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

   1 /*
   2  * vim:ts=4:sw=4:expandtab
   3  *
   4  * i3 - an improved dynamic tiling window manager
   5  *
   6  * © 2009-2010 Michael Stapelberg and contributors
   7  *
   8  * See file LICENSE for license information.
   9  *
  10  * src/floating.c: contains all functions for handling floating clients
  11  *
  12  */
  13
  14
  15 #include "all.h"
  16
  17 extern xcb_connection_t *conn;
  18
  19 void floating_enable(Con *con, bool automatic) {
  20     if (con_is_floating(con)) {
  21         LOG("Container is already in floating mode, not doing anything.\n");
  22         return;
  23     }
  24
  25     /* 1: detach the container from its parent */
  26     /* TODO: refactor this with tree_close() */
  27     TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
  28     TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
  29
  30     con_fix_percent(con->parent, WINDOW_REMOVE);
  31
  32     /* 2: create a new container to render the decoration on, add
  33      * it as a floating window to the workspace */
  34     Con *nc = con_new(NULL);
  35     /* we need to set the parent afterwards instead of passing it as an
  36      * argument to con_new() because nc would be inserted into the tiling layer
  37      * otherwise. */
  38     nc->parent = con_get_workspace(con);
  39
  40     char *name;
  41     asprintf(&name, "[i3 con] floatingcon around %p", con);
  42     x_set_name(nc, name);
  43     free(name);
  44
  45     nc->rect = con->rect;
  46     /* add pixels for the decoration */
  47     /* TODO: don’t add them when the user automatically puts new windows into
  48      * 1pixel/borderless mode */
  49     nc->rect.height += 17 + 2;
  50     nc->rect.width += 4;
  51     nc->orientation = NO_ORIENTATION;
  52     nc->type = CT_FLOATING_CON;
  53     TAILQ_INSERT_TAIL(&(nc->parent->floating_head), nc, floating_windows);
  54     TAILQ_INSERT_TAIL(&(nc->parent->focus_head), nc, focused);
  55
  56     /* 3: attach the child to the new parent container */
  57     con->old_parent = con->parent;
  58     con->parent = nc;
  59     con->floating = FLOATING_USER_ON;
  60
  61     /* Some clients (like GIMP’s color picker window) get mapped
  62      * to (0, 0), so we push them to a reasonable position
  63      * (centered over their leader) */
  64     if (nc->rect.x == 0 && nc->rect.y == 0) {
  65         Con *leader;
  66         if (con->window && con->window->leader != XCB_NONE &&
  67             (leader = con_by_window_id(con->window->leader)) != NULL) {
  68             DLOG("Centering above leader\n");
  69             nc->rect.x = leader->rect.x + (leader->rect.width / 2) - (nc->rect.width / 2);
  70             nc->rect.y = leader->rect.y + (leader->rect.height / 2) - (nc->rect.height / 2);
  71         } else {
  72             /* center the window on workspace as fallback */
  73             Con *ws = nc->parent;
  74             nc->rect.x = ws->rect.x + (ws->rect.width / 2) - (nc->rect.width / 2);
  75             nc->rect.y = ws->rect.y + (ws->rect.height / 2) - (nc->rect.height / 2);
  76         }
  77     }
  78
  79     TAILQ_INSERT_TAIL(&(nc->nodes_head), con, nodes);
  80     TAILQ_INSERT_TAIL(&(nc->focus_head), con, focused);
  81 }
  82
  83 void floating_disable(Con *con, bool automatic) {
  84     if (!con_is_floating(con)) {
  85         LOG("Container isn't floating, not doing anything.\n");
  86         return;
  87     }
  88
  89     assert(con->old_parent != NULL);
  90
  91     /* 1: detach from parent container */
  92     TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
  93     TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
  94
  95     /* 2: kill parent container */
  96     TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
  97     TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
  98     tree_close(con->parent, false);
  99
 100     /* 3: re-attach to previous parent */
 101     con->parent = con->old_parent;
 102     TAILQ_INSERT_TAIL(&(con->parent->nodes_head), con, nodes);
 103     TAILQ_INSERT_TAIL(&(con->parent->focus_head), con, focused);
 104
 105     con->floating = FLOATING_USER_OFF;
 106
 107     con_fix_percent(con->parent, WINDOW_ADD);
 108 }
 109
 110
 111 /*
 112  * Toggles floating mode for the given container.
 113  *
 114  * If the automatic flag is set to true, this was an automatic update by a change of the
 115  * window class from the application which can be overwritten by the user.
 116  *
 117  */
 118 void toggle_floating_mode(Con *con, bool automatic) {
 119         //i3Font *font = load_font(conn, config.font);
 120
 121         /* see if the client is already floating */
 122         if (con_is_floating(con)) {
 123                 LOG("already floating, re-setting to tiling\n");
 124
 125                 floating_disable(con, automatic);
 126                 return;
 127         }
 128
 129         floating_enable(con, automatic);
 130
 131
 132 #if 0
 133         if (client->dock) {
 134                 DLOG("Not putting dock client into floating mode\n");
 135                 return;
 136         }
 137
 138         if (con == NULL) {
 139                 DLOG("This client is already in floating (container == NULL), re-inserting\n");
 140                 Client *next_tiling;
 141                 Workspace *ws = client->workspace;
 142                 SLIST_FOREACH(next_tiling, &(ws->focus_stack), focus_clients)
 143                         if (!client_is_floating(next_tiling))
 144                                 break;
 145                 /* If there are no tiling clients on this workspace, there can only be one
 146                  * container: the first one */
 147                 if (next_tiling == TAILQ_END(&(ws->focus_stack)))
 148                         con = ws->table[0][0];
 149                 else con = next_tiling->container;
 150
 151                 /* Remove the client from the list of floating clients */
 152                 TAILQ_REMOVE(&(ws->floating_clients), client, floating_clients);
 153
 154                 DLOG("destination container = %p\n", con);
 155                 Client *old_focused = con->currently_focused;
 156                 /* Preserve position/size */
 157                 memcpy(&(client->floating_rect), &(client->rect), sizeof(Rect));
 158
 159                 client->floating = FLOATING_USER_OFF;
 160                 client->container = con;
 161
 162                 if (old_focused != NULL && !old_focused->dock)
 163                         CIRCLEQ_INSERT_AFTER(&(con->clients), old_focused, client, clients);
 164                 else CIRCLEQ_INSERT_TAIL(&(con->clients), client, clients);
 165
 166                 DLOG("Re-inserted the window.\n");
 167                 con->currently_focused = client;
 168
 169                 client_set_below_floating(conn, client);
 170
 171                 render_container(conn, con);
 172                 xcb_flush(conn);
 173
 174                 return;
 175         }
 176
 177         DLOG("Entering floating for client %08x\n", client->child);
 178
 179         /* Remove the client of its container */
 180         client_remove_from_container(conn, client, con, false);
 181         client->container = NULL;
 182
 183         /* Add the client to the list of floating clients for its workspace */
 184         TAILQ_INSERT_TAIL(&(client->workspace->floating_clients), client, floating_clients);
 185
 186         if (con->currently_focused == client) {
 187                 DLOG("Need to re-adjust currently_focused\n");
 188                 /* Get the next client in the focus stack for this particular container */
 189                 con->currently_focused = get_last_focused_client(conn, con, NULL);
 190         }
 191
 192         if (automatic)
 193                 client->floating = FLOATING_AUTO_ON;
 194         else client->floating = FLOATING_USER_ON;
 195
 196         /* Initialize the floating position from the position in tiling mode, if this
 197          * client never was floating (x == -1) */
 198         if (client->floating_rect.x == -1) {
 199                 /* Copy over the position */
 200                 client->floating_rect.x = client->rect.x;
 201                 client->floating_rect.y = client->rect.y;
 202
 203                 /* Copy size the other direction */
 204                 client->child_rect.width = client->floating_rect.width;
 205                 client->child_rect.height = client->floating_rect.height;
 206
 207                 client->rect.width = client->child_rect.width + 2 + 2;
 208                 client->rect.height = client->child_rect.height + (font->height + 2 + 2) + 2;
 209
 210                 DLOG("copying size from tiling (%d, %d) size (%d, %d)\n", client->floating_rect.x, client->floating_rect.y,
 211                                 client->floating_rect.width, client->floating_rect.height);
 212         } else {
 213                 /* If the client was already in floating before we restore the old position / size */
 214                 DLOG("using: (%d, %d) size (%d, %d)\n", client->floating_rect.x, client->floating_rect.y,
 215                         client->floating_rect.width, client->floating_rect.height);
 216                 memcpy(&(client->rect), &(client->floating_rect), sizeof(Rect));
 217         }
 218
 219         /* Raise the client */
 220         xcb_raise_window(conn, client->frame);
 221         reposition_client(conn, client);
 222         resize_client(conn, client);
 223         /* redecorate_window flushes */
 224         redecorate_window(conn, client);
 225
 226         /* Re-render the tiling layout of this container */
 227         render_container(conn, con);
 228         xcb_flush(conn);
 229 #endif
 230 }
 231
 232 #if 0
 233 /*
 234  * Removes the floating client from its workspace and attaches it to the new workspace.
 235  * This is centralized here because it may happen if you move it via keyboard and
 236  * if you move it using your mouse.
 237  *
 238  */
 239 void floating_assign_to_workspace(Client *client, Workspace *new_workspace) {
 240         /* Remove from focus stack and list of floating clients */
 241         SLIST_REMOVE(&(client->workspace->focus_stack), client, Client, focus_clients);
 242         TAILQ_REMOVE(&(client->workspace->floating_clients), client, floating_clients);
 243
 244         if (client->workspace->fullscreen_client == client)
 245                 client->workspace->fullscreen_client = NULL;
 246
 247         /* Insert into destination focus stack and list of floating clients */
 248         client->workspace = new_workspace;
 249         SLIST_INSERT_HEAD(&(client->workspace->focus_stack), client, focus_clients);
 250         TAILQ_INSERT_TAIL(&(client->workspace->floating_clients), client, floating_clients);
 251         if (client->fullscreen)
 252                 client->workspace->fullscreen_client = client;
 253 }
 254
 255 /*
 256  * This is an ugly data structure which we need because there is no standard
 257  * way of having nested functions (only available as a gcc extension at the
 258  * moment, clang doesn’t support it) or blocks (only available as a clang
 259  * extension and only on Mac OS X systems at the moment).
 260  *
 261  */
 262 struct resize_callback_params {
 263         border_t border;
 264         xcb_button_press_event_t *event;
 265 };
 266
 267 DRAGGING_CB(resize_callback) {
 268         struct resize_callback_params *params = extra;
 269         xcb_button_press_event_t *event = params->event;
 270         switch (params->border) {
 271                 case BORDER_RIGHT: {
 272                         int new_width = old_rect->width + (new_x - event->root_x);
 273                         if ((new_width < 0) ||
 274                             (new_width < client_min_width(client) && client->rect.width >= new_width))
 275                                 return;
 276                         client->rect.width = new_width;
 277                         break;
 278                 }
 279
 280                 case BORDER_BOTTOM: {
 281                         int new_height = old_rect->height + (new_y - event->root_y);
 282                         if ((new_height < 0) ||
 283                             (new_height < client_min_height(client) && client->rect.height >= new_height))
 284                                 return;
 285                         client->rect.height = old_rect->height + (new_y - event->root_y);
 286                         break;
 287                 }
 288
 289                 case BORDER_TOP: {
 290                         int new_height = old_rect->height + (event->root_y - new_y);
 291                         if ((new_height < 0) ||
 292                             (new_height < client_min_height(client) && client->rect.height >= new_height))
 293                                 return;
 294
 295                         client->rect.y = old_rect->y + (new_y - event->root_y);
 296                         client->rect.height = new_height;
 297                         break;
 298                 }
 299
 300                 case BORDER_LEFT: {
 301                         int new_width = old_rect->width + (event->root_x - new_x);
 302                         if ((new_width < 0) ||
 303                             (new_width < client_min_width(client) && client->rect.width >= new_width))
 304                                 return;
 305                         client->rect.x = old_rect->x + (new_x - event->root_x);
 306                         client->rect.width = new_width;
 307                         break;
 308                 }
 309         }
 310
 311         /* Push the new position/size to X11 */
 312         reposition_client(conn, client);
 313         resize_client(conn, client);
 314         xcb_flush(conn);
 315 }
 316
 317
 318 /*
 319  * Called whenever the user clicks on a border (not the titlebar!) of a floating window.
 320  * Determines on which border the user clicked and launches the drag_pointer function
 321  * with the resize_callback.
 322  *
 323  */
 324 int floating_border_click(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event) {
 325         DLOG("floating border click\n");
 326
 327         border_t border;
 328
 329         if (event->event_y < 2)
 330                 border = BORDER_TOP;
 331         else if (event->event_y >= (client->rect.height - 2))
 332                 border = BORDER_BOTTOM;
 333         else if (event->event_x <= 2)
 334                 border = BORDER_LEFT;
 335         else if (event->event_x >= (client->rect.width - 2))
 336                 border = BORDER_RIGHT;
 337         else {
 338                 DLOG("Not on any border, not doing anything.\n");
 339                 return 1;
 340         }
 341
 342         DLOG("border = %d\n", border);
 343
 344         struct resize_callback_params params = { border, event };
 345
 346         drag_pointer(conn, client, event, XCB_NONE, border, resize_callback, &params);
 347
 348         return 1;
 349 }
 350
 351 #endif
 352 DRAGGING_CB(drag_window_callback) {
 353         struct xcb_button_press_event_t *event = extra;
 354
 355         /* Reposition the client correctly while moving */
 356         con->rect.x = old_rect->x + (new_x - event->root_x);
 357         con->rect.y = old_rect->y + (new_y - event->root_y);
 358         /* TODO: don’t re-render the whole tree just because we change
 359          * coordinates of a floating window */
 360         tree_render();
 361         x_push_changes(croot);
 362 }
 363
 364 /*
 365  * Called when the user clicked on the titlebar of a floating window.
 366  * Calls the drag_pointer function with the drag_window callback
 367  *
 368  */
 369 void floating_drag_window(Con *con, xcb_button_press_event_t *event) {
 370         DLOG("floating_drag_window\n");
 371
 372         drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, drag_window_callback, event);
 373         tree_render();
 374 }
 375
 376 /*
 377  * This is an ugly data structure which we need because there is no standard
 378  * way of having nested functions (only available as a gcc extension at the
 379  * moment, clang doesn’t support it) or blocks (only available as a clang
 380  * extension and only on Mac OS X systems at the moment).
 381  *
 382  */
 383 struct resize_window_callback_params {
 384     border_t corner;
 385     bool proportional;
 386     xcb_button_press_event_t *event;
 387 };
 388
 389 DRAGGING_CB(resize_window_callback) {
 390     struct resize_window_callback_params *params = extra;
 391     xcb_button_press_event_t *event = params->event;
 392     border_t corner = params->corner;
 393
 394     int32_t dest_x = con->rect.x;
 395     int32_t dest_y = con->rect.y;
 396     uint32_t dest_width;
 397     uint32_t dest_height;
 398
 399     double ratio = (double) old_rect->width / old_rect->height;
 400
 401     /* First guess: We resize by exactly the amount the mouse moved,
 402      * taking into account in which corner the client was grabbed */
 403     if (corner & BORDER_LEFT)
 404             dest_width = old_rect->width - (new_x - event->root_x);
 405     else dest_width = old_rect->width + (new_x - event->root_x);
 406
 407     if (corner & BORDER_TOP)
 408             dest_height = old_rect->height - (new_y - event->root_y);
 409     else dest_height = old_rect->height + (new_y - event->root_y);
 410
 411     /* TODO: minimum window size */
 412 #if 0
 413     /* Obey minimum window size */
 414     dest_width = max(dest_width, client_min_width(client));
 415     dest_height = max(dest_height, client_min_height(client));
 416 #endif
 417
 418     /* User wants to keep proportions, so we may have to adjust our values */
 419     if (params->proportional) {
 420             dest_width = max(dest_width, (int) (dest_height * ratio));
 421             dest_height = max(dest_height, (int) (dest_width / ratio));
 422     }
 423
 424     /* If not the lower right corner is grabbed, we must also reposition
 425      * the client by exactly the amount we resized it */
 426     if (corner & BORDER_LEFT)
 427             dest_x = old_rect->x + (old_rect->width - dest_width);
 428
 429     if (corner & BORDER_TOP)
 430             dest_y = old_rect->y + (old_rect->height - dest_height);
 431
 432     con->rect = (Rect) { dest_x, dest_y, dest_width, dest_height };
 433
 434     /* TODO: don’t re-render the whole tree just because we change
 435      * coordinates of a floating window */
 436     tree_render();
 437     x_push_changes(croot);
 438 }
 439
 440 /*
 441  * Called when the user clicked on a floating window while holding the
 442  * floating_modifier and the right mouse button.
 443  * Calls the drag_pointer function with the resize_window callback
 444  *
 445  */
 446 void floating_resize_window(Con *con, bool proportional,
 447                             xcb_button_press_event_t *event) {
 448     DLOG("floating_resize_window\n");
 449
 450     /* corner saves the nearest corner to the original click. It contains
 451      * a bitmask of the nearest borders (BORDER_LEFT, BORDER_RIGHT, …) */
 452     border_t corner = 0;
 453
 454     if (event->event_x <= (con->rect.width / 2))
 455             corner |= BORDER_LEFT;
 456     else corner |= BORDER_RIGHT;
 457
 458     if (event->event_y <= (con->rect.height / 2))
 459             corner |= BORDER_TOP;
 460     else corner |= BORDER_RIGHT;
 461
 462     struct resize_window_callback_params params = { corner, proportional, event };
 463
 464     drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, resize_window_callback, &params);
 465 }
 466
 467 /*
 468  * This function grabs your pointer and lets you drag stuff around (borders).
 469  * Every time you move your mouse, an XCB_MOTION_NOTIFY event will be received
 470  * and the given callback will be called with the parameters specified (client,
 471  * border on which the click originally was), the original rect of the client,
 472  * the event and the new coordinates (x, y).
 473  *
 474  */
 475 void drag_pointer(Con *con, xcb_button_press_event_t *event, xcb_window_t
 476                 confine_to, border_t border, callback_t callback, void *extra)
 477 {
 478         xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
 479         uint32_t new_x, new_y;
 480         Rect old_rect;
 481         if (con != NULL)
 482                 memcpy(&old_rect, &(con->rect), sizeof(Rect));
 483
 484         /* Grab the pointer */
 485         /* TODO: returncode */
 486         xcb_grab_pointer(conn,
 487                         false,               /* get all pointer events specified by the following mask */
 488                         root,                /* grab the root window */
 489                         XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
 490                         XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
 491                         XCB_GRAB_MODE_ASYNC, /* keyboard mode */
 492                         confine_to,          /* confine_to = in which window should the cursor stay */
 493                         XCB_NONE,            /* don’t display a special cursor */
 494                         XCB_CURRENT_TIME);
 495
 496         /* Go into our own event loop */
 497         xcb_flush(conn);
 498
 499         xcb_generic_event_t *inside_event, *last_motion_notify = NULL;
 500         /* I’ve always wanted to have my own eventhandler… */
 501         while ((inside_event = xcb_wait_for_event(conn))) {
 502                 /* We now handle all events we can get using xcb_poll_for_event */
 503                 do {
 504                         /* Same as get_event_handler in xcb */
 505                         int nr = inside_event->response_type;
 506                         if (nr == 0) {
 507                                 /* An error occured */
 508                                 //handle_event(NULL, conn, inside_event);
 509                                 free(inside_event);
 510                                 continue;
 511                         }
 512                         assert(nr < 256);
 513                         nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
 514                         assert(nr >= 2);
 515
 516                         switch (nr) {
 517                                 case XCB_BUTTON_RELEASE:
 518                                         goto done;
 519
 520                                 case XCB_MOTION_NOTIFY:
 521                                         /* motion_notify events are saved for later */
 522                                         FREE(last_motion_notify);
 523                                         last_motion_notify = inside_event;
 524                                         break;
 525
 526                                 case XCB_UNMAP_NOTIFY:
 527                                         DLOG("Unmap-notify, aborting\n");
 528                                         xcb_event_handle(&evenths, inside_event);
 529                                         goto done;
 530
 531                                 default:
 532                                         DLOG("Passing to original handler\n");
 533                                         /* Use original handler */
 534                                         xcb_event_handle(&evenths, inside_event);
 535                                         break;
 536                         }
 537                         if (last_motion_notify != inside_event)
 538                                 free(inside_event);
 539                 } while ((inside_event = xcb_poll_for_event(conn)) != NULL);
 540
 541                 if (last_motion_notify == NULL)
 542                         continue;
 543
 544                 new_x = ((xcb_motion_notify_event_t*)last_motion_notify)->root_x;
 545                 new_y = ((xcb_motion_notify_event_t*)last_motion_notify)->root_y;
 546
 547                 callback(con, &old_rect, new_x, new_y, extra);
 548                 FREE(last_motion_notify);
 549         }
 550 done:
 551         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
 552         xcb_flush(conn);
 553 }
 554
 555 #if 0
 556 /*
 557  * Changes focus in the given direction for floating clients.
 558  *
 559  * Changing to the left/right means going to the previous/next floating client,
 560  * changing to top/bottom means cycling through the Z-index.
 561  *
 562  */
 563 void floating_focus_direction(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
 564         DLOG("floating focus\n");
 565
 566         if (direction == D_LEFT || direction == D_RIGHT) {
 567                 /* Go to the next/previous floating client */
 568                 Client *client;
 569
 570                 while ((client = (direction == D_LEFT ? TAILQ_PREV(currently_focused, floating_clients_head, floating_clients) :
 571                                                         TAILQ_NEXT(currently_focused, floating_clients))) !=
 572                        TAILQ_END(&(currently_focused->workspace->floating_clients))) {
 573                         if (!client->floating)
 574                                 continue;
 575                         set_focus(conn, client, true);
 576                         return;
 577                 }
 578         }
 579 }
 580
 581 /*
 582  * Moves the client 10px to the specified direction.
 583  *
 584  */
 585 void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
 586         DLOG("floating move\n");
 587
 588         Rect destination = currently_focused->rect;
 589         Rect *screen = &(currently_focused->workspace->output->rect);
 590
 591         switch (direction) {
 592                 case D_LEFT:
 593                         destination.x -= 10;
 594                         break;
 595                 case D_RIGHT:
 596                         destination.x += 10;
 597                         break;
 598                 case D_UP:
 599                         destination.y -= 10;
 600                         break;
 601                 case D_DOWN:
 602                         destination.y += 10;
 603                         break;
 604                 /* to make static analyzers happy */
 605                 default:
 606                         break;
 607         }
 608
 609         /* Prevent windows from vanishing completely */
 610         if ((int32_t)(destination.x + destination.width - 5) <= (int32_t)screen->x ||
 611             (int32_t)(destination.x + 5) >= (int32_t)(screen->x + screen->width) ||
 612             (int32_t)(destination.y + destination.height - 5) <= (int32_t)screen->y ||
 613             (int32_t)(destination.y + 5) >= (int32_t)(screen->y + screen->height)) {
 614                 DLOG("boundary check failed, not moving\n");
 615                 return;
 616         }
 617
 618         currently_focused->rect = destination;
 619         reposition_client(conn, currently_focused);
 620
 621         /* Because reposition_client does not send a faked configure event (only resize does),
 622          * we need to initiate that on our own */
 623         fake_absolute_configure_notify(conn, currently_focused);
 624         /* fake_absolute_configure_notify flushes */
 625 }
 626
 627 /*
 628  * Hides all floating clients (or show them if they are currently hidden) on
 629  * the specified workspace.
 630  *
 631  */
 632 void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace) {
 633         Client *client;
 634
 635         workspace->floating_hidden = !workspace->floating_hidden;
 636         DLOG("floating_hidden is now: %d\n", workspace->floating_hidden);
 637         TAILQ_FOREACH(client, &(workspace->floating_clients), floating_clients) {
 638                 if (workspace->floating_hidden)
 639                         client_unmap(conn, client);
 640                 else client_map(conn, client);
 641         }
 642
 643         /* If we just unmapped all floating windows we should ensure that the focus
 644          * is set correctly, that ist, to the first non-floating client in stack */
 645         if (workspace->floating_hidden)
 646                 SLIST_FOREACH(client, &(workspace->focus_stack), focus_clients) {
 647                         if (client_is_floating(client))
 648                                 continue;
 649                         set_focus(conn, client, true);
 650                         return;
 651                 }
 652
 653         xcb_flush(conn);
 654 }
 655 #endif