dmenu.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <ctype.h>
   3 #include <locale.h>
   4 #include <stdarg.h>
   5 #include <stdlib.h>
   6 #include <stdio.h>
   7 #include <string.h>
   8 #include <unistd.h>
   9 #include <X11/Xlib.h>
  10 #include <X11/Xutil.h>
  11 #include <X11/keysym.h>
  12
  13 /* macros */
  14 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
  15
  16 /* enums */
  17 enum { ColFG, ColBG, ColLast };
  18
  19 /* typedefs */
  20 typedef struct {
  21         int x, y, w, h;
  22         unsigned long norm[ColLast];
  23         unsigned long sel[ColLast];
  24         Drawable drawable;
  25         GC gc;
  26         struct {
  27                 XFontStruct *xfont;
  28                 XFontSet set;
  29                 int ascent;
  30                 int descent;
  31                 int height;
  32         } font;
  33 } DC; /* draw context */
  34
  35 typedef struct Item Item;
  36 struct Item {
  37         char *text;
  38         Item *next;             /* traverses all items */
  39         Item *left, *right;     /* traverses items matching current search pattern */
  40 };
  41
  42 /* forward declarations */
  43 void appenditem(Item *i, Item **list, Item **last);
  44 void calcoffsets(void);
  45 char *cistrstr(const char *s, const char *sub);
  46 void cleanup(void);
  47 void drawmenu(void);
  48 void drawtext(const char *text, unsigned long col[ColLast]);
  49 void *emalloc(unsigned int size);
  50 void eprint(const char *errstr, ...);
  51 char *estrdup(const char *str);
  52 unsigned long getcolor(const char *colstr);
  53 Bool grabkeyboard(void);
  54 void initfont(const char *fontstr);
  55 void kpress(XKeyEvent * e);
  56 void match(char *pattern);
  57 void readstdin(void);
  58 void run(void);
  59 void setup(int x, int y, int w);
  60 unsigned int textnw(const char *text, unsigned int len);
  61 unsigned int textw(const char *text);
  62
  63 #include "config.h"
  64
  65 /* variables */
  66 char *font = FONT;
  67 char *maxname = NULL;
  68 char *normbg = NORMBGCOLOR;
  69 char *normfg = NORMFGCOLOR;
  70 char *prompt = NULL;
  71 char *selbg = SELBGCOLOR;
  72 char *selfg = SELFGCOLOR;
  73 char text[4096];
  74 int screen;
  75 int ret = 0;
  76 unsigned int cmdw = 0;
  77 unsigned int mw, mh;
  78 unsigned int promptw = 0;
  79 unsigned int numlockmask = 0;
  80 Bool running = True;
  81 Display *dpy;
  82 DC dc = {0};
  83 Item *allitems = NULL;  /* first of all items */
  84 Item *item = NULL;      /* first of pattern matching items */
  85 Item *sel = NULL;
  86 Item *next = NULL;
  87 Item *prev = NULL;
  88 Item *curr = NULL;
  89 Window root, win;
  90 int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
  91 char *(*fstrstr)(const char *, const char *) = strstr;
  92
  93 void
  94 appenditem(Item *i, Item **list, Item **last) {
  95         if(!(*last))
  96                 *list = i;
  97         else
  98                 (*last)->right = i;
  99         i->left = *last;
 100         i->right = NULL;
 101         *last = i;
 102 }
 103
 104 void
 105 calcoffsets(void) {
 106         unsigned int tw, w;
 107
 108         if(!curr)
 109                 return;
 110         w = promptw + cmdw + 2 * SPACE;
 111         for(next = curr; next; next=next->right) {
 112                 tw = textw(next->text);
 113                 if(tw > mw / 3)
 114                         tw = mw / 3;
 115                 w += tw;
 116                 if(w > mw)
 117                         break;
 118         }
 119         w = promptw + cmdw + 2 * SPACE;
 120         for(prev = curr; prev && prev->left; prev=prev->left) {
 121                 tw = textw(prev->left->text);
 122                 if(tw > mw / 3)
 123                         tw = mw / 3;
 124                 w += tw;
 125                 if(w > mw)
 126                         break;
 127         }
 128 }
 129
 130 char *
 131 cistrstr(const char *s, const char *sub) {
 132         int c, csub;
 133         unsigned int len;
 134
 135         if(!sub)
 136                 return (char *)s;
 137         if((c = *sub++) != 0) {
 138                 c = tolower(c);
 139                 len = strlen(sub);
 140                 do {
 141                         do {
 142                                 if((csub = *s++) == 0)
 143                                         return (NULL);
 144                         }
 145                         while(tolower(csub) != c);
 146                 }
 147                 while(strncasecmp(s, sub, len) != 0);
 148                 s--;
 149         }
 150         return (char *)s;
 151 }
 152
 153 void
 154 cleanup(void) {
 155         Item *itm;
 156
 157         while(allitems) {
 158                 itm = allitems->next;
 159                 free(allitems->text);
 160                 free(allitems);
 161                 allitems = itm;
 162         }
 163         if(dc.font.set)
 164                 XFreeFontSet(dpy, dc.font.set);
 165         else
 166                 XFreeFont(dpy, dc.font.xfont);
 167         XFreePixmap(dpy, dc.drawable);
 168         XFreeGC(dpy, dc.gc);
 169         XDestroyWindow(dpy, win);
 170         XUngrabKeyboard(dpy, CurrentTime);
 171 }
 172
 173 void
 174 drawmenu(void) {
 175         Item *i;
 176
 177         dc.x = 0;
 178         dc.y = 0;
 179         dc.w = mw;
 180         dc.h = mh;
 181         drawtext(NULL, dc.norm);
 182         /* print prompt? */
 183         if(promptw) {
 184                 dc.w = promptw;
 185                 drawtext(prompt, dc.sel);
 186         }
 187         dc.x += promptw;
 188         dc.w = mw - promptw;
 189         /* print command */
 190         if(cmdw && item)
 191                 dc.w = cmdw;
 192         drawtext(text[0] ? text : NULL, dc.norm);
 193         dc.x += cmdw;
 194         if(curr) {
 195                 dc.w = SPACE;
 196                 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
 197                 dc.x += dc.w;
 198                 /* determine maximum items */
 199                 for(i = curr; i != next; i=i->right) {
 200                         dc.w = textw(i->text);
 201                         if(dc.w > mw / 3)
 202                                 dc.w = mw / 3;
 203                         drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
 204                         dc.x += dc.w;
 205                 }
 206                 dc.x = mw - SPACE;
 207                 dc.w = SPACE;
 208                 drawtext(next ? ">" : NULL, dc.norm);
 209         }
 210         XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
 211         XFlush(dpy);
 212 }
 213
 214 void
 215 drawtext(const char *text, unsigned long col[ColLast]) {
 216         int x, y, w, h;
 217         static char buf[256];
 218         unsigned int len, olen;
 219         XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 220
 221         XSetForeground(dpy, dc.gc, col[ColBG]);
 222         XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 223         if(!text)
 224                 return;
 225         w = 0;
 226         olen = len = strlen(text);
 227         if(len >= sizeof buf)
 228                 len = sizeof buf - 1;
 229         memcpy(buf, text, len);
 230         buf[len] = 0;
 231         h = dc.font.ascent + dc.font.descent;
 232         y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
 233         x = dc.x + (h / 2);
 234         /* shorten text if necessary */
 235         while(len && (w = textnw(buf, len)) > dc.w - h)
 236                 buf[--len] = 0;
 237         if(len < olen) {
 238                 if(len > 1)
 239                         buf[len - 1] = '.';
 240                 if(len > 2)
 241                         buf[len - 2] = '.';
 242                 if(len > 3)
 243                         buf[len - 3] = '.';
 244         }
 245         if(w > dc.w)
 246                 return; /* too long */
 247         XSetForeground(dpy, dc.gc, col[ColFG]);
 248         if(dc.font.set)
 249                 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
 250         else
 251                 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 252 }
 253
 254 void *
 255 emalloc(unsigned int size) {
 256         void *res = malloc(size);
 257
 258         if(!res)
 259                 eprint("fatal: could not malloc() %u bytes\n", size);
 260         return res;
 261 }
 262
 263 void
 264 eprint(const char *errstr, ...) {
 265         va_list ap;
 266
 267         va_start(ap, errstr);
 268         vfprintf(stderr, errstr, ap);
 269         va_end(ap);
 270         exit(EXIT_FAILURE);
 271 }
 272
 273 char *
 274 estrdup(const char *str) {
 275         void *res = strdup(str);
 276
 277         if(!res)
 278                 eprint("fatal: could not malloc() %u bytes\n", strlen(str));
 279         return res;
 280 }
 281
 282 unsigned long
 283 getcolor(const char *colstr) {
 284         Colormap cmap = DefaultColormap(dpy, screen);
 285         XColor color;
 286
 287         if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
 288                 eprint("error, cannot allocate color '%s'\n", colstr);
 289         return color.pixel;
 290 }
 291
 292 Bool
 293 grabkeyboard(void) {
 294         unsigned int len;
 295
 296         for(len = 1000; len; len--) {
 297                 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
 298                 == GrabSuccess)
 299                         break;
 300                 usleep(1000);
 301         }
 302         return len > 0;
 303 }
 304
 305 void
 306 initfont(const char *fontstr) {
 307         char *def, **missing;
 308         int i, n;
 309
 310         if(!fontstr || fontstr[0] == '\0')
 311                 eprint("error, cannot load font: '%s'\n", fontstr);
 312         missing = NULL;
 313         if(dc.font.set)
 314                 XFreeFontSet(dpy, dc.font.set);
 315         dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
 316         if(missing)
 317                 XFreeStringList(missing);
 318         if(dc.font.set) {
 319                 XFontSetExtents *font_extents;
 320                 XFontStruct **xfonts;
 321                 char **font_names;
 322                 dc.font.ascent = dc.font.descent = 0;
 323                 font_extents = XExtentsOfFontSet(dc.font.set);
 324                 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
 325                 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
 326                         if(dc.font.ascent < (*xfonts)->ascent)
 327                                 dc.font.ascent = (*xfonts)->ascent;
 328                         if(dc.font.descent < (*xfonts)->descent)
 329                                 dc.font.descent = (*xfonts)->descent;
 330                         xfonts++;
 331                 }
 332         }
 333         else {
 334                 if(dc.font.xfont)
 335                         XFreeFont(dpy, dc.font.xfont);
 336                 dc.font.xfont = NULL;
 337                 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
 338                 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
 339                         eprint("error, cannot load font: '%s'\n", fontstr);
 340                 dc.font.ascent = dc.font.xfont->ascent;
 341                 dc.font.descent = dc.font.xfont->descent;
 342         }
 343         dc.font.height = dc.font.ascent + dc.font.descent;
 344 }
 345
 346 void
 347 kpress(XKeyEvent * e) {
 348         char buf[32];
 349         int i, num;
 350         unsigned int len;
 351         KeySym ksym;
 352
 353         len = strlen(text);
 354         buf[0] = 0;
 355         num = XLookupString(e, buf, sizeof buf, &ksym, 0);
 356         if(IsKeypadKey(ksym))
 357                 if(ksym == XK_KP_Enter)
 358                         ksym = XK_Return;
 359                 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
 360                         ksym = (ksym - XK_KP_0) + XK_0;
 361         if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
 362         || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
 363         || IsPrivateKeypadKey(ksym))
 364                 return;
 365         /* first check if a control mask is omitted */
 366         if(e->state & ControlMask) {
 367                 switch (ksym) {
 368                 default:        /* ignore other control sequences */
 369                         return;
 370                 case XK_bracketleft:
 371                         ksym = XK_Escape;
 372                         break;
 373                 case XK_h:
 374                 case XK_H:
 375                         ksym = XK_BackSpace;
 376                         break;
 377                 case XK_i:
 378                 case XK_I:
 379                         ksym = XK_Tab;
 380                         break;
 381                 case XK_j:
 382                 case XK_J:
 383                         ksym = XK_Return;
 384                         break;
 385                 case XK_u:
 386                 case XK_U:
 387                         text[0] = 0;
 388                         match(text);
 389                         drawmenu();
 390                         return;
 391                 case XK_w:
 392                 case XK_W:
 393                         if(len) {
 394                                 i = len - 1;
 395                                 while(i >= 0 && text[i] == ' ')
 396                                         text[i--] = 0;
 397                                 while(i >= 0 && text[i] != ' ')
 398                                         text[i--] = 0;
 399                                 match(text);
 400                                 drawmenu();
 401                         }
 402                         return;
 403                 }
 404         }
 405         if(CLEANMASK(e->state) & Mod1Mask) {
 406                 switch(ksym) {
 407                 default: return;
 408                 case XK_h:
 409                         ksym = XK_Left;
 410                         break;
 411                 case XK_l:
 412                         ksym = XK_Right;
 413                         break;
 414                 case XK_j:
 415                         ksym = XK_Next;
 416                         break;
 417                 case XK_k:
 418                         ksym = XK_Prior;
 419                         break;
 420                 case XK_g:
 421                         ksym = XK_Home;
 422                         break;
 423                 case XK_G:
 424                         ksym = XK_End;
 425                         break;
 426                 }
 427         }
 428         switch(ksym) {
 429         default:
 430                 if(num && !iscntrl((int) buf[0])) {
 431                         buf[num] = 0;
 432                         if(len > 0)
 433                                 strncat(text, buf, sizeof text);
 434                         else
 435                                 strncpy(text, buf, sizeof text);
 436                         match(text);
 437                 }
 438                 break;
 439         case XK_BackSpace:
 440                 if(len) {
 441                         text[--len] = 0;
 442                         match(text);
 443                 }
 444                 break;
 445         case XK_End:
 446                 if(!item)
 447                         return;
 448                 while(next) {
 449                         sel = curr = next;
 450                         calcoffsets();
 451                 }
 452                 while(sel && sel->right)
 453                         sel = sel->right;
 454                 break;
 455         case XK_Escape:
 456                 ret = 1;
 457                 running = False;
 458                 break;
 459         case XK_Home:
 460                 if(!item)
 461                         return;
 462                 sel = curr = item;
 463                 calcoffsets();
 464                 break;
 465         case XK_Left:
 466                 if(!(sel && sel->left))
 467                         return;
 468                 sel=sel->left;
 469                 if(sel->right == curr) {
 470                         curr = prev;
 471                         calcoffsets();
 472                 }
 473                 break;
 474         case XK_Next:
 475                 if(!next)
 476                         return;
 477                 sel = curr = next;
 478                 calcoffsets();
 479                 break;
 480         case XK_Prior:
 481                 if(!prev)
 482                         return;
 483                 sel = curr = prev;
 484                 calcoffsets();
 485                 break;
 486         case XK_Return:
 487                 if((e->state & ShiftMask) && text)
 488                         fprintf(stdout, "%s", text);
 489                 else if(sel)
 490                         fprintf(stdout, "%s", sel->text);
 491                 else if(text)
 492                         fprintf(stdout, "%s", text);
 493                 fflush(stdout);
 494                 running = False;
 495                 break;
 496         case XK_Right:
 497                 if(!(sel && sel->right))
 498                         return;
 499                 sel=sel->right;
 500                 if(sel == next) {
 501                         curr = next;
 502                         calcoffsets();
 503                 }
 504                 break;
 505         case XK_Tab:
 506                 if(!sel)
 507                         return;
 508                 strncpy(text, sel->text, sizeof text);
 509                 match(text);
 510                 break;
 511         }
 512         drawmenu();
 513 }
 514
 515 void
 516 match(char *pattern) {
 517         unsigned int plen;
 518         Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
 519
 520         if(!pattern)
 521                 return;
 522         plen = strlen(pattern);
 523         item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
 524         for(i = allitems; i; i = i->next)
 525                 if(!fstrncmp(pattern, i->text, plen + 1))
 526                         appenditem(i, &lexact, &exactend);
 527                 else if(!fstrncmp(pattern, i->text, plen))
 528                         appenditem(i, &lprefix, &prefixend);
 529                 else if(fstrstr(i->text, pattern))
 530                         appenditem(i, &lsubstr, &substrend);
 531         if(lexact) {
 532                 item = lexact;
 533                 itemend = exactend;
 534         }
 535         if(lprefix) {
 536                 if(itemend) {
 537                         itemend->right = lprefix;
 538                         lprefix->left = itemend;
 539                 }
 540                 else
 541                         item = lprefix;
 542                 itemend = prefixend;
 543         }
 544         if(lsubstr) {
 545                 if(itemend) {
 546                         itemend->right = lsubstr;
 547                         lsubstr->left = itemend;
 548                 }
 549                 else
 550                         item = lsubstr;
 551         }
 552         curr = prev = next = sel = item;
 553         calcoffsets();
 554 }
 555
 556 void
 557 readstdin(void) {
 558         char *p, buf[1024];
 559         unsigned int len = 0, max = 0;
 560         Item *i, *new;
 561
 562         i = 0;
 563         while(fgets(buf, sizeof buf, stdin)) {
 564                 len = strlen(buf);
 565                 if (buf[len - 1] == '\n')
 566                         buf[len - 1] = 0;
 567                 p = estrdup(buf);
 568                 if(max < len) {
 569                         maxname = p;
 570                         max = len;
 571                 }
 572                 new = emalloc(sizeof(Item));
 573                 new->next = new->left = new->right = NULL;
 574                 new->text = p;
 575                 if(!i)
 576                         allitems = new;
 577                 else
 578                         i->next = new;
 579                 i = new;
 580         }
 581 }
 582
 583 void
 584 run(void) {
 585         XEvent ev;
 586
 587         /* main event loop */
 588         while(running && !XNextEvent(dpy, &ev))
 589                 switch (ev.type) {
 590                 default:        /* ignore all crap */
 591                         break;
 592                 case KeyPress:
 593                         kpress(&ev.xkey);
 594                         break;
 595                 case Expose:
 596                         if(ev.xexpose.count == 0)
 597                                 drawmenu();
 598                         break;
 599                 }
 600 }
 601
 602 void
 603 setup(int x, int y, int w) {
 604         unsigned int i, j;
 605         XModifierKeymap *modmap;
 606         XSetWindowAttributes wa;
 607
 608         /* init modifier map */
 609         modmap = XGetModifierMapping(dpy);
 610         for(i = 0; i < 8; i++)
 611                 for(j = 0; j < modmap->max_keypermod; j++) {
 612                         if(modmap->modifiermap[i * modmap->max_keypermod + j]
 613                         == XKeysymToKeycode(dpy, XK_Num_Lock))
 614                                 numlockmask = (1 << i);
 615                 }
 616         XFreeModifiermap(modmap);
 617
 618         /* style */
 619         dc.norm[ColBG] = getcolor(normbg);
 620         dc.norm[ColFG] = getcolor(normfg);
 621         dc.sel[ColBG] = getcolor(selbg);
 622         dc.sel[ColFG] = getcolor(selfg);
 623         initfont(font);
 624
 625         /* menu window */
 626         wa.override_redirect = 1;
 627         wa.background_pixmap = ParentRelative;
 628         wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
 629         mw = w ? w : DisplayWidth(dpy, screen);
 630         mh = dc.font.height + 2;
 631         if(y < 0) {
 632                 if(y == ((~(unsigned int)0)/2)+1)
 633                         y = DisplayHeight(dpy, screen) - mh;
 634                 else
 635                         y = (-1 * y) - mh;
 636         }
 637         win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 638                         DefaultDepth(dpy, screen), CopyFromParent,
 639                         DefaultVisual(dpy, screen),
 640                         CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 641
 642         /* pixmap */
 643         dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
 644         dc.gc = XCreateGC(dpy, root, 0, 0);
 645         XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
 646         if(!dc.font.set)
 647                 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 648         if(maxname)
 649                 cmdw = textw(maxname);
 650         if(cmdw > mw / 3)
 651                 cmdw = mw / 3;
 652         if(prompt)
 653                 promptw = textw(prompt);
 654         if(promptw > mw / 5)
 655                 promptw = mw / 5;
 656         text[0] = 0;
 657         match(text);
 658         XMapRaised(dpy, win);
 659 }
 660
 661 unsigned int
 662 textnw(const char *text, unsigned int len) {
 663         XRectangle r;
 664
 665         if(dc.font.set) {
 666                 XmbTextExtents(dc.font.set, text, len, NULL, &r);
 667                 return r.width;
 668         }
 669         return XTextWidth(dc.font.xfont, text, len);
 670 }
 671
 672 unsigned int
 673 textw(const char *text) {
 674         return textnw(text, strlen(text)) + dc.font.height;
 675 }
 676
 677 int
 678 main(int argc, char *argv[]) {
 679         int x = 0, y = 0, w = 0;
 680         unsigned int i;
 681
 682         /* command line args */
 683         for(i = 1; i < argc; i++)
 684                 if(!strcmp(argv[i], "-i")) {
 685                         fstrncmp = strncasecmp;
 686                         fstrstr = cistrstr;
 687                 }
 688                 else if(!strcmp(argv[i], "-fn")) {
 689                         if(++i < argc) font = argv[i];
 690                 }
 691                 else if(!strcmp(argv[i], "-nb")) {
 692                         if(++i < argc) normbg = argv[i];
 693                 }
 694                 else if(!strcmp(argv[i], "-nf")) {
 695                         if(++i < argc) normfg = argv[i];
 696                 }
 697                 else if(!strcmp(argv[i], "-p")) {
 698                         if(++i < argc) prompt = argv[i];
 699                 }
 700                 else if(!strcmp(argv[i], "-sb")) {
 701                         if(++i < argc) selbg = argv[i];
 702                 }
 703                 else if(!strcmp(argv[i], "-sf")) {
 704                         if(++i < argc) selfg = argv[i];
 705                 }
 706                 else if(!strcmp(argv[i], "-x")) {
 707                         if(++i < argc) x = atoi(argv[i]);
 708                 }
 709                 else if(!strcmp(argv[i], "-y")) {
 710                         if(++i < argc)
 711                                 if(!strcmp(argv[i], "-0"))
 712                                         y = ((~(unsigned int)0)/2)+1;
 713                                 else
 714                                         y = atoi(argv[i]);
 715                 }
 716                 else if(!strcmp(argv[i], "-w")) {
 717                         if(++i < argc) w = atoi(argv[i]);
 718                 }
 719                 else if(!strcmp(argv[i], "-v"))
 720                         eprint("dmenu-"VERSION", © 2006-2008 dmenu engineers, see LICENSE for details\n");
 721                 else
 722                         eprint("usage: dmenu [-i] [-fn <font>] [-nb <color>] [-nf <color>]\n"
 723                                "             [-p <prompt>] [-sb <color>] [-sf <color>]\n"
 724                                "             [-x <x>] [-y <y>] [-w <w>] [-v]\n");
 725         setlocale(LC_CTYPE, "");
 726         dpy = XOpenDisplay(0);
 727         if(!dpy)
 728                 eprint("dmenu: cannot open display\n");
 729         screen = DefaultScreen(dpy);
 730         root = RootWindow(dpy, screen);
 731
 732         if(isatty(STDIN_FILENO)) {
 733                 readstdin();
 734                 running = grabkeyboard();
 735         }
 736         else { /* prevent keypress loss */
 737                 running = grabkeyboard();
 738                 readstdin();
 739         }
 740
 741         setup(x, y, w);
 742         drawmenu();
 743         XSync(dpy, False);
 744         run();
 745         cleanup();
 746         XCloseDisplay(dpy);
 747         return ret;
 748 }