dmenu.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <ctype.h>
   3 #include <locale.h>
   4 #include <stdio.h>
   5 #include <stdlib.h>
   6 #include <string.h>
   7 #include <strings.h>
   8 #include <time.h>
   9
  10 #include <X11/Xlib.h>
  11 #include <X11/Xatom.h>
  12 #include <X11/Xutil.h>
  13 #ifdef XINERAMA
  14 #include <X11/extensions/Xinerama.h>
  15 #endif
  16 #include <X11/Xft/Xft.h>
  17
  18 #include "drw.h"
  19 #include "util.h"
  20
  21 /* macros */
  22 #define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
  23                              * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
  24 #define LENGTH(X)             (sizeof X / sizeof X[0])
  25 #define TEXTW(X)              (drw_fontset_getwidth(drw, (X)) + lrpad)
  26
  27 /* enums */
  28 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
  29
  30 struct item {
  31         char *text;
  32         struct item *left, *right;
  33         int out;
  34 };
  35
  36 static char text[BUFSIZ] = "";
  37 static int bh, mw, mh;
  38 static int sw, sh; /* X display screen geometry width, height */
  39 static int inputw = 0, promptw;
  40 static int lrpad; /* sum of left and right padding */
  41 static size_t cursor;
  42 static struct item *items = NULL;
  43 static struct item *matches, *matchend;
  44 static struct item *prev, *curr, *next, *sel;
  45 static int mon = -1, screen;
  46
  47 static Atom clip, utf8;
  48 static Display *dpy;
  49 static Window root, win;
  50 static XIC xic;
  51
  52 static Drw *drw;
  53 static Clr *scheme[SchemeLast];
  54
  55 #include "config.h"
  56
  57 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
  58 static char *(*fstrstr)(const char *, const char *) = strstr;
  59
  60 static void
  61 appenditem(struct item *item, struct item **list, struct item **last)
  62 {
  63         if (*last)
  64                 (*last)->right = item;
  65         else
  66                 *list = item;
  67
  68         item->left = *last;
  69         item->right = NULL;
  70         *last = item;
  71 }
  72
  73 static void
  74 calcoffsets(void)
  75 {
  76         int i, n;
  77
  78         if (lines > 0)
  79                 n = lines * bh;
  80         else
  81                 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
  82         /* calculate which items will begin the next page and previous page */
  83         for (i = 0, next = curr; next; next = next->right)
  84                 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
  85                         break;
  86         for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
  87                 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
  88                         break;
  89 }
  90
  91 static void
  92 cleanup(void)
  93 {
  94         size_t i;
  95
  96         XUngrabKey(dpy, AnyKey, AnyModifier, root);
  97         for (i = 0; i < SchemeLast; i++)
  98                 free(scheme[i]);
  99         drw_free(drw);
 100         XSync(dpy, False);
 101         XCloseDisplay(dpy);
 102 }
 103
 104 static char *
 105 cistrstr(const char *s, const char *sub)
 106 {
 107         size_t len;
 108
 109         for (len = strlen(sub); *s; s++)
 110                 if (!strncasecmp(s, sub, len))
 111                         return (char *)s;
 112         return NULL;
 113 }
 114
 115 static int
 116 drawitem(struct item *item, int x, int y, int w)
 117 {
 118         if (item == sel)
 119                 drw_setscheme(drw, scheme[SchemeSel]);
 120         else if (item->out)
 121                 drw_setscheme(drw, scheme[SchemeOut]);
 122         else
 123                 drw_setscheme(drw, scheme[SchemeNorm]);
 124
 125         return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
 126 }
 127
 128 static void
 129 drawmenu(void)
 130 {
 131         unsigned int curpos;
 132         struct item *item;
 133         int x = 0, y = 0, w;
 134
 135         drw_setscheme(drw, scheme[SchemeNorm]);
 136         drw_rect(drw, 0, 0, mw, mh, 1, 1);
 137
 138         if (prompt && *prompt) {
 139                 drw_setscheme(drw, scheme[SchemeSel]);
 140                 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
 141         }
 142         /* draw input field */
 143         w = (lines > 0 || !matches) ? mw - x : inputw;
 144         drw_setscheme(drw, scheme[SchemeNorm]);
 145         drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 146
 147         drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL);
 148         if ((curpos += lrpad / 2 - 1) < w) {
 149                 drw_setscheme(drw, scheme[SchemeNorm]);
 150                 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
 151         }
 152
 153         if (lines > 0) {
 154                 /* draw vertical list */
 155                 for (item = curr; item != next; item = item->right)
 156                         drawitem(item, x, y += bh, mw - x);
 157         } else if (matches) {
 158                 /* draw horizontal list */
 159                 x += inputw;
 160                 w = TEXTW("<");
 161                 if (curr->left) {
 162                         drw_setscheme(drw, scheme[SchemeNorm]);
 163                         drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
 164                 }
 165                 x += w;
 166                 for (item = curr; item != next; item = item->right)
 167                         x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
 168                 if (next) {
 169                         w = TEXTW(">");
 170                         drw_setscheme(drw, scheme[SchemeNorm]);
 171                         drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
 172                 }
 173         }
 174         drw_map(drw, win, 0, 0, mw, mh);
 175 }
 176
 177 static void
 178 grabkeyboard(void)
 179 {
 180         struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };
 181         int i;
 182
 183         /* try to grab keyboard, we may have to wait for another process to ungrab */
 184         for (i = 0; i < 1000; i++) {
 185                 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
 186                                   GrabModeAsync, CurrentTime) == GrabSuccess)
 187                         return;
 188                 nanosleep(&ts, NULL);
 189         }
 190         die("cannot grab keyboard\n");
 191 }
 192
 193 static void
 194 match(void)
 195 {
 196         static char **tokv = NULL;
 197         static int tokn = 0;
 198
 199         char buf[sizeof text], *s;
 200         int i, tokc = 0;
 201         size_t len, textsize;
 202         struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
 203
 204         strcpy(buf, text);
 205         /* separate input text into tokens to be matched individually */
 206         for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
 207                 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
 208                         die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
 209         len = tokc ? strlen(tokv[0]) : 0;
 210
 211         matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
 212         textsize = strlen(text);
 213         for (item = items; item && item->text; item++) {
 214                 for (i = 0; i < tokc; i++)
 215                         if (!fstrstr(item->text, tokv[i]))
 216                                 break;
 217                 if (i != tokc) /* not all tokens match */
 218                         continue;
 219                 /* exact matches go first, then prefixes, then substrings */
 220                 if (!tokc || !fstrncmp(text, item->text, textsize))
 221                         appenditem(item, &matches, &matchend);
 222                 else if (!fstrncmp(tokv[0], item->text, len))
 223                         appenditem(item, &lprefix, &prefixend);
 224                 else
 225                         appenditem(item, &lsubstr, &substrend);
 226         }
 227         if (lprefix) {
 228                 if (matches) {
 229                         matchend->right = lprefix;
 230                         lprefix->left = matchend;
 231                 } else
 232                         matches = lprefix;
 233                 matchend = prefixend;
 234         }
 235         if (lsubstr) {
 236                 if (matches) {
 237                         matchend->right = lsubstr;
 238                         lsubstr->left = matchend;
 239                 } else
 240                         matches = lsubstr;
 241                 matchend = substrend;
 242         }
 243         curr = sel = matches;
 244         calcoffsets();
 245 }
 246
 247 static void
 248 insert(const char *str, ssize_t n)
 249 {
 250         if (strlen(text) + n > sizeof text - 1)
 251                 return;
 252         /* move existing text out of the way, insert new text, and update cursor */
 253         memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
 254         if (n > 0)
 255                 memcpy(&text[cursor], str, n);
 256         cursor += n;
 257         match();
 258 }
 259
 260 static size_t
 261 nextrune(int inc)
 262 {
 263         ssize_t n;
 264
 265         /* return location of next utf8 rune in the given direction (+1 or -1) */
 266         for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
 267                 ;
 268         return n;
 269 }
 270
 271 static void
 272 keypress(XKeyEvent *ev)
 273 {
 274         char buf[32];
 275         int len;
 276         KeySym ksym = NoSymbol;
 277         Status status;
 278
 279         len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
 280         if (status == XBufferOverflow)
 281                 return;
 282         if (ev->state & ControlMask)
 283                 switch(ksym) {
 284                 case XK_a: ksym = XK_Home;      break;
 285                 case XK_b: ksym = XK_Left;      break;
 286                 case XK_c: ksym = XK_Escape;    break;
 287                 case XK_d: ksym = XK_Delete;    break;
 288                 case XK_e: ksym = XK_End;       break;
 289                 case XK_f: ksym = XK_Right;     break;
 290                 case XK_g: ksym = XK_Escape;    break;
 291                 case XK_h: ksym = XK_BackSpace; break;
 292                 case XK_i: ksym = XK_Tab;       break;
 293                 case XK_j: /* fallthrough */
 294                 case XK_J: /* fallthrough */
 295                 case XK_m: /* fallthrough */
 296                 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
 297                 case XK_n: ksym = XK_Down;      break;
 298                 case XK_p: ksym = XK_Up;        break;
 299
 300                 case XK_k: /* delete right */
 301                         text[cursor] = '\0';
 302                         match();
 303                         break;
 304                 case XK_u: /* delete left */
 305                         insert(NULL, 0 - cursor);
 306                         break;
 307                 case XK_w: /* delete word */
 308                         while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
 309                                 insert(NULL, nextrune(-1) - cursor);
 310                         while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
 311                                 insert(NULL, nextrune(-1) - cursor);
 312                         break;
 313                 case XK_y: /* paste selection */
 314                 case XK_Y:
 315                         XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
 316                                           utf8, utf8, win, CurrentTime);
 317                         return;
 318                 case XK_Return:
 319                 case XK_KP_Enter:
 320                         break;
 321                 case XK_bracketleft:
 322                         cleanup();
 323                         exit(1);
 324                 default:
 325                         return;
 326                 }
 327         else if (ev->state & Mod1Mask)
 328                 switch(ksym) {
 329                 case XK_g: ksym = XK_Home;  break;
 330                 case XK_G: ksym = XK_End;   break;
 331                 case XK_h: ksym = XK_Up;    break;
 332                 case XK_j: ksym = XK_Next;  break;
 333                 case XK_k: ksym = XK_Prior; break;
 334                 case XK_l: ksym = XK_Down;  break;
 335                 default:
 336                         return;
 337                 }
 338         switch(ksym) {
 339         default:
 340                 if (!iscntrl(*buf))
 341                         insert(buf, len);
 342                 break;
 343         case XK_Delete:
 344                 if (text[cursor] == '\0')
 345                         return;
 346                 cursor = nextrune(+1);
 347                 /* fallthrough */
 348         case XK_BackSpace:
 349                 if (cursor == 0)
 350                         return;
 351                 insert(NULL, nextrune(-1) - cursor);
 352                 break;
 353         case XK_End:
 354                 if (text[cursor] != '\0') {
 355                         cursor = strlen(text);
 356                         break;
 357                 }
 358                 if (next) {
 359                         /* jump to end of list and position items in reverse */
 360                         curr = matchend;
 361                         calcoffsets();
 362                         curr = prev;
 363                         calcoffsets();
 364                         while (next && (curr = curr->right))
 365                                 calcoffsets();
 366                 }
 367                 sel = matchend;
 368                 break;
 369         case XK_Escape:
 370                 cleanup();
 371                 exit(1);
 372         case XK_Home:
 373                 if (sel == matches) {
 374                         cursor = 0;
 375                         break;
 376                 }
 377                 sel = curr = matches;
 378                 calcoffsets();
 379                 break;
 380         case XK_Left:
 381                 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
 382                         cursor = nextrune(-1);
 383                         break;
 384                 }
 385                 if (lines > 0)
 386                         return;
 387                 /* fallthrough */
 388         case XK_Up:
 389                 if (sel && sel->left && (sel = sel->left)->right == curr) {
 390                         curr = prev;
 391                         calcoffsets();
 392                 }
 393                 break;
 394         case XK_Next:
 395                 if (!next)
 396                         return;
 397                 sel = curr = next;
 398                 calcoffsets();
 399                 break;
 400         case XK_Prior:
 401                 if (!prev)
 402                         return;
 403                 sel = curr = prev;
 404                 calcoffsets();
 405                 break;
 406         case XK_Return:
 407         case XK_KP_Enter:
 408                 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
 409                 if (!(ev->state & ControlMask)) {
 410                         cleanup();
 411                         exit(0);
 412                 }
 413                 if (sel)
 414                         sel->out = 1;
 415                 break;
 416         case XK_Right:
 417                 if (text[cursor] != '\0') {
 418                         cursor = nextrune(+1);
 419                         break;
 420                 }
 421                 if (lines > 0)
 422                         return;
 423                 /* fallthrough */
 424         case XK_Down:
 425                 if (sel && sel->right && (sel = sel->right) == next) {
 426                         curr = next;
 427                         calcoffsets();
 428                 }
 429                 break;
 430         case XK_Tab:
 431                 if (!sel)
 432                         return;
 433                 strncpy(text, sel->text, sizeof text - 1);
 434                 text[sizeof text - 1] = '\0';
 435                 cursor = strlen(text);
 436                 match();
 437                 break;
 438         }
 439         drawmenu();
 440 }
 441
 442 static void
 443 paste(void)
 444 {
 445         char *p, *q;
 446         int di;
 447         unsigned long dl;
 448         Atom da;
 449
 450         /* we have been given the current selection, now insert it into input */
 451         XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
 452                            utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
 453         insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
 454         XFree(p);
 455         drawmenu();
 456 }
 457
 458 static void
 459 readstdin(void)
 460 {
 461         char buf[sizeof text], *p;
 462         size_t i, imax = 0, size = 0;
 463         unsigned int tmpmax = 0;
 464
 465         /* read each line from stdin and add it to the item list */
 466         for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
 467                 if (i + 1 >= size / sizeof *items)
 468                         if (!(items = realloc(items, (size += BUFSIZ))))
 469                                 die("cannot realloc %u bytes:", size);
 470                 if ((p = strchr(buf, '\n')))
 471                         *p = '\0';
 472                 if (!(items[i].text = strdup(buf)))
 473                         die("cannot strdup %u bytes:", strlen(buf) + 1);
 474                 items[i].out = 0;
 475                 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
 476                 if (tmpmax > inputw) {
 477                         inputw = tmpmax;
 478                         imax = i;
 479                 }
 480         }
 481         if (items)
 482                 items[i].text = NULL;
 483         inputw = items ? TEXTW(items[imax].text) : 0;
 484         lines = MIN(lines, i);
 485 }
 486
 487 static void
 488 run(void)
 489 {
 490         XEvent ev;
 491
 492         while (!XNextEvent(dpy, &ev)) {
 493                 if (XFilterEvent(&ev, win))
 494                         continue;
 495                 switch(ev.type) {
 496                 case Expose:
 497                         if (ev.xexpose.count == 0)
 498                                 drw_map(drw, win, 0, 0, mw, mh);
 499                         break;
 500                 case KeyPress:
 501                         keypress(&ev.xkey);
 502                         break;
 503                 case SelectionNotify:
 504                         if (ev.xselection.property == utf8)
 505                                 paste();
 506                         break;
 507                 case VisibilityNotify:
 508                         if (ev.xvisibility.state != VisibilityUnobscured)
 509                                 XRaiseWindow(dpy, win);
 510                         break;
 511                 }
 512         }
 513 }
 514
 515 static void
 516 setup(void)
 517 {
 518         int x, y;
 519         XSetWindowAttributes swa;
 520         XIM xim;
 521 #ifdef XINERAMA
 522         XineramaScreenInfo *info;
 523         Window w, pw, dw, *dws;
 524         XWindowAttributes wa;
 525         int a, j, di, n, i = 0, area = 0;
 526         unsigned int du;
 527 #endif
 528
 529         /* init appearance */
 530         scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 2);
 531         scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 2);
 532         scheme[SchemeOut] = drw_scm_create(drw, colors[SchemeOut], 2);
 533
 534         clip = XInternAtom(dpy, "CLIPBOARD",   False);
 535         utf8 = XInternAtom(dpy, "UTF8_STRING", False);
 536
 537         /* calculate menu geometry */
 538         bh = drw->fonts->h + 2;
 539         lines = MAX(lines, 0);
 540         mh = (lines + 1) * bh;
 541 #ifdef XINERAMA
 542         if ((info = XineramaQueryScreens(dpy, &n))) {
 543                 XGetInputFocus(dpy, &w, &di);
 544                 if (mon >= 0 && mon < n)
 545                         i = mon;
 546                 else if (w != root && w != PointerRoot && w != None) {
 547                         /* find top-level window containing current input focus */
 548                         do {
 549                                 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
 550                                         XFree(dws);
 551                         } while (w != root && w != pw);
 552                         /* find xinerama screen with which the window intersects most */
 553                         if (XGetWindowAttributes(dpy, pw, &wa))
 554                                 for (j = 0; j < n; j++)
 555                                         if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
 556                                                 area = a;
 557                                                 i = j;
 558                                         }
 559                 }
 560                 /* no focused window is on screen, so use pointer location instead */
 561                 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
 562                         for (i = 0; i < n; i++)
 563                                 if (INTERSECT(x, y, 1, 1, info[i]))
 564                                         break;
 565
 566                 x = info[i].x_org;
 567                 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
 568                 mw = info[i].width;
 569                 XFree(info);
 570         } else
 571 #endif
 572         {
 573                 x = 0;
 574                 y = topbar ? 0 : sh - mh;
 575                 mw = sw;
 576         }
 577         promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 578         inputw = MIN(inputw, mw/3);
 579         match();
 580
 581         /* create menu window */
 582         swa.override_redirect = True;
 583         swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
 584         swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
 585         win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 586                             DefaultDepth(dpy, screen), CopyFromParent,
 587                             DefaultVisual(dpy, screen),
 588                             CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
 589
 590         /* open input methods */
 591         xim = XOpenIM(dpy, NULL, NULL, NULL);
 592         xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
 593                         XNClientWindow, win, XNFocusWindow, win, NULL);
 594
 595         XMapRaised(dpy, win);
 596         drw_resize(drw, mw, mh);
 597         drawmenu();
 598 }
 599
 600 static void
 601 usage(void)
 602 {
 603         fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 604               "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
 605         exit(1);
 606 }
 607
 608 int
 609 main(int argc, char *argv[])
 610 {
 611         int i, fast = 0;
 612
 613         for (i = 1; i < argc; i++)
 614                 /* these options take no arguments */
 615                 if (!strcmp(argv[i], "-v")) {      /* prints version information */
 616                         puts("dmenu-"VERSION);
 617                         exit(0);
 618                 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
 619                         topbar = 0;
 620                 else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
 621                         fast = 1;
 622                 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 623                         fstrncmp = strncasecmp;
 624                         fstrstr = cistrstr;
 625                 } else if (i + 1 == argc)
 626                         usage();
 627                 /* these options take one argument */
 628                 else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
 629                         lines = atoi(argv[++i]);
 630                 else if (!strcmp(argv[i], "-m"))
 631                         mon = atoi(argv[++i]);
 632                 else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
 633                         prompt = argv[++i];
 634                 else if (!strcmp(argv[i], "-fn"))  /* font or font set */
 635                         fonts[0] = argv[++i];
 636                 else if (!strcmp(argv[i], "-nb"))  /* normal background color */
 637                         colors[SchemeNorm][ColBg] = argv[++i];
 638                 else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
 639                         colors[SchemeNorm][ColFg] = argv[++i];
 640                 else if (!strcmp(argv[i], "-sb"))  /* selected background color */
 641                         colors[SchemeSel][ColBg] = argv[++i];
 642                 else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 643                         colors[SchemeSel][ColFg] = argv[++i];
 644                 else
 645                         usage();
 646
 647         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 648                 fputs("warning: no locale support\n", stderr);
 649         if (!(dpy = XOpenDisplay(NULL)))
 650                 die("cannot open display\n");
 651         screen = DefaultScreen(dpy);
 652         root = RootWindow(dpy, screen);
 653         sw = DisplayWidth(dpy, screen);
 654         sh = DisplayHeight(dpy, screen);
 655         drw = drw_create(dpy, screen, root, sw, sh);
 656         if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 657                 die("no fonts could be loaded.\n");
 658         lrpad = drw->fonts->h;
 659
 660         if (fast) {
 661                 grabkeyboard();
 662                 readstdin();
 663         } else {
 664                 readstdin();
 665                 grabkeyboard();
 666         }
 667         setup();
 668         run();
 669
 670         return 1; /* unreachable */
 671 }