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, inputscheme;
 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                 x += 2;
 142         }
 143         /* draw input field */
 144         w = (lines > 0 || !matches) ? mw - x : inputw;
 145         if (matches && !strcmp(text, curr->text))
 146                 inputscheme = SchemeSel;
 147         else
 148                 inputscheme = SchemeNorm;
 149         drw_setscheme(drw, scheme[inputscheme]);
 150
 151         drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
 152
 153         drw_font_getexts(drw->fonts, text, cursor, &curpos, NULL);
 154         if ((curpos += lrpad / 2 - 1) < w) {
 155                 drw_setscheme(drw, scheme[inputscheme]);
 156                 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
 157         }
 158
 159         if (inputscheme == SchemeSel)
 160                 goto drawmap;
 161
 162         if (lines > 0) {
 163                 /* draw vertical list */
 164                 for (item = curr; item != next; item = item->right)
 165                         drawitem(item, x, y += bh, mw - x);
 166         } else if (matches) {
 167                 /* draw horizontal list */
 168                 x += inputw;
 169                 w = TEXTW("<");
 170                 if (curr->left) {
 171                         drw_setscheme(drw, scheme[SchemeNorm]);
 172                         drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
 173                 }
 174                 x += w;
 175                 for (item = curr; item != next; item = item->right)
 176                         x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
 177                 if (next) {
 178                         w = TEXTW(">");
 179                         drw_setscheme(drw, scheme[SchemeNorm]);
 180                         drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
 181                 }
 182         }
 183 drawmap:
 184         drw_map(drw, win, 0, 0, mw, mh);
 185 }
 186
 187 static void
 188 grabkeyboard(void)
 189 {
 190         struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };
 191         int i;
 192
 193         /* try to grab keyboard, we may have to wait for another process to ungrab */
 194         for (i = 0; i < 1000; i++) {
 195                 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
 196                                   GrabModeAsync, CurrentTime) == GrabSuccess)
 197                         return;
 198                 nanosleep(&ts, NULL);
 199         }
 200         die("cannot grab keyboard\n");
 201 }
 202
 203 static void
 204 match(void)
 205 {
 206         static char **tokv = NULL;
 207         static int tokn = 0;
 208
 209         char buf[sizeof text], *s;
 210         int i, tokc = 0;
 211         size_t len, textsize;
 212         struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
 213
 214         strcpy(buf, text);
 215         /* separate input text into tokens to be matched individually */
 216         for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
 217                 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
 218                         die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
 219         len = tokc ? strlen(tokv[0]) : 0;
 220
 221         matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
 222         textsize = strlen(text);
 223         for (item = items; item && item->text; item++) {
 224                 for (i = 0; i < tokc; i++)
 225                         if (!fstrstr(item->text, tokv[i]))
 226                                 break;
 227                 if (i != tokc) /* not all tokens match */
 228                         continue;
 229                 /* exact matches go first, then prefixes, then substrings */
 230                 if (!tokc || !fstrncmp(text, item->text, textsize))
 231                         appenditem(item, &matches, &matchend);
 232                 else if (!fstrncmp(tokv[0], item->text, len))
 233                         appenditem(item, &lprefix, &prefixend);
 234                 else
 235                         appenditem(item, &lsubstr, &substrend);
 236         }
 237         if (lprefix) {
 238                 if (matches) {
 239                         matchend->right = lprefix;
 240                         lprefix->left = matchend;
 241                 } else
 242                         matches = lprefix;
 243                 matchend = prefixend;
 244         }
 245         if (lsubstr) {
 246                 if (matches) {
 247                         matchend->right = lsubstr;
 248                         lsubstr->left = matchend;
 249                 } else
 250                         matches = lsubstr;
 251                 matchend = substrend;
 252         }
 253         curr = sel = matches;
 254         calcoffsets();
 255 }
 256
 257 static void
 258 insert(const char *str, ssize_t n)
 259 {
 260         if (strlen(text) + n > sizeof text - 1)
 261                 return;
 262         /* move existing text out of the way, insert new text, and update cursor */
 263         memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
 264         if (n > 0)
 265                 memcpy(&text[cursor], str, n);
 266         cursor += n;
 267         match();
 268 }
 269
 270 static size_t
 271 nextrune(int inc)
 272 {
 273         ssize_t n;
 274
 275         /* return location of next utf8 rune in the given direction (+1 or -1) */
 276         for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
 277                 ;
 278         return n;
 279 }
 280
 281 static void
 282 keypress(XKeyEvent *ev)
 283 {
 284         char buf[32];
 285         int len;
 286         KeySym ksym = NoSymbol;
 287         Status status;
 288
 289         len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
 290         if (status == XBufferOverflow)
 291                 return;
 292         if (ev->state & ControlMask)
 293                 switch(ksym) {
 294                 case XK_a: ksym = XK_Home;      break;
 295                 case XK_b: ksym = XK_Left;      break;
 296                 case XK_c: ksym = XK_Escape;    break;
 297                 case XK_d: ksym = XK_Delete;    break;
 298                 case XK_e: ksym = XK_End;       break;
 299                 case XK_f: ksym = XK_Right;     break;
 300                 case XK_g: ksym = XK_Escape;    break;
 301                 case XK_h: ksym = XK_BackSpace; break;
 302                 case XK_i: ksym = XK_Tab;       break;
 303                 case XK_j: /* fallthrough */
 304                 case XK_J: /* fallthrough */
 305                 case XK_m: /* fallthrough */
 306                 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
 307                 case XK_n: ksym = XK_Down;      break;
 308                 case XK_p: ksym = XK_Up;        break;
 309
 310                 case XK_k: /* delete right */
 311                         text[cursor] = '\0';
 312                         match();
 313                         break;
 314                 case XK_u: /* delete left */
 315                         insert(NULL, 0 - cursor);
 316                         break;
 317                 case XK_w: /* delete word */
 318                         while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
 319                                 insert(NULL, nextrune(-1) - cursor);
 320                         while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
 321                                 insert(NULL, nextrune(-1) - cursor);
 322                         break;
 323                 case XK_y: /* paste selection */
 324                 case XK_Y:
 325                         XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
 326                                           utf8, utf8, win, CurrentTime);
 327                         return;
 328                 case XK_Return:
 329                 case XK_KP_Enter:
 330                         break;
 331                 case XK_bracketleft:
 332                         cleanup();
 333                         exit(1);
 334                 default:
 335                         return;
 336                 }
 337         else if (ev->state & Mod1Mask)
 338                 switch(ksym) {
 339                 case XK_g: ksym = XK_Home;  break;
 340                 case XK_G: ksym = XK_End;   break;
 341                 case XK_h: ksym = XK_Up;    break;
 342                 case XK_j: ksym = XK_Next;  break;
 343                 case XK_k: ksym = XK_Prior; break;
 344                 case XK_l: ksym = XK_Down;  break;
 345                 default:
 346                         return;
 347                 }
 348         switch(ksym) {
 349         default:
 350                 if (!iscntrl(*buf))
 351                         insert(buf, len);
 352                 break;
 353         case XK_Delete:
 354                 if (text[cursor] == '\0')
 355                         return;
 356                 cursor = nextrune(+1);
 357                 /* fallthrough */
 358         case XK_BackSpace:
 359                 if (cursor == 0)
 360                         return;
 361                 insert(NULL, nextrune(-1) - cursor);
 362                 break;
 363         case XK_End:
 364                 if (text[cursor] != '\0') {
 365                         cursor = strlen(text);
 366                         break;
 367                 }
 368                 if (next) {
 369                         /* jump to end of list and position items in reverse */
 370                         curr = matchend;
 371                         calcoffsets();
 372                         curr = prev;
 373                         calcoffsets();
 374                         while (next && (curr = curr->right))
 375                                 calcoffsets();
 376                 }
 377                 sel = matchend;
 378                 break;
 379         case XK_Escape:
 380                 cleanup();
 381                 exit(1);
 382         case XK_Home:
 383                 if (sel == matches) {
 384                         cursor = 0;
 385                         break;
 386                 }
 387                 sel = curr = matches;
 388                 calcoffsets();
 389                 break;
 390         case XK_Left:
 391                 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
 392                         cursor = nextrune(-1);
 393                         break;
 394                 }
 395                 if (lines > 0)
 396                         return;
 397                 /* fallthrough */
 398         case XK_Up:
 399                 if (sel && sel->left && (sel = sel->left)->right == curr) {
 400                         curr = prev;
 401                         calcoffsets();
 402                 }
 403                 break;
 404         case XK_Next:
 405                 if (!next)
 406                         return;
 407                 sel = curr = next;
 408                 calcoffsets();
 409                 break;
 410         case XK_Prior:
 411                 if (!prev)
 412                         return;
 413                 sel = curr = prev;
 414                 calcoffsets();
 415                 break;
 416         case XK_Return:
 417         case XK_KP_Enter:
 418                 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
 419                 if (!(ev->state & ControlMask)) {
 420                         cleanup();
 421                         exit(0);
 422                 }
 423                 if (sel)
 424                         sel->out = 1;
 425                 break;
 426         case XK_Right:
 427                 if (text[cursor] != '\0') {
 428                         cursor = nextrune(+1);
 429                         break;
 430                 }
 431                 if (lines > 0)
 432                         return;
 433                 /* fallthrough */
 434         case XK_Down:
 435                 if (sel && sel->right && (sel = sel->right) == next) {
 436                         curr = next;
 437                         calcoffsets();
 438                 }
 439                 break;
 440         case XK_Tab:
 441                 if (!sel)
 442                         return;
 443                 strncpy(text, sel->text, sizeof text - 1);
 444                 text[sizeof text - 1] = '\0';
 445                 cursor = strlen(text);
 446                 match();
 447                 break;
 448         }
 449         drawmenu();
 450 }
 451
 452 static void
 453 paste(void)
 454 {
 455         char *p, *q;
 456         int di;
 457         unsigned long dl;
 458         Atom da;
 459
 460         /* we have been given the current selection, now insert it into input */
 461         XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
 462                            utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
 463         insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
 464         XFree(p);
 465         drawmenu();
 466 }
 467
 468 static void
 469 readstdin(void)
 470 {
 471         char buf[sizeof text], *p;
 472         size_t i, imax = 0, size = 0;
 473         unsigned int tmpmax = 0;
 474
 475         /* read each line from stdin and add it to the item list */
 476         for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
 477                 if (i + 1 >= size / sizeof *items)
 478                         if (!(items = realloc(items, (size += BUFSIZ))))
 479                                 die("cannot realloc %u bytes:", size);
 480                 if ((p = strchr(buf, '\n')))
 481                         *p = '\0';
 482                 if (!(items[i].text = strdup(buf)))
 483                         die("cannot strdup %u bytes:", strlen(buf) + 1);
 484                 items[i].out = 0;
 485                 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
 486                 if (tmpmax > inputw) {
 487                         inputw = tmpmax;
 488                         imax = i;
 489                 }
 490         }
 491         if (items)
 492                 items[i].text = NULL;
 493         inputw = items ? TEXTW(items[imax].text) : 0;
 494         lines = MIN(lines, i);
 495 }
 496
 497 static void
 498 run(void)
 499 {
 500         XEvent ev;
 501
 502         while (!XNextEvent(dpy, &ev)) {
 503                 if (XFilterEvent(&ev, win))
 504                         continue;
 505                 switch(ev.type) {
 506                 case Expose:
 507                         if (ev.xexpose.count == 0)
 508                                 drw_map(drw, win, 0, 0, mw, mh);
 509                         break;
 510                 case KeyPress:
 511                         keypress(&ev.xkey);
 512                         break;
 513                 case SelectionNotify:
 514                         if (ev.xselection.property == utf8)
 515                                 paste();
 516                         break;
 517                 case VisibilityNotify:
 518                         if (ev.xvisibility.state != VisibilityUnobscured)
 519                                 XRaiseWindow(dpy, win);
 520                         break;
 521                 }
 522         }
 523 }
 524
 525 static void
 526 setup(void)
 527 {
 528         int x, y;
 529         XSetWindowAttributes swa;
 530         XIM xim;
 531 #ifdef XINERAMA
 532         XineramaScreenInfo *info;
 533         Window w, pw, dw, *dws;
 534         XWindowAttributes wa;
 535         int a, j, di, n, i = 0, area = 0;
 536         unsigned int du;
 537 #endif
 538
 539         /* init appearance */
 540         scheme[SchemeNorm] = drw_scm_create(drw, colors[SchemeNorm], 2);
 541         scheme[SchemeSel] = drw_scm_create(drw, colors[SchemeSel], 2);
 542         scheme[SchemeOut] = drw_scm_create(drw, colors[SchemeOut], 2);
 543
 544         clip = XInternAtom(dpy, "CLIPBOARD",   False);
 545         utf8 = XInternAtom(dpy, "UTF8_STRING", False);
 546
 547         /* calculate menu geometry */
 548         bh = drw->fonts->h + 2;
 549         lines = MAX(lines, 0);
 550         mh = (lines + 1) * bh;
 551 #ifdef XINERAMA
 552         if ((info = XineramaQueryScreens(dpy, &n))) {
 553                 XGetInputFocus(dpy, &w, &di);
 554                 if (mon != -1 && mon < n)
 555                         i = mon;
 556                 else if (w != root && w != PointerRoot && w != None) {
 557                         /* find top-level window containing current input focus */
 558                         do {
 559                                 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
 560                                         XFree(dws);
 561                         } while (w != root && w != pw);
 562                         /* find xinerama screen with which the window intersects most */
 563                         if (XGetWindowAttributes(dpy, pw, &wa))
 564                                 for (j = 0; j < n; j++)
 565                                         if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
 566                                                 area = a;
 567                                                 i = j;
 568                                         }
 569                 }
 570                 /* no focused window is on screen, so use pointer location instead */
 571                 if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
 572                         for (i = 0; i < n; i++)
 573                                 if (INTERSECT(x, y, 1, 1, info[i]))
 574                                         break;
 575
 576                 x = info[i].x_org;
 577                 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
 578                 mw = info[i].width;
 579                 XFree(info);
 580         } else
 581 #endif
 582         {
 583                 x = 0;
 584                 y = topbar ? 0 : sh - mh;
 585                 mw = sw;
 586         }
 587         promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 588         inputw = MIN(inputw, mw/3);
 589         match();
 590
 591         /* create menu window */
 592         swa.override_redirect = True;
 593         swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
 594         swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
 595         win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 596                             DefaultDepth(dpy, screen), CopyFromParent,
 597                             DefaultVisual(dpy, screen),
 598                             CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
 599
 600         /* open input methods */
 601         xim = XOpenIM(dpy, NULL, NULL, NULL);
 602         xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
 603                         XNClientWindow, win, XNFocusWindow, win, NULL);
 604
 605         XMapRaised(dpy, win);
 606         drw_resize(drw, mw, mh);
 607         drawmenu();
 608 }
 609
 610 static void
 611 usage(void)
 612 {
 613         fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
 614               "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);
 615         exit(1);
 616 }
 617
 618 int
 619 main(int argc, char *argv[])
 620 {
 621         int i, fast = 0;
 622
 623         for (i = 1; i < argc; i++)
 624                 /* these options take no arguments */
 625                 if (!strcmp(argv[i], "-v")) {      /* prints version information */
 626                         puts("dmenu-"VERSION);
 627                         exit(0);
 628                 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
 629                         topbar = 0;
 630                 else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
 631                         fast = 1;
 632                 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 633                         fstrncmp = strncasecmp;
 634                         fstrstr = cistrstr;
 635                 } else if (i + 1 == argc)
 636                         usage();
 637                 /* these options take one argument */
 638                 else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
 639                         lines = atoi(argv[++i]);
 640                 else if (!strcmp(argv[i], "-m"))
 641                         mon = atoi(argv[++i]);
 642                 else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
 643                         prompt = argv[++i];
 644                 else if (!strcmp(argv[i], "-fn"))  /* font or font set */
 645                         fonts[0] = argv[++i];
 646                 else if (!strcmp(argv[i], "-nb"))  /* normal background color */
 647                         colors[SchemeNorm][ColBg] = argv[++i];
 648                 else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
 649                         colors[SchemeNorm][ColFg] = argv[++i];
 650                 else if (!strcmp(argv[i], "-sb"))  /* selected background color */
 651                         colors[SchemeSel][ColBg] = argv[++i];
 652                 else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 653                         colors[SchemeSel][ColFg] = argv[++i];
 654                 else
 655                         usage();
 656
 657         if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
 658                 fputs("warning: no locale support\n", stderr);
 659         if (!(dpy = XOpenDisplay(NULL)))
 660                 die("cannot open display\n");
 661         screen = DefaultScreen(dpy);
 662         root = RootWindow(dpy, screen);
 663         sw = DisplayWidth(dpy, screen);
 664         sh = DisplayHeight(dpy, screen);
 665         drw = drw_create(dpy, screen, root, sw, sh);
 666         if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 667                 die("no fonts could be loaded.\n");
 668         lrpad = drw->fonts->h;
 669
 670         if (fast) {
 671                 grabkeyboard();
 672                 readstdin();
 673         } else {
 674                 readstdin();
 675                 grabkeyboard();
 676         }
 677         setup();
 678         run();
 679
 680         return 1; /* unreachable */
 681 }