 == 'v' ? VERT : HORIZ));
 669
 670         tree_render();
 671     }
 672     ;
 673
 674 split_direction:
 675     TOK_HORIZONTAL  { $$ = 'h'; }
 676     | 'h'           { $$ = 'h'; }
 677     | TOK_VERTICAL  { $$ = 'v'; }
 678     | 'v'           { $$ = 'v'; }
 679     ;
 680
 681 floating:
 682     TOK_FLOATING boolean
 683     {
 684         HANDLE_EMPTY_MATCH;
 685
 686         owindow *current;
 687         TAILQ_FOREACH(current, &owindows, owindows) {
 688             printf("matching: %p / %s\n", current->con, current->con->name);
 689             if ($2 == TOK_TOGGLE) {
 690                 printf("should toggle mode\n");
 691                 toggle_floating_mode(current->con, false);
 692             } else {
 693                 printf("should switch mode to %s\n", ($2 == TOK_FLOATING ? "floating" : "tiling"));
 694                 if ($2 == TOK_ENABLE) {
 695                     floating_enable(current->con, false);
 696                 } else {
 697                     floating_disable(current->con, false);
 698                 }
 699             }
 700         }
 701
 702         tree_render();
 703     }
 704     ;
 705
 706 boolean:
 707     TOK_ENABLE    { $$ = TOK_ENABLE; }
 708     | TOK_DISABLE { $$ = TOK_DISABLE; }
 709     | TOK_TOGGLE  { $$ = TOK_TOGGLE; }
 710     ;
 711
 712 border:
 713     TOK_BORDER border_style
 714     {
 715         printf("border style should be changed to %d\n", $2);
 716         owindow *current;
 717
 718         HANDLE_EMPTY_MATCH;
 719
 720         TAILQ_FOREACH(current, &owindows, owindows) {
 721             printf("matching: %p / %s\n", current->con, current->con->name);
 722             int border_style = current->con->border_style;
 723             if ($2 == TOK_TOGGLE) {
 724                 border_style++;
 725                 border_style %= 3;
 726             } else border_style = $2;
 727             con_set_border_style(current->con, border_style);
 728         }
 729
 730         tree_render();
 731     }
 732     ;
 733
 734 border_style:
 735     TOK_NORMAL      { $$ = BS_NORMAL; }
 736     | TOK_NONE      { $$ = BS_NONE; }
 737     | TOK_1PIXEL    { $$ = BS_1PIXEL; }
 738     | TOK_TOGGLE    { $$ = TOK_TOGGLE; }
 739     ;
 740
 741 move:
 742     TOK_MOVE direction resize_px
 743     {
 744         int direction = $2;
 745         int px = $3;
 746
 747         /* TODO: make 'move' work with criteria. */
 748         printf("moving in direction %d\n", direction);
 749         if (con_is_floating(focused)) {
 750             printf("floating move with %d pixels\n", px);
 751             if (direction == TOK_LEFT) {
 752                 focused->parent->rect.x -= px;
 753             } else if (direction == TOK_RIGHT) {
 754                 focused->parent->rect.x += px;
 755             } else if (direction == TOK_UP) {
 756                 focused->parent->rect.y -= px;
 757             } else if (direction == TOK_DOWN) {
 758                 focused->parent->rect.y += px;
 759             }
 760         } else {
 761             tree_move(direction);
 762         }
 763
 764         tree_render();
 765     }
 766     | TOK_MOVE TOK_WORKSPACE STR
 767     {
 768         owindow *current;
 769
 770         /* Error out early to not create a non-existing workspace (in
 771          * workspace_get()) if we are not actually able to move anything. */
 772         if (match_is_empty(&current_match) && focused->type == CT_WORKSPACE)
 773             break;
 774
 775         printf("should move window to workspace %s\n", $3);
 776         /* get the workspace */
 777         Con *ws = workspace_get($3, NULL);
 778         free($3);
 779
 780         HANDLE_EMPTY_MATCH;
 781
 782         TAILQ_FOREACH(current, &owindows, owindows) {
 783             printf("matching: %p / %s\n", current->con, current->con->name);
 784             con_move_to_workspace(current->con, ws, true, false);
 785         }
 786
 787         tree_render();
 788     }
 789     | TOK_MOVE TOK_WORKSPACE TOK_NEXT
 790     {
 791         owindow *current;
 792
 793         /* get the workspace */
 794         Con *ws = workspace_next();
 795
 796         HANDLE_EMPTY_MATCH;
 797
 798         TAILQ_FOREACH(current, &owindows, owindows) {
 799             printf("matching: %p / %s\n", current->con, current->con->name);
 800             con_move_to_workspace(current->con, ws, true, false);
 801         }
 802
 803         tree_render();
 804     }
 805     | TOK_MOVE TOK_WORKSPACE TOK_PREV
 806     {
 807         owindow *current;
 808
 809         /* get the workspace */
 810         Con *ws = workspace_prev();
 811
 812         HANDLE_EMPTY_MATCH;
 813
 814         TAILQ_FOREACH(current, &owindows, owindows) {
 815             printf("matching: %p / %s\n", current->con, current->con->name);
 816             con_move_to_workspace(current->con, ws, true, false);
 817         }
 818
 819         tree_render();
 820     }
 821     | TOK_MOVE TOK_OUTPUT STR
 822     {
 823         owindow *current;
 824
 825         printf("should move window to output %s", $3);
 826
 827         HANDLE_EMPTY_MATCH;
 828
 829         /* get the output */
 830         Output *current_output = NULL;
 831         Output *output;
 832
 833         TAILQ_FOREACH(current, &owindows, owindows)
 834             current_output = get_output_containing(current->con->rect.x, current->con->rect.y);
 835
 836         assert(current_output != NULL);
 837
 838         if (strcasecmp($3, "up") == 0)
 839             output = get_output_next(D_UP, current_output);
 840         else if (strcasecmp($3, "down") == 0)
 841             output = get_output_next(D_DOWN, current_output);
 842         else if (strcasecmp($3, "left") == 0)
 843             output = get_output_next(D_LEFT, current_output);
 844         else if (strcasecmp($3, "right") == 0)
 845             output = get_output_next(D_RIGHT, current_output);
 846         else
 847             output = get_output_by_name($3);
 848         free($3);
 849
 850         if (!output)
 851             break;
 852
 853         /* get visible workspace on output */
 854         Con *ws = NULL;
 855         GREP_FIRST(ws, output_get_content(output->con), workspace_is_visible(child));
 856         if (!ws)
 857             break;
 858
 859         TAILQ_FOREACH(current, &owindows, owindows) {
 860             printf("matching: %p / %s\n", current->con, current->con->name);
 861             con_move_to_workspace(current->con, ws, true, false);
 862         }
 863
 864         tree_render();
 865     }
 866     ;
 867
 868 append_layout:
 869     TOK_APPEND_LAYOUT STR
 870     {
 871         printf("restoring \"%s\"\n", $2);
 872         tree_append_json($2);
 873         free($2);
 874         tree_render();
 875     }
 876     ;
 877
 878 layout:
 879     TOK_LAYOUT layout_mode
 880     {
 881         printf("changing layout to %d\n", $2);
 882         owindow *current;
 883
 884         /* check if the match is empty, not if the result is empty */
 885         if (match_is_empty(&current_match))
 886             con_set_layout(focused->parent, $2);
 887         else {
 888             TAILQ_FOREACH(current, &owindows, owindows) {
 889                 printf("matching: %p / %s\n", current->con, current->con->name);
 890                 con_set_layout(current->con, $2);
 891             }
 892         }
 893
 894         tree_render();
 895     }
 896     ;
 897
 898 layout_mode:
 899     TOK_DEFAULT   { $$ = L_DEFAULT; }
 900     | TOK_STACKED { $$ = L_STACKED; }
 901     | TOK_TABBED  { $$ = L_TABBED; }
 902     ;
 903
 904 mark:
 905     TOK_MARK STR
 906     {
 907         printf("marking window with str %s\n", $2);
 908         owindow *current;
 909
 910         HANDLE_EMPTY_MATCH;
 911
 912         TAILQ_FOREACH(current, &owindows, owindows) {
 913             printf("matching: %p / %s\n", current->con, current->con->name);
 914             current->con->mark = sstrdup($2);
 915         }
 916
 917         free($<string>2);
 918
 919         tree_render();
 920     }
 921     ;
 922
 923 nop:
 924     TOK_NOP STR
 925     {
 926         printf("-------------------------------------------------\n");
 927         printf("  NOP: %s\n", $2);
 928         printf("-------------------------------------------------\n");
 929         free($2);
 930     }
 931     ;
 932
 933 resize:
 934     TOK_RESIZE resize_way direction resize_px resize_tiling
 935     {
 936         /* resize <grow|shrink> <direction> [<px> px] [or <ppt> ppt] */
 937         printf("resizing in way %d, direction %d, px %d or ppt %d\n", $2, $3, $4, $5);
 938         int direction = $3;
 939         int px = $4;
 940         int ppt = $5;
 941         if ($2 == TOK_SHRINK) {
 942             px *= -1;
 943             ppt *= -1;
 944         }
 945
 946         if (con_is_floating(focused)) {
 947             printf("floating resize\n");
 948             if (direction == TOK_UP) {
 949                 focused->parent->rect.y -= px;
 950                 focused->parent->rect.height += px;
 951             } else if (direction == TOK_DOWN) {
 952                 focused->parent->rect.height += px;
 953             } else if (direction == TOK_LEFT) {
 954                 focused->parent->rect.x -= px;
 955                 focused->parent->rect.width += px;
 956             } else {
 957                 focused->parent->rect.width += px;
 958             }
 959         } else {
 960             LOG("tiling resize\n");
 961             /* get the appropriate current container (skip stacked/tabbed cons) */
 962             Con *current = focused;
 963             while (current->parent->layout == L_STACKED ||
 964                    current->parent->layout == L_TABBED)
 965                 current = current->parent;
 966             /* get the default percentage */
 967             int children = con_num_children(current->parent);
 968             Con *other;
 969             LOG("ins. %d children\n", children);
 970             double percentage = 1.0 / children;
 971             LOG("default percentage = %f\n", percentage);
 972
 973             orientation_t orientation = current->parent->orientation;
 974
 975             if ((orientation == HORIZ &&
 976                  (direction == TOK_UP || direction == TOK_DOWN)) ||
 977                 (orientation == VERT &&
 978                  (direction == TOK_LEFT || direction == TOK_RIGHT))) {
 979                 LOG("You cannot resize in that direction. Your focus is in a %s split container currently.\n",
 980                     (orientation == HORIZ ? "horizontal" : "vertical"));
 981                 break;
 982             }
 983
 984             if (direction == TOK_UP || direction == TOK_LEFT) {
 985                 other = TAILQ_PREV(current, nodes_head, nodes);
 986             } else {
 987                 other = TAILQ_NEXT(current, nodes);
 988             }
 989             if (other == TAILQ_END(workspaces)) {
 990                 LOG("No other container in this direction found, cannot resize.\n");
 991                 break;
 992             }
 993             LOG("other->percent = %f\n", other->percent);
 994             LOG("current->percent before = %f\n", current->percent);
 995             if (current->percent == 0.0)
 996                 current->percent = percentage;
 997             if (other->percent == 0.0)
 998                 other->percent = percentage;
 999             double new_current_percent = current->percent + ((double)ppt / 100.0);
1000             double new_other_percent = other->percent - ((double)ppt / 100.0);
1001             LOG("new_current_percent = %f\n", new_current_percent);
1002             LOG("new_other_percent = %f\n", new_other_percent);
1003             /* Ensure that the new percentages are positive and greater than
1004              * 0.05 to have a reasonable minimum size. */
1005             if (definitelyGreaterThan(new_current_percent, 0.05, DBL_EPSILON) &&
1006                 definitelyGreaterThan(new_other_percent, 0.05, DBL_EPSILON)) {
1007                 current->percent += ((double)ppt / 100.0);
1008                 other->percent -= ((double)ppt / 100.0);
1009                 LOG("current->percent after = %f\n", current->percent);
1010                 LOG("other->percent after = %f\n", other->percent);
1011             } else {
1012                 LOG("Not resizing, already at minimum size\n");
1013             }
1014         }
1015
1016         tree_render();
1017     }
1018     ;
1019
1020 resize_px:
1021     /* empty */
1022     {
1023         $$ = 10;
1024     }
1025     | NUMBER TOK_PX
1026     {
1027         $$ = $1;
1028     }
1029     ;
1030
1031 resize_tiling:
1032     /* empty */
1033     {
1034         $$ = 10;
1035     }
1036     | TOK_OR NUMBER TOK_PPT
1037     {
1038         $$ = $2;
1039     }
1040     ;
1041
1042 resize_way:
1043     TOK_GROW        { $$ = TOK_GROW; }
1044     | TOK_SHRINK    { $$ = TOK_SHRINK; }
1045     ;
1046
1047 direction:
1048     TOK_UP          { $$ = TOK_UP; }
1049     | TOK_DOWN      { $$ = TOK_DOWN; }
1050     | TOK_LEFT      { $$ = TOK_LEFT; }
1051     | TOK_RIGHT     { $$ = TOK_RIGHT; }
1052     ;
1053
1054 mode:
1055     TOK_MODE STR
1056     {
1057         switch_mode($2);
1058     }
1059     ;