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 TEXTNW(X,N)           (drw_font_getexts_width(drw->fonts[0], (X), (N)))
  26 #define TEXTW(X)              (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)
  27
  28 /* enums */
  29 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
  30
  31 struct item {
  32         char *text;
  33         struct item *left, *right;
  34         int out;
  35 };
  36
  37 static char text[BUFSIZ] = "";
  38 static int bh, mw, mh;
  39 static int sw, sh; /* X display screen geometry width, height */
  40 static int inputw, promptw;
  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 ClrScheme scheme[SchemeLast];
  53 static Drw *drw;
  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                 drw_clr_free(scheme[i].bg);
  99                 drw_clr_free(scheme[i].fg);
 100         }
 101         drw_free(drw);
 102         XSync(dpy, False);
 103         XCloseDisplay(dpy);
 104 }
 105
 106 static char *
 107 cistrstr(const char *s, const char *sub)
 108 {
 109         size_t len;
 110
 111         for (len = strlen(sub); *s; s++)
 112                 if (!strncasecmp(s, sub, len))
 113                         return (char *)s;
 114         return NULL;
 115 }
 116
 117 static void
 118 drawmenu(void)
 119 {
 120         int curpos;
 121         struct item *item;
 122         int x = 0, y = 0, h = bh, w;
 123
 124         drw_setscheme(drw, &scheme[SchemeNorm]);
 125         drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);
 126
 127         if (prompt && *prompt) {
 128                 drw_setscheme(drw, &scheme[SchemeSel]);
 129                 drw_text(drw, x, 0, promptw, bh, prompt, 0);
 130                 x += promptw;
 131         }
 132         /* draw input field */
 133         w = (lines > 0 || !matches) ? mw - x : inputw;
 134         drw_setscheme(drw, &scheme[SchemeNorm]);
 135         drw_text(drw, x, 0, w, bh, text, 0);
 136
 137         if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {
 138                 drw_setscheme(drw, &scheme[SchemeNorm]);
 139                 drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);
 140         }
 141
 142         if (lines > 0) {
 143                 /* draw vertical list */
 144                 w = mw - x;
 145                 for (item = curr; item != next; item = item->right) {
 146                         y += h;
 147                         if (item == sel)
 148                                 drw_setscheme(drw, &scheme[SchemeSel]);
 149                         else if (item->out)
 150                                 drw_setscheme(drw, &scheme[SchemeOut]);
 151                         else
 152                                 drw_setscheme(drw, &scheme[SchemeNorm]);
 153
 154                         drw_text(drw, x, y, w, bh, item->text, 0);
 155                 }
 156         } else if (matches) {
 157                 /* draw horizontal list */
 158                 x += inputw;
 159                 w = TEXTW("<");
 160                 if (curr->left) {
 161                         drw_setscheme(drw, &scheme[SchemeNorm]);
 162                         drw_text(drw, x, 0, w, bh, "<", 0);
 163                 }
 164                 for (item = curr; item != next; item = item->right) {
 165                         x += w;
 166                         w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
 167
 168                         if (item == sel)
 169                                 drw_setscheme(drw, &scheme[SchemeSel]);
 170                         else if (item->out)
 171                                 drw_setscheme(drw, &scheme[SchemeOut]);
 172                         else
 173                                 drw_setscheme(drw, &scheme[SchemeNorm]);
 174                         drw_text(drw, x, 0, w, bh, item->text, 0);
 175                 }
 176                 w = TEXTW(">");
 177                 x = mw - w;
 178                 if (next) {
 179                         drw_setscheme(drw, &scheme[SchemeNorm]);
 180                         drw_text(drw, x, 0, w, bh, ">", 0);
 181                 }
 182         }
 183         drw_map(drw, win, 0, 0, mw, mh);
 184 }
 185
 186 static void
 187 grabkeyboard(void)
 188 {
 189         struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };
 190         int i;
 191
 192         /* try to grab keyboard, we may have to wait for another process to ungrab */
 193         for (i = 0; i < 1000; i++) {
 194                 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,
 195                                  GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)
 196                         return;
 197                 nanosleep(&ts, NULL);
 198         }
 199         die("cannot grab keyboard\n");
 200 }
 201
 202 static void
 203 match(void)
 204 {
 205         static char **tokv = NULL;
 206         static int tokn = 0;
 207
 208         char buf[sizeof text], *s;
 209         int i, tokc = 0;
 210         size_t len, textsize;
 211         struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
 212
 213         strcpy(buf, text);
 214         /* separate input text into tokens to be matched individually */
 215         for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
 216                 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
 217                         die("cannot realloc %u bytes\n", tokn * sizeof *tokv);
 218         len = tokc ? strlen(tokv[0]) : 0;
 219
 220         matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
 221         textsize = strlen(text);
 222         for (item = items; item && item->text; item++) {
 223                 for (i = 0; i < tokc; i++)
 224                         if (!fstrstr(item->text, tokv[i]))
 225                                 break;
 226                 if (i != tokc) /* not all tokens match */
 227                         continue;
 228                 /* exact matches go first, then prefixes, then substrings */
 229                 if (!tokc || !fstrncmp(text, item->text, textsize))
 230                         appenditem(item, &matches, &matchend);
 231                 else if (!fstrncmp(tokv[0], item->text, len))
 232                         appenditem(item, &lprefix, &prefixend);
 233                 else
 234                         appenditem(item, &lsubstr, &substrend);
 235         }
 236         if (lprefix) {
 237                 if (matches) {
 238                         matchend->right = lprefix;
 239                         lprefix->left = matchend;
 240                 } else
 241                         matches = lprefix;
 242                 matchend = prefixend;
 243         }
 244         if (lsubstr) {
 245                 if (matches) {
 246                         matchend->right = lsubstr;
 247                         lsubstr->left = matchend;
 248                 } else
 249                         matches = lsubstr;
 250                 matchend = substrend;
 251         }
 252         curr = sel = matches;
 253         calcoffsets();
 254 }
 255
 256 static void
 257 insert(const char *str, ssize_t n)
 258 {
 259         if (strlen(text) + n > sizeof text - 1)
 260                 return;
 261         /* move existing text out of the way, insert new text, and update cursor */
 262         memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
 263         if (n > 0)
 264                 memcpy(&text[cursor], str, n);
 265         cursor += n;
 266         match();
 267 }
 268
 269 static size_t
 270 nextrune(int inc)
 271 {
 272         ssize_t n;
 273
 274         /* return location of next utf8 rune in the given direction (+1 or -1) */
 275         for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
 276                 ;
 277         return n;
 278 }
 279
 280 static void
 281 keypress(XKeyEvent *ev)
 282 {
 283         char buf[32];
 284         int len;
 285         KeySym ksym = NoSymbol;
 286         Status status;
 287
 288         len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
 289         if (status == XBufferOverflow)
 290                 return;
 291         if (ev->state & ControlMask)
 292                 switch(ksym) {
 293                 case XK_a: ksym = XK_Home;      break;
 294                 case XK_b: ksym = XK_Left;      break;
 295                 case XK_c: ksym = XK_Escape;    break;
 296                 case XK_d: ksym = XK_Delete;    break;
 297                 case XK_e: ksym = XK_End;       break;
 298                 case XK_f: ksym = XK_Right;     break;
 299                 case XK_g: ksym = XK_Escape;    break;
 300                 case XK_h: ksym = XK_BackSpace; break;
 301                 case XK_i: ksym = XK_Tab;       break;
 302                 case XK_j: /* fallthrough */
 303                 case XK_J: /* fallthrough */
 304                 case XK_m: /* fallthrough */
 305                 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
 306                 case XK_n: ksym = XK_Down;      break;
 307                 case XK_p: ksym = XK_Up;        break;
 308
 309                 case XK_k: /* delete right */
 310                         text[cursor] = '\0';
 311                         match();
 312                         break;
 313                 case XK_u: /* delete left */
 314                         insert(NULL, 0 - cursor);
 315                         break;
 316                 case XK_w: /* delete word */
 317                         while (cursor > 0 && strchr(worddelimiters,
 318                                text[nextrune(-1)]))
 319                                 insert(NULL, nextrune(-1) - cursor);
 320                         while (cursor > 0 && !strchr(worddelimiters,
 321                                text[nextrune(-1)]))
 322                                 insert(NULL, nextrune(-1) - cursor);
 323                         break;
 324                 case XK_y: /* paste selection */
 325                 case XK_Y:
 326                         XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
 327                                           utf8, utf8, win, CurrentTime);
 328                         return;
 329                 case XK_Return:
 330                 case XK_KP_Enter:
 331                         break;
 332                 case XK_bracketleft:
 333                         cleanup();
 334                         exit(1);
 335                 default:
 336                         return;
 337                 }
 338         else if (ev->state & Mod1Mask)
 339                 switch(ksym) {
 340                 case XK_g: ksym = XK_Home;  break;
 341                 case XK_G: ksym = XK_End;   break;
 342                 case XK_h: ksym = XK_Up;    break;
 343                 case XK_j: ksym = XK_Next;  break;
 344                 case XK_k: ksym = XK_Prior; break;
 345                 case XK_l: ksym = XK_Down;  break;
 346                 default:
 347                         return;
 348                 }
 349         switch(ksym) {
 350         default:
 351                 if (!iscntrl(*buf))
 352                         insert(buf, len);
 353                 break;
 354         case XK_Delete:
 355                 if (text[cursor] == '\0')
 356                         return;
 357                 cursor = nextrune(+1);
 358                 /* fallthrough */
 359         case XK_BackSpace:
 360                 if (cursor == 0)
 361                         return;
 362                 insert(NULL, nextrune(-1) - cursor);
 363                 break;
 364         case XK_End:
 365                 if (text[cursor] != '\0') {
 366                         cursor = strlen(text);
 367                         break;
 368                 }
 369                 if (next) {
 370                         /* jump to end of list and position items in reverse */
 371                         curr = matchend;
 372                         calcoffsets();
 373                         curr = prev;
 374                         calcoffsets();
 375                         while (next && (curr = curr->right))
 376                                 calcoffsets();
 377                 }
 378                 sel = matchend;
 379                 break;
 380         case XK_Escape:
 381                 cleanup();
 382                 exit(1);
 383         case XK_Home:
 384                 if (sel == matches) {
 385                         cursor = 0;
 386                         break;
 387                 }
 388                 sel = curr = matches;
 389                 calcoffsets();
 390                 break;
 391         case XK_Left:
 392                 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
 393                         cursor = nextrune(-1);
 394                         break;
 395                 }
 396                 if (lines > 0)
 397                         return;
 398                 /* fallthrough */
 399         case XK_Up:
 400                 if (sel && sel->left && (sel = sel->left)->right == curr) {
 401                         curr = prev;
 402                         calcoffsets();
 403                 }
 404                 break;
 405         case XK_Next:
 406                 if (!next)
 407                         return;
 408                 sel = curr = next;
 409                 calcoffsets();
 410                 break;
 411         case XK_Prior:
 412                 if (!prev)
 413                         return;
 414                 sel = curr = prev;
 415                 calcoffsets();
 416                 break;
 417         case XK_Return:
 418         case XK_KP_Enter:
 419                 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
 420                 if (!(ev->state & ControlMask)) {
 421                         cleanup();
 422                         exit(0);
 423                 }
 424                 if (sel)
 425                         sel->out = 1;
 426                 break;
 427         case XK_Right:
 428                 if (text[cursor] != '\0') {
 429                         cursor = nextrune(+1);
 430                         break;
 431                 }
 432                 if (lines > 0)
 433                         return;
 434                 /* fallthrough */
 435         case XK_Down:
 436                 if (sel && sel->right && (sel = sel->right) == next) {
 437                         curr = next;
 438                         calcoffsets();
 439                 }
 440                 break;
 441         case XK_Tab:
 442                 if (!sel)
 443                         return;
 444                 strncpy(text, sel->text, sizeof text - 1);
 445                 text[sizeof text - 1] = '\0';
 446                 cursor = strlen(text);
 447                 match();
 448                 break;
 449         }
 450         drawmenu();
 451 }
 452
 453 static void
 454 paste(void)
 455 {
 456         char *p, *q;
 457         int di;
 458         unsigned long dl;
 459         Atom da;
 460
 461         /* we have been given the current selection, now insert it into input */
 462         XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
 463                            utf8, &da, &di, &dl, &dl, (unsigned char **)&p);
 464         insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
 465         XFree(p);
 466         drawmenu();
 467 }
 468
 469 static void
 470 readstdin(void)
 471 {
 472         char buf[sizeof text], *p, *maxstr = NULL;
 473         size_t i, max = 0, size = 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                 if (strlen(items[i].text) > max)
 486                         max = strlen(maxstr = items[i].text);
 487         }
 488         if (items)
 489                 items[i].text = NULL;
 490         inputw = maxstr ? TEXTW(maxstr) : 0;
 491         lines = MIN(lines, i);
 492 }
 493
 494 static void
 495 run(void)
 496 {
 497         XEvent ev;
 498
 499         while (!XNextEvent(dpy, &ev)) {
 500                 if (XFilterEvent(&ev, win))
 501                         continue;
 502                 switch(ev.type) {
 503                 case Expose:
 504                         if (ev.xexpose.count == 0)
 505                                 drw_map(drw, win, 0, 0, mw, mh);
 506                         break;
 507                 case KeyPress:
 508                         keypress(&ev.xkey);
 509                         break;
 510                 case SelectionNotify:
 511                         if (ev.xselection.property == utf8)
 512                                 paste();
 513                         break;
 514                 case VisibilityNotify:
 515                         if (ev.xvisibility.state != VisibilityUnobscured)
 516                                 XRaiseWindow(dpy, win);
 517                         break;
 518                 }
 519         }
 520 }
 521
 522 static void
 523 setup(void)
 524 {
 525         int x, y;
 526         XSetWindowAttributes swa;
 527         XIM xim;
 528 #ifdef XINERAMA
 529         XineramaScreenInfo *info;
 530         Window w, pw, dw, *dws;
 531         XWindowAttributes wa;
 532         int a, j, di, n, i = 0, area = 0;
 533         unsigned int du;
 534 #endif
 535
 536         /* init appearance */
 537         scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);
 538         scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);
 539         scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);
 540         scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);
 541         scheme[SchemeOut].bg = drw_clr_create(drw, outbgcolor);
 542         scheme[SchemeOut].fg = drw_clr_create(drw, outfgcolor);
 543
 544         clip = XInternAtom(dpy, "CLIPBOARD",   False);
 545         utf8 = XInternAtom(dpy, "UTF8_STRING", False);
 546
 547         /* calculate menu geometry */
 548         bh = drw->fonts[0]->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) : 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].bg->pix;
 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                         normbgcolor = argv[++i];
 648                 else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
 649                         normfgcolor = argv[++i];
 650                 else if (!strcmp(argv[i], "-sb"))  /* selected background color */
 651                         selbgcolor = argv[++i];
 652                 else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 653                         selfgcolor = 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         drw_load_fonts(drw, fonts, LENGTH(fonts));
 667         if (!drw->fontcount)
 668                 die("no fonts could be loaded.\n");
 669         drw_setscheme(drw, &scheme[SchemeNorm]);
 670
 671         if (fast) {
 672                 grabkeyboard();
 673                 readstdin();
 674         } else {
 675                 readstdin();
 676                 grabkeyboard();
 677         }
 678         setup();
 679         run();
 680
 681         return 1; /* unreachable */
 682 }