git.sur5r.net Git - i3/i3/blob - src/commands.c

   1 /*
   2  * vim:ts=8:expandtab
   3  *
   4  * i3 - an improved dynamic tiling window manager
   5  *
   6  * © 2009 Michael Stapelberg and contributors
   7  *
   8  * See file LICENSE for license information.
   9  *
  10  */
  11 #include <stdbool.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <assert.h>
  15 #include <unistd.h>
  16 #include <string.h>
  17
  18 #include <xcb/xcb.h>
  19
  20 #include "util.h"
  21 #include "data.h"
  22 #include "table.h"
  23 #include "layout.h"
  24 #include "i3.h"
  25 #include "xinerama.h"
  26
  27 static bool focus_window_in_container(xcb_connection_t *conn, Container *container,
  28                 direction_t direction) {
  29         /* If this container is empty, we’re done */
  30         if (container->currently_focused == NULL)
  31                 return false;
  32
  33         /* Get the previous/next client or wrap around */
  34         Client *candidate = NULL;
  35         if (direction == D_UP) {
  36                 if ((candidate = CIRCLEQ_PREV_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
  37                         candidate = CIRCLEQ_LAST(&(container->clients));
  38         }
  39         else if (direction == D_DOWN) {
  40                 if ((candidate = CIRCLEQ_NEXT_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
  41                         candidate = CIRCLEQ_FIRST(&(container->clients));
  42         } else LOG("Direction not implemented!\n");
  43
  44         /* If we could not switch, the container contains exactly one client. We return false */
  45         if (candidate == container->currently_focused)
  46                 return false;
  47
  48         /* Set focus */
  49         set_focus(conn, candidate);
  50
  51         return true;
  52 }
  53
  54 typedef enum { THING_WINDOW, THING_CONTAINER } thing_t;
  55
  56 static void focus_thing(xcb_connection_t *conn, direction_t direction, thing_t thing) {
  57         LOG("focusing direction %d\n", direction);
  58
  59         int new_row = current_row,
  60             new_col = current_col;
  61
  62         Container *container = CUR_CELL;
  63         Workspace *t_ws = c_ws;
  64
  65         /* There always is a container. If not, current_col or current_row is wrong */
  66         assert(container != NULL);
  67
  68         if (container->workspace->fullscreen_client != NULL) {
  69                 LOG("You're in fullscreen mode. Won't switch focus\n");
  70                 return;
  71         }
  72
  73         /* TODO: for horizontal default layout, this has to be expanded to LEFT/RIGHT */
  74         if (direction == D_UP || direction == D_DOWN) {
  75                 if (thing == THING_WINDOW)
  76                         /* Let’s see if we can perform up/down focus in the current container */
  77                         if (focus_window_in_container(conn, container, direction))
  78                                 return;
  79
  80                 if (direction == D_DOWN && cell_exists(current_col, current_row+1))
  81                         new_row++;
  82                 else if (direction == D_UP && cell_exists(current_col, current_row-1))
  83                         new_row--;
  84                 else {
  85                         /* Let’s see if there is a screen down/up there to which we can switch */
  86                         LOG("container is at %d with height %d\n", container->y, container->height);
  87                         i3Screen *screen;
  88                         int destination_y = (direction == D_UP ? (container->y - 1) : (container->y + container->height + 1));
  89                         if ((screen = get_screen_containing(container->x, destination_y)) == NULL) {
  90                                 LOG("Wrapping screen around vertically\n");
  91                                 /* No screen found? Then wrap */
  92                                 screen = get_screen_most((direction == D_UP ? D_DOWN : D_UP));
  93                         }
  94                         t_ws = &(workspaces[screen->current_workspace]);
  95                         new_row = (direction == D_UP ? (t_ws->rows - 1) : 0);
  96                 }
  97         } else if (direction == D_LEFT || direction == D_RIGHT) {
  98                 if (direction == D_RIGHT && cell_exists(current_col+1, current_row))
  99                         new_col++;
 100                 else if (direction == D_LEFT && cell_exists(current_col-1, current_row))
 101                         new_col--;
 102                 else {
 103                         /* Let’s see if there is a screen left/right here to which we can switch */
 104                         LOG("container is at %d with width %d\n", container->x, container->width);
 105                         i3Screen *screen;
 106                         int destination_x = (direction == D_LEFT ? (container->x - 1) : (container->x + container->width + 1));
 107                         if ((screen = get_screen_containing(destination_x, container->y)) == NULL) {
 108                                 LOG("Wrapping screen around horizontally\n");
 109                                 screen = get_screen_most((direction == D_LEFT ? D_RIGHT : D_LEFT));
 110                         }
 111                         t_ws = &(workspaces[screen->current_workspace]);
 112                         new_col = (direction == D_LEFT ? (t_ws->cols - 1) : 0);
 113                 }
 114         } else {
 115                 LOG("direction unhandled\n");
 116                 return;
 117         }
 118
 119         /* Bounds checking */
 120         if (new_col >= t_ws->cols)
 121                 new_col = (t_ws->cols - 1);
 122         if (new_row >= t_ws->rows)
 123                 new_row = (t_ws->rows - 1);
 124
 125         if (t_ws->table[new_col][new_row]->currently_focused != NULL)
 126                 set_focus(conn, t_ws->table[new_col][new_row]->currently_focused);
 127 }
 128
 129 /*
 130  * Tries to move the window inside its current container.
 131  *
 132  * Returns true if the window could be moved, false otherwise.
 133  *
 134  */
 135 static bool move_current_window_in_container(xcb_connection_t *conn, Client *client,
 136                 direction_t direction) {
 137         assert(client->container != NULL);
 138
 139         Client *other = (direction == D_UP ? CIRCLEQ_PREV(client, clients) :
 140                                              CIRCLEQ_NEXT(client, clients));
 141
 142         if (other == CIRCLEQ_END(&(client->container->clients)))
 143                 return false;
 144
 145         LOG("i can do that\n");
 146         /* We can move the client inside its current container */
 147         CIRCLEQ_REMOVE(&(client->container->clients), client, clients);
 148         if (direction == D_UP)
 149                 CIRCLEQ_INSERT_BEFORE(&(client->container->clients), other, client, clients);
 150         else CIRCLEQ_INSERT_AFTER(&(client->container->clients), other, client, clients);
 151         render_layout(conn);
 152         return true;
 153 }
 154
 155 /*
 156  * Moves the current window or whole container to the given direction, creating a column/row if
 157  * necessary.
 158  *
 159  */
 160 static void move_current_window(xcb_connection_t *conn, direction_t direction) {
 161         LOG("moving window to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
 162                                             (direction == D_LEFT ? "left" : "right"))));
 163         /* Get current window */
 164         Container *container = CUR_CELL,
 165                   *new = NULL;
 166
 167         /* There has to be a container, see focus_window() */
 168         assert(container != NULL);
 169
 170         /* If there is no window or the dock window is focused, we’re done */
 171         if (container->currently_focused == NULL ||
 172             container->currently_focused->dock)
 173                 return;
 174
 175         /* As soon as the client is moved away, the next client in the old
 176          * container needs to get focus, if any. Therefore, we save it here. */
 177         Client *current_client = container->currently_focused;
 178         Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
 179         if (to_focus == NULL)
 180                 to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
 181
 182         switch (direction) {
 183                 case D_LEFT:
 184                         /* If we’re at the left-most position, move the rest of the table right */
 185                         if (current_col == 0) {
 186                                 expand_table_cols_at_head(c_ws);
 187                                 new = CUR_CELL;
 188                         } else
 189                                 new = CUR_TABLE[--current_col][current_row];
 190                         break;
 191                 case D_RIGHT:
 192                         if (current_col == (c_ws->cols-1))
 193                                 expand_table_cols(c_ws);
 194
 195                         new = CUR_TABLE[++current_col][current_row];
 196                         break;
 197                 case D_UP:
 198                         if (move_current_window_in_container(conn, current_client, D_UP))
 199                                 return;
 200
 201                         /* if we’re at the up-most position, move the rest of the table down */
 202                         if (current_row == 0) {
 203                                 expand_table_rows_at_head(c_ws);
 204                                 new = CUR_CELL;
 205                         } else
 206                                 new = CUR_TABLE[current_col][--current_row];
 207                         break;
 208                 case D_DOWN:
 209                         if (move_current_window_in_container(conn, current_client, D_DOWN))
 210                                 return;
 211
 212                         if (current_row == (c_ws->rows-1))
 213                                 expand_table_rows(c_ws);
 214
 215                         new = CUR_TABLE[current_col][++current_row];
 216                         break;
 217         }
 218
 219         /* Remove it from the old container and put it into the new one */
 220         remove_client_from_container(conn, current_client, container);
 221         CIRCLEQ_INSERT_TAIL(&(new->clients), current_client, clients);
 222
 223         /* Update data structures */
 224         current_client->container = new;
 225         container->currently_focused = to_focus;
 226         new->currently_focused = current_client;
 227
 228         Workspace *workspace = container->workspace;
 229
 230         /* delete all empty columns/rows */
 231         cleanup_table(conn, workspace);
 232
 233         /* Fix colspan/rowspan if it’d overlap */
 234         fix_colrowspan(conn, workspace);
 235
 236         render_layout(conn);
 237
 238         set_focus(conn, current_client);
 239 }
 240
 241 static void move_current_container(xcb_connection_t *conn, direction_t direction) {
 242         LOG("moving container to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
 243                                             (direction == D_LEFT ? "left" : "right"))));
 244         /* Get current window */
 245         Container *container = CUR_CELL,
 246                   *new = NULL;
 247
 248         Container **old = &CUR_CELL;
 249
 250         /* There has to be a container, see focus_window() */
 251         assert(container != NULL);
 252
 253         switch (direction) {
 254                 case D_LEFT:
 255                         /* If we’re at the left-most position, move the rest of the table right */
 256                         if (current_col == 0) {
 257                                 expand_table_cols_at_head(c_ws);
 258                                 new = CUR_CELL;
 259                                 old = &CUR_TABLE[current_col+1][current_row];
 260                         } else
 261                                 new = CUR_TABLE[--current_col][current_row];
 262                         break;
 263                 case D_RIGHT:
 264                         if (current_col == (c_ws->cols-1))
 265                                 expand_table_cols(c_ws);
 266
 267                         new = CUR_TABLE[++current_col][current_row];
 268                         break;
 269                 case D_UP:
 270                         /* if we’re at the up-most position, move the rest of the table down */
 271                         if (current_row == 0) {
 272                                 expand_table_rows_at_head(c_ws);
 273                                 new = CUR_CELL;
 274                                 old = &CUR_TABLE[current_col][current_row+1];
 275                         } else
 276                                 new = CUR_TABLE[current_col][--current_row];
 277                         break;
 278                 case D_DOWN:
 279                         if (current_row == (c_ws->rows-1))
 280                                 expand_table_rows(c_ws);
 281
 282                         new = CUR_TABLE[current_col][++current_row];
 283                         break;
 284         }
 285
 286         LOG("old = %d,%d and new = %d,%d\n", container->col, container->row, new->col, new->row);
 287
 288         /* Swap the containers */
 289         int col = new->col;
 290         int row = new->row;
 291
 292         *old = new;
 293         new->col = container->col;
 294         new->row = container->row;
 295
 296         CUR_CELL = container;
 297         container->col = col;
 298         container->row = row;
 299
 300         Workspace *workspace = container->workspace;
 301
 302         /* delete all empty columns/rows */
 303         cleanup_table(conn, workspace);
 304
 305         /* Fix colspan/rowspan if it’d overlap */
 306         fix_colrowspan(conn, workspace);
 307
 308         render_layout(conn);
 309 }
 310
 311 /*
 312  * "Snaps" the current container (not possible for windows, because it works at table base)
 313  * to the given direction, that is, adjusts cellspan/rowspan
 314  *
 315  */
 316 static void snap_current_container(xcb_connection_t *conn, direction_t direction) {
 317         LOG("snapping container to direction %d\n", direction);
 318
 319         Container *container = CUR_CELL;
 320
 321         assert(container != NULL);
 322
 323         switch (direction) {
 324                 case D_LEFT:
 325                         /* Snap to the left is actually a move to the left and then a snap right */
 326                         if (!cell_exists(container->col - 1, container->row) ||
 327                                 CUR_TABLE[container->col-1][container->row]->currently_focused != NULL) {
 328                                 LOG("cannot snap to left - the cell is already used\n");
 329                                 return;
 330                         }
 331
 332                         move_current_window(conn, D_LEFT);
 333                         snap_current_container(conn, D_RIGHT);
 334                         return;
 335                 case D_RIGHT: {
 336                         /* Check if the cell is used */
 337                         int new_col = container->col + container->colspan;
 338                         if (!cell_exists(new_col, container->row) ||
 339                                 CUR_TABLE[new_col][container->row]->currently_focused != NULL) {
 340                                 LOG("cannot snap to right - the cell is already used\n");
 341                                 return;
 342                         }
 343
 344                         /* Check if there are other cells with rowspan, which are in our way.
 345                          * If so, reduce their rowspan. */
 346                         for (int i = container->row-1; i >= 0; i--) {
 347                                 LOG("we got cell %d, %d with rowspan %d\n",
 348                                                 new_col, i, CUR_TABLE[new_col][i]->rowspan);
 349                                 while ((CUR_TABLE[new_col][i]->rowspan-1) >= (container->row - i))
 350                                         CUR_TABLE[new_col][i]->rowspan--;
 351                                 LOG("new rowspan = %d\n", CUR_TABLE[new_col][i]->rowspan);
 352                         }
 353
 354                         container->colspan++;
 355                         break;
 356                 }
 357                 case D_UP:
 358                         if (!cell_exists(container->col, container->row - 1) ||
 359                                 CUR_TABLE[container->col][container->row-1]->currently_focused != NULL) {
 360                                 LOG("cannot snap to top - the cell is already used\n");
 361                                 return;
 362                         }
 363
 364                         move_current_window(conn, D_UP);
 365                         snap_current_container(conn, D_DOWN);
 366                         return;
 367                 case D_DOWN: {
 368                         LOG("snapping down\n");
 369                         int new_row = container->row + container->rowspan;
 370                         if (!cell_exists(container->col, new_row) ||
 371                                 CUR_TABLE[container->col][new_row]->currently_focused != NULL) {
 372                                 LOG("cannot snap down - the cell is already used\n");
 373                                 return;
 374                         }
 375
 376                         for (int i = container->col-1; i >= 0; i--) {
 377                                 LOG("we got cell %d, %d with colspan %d\n",
 378                                                 i, new_row, CUR_TABLE[i][new_row]->colspan);
 379                                 while ((CUR_TABLE[i][new_row]->colspan-1) >= (container->col - i))
 380                                         CUR_TABLE[i][new_row]->colspan--;
 381                                 LOG("new colspan = %d\n", CUR_TABLE[i][new_row]->colspan);
 382
 383                         }
 384
 385                         container->rowspan++;
 386                         break;
 387                 }
 388         }
 389
 390         render_layout(conn);
 391 }
 392
 393 /*
 394  * Moves the currently selected window to the given workspace
 395  *
 396  */
 397 static void move_current_window_to_workspace(xcb_connection_t *conn, int workspace) {
 398         LOG("Moving current window to workspace %d\n", workspace);
 399
 400         Container *container = CUR_CELL;
 401
 402         assert(container != NULL);
 403
 404         /* t_ws (to workspace) is just a container pointer to the workspace we’re switching to */
 405         Workspace *t_ws = &(workspaces[workspace-1]);
 406
 407         Client *current_client = container->currently_focused;
 408         if (current_client == NULL) {
 409                 LOG("No currently focused client in current container.\n");
 410                 return;
 411         }
 412         Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
 413         if (to_focus == NULL)
 414                 to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
 415
 416         if (t_ws->screen == NULL) {
 417                 LOG("initializing new workspace, setting num to %d\n", workspace-1);
 418                 t_ws->screen = container->workspace->screen;
 419                 /* Copy the dimensions from the virtual screen */
 420                 memcpy(&(t_ws->rect), &(container->workspace->screen->rect), sizeof(Rect));
 421         }
 422
 423         Container *to_container = t_ws->table[t_ws->current_col][t_ws->current_row];
 424
 425         assert(to_container != NULL);
 426
 427         CIRCLEQ_REMOVE(&(container->clients), current_client, clients);
 428         SLIST_REMOVE(&(container->workspace->focus_stack), current_client, Client, focus_clients);
 429
 430         CIRCLEQ_INSERT_TAIL(&(to_container->clients), current_client, clients);
 431         SLIST_INSERT_HEAD(&(to_container->workspace->focus_stack), current_client, focus_clients);
 432         LOG("Moved.\n");
 433
 434         current_client->container = to_container;
 435         container->currently_focused = to_focus;
 436         to_container->currently_focused = current_client;
 437
 438         /* If we’re moving it to an invisible screen, we need to unmap it */
 439         if (to_container->workspace->screen->current_workspace != to_container->workspace->num) {
 440                 LOG("This workspace is not visible, unmapping\n");
 441                 xcb_unmap_window(conn, current_client->frame);
 442         }
 443
 444         /* delete all empty columns/rows */
 445         cleanup_table(conn, container->workspace);
 446
 447         render_layout(conn);
 448 }
 449
 450 /*
 451  * Switches to the given workspace
 452  *
 453  */
 454 void show_workspace(xcb_connection_t *conn, int workspace) {
 455         Client *client;
 456         xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
 457         /* t_ws (to workspace) is just a convenience pointer to the workspace we’re switching to */
 458         Workspace *t_ws = &(workspaces[workspace-1]);
 459
 460         LOG("show_workspace(%d)\n", workspace);
 461
 462         /* Store current_row/current_col */
 463         c_ws->current_row = current_row;
 464         c_ws->current_col = current_col;
 465
 466         /* Check if the workspace has not been used yet */
 467         if (t_ws->screen == NULL) {
 468                 LOG("initializing new workspace, setting num to %d\n", workspace);
 469                 t_ws->screen = c_ws->screen;
 470                 /* Copy the dimensions from the virtual screen */
 471                 memcpy(&(t_ws->rect), &(t_ws->screen->rect), sizeof(Rect));
 472         }
 473
 474         if (c_ws->screen != t_ws->screen) {
 475                 /* We need to switch to the other screen first */
 476                 LOG("moving over to other screen.\n");
 477                 c_ws = &(workspaces[t_ws->screen->current_workspace]);
 478                 current_col = c_ws->current_col;
 479                 current_row = c_ws->current_row;
 480                 if (CUR_CELL->currently_focused != NULL)
 481                         warp_pointer_into(conn, CUR_CELL->currently_focused);
 482                 else {
 483                         Rect *dims = &(c_ws->screen->rect);
 484                         xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0,
 485                                          dims->x + (dims->width / 2), dims->y + (dims->height / 2));
 486                 }
 487         }
 488
 489         /* Check if we need to change something or if we’re already there */
 490         if (c_ws->screen->current_workspace == (workspace-1))
 491                 return;
 492
 493         t_ws->screen->current_workspace = workspace-1;
 494
 495         /* TODO: does grabbing the server actually bring us any (speed)advantages? */
 496         //xcb_grab_server(conn);
 497
 498         ignore_enter_notify_forall(conn, c_ws, true);
 499
 500         /* Unmap all clients of the current workspace */
 501         int unmapped_clients = 0;
 502         FOR_TABLE(c_ws)
 503                 CIRCLEQ_FOREACH(client, &(c_ws->table[cols][rows]->clients), clients) {
 504                         xcb_unmap_window(conn, client->frame);
 505                         unmapped_clients++;
 506                 }
 507
 508         /* If we did not unmap any clients, the workspace is empty and we can destroy it */
 509         if (unmapped_clients == 0)
 510                 c_ws->screen = NULL;
 511
 512         /* Unmap the stack windows on the current workspace, if any */
 513         struct Stack_Window *stack_win;
 514         SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
 515                 if (stack_win->container->workspace == c_ws)
 516                         xcb_unmap_window(conn, stack_win->window);
 517
 518         ignore_enter_notify_forall(conn, c_ws, false);
 519
 520         c_ws = &workspaces[workspace-1];
 521         current_row = c_ws->current_row;
 522         current_col = c_ws->current_col;
 523         LOG("new current row = %d, current col = %d\n", current_row, current_col);
 524
 525         ignore_enter_notify_forall(conn, c_ws, true);
 526
 527         /* Map all clients on the new workspace */
 528         FOR_TABLE(c_ws)
 529                 CIRCLEQ_FOREACH(client, &(c_ws->table[cols][rows]->clients), clients)
 530                         xcb_map_window(conn, client->frame);
 531
 532         /* Map all stack windows, if any */
 533         SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
 534                 if (stack_win->container->workspace == c_ws)
 535                         xcb_map_window(conn, stack_win->window);
 536
 537         ignore_enter_notify_forall(conn, c_ws, false);
 538
 539         /* Restore focus on the new workspace */
 540         if (CUR_CELL->currently_focused != NULL)
 541                 set_focus(conn, CUR_CELL->currently_focused);
 542         else xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
 543
 544         //xcb_ungrab_server(conn);
 545
 546         render_layout(conn);
 547 }
 548
 549 /*
 550  * Parses a command, see file CMDMODE for more information
 551  *
 552  */
 553 void parse_command(xcb_connection_t *conn, const char *command) {
 554         LOG("--- parsing command \"%s\" ---\n", command);
 555         /* Hmm, just to be sure */
 556         if (command[0] == '\0')
 557                 return;
 558
 559         /* Is it an <exec>? Then execute the given command. */
 560         if (STARTS_WITH(command, "exec ")) {
 561                 LOG("starting \"%s\"\n", command + strlen("exec "));
 562                 start_application(command+strlen("exec "));
 563                 return;
 564         }
 565
 566         /* Is it an <exit>? */
 567         if (STARTS_WITH(command, "exit")) {
 568                 LOG("User issued exit-command, exiting without error.\n");
 569                 exit(EXIT_SUCCESS);
 570         }
 571
 572         /* Is it <restart>? Then restart in place. */
 573         if (STARTS_WITH(command, "restart")) {
 574                 LOG("restarting \"%s\"...\n", application_path);
 575                 execl(application_path, application_path, NULL);
 576                 /* not reached */
 577         }
 578
 579         if (STARTS_WITH(command, "kill")) {
 580                 if (CUR_CELL->currently_focused == NULL) {
 581                         LOG("There is no window to kill\n");
 582                         return;
 583                 }
 584
 585                 LOG("Killing current window\n");
 586                 kill_window(conn, CUR_CELL->currently_focused);
 587                 return;
 588         }
 589
 590         /* Is it 'f' for fullscreen? */
 591         if (command[0] == 'f') {
 592                 if (CUR_CELL->currently_focused == NULL)
 593                         return;
 594                 toggle_fullscreen(conn, CUR_CELL->currently_focused);
 595                 return;
 596         }
 597
 598         /* Is it just 's' for stacking or 'd' for default? */
 599         if ((command[0] == 's' || command[0] == 'd') && (command[1] == '\0')) {
 600                 LOG("Switching mode for current container\n");
 601                 switch_layout_mode(conn, CUR_CELL, (command[0] == 's' ? MODE_STACK : MODE_DEFAULT));
 602                 return;
 603         }
 604
 605         enum { WITH_WINDOW, WITH_CONTAINER } with = WITH_WINDOW;
 606
 607         /* Is it a <with>? */
 608         if (command[0] == 'w') {
 609                 command++;
 610                 /* TODO: implement */
 611                 if (command[0] == 'c') {
 612                         with = WITH_CONTAINER;
 613                         command++;
 614                 } else {
 615                         LOG("not yet implemented.\n");
 616                         return;
 617                 }
 618         }
 619
 620         /* It's a normal <cmd> */
 621         char *rest = NULL;
 622         enum { ACTION_FOCUS, ACTION_MOVE, ACTION_SNAP } action = ACTION_FOCUS;
 623         direction_t direction;
 624         int times = strtol(command, &rest, 10);
 625         if (rest == NULL) {
 626                 LOG("Invalid command (\"%s\")\n", command);
 627                 return;
 628         }
 629
 630         if (*rest == '\0') {
 631                 /* No rest? This was a tag number, not a times specification */
 632                 show_workspace(conn, times);
 633                 return;
 634         }
 635
 636         if (*rest == 'm' || *rest == 's') {
 637                 action = (*rest == 'm' ? ACTION_MOVE : ACTION_SNAP);
 638                 rest++;
 639         }
 640
 641         int workspace = strtol(rest, &rest, 10);
 642
 643         if (rest == NULL) {
 644                 LOG("Invalid command (\"%s\")\n", command);
 645                 return;
 646         }
 647
 648         if (*rest == '\0') {
 649                 move_current_window_to_workspace(conn, workspace);
 650                 return;
 651         }
 652
 653         /* Now perform action to <where> */
 654         while (*rest != '\0') {
 655                 if (*rest == 'h')
 656                         direction = D_LEFT;
 657                 else if (*rest == 'j')
 658                         direction = D_DOWN;
 659                 else if (*rest == 'k')
 660                         direction = D_UP;
 661                 else if (*rest == 'l')
 662                         direction = D_RIGHT;
 663                 else {
 664                         LOG("unknown direction: %c\n", *rest);
 665                         return;
 666                 }
 667
 668                 if (action == ACTION_FOCUS)
 669                         focus_thing(conn, direction, (with == WITH_WINDOW ? THING_WINDOW : THING_CONTAINER));
 670                 else if (action == ACTION_MOVE) {
 671                         if (with == WITH_WINDOW)
 672                                 move_current_window(conn, direction);
 673                         else move_current_container(conn, direction);
 674                 }
 675                 else if (action == ACTION_SNAP)
 676                         snap_current_container(conn, direction);
 677
 678                 rest++;
 679         }
 680
 681         LOG("--- done ---\n");
 682 }