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src/commands.c

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00001 /*
00002  * vim:ts=8:expandtab
00003  *
00004  * i3 - an improved dynamic tiling window manager
00005  *
00006  * © 2009-2010 Michael Stapelberg and contributors
00007  *
00008  * See file LICENSE for license information.
00009  *
00010  */
00011 #include <stdbool.h>
00012 #include <stdio.h>
00013 #include <stdlib.h>
00014 #include <assert.h>
00015 #include <unistd.h>
00016 #include <string.h>
00017 
00018 #include <xcb/xcb.h>
00019 
00020 #include "util.h"
00021 #include "data.h"
00022 #include "table.h"
00023 #include "layout.h"
00024 #include "i3.h"
00025 #include "randr.h"
00026 #include "client.h"
00027 #include "floating.h"
00028 #include "xcb.h"
00029 #include "config.h"
00030 #include "workspace.h"
00031 #include "commands.h"
00032 #include "resize.h"
00033 #include "log.h"
00034 #include "sighandler.h"
00035 #include "manage.h"
00036 #include "ipc.h"
00037 
00038 bool focus_window_in_container(xcb_connection_t *conn, Container *container, direction_t direction) {
00039         /* If this container is empty, we’re done */
00040         if (container->currently_focused == NULL)
00041                 return false;
00042 
00043         /* Get the previous/next client or wrap around */
00044         Client *candidate = NULL;
00045         if (direction == D_UP) {
00046                 if ((candidate = CIRCLEQ_PREV_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
00047                         candidate = CIRCLEQ_LAST(&(container->clients));
00048         }
00049         else if (direction == D_DOWN) {
00050                 if ((candidate = CIRCLEQ_NEXT_OR_NULL(&(container->clients), container->currently_focused, clients)) == NULL)
00051                         candidate = CIRCLEQ_FIRST(&(container->clients));
00052         } else ELOG("Direction not implemented!\n");
00053 
00054         /* If we could not switch, the container contains exactly one client. We return false */
00055         if (candidate == container->currently_focused)
00056                 return false;
00057 
00058         /* Set focus */
00059         set_focus(conn, candidate, true);
00060 
00061         return true;
00062 }
00063 
00064 typedef enum { THING_WINDOW, THING_CONTAINER, THING_SCREEN } thing_t;
00065 
00066 static void jump_to_mark(xcb_connection_t *conn, const char *mark) {
00067         Client *current;
00068         LOG("Jumping to \"%s\"\n", mark);
00069 
00070         Workspace *ws;
00071         TAILQ_FOREACH(ws, workspaces, workspaces)
00072                 SLIST_FOREACH(current, &(ws->focus_stack), focus_clients) {
00073                         if (current->mark == NULL || strcmp(current->mark, mark) != 0)
00074                                 continue;
00075 
00076                         set_focus(conn, current, true);
00077                         workspace_show(conn, current->workspace->num + 1);
00078                         return;
00079                 }
00080 
00081         ELOG("No window with this mark found\n");
00082 }
00083 
00084 static void focus_thing(xcb_connection_t *conn, direction_t direction, thing_t thing) {
00085         DLOG("focusing direction %d\n", direction);
00086 
00087         int new_row = current_row,
00088             new_col = current_col;
00089         Container *container = CUR_CELL;
00090         Workspace *t_ws = c_ws;
00091 
00092         /* Makes sure new_col and new_row are within bounds of the new workspace */
00093 #define CHECK_COLROW_BOUNDARIES \
00094         do { \
00095                 if (new_col >= t_ws->cols) \
00096                         new_col = (t_ws->cols - 1); \
00097                 if (new_row >= t_ws->rows) \
00098                         new_row = (t_ws->rows - 1); \
00099         } while (0)
00100 
00101         /* There always is a container. If not, current_col or current_row is wrong */
00102         assert(container != NULL);
00103 
00104         if (container->workspace->fullscreen_client != NULL) {
00105                 LOG("You're in fullscreen mode. Forcing focus to operate on whole screens\n");
00106                 thing = THING_SCREEN;
00107         }
00108 
00109         /* For focusing screens, situation is different: we get the rect
00110          * of the current screen, then get the screen which is on its
00111          * right/left/bottom/top and just switch to the workspace on
00112          * the target screen. */
00113         if (thing == THING_SCREEN) {
00114                 Output *cs = c_ws->output;
00115                 assert(cs != NULL);
00116                 Rect bounds = cs->rect;
00117 
00118                 if (direction == D_RIGHT)
00119                         bounds.x += bounds.width;
00120                 else if (direction == D_LEFT)
00121                         bounds.x -= bounds.width;
00122                 else if (direction == D_UP)
00123                         bounds.y -= bounds.height;
00124                 else bounds.y += bounds.height;
00125 
00126                 Output *target = get_output_containing(bounds.x, bounds.y);
00127                 if (target == NULL) {
00128                         DLOG("Target output NULL\n");
00129                         /* Wrap around if the target screen is out of bounds */
00130                         if (direction == D_RIGHT)
00131                                 target = get_output_most(D_LEFT, cs);
00132                         else if (direction == D_LEFT)
00133                                 target = get_output_most(D_RIGHT, cs);
00134                         else if (direction == D_UP)
00135                                 target = get_output_most(D_DOWN, cs);
00136                         else target = get_output_most(D_UP, cs);
00137                 }
00138 
00139                 DLOG("Switching to ws %d\n", target->current_workspace + 1);
00140                 workspace_show(conn, target->current_workspace->num + 1);
00141                 return;
00142         }
00143 
00144         /* TODO: for horizontal default layout, this has to be expanded to LEFT/RIGHT */
00145         if (direction == D_UP || direction == D_DOWN) {
00146                 if (thing == THING_WINDOW)
00147                         /* Let’s see if we can perform up/down focus in the current container */
00148                         if (focus_window_in_container(conn, container, direction))
00149                                 return;
00150 
00151                 if (direction == D_DOWN && cell_exists(t_ws, current_col, current_row+1))
00152                         new_row = current_row + t_ws->table[current_col][current_row]->rowspan;
00153                 else if (direction == D_UP && cell_exists(c_ws, current_col, current_row-1)) {
00154                         /* Set new_row as a sane default, but it may get overwritten in a second */
00155                         new_row--;
00156 
00157                         /* Search from the top to correctly handle rowspanned containers */
00158                         for (int rows = 0; rows < current_row; rows += t_ws->table[current_col][rows]->rowspan) {
00159                                 if (new_row > (rows + (t_ws->table[current_col][rows]->rowspan - 1)))
00160                                         continue;
00161 
00162                                 new_row = rows;
00163                                 break;
00164                         }
00165                 } else {
00166                         /* Let’s see if there is a screen down/up there to which we can switch */
00167                         DLOG("container is at %d with height %d\n", container->y, container->height);
00168                         Output *output;
00169                         int destination_y = (direction == D_UP ? (container->y - 1) : (container->y + container->height + 1));
00170                         if ((output = get_output_containing(container->x, destination_y)) == NULL) {
00171                                 DLOG("Wrapping screen around vertically\n");
00172                                 /* No screen found? Then wrap */
00173                                 output = get_output_most((direction == D_UP ? D_DOWN : D_UP), container->workspace->output);
00174                         }
00175                         t_ws = output->current_workspace;
00176                         new_row = (direction == D_UP ? (t_ws->rows - 1) : 0);
00177                 }
00178 
00179                 CHECK_COLROW_BOUNDARIES;
00180 
00181                 DLOG("new_col = %d, new_row = %d\n", new_col, new_row);
00182                 if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
00183                         DLOG("Cell empty, checking for colspanned client above...\n");
00184                         for (int cols = 0; cols < new_col; cols += t_ws->table[cols][new_row]->colspan) {
00185                                 if (new_col > (cols + (t_ws->table[cols][new_row]->colspan - 1)))
00186                                         continue;
00187 
00188                                 new_col = cols;
00189                                 DLOG("Fixed it to new col %d\n", new_col);
00190                                 break;
00191                         }
00192                 }
00193 
00194                 if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
00195                         DLOG("Cell still empty, checking for full cols above spanned width...\n");
00196                         DLOG("new_col = %d\n", new_col);
00197                         DLOG("colspan = %d\n", container->colspan);
00198                         for (int cols = new_col;
00199                              cols < container->col + container->colspan;
00200                              cols += t_ws->table[cols][new_row]->colspan) {
00201                                 DLOG("candidate: new_row = %d, cols = %d\n", new_row, cols);
00202                                 if (t_ws->table[cols][new_row]->currently_focused == NULL)
00203                                         continue;
00204 
00205                                 new_col = cols;
00206                                 DLOG("Fixed it to new col %d\n", new_col);
00207                                 break;
00208                         }
00209                 }
00210         } else if (direction == D_LEFT || direction == D_RIGHT) {
00211                 if (direction == D_RIGHT && cell_exists(t_ws, current_col+1, current_row))
00212                         new_col = current_col + t_ws->table[current_col][current_row]->colspan;
00213                 else if (direction == D_LEFT && cell_exists(t_ws, current_col-1, current_row)) {
00214                         /* Set new_col as a sane default, but it may get overwritten in a second */
00215                         new_col--;
00216 
00217                         /* Search from the left to correctly handle colspanned containers */
00218                         for (int cols = 0; cols < current_col; cols += t_ws->table[cols][current_row]->colspan) {
00219                                 if (new_col > (cols + (t_ws->table[cols][current_row]->colspan - 1)))
00220                                         continue;
00221 
00222                                 new_col = cols;
00223                                 break;
00224                         }
00225                 } else {
00226                         /* Let’s see if there is a screen left/right here to which we can switch */
00227                         DLOG("container is at %d with width %d\n", container->x, container->width);
00228                         Output *output;
00229                         int destination_x = (direction == D_LEFT ? (container->x - 1) : (container->x + container->width + 1));
00230                         if ((output = get_output_containing(destination_x, container->y)) == NULL) {
00231                                 DLOG("Wrapping screen around horizontally\n");
00232                                 output = get_output_most((direction == D_LEFT ? D_RIGHT : D_LEFT), container->workspace->output);
00233                         }
00234                         t_ws = output->current_workspace;
00235                         new_col = (direction == D_LEFT ? (t_ws->cols - 1) : 0);
00236                 }
00237 
00238                 CHECK_COLROW_BOUNDARIES;
00239 
00240                 DLOG("new_col = %d, new_row = %d\n", new_col, new_row);
00241                 if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
00242                         DLOG("Cell empty, checking for rowspanned client above...\n");
00243                         for (int rows = 0; rows < new_row; rows += t_ws->table[new_col][rows]->rowspan) {
00244                                 if (new_row > (rows + (t_ws->table[new_col][rows]->rowspan - 1)))
00245                                         continue;
00246 
00247                                 new_row = rows;
00248                                 DLOG("Fixed it to new row %d\n", new_row);
00249                                 break;
00250                         }
00251                 }
00252 
00253                 if (t_ws->table[new_col][new_row]->currently_focused == NULL) {
00254                         DLOG("Cell still empty, checking for full cols near full spanned height...\n");
00255                         DLOG("new_row = %d\n", new_row);
00256                         DLOG("rowspan = %d\n", container->rowspan);
00257                         for (int rows = new_row;
00258                              rows < container->row + container->rowspan;
00259                              rows += t_ws->table[new_col][rows]->rowspan) {
00260                                 DLOG("candidate: new_col = %d, rows = %d\n", new_col, rows);
00261                                 if (t_ws->table[new_col][rows]->currently_focused == NULL)
00262                                         continue;
00263 
00264                                 new_row = rows;
00265                                 DLOG("Fixed it to new col %d\n", new_row);
00266                                 break;
00267                         }
00268                 }
00269 
00270         } else {
00271                 ELOG("direction unhandled\n");
00272                 return;
00273         }
00274 
00275         CHECK_COLROW_BOUNDARIES;
00276 
00277         if (t_ws->table[new_col][new_row]->currently_focused != NULL)
00278                 set_focus(conn, t_ws->table[new_col][new_row]->currently_focused, true);
00279 }
00280 
00281 /*
00282  * Tries to move the window inside its current container.
00283  *
00284  * Returns true if the window could be moved, false otherwise.
00285  *
00286  */
00287 static bool move_current_window_in_container(xcb_connection_t *conn, Client *client,
00288                 direction_t direction) {
00289         assert(client->container != NULL);
00290 
00291         Client *other = (direction == D_UP ? CIRCLEQ_PREV(client, clients) :
00292                                              CIRCLEQ_NEXT(client, clients));
00293 
00294         if (other == CIRCLEQ_END(&(client->container->clients)))
00295                 return false;
00296 
00297         DLOG("i can do that\n");
00298         /* We can move the client inside its current container */
00299         CIRCLEQ_REMOVE(&(client->container->clients), client, clients);
00300         if (direction == D_UP)
00301                 CIRCLEQ_INSERT_BEFORE(&(client->container->clients), other, client, clients);
00302         else CIRCLEQ_INSERT_AFTER(&(client->container->clients), other, client, clients);
00303         render_layout(conn);
00304         return true;
00305 }
00306 
00307 /*
00308  * Moves the current window or whole container to the given direction, creating a column/row if
00309  * necessary.
00310  *
00311  */
00312 static void move_current_window(xcb_connection_t *conn, direction_t direction) {
00313         LOG("moving window to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
00314                                             (direction == D_LEFT ? "left" : "right"))));
00315         /* Get current window */
00316         Container *container = CUR_CELL,
00317                   *new = NULL;
00318 
00319         /* There has to be a container, see focus_window() */
00320         assert(container != NULL);
00321 
00322         /* If there is no window or the dock window is focused, we’re done */
00323         if (container->currently_focused == NULL ||
00324             container->currently_focused->dock)
00325                 return;
00326 
00327         /* As soon as the client is moved away, the last focused client in the old
00328          * container needs to get focus, if any. Therefore, we save it here. */
00329         Client *current_client = container->currently_focused;
00330         Client *to_focus = get_last_focused_client(conn, container, current_client);
00331 
00332         if (to_focus == NULL) {
00333                 to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
00334                 if (to_focus == NULL)
00335                         to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
00336         }
00337 
00338         switch (direction) {
00339                 case D_LEFT:
00340                         /* If we’re at the left-most position, move the rest of the table right */
00341                         if (current_col == 0) {
00342                                 expand_table_cols_at_head(c_ws);
00343                                 new = CUR_CELL;
00344                         } else
00345                                 new = CUR_TABLE[--current_col][current_row];
00346                         break;
00347                 case D_RIGHT:
00348                         if (current_col == (c_ws->cols-1))
00349                                 expand_table_cols(c_ws);
00350 
00351                         new = CUR_TABLE[++current_col][current_row];
00352                         break;
00353                 case D_UP:
00354                         if (move_current_window_in_container(conn, current_client, D_UP))
00355                                 return;
00356 
00357                         /* if we’re at the up-most position, move the rest of the table down */
00358                         if (current_row == 0) {
00359                                 expand_table_rows_at_head(c_ws);
00360                                 new = CUR_CELL;
00361                         } else
00362                                 new = CUR_TABLE[current_col][--current_row];
00363                         break;
00364                 case D_DOWN:
00365                         if (move_current_window_in_container(conn, current_client, D_DOWN))
00366                                 return;
00367 
00368                         if (current_row == (c_ws->rows-1))
00369                                 expand_table_rows(c_ws);
00370 
00371                         new = CUR_TABLE[current_col][++current_row];
00372                         break;
00373                 /* To make static analyzers happy: */
00374                 default:
00375                         return;
00376         }
00377 
00378         /* Remove it from the old container and put it into the new one */
00379         client_remove_from_container(conn, current_client, container, true);
00380 
00381         if (new->currently_focused != NULL)
00382                 CIRCLEQ_INSERT_AFTER(&(new->clients), new->currently_focused, current_client, clients);
00383         else CIRCLEQ_INSERT_TAIL(&(new->clients), current_client, clients);
00384         SLIST_INSERT_HEAD(&(new->workspace->focus_stack), current_client, focus_clients);
00385 
00386         /* Update data structures */
00387         current_client->container = new;
00388         current_client->workspace = new->workspace;
00389         container->currently_focused = to_focus;
00390         new->currently_focused = current_client;
00391 
00392         Workspace *workspace = container->workspace;
00393 
00394         /* delete all empty columns/rows */
00395         cleanup_table(conn, workspace);
00396 
00397         /* Fix colspan/rowspan if it’d overlap */
00398         fix_colrowspan(conn, workspace);
00399 
00400         render_workspace(conn, workspace->output, workspace);
00401         xcb_flush(conn);
00402 
00403         set_focus(conn, current_client, true);
00404 }
00405 
00406 static void move_current_container(xcb_connection_t *conn, direction_t direction) {
00407         LOG("moving container to direction %s\n", (direction == D_UP ? "up" : (direction == D_DOWN ? "down" :
00408                                             (direction == D_LEFT ? "left" : "right"))));
00409         /* Get current window */
00410         Container *container = CUR_CELL,
00411                   *new = NULL;
00412 
00413         Container **old = &CUR_CELL;
00414 
00415         /* There has to be a container, see focus_window() */
00416         assert(container != NULL);
00417 
00418         switch (direction) {
00419                 case D_LEFT:
00420                         /* If we’re at the left-most position, move the rest of the table right */
00421                         if (current_col == 0) {
00422                                 expand_table_cols_at_head(c_ws);
00423                                 new = CUR_CELL;
00424                                 old = &CUR_TABLE[current_col+1][current_row];
00425                         } else
00426                                 new = CUR_TABLE[--current_col][current_row];
00427                         break;
00428                 case D_RIGHT:
00429                         if (current_col == (c_ws->cols-1))
00430                                 expand_table_cols(c_ws);
00431 
00432                         new = CUR_TABLE[++current_col][current_row];
00433                         break;
00434                 case D_UP:
00435                         /* if we’re at the up-most position, move the rest of the table down */
00436                         if (current_row == 0) {
00437                                 expand_table_rows_at_head(c_ws);
00438                                 new = CUR_CELL;
00439                                 old = &CUR_TABLE[current_col][current_row+1];
00440                         } else
00441                                 new = CUR_TABLE[current_col][--current_row];
00442                         break;
00443                 case D_DOWN:
00444                         if (current_row == (c_ws->rows-1))
00445                                 expand_table_rows(c_ws);
00446 
00447                         new = CUR_TABLE[current_col][++current_row];
00448                         break;
00449                 /* To make static analyzers happy: */
00450                 default:
00451                         return;
00452         }
00453 
00454         DLOG("old = %d,%d and new = %d,%d\n", container->col, container->row, new->col, new->row);
00455 
00456         /* Swap the containers */
00457         int col = new->col;
00458         int row = new->row;
00459 
00460         *old = new;
00461         new->col = container->col;
00462         new->row = container->row;
00463 
00464         CUR_CELL = container;
00465         container->col = col;
00466         container->row = row;
00467 
00468         Workspace *workspace = container->workspace;
00469 
00470         /* delete all empty columns/rows */
00471         cleanup_table(conn, workspace);
00472 
00473         /* Fix colspan/rowspan if it’d overlap */
00474         fix_colrowspan(conn, workspace);
00475 
00476         render_layout(conn);
00477 }
00478 
00479 /*
00480  * "Snaps" the current container (not possible for windows, because it works at table base)
00481  * to the given direction, that is, adjusts cellspan/rowspan
00482  *
00483  */
00484 static void snap_current_container(xcb_connection_t *conn, direction_t direction) {
00485         LOG("snapping container to direction %d\n", direction);
00486 
00487         Container *container = CUR_CELL;
00488 
00489         assert(container != NULL);
00490 
00491         switch (direction) {
00492                 case D_LEFT:
00493                         /* Snap to the left is actually a move to the left and then a snap right */
00494                         if (!cell_exists(container->workspace, container->col - 1, container->row) ||
00495                             CUR_TABLE[container->col-1][container->row]->currently_focused != NULL) {
00496                                 ELOG("cannot snap to left - the cell is already used\n");
00497                                 return;
00498                         }
00499 
00500                         move_current_window(conn, D_LEFT);
00501                         snap_current_container(conn, D_RIGHT);
00502                         return;
00503                 case D_RIGHT: {
00504                         /* Check if the cell is used */
00505                         int new_col = container->col + container->colspan;
00506                         for (int i = 0; i < container->rowspan; i++)
00507                                 if (!cell_exists(container->workspace, new_col, container->row + i) ||
00508                                     CUR_TABLE[new_col][container->row + i]->currently_focused != NULL) {
00509                                         ELOG("cannot snap to right - the cell is already used\n");
00510                                         return;
00511                                 }
00512 
00513                         /* Check if there are other cells with rowspan, which are in our way.
00514                          * If so, reduce their rowspan. */
00515                         for (int i = container->row-1; i >= 0; i--) {
00516                                 DLOG("we got cell %d, %d with rowspan %d\n",
00517                                                 new_col, i, CUR_TABLE[new_col][i]->rowspan);
00518                                 while ((CUR_TABLE[new_col][i]->rowspan-1) >= (container->row - i))
00519                                         CUR_TABLE[new_col][i]->rowspan--;
00520                                 DLOG("new rowspan = %d\n", CUR_TABLE[new_col][i]->rowspan);
00521                         }
00522 
00523                         container->colspan++;
00524                         break;
00525                 }
00526                 case D_UP:
00527                         if (!cell_exists(container->workspace, container->col, container->row - 1) ||
00528                             CUR_TABLE[container->col][container->row-1]->currently_focused != NULL) {
00529                                 ELOG("cannot snap to top - the cell is already used\n");
00530                                 return;
00531                         }
00532 
00533                         move_current_window(conn, D_UP);
00534                         snap_current_container(conn, D_DOWN);
00535                         return;
00536                 case D_DOWN: {
00537                         DLOG("snapping down\n");
00538                         int new_row = container->row + container->rowspan;
00539                         for (int i = 0; i < container->colspan; i++)
00540                                 if (!cell_exists(container->workspace, container->col + i, new_row) ||
00541                                     CUR_TABLE[container->col + i][new_row]->currently_focused != NULL) {
00542                                         ELOG("cannot snap down - the cell is already used\n");
00543                                         return;
00544                                 }
00545 
00546                         for (int i = container->col-1; i >= 0; i--) {
00547                                 DLOG("we got cell %d, %d with colspan %d\n",
00548                                                 i, new_row, CUR_TABLE[i][new_row]->colspan);
00549                                 while ((CUR_TABLE[i][new_row]->colspan-1) >= (container->col - i))
00550                                         CUR_TABLE[i][new_row]->colspan--;
00551                                 DLOG("new colspan = %d\n", CUR_TABLE[i][new_row]->colspan);
00552 
00553                         }
00554 
00555                         container->rowspan++;
00556                         break;
00557                 }
00558                 /* To make static analyzers happy: */
00559                 default:
00560                         return;
00561         }
00562 
00563         render_layout(conn);
00564 }
00565 
00566 static void move_floating_window_to_workspace(xcb_connection_t *conn, Client *client, int workspace) {
00567         /* t_ws (to workspace) is just a container pointer to the workspace we’re switching to */
00568         Workspace *t_ws = workspace_get(workspace-1),
00569                   *old_ws = client->workspace;
00570 
00571         LOG("moving floating\n");
00572 
00573         workspace_initialize(t_ws, c_ws->output, false);
00574 
00575         /* Check if there is already a fullscreen client on the destination workspace and
00576          * stop moving if so. */
00577         if (client->fullscreen && (t_ws->fullscreen_client != NULL)) {
00578                 ELOG("Not moving: Fullscreen client already existing on destination workspace.\n");
00579                 return;
00580         }
00581 
00582         floating_assign_to_workspace(client, t_ws);
00583 
00584         /* If we’re moving it to an invisible screen, we need to unmap it */
00585         if (!workspace_is_visible(t_ws)) {
00586                 DLOG("This workspace is not visible, unmapping\n");
00587                 client_unmap(conn, client);
00588         } else {
00589                 /* If this is not the case, we move the window to a workspace
00590                  * which is on another screen, so we also need to adjust its
00591                  * coordinates. */
00592                 DLOG("before x = %d, y = %d\n", client->rect.x, client->rect.y);
00593                 uint32_t relative_x = client->rect.x - old_ws->rect.x,
00594                          relative_y = client->rect.y - old_ws->rect.y;
00595                 DLOG("rel_x = %d, rel_y = %d\n", relative_x, relative_y);
00596                 if (client->fullscreen) {
00597                         client_enter_fullscreen(conn, client, false);
00598                         memcpy(&(client->rect), &(t_ws->rect), sizeof(Rect));
00599                 } else {
00600                         client->rect.x = t_ws->rect.x + relative_x;
00601                         client->rect.y = t_ws->rect.y + relative_y;
00602                         DLOG("after x = %d, y = %d\n", client->rect.x, client->rect.y);
00603                         reposition_client(conn, client);
00604                         xcb_flush(conn);
00605                 }
00606         }
00607 
00608         /* Configure the window above all tiling windows (or below a fullscreen
00609          * window, if any) */
00610         if (t_ws->fullscreen_client != NULL) {
00611                 uint32_t values[] = { t_ws->fullscreen_client->frame, XCB_STACK_MODE_BELOW };
00612                 xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
00613         } else {
00614                 Client *last_tiling;
00615                 SLIST_FOREACH(last_tiling, &(t_ws->focus_stack), focus_clients)
00616                         if (!client_is_floating(last_tiling))
00617                                 break;
00618                 if (last_tiling != SLIST_END(&(t_ws->focus_stack))) {
00619                         uint32_t values[] = { last_tiling->frame, XCB_STACK_MODE_ABOVE };
00620                         xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_SIBLING | XCB_CONFIG_WINDOW_STACK_MODE, values);
00621                 }
00622         }
00623 
00624         DLOG("done\n");
00625 
00626         render_layout(conn);
00627 
00628         if (workspace_is_visible(t_ws)) {
00629                 client_warp_pointer_into(conn, client);
00630                 set_focus(conn, client, true);
00631         }
00632 }
00633 
00634 /*
00635  * Moves the currently selected window to the given workspace
00636  *
00637  */
00638 static void move_current_window_to_workspace(xcb_connection_t *conn, int workspace) {
00639         LOG("Moving current window to workspace %d\n", workspace);
00640 
00641         Container *container = CUR_CELL;
00642 
00643         assert(container != NULL);
00644 
00645         /* t_ws (to workspace) is just a container pointer to the workspace we’re switching to */
00646         Workspace *t_ws = workspace_get(workspace-1);
00647 
00648         Client *current_client = container->currently_focused;
00649         if (current_client == NULL) {
00650                 ELOG("No currently focused client in current container.\n");
00651                 return;
00652         }
00653         Client *to_focus = CIRCLEQ_NEXT_OR_NULL(&(container->clients), current_client, clients);
00654         if (to_focus == NULL)
00655                 to_focus = CIRCLEQ_PREV_OR_NULL(&(container->clients), current_client, clients);
00656 
00657         workspace_initialize(t_ws, container->workspace->output, false);
00658         /* Check if there is already a fullscreen client on the destination workspace and
00659          * stop moving if so. */
00660         if (current_client->fullscreen && (t_ws->fullscreen_client != NULL)) {
00661                 ELOG("Not moving: Fullscreen client already existing on destination workspace.\n");
00662                 return;
00663         }
00664 
00665         Container *to_container = t_ws->table[t_ws->current_col][t_ws->current_row];
00666 
00667         assert(to_container != NULL);
00668 
00669         client_remove_from_container(conn, current_client, container, true);
00670         if (container->workspace->fullscreen_client == current_client)
00671                 container->workspace->fullscreen_client = NULL;
00672 
00673         /* TODO: insert it to the correct position */
00674         CIRCLEQ_INSERT_TAIL(&(to_container->clients), current_client, clients);
00675 
00676         SLIST_INSERT_HEAD(&(to_container->workspace->focus_stack), current_client, focus_clients);
00677         DLOG("Moved.\n");
00678 
00679         current_client->container = to_container;
00680         current_client->workspace = to_container->workspace;
00681         container->currently_focused = to_focus;
00682         to_container->currently_focused = current_client;
00683 
00684         /* If we’re moving it to an invisible screen, we need to unmap it */
00685         if (!workspace_is_visible(to_container->workspace)) {
00686                 DLOG("This workspace is not visible, unmapping\n");
00687                 client_unmap(conn, current_client);
00688         } else {
00689                 if (current_client->fullscreen) {
00690                         DLOG("Calling client_enter_fullscreen again\n");
00691                         client_enter_fullscreen(conn, current_client, false);
00692                 }
00693         }
00694 
00695         /* delete all empty columns/rows */
00696         cleanup_table(conn, container->workspace);
00697 
00698         render_layout(conn);
00699 
00700         if (workspace_is_visible(to_container->workspace)) {
00701                 client_warp_pointer_into(conn, current_client);
00702                 set_focus(conn, current_client, true);
00703         }
00704 }
00705 
00706 /*
00707  * Jumps to the given window class / title.
00708  * Title is matched using strstr, that is, matches if it appears anywhere
00709  * in the string. Regular expressions seem to be a bit overkill here. However,
00710  * if we need them for something else somewhen, we may introduce them here, too.
00711  *
00712  */
00713 static void jump_to_window(xcb_connection_t *conn, const char *arguments) {
00714         char *classtitle;
00715         Client *client;
00716 
00717         /* The first character is a quote, this was checked before */
00718         classtitle = sstrdup(arguments+1);
00719         /* The last character is a quote, we just set it to NULL */
00720         classtitle[strlen(classtitle)-1] = '\0';
00721 
00722         if ((client = get_matching_client(conn, classtitle, NULL)) == NULL) {
00723                 free(classtitle);
00724                 ELOG("No matching client found.\n");
00725                 return;
00726         }
00727 
00728         free(classtitle);
00729         workspace_show(conn, client->workspace->num + 1);
00730         set_focus(conn, client, true);
00731 }
00732 
00733 /*
00734  * Jump directly to the specified workspace, row and col.
00735  * Great for reaching windows that you always keep in the same spot (hello irssi, I'm looking at you)
00736  *
00737  */
00738 static void jump_to_container(xcb_connection_t *conn, const char *arguments) {
00739         int ws, row, col;
00740         int result;
00741 
00742         result = sscanf(arguments, "%d %d %d", &ws, &col, &row);
00743         LOG("Jump called with %d parameters (\"%s\")\n", result, arguments);
00744 
00745         /* No match? Either no arguments were specified, or no numbers */
00746         if (result < 1) {
00747                 ELOG("At least one valid argument required\n");
00748                 return;
00749         }
00750 
00751         /* Move to the target workspace */
00752         workspace_show(conn, ws);
00753 
00754         if (result < 3)
00755                 return;
00756 
00757         DLOG("Boundary-checking col %d, row %d... (max cols %d, max rows %d)\n", col, row, c_ws->cols, c_ws->rows);
00758 
00759         /* Move to row/col */
00760         if (row >= c_ws->rows)
00761                 row = c_ws->rows - 1;
00762         if (col >= c_ws->cols)
00763                 col = c_ws->cols - 1;
00764 
00765         DLOG("Jumping to col %d, row %d\n", col, row);
00766         if (c_ws->table[col][row]->currently_focused != NULL)
00767                 set_focus(conn, c_ws->table[col][row]->currently_focused, true);
00768 }
00769 
00770 /*
00771  * Travels the focus stack by the given number of times (or once, if no argument
00772  * was specified). That is, selects the window you were in before you focused
00773  * the current window.
00774  *
00775  * The special values 'floating' (select the next floating window), 'tiling'
00776  * (select the next tiling window), 'ft' (if the current window is floating,
00777  * select the next tiling window and vice-versa) are also valid
00778  *
00779  */
00780 static void travel_focus_stack(xcb_connection_t *conn, const char *arguments) {
00781         /* Start count at -1 to always skip the first element */
00782         int times, count = -1;
00783         Client *current;
00784         bool floating_criteria;
00785 
00786         /* Either it’s one of the special values… */
00787         if (strcasecmp(arguments, "floating") == 0) {
00788                 floating_criteria = true;
00789         } else if (strcasecmp(arguments, "tiling") == 0) {
00790                 floating_criteria = false;
00791         } else if (strcasecmp(arguments, "ft") == 0) {
00792                 Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
00793                 if (last_focused == SLIST_END(&(c_ws->focus_stack))) {
00794                         ELOG("Cannot select the next floating/tiling client because there is no client at all\n");
00795                         return;
00796                 }
00797 
00798                 floating_criteria = !client_is_floating(last_focused);
00799         } else {
00800                 /* …or a number was specified */
00801                 if (sscanf(arguments, "%u", &times) != 1) {
00802                         ELOG("No or invalid argument given (\"%s\"), using default of 1 times\n", arguments);
00803                         times = 1;
00804                 }
00805 
00806                 SLIST_FOREACH(current, &(CUR_CELL->workspace->focus_stack), focus_clients) {
00807                         if (++count < times) {
00808                                 DLOG("Skipping\n");
00809                                 continue;
00810                         }
00811 
00812                         DLOG("Focussing\n");
00813                         set_focus(conn, current, true);
00814                         break;
00815                 }
00816                 return;
00817         }
00818 
00819         /* Select the next client matching the criteria parsed above */
00820         SLIST_FOREACH(current, &(CUR_CELL->workspace->focus_stack), focus_clients)
00821                 if (client_is_floating(current) == floating_criteria) {
00822                         set_focus(conn, current, true);
00823                         break;
00824                 }
00825 }
00826 
00827 /* 
00828  * Switch to next or previous existing workspace
00829  *
00830  */
00831 static void next_previous_workspace(xcb_connection_t *conn, int direction) {
00832         Workspace *ws = c_ws;
00833 
00834         if (direction == 'n') {
00835                 while (1) {
00836                         ws = TAILQ_NEXT(ws, workspaces);
00837 
00838                         if (ws == TAILQ_END(workspaces))
00839                                 ws = TAILQ_FIRST(workspaces);
00840 
00841                         if (ws == c_ws)
00842                                 return;
00843 
00844                         if (ws->output == NULL)
00845                                 continue;
00846 
00847                         workspace_show(conn, ws->num + 1);
00848                         return;
00849                 }
00850         } else if (direction == 'p') {
00851                 while (1) {
00852                         ws = TAILQ_PREV(ws, workspaces_head, workspaces);
00853 
00854                         if (ws == TAILQ_END(workspaces))
00855                                 ws = TAILQ_LAST(workspaces, workspaces_head);
00856 
00857                         if (ws == c_ws)
00858                                 return;
00859 
00860                         if (ws->output == NULL)
00861                                 continue;
00862 
00863                         workspace_show(conn, ws->num + 1);
00864                         return;
00865                 }
00866         }
00867 }
00868 
00869 static void parse_resize_command(xcb_connection_t *conn, Client *last_focused, const char *command) {
00870         int first, second;
00871         resize_orientation_t orientation = O_VERTICAL;
00872         Container *con = last_focused->container;
00873         Workspace *ws = last_focused->workspace;
00874 
00875         if (client_is_floating(last_focused)) {
00876                 DLOG("Resizing a floating client\n");
00877                 if (STARTS_WITH(command, "left")) {
00878                         command += strlen("left");
00879                         last_focused->rect.width -= atoi(command);
00880                         last_focused->rect.x += atoi(command);
00881                 } else if (STARTS_WITH(command, "right")) {
00882                         command += strlen("right");
00883                         last_focused->rect.width += atoi(command);
00884                 } else if (STARTS_WITH(command, "top")) {
00885                         command += strlen("top");
00886                         last_focused->rect.height -= atoi(command);
00887                         last_focused->rect.y += atoi(command);
00888                 } else if (STARTS_WITH(command, "bottom")) {
00889                         command += strlen("bottom");
00890                         last_focused->rect.height += atoi(command);
00891                 } else {
00892                         ELOG("Syntax: resize <left|right|top|bottom> [+|-]<pixels>\n");
00893                         return;
00894                 }
00895 
00896                 /* resize_client flushes */
00897                 resize_client(conn, last_focused);
00898 
00899                 return;
00900         }
00901 
00902         if (STARTS_WITH(command, "left")) {
00903                 if (con->col == 0)
00904                         return;
00905                 first = con->col - 1;
00906                 second = con->col;
00907                 command += strlen("left");
00908         } else if (STARTS_WITH(command, "right")) {
00909                 first = con->col + (con->colspan - 1);
00910                 DLOG("column %d\n", first);
00911 
00912                 if (!cell_exists(ws, first, con->row) ||
00913                     (first == (ws->cols-1)))
00914                         return;
00915 
00916                 second = first + 1;
00917                 command += strlen("right");
00918         } else if (STARTS_WITH(command, "top")) {
00919                 if (con->row == 0)
00920                         return;
00921                 first = con->row - 1;
00922                 second = con->row;
00923                 orientation = O_HORIZONTAL;
00924                 command += strlen("top");
00925         } else if (STARTS_WITH(command, "bottom")) {
00926                 first = con->row + (con->rowspan - 1);
00927                 if (!cell_exists(ws, con->col, first) ||
00928                     (first == (ws->rows-1)))
00929                         return;
00930 
00931                 second = first + 1;
00932                 orientation = O_HORIZONTAL;
00933                 command += strlen("bottom");
00934         } else {
00935                 ELOG("Syntax: resize <left|right|top|bottom> [+|-]<pixels>\n");
00936                 return;
00937         }
00938 
00939         int pixels = atoi(command);
00940         if (pixels == 0)
00941                 return;
00942 
00943         resize_container(conn, ws, first, second, orientation, pixels);
00944 }
00945 
00946 /*
00947  * Parses a command, see file CMDMODE for more information
00948  *
00949  */
00950 void parse_command(xcb_connection_t *conn, const char *command) {
00951         LOG("--- parsing command \"%s\" ---\n", command);
00952         /* Get the first client from focus stack because floating clients are not
00953          * in any container, therefore CUR_CELL is not appropriate. */
00954         Client *last_focused = SLIST_FIRST(&(c_ws->focus_stack));
00955         if (last_focused == SLIST_END(&(c_ws->focus_stack)))
00956                 last_focused = NULL;
00957 
00958         /* Hmm, just to be sure */
00959         if (command[0] == '\0')
00960                 return;
00961 
00962         /* Is it an <exec>? Then execute the given command. */
00963         if (STARTS_WITH(command, "exec ")) {
00964                 LOG("starting \"%s\"\n", command + strlen("exec "));
00965                 start_application(command+strlen("exec "));
00966                 return;
00967         }
00968 
00969         if (STARTS_WITH(command, "mark")) {
00970                 if (last_focused == NULL) {
00971                         ELOG("There is no window to mark\n");
00972                         return;
00973                 }
00974                 const char *rest = command + strlen("mark");
00975                 while (*rest == ' ')
00976                         rest++;
00977                 if (*rest == '\0') {
00978                         DLOG("interactive mark starting\n");
00979                         start_application("i3-input -p 'mark ' -l 1 -P 'Mark: '");
00980                 } else {
00981                         LOG("mark with \"%s\"\n", rest);
00982                         client_mark(conn, last_focused, rest);
00983                 }
00984                 return;
00985         }
00986 
00987         if (STARTS_WITH(command, "goto")) {
00988                 const char *rest = command + strlen("goto");
00989                 while (*rest == ' ')
00990                         rest++;
00991                 if (*rest == '\0') {
00992                         DLOG("interactive go to mark starting\n");
00993                         start_application("i3-input -p 'goto ' -l 1 -P 'Goto: '");
00994                 } else {
00995                         LOG("go to \"%s\"\n", rest);
00996                         jump_to_mark(conn, rest);
00997                 }
00998                 return;
00999         }
01000 
01001         if (STARTS_WITH(command, "stack-limit ")) {
01002                 if (last_focused == NULL || client_is_floating(last_focused)) {
01003                         ELOG("No container focused\n");
01004                         return;
01005                 }
01006                 const char *rest = command + strlen("stack-limit ");
01007                 if (strncmp(rest, "rows ", strlen("rows ")) == 0) {
01008                         last_focused->container->stack_limit = STACK_LIMIT_ROWS;
01009                         rest += strlen("rows ");
01010                 } else if (strncmp(rest, "cols ", strlen("cols ")) == 0) {
01011                         last_focused->container->stack_limit = STACK_LIMIT_COLS;
01012                         rest += strlen("cols ");
01013                 } else {
01014                         ELOG("Syntax: stack-limit <cols|rows> <limit>\n");
01015                         return;
01016                 }
01017 
01018                 last_focused->container->stack_limit_value = atoi(rest);
01019                 if (last_focused->container->stack_limit_value == 0)
01020                         last_focused->container->stack_limit = STACK_LIMIT_NONE;
01021 
01022                 return;
01023         }
01024 
01025         if (STARTS_WITH(command, "resize ")) {
01026                 if (last_focused == NULL)
01027                         return;
01028                 const char *rest = command + strlen("resize ");
01029                 parse_resize_command(conn, last_focused, rest);
01030                 return;
01031         }
01032 
01033         if (STARTS_WITH(command, "mode ")) {
01034                 const char *rest = command + strlen("mode ");
01035                 switch_mode(conn, rest);
01036                 return;
01037         }
01038 
01039         /* Is it an <exit>? */
01040         if (STARTS_WITH(command, "exit")) {
01041                 LOG("User issued exit-command, exiting without error.\n");
01042                 restore_geometry(global_conn);
01043                 ipc_shutdown();
01044                 exit(EXIT_SUCCESS);
01045         }
01046 
01047         /* Is it a <reload>? */
01048         if (STARTS_WITH(command, "reload")) {
01049                 load_configuration(conn, NULL, true);
01050                 render_layout(conn);
01051                 /* Send an IPC event just in case the ws names have changed */
01052                 ipc_send_event("workspace", I3_IPC_EVENT_WORKSPACE, "{\"change\":\"reload\"}");
01053                 return;
01054         }
01055 
01056         /* Is it <restart>? Then restart in place. */
01057         if (STARTS_WITH(command, "restart")) {
01058                 i3_restart();
01059         }
01060 
01061         if (STARTS_WITH(command, "kill")) {
01062                 if (last_focused == NULL) {
01063                         ELOG("There is no window to kill\n");
01064                         return;
01065                 }
01066 
01067                 LOG("Killing current window\n");
01068                 client_kill(conn, last_focused);
01069                 return;
01070         }
01071 
01072         /* Is it a jump to a specified workspace, row, col? */
01073         if (STARTS_WITH(command, "jump ")) {
01074                 const char *arguments = command + strlen("jump ");
01075                 if (arguments[0] == '"')
01076                         jump_to_window(conn, arguments);
01077                 else jump_to_container(conn, arguments);
01078                 return;
01079         }
01080 
01081         /* Should we travel the focus stack? */
01082         if (STARTS_WITH(command, "focus")) {
01083                 const char *arguments = command + strlen("focus ");
01084                 travel_focus_stack(conn, arguments);
01085                 return;
01086         }
01087 
01088         /* Is it 'f' for fullscreen, or 'fg' for fullscreen_global? */
01089         if (command[0] == 'f') {
01090                 if (last_focused == NULL)
01091                         return;
01092                 if (command[1] == 'g')
01093                         client_toggle_fullscreen_global(conn, last_focused);
01094                 else
01095                         client_toggle_fullscreen(conn, last_focused);
01096                 return;
01097         }
01098 
01099         /* Is it just 's' for stacking or 'd' for default? */
01100         if ((command[0] == 's' || command[0] == 'd' || command[0] == 'T') && (command[1] == '\0')) {
01101                 if (last_focused != NULL && client_is_floating(last_focused)) {
01102                         ELOG("not switching, this is a floating client\n");
01103                         return;
01104                 }
01105                 LOG("Switching mode for current container\n");
01106                 int new_mode = MODE_DEFAULT;
01107                 if (command[0] == 's' && CUR_CELL->mode != MODE_STACK)
01108                         new_mode = MODE_STACK;
01109                 if (command[0] == 'T' && CUR_CELL->mode != MODE_TABBED)
01110                         new_mode = MODE_TABBED;
01111                 switch_layout_mode(conn, CUR_CELL, new_mode);
01112                 return;
01113         }
01114 
01115         /* Is it 'bn' (border normal), 'bp' (border 1pixel) or 'bb' (border borderless)? */
01116         /* or even 'bt' (toggle border: 'bp' -> 'bb' -> 'bn' ) */
01117         if (command[0] == 'b') {
01118                 if (last_focused == NULL) {
01119                         ELOG("No window focused, cannot change border type\n");
01120                         return;
01121                 }
01122 
01123                 char com = command[1];
01124                 if (command[1] == 't') {
01125                         if (last_focused->titlebar_position == TITLEBAR_TOP &&
01126                             !last_focused->borderless)
01127                             com = 'p';
01128                         else if (last_focused->titlebar_position == TITLEBAR_OFF &&
01129                                  !last_focused->borderless)
01130                             com = 'b';
01131                         else com = 'n';
01132                 }
01133 
01134                 client_change_border(conn, last_focused, com);
01135                 return;
01136         }
01137 
01138         if (command[0] == 'H') {
01139                 LOG("Hiding all floating windows\n");
01140                 floating_toggle_hide(conn, c_ws);
01141                 return;
01142         }
01143 
01144         enum { WITH_WINDOW, WITH_CONTAINER, WITH_WORKSPACE, WITH_SCREEN } with = WITH_WINDOW;
01145 
01146         /* Is it a <with>? */
01147         if (command[0] == 'w') {
01148                 command++;
01149                 /* TODO: implement */
01150                 if (command[0] == 'c') {
01151                         with = WITH_CONTAINER;
01152                         command++;
01153                 } else if (command[0] == 'w') {
01154                         with = WITH_WORKSPACE;
01155                         command++;
01156                 } else if (command[0] == 's') {
01157                         with = WITH_SCREEN;
01158                         command++;
01159                 } else {
01160                         ELOG("not yet implemented.\n");
01161                         return;
01162                 }
01163         }
01164 
01165         /* Is it 't' for toggle tiling/floating? */
01166         if (command[0] == 't') {
01167                 if (with == WITH_WORKSPACE) {
01168                         c_ws->auto_float = !c_ws->auto_float;
01169                         LOG("autofloat is now %d\n", c_ws->auto_float);
01170                         return;
01171                 }
01172                 if (last_focused == NULL) {
01173                         ELOG("Cannot toggle tiling/floating: workspace empty\n");
01174                         return;
01175                 }
01176 
01177                 Workspace *ws = last_focused->workspace;
01178 
01179                 if (last_focused->fullscreen)
01180                         client_leave_fullscreen(conn, last_focused);
01181 
01182                 toggle_floating_mode(conn, last_focused, false);
01183                 /* delete all empty columns/rows */
01184                 cleanup_table(conn, ws);
01185 
01186                 /* Fix colspan/rowspan if it’d overlap */
01187                 fix_colrowspan(conn, ws);
01188 
01189                 render_workspace(conn, ws->output, ws);
01190 
01191                 /* Re-focus the client because cleanup_table sets the focus to the last
01192                  * focused client inside a container only. */
01193                 set_focus(conn, last_focused, true);
01194 
01195                 return;
01196         }
01197 
01198         /* Is it 'n' or 'p' for next/previous workspace? (nw) */
01199         if ((command[0] == 'n' || command[0] == 'p') && command[1] == 'w') {
01200                next_previous_workspace(conn, command[0]);
01201                return;
01202         }
01203 
01204         /* It’s a normal <cmd> */
01205         char *rest = NULL;
01206         enum { ACTION_FOCUS, ACTION_MOVE, ACTION_SNAP } action = ACTION_FOCUS;
01207         direction_t direction;
01208         int times = strtol(command, &rest, 10);
01209         if (rest == NULL) {
01210                 ELOG("Invalid command (\"%s\")\n", command);
01211                 return;
01212         }
01213 
01214         if (*rest == '\0') {
01215                 /* No rest? This was a workspace number, not a times specification */
01216                 workspace_show(conn, times);
01217                 return;
01218         }
01219 
01220         if (*rest == 'm' || *rest == 's') {
01221                 action = (*rest == 'm' ? ACTION_MOVE : ACTION_SNAP);
01222                 rest++;
01223         }
01224 
01225         int workspace = strtol(rest, &rest, 10);
01226 
01227         if (rest == NULL) {
01228                 ELOG("Invalid command (\"%s\")\n", command);
01229                 return;
01230         }
01231 
01232         if (*rest == '\0') {
01233                 if (last_focused != NULL && client_is_floating(last_focused))
01234                         move_floating_window_to_workspace(conn, last_focused, workspace);
01235                 else move_current_window_to_workspace(conn, workspace);
01236                 return;
01237         }
01238 
01239         if (last_focused == NULL) {
01240                 ELOG("Not performing (no window found)\n");
01241                 return;
01242         }
01243 
01244         if (client_is_floating(last_focused) &&
01245             (action != ACTION_FOCUS && action != ACTION_MOVE)) {
01246                 ELOG("Not performing (floating)\n");
01247                 return;
01248         }
01249 
01250         /* Now perform action to <where> */
01251         while (*rest != '\0') {
01252                 if (*rest == 'h')
01253                         direction = D_LEFT;
01254                 else if (*rest == 'j')
01255                         direction = D_DOWN;
01256                 else if (*rest == 'k')
01257                         direction = D_UP;
01258                 else if (*rest == 'l')
01259                         direction = D_RIGHT;
01260                 else {
01261                         ELOG("unknown direction: %c\n", *rest);
01262                         return;
01263                 }
01264                 rest++;
01265 
01266                 if (action == ACTION_FOCUS) {
01267                         if (with == WITH_SCREEN) {
01268                                 focus_thing(conn, direction, THING_SCREEN);
01269                                 continue;
01270                         }
01271                         if (client_is_floating(last_focused)) {
01272                                 floating_focus_direction(conn, last_focused, direction);
01273                                 continue;
01274                         }
01275                         focus_thing(conn, direction, (with == WITH_WINDOW ? THING_WINDOW : THING_CONTAINER));
01276                         continue;
01277                 }
01278 
01279                 if (action == ACTION_MOVE) {
01280                         if (with == WITH_SCREEN) {
01281                                 /* TODO: this should swap the screen’s contents
01282                                  * (e.g. all workspaces) with the next/previous/…
01283                                  * screen */
01284                                 ELOG("Not yet implemented\n");
01285                                 continue;
01286                         }
01287                         if (client_is_floating(last_focused)) {
01288                                 floating_move(conn, last_focused, direction);
01289                                 continue;
01290                         }
01291                         if (with == WITH_WINDOW)
01292                                 move_current_window(conn, direction);
01293                         else move_current_container(conn, direction);
01294                         continue;
01295                 }
01296 
01297                 if (action == ACTION_SNAP) {
01298                         if (with == WITH_SCREEN) {
01299                                 ELOG("You cannot snap a screen (it makes no sense).\n");
01300                                 continue;
01301                         }
01302                         snap_current_container(conn, direction);
01303                         continue;
01304                 }
01305         }
01306 }

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