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