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     // TODO: don’t influence focus handling when Con was not focused before.
  82     con_focus(con);
  83 }
  84
  85 void floating_disable(Con *con, bool automatic) {
  86     if (!con_is_floating(con)) {
  87         LOG("Container isn't floating, not doing anything.\n");
  88         return;
  89     }
  90
  91     assert(con->old_parent != NULL);
  92
  93     /* 1: detach from parent container */
  94     TAILQ_REMOVE(&(con->parent->nodes_head), con, nodes);
  95     TAILQ_REMOVE(&(con->parent->focus_head), con, focused);
  96
  97     /* 2: kill parent container */
  98     TAILQ_REMOVE(&(con->parent->parent->floating_head), con->parent, floating_windows);
  99     TAILQ_REMOVE(&(con->parent->parent->focus_head), con->parent, focused);
 100     tree_close(con->parent, false, false);
 101
 102     /* 3: re-attach to previous parent */
 103     con->parent = con->old_parent;
 104     TAILQ_INSERT_TAIL(&(con->parent->nodes_head), con, nodes);
 105     TAILQ_INSERT_TAIL(&(con->parent->focus_head), con, focused);
 106
 107     con->floating = FLOATING_USER_OFF;
 108
 109     con_fix_percent(con->parent, WINDOW_ADD);
 110     // TODO: don’t influence focus handling when Con was not focused before.
 111     con_focus(con);
 112 }
 113
 114
 115 /*
 116  * Toggles floating mode for the given container.
 117  *
 118  * If the automatic flag is set to true, this was an automatic update by a change of the
 119  * window class from the application which can be overwritten by the user.
 120  *
 121  */
 122 void toggle_floating_mode(Con *con, bool automatic) {
 123         //i3Font *font = load_font(conn, config.font);
 124
 125         /* see if the client is already floating */
 126         if (con_is_floating(con)) {
 127                 LOG("already floating, re-setting to tiling\n");
 128
 129                 floating_disable(con, automatic);
 130                 return;
 131         }
 132
 133         floating_enable(con, automatic);
 134
 135
 136 #if 0
 137         if (client->dock) {
 138                 DLOG("Not putting dock client into floating mode\n");
 139                 return;
 140         }
 141
 142         if (con == NULL) {
 143                 DLOG("This client is already in floating (container == NULL), re-inserting\n");
 144                 Client *next_tiling;
 145                 Workspace *ws = client->workspace;
 146                 SLIST_FOREACH(next_tiling, &(ws->focus_stack), focus_clients)
 147                         if (!client_is_floating(next_tiling))
 148                                 break;
 149                 /* If there are no tiling clients on this workspace, there can only be one
 150                  * container: the first one */
 151                 if (next_tiling == TAILQ_END(&(ws->focus_stack)))
 152                         con = ws->table[0][0];
 153                 else con = next_tiling->container;
 154
 155                 /* Remove the client from the list of floating clients */
 156                 TAILQ_REMOVE(&(ws->floating_clients), client, floating_clients);
 157
 158                 DLOG("destination container = %p\n", con);
 159                 Client *old_focused = con->currently_focused;
 160                 /* Preserve position/size */
 161                 memcpy(&(client->floating_rect), &(client->rect), sizeof(Rect));
 162
 163                 client->floating = FLOATING_USER_OFF;
 164                 client->container = con;
 165
 166                 if (old_focused != NULL && !old_focused->dock)
 167                         CIRCLEQ_INSERT_AFTER(&(con->clients), old_focused, client, clients);
 168                 else CIRCLEQ_INSERT_TAIL(&(con->clients), client, clients);
 169
 170                 DLOG("Re-inserted the window.\n");
 171                 con->currently_focused = client;
 172
 173                 client_set_below_floating(conn, client);
 174
 175                 render_container(conn, con);
 176                 xcb_flush(conn);
 177
 178                 return;
 179         }
 180
 181         DLOG("Entering floating for client %08x\n", client->child);
 182
 183         /* Remove the client of its container */
 184         client_remove_from_container(conn, client, con, false);
 185         client->container = NULL;
 186
 187         /* Add the client to the list of floating clients for its workspace */
 188         TAILQ_INSERT_TAIL(&(client->workspace->floating_clients), client, floating_clients);
 189
 190         if (con->currently_focused == client) {
 191                 DLOG("Need to re-adjust currently_focused\n");
 192                 /* Get the next client in the focus stack for this particular container */
 193                 con->currently_focused = get_last_focused_client(conn, con, NULL);
 194         }
 195
 196         if (automatic)
 197                 client->floating = FLOATING_AUTO_ON;
 198         else client->floating = FLOATING_USER_ON;
 199
 200         /* Initialize the floating position from the position in tiling mode, if this
 201          * client never was floating (x == -1) */
 202         if (client->floating_rect.x == -1) {
 203                 /* Copy over the position */
 204                 client->floating_rect.x = client->rect.x;
 205                 client->floating_rect.y = client->rect.y;
 206
 207                 /* Copy size the other direction */
 208                 client->child_rect.width = client->floating_rect.width;
 209                 client->child_rect.height = client->floating_rect.height;
 210
 211                 client->rect.width = client->child_rect.width + 2 + 2;
 212                 client->rect.height = client->child_rect.height + (font->height + 2 + 2) + 2;
 213
 214                 DLOG("copying size from tiling (%d, %d) size (%d, %d)\n", client->floating_rect.x, client->floating_rect.y,
 215                                 client->floating_rect.width, client->floating_rect.height);
 216         } else {
 217                 /* If the client was already in floating before we restore the old position / size */
 218                 DLOG("using: (%d, %d) size (%d, %d)\n", client->floating_rect.x, client->floating_rect.y,
 219                         client->floating_rect.width, client->floating_rect.height);
 220                 memcpy(&(client->rect), &(client->floating_rect), sizeof(Rect));
 221         }
 222
 223         /* Raise the client */
 224         xcb_raise_window(conn, client->frame);
 225         reposition_client(conn, client);
 226         resize_client(conn, client);
 227         /* redecorate_window flushes */
 228         redecorate_window(conn, client);
 229
 230         /* Re-render the tiling layout of this container */
 231         render_container(conn, con);
 232         xcb_flush(conn);
 233 #endif
 234 }
 235
 236 #if 0
 237 /*
 238  * Removes the floating client from its workspace and attaches it to the new workspace.
 239  * This is centralized here because it may happen if you move it via keyboard and
 240  * if you move it using your mouse.
 241  *
 242  */
 243 void floating_assign_to_workspace(Client *client, Workspace *new_workspace) {
 244         /* Remove from focus stack and list of floating clients */
 245         SLIST_REMOVE(&(client->workspace->focus_stack), client, Client, focus_clients);
 246         TAILQ_REMOVE(&(client->workspace->floating_clients), client, floating_clients);
 247
 248         if (client->workspace->fullscreen_client == client)
 249                 client->workspace->fullscreen_client = NULL;
 250
 251         /* Insert into destination focus stack and list of floating clients */
 252         client->workspace = new_workspace;
 253         SLIST_INSERT_HEAD(&(client->workspace->focus_stack), client, focus_clients);
 254         TAILQ_INSERT_TAIL(&(client->workspace->floating_clients), client, floating_clients);
 255         if (client->fullscreen)
 256                 client->workspace->fullscreen_client = client;
 257 }
 258
 259 /*
 260  * This is an ugly data structure which we need because there is no standard
 261  * way of having nested functions (only available as a gcc extension at the
 262  * moment, clang doesn’t support it) or blocks (only available as a clang
 263  * extension and only on Mac OS X systems at the moment).
 264  *
 265  */
 266 struct resize_callback_params {
 267         border_t border;
 268         xcb_button_press_event_t *event;
 269 };
 270
 271 DRAGGING_CB(resize_callback) {
 272         struct resize_callback_params *params = extra;
 273         xcb_button_press_event_t *event = params->event;
 274         switch (params->border) {
 275                 case BORDER_RIGHT: {
 276                         int new_width = old_rect->width + (new_x - event->root_x);
 277                         if ((new_width < 0) ||
 278                             (new_width < client_min_width(client) && client->rect.width >= new_width))
 279                                 return;
 280                         client->rect.width = new_width;
 281                         break;
 282                 }
 283
 284                 case BORDER_BOTTOM: {
 285                         int new_height = old_rect->height + (new_y - event->root_y);
 286                         if ((new_height < 0) ||
 287                             (new_height < client_min_height(client) && client->rect.height >= new_height))
 288                                 return;
 289                         client->rect.height = old_rect->height + (new_y - event->root_y);
 290                         break;
 291                 }
 292
 293                 case BORDER_TOP: {
 294                         int new_height = old_rect->height + (event->root_y - new_y);
 295                         if ((new_height < 0) ||
 296                             (new_height < client_min_height(client) && client->rect.height >= new_height))
 297                                 return;
 298
 299                         client->rect.y = old_rect->y + (new_y - event->root_y);
 300                         client->rect.height = new_height;
 301                         break;
 302                 }
 303
 304                 case BORDER_LEFT: {
 305                         int new_width = old_rect->width + (event->root_x - new_x);
 306                         if ((new_width < 0) ||
 307                             (new_width < client_min_width(client) && client->rect.width >= new_width))
 308                                 return;
 309                         client->rect.x = old_rect->x + (new_x - event->root_x);
 310                         client->rect.width = new_width;
 311                         break;
 312                 }
 313         }
 314
 315         /* Push the new position/size to X11 */
 316         reposition_client(conn, client);
 317         resize_client(conn, client);
 318         xcb_flush(conn);
 319 }
 320
 321
 322 /*
 323  * Called whenever the user clicks on a border (not the titlebar!) of a floating window.
 324  * Determines on which border the user clicked and launches the drag_pointer function
 325  * with the resize_callback.
 326  *
 327  */
 328 int floating_border_click(xcb_connection_t *conn, Client *client, xcb_button_press_event_t *event) {
 329         DLOG("floating border click\n");
 330
 331         border_t border;
 332
 333         if (event->event_y < 2)
 334                 border = BORDER_TOP;
 335         else if (event->event_y >= (client->rect.height - 2))
 336                 border = BORDER_BOTTOM;
 337         else if (event->event_x <= 2)
 338                 border = BORDER_LEFT;
 339         else if (event->event_x >= (client->rect.width - 2))
 340                 border = BORDER_RIGHT;
 341         else {
 342                 DLOG("Not on any border, not doing anything.\n");
 343                 return 1;
 344         }
 345
 346         DLOG("border = %d\n", border);
 347
 348         struct resize_callback_params params = { border, event };
 349
 350         drag_pointer(conn, client, event, XCB_NONE, border, resize_callback, &params);
 351
 352         return 1;
 353 }
 354
 355 #endif
 356 DRAGGING_CB(drag_window_callback) {
 357         struct xcb_button_press_event_t *event = extra;
 358
 359         /* Reposition the client correctly while moving */
 360         con->rect.x = old_rect->x + (new_x - event->root_x);
 361         con->rect.y = old_rect->y + (new_y - event->root_y);
 362         /* TODO: don’t re-render the whole tree just because we change
 363          * coordinates of a floating window */
 364         tree_render();
 365         x_push_changes(croot);
 366 }
 367
 368 /*
 369  * Called when the user clicked on the titlebar of a floating window.
 370  * Calls the drag_pointer function with the drag_window callback
 371  *
 372  */
 373 void floating_drag_window(Con *con, xcb_button_press_event_t *event) {
 374         DLOG("floating_drag_window\n");
 375
 376         drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, drag_window_callback, event);
 377         tree_render();
 378 }
 379
 380 /*
 381  * This is an ugly data structure which we need because there is no standard
 382  * way of having nested functions (only available as a gcc extension at the
 383  * moment, clang doesn’t support it) or blocks (only available as a clang
 384  * extension and only on Mac OS X systems at the moment).
 385  *
 386  */
 387 struct resize_window_callback_params {
 388     border_t corner;
 389     bool proportional;
 390     xcb_button_press_event_t *event;
 391 };
 392
 393 DRAGGING_CB(resize_window_callback) {
 394     struct resize_window_callback_params *params = extra;
 395     xcb_button_press_event_t *event = params->event;
 396     border_t corner = params->corner;
 397
 398     int32_t dest_x = con->rect.x;
 399     int32_t dest_y = con->rect.y;
 400     uint32_t dest_width;
 401     uint32_t dest_height;
 402
 403     double ratio = (double) old_rect->width / old_rect->height;
 404
 405     /* First guess: We resize by exactly the amount the mouse moved,
 406      * taking into account in which corner the client was grabbed */
 407     if (corner & BORDER_LEFT)
 408             dest_width = old_rect->width - (new_x - event->root_x);
 409     else dest_width = old_rect->width + (new_x - event->root_x);
 410
 411     if (corner & BORDER_TOP)
 412             dest_height = old_rect->height - (new_y - event->root_y);
 413     else dest_height = old_rect->height + (new_y - event->root_y);
 414
 415     /* TODO: minimum window size */
 416 #if 0
 417     /* Obey minimum window size */
 418     dest_width = max(dest_width, client_min_width(client));
 419     dest_height = max(dest_height, client_min_height(client));
 420 #endif
 421
 422     /* User wants to keep proportions, so we may have to adjust our values */
 423     if (params->proportional) {
 424             dest_width = max(dest_width, (int) (dest_height * ratio));
 425             dest_height = max(dest_height, (int) (dest_width / ratio));
 426     }
 427
 428     /* If not the lower right corner is grabbed, we must also reposition
 429      * the client by exactly the amount we resized it */
 430     if (corner & BORDER_LEFT)
 431             dest_x = old_rect->x + (old_rect->width - dest_width);
 432
 433     if (corner & BORDER_TOP)
 434             dest_y = old_rect->y + (old_rect->height - dest_height);
 435
 436     con->rect = (Rect) { dest_x, dest_y, dest_width, dest_height };
 437
 438     /* TODO: don’t re-render the whole tree just because we change
 439      * coordinates of a floating window */
 440     tree_render();
 441     x_push_changes(croot);
 442 }
 443
 444 /*
 445  * Called when the user clicked on a floating window while holding the
 446  * floating_modifier and the right mouse button.
 447  * Calls the drag_pointer function with the resize_window callback
 448  *
 449  */
 450 void floating_resize_window(Con *con, bool proportional,
 451                             xcb_button_press_event_t *event) {
 452     DLOG("floating_resize_window\n");
 453
 454     /* corner saves the nearest corner to the original click. It contains
 455      * a bitmask of the nearest borders (BORDER_LEFT, BORDER_RIGHT, …) */
 456     border_t corner = 0;
 457
 458     if (event->event_x <= (con->rect.width / 2))
 459             corner |= BORDER_LEFT;
 460     else corner |= BORDER_RIGHT;
 461
 462     if (event->event_y <= (con->rect.height / 2))
 463             corner |= BORDER_TOP;
 464     else corner |= BORDER_RIGHT;
 465
 466     struct resize_window_callback_params params = { corner, proportional, event };
 467
 468     drag_pointer(con, event, XCB_NONE, BORDER_TOP /* irrelevant */, resize_window_callback, &params);
 469 }
 470
 471 /*
 472  * This function grabs your pointer and lets you drag stuff around (borders).
 473  * Every time you move your mouse, an XCB_MOTION_NOTIFY event will be received
 474  * and the given callback will be called with the parameters specified (client,
 475  * border on which the click originally was), the original rect of the client,
 476  * the event and the new coordinates (x, y).
 477  *
 478  */
 479 void drag_pointer(Con *con, xcb_button_press_event_t *event, xcb_window_t
 480                 confine_to, border_t border, callback_t callback, void *extra)
 481 {
 482         xcb_window_t root = xcb_setup_roots_iterator(xcb_get_setup(conn)).data->root;
 483         uint32_t new_x, new_y;
 484         Rect old_rect;
 485         if (con != NULL)
 486                 memcpy(&old_rect, &(con->rect), sizeof(Rect));
 487
 488         /* Grab the pointer */
 489         /* TODO: returncode */
 490         xcb_grab_pointer(conn,
 491                         false,               /* get all pointer events specified by the following mask */
 492                         root,                /* grab the root window */
 493                         XCB_EVENT_MASK_BUTTON_RELEASE | XCB_EVENT_MASK_POINTER_MOTION, /* which events to let through */
 494                         XCB_GRAB_MODE_ASYNC, /* pointer events should continue as normal */
 495                         XCB_GRAB_MODE_ASYNC, /* keyboard mode */
 496                         confine_to,          /* confine_to = in which window should the cursor stay */
 497                         XCB_NONE,            /* don’t display a special cursor */
 498                         XCB_CURRENT_TIME);
 499
 500         /* Go into our own event loop */
 501         xcb_flush(conn);
 502
 503         xcb_generic_event_t *inside_event, *last_motion_notify = NULL;
 504         /* I’ve always wanted to have my own eventhandler… */
 505         while ((inside_event = xcb_wait_for_event(conn))) {
 506                 /* We now handle all events we can get using xcb_poll_for_event */
 507                 do {
 508                         /* Same as get_event_handler in xcb */
 509                         int nr = inside_event->response_type;
 510                         if (nr == 0) {
 511                                 /* An error occured */
 512                                 //handle_event(NULL, conn, inside_event);
 513                                 free(inside_event);
 514                                 continue;
 515                         }
 516                         assert(nr < 256);
 517                         nr &= XCB_EVENT_RESPONSE_TYPE_MASK;
 518                         assert(nr >= 2);
 519
 520                         switch (nr) {
 521                                 case XCB_BUTTON_RELEASE:
 522                                         goto done;
 523
 524                                 case XCB_MOTION_NOTIFY:
 525                                         /* motion_notify events are saved for later */
 526                                         FREE(last_motion_notify);
 527                                         last_motion_notify = inside_event;
 528                                         break;
 529
 530                                 case XCB_UNMAP_NOTIFY:
 531                                         DLOG("Unmap-notify, aborting\n");
 532                                         xcb_event_handle(&evenths, inside_event);
 533                                         goto done;
 534
 535                                 default:
 536                                         DLOG("Passing to original handler\n");
 537                                         /* Use original handler */
 538                                         xcb_event_handle(&evenths, inside_event);
 539                                         break;
 540                         }
 541                         if (last_motion_notify != inside_event)
 542                                 free(inside_event);
 543                 } while ((inside_event = xcb_poll_for_event(conn)) != NULL);
 544
 545                 if (last_motion_notify == NULL)
 546                         continue;
 547
 548                 new_x = ((xcb_motion_notify_event_t*)last_motion_notify)->root_x;
 549                 new_y = ((xcb_motion_notify_event_t*)last_motion_notify)->root_y;
 550
 551                 callback(con, &old_rect, new_x, new_y, extra);
 552                 FREE(last_motion_notify);
 553         }
 554 done:
 555         xcb_ungrab_pointer(conn, XCB_CURRENT_TIME);
 556         xcb_flush(conn);
 557 }
 558
 559 #if 0
 560 /*
 561  * Changes focus in the given direction for floating clients.
 562  *
 563  * Changing to the left/right means going to the previous/next floating client,
 564  * changing to top/bottom means cycling through the Z-index.
 565  *
 566  */
 567 void floating_focus_direction(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
 568         DLOG("floating focus\n");
 569
 570         if (direction == D_LEFT || direction == D_RIGHT) {
 571                 /* Go to the next/previous floating client */
 572                 Client *client;
 573
 574                 while ((client = (direction == D_LEFT ? TAILQ_PREV(currently_focused, floating_clients_head, floating_clients) :
 575                                                         TAILQ_NEXT(currently_focused, floating_clients))) !=
 576                        TAILQ_END(&(currently_focused->workspace->floating_clients))) {
 577                         if (!client->floating)
 578                                 continue;
 579                         set_focus(conn, client, true);
 580                         return;
 581                 }
 582         }
 583 }
 584
 585 /*
 586  * Moves the client 10px to the specified direction.
 587  *
 588  */
 589 void floating_move(xcb_connection_t *conn, Client *currently_focused, direction_t direction) {
 590         DLOG("floating move\n");
 591
 592         Rect destination = currently_focused->rect;
 593         Rect *screen = &(currently_focused->workspace->output->rect);
 594
 595         switch (direction) {
 596                 case D_LEFT:
 597                         destination.x -= 10;
 598                         break;
 599                 case D_RIGHT:
 600                         destination.x += 10;
 601                         break;
 602                 case D_UP:
 603                         destination.y -= 10;
 604                         break;
 605                 case D_DOWN:
 606                         destination.y += 10;
 607                         break;
 608                 /* to make static analyzers happy */
 609                 default:
 610                         break;
 611         }
 612
 613         /* Prevent windows from vanishing completely */
 614         if ((int32_t)(destination.x + destination.width - 5) <= (int32_t)screen->x ||
 615             (int32_t)(destination.x + 5) >= (int32_t)(screen->x + screen->width) ||
 616             (int32_t)(destination.y + destination.height - 5) <= (int32_t)screen->y ||
 617             (int32_t)(destination.y + 5) >= (int32_t)(screen->y + screen->height)) {
 618                 DLOG("boundary check failed, not moving\n");
 619                 return;
 620         }
 621
 622         currently_focused->rect = destination;
 623         reposition_client(conn, currently_focused);
 624
 625         /* Because reposition_client does not send a faked configure event (only resize does),
 626          * we need to initiate that on our own */
 627         fake_absolute_configure_notify(conn, currently_focused);
 628         /* fake_absolute_configure_notify flushes */
 629 }
 630
 631 /*
 632  * Hides all floating clients (or show them if they are currently hidden) on
 633  * the specified workspace.
 634  *
 635  */
 636 void floating_toggle_hide(xcb_connection_t *conn, Workspace *workspace) {
 637         Client *client;
 638
 639         workspace->floating_hidden = !workspace->floating_hidden;
 640         DLOG("floating_hidden is now: %d\n", workspace->floating_hidden);
 641         TAILQ_FOREACH(client, &(workspace->floating_clients), floating_clients) {
 642                 if (workspace->floating_hidden)
 643                         client_unmap(conn, client);
 644                 else client_map(conn, client);
 645         }
 646
 647         /* If we just unmapped all floating windows we should ensure that the focus
 648          * is set correctly, that ist, to the first non-floating client in stack */
 649         if (workspace->floating_hidden)
 650                 SLIST_FOREACH(client, &(workspace->focus_stack), focus_clients) {
 651                         if (client_is_floating(client))
 652                                 continue;
 653                         set_focus(conn, client, true);
 654                         return;
 655                 }
 656
 657         xcb_flush(conn);
 658 }
 659 #endif