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 bool focus_window_in_container(xcb_connection_t *conn, Container *container, direction_t direction) {
  28         /* If this container is empty, we’re done */
  29         if (container->currently_focused == NULL)
  30                 return false;
  31
  32         /* Get the previous/next client or wrap around */
  33         Client *candidate = NULL;
  34         if (direction == D_UP) {
  35                 if ((candidate = CIRCLEQ_PREV_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
  36                         candidate = CIRCLEQ_LAST(&(container->clients));
  37         }
  38         else if (direction == D_DOWN) {
  39                 if ((candidate = CIRCLEQ_NEXT_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
  40                         candidate = CIRCLEQ_FIRST(&(container->clients));
  41         } else LOG("Direction not implemented!\n");
  42
  43         /* If we could not switch, the container contains exactly one client. We return false */
  44         if (candidate == container->currently_focused)
  45                 return false;
  46
  47         /* Set focus */
  48         set_focus(conn, candidate, true);
  49
  50         return true;
  51 }
  52
  53 typedef enum { THING_WINDOW, THING_CONTAINER } thing_t;
  54
  55 static void focus_thing(xcb_connection_t *conn, direction_t direction, thing_t thing) {
  56         LOG("focusing direction %d\n", direction);
  57
  58         int new_row = current_row,
  59             new_col = current_col;
  60
  61         Container *container = CUR_CELL;
  62         Workspace *t_ws = c_ws;
  63
  64         /* There always is a container. If not, current_col or current_row is wrong */
  65         assert(container != NULL);
  66
  67         if (container->workspace->fullscreen_client != NULL) {
  68                 LOG("You're in fullscreen mode. Won't switch focus\n");
  69                 return;
  70         }
  71
  72         /* TODO: for horizontal default layout, this has to be expanded to LEFT/RIGHT */
  73         if (direction == D_UP || direction == D_DOWN) {
  74                 if (thing == THING_WINDOW)
  75                         /* Let’s see if we can perform up/down focus in the current container */
  76                         if (focus_window_in_container(conn, container, direction))
  77                                 return;
  78
  79                 if (direction == D_DOWN && cell_exists(current_col, current_row+1))
  80                         new_row++;
  81                 else if (direction == D_UP && cell_exists(current_col, current_row-1))
  82                         new_row--;
  83                 else {
  84                         /* Let’s see if there is a screen down/up there to which we can switch */
  85                         LOG("container is at %d with height %d\n", container->y, container->height);
  86                         i3Screen *screen;
  87                         int destination_y = (direction == D_UP ? (container->y - 1) : (container->y + container->height + 1));
  88                         if ((screen = get_screen_containing(container->x, destination_y)) == NULL) {
  89                                 LOG("Wrapping screen around vertically\n");
  90                                 /* No screen found? Then wrap */
  91                                 screen = get_screen_most((direction == D_UP ? D_DOWN : D_UP));
  92                         }
  93                         t_ws = &(workspaces[screen->current_workspace]);
  94                         new_row = (direction == D_UP ? (t_ws->rows - 1) : 0);
  95                 }
  96         } else if (direction == D_LEFT || direction == D_RIGHT) {
  97                 if (direction == D_RIGHT && cell_exists(current_col+1, current_row))
  98                         new_col++;
  99                 else if (direction == D_LEFT && cell_exists(current_col-1, current_row))
 100                         new_col--;
 101                 else {
 102                         /* Let’s see if there is a screen left/right here to which we can switch */
 103                         LOG("container is at %d with width %d\n", container->x, container->width);
 104                         i3Screen *screen;
 105                         int destination_x = (direction == D_LEFT ? (container->x - 1) : (container->x + container->width + 1));
 106                         if ((screen = get_screen_containing(destination_x, container->y)) == NULL) {
 107                                 LOG("Wrapping screen around horizontally\n");
 108                                 screen = get_screen_most((direction == D_LEFT ? D_RIGHT : D_LEFT));
 109                         }
 110                         t_ws = &(workspaces[screen->current_workspace]);
 111                         new_col = (direction == D_LEFT ? (t_ws->cols - 1) : 0);
 112                 }
 113         } else {
 114                 LOG("direction unhandled\n");
 115                 return;
 116         }
 117
 118         /* Bounds checking */
 119         if (new_col >= t_ws->cols)
 120                 new_col = (t_ws->cols - 1);
 121         if (new_row >= t_ws->rows)
 122                 new_row = (t_ws->rows - 1);
 123
 124         if (t_ws->table[new_col][new_row]->currently_focused != NULL)
 125                 set_focus(conn, t_ws->table[new_col][new_row]->currently_focused, true);
 126 }
 127
 128 /*
 129  * Tries to move the window inside its current container.
 130  *
 131  * Returns true if the window could be moved, false otherwise.
 132  *
 133  */
 134 static bool move_current_window_in_container(xcb_connection_t *conn, Client *client,
 135                 direction_t direction) {
 136         assert(client->container != NULL);
 137
 138         Client *other = (direction == D_UP ? CIRCLEQ_PREV(client, clients) :
 139                                              CIRCLEQ_NEXT(client, clients));
 140
 141         if (other == CIRCLEQ_END(&(client->container->clients)))
 142                 return false;
 143
 144         LOG("i can do that\n");
 145         /* We can move the client inside its current container */
 146         CIRCLEQ_REMOVE(&(client->container->clients), client, clients);
 147         if (direction == D_UP)
 148                 CIRCLEQ_INSERT_BEFORE(&(client->container->clients), other, client, clients);
 149         else CIRCLEQ_INSERT_AFTER(&(client->container->clients), other, client, clients);
 150         render_layout(conn);
 151         return true;
 152 }
 153
 154 /*
 155  * Moves the current window or whole container to the given direction, creating a column/row if
 156  * necessary.
 157  *
 158  */
 159 static void move_current_window(xcb_connection_t *conn, direction_t direction) {
 160         LOG("moving window to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
 161                                             (direction == D_LEFT ? "left" : "right"))));
 162         /* Get current window */
 163         Container *container = CUR_CELL,
 164                   *new = NULL;
 165
 166         /* There has to be a container, see focus_window() */
 167         assert(container != NULL);
 168
 169         /* If there is no window or the dock window is focused, we’re done */
 170         if (container->currently_focused == NULL ||
 171             container->currently_focused->dock)
 172                 return;
 173
 174         /* As soon as the client is moved away, the next client in the old
 175          * container needs to get focus, if any. Therefore, we save it here. */
 176         Client *current_client = container->currently_focused;
 177         Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
 178         if (to_focus == NULL)
 179                 to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
 180
 181         switch (direction) {
 182                 case D_LEFT:
 183                         /* If we’re at the left-most position, move the rest of the table right */
 184                         if (current_col == 0) {
 185                                 expand_table_cols_at_head(c_ws);
 186                                 new = CUR_CELL;
 187                         } else
 188                                 new = CUR_TABLE[--current_col][current_row];
 189                         break;
 190                 case D_RIGHT:
 191                         if (current_col == (c_ws->cols-1))
 192                                 expand_table_cols(c_ws);
 193
 194                         new = CUR_TABLE[++current_col][current_row];
 195                         break;
 196                 case D_UP:
 197                         if (move_current_window_in_container(conn, current_client, D_UP))
 198                                 return;
 199
 200                         /* if we’re at the up-most position, move the rest of the table down */
 201                         if (current_row == 0) {
 202                                 expand_table_rows_at_head(c_ws);
 203                                 new = CUR_CELL;
 204                         } else
 205                                 new = CUR_TABLE[current_col][--current_row];
 206                         break;
 207                 case D_DOWN:
 208                         if (move_current_window_in_container(conn, current_client, D_DOWN))
 209                                 return;
 210
 211                         if (current_row == (c_ws->rows-1))
 212                                 expand_table_rows(c_ws);
 213
 214                         new = CUR_TABLE[current_col][++current_row];
 215                         break;
 216         }
 217
 218         /* Remove it from the old container and put it into the new one */
 219         remove_client_from_container(conn, current_client, container);
 220         CIRCLEQ_INSERT_TAIL(&(new->clients), current_client, clients);
 221         SLIST_INSERT_HEAD(&(new->workspace->focus_stack), current_client, focus_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, true);
 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         remove_client_from_container(conn, current_client, container);
 428
 429         CIRCLEQ_INSERT_TAIL(&(to_container->clients), current_client, clients);
 430         SLIST_INSERT_HEAD(&(to_container->workspace->focus_stack), current_client, focus_clients);
 431         LOG("Moved.\n");
 432
 433         current_client->container = to_container;
 434         container->currently_focused = to_focus;
 435         to_container->currently_focused = current_client;
 436
 437         /* If we’re moving it to an invisible screen, we need to unmap it */
 438         if (to_container->workspace->screen->current_workspace != to_container->workspace->num) {
 439                 LOG("This workspace is not visible, unmapping\n");
 440                 xcb_unmap_window(conn, current_client->frame);
 441         }
 442
 443         /* delete all empty columns/rows */
 444         cleanup_table(conn, container->workspace);
 445
 446         render_layout(conn);
 447 }
 448
 449 /*
 450  * Switches to the given workspace
 451  *
 452  */
 453 void show_workspace(xcb_connection_t *conn, int workspace) {
 454         Client *client;
 455         xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
 456         /* t_ws (to workspace) is just a convenience pointer to the workspace we’re switching to */
 457         Workspace *t_ws = &(workspaces[workspace-1]);
 458
 459         LOG("show_workspace(%d)\n", workspace);
 460
 461         /* Store current_row/current_col */
 462         c_ws->current_row = current_row;
 463         c_ws->current_col = current_col;
 464
 465         /* Check if the workspace has not been used yet */
 466         if (t_ws->screen == NULL) {
 467                 LOG("initializing new workspace, setting num to %d\n", workspace);
 468                 t_ws->screen = c_ws->screen;
 469                 /* Copy the dimensions from the virtual screen */
 470                 memcpy(&(t_ws->rect), &(t_ws->screen->rect), sizeof(Rect));
 471         }
 472
 473         if (c_ws->screen != t_ws->screen) {
 474                 /* We need to switch to the other screen first */
 475                 LOG("moving over to other screen.\n");
 476
 477                 /* Store the old client */
 478                 Client *old_client = CUR_CELL->currently_focused;
 479
 480                 c_ws = &(workspaces[t_ws->screen->current_workspace]);
 481                 current_col = c_ws->current_col;
 482                 current_row = c_ws->current_row;
 483                 if (CUR_CELL->currently_focused != NULL)
 484                         warp_pointer_into(conn, CUR_CELL->currently_focused);
 485                 else {
 486                         Rect *dims = &(c_ws->screen->rect);
 487                         xcb_warp_pointer(conn, XCB_NONE, root, 0, 0, 0, 0,
 488                                          dims->x + (dims->width / 2), dims->y + (dims->height / 2));
 489                 }
 490
 491                 /* Re-decorate the old client, it’s not focused anymore */
 492                 if ((old_client != NULL) && !old_client->dock)
 493                         redecorate_window(conn, old_client);
 494                 else xcb_flush(conn);
 495         }
 496
 497         /* Check if we need to change something or if we’re already there */
 498         if (c_ws->screen->current_workspace == (workspace-1))
 499                 return;
 500
 501         t_ws->screen->current_workspace = workspace-1;
 502
 503         /* TODO: does grabbing the server actually bring us any (speed)advantages? */
 504         //xcb_grab_server(conn);
 505
 506         ignore_enter_notify_forall(conn, c_ws, true);
 507
 508         /* Unmap all clients of the current workspace */
 509         int unmapped_clients = 0;
 510         FOR_TABLE(c_ws)
 511                 CIRCLEQ_FOREACH(client, &(c_ws->table[cols][rows]->clients), clients) {
 512                         xcb_unmap_window(conn, client->frame);
 513                         unmapped_clients++;
 514                 }
 515
 516         /* If we did not unmap any clients, the workspace is empty and we can destroy it */
 517         if (unmapped_clients == 0)
 518                 c_ws->screen = NULL;
 519
 520         /* Unmap the stack windows on the current workspace, if any */
 521         struct Stack_Window *stack_win;
 522         SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
 523                 if (stack_win->container->workspace == c_ws)
 524                         xcb_unmap_window(conn, stack_win->window);
 525
 526         ignore_enter_notify_forall(conn, c_ws, false);
 527
 528         c_ws = &workspaces[workspace-1];
 529         current_row = c_ws->current_row;
 530         current_col = c_ws->current_col;
 531         LOG("new current row = %d, current col = %d\n", current_row, current_col);
 532
 533         ignore_enter_notify_forall(conn, c_ws, true);
 534
 535         /* Map all clients on the new workspace */
 536         FOR_TABLE(c_ws)
 537                 CIRCLEQ_FOREACH(client, &(c_ws->table[cols][rows]->clients), clients)
 538                         xcb_map_window(conn, client->frame);
 539
 540         /* Map all stack windows, if any */
 541         SLIST_FOREACH(stack_win, &stack_wins, stack_windows)
 542                 if (stack_win->container->workspace == c_ws)
 543                         xcb_map_window(conn, stack_win->window);
 544
 545         ignore_enter_notify_forall(conn, c_ws, false);
 546
 547         /* Restore focus on the new workspace */
 548         if (CUR_CELL->currently_focused != NULL)
 549                 set_focus(conn, CUR_CELL->currently_focused, true);
 550         else xcb_set_input_focus(conn, XCB_INPUT_FOCUS_POINTER_ROOT, root, XCB_CURRENT_TIME);
 551
 552         //xcb_ungrab_server(conn);
 553
 554         render_layout(conn);
 555 }
 556
 557 /*
 558  * Parses a command, see file CMDMODE for more information
 559  *
 560  */
 561 void parse_command(xcb_connection_t *conn, const char *command) {
 562         LOG("--- parsing command \"%s\" ---\n", command);
 563         /* Hmm, just to be sure */
 564         if (command[0] == '\0')
 565                 return;
 566
 567         /* Is it an <exec>? Then execute the given command. */
 568         if (STARTS_WITH(command, "exec ")) {
 569                 LOG("starting \"%s\"\n", command + strlen("exec "));
 570                 start_application(command+strlen("exec "));
 571                 return;
 572         }
 573
 574         /* Is it an <exit>? */
 575         if (STARTS_WITH(command, "exit")) {
 576                 LOG("User issued exit-command, exiting without error.\n");
 577                 exit(EXIT_SUCCESS);
 578         }
 579
 580         /* Is it <restart>? Then restart in place. */
 581         if (STARTS_WITH(command, "restart")) {
 582                 LOG("restarting \"%s\"...\n", application_path);
 583                 execl(application_path, application_path, NULL);
 584                 /* not reached */
 585         }
 586
 587         if (STARTS_WITH(command, "kill")) {
 588                 if (CUR_CELL->currently_focused == NULL) {
 589                         LOG("There is no window to kill\n");
 590                         return;
 591                 }
 592
 593                 LOG("Killing current window\n");
 594                 kill_window(conn, CUR_CELL->currently_focused);
 595                 return;
 596         }
 597
 598         /* Is it 'f' for fullscreen? */
 599         if (command[0] == 'f') {
 600                 if (CUR_CELL->currently_focused == NULL)
 601                         return;
 602                 toggle_fullscreen(conn, CUR_CELL->currently_focused);
 603                 return;
 604         }
 605
 606         /* Is it just 's' for stacking or 'd' for default? */
 607         if ((command[0] == 's' || command[0] == 'd') && (command[1] == '\0')) {
 608                 LOG("Switching mode for current container\n");
 609                 switch_layout_mode(conn, CUR_CELL, (command[0] == 's' ? MODE_STACK : MODE_DEFAULT));
 610                 return;
 611         }
 612
 613         enum { WITH_WINDOW, WITH_CONTAINER } with = WITH_WINDOW;
 614
 615         /* Is it a <with>? */
 616         if (command[0] == 'w') {
 617                 command++;
 618                 /* TODO: implement */
 619                 if (command[0] == 'c') {
 620                         with = WITH_CONTAINER;
 621                         command++;
 622                 } else {
 623                         LOG("not yet implemented.\n");
 624                         return;
 625                 }
 626         }
 627
 628         /* It's a normal <cmd> */
 629         char *rest = NULL;
 630         enum { ACTION_FOCUS, ACTION_MOVE, ACTION_SNAP } action = ACTION_FOCUS;
 631         direction_t direction;
 632         int times = strtol(command, &rest, 10);
 633         if (rest == NULL) {
 634                 LOG("Invalid command (\"%s\")\n", command);
 635                 return;
 636         }
 637
 638         if (*rest == '\0') {
 639                 /* No rest? This was a tag number, not a times specification */
 640                 show_workspace(conn, times);
 641                 return;
 642         }
 643
 644         if (*rest == 'm' || *rest == 's') {
 645                 action = (*rest == 'm' ? ACTION_MOVE : ACTION_SNAP);
 646                 rest++;
 647         }
 648
 649         int workspace = strtol(rest, &rest, 10);
 650
 651         if (rest == NULL) {
 652                 LOG("Invalid command (\"%s\")\n", command);
 653                 return;
 654         }
 655
 656         if (*rest == '\0') {
 657                 move_current_window_to_workspace(conn, workspace);
 658                 return;
 659         }
 660
 661         /* Now perform action to <where> */
 662         while (*rest != '\0') {
 663                 if (*rest == 'h')
 664                         direction = D_LEFT;
 665                 else if (*rest == 'j')
 666                         direction = D_DOWN;
 667                 else if (*rest == 'k')
 668                         direction = D_UP;
 669                 else if (*rest == 'l')
 670                         direction = D_RIGHT;
 671                 else {
 672                         LOG("unknown direction: %c\n", *rest);
 673                         return;
 674                 }
 675
 676                 if (action == ACTION_FOCUS)
 677                         focus_thing(conn, direction, (with == WITH_WINDOW ? THING_WINDOW : THING_CONTAINER));
 678                 else if (action == ACTION_MOVE) {
 679                         if (with == WITH_WINDOW)
 680                                 move_current_window(conn, direction);
 681                         else move_current_container(conn, direction);
 682                 }
 683                 else if (action == ACTION_SNAP)
 684                         snap_current_container(conn, direction);
 685
 686                 rest++;
 687         }
 688
 689         LOG("--- done ---\n");
 690 }