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

   1 /*
   2  * vim:ts=8:expandtab
   3  *
   4  * i3 - an improved dynamic tiling window manager
   5  *
   6  * © 2009 Michael Stapelberg and contributors
   7  *
   8  * See file LICENSE for license information.
   9  *
  10  * layout.c: Functions handling layout/drawing of window decorations
  11  *
  12  */
  13 #include <stdio.h>
  14 #include <string.h>
  15 #include <stdlib.h>
  16 #include <xcb/xcb.h>
  17 #include <assert.h>
  18
  19 #include "config.h"
  20 #include "i3.h"
  21 #include "xcb.h"
  22 #include "table.h"
  23 #include "util.h"
  24 #include "xinerama.h"
  25 #include "layout.h"
  26
  27 /*
  28  * Updates *destination with new_value and returns true if it was changed or false
  29  * if it was the same
  30  *
  31  */
  32 static bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
  33         int old_value = *destination;
  34
  35         return ((*destination = new_value) != old_value);
  36 }
  37
  38 /*
  39  * Gets the unoccupied space (= space which is available for windows which were resized by the user)
  40  * for the given row. This is necessary to render both, customly resized windows and never touched
  41  * windows correctly, meaning that the aspect ratio will be maintained when opening new windows.
  42  *
  43  */
  44 int get_unoccupied_x(Workspace *workspace, int row) {
  45         int unoccupied = workspace->rect.width;
  46         float default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width;
  47
  48         LOG("get_unoccupied_x(), starting with %d, default_factor = %f\n", unoccupied, default_factor);
  49
  50         for (int cols = 0; cols < workspace->cols;) {
  51                 Container *con = workspace->table[cols][row];
  52                 LOG("width_factor[%d][%d] = %f, colspan = %d\n", cols, row, con->width_factor, con->colspan);
  53                 if (con->width_factor == 0)
  54                         unoccupied -= workspace->rect.width * default_factor * con->colspan;
  55                 cols += con->colspan;
  56         }
  57
  58         assert(unoccupied != 0);
  59
  60         LOG("unoccupied space: %d\n", unoccupied);
  61         return unoccupied;
  62 }
  63
  64 /* See get_unoccupied_x() */
  65 int get_unoccupied_y(Workspace *workspace, int col) {
  66         int unoccupied = workspace->rect.height;
  67         float default_factor = ((float)workspace->rect.height / workspace->rows) / workspace->rect.height;
  68
  69         LOG("get_unoccupied_y(), starting with %d, default_factor = %f\n", unoccupied, default_factor);
  70
  71         for (int rows = 0; rows < workspace->rows;) {
  72                 Container *con = workspace->table[col][rows];
  73                 LOG("height_factor[%d][%d] = %f, rowspan %d\n", col, rows, con->height_factor, con->rowspan);
  74                 if (con->height_factor == 0)
  75                         unoccupied -= workspace->rect.height * default_factor * con->rowspan;
  76                 rows += con->rowspan;
  77         }
  78
  79         assert(unoccupied != 0);
  80
  81         LOG("unoccupied space: %d\n", unoccupied);
  82         return unoccupied;
  83 }
  84
  85 /*
  86  * Redecorates the given client correctly by checking if it’s in a stacking container and
  87  * re-rendering the stack window or just calling decorate_window if it’s not in a stacking
  88  * container.
  89  *
  90  */
  91 void redecorate_window(xcb_connection_t *conn, Client *client) {
  92         if (client->container->mode == MODE_STACK) {
  93                 render_container(conn, client->container);
  94                 /* We clear the frame to generate exposure events, because the color used
  95                    in drawing may be different */
  96                 xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height);
  97         } else decorate_window(conn, client, client->frame, client->titlegc, 0);
  98         xcb_flush(conn);
  99 }
 100
 101 /*
 102  * (Re-)draws window decorations for a given Client onto the given drawable/graphic context.
 103  * When in stacking mode, the window decorations are drawn onto an own window.
 104  *
 105  */
 106 void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable, xcb_gcontext_t gc, int offset) {
 107         i3Font *font = load_font(conn, config.font);
 108         int decoration_height = font->height + 2 + 2;
 109         uint32_t background_color,
 110                  text_color,
 111                  border_color;
 112
 113         /* Clients without a container (docks) won’t get decorated */
 114         if (client->container == NULL)
 115                 return;
 116
 117         if (client->container->currently_focused == client) {
 118                 /* Distinguish if the window is currently focused… */
 119                 if (CUR_CELL->currently_focused == client)
 120                         background_color = get_colorpixel(conn, "#285577");
 121                 /* …or if it is the focused window in a not focused container */
 122                 else background_color = get_colorpixel(conn, "#555555");
 123
 124                 text_color = get_colorpixel(conn, "#ffffff");
 125                 border_color = get_colorpixel(conn, "#4c7899");
 126         } else {
 127                 background_color = get_colorpixel(conn, "#222222");
 128                 text_color = get_colorpixel(conn, "#888888");
 129                 border_color = get_colorpixel(conn, "#333333");
 130         }
 131
 132         /* Our plan is the following:
 133            - Draw a rect around the whole client in background_color
 134            - Draw two lines in a lighter color
 135            - Draw the window’s title
 136          */
 137
 138         /* Draw a rectangle in background color around the window */
 139         xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, background_color);
 140
 141         /* In stacking mode, we only render the rect for this specific decoration */
 142         if (client->container->mode == MODE_STACK) {
 143                 xcb_rectangle_t rect = {0, offset, client->container->width, offset + decoration_height };
 144                 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
 145         } else {
 146                 /* We need to use the container’s width because it is the more recent value - when
 147                    in stacking mode, clients get reconfigured only on demand (the not active client
 148                    is not reconfigured), so the client’s rect.width would be wrong */
 149                 xcb_rectangle_t rect = {0, 0, client->container->width, client->rect.height};
 150                 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
 151
 152                 /* Draw the inner background to have a black frame around clients (such as mplayer)
 153                    which cannot be resized exactly in our frames and therefore are centered */
 154                 xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
 155                 xcb_rectangle_t crect = {2, decoration_height,
 156                                          client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height};
 157                 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
 158         }
 159
 160         /* Draw the lines */
 161         xcb_draw_line(conn, drawable, gc, border_color, 2, offset, client->rect.width, offset);
 162         xcb_draw_line(conn, drawable, gc, border_color, 2, offset + font->height + 3,
 163                       2 + client->rect.width, offset + font->height + 3);
 164
 165         /* If the client has a title, we draw it */
 166         if (client->name != NULL) {
 167                 /* Draw the font */
 168                 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
 169                 uint32_t values[] = { text_color, background_color, font->id };
 170                 xcb_change_gc(conn, gc, mask, values);
 171
 172                 /* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME,
 173                    and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which
 174                    is UTF-8 */
 175                 if (client->name_len == -1)
 176                         xcb_image_text_8(conn, strlen(client->name), drawable, gc, 3 /* X */,
 177                                          offset + font->height /* Y = baseline of font */, client->name);
 178                 else
 179                         xcb_image_text_16(conn, client->name_len, drawable, gc, 3 /* X */,
 180                                           offset + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name);
 181         }
 182 }
 183
 184 /*
 185  * Pushes the client’s x and y coordinates to X11
 186  *
 187  */
 188 static void reposition_client(xcb_connection_t *conn, Client *client) {
 189         LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
 190         /* Note: We can use a pointer to client->x like an array of uint32_ts
 191            because it is followed by client->y by definition */
 192         xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x));
 193 }
 194
 195 /*
 196  * Pushes the client’s width/height to X11 and resizes the child window
 197  *
 198  */
 199 static void resize_client(xcb_connection_t *conn, Client *client) {
 200         i3Font *font = load_font(conn, config.font);
 201
 202         LOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
 203         xcb_configure_window(conn, client->frame,
 204                         XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
 205                         &(client->rect.width));
 206
 207         /* Adjust the position of the child inside its frame.
 208          * The coordinates of the child are relative to its frame, we
 209          * add a border of 2 pixel to each value */
 210         uint32_t mask = XCB_CONFIG_WINDOW_X |
 211                         XCB_CONFIG_WINDOW_Y |
 212                         XCB_CONFIG_WINDOW_WIDTH |
 213                         XCB_CONFIG_WINDOW_HEIGHT;
 214         Rect *rect = &(client->child_rect);
 215         switch ((client->container != NULL ? client->container->mode : MODE_DEFAULT)) {
 216                 case MODE_STACK:
 217                         rect->x = 2;
 218                         rect->y = 0;
 219                         rect->width = client->rect.width - (2 + 2);
 220                         rect->height = client->rect.height - 2;
 221                         break;
 222                 default:
 223                         if (client->titlebar_position == TITLEBAR_OFF) {
 224                                 rect->x = 0;
 225                                 rect->y = 0;
 226                                 rect->width = client->rect.width;
 227                                 rect->height = client->rect.height;
 228                         } else {
 229                                 rect->x = 2;
 230                                 rect->y = font->height + 2 + 2;
 231                                 rect->width = client->rect.width - (2 + 2);
 232                                 rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
 233                         }
 234                         break;
 235         }
 236
 237         /* Obey the ratio, if any */
 238         if (client->proportional_height != 0 &&
 239             client->proportional_width != 0) {
 240                 LOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
 241                 double new_height = rect->height + 1;
 242                 int new_width = rect->width;
 243
 244                 while (new_height > rect->height) {
 245                         new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
 246
 247                         if (new_height > rect->height)
 248                                 new_width--;
 249                 }
 250                 /* Center the window */
 251                 rect->y += (rect->height / 2) - (new_height / 2);
 252                 rect->x += (rect->width / 2) - (new_width / 2);
 253
 254                 rect->height = new_height;
 255                 rect->width = new_width;
 256                 LOG("new_height = %f, new_width = %d\n", new_height, new_width);
 257         }
 258
 259         LOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
 260
 261         xcb_configure_window(conn, client->child, mask, &(rect->x));
 262
 263         /* After configuring a child window we need to fake a configure_notify_event according
 264            to ICCCM 4.2.3. This seems rather broken, especially since X sends exactly the same
 265            configure_notify_event automatically according to xtrace. Anyone knows details? */
 266         fake_configure_notify(conn, *rect, client->child);
 267 }
 268
 269 /*
 270  * Renders the given container. Is called by render_layout() or individually (for example
 271  * when focus changes in a stacking container)
 272  *
 273  */
 274 void render_container(xcb_connection_t *conn, Container *container) {
 275         Client *client;
 276         int num_clients = 0, current_client = 0;
 277
 278         if (container->currently_focused == NULL)
 279                 return;
 280
 281         CIRCLEQ_FOREACH(client, &(container->clients), clients)
 282                 num_clients++;
 283
 284         if (container->mode == MODE_DEFAULT) {
 285                 LOG("got %d clients in this default container.\n", num_clients);
 286                 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
 287                         /* If the client is in fullscreen mode, it does not get reconfigured */
 288                         if (container->workspace->fullscreen_client == client) {
 289                                 current_client++;
 290                                 continue;
 291                         }
 292
 293                         /* Check if we changed client->x or client->y by updating it.
 294                          * Note the bitwise OR instead of logical OR to force evaluation of both statements */
 295                         if (client->force_reconfigure |
 296                             update_if_necessary(&(client->rect.x), container->x) |
 297                             update_if_necessary(&(client->rect.y), container->y +
 298                                         (container->height / num_clients) * current_client))
 299                                 reposition_client(conn, client);
 300
 301                         /* TODO: vertical default layout */
 302                         if (client->force_reconfigure |
 303                             update_if_necessary(&(client->rect.width), container->width) |
 304                             update_if_necessary(&(client->rect.height), container->height / num_clients))
 305                                 resize_client(conn, client);
 306
 307                         client->force_reconfigure = false;
 308
 309                         current_client++;
 310                 }
 311         } else {
 312                 i3Font *font = load_font(conn, config.font);
 313                 int decoration_height = (font->height + 2 + 2);
 314                 struct Stack_Window *stack_win = &(container->stack_win);
 315
 316                 /* Check if we need to remap our stack title window, it gets unmapped when the container
 317                    is empty in src/handlers.c:unmap_notify() */
 318                 if (stack_win->rect.height == 0)
 319                         xcb_map_window(conn, stack_win->window);
 320
 321                 /* Check if we need to reconfigure our stack title window */
 322                 if (update_if_necessary(&(stack_win->rect.x), container->x) |
 323                     update_if_necessary(&(stack_win->rect.y), container->y) |
 324                     update_if_necessary(&(stack_win->rect.width), container->width) |
 325                     update_if_necessary(&(stack_win->rect.height), decoration_height * num_clients)) {
 326
 327                         /* Configuration can happen in two slightly different ways:
 328
 329                            If there is no client in fullscreen mode, 5 parameters are passed
 330                            (x, y, width, height, stack mode is set to above which means top-most position).
 331
 332                            If there is a fullscreen client, the fourth parameter is set to to the
 333                            fullscreen window as sibling and the stack mode is set to below, which means
 334                            that the stack_window will be placed just below the sibling, that is, under
 335                            the fullscreen window.
 336                          */
 337                         uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
 338                                               stack_win->rect.width, stack_win->rect.height,
 339                                               XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
 340                         uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
 341                                         XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
 342                                         XCB_CONFIG_WINDOW_STACK_MODE;
 343
 344                         /* If there is no fullscreen client, we raise the stack window */
 345                         if (container->workspace->fullscreen_client != NULL) {
 346                                 mask |= XCB_CONFIG_WINDOW_SIBLING;
 347                                 values[4] = container->workspace->fullscreen_client->frame;
 348                         }
 349
 350                         xcb_configure_window(conn, stack_win->window, mask, values);
 351                 }
 352
 353                 /* Reconfigure the currently focused client, if necessary. It is the only visible one */
 354                 client = container->currently_focused;
 355
 356                 if (container->workspace->fullscreen_client == NULL) {
 357                         uint32_t values[] = { XCB_STACK_MODE_ABOVE };
 358                         xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_STACK_MODE, values);
 359                 }
 360
 361                 /* Render the decorations of all clients */
 362                 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
 363                         /* If the client is in fullscreen mode, it does not get reconfigured */
 364                         if (container->workspace->fullscreen_client == client) {
 365                                 current_client++;
 366                                 continue;
 367                         }
 368
 369                         /* Check if we changed client->x or client->y by updating it.
 370                          * Note the bitwise OR instead of logical OR to force evaluation of both statements */
 371                         if (client->force_reconfigure |
 372                             update_if_necessary(&(client->rect.x), container->x) |
 373                             update_if_necessary(&(client->rect.y), container->y + (decoration_height * num_clients)))
 374                                 reposition_client(conn, client);
 375
 376                         if (client->force_reconfigure |
 377                             update_if_necessary(&(client->rect.width), container->width) |
 378                             update_if_necessary(&(client->rect.height), container->height - (decoration_height * num_clients)))
 379                                 resize_client(conn, client);
 380
 381                         client->force_reconfigure = false;
 382
 383                         decorate_window(conn, client, stack_win->window, stack_win->gc,
 384                                         current_client++ * decoration_height);
 385                 }
 386         }
 387 }
 388
 389 static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
 390         Client *client;
 391         SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients) {
 392                 LOG("client is at %d, should be at %d\n", client->rect.y, *height);
 393                 if (client->force_reconfigure |
 394                     update_if_necessary(&(client->rect.x), 0) |
 395                     update_if_necessary(&(client->rect.y), *height))
 396                         reposition_client(conn, client);
 397
 398                 if (client->force_reconfigure |
 399                     update_if_necessary(&(client->rect.width), width) |
 400                     update_if_necessary(&(client->rect.height), client->desired_height))
 401                         resize_client(conn, client);
 402
 403                 client->force_reconfigure = false;
 404                 *height += client->desired_height;
 405         }
 406 }
 407
 408 static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
 409         LOG("Rendering internal bar\n");
 410         i3Font *font = load_font(conn, config.font);
 411         i3Screen *screen = r_ws->screen;
 412         enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
 413         uint32_t background_color[2],
 414                  text_color[2],
 415                  border_color[2],
 416                  black;
 417         char label[3];
 418
 419         black = get_colorpixel(conn, "#000000");
 420
 421         background_color[SET_NORMAL] = get_colorpixel(conn, "#222222");
 422         text_color[SET_NORMAL] = get_colorpixel(conn, "#888888");
 423         border_color[SET_NORMAL] = get_colorpixel(conn, "#333333");
 424
 425         background_color[SET_FOCUSED] = get_colorpixel(conn, "#285577");
 426         text_color[SET_FOCUSED] = get_colorpixel(conn, "#ffffff");
 427         border_color[SET_FOCUSED] = get_colorpixel(conn, "#4c7899");
 428
 429         /* Fill the whole bar in black */
 430         xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, black);
 431         xcb_rectangle_t rect = {0, 0, width, height};
 432         xcb_poly_fill_rectangle(conn, screen->bar, screen->bargc, 1, &rect);
 433
 434         /* Set font */
 435         xcb_change_gc_single(conn, screen->bargc, XCB_GC_FONT, font->id);
 436
 437         int drawn = 0;
 438         for (int c = 0; c < 10; c++) {
 439                 if (workspaces[c].screen == screen) {
 440                         int set = (screen->current_workspace == c ? SET_FOCUSED : SET_NORMAL);
 441
 442                         xcb_draw_rect(conn, screen->bar, screen->bargc, border_color[set],
 443                                       drawn * height, 1, height - 2, height - 2);
 444                         xcb_draw_rect(conn, screen->bar, screen->bargc, background_color[set],
 445                                       drawn * height + 1, 2, height - 4, height - 4);
 446
 447                         snprintf(label, sizeof(label), "%d", c+1);
 448                         xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, text_color[set]);
 449                         xcb_change_gc_single(conn, screen->bargc, XCB_GC_BACKGROUND, background_color[set]);
 450                         xcb_image_text_8(conn, strlen(label), screen->bar, screen->bargc, drawn * height + 5 /* X */,
 451                                                         font->height + 1 /* Y = baseline of font */, label);
 452                         drawn++;
 453                 }
 454         }
 455
 456         LOG("done rendering internal\n");
 457 }
 458
 459 /*
 460  * Modifies the event mask of all clients on the given workspace to either ignore or to handle
 461  * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
 462  * under the cursor, thus when the user didn’t enter the window actively at all.
 463  *
 464  */
 465 void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
 466         Client *client;
 467         uint32_t values[1];
 468
 469         LOG("Ignore enter_notify = %d\n", ignore_enter_notify);
 470
 471         FOR_TABLE(workspace)
 472                 CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
 473                         /* Change event mask for the decorations */
 474                         values[0] = FRAME_EVENT_MASK;
 475                         if (ignore_enter_notify)
 476                                 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
 477                         xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
 478
 479                         /* Change event mask for the child itself */
 480                         values[0] = CHILD_EVENT_MASK;
 481                         if (ignore_enter_notify)
 482                                 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
 483                         xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
 484                 }
 485 }
 486
 487 void render_layout(xcb_connection_t *conn) {
 488         i3Screen *screen;
 489         i3Font *font = load_font(conn, config.font);
 490
 491         TAILQ_FOREACH(screen, virtual_screens, screens) {
 492                 /* r_ws (rendering workspace) is just a shortcut to the Workspace being currently rendered */
 493                 Workspace *r_ws = &(workspaces[screen->current_workspace]);
 494
 495                 LOG("Rendering screen %d\n", screen->num);
 496
 497                 int width = r_ws->rect.width;
 498                 int height = r_ws->rect.height;
 499
 500                 /* Reserve space for dock clients */
 501                 Client *client;
 502                 SLIST_FOREACH(client, &(r_ws->dock_clients), dock_clients)
 503                         height -= client->desired_height;
 504
 505                 /* Space for the internal bar */
 506                 height -= (font->height + 6);
 507
 508                 LOG("got %d rows and %d cols\n", r_ws->rows, r_ws->cols);
 509
 510                 int xoffset[r_ws->rows];
 511                 int yoffset[r_ws->cols];
 512                 /* Initialize offsets */
 513                 for (int cols = 0; cols < r_ws->cols; cols++)
 514                         yoffset[cols] = r_ws->rect.y;
 515                 for (int rows = 0; rows < r_ws->rows; rows++)
 516                         xoffset[rows] = r_ws->rect.x;
 517
 518                 dump_table(conn, r_ws);
 519
 520                 ignore_enter_notify_forall(conn, r_ws, true);
 521
 522                 /* Go through the whole table and render what’s necessary */
 523                 FOR_TABLE(r_ws) {
 524                         Container *container = r_ws->table[cols][rows];
 525                         int single_width, single_height;
 526                         LOG("\n");
 527                         LOG("========\n");
 528                         LOG("container has %d colspan, %d rowspan\n",
 529                                         container->colspan, container->rowspan);
 530                         LOG("container at %d, %d\n", xoffset[rows], yoffset[cols]);
 531                         /* Update position of the container */
 532                         container->row = rows;
 533                         container->col = cols;
 534                         container->x = xoffset[rows];
 535                         container->y = yoffset[cols];
 536
 537                         if (container->width_factor == 0)
 538                                 container->width = (width / r_ws->cols);
 539                         else container->width = get_unoccupied_x(r_ws, rows) * container->width_factor;
 540                         single_width = container->width;
 541                         container->width *= container->colspan;
 542
 543                         if (container->height_factor == 0)
 544                                 container->height = (height / r_ws->rows);
 545                         else container->height = get_unoccupied_y(r_ws, cols) * container->height_factor;
 546                         single_height = container->height;
 547                         container->height *= container->rowspan;
 548
 549                         /* Render the container if it is not empty */
 550                         render_container(conn, container);
 551
 552                         xoffset[rows] += single_width;
 553                         yoffset[cols] += single_height;
 554                         LOG("==========\n");
 555                 }
 556
 557                 ignore_enter_notify_forall(conn, r_ws, false);
 558
 559                 render_bars(conn, r_ws, width, &height);
 560                 render_internal_bar(conn, r_ws, width, font->height + 6);
 561         }
 562
 563         xcb_flush(conn);
 564 }