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   1 /*
   2  * i3bar - an xcb-based status- and ws-bar for i3
   3  *
   4  * © 2010 Axel Wagner and contributors
   5  *
   6  * See file LICNSE for license information
   7  *
   8  * src/xcb.c: Communicating with X
   9  *
  10  */
  11 #include <xcb/xcb.h>
  12 #include <xcb/xproto.h>
  13 #include <xcb/xcb_event.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <unistd.h>
  17 #include <fcntl.h>
  18 #include <string.h>
  19 #include <i3/ipc.h>
  20 #include <ev.h>
  21
  22 #include <X11/Xlib.h>
  23 #include <X11/XKBlib.h>
  24 #include <X11/extensions/XKB.h>
  25
  26 #include "common.h"
  27
  28 /* We save the Atoms in an easy to access array, indexed by an enum */
  29 #define NUM_ATOMS 3
  30
  31 enum {
  32     #define ATOM_DO(name) name,
  33     #include "xcb_atoms.def"
  34 };
  35
  36 xcb_intern_atom_cookie_t atom_cookies[NUM_ATOMS];
  37 xcb_atom_t               atoms[NUM_ATOMS];
  38
  39 /* Variables, that are the same for all functions at all times */
  40 xcb_connection_t *xcb_connection;
  41 xcb_screen_t     *xcb_screens;
  42 xcb_window_t     xcb_root;
  43 xcb_font_t       xcb_font;
  44
  45 Display          *xkb_dpy;
  46 int              xkb_event_base;
  47 int              mod_pressed;
  48
  49 /* Event-Watchers, to interact with the user */
  50 ev_prepare *xcb_prep;
  51 ev_check   *xcb_chk;
  52 ev_io      *xcb_io;
  53 ev_io      *xkb_io;
  54
  55 /*
  56  * Converts a colorstring to a colorpixel as expected from xcb_change_gc.
  57  * s is assumed to be in the format "rrggbb"
  58  *
  59  */
  60 uint32_t get_colorpixel(const char *s) {
  61     char strings[3][3] = { { s[0], s[1], '\0'} ,
  62                            { s[2], s[3], '\0'} ,
  63                            { s[4], s[5], '\0'} };
  64     uint8_t r = strtol(strings[0], NULL, 16);
  65     uint8_t g = strtol(strings[1], NULL, 16);
  66     uint8_t b = strtol(strings[2], NULL, 16);
  67     return (r << 16 | g << 8 | b);
  68 }
  69
  70 /*
  71  * Hides all bars (unmaps them)
  72  *
  73  */
  74 void hide_bars() {
  75     if (!config.hide_on_modifier) {
  76         return;
  77     }
  78
  79     i3_output *walk;
  80     SLIST_FOREACH(walk, outputs, slist) {
  81         xcb_unmap_window(xcb_connection, walk->bar);
  82     }
  83     stop_child();
  84 }
  85
  86 /*
  87  * Unhides all bars (maps them)
  88  *
  89  */
  90 void unhide_bars() {
  91     if (!config.hide_on_modifier) {
  92         return;
  93     }
  94
  95     i3_output           *walk;
  96     xcb_void_cookie_t   cookie;
  97     xcb_generic_error_t *err;
  98     uint32_t            mask;
  99     uint32_t            values[5];
 100
 101     cont_child();
 102
 103     SLIST_FOREACH(walk, outputs, slist) {
 104         if (walk->bar == XCB_NONE) {
 105             continue;
 106         }
 107         mask = XCB_CONFIG_WINDOW_X |
 108                XCB_CONFIG_WINDOW_Y |
 109                XCB_CONFIG_WINDOW_WIDTH |
 110                XCB_CONFIG_WINDOW_HEIGHT |
 111                XCB_CONFIG_WINDOW_STACK_MODE;
 112         values[0] = walk->rect.x;
 113         values[1] = walk->rect.y + walk->rect.h - font_height - 6;
 114         values[2] = walk->rect.w;
 115         values[3] = font_height + 6;
 116         values[4] = XCB_STACK_MODE_ABOVE;
 117         printf("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
 118         cookie = xcb_configure_window_checked(xcb_connection,
 119                                               walk->bar,
 120                                               mask,
 121                                               values);
 122
 123         if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 124             printf("ERROR: Could not reconfigure window. XCB-errorcode: %d\n", err->error_code);
 125             exit(EXIT_FAILURE);
 126         }
 127         xcb_map_window(xcb_connection, walk->bar);
 128     }
 129 }
 130
 131 /*
 132  * Handle a button-press-event (i.c. a mouse click on one of our bars).
 133  * We determine, wether the click occured on a ws-button or if the scroll-
 134  * wheel was used and change the workspace appropriately
 135  *
 136  */
 137 void handle_button(xcb_button_press_event_t *event) {
 138     i3_ws *cur_ws;
 139
 140     /* Determine, which bar was clicked */
 141     i3_output *walk;
 142     xcb_window_t bar = event->event;
 143     SLIST_FOREACH(walk, outputs, slist) {
 144         if (walk->bar == bar) {
 145             break;
 146         }
 147     }
 148
 149     if (walk == NULL) {
 150         printf("Unknown Bar klicked!\n");
 151         return;
 152     }
 153
 154     /* TODO: Move this to exern get_ws_for_output() */
 155     TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
 156         if (cur_ws->visible) {
 157             break;
 158         }
 159     }
 160
 161     if (cur_ws == NULL) {
 162         printf("No Workspace active?\n");
 163         return;
 164     }
 165
 166     int32_t x = event->event_x;
 167
 168     printf("Got Button %d\n", event->detail);
 169
 170     switch (event->detail) {
 171         case 1:
 172             /* Left Mousbutton. We determine, which button was clicked
 173              * and set cur_ws accordingly */
 174             TAILQ_FOREACH(cur_ws, walk->workspaces, tailq) {
 175                 printf("x = %d\n", x);
 176                 if (x < cur_ws->name_width + 10) {
 177                     break;
 178                 }
 179                 x -= cur_ws->name_width + 10;
 180             }
 181             if (cur_ws == NULL) {
 182                 return;
 183             }
 184             break;
 185         case 4:
 186             /* Mouse wheel down. We select the next ws */
 187             if (cur_ws == TAILQ_FIRST(walk->workspaces)) {
 188                 cur_ws = TAILQ_LAST(walk->workspaces, ws_head);
 189             } else {
 190                 cur_ws = TAILQ_PREV(cur_ws, ws_head, tailq);
 191             }
 192             break;
 193         case 5:
 194             /* Mouse wheel up. We select the previos ws */
 195             if (cur_ws == TAILQ_LAST(walk->workspaces, ws_head)) {
 196                 cur_ws = TAILQ_FIRST(walk->workspaces);
 197             } else {
 198                 cur_ws = TAILQ_NEXT(cur_ws, tailq);
 199             }
 200             break;
 201     }
 202
 203     char buffer[50];
 204     snprintf(buffer, 50, "%d", cur_ws->num);
 205     i3_send_msg(I3_IPC_MESSAGE_TYPE_COMMAND, buffer);
 206 }
 207
 208 /*
 209  * This function is called immediately bevor the main loop locks. We flush xcb
 210  * then (and only then)
 211  *
 212  */
 213 void xcb_prep_cb(struct ev_loop *loop, ev_prepare *watcher, int revenst) {
 214     xcb_flush(xcb_connection);
 215 }
 216
 217 /*
 218  * This function is called immediately after the main loop locks, so when one
 219  * of the watchers registered an event.
 220  * We check wether an X-Event arrived and handle it.
 221  *
 222  */
 223 void xcb_chk_cb(struct ev_loop *loop, ev_check *watcher, int revents) {
 224     xcb_generic_event_t *event;
 225     while ((event = xcb_poll_for_event(xcb_connection)) == NULL) {
 226         return;
 227     }
 228
 229     switch (event->response_type & ~0x80) {
 230         case XCB_EXPOSE:
 231             /* Expose-events happen, when the window needs to be redrawn */
 232             draw_bars();
 233             break;
 234         case XCB_BUTTON_PRESS:
 235             /* Button-press-events are mouse-buttons clicked on one of our bars */
 236             handle_button((xcb_button_press_event_t*) event);
 237             break;
 238     }
 239     FREE(event);
 240 }
 241
 242 /*
 243  * Dummy Callback. We only need this, so that the Prepare- and Check-Watchers
 244  * are triggered
 245  *
 246  */
 247 void xcb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
 248 }
 249
 250 /*
 251  * We need to bind to the modifier per XKB. Sadly, XCB does not implement this
 252  *
 253  */
 254 void xkb_io_cb(struct ev_loop *loop, ev_io *watcher, int revents) {
 255     XkbEvent ev;
 256     int modstate;
 257
 258     printf("Got XKB-Event!\n");
 259
 260     while (XPending(xkb_dpy)) {
 261         XNextEvent(xkb_dpy, (XEvent*)&ev);
 262
 263         if (ev.type != xkb_event_base) {
 264             printf("ERROR: No Xkb-Event!\n");
 265             continue;
 266         }
 267
 268         if (ev.any.xkb_type != XkbStateNotify) {
 269             printf("ERROR: No State Notify!\n");
 270             continue;
 271         }
 272
 273         unsigned int mods = ev.state.mods;
 274         modstate = mods & Mod4Mask;
 275     }
 276
 277     if (modstate != mod_pressed) {
 278         if (modstate == 0) {
 279             printf("Mod4 got released!\n");
 280             hide_bars();
 281         } else {
 282             printf("Mod4 got pressed!\n");
 283             unhide_bars();
 284         }
 285         mod_pressed = modstate;
 286     }
 287 }
 288
 289 /*
 290  * Calculate the rendered width of a string with the configured font.
 291  * The string has to be encoded in ucs2 and glyph_len has to be the length
 292  * of the string (in width)
 293  *
 294  */
 295 int get_string_width(xcb_char2b_t *string, int glyph_len) {
 296     xcb_query_text_extents_cookie_t cookie;
 297     xcb_query_text_extents_reply_t *reply;
 298     xcb_generic_error_t *error = NULL;
 299     int width;
 300
 301     cookie = xcb_query_text_extents(xcb_connection, xcb_font, glyph_len, string);
 302     reply = xcb_query_text_extents_reply(xcb_connection, cookie, &error);
 303     if (error != NULL) {
 304         printf("ERROR: Could not get text extents! XCB-errorcode: %d\n", error->error_code);
 305         exit(EXIT_FAILURE);
 306     }
 307
 308     width = reply->overall_width;
 309     free(reply);
 310     return width;
 311 }
 312
 313 /*
 314  * Initialize xcb and use the specified fontname for text-rendering
 315  *
 316  */
 317 void init_xcb(char *fontname) {
 318     /* FIXME: xcb_connect leaks Memory */
 319     xcb_connection = xcb_connect(NULL, NULL);
 320     if (xcb_connection_has_error(xcb_connection)) {
 321         printf("Cannot open display\n");
 322         exit(EXIT_FAILURE);
 323     }
 324     printf("Connected to xcb\n");
 325
 326     /* We have to request the atoms we need */
 327     #define ATOM_DO(name) atom_cookies[name] = xcb_intern_atom(xcb_connection, 0, strlen(#name), #name);
 328     #include "xcb_atoms.def"
 329
 330     xcb_screens = xcb_setup_roots_iterator(xcb_get_setup(xcb_connection)).data;
 331     xcb_root = xcb_screens->root;
 332
 333     /* We load and allocate the font */
 334     xcb_font = xcb_generate_id(xcb_connection);
 335     xcb_void_cookie_t open_font_cookie;
 336     open_font_cookie = xcb_open_font_checked(xcb_connection,
 337                                              xcb_font,
 338                                              strlen(fontname),
 339                                              fontname);
 340
 341     xcb_generic_error_t *err = xcb_request_check(xcb_connection,
 342                                                  open_font_cookie);
 343
 344     if (err != NULL) {
 345         printf("ERROR: Could not open font! XCB-Error-Code: %d\n", err->error_code);
 346         exit(EXIT_FAILURE);
 347     }
 348
 349     /* We also need the fontheight to configure our bars accordingly */
 350     xcb_list_fonts_with_info_cookie_t font_info_cookie;
 351     font_info_cookie = xcb_list_fonts_with_info(xcb_connection,
 352                                                 1,
 353                                                 strlen(fontname),
 354                                                 fontname);
 355
 356     if (config.hide_on_modifier) {
 357         int xkb_major, xkb_minor, xkb_errbase, xkb_err;
 358         xkb_major = XkbMajorVersion;
 359         xkb_minor = XkbMinorVersion;
 360
 361         xkb_dpy = XkbOpenDisplay(":0",
 362                                  &xkb_event_base,
 363                                  &xkb_errbase,
 364                                  &xkb_major,
 365                                  &xkb_minor,
 366                                  &xkb_err);
 367
 368         if (xkb_dpy == NULL) {
 369             printf("ERROR: No XKB!\n");
 370             exit(EXIT_FAILURE);
 371         }
 372
 373         if (fcntl(ConnectionNumber(xkb_dpy), F_SETFD, FD_CLOEXEC) == -1) {
 374             fprintf(stderr, "Could not set FD_CLOEXEC on xkbdpy\n");
 375             exit(EXIT_FAILURE);
 376         }
 377
 378         int i1;
 379         if (!XkbQueryExtension(xkb_dpy, &i1, &xkb_event_base, &xkb_errbase, &xkb_major, &xkb_minor)) {
 380             printf("ERROR: XKB not supported by X-server!\n");
 381             exit(EXIT_FAILURE);
 382         }
 383
 384         if (!XkbSelectEvents(xkb_dpy, XkbUseCoreKbd, XkbStateNotifyMask, XkbStateNotifyMask)) {
 385             printf("Could not grab Key!\n");
 386             exit(EXIT_FAILURE);
 387         }
 388
 389         xkb_io = malloc(sizeof(ev_io));
 390         ev_io_init(xkb_io, &xkb_io_cb, ConnectionNumber(xkb_dpy), EV_READ);
 391         ev_io_start(main_loop, xkb_io);
 392         XFlush(xkb_dpy);
 393     }
 394
 395     /* The varios Watchers to communicate with xcb */
 396     xcb_io = malloc(sizeof(ev_io));
 397     xcb_prep = malloc(sizeof(ev_prepare));
 398     xcb_chk = malloc(sizeof(ev_check));
 399
 400     ev_io_init(xcb_io, &xcb_io_cb, xcb_get_file_descriptor(xcb_connection), EV_READ);
 401     ev_prepare_init(xcb_prep, &xcb_prep_cb);
 402     ev_check_init(xcb_chk, &xcb_chk_cb);
 403
 404     ev_io_start(main_loop, xcb_io);
 405     ev_prepare_start(main_loop, xcb_prep);
 406     ev_check_start(main_loop, xcb_chk);
 407
 408     /* Now we get the atoms and save them in a nice data-structure */
 409     get_atoms();
 410
 411     /* Now we calculate the font-height */
 412     xcb_list_fonts_with_info_reply_t *reply;
 413     reply = xcb_list_fonts_with_info_reply(xcb_connection,
 414                                            font_info_cookie,
 415                                            NULL);
 416     font_height = reply->font_ascent + reply->font_descent;
 417     FREE(reply);
 418
 419     printf("Calculated Font-height: %d\n", font_height);
 420 }
 421
 422 /*
 423  * Cleanup the xcb-stuff.
 424  * Called once, before the program terminates.
 425  *
 426  */
 427 void clean_xcb() {
 428     i3_output *walk;
 429     SLIST_FOREACH(walk, outputs, slist) {
 430         destroy_window(walk);
 431     }
 432     FREE_SLIST(outputs, i3_output);
 433
 434     xcb_disconnect(xcb_connection);
 435
 436     ev_check_stop(main_loop, xcb_chk);
 437     ev_prepare_stop(main_loop, xcb_prep);
 438     ev_io_stop(main_loop, xcb_io);
 439
 440     FREE(xcb_chk);
 441     FREE(xcb_prep);
 442     FREE(xcb_io);
 443 }
 444
 445 /*
 446  * Get the earlier requested atoms and save them in the prepared data-structure
 447  *
 448  */
 449 void get_atoms() {
 450     xcb_intern_atom_reply_t *reply;
 451     #define ATOM_DO(name) reply = xcb_intern_atom_reply(xcb_connection, atom_cookies[name], NULL); \
 452         if (reply == NULL) { \
 453             printf("ERROR: Could not get atom %s\n", #name); \
 454             exit(EXIT_FAILURE); \
 455         } \
 456         atoms[name] = reply->atom; \
 457         free(reply);
 458
 459     #include "xcb_atoms.def"
 460     printf("Got Atoms\n");
 461 }
 462
 463 /*
 464  * Destroy the bar of the specified output
 465  *
 466  */
 467 void destroy_window(i3_output *output) {
 468     if (output == NULL) {
 469         return;
 470     }
 471     if (output->bar == XCB_NONE) {
 472         return;
 473     }
 474     xcb_destroy_window(xcb_connection, output->bar);
 475     output->bar = XCB_NONE;
 476 }
 477
 478 /*
 479  * Reconfigure all bars and create new for newly activated outputs
 480  *
 481  */
 482 void reconfig_windows() {
 483     uint32_t mask;
 484     uint32_t values[5];
 485
 486     xcb_void_cookie_t   cookie;
 487     xcb_generic_error_t *err;
 488
 489     i3_output *walk;
 490     SLIST_FOREACH(walk, outputs, slist) {
 491         if (!walk->active) {
 492             /* If an output is not active, we destroy it's bar */
 493             /* FIXME: Maybe we rather want to unmap? */
 494             printf("Destroying window for output %s\n", walk->name);
 495             destroy_window(walk);
 496             continue;
 497         }
 498         if (walk->bar == XCB_NONE) {
 499             printf("Creating Window for output %s\n", walk->name);
 500
 501             walk->bar = xcb_generate_id(xcb_connection);
 502             mask = XCB_CW_BACK_PIXEL | XCB_CW_OVERRIDE_REDIRECT | XCB_CW_EVENT_MASK;
 503             /* Black background */
 504             values[0] = xcb_screens->black_pixel;
 505             /* If hide_on_modifier is set, i3 is not supposed to manage our bar-windows */
 506             values[1] = config.hide_on_modifier;
 507             /* The events we want to receive */
 508             values[2] = XCB_EVENT_MASK_EXPOSURE |
 509                         XCB_EVENT_MASK_BUTTON_PRESS;
 510             cookie = xcb_create_window_checked(xcb_connection,
 511                                                xcb_screens->root_depth,
 512                                                walk->bar,
 513                                                xcb_root,
 514                                                walk->rect.x, walk->rect.y,
 515                                                walk->rect.w, font_height + 6,
 516                                                1,
 517                                                XCB_WINDOW_CLASS_INPUT_OUTPUT,
 518                                                xcb_screens->root_visual,
 519                                                mask,
 520                                                values);
 521             if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 522                 printf("ERROR: Could not create Window. XCB-errorcode: %d\n", err->error_code);
 523                 exit(EXIT_FAILURE);
 524             }
 525
 526             /* We want dock-windows (for now) */
 527             xcb_change_property(xcb_connection,
 528                                 XCB_PROP_MODE_REPLACE,
 529                                 walk->bar,
 530                                 atoms[_NET_WM_WINDOW_TYPE],
 531                                 atoms[ATOM],
 532                                 32,
 533                                 1,
 534                                 (unsigned char*) &atoms[_NET_WM_WINDOW_TYPE_DOCK]);
 535             if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 536                 printf("ERROR: Could not set dock mode. XCB-errorcode: %d\n", err->error_code);
 537                 exit(EXIT_FAILURE);
 538             }
 539
 540             /* We also want a graphics-context (the "canvas" on which we draw) */
 541             walk->bargc = xcb_generate_id(xcb_connection);
 542             mask = XCB_GC_FONT;
 543             values[0] = xcb_font;
 544             cookie = xcb_create_gc_checked(xcb_connection,
 545                                            walk->bargc,
 546                                            walk->bar,
 547                                            mask,
 548                                            values);
 549
 550             if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 551                 printf("ERROR: Could not create graphical context. XCB-errorcode: %d\n", err->error_code);
 552                 exit(EXIT_FAILURE);
 553             }
 554
 555             /* We finally map the bar (display it on screen) */
 556             cookie = xcb_map_window_checked(xcb_connection, walk->bar);
 557
 558             if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 559                 printf("ERROR: Could not map window. XCB-errorcode: %d\n", err->error_code);
 560                 exit(EXIT_FAILURE);
 561             }
 562         } else {
 563             /* We already have a bar, so we just reconfigure it */
 564             mask = XCB_CONFIG_WINDOW_X |
 565                    XCB_CONFIG_WINDOW_Y |
 566                    XCB_CONFIG_WINDOW_WIDTH |
 567                    XCB_CONFIG_WINDOW_HEIGHT |
 568                    XCB_CONFIG_WINDOW_STACK_MODE;
 569             values[0] = walk->rect.x;
 570             values[1] = walk->rect.y + walk->rect.h - font_height - 6;
 571             values[2] = walk->rect.w;
 572             values[3] = font_height + 6;
 573             values[4] = XCB_STACK_MODE_ABOVE;
 574             printf("Reconfiguring Window for output %s to %d,%d\n", walk->name, values[0], values[1]);
 575             cookie = xcb_configure_window_checked(xcb_connection,
 576                                                   walk->bar,
 577                                                   mask,
 578                                                   values);
 579
 580             if ((err = xcb_request_check(xcb_connection, cookie)) != NULL) {
 581                 printf("ERROR: Could not reconfigure window. XCB-errorcode: %d\n", err->error_code);
 582                 exit(EXIT_FAILURE);
 583             }
 584         }
 585     }
 586 }
 587
 588 /*
 589  * Render the bars, with buttons and statusline
 590  *
 591  */
 592 void draw_bars() {
 593     printf("Drawing Bars...\n");
 594     int i = 0;
 595     i3_output *outputs_walk;
 596     SLIST_FOREACH(outputs_walk, outputs, slist) {
 597         if (!outputs_walk->active) {
 598             printf("Output %s inactive, skipping...\n", outputs_walk->name);
 599             continue;
 600         }
 601         if (outputs_walk->bar == XCB_NONE) {
 602             reconfig_windows();
 603         }
 604         uint32_t color = get_colorpixel("000000");
 605         xcb_change_gc(xcb_connection,
 606                       outputs_walk->bargc,
 607                       XCB_GC_FOREGROUND,
 608                       &color);
 609         xcb_rectangle_t rect = { 0, 0, outputs_walk->rect.w, font_height + 6 };
 610         xcb_poly_fill_rectangle(xcb_connection,
 611                                 outputs_walk->bar,
 612                                 outputs_walk->bargc,
 613                                 1,
 614                                 &rect);
 615         if (statusline != NULL) {
 616             printf("Printing statusline!\n");
 617             xcb_change_gc(xcb_connection,
 618                           outputs_walk->bargc,
 619                           XCB_GC_BACKGROUND,
 620                           &color);
 621             color = get_colorpixel("FFFFFF");
 622             xcb_change_gc(xcb_connection,
 623                           outputs_walk->bargc,
 624                           XCB_GC_FOREGROUND,
 625                           &color);
 626
 627             int glyph_count;
 628             xcb_char2b_t *text = (xcb_char2b_t*) convert_utf8_to_ucs2(statusline, &glyph_count);
 629
 630             xcb_void_cookie_t cookie;
 631             cookie = xcb_image_text_16(xcb_connection,
 632                                        glyph_count,
 633                                        outputs_walk->bar,
 634                                        outputs_walk->bargc,
 635                                        outputs_walk->rect.w - get_string_width(text, glyph_count) - 4,
 636                                        font_height + 1,
 637                                        (xcb_char2b_t*) text);
 638
 639             xcb_generic_error_t *err = xcb_request_check(xcb_connection, cookie);
 640
 641             if (err != NULL) {
 642                 printf("XCB-Error: %d\n", err->error_code);
 643             }
 644         }
 645         i3_ws *ws_walk;
 646         TAILQ_FOREACH(ws_walk, outputs_walk->workspaces, tailq) {
 647             printf("Drawing Button for WS %s at x = %d\n", ws_walk->name, i);
 648             uint32_t color = get_colorpixel("240000");
 649             if (ws_walk->visible) {
 650                 color = get_colorpixel("480000");
 651             }
 652             if (ws_walk->urgent) {
 653                 printf("WS %s is urgent!\n", ws_walk->name);
 654                 color = get_colorpixel("002400");
 655                 /* The urgent-hint should get noticed, so we unhide the bars shortly */
 656                 unhide_bars();
 657             }
 658             xcb_change_gc(xcb_connection,
 659                           outputs_walk->bargc,
 660                           XCB_GC_FOREGROUND,
 661                           &color);
 662             xcb_change_gc(xcb_connection,
 663                           outputs_walk->bargc,
 664                           XCB_GC_BACKGROUND,
 665                           &color);
 666             xcb_rectangle_t rect = { i + 1, 1, ws_walk->name_width + 8, font_height + 4 };
 667             xcb_poly_fill_rectangle(xcb_connection,
 668                                     outputs_walk->bar,
 669                                     outputs_walk->bargc,
 670                                     1,
 671                                     &rect);
 672             color = get_colorpixel("FFFFFF");
 673             xcb_change_gc(xcb_connection,
 674                           outputs_walk->bargc,
 675                           XCB_GC_FOREGROUND,
 676                           &color);
 677             xcb_image_text_16(xcb_connection,
 678                               ws_walk->name_glyphs,
 679                               outputs_walk->bar,
 680                               outputs_walk->bargc,
 681                               i + 5, font_height + 1,
 682                               ws_walk->ucs2_name);
 683             i += 10 + ws_walk->name_width;
 684         }
 685
 686         i = 0;
 687     }
 688 }