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 #include <math.h>
  19
  20 #include "config.h"
  21 #include "i3.h"
  22 #include "xcb.h"
  23 #include "table.h"
  24 #include "util.h"
  25 #include "xinerama.h"
  26 #include "layout.h"
  27
  28 /*
  29  * Updates *destination with new_value and returns true if it was changed or false
  30  * if it was the same
  31  *
  32  */
  33 static bool update_if_necessary(uint32_t *destination, const uint32_t new_value) {
  34         int old_value = *destination;
  35
  36         return ((*destination = new_value) != old_value);
  37 }
  38
  39 /*
  40  * Gets the unoccupied space (= space which is available for windows which were resized by the user)
  41  * for the given row. This is necessary to render both, customly resized windows and never touched
  42  * windows correctly, meaning that the aspect ratio will be maintained when opening new windows.
  43  *
  44  */
  45 int get_unoccupied_x(Workspace *workspace, int row) {
  46         int unoccupied = workspace->rect.width;
  47         float default_factor = ((float)workspace->rect.width / workspace->cols) / workspace->rect.width;
  48
  49         LOG("get_unoccupied_x(), starting with %d, default_factor = %f\n", unoccupied, default_factor);
  50
  51         for (int cols = 0; cols < workspace->cols;) {
  52                 Container *con = workspace->table[cols][row];
  53                 LOG("width_factor[%d][%d] = %f, colspan = %d\n", cols, row, con->width_factor, con->colspan);
  54                 if (con->width_factor == 0) {
  55                         LOG("- %d * %f * %d = %f\n", workspace->rect.width, default_factor, con->colspan, workspace->rect.width * default_factor * con->colspan);
  56                         unoccupied -= workspace->rect.width * default_factor * con->colspan;
  57                 }
  58                 cols += con->colspan;
  59         }
  60
  61         LOG("unoccupied space: %d\n", unoccupied);
  62         return unoccupied;
  63 }
  64
  65 /* See get_unoccupied_x() */
  66 int get_unoccupied_y(Workspace *workspace, int col) {
  67         int unoccupied = workspace->rect.height;
  68         float default_factor = ((float)workspace->rect.height / workspace->rows) / workspace->rect.height;
  69
  70         LOG("get_unoccupied_y(), starting with %d, default_factor = %f\n", unoccupied, default_factor);
  71
  72         for (int rows = 0; rows < workspace->rows;) {
  73                 Container *con = workspace->table[col][rows];
  74                 LOG("height_factor[%d][%d] = %f, rowspan %d\n", col, rows, con->height_factor, con->rowspan);
  75                 if (con->height_factor == 0)
  76                         unoccupied -= workspace->rect.height * default_factor * con->rowspan;
  77                 rows += con->rowspan;
  78         }
  79
  80         LOG("unoccupied space: %d\n", unoccupied);
  81         return unoccupied;
  82 }
  83
  84 /*
  85  * Redecorates the given client correctly by checking if it’s in a stacking container and
  86  * re-rendering the stack window or just calling decorate_window if it’s not in a stacking
  87  * container.
  88  *
  89  */
  90 void redecorate_window(xcb_connection_t *conn, Client *client) {
  91         if (client->container->mode == MODE_STACK) {
  92                 render_container(conn, client->container);
  93                 /* We clear the frame to generate exposure events, because the color used
  94                    in drawing may be different */
  95                 xcb_clear_area(conn, true, client->frame, 0, 0, client->rect.width, client->rect.height);
  96         } else decorate_window(conn, client, client->frame, client->titlegc, 0);
  97         xcb_flush(conn);
  98 }
  99
 100 /*
 101  * (Re-)draws window decorations for a given Client onto the given drawable/graphic context.
 102  * When in stacking mode, the window decorations are drawn onto an own window.
 103  *
 104  */
 105 void decorate_window(xcb_connection_t *conn, Client *client, xcb_drawable_t drawable, xcb_gcontext_t gc, int offset) {
 106         i3Font *font = load_font(conn, config.font);
 107         int decoration_height = font->height + 2 + 2;
 108         uint32_t background_color,
 109                  text_color,
 110                  border_color;
 111
 112         /* Clients without a container (docks) won’t get decorated */
 113         if (client->container == NULL)
 114                 return;
 115
 116         if (client->container->currently_focused == client) {
 117                 /* Distinguish if the window is currently focused… */
 118                 if (CUR_CELL->currently_focused == client)
 119                         background_color = get_colorpixel(conn, "#285577");
 120                 /* …or if it is the focused window in a not focused container */
 121                 else background_color = get_colorpixel(conn, "#555555");
 122
 123                 text_color = get_colorpixel(conn, "#ffffff");
 124                 border_color = get_colorpixel(conn, "#4c7899");
 125         } else {
 126                 background_color = get_colorpixel(conn, "#222222");
 127                 text_color = get_colorpixel(conn, "#888888");
 128                 border_color = get_colorpixel(conn, "#333333");
 129         }
 130
 131         /* Our plan is the following:
 132            - Draw a rect around the whole client in background_color
 133            - Draw two lines in a lighter color
 134            - Draw the window’s title
 135          */
 136
 137         /* Draw a rectangle in background color around the window */
 138         xcb_change_gc_single(conn, gc, XCB_GC_FOREGROUND, background_color);
 139
 140         /* In stacking mode, we only render the rect for this specific decoration */
 141         if (client->container->mode == MODE_STACK) {
 142                 xcb_rectangle_t rect = {0, offset, client->container->width, offset + decoration_height };
 143                 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
 144         } else {
 145                 /* We need to use the container’s width because it is the more recent value - when
 146                    in stacking mode, clients get reconfigured only on demand (the not active client
 147                    is not reconfigured), so the client’s rect.width would be wrong */
 148                 xcb_rectangle_t rect = {0, 0, client->container->width, client->rect.height};
 149                 xcb_poly_fill_rectangle(conn, drawable, gc, 1, &rect);
 150
 151                 /* Draw the inner background to have a black frame around clients (such as mplayer)
 152                    which cannot be resized exactly in our frames and therefore are centered */
 153                 xcb_change_gc_single(conn, client->titlegc, XCB_GC_FOREGROUND, get_colorpixel(conn, "#000000"));
 154                 xcb_rectangle_t crect = {2, decoration_height,
 155                                          client->rect.width - (2 + 2), client->rect.height - 2 - decoration_height};
 156                 xcb_poly_fill_rectangle(conn, client->frame, client->titlegc, 1, &crect);
 157         }
 158
 159         /* Draw the lines */
 160         xcb_draw_line(conn, drawable, gc, border_color, 2, offset, client->rect.width, offset);
 161         xcb_draw_line(conn, drawable, gc, border_color, 2, offset + font->height + 3,
 162                       2 + client->rect.width, offset + font->height + 3);
 163
 164         /* If the client has a title, we draw it */
 165         if (client->name != NULL) {
 166                 /* Draw the font */
 167                 uint32_t mask = XCB_GC_FOREGROUND | XCB_GC_BACKGROUND | XCB_GC_FONT;
 168                 uint32_t values[] = { text_color, background_color, font->id };
 169                 xcb_change_gc(conn, gc, mask, values);
 170
 171                 /* name_len == -1 means this is a legacy application which does not specify _NET_WM_NAME,
 172                    and we don’t handle the old window name (COMPOUND_TEXT) but only _NET_WM_NAME, which
 173                    is UTF-8 */
 174                 if (client->name_len == -1)
 175                         xcb_image_text_8(conn, strlen(client->name), drawable, gc, 3 /* X */,
 176                                          offset + font->height /* Y = baseline of font */, client->name);
 177                 else
 178                         xcb_image_text_16(conn, client->name_len, drawable, gc, 3 /* X */,
 179                                           offset + font->height /* Y = baseline of font */, (xcb_char2b_t*)client->name);
 180         }
 181 }
 182
 183 /*
 184  * Pushes the client’s x and y coordinates to X11
 185  *
 186  */
 187 static void reposition_client(xcb_connection_t *conn, Client *client) {
 188         LOG("frame 0x%08x needs to be pushed to %dx%d\n", client->frame, client->rect.x, client->rect.y);
 189         /* Note: We can use a pointer to client->x like an array of uint32_ts
 190            because it is followed by client->y by definition */
 191         xcb_configure_window(conn, client->frame, XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y, &(client->rect.x));
 192 }
 193
 194 /*
 195  * Pushes the client’s width/height to X11 and resizes the child window
 196  *
 197  */
 198 static void resize_client(xcb_connection_t *conn, Client *client) {
 199         i3Font *font = load_font(conn, config.font);
 200
 201         LOG("resizing client 0x%08x to %d x %d\n", client->frame, client->rect.width, client->rect.height);
 202         xcb_configure_window(conn, client->frame,
 203                         XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT,
 204                         &(client->rect.width));
 205
 206         /* Adjust the position of the child inside its frame.
 207          * The coordinates of the child are relative to its frame, we
 208          * add a border of 2 pixel to each value */
 209         uint32_t mask = XCB_CONFIG_WINDOW_X |
 210                         XCB_CONFIG_WINDOW_Y |
 211                         XCB_CONFIG_WINDOW_WIDTH |
 212                         XCB_CONFIG_WINDOW_HEIGHT;
 213         Rect *rect = &(client->child_rect);
 214         switch ((client->container != NULL ? client->container->mode : MODE_DEFAULT)) {
 215                 case MODE_STACK:
 216                         rect->x = 2;
 217                         rect->y = 0;
 218                         rect->width = client->rect.width - (2 + 2);
 219                         rect->height = client->rect.height - 2;
 220                         break;
 221                 default:
 222                         if (client->titlebar_position == TITLEBAR_OFF) {
 223                                 rect->x = 0;
 224                                 rect->y = 0;
 225                                 rect->width = client->rect.width;
 226                                 rect->height = client->rect.height;
 227                         } else {
 228                                 rect->x = 2;
 229                                 rect->y = font->height + 2 + 2;
 230                                 rect->width = client->rect.width - (2 + 2);
 231                                 rect->height = client->rect.height - ((font->height + 2 + 2) + 2);
 232                         }
 233                         break;
 234         }
 235
 236         /* Obey the ratio, if any */
 237         if (client->proportional_height != 0 &&
 238             client->proportional_width != 0) {
 239                 LOG("proportional height = %d, width = %d\n", client->proportional_height, client->proportional_width);
 240                 double new_height = rect->height + 1;
 241                 int new_width = rect->width;
 242
 243                 while (new_height > rect->height) {
 244                         new_height = ((double)client->proportional_height / client->proportional_width) * new_width;
 245
 246                         if (new_height > rect->height)
 247                                 new_width--;
 248                 }
 249                 /* Center the window */
 250                 rect->y += ceil(rect->height / 2) - floor(new_height / 2);
 251                 rect->x += ceil(rect->width / 2) - floor(new_width / 2);
 252
 253                 rect->height = new_height;
 254                 rect->width = new_width;
 255                 LOG("new_height = %f, new_width = %d\n", new_height, new_width);
 256         }
 257
 258         LOG("child will be at %dx%d with size %dx%d\n", rect->x, rect->y, rect->width, rect->height);
 259
 260         xcb_configure_window(conn, client->child, mask, &(rect->x));
 261
 262         /* After configuring a child window we need to fake a configure_notify_event (see ICCCM 4.2.3).
 263          * This is necessary to inform the client of its position relative to the root window,
 264          * not relative to its frame (as done in the configure_notify_event by the x server). */
 265         fake_absolute_configure_notify(conn, client);
 266 }
 267
 268 /*
 269  * Renders the given container. Is called by render_layout() or individually (for example
 270  * when focus changes in a stacking container)
 271  *
 272  */
 273 void render_container(xcb_connection_t *conn, Container *container) {
 274         Client *client;
 275         int num_clients = 0, current_client = 0;
 276
 277         if (container->currently_focused == NULL)
 278                 return;
 279
 280         CIRCLEQ_FOREACH(client, &(container->clients), clients)
 281                 num_clients++;
 282
 283         if (container->mode == MODE_DEFAULT) {
 284                 LOG("got %d clients in this default container.\n", num_clients);
 285                 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
 286                         /* If the client is in fullscreen mode, it does not get reconfigured */
 287                         if (container->workspace->fullscreen_client == client) {
 288                                 current_client++;
 289                                 continue;
 290                         }
 291
 292                         /* Check if we changed client->x or client->y by updating it.
 293                          * Note the bitwise OR instead of logical OR to force evaluation of both statements */
 294                         if (client->force_reconfigure |
 295                             update_if_necessary(&(client->rect.x), container->x) |
 296                             update_if_necessary(&(client->rect.y), container->y +
 297                                         (container->height / num_clients) * current_client))
 298                                 reposition_client(conn, client);
 299
 300                         /* TODO: vertical default layout */
 301                         if (client->force_reconfigure |
 302                             update_if_necessary(&(client->rect.width), container->width) |
 303                             update_if_necessary(&(client->rect.height), container->height / num_clients))
 304                                 resize_client(conn, client);
 305
 306                         client->force_reconfigure = false;
 307
 308                         current_client++;
 309                 }
 310         } else {
 311                 i3Font *font = load_font(conn, config.font);
 312                 int decoration_height = (font->height + 2 + 2);
 313                 struct Stack_Window *stack_win = &(container->stack_win);
 314
 315                 /* Check if we need to remap our stack title window, it gets unmapped when the container
 316                    is empty in src/handlers.c:unmap_notify() */
 317                 if (stack_win->rect.height == 0)
 318                         xcb_map_window(conn, stack_win->window);
 319
 320                 /* Check if we need to reconfigure our stack title window */
 321                 if (update_if_necessary(&(stack_win->rect.x), container->x) |
 322                     update_if_necessary(&(stack_win->rect.y), container->y) |
 323                     update_if_necessary(&(stack_win->rect.width), container->width) |
 324                     update_if_necessary(&(stack_win->rect.height), decoration_height * num_clients)) {
 325
 326                         /* Configuration can happen in two slightly different ways:
 327
 328                            If there is no client in fullscreen mode, 5 parameters are passed
 329                            (x, y, width, height, stack mode is set to above which means top-most position).
 330
 331                            If there is a fullscreen client, the fourth parameter is set to to the
 332                            fullscreen window as sibling and the stack mode is set to below, which means
 333                            that the stack_window will be placed just below the sibling, that is, under
 334                            the fullscreen window.
 335                          */
 336                         uint32_t values[] = { stack_win->rect.x, stack_win->rect.y,
 337                                               stack_win->rect.width, stack_win->rect.height,
 338                                               XCB_STACK_MODE_ABOVE, XCB_STACK_MODE_BELOW };
 339                         uint32_t mask = XCB_CONFIG_WINDOW_X | XCB_CONFIG_WINDOW_Y |
 340                                         XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT |
 341                                         XCB_CONFIG_WINDOW_STACK_MODE;
 342
 343                         /* If there is no fullscreen client, we raise the stack window */
 344                         if (container->workspace->fullscreen_client != NULL) {
 345                                 mask |= XCB_CONFIG_WINDOW_SIBLING;
 346                                 values[4] = container->workspace->fullscreen_client->frame;
 347                         }
 348
 349                         xcb_configure_window(conn, stack_win->window, mask, values);
 350                 }
 351
 352                 /* Reconfigure the currently focused client, if necessary. It is the only visible one */
 353                 client = container->currently_focused;
 354
 355                 /* Render the decorations of all clients */
 356                 CIRCLEQ_FOREACH(client, &(container->clients), clients) {
 357                         /* If the client is in fullscreen mode, it does not get reconfigured */
 358                         if (container->workspace->fullscreen_client == client) {
 359                                 current_client++;
 360                                 continue;
 361                         }
 362
 363                         /* Check if we changed client->x or client->y by updating it.
 364                          * Note the bitwise OR instead of logical OR to force evaluation of both statements */
 365                         if (client->force_reconfigure |
 366                             update_if_necessary(&(client->rect.x), container->x) |
 367                             update_if_necessary(&(client->rect.y), container->y + (decoration_height * num_clients)))
 368                                 reposition_client(conn, client);
 369
 370                         if (client->force_reconfigure |
 371                             update_if_necessary(&(client->rect.width), container->width) |
 372                             update_if_necessary(&(client->rect.height), container->height - (decoration_height * num_clients)))
 373                                 resize_client(conn, client);
 374
 375                         client->force_reconfigure = false;
 376
 377                         decorate_window(conn, client, stack_win->window, stack_win->gc,
 378                                         current_client++ * decoration_height);
 379                 }
 380         }
 381 }
 382
 383 static void render_bars(xcb_connection_t *conn, Workspace *r_ws, int width, int *height) {
 384         Client *client;
 385         SLIST_FOREACH(client, &(r_ws->screen->dock_clients), dock_clients) {
 386                 LOG("client is at %d, should be at %d\n", client->rect.y, *height);
 387                 if (client->force_reconfigure |
 388                     update_if_necessary(&(client->rect.x), 0) |
 389                     update_if_necessary(&(client->rect.y), *height))
 390                         reposition_client(conn, client);
 391
 392                 if (client->force_reconfigure |
 393                     update_if_necessary(&(client->rect.width), width) |
 394                     update_if_necessary(&(client->rect.height), client->desired_height))
 395                         resize_client(conn, client);
 396
 397                 client->force_reconfigure = false;
 398                 LOG("desired_height = %d\n", client->desired_height);
 399                 *height += client->desired_height;
 400         }
 401 }
 402
 403 static void render_internal_bar(xcb_connection_t *conn, Workspace *r_ws, int width, int height) {
 404         LOG("Rendering internal bar\n");
 405         i3Font *font = load_font(conn, config.font);
 406         i3Screen *screen = r_ws->screen;
 407         enum { SET_NORMAL = 0, SET_FOCUSED = 1 };
 408         uint32_t background_color[2],
 409                  text_color[2],
 410                  border_color[2],
 411                  black;
 412         char label[3];
 413
 414         black = get_colorpixel(conn, "#000000");
 415
 416         background_color[SET_NORMAL] = get_colorpixel(conn, "#222222");
 417         text_color[SET_NORMAL] = get_colorpixel(conn, "#888888");
 418         border_color[SET_NORMAL] = get_colorpixel(conn, "#333333");
 419
 420         background_color[SET_FOCUSED] = get_colorpixel(conn, "#285577");
 421         text_color[SET_FOCUSED] = get_colorpixel(conn, "#ffffff");
 422         border_color[SET_FOCUSED] = get_colorpixel(conn, "#4c7899");
 423
 424         /* Fill the whole bar in black */
 425         xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, black);
 426         xcb_rectangle_t rect = {0, 0, width, height};
 427         xcb_poly_fill_rectangle(conn, screen->bar, screen->bargc, 1, &rect);
 428
 429         /* Set font */
 430         xcb_change_gc_single(conn, screen->bargc, XCB_GC_FONT, font->id);
 431
 432         int drawn = 0;
 433         for (int c = 0; c < 10; c++) {
 434                 if (workspaces[c].screen != screen)
 435                         continue;
 436
 437                 int set = (screen->current_workspace == c ? SET_FOCUSED : SET_NORMAL);
 438
 439                 xcb_draw_rect(conn, screen->bar, screen->bargc, border_color[set],
 440                               drawn * height, 1, height - 2, height - 2);
 441                 xcb_draw_rect(conn, screen->bar, screen->bargc, background_color[set],
 442                               drawn * height + 1, 2, height - 4, height - 4);
 443
 444                 snprintf(label, sizeof(label), "%d", c+1);
 445                 xcb_change_gc_single(conn, screen->bargc, XCB_GC_FOREGROUND, text_color[set]);
 446                 xcb_change_gc_single(conn, screen->bargc, XCB_GC_BACKGROUND, background_color[set]);
 447                 xcb_image_text_8(conn, strlen(label), screen->bar, screen->bargc, drawn * height + 5 /* X */,
 448                                                 font->height + 1 /* Y = baseline of font */, label);
 449                 drawn++;
 450         }
 451
 452         LOG("done rendering internal\n");
 453 }
 454
 455 /*
 456  * Modifies the event mask of all clients on the given workspace to either ignore or to handle
 457  * enter notifies. It is handy to ignore notifies because they will be sent when a window is mapped
 458  * under the cursor, thus when the user didn’t enter the window actively at all.
 459  *
 460  */
 461 void ignore_enter_notify_forall(xcb_connection_t *conn, Workspace *workspace, bool ignore_enter_notify) {
 462         Client *client;
 463         uint32_t values[1];
 464
 465         LOG("Ignore enter_notify = %d\n", ignore_enter_notify);
 466
 467         FOR_TABLE(workspace)
 468                 CIRCLEQ_FOREACH(client, &(workspace->table[cols][rows]->clients), clients) {
 469                         /* Change event mask for the decorations */
 470                         values[0] = FRAME_EVENT_MASK;
 471                         if (ignore_enter_notify)
 472                                 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
 473                         xcb_change_window_attributes(conn, client->frame, XCB_CW_EVENT_MASK, values);
 474
 475                         /* Change event mask for the child itself */
 476                         values[0] = CHILD_EVENT_MASK;
 477                         if (ignore_enter_notify)
 478                                 values[0] &= ~(XCB_EVENT_MASK_ENTER_WINDOW);
 479                         xcb_change_window_attributes(conn, client->child, XCB_CW_EVENT_MASK, values);
 480                 }
 481 }
 482
 483 /*
 484  * Renders the given workspace on the given screen
 485  *
 486  */
 487 void render_workspace(xcb_connection_t *conn, i3Screen *screen, Workspace *r_ws) {
 488         i3Font *font = load_font(conn, config.font);
 489         int width = r_ws->rect.width;
 490         int height = r_ws->rect.height;
 491
 492         /* Reserve space for dock clients */
 493         Client *client;
 494         SLIST_FOREACH(client, &(screen->dock_clients), dock_clients)
 495                 height -= client->desired_height;
 496
 497         /* Space for the internal bar */
 498         height -= (font->height + 6);
 499
 500         LOG("got %d rows and %d cols\n", r_ws->rows, r_ws->cols);
 501
 502         int xoffset[r_ws->rows];
 503         int yoffset[r_ws->cols];
 504         /* Initialize offsets */
 505         for (int cols = 0; cols < r_ws->cols; cols++)
 506                 yoffset[cols] = r_ws->rect.y;
 507         for (int rows = 0; rows < r_ws->rows; rows++)
 508                 xoffset[rows] = r_ws->rect.x;
 509
 510         dump_table(conn, r_ws);
 511
 512         ignore_enter_notify_forall(conn, r_ws, true);
 513
 514         /* Go through the whole table and render what’s necessary */
 515         FOR_TABLE(r_ws) {
 516                 Container *container = r_ws->table[cols][rows];
 517                 int single_width, single_height;
 518                 LOG("\n");
 519                 LOG("========\n");
 520                 LOG("container has %d colspan, %d rowspan\n",
 521                                 container->colspan, container->rowspan);
 522                 LOG("container at %d, %d\n", xoffset[rows], yoffset[cols]);
 523                 /* Update position of the container */
 524                 container->row = rows;
 525                 container->col = cols;
 526                 container->x = xoffset[rows];
 527                 container->y = yoffset[cols];
 528
 529                 if (container->width_factor == 0)
 530                         container->width = (width / r_ws->cols);
 531                 else container->width = get_unoccupied_x(r_ws, rows) * container->width_factor;
 532                 single_width = container->width;
 533                 container->width *= container->colspan;
 534
 535                 if (container->height_factor == 0)
 536                         container->height = (height / r_ws->rows);
 537                 else container->height = get_unoccupied_y(r_ws, cols) * container->height_factor;
 538                 single_height = container->height;
 539                 container->height *= container->rowspan;
 540
 541                 /* Render the container if it is not empty */
 542                 render_container(conn, container);
 543
 544                 xoffset[rows] += single_width;
 545                 yoffset[cols] += single_height;
 546                 LOG("==========\n");
 547         }
 548
 549         ignore_enter_notify_forall(conn, r_ws, false);
 550
 551         render_bars(conn, r_ws, width, &height);
 552         render_internal_bar(conn, r_ws, width, font->height + 6);
 553 }
 554
 555 /*
 556  * Renders the whole layout, that is: Go through each screen, each workspace, each container
 557  * and render each client. This also renders the bars.
 558  *
 559  * If you don’t need to render *everything*, you should call render_container on the container
 560  * you want to refresh.
 561  *
 562  */
 563 void render_layout(xcb_connection_t *conn) {
 564         i3Screen *screen;
 565
 566         TAILQ_FOREACH(screen, virtual_screens, screens) {
 567                 LOG("Rendering screen %d\n", screen->num);
 568                 render_workspace(conn, screen, &(workspaces[screen->current_workspace]));
 569         }
 570
 571         xcb_flush(conn);
 572 }