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 #ifdef XINERAMA
  13 #include <X11/extensions/Xinerama.h>
  14 #endif
  15
  16 /* macros */
  17 #define CLEANMASK(mask) (mask & ~(numlockmask | LockMask))
  18
  19 /* enums */
  20 enum { ColFG, ColBG, ColLast };
  21
  22 /* typedefs */
  23 typedef unsigned int uint;
  24 typedef unsigned long ulong;
  25 typedef struct {
  26         int x, y, w, h;
  27         ulong norm[ColLast];
  28         ulong sel[ColLast];
  29         Drawable drawable;
  30         GC gc;
  31         struct {
  32                 XFontStruct *xfont;
  33                 XFontSet set;
  34                 int ascent;
  35                 int descent;
  36                 int height;
  37         } font;
  38 } DC; /* draw context */
  39
  40 typedef struct Item Item;
  41 struct Item {
  42         char *text;
  43         Item *next;             /* traverses all items */
  44         Item *left, *right;     /* traverses items matching current search pattern */
  45 };
  46
  47 /* forward declarations */
  48 void appenditem(Item *i, Item **list, Item **last);
  49 void calcoffsets(void);
  50 char *cistrstr(const char *s, const char *sub);
  51 void cleanup(void);
  52 void drawmenu(void);
  53 void drawtext(const char *text, ulong col[ColLast]);
  54 void *emalloc(uint size);
  55 void eprint(const char *errstr, ...);
  56 char *estrdup(const char *str);
  57 ulong getcolor(const char *colstr);
  58 Bool grabkeyboard(void);
  59 void initfont(const char *fontstr);
  60 void kpress(XKeyEvent * e);
  61 void match(char *pattern);
  62 void readstdin(void);
  63 void run(void);
  64 void setup(Bool topbar);
  65 uint textnw(const char *text, uint len);
  66 uint textw(const char *text);
  67
  68 #include "config.h"
  69
  70 /* variables */
  71 char *font = FONT;
  72 char *maxname = NULL;
  73 char *normbg = NORMBGCOLOR;
  74 char *normfg = NORMFGCOLOR;
  75 char *prompt = NULL;
  76 char *selbg = SELBGCOLOR;
  77 char *selfg = SELFGCOLOR;
  78 char text[4096];
  79 int screen;
  80 int ret = 0;
  81 uint cmdw = 0;
  82 uint mw, mh;
  83 uint promptw = 0;
  84 uint numlockmask = 0;
  85 Bool running = True;
  86 Display *dpy;
  87 DC dc = {0};
  88 Item *allitems = NULL;  /* first of all items */
  89 Item *item = NULL;      /* first of pattern matching items */
  90 Item *sel = NULL;
  91 Item *next = NULL;
  92 Item *prev = NULL;
  93 Item *curr = NULL;
  94 Window root, win;
  95 int (*fstrncmp)(const char *, const char *, size_t n) = strncmp;
  96 char *(*fstrstr)(const char *, const char *) = strstr;
  97
  98 void
  99 appenditem(Item *i, Item **list, Item **last) {
 100         if(!(*last))
 101                 *list = i;
 102         else
 103                 (*last)->right = i;
 104         i->left = *last;
 105         i->right = NULL;
 106         *last = i;
 107 }
 108
 109 void
 110 calcoffsets(void) {
 111         uint tw, w;
 112
 113         if(!curr)
 114                 return;
 115         w = promptw + cmdw + 2 * SPACE;
 116         for(next = curr; next; next=next->right) {
 117                 tw = textw(next->text);
 118                 if(tw > mw / 3)
 119                         tw = mw / 3;
 120                 w += tw;
 121                 if(w > mw)
 122                         break;
 123         }
 124         w = promptw + cmdw + 2 * SPACE;
 125         for(prev = curr; prev && prev->left; prev=prev->left) {
 126                 tw = textw(prev->left->text);
 127                 if(tw > mw / 3)
 128                         tw = mw / 3;
 129                 w += tw;
 130                 if(w > mw)
 131                         break;
 132         }
 133 }
 134
 135 char *
 136 cistrstr(const char *s, const char *sub) {
 137         int c, csub;
 138         uint len;
 139
 140         if(!sub)
 141                 return (char *)s;
 142         if((c = *sub++) != 0) {
 143                 c = tolower(c);
 144                 len = strlen(sub);
 145                 do {
 146                         do {
 147                                 if((csub = *s++) == 0)
 148                                         return (NULL);
 149                         }
 150                         while(tolower(csub) != c);
 151                 }
 152                 while(strncasecmp(s, sub, len) != 0);
 153                 s--;
 154         }
 155         return (char *)s;
 156 }
 157
 158 void
 159 cleanup(void) {
 160         Item *itm;
 161
 162         while(allitems) {
 163                 itm = allitems->next;
 164                 free(allitems->text);
 165                 free(allitems);
 166                 allitems = itm;
 167         }
 168         if(dc.font.set)
 169                 XFreeFontSet(dpy, dc.font.set);
 170         else
 171                 XFreeFont(dpy, dc.font.xfont);
 172         XFreePixmap(dpy, dc.drawable);
 173         XFreeGC(dpy, dc.gc);
 174         XDestroyWindow(dpy, win);
 175         XUngrabKeyboard(dpy, CurrentTime);
 176 }
 177
 178 void
 179 drawmenu(void) {
 180         Item *i;
 181
 182         dc.x = 0;
 183         dc.y = 0;
 184         dc.w = mw;
 185         dc.h = mh;
 186         drawtext(NULL, dc.norm);
 187         /* print prompt? */
 188         if(promptw) {
 189                 dc.w = promptw;
 190                 drawtext(prompt, dc.sel);
 191         }
 192         dc.x += promptw;
 193         dc.w = mw - promptw;
 194         /* print command */
 195         if(cmdw && item)
 196                 dc.w = cmdw;
 197         drawtext(text[0] ? text : NULL, dc.norm);
 198         dc.x += cmdw;
 199         if(curr) {
 200                 dc.w = SPACE;
 201                 drawtext((curr && curr->left) ? "<" : NULL, dc.norm);
 202                 dc.x += dc.w;
 203                 /* determine maximum items */
 204                 for(i = curr; i != next; i=i->right) {
 205                         dc.w = textw(i->text);
 206                         if(dc.w > mw / 3)
 207                                 dc.w = mw / 3;
 208                         drawtext(i->text, (sel == i) ? dc.sel : dc.norm);
 209                         dc.x += dc.w;
 210                 }
 211                 dc.x = mw - SPACE;
 212                 dc.w = SPACE;
 213                 drawtext(next ? ">" : NULL, dc.norm);
 214         }
 215         XCopyArea(dpy, dc.drawable, win, dc.gc, 0, 0, mw, mh, 0, 0);
 216         XFlush(dpy);
 217 }
 218
 219 void
 220 drawtext(const char *text, ulong col[ColLast]) {
 221         int x, y, w, h;
 222         static char buf[256];
 223         uint len, olen;
 224         XRectangle r = { dc.x, dc.y, dc.w, dc.h };
 225
 226         XSetForeground(dpy, dc.gc, col[ColBG]);
 227         XFillRectangles(dpy, dc.drawable, dc.gc, &r, 1);
 228         if(!text)
 229                 return;
 230         w = 0;
 231         olen = len = strlen(text);
 232         if(len >= sizeof buf)
 233                 len = sizeof buf - 1;
 234         memcpy(buf, text, len);
 235         buf[len] = 0;
 236         h = dc.font.ascent + dc.font.descent;
 237         y = dc.y + (dc.h / 2) - (h / 2) + dc.font.ascent;
 238         x = dc.x + (h / 2);
 239         /* shorten text if necessary */
 240         while(len && (w = textnw(buf, len)) > dc.w - h)
 241                 buf[--len] = 0;
 242         if(len < olen) {
 243                 if(len > 1)
 244                         buf[len - 1] = '.';
 245                 if(len > 2)
 246                         buf[len - 2] = '.';
 247                 if(len > 3)
 248                         buf[len - 3] = '.';
 249         }
 250         if(w > dc.w)
 251                 return; /* too long */
 252         XSetForeground(dpy, dc.gc, col[ColFG]);
 253         if(dc.font.set)
 254                 XmbDrawString(dpy, dc.drawable, dc.font.set, dc.gc, x, y, buf, len);
 255         else
 256                 XDrawString(dpy, dc.drawable, dc.gc, x, y, buf, len);
 257 }
 258
 259 void *
 260 emalloc(uint size) {
 261         void *res = malloc(size);
 262
 263         if(!res)
 264                 eprint("fatal: could not malloc() %u bytes\n", size);
 265         return res;
 266 }
 267
 268 void
 269 eprint(const char *errstr, ...) {
 270         va_list ap;
 271
 272         va_start(ap, errstr);
 273         vfprintf(stderr, errstr, ap);
 274         va_end(ap);
 275         exit(EXIT_FAILURE);
 276 }
 277
 278 char *
 279 estrdup(const char *str) {
 280         void *res = strdup(str);
 281
 282         if(!res)
 283                 eprint("fatal: could not malloc() %u bytes\n", strlen(str));
 284         return res;
 285 }
 286
 287 ulong
 288 getcolor(const char *colstr) {
 289         Colormap cmap = DefaultColormap(dpy, screen);
 290         XColor color;
 291
 292         if(!XAllocNamedColor(dpy, cmap, colstr, &color, &color))
 293                 eprint("error, cannot allocate color '%s'\n", colstr);
 294         return color.pixel;
 295 }
 296
 297 Bool
 298 grabkeyboard(void) {
 299         uint len;
 300
 301         for(len = 1000; len; len--) {
 302                 if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
 303                 == GrabSuccess)
 304                         break;
 305                 usleep(1000);
 306         }
 307         return len > 0;
 308 }
 309
 310 void
 311 initfont(const char *fontstr) {
 312         char *def, **missing;
 313         int i, n;
 314
 315         if(!fontstr || fontstr[0] == '\0')
 316                 eprint("error, cannot load font: '%s'\n", fontstr);
 317         missing = NULL;
 318         if(dc.font.set)
 319                 XFreeFontSet(dpy, dc.font.set);
 320         dc.font.set = XCreateFontSet(dpy, fontstr, &missing, &n, &def);
 321         if(missing)
 322                 XFreeStringList(missing);
 323         if(dc.font.set) {
 324                 XFontSetExtents *font_extents;
 325                 XFontStruct **xfonts;
 326                 char **font_names;
 327                 dc.font.ascent = dc.font.descent = 0;
 328                 font_extents = XExtentsOfFontSet(dc.font.set);
 329                 n = XFontsOfFontSet(dc.font.set, &xfonts, &font_names);
 330                 for(i = 0, dc.font.ascent = 0, dc.font.descent = 0; i < n; i++) {
 331                         if(dc.font.ascent < (*xfonts)->ascent)
 332                                 dc.font.ascent = (*xfonts)->ascent;
 333                         if(dc.font.descent < (*xfonts)->descent)
 334                                 dc.font.descent = (*xfonts)->descent;
 335                         xfonts++;
 336                 }
 337         }
 338         else {
 339                 if(dc.font.xfont)
 340                         XFreeFont(dpy, dc.font.xfont);
 341                 dc.font.xfont = NULL;
 342                 if(!(dc.font.xfont = XLoadQueryFont(dpy, fontstr))
 343                 && !(dc.font.xfont = XLoadQueryFont(dpy, "fixed")))
 344                         eprint("error, cannot load font: '%s'\n", fontstr);
 345                 dc.font.ascent = dc.font.xfont->ascent;
 346                 dc.font.descent = dc.font.xfont->descent;
 347         }
 348         dc.font.height = dc.font.ascent + dc.font.descent;
 349 }
 350
 351 void
 352 kpress(XKeyEvent * e) {
 353         char buf[32];
 354         int i, num;
 355         uint len;
 356         KeySym ksym;
 357
 358         len = strlen(text);
 359         buf[0] = 0;
 360         num = XLookupString(e, buf, sizeof buf, &ksym, 0);
 361         if(IsKeypadKey(ksym))
 362                 if(ksym == XK_KP_Enter)
 363                         ksym = XK_Return;
 364                 else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
 365                         ksym = (ksym - XK_KP_0) + XK_0;
 366         if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
 367         || IsMiscFunctionKey(ksym) || IsPFKey(ksym)
 368         || IsPrivateKeypadKey(ksym))
 369                 return;
 370         /* first check if a control mask is omitted */
 371         if(e->state & ControlMask) {
 372                 switch (ksym) {
 373                 default:        /* ignore other control sequences */
 374                         return;
 375                 case XK_bracketleft:
 376                         ksym = XK_Escape;
 377                         break;
 378                 case XK_h:
 379                 case XK_H:
 380                         ksym = XK_BackSpace;
 381                         break;
 382                 case XK_i:
 383                 case XK_I:
 384                         ksym = XK_Tab;
 385                         break;
 386                 case XK_j:
 387                 case XK_J:
 388                         ksym = XK_Return;
 389                         break;
 390                 case XK_u:
 391                 case XK_U:
 392                         text[0] = 0;
 393                         match(text);
 394                         drawmenu();
 395                         return;
 396                 case XK_w:
 397                 case XK_W:
 398                         if(len) {
 399                                 i = len - 1;
 400                                 while(i >= 0 && text[i] == ' ')
 401                                         text[i--] = 0;
 402                                 while(i >= 0 && text[i] != ' ')
 403                                         text[i--] = 0;
 404                                 match(text);
 405                                 drawmenu();
 406                         }
 407                         return;
 408                 }
 409         }
 410         if(CLEANMASK(e->state) & Mod1Mask) {
 411                 switch(ksym) {
 412                 default: return;
 413                 case XK_h:
 414                         ksym = XK_Left;
 415                         break;
 416                 case XK_l:
 417                         ksym = XK_Right;
 418                         break;
 419                 case XK_j:
 420                         ksym = XK_Next;
 421                         break;
 422                 case XK_k:
 423                         ksym = XK_Prior;
 424                         break;
 425                 case XK_g:
 426                         ksym = XK_Home;
 427                         break;
 428                 case XK_G:
 429                         ksym = XK_End;
 430                         break;
 431                 }
 432         }
 433         switch(ksym) {
 434         default:
 435                 if(num && !iscntrl((int) buf[0])) {
 436                         buf[num] = 0;
 437                         if(len > 0)
 438                                 strncat(text, buf, sizeof text);
 439                         else
 440                                 strncpy(text, buf, sizeof text);
 441                         match(text);
 442                 }
 443                 break;
 444         case XK_BackSpace:
 445                 if(len) {
 446                         text[--len] = 0;
 447                         match(text);
 448                 }
 449                 break;
 450         case XK_End:
 451                 if(!item)
 452                         return;
 453                 while(next) {
 454                         sel = curr = next;
 455                         calcoffsets();
 456                 }
 457                 while(sel && sel->right)
 458                         sel = sel->right;
 459                 break;
 460         case XK_Escape:
 461                 ret = 1;
 462                 running = False;
 463                 break;
 464         case XK_Home:
 465                 if(!item)
 466                         return;
 467                 sel = curr = item;
 468                 calcoffsets();
 469                 break;
 470         case XK_Left:
 471                 if(!(sel && sel->left))
 472                         return;
 473                 sel=sel->left;
 474                 if(sel->right == curr) {
 475                         curr = prev;
 476                         calcoffsets();
 477                 }
 478                 break;
 479         case XK_Next:
 480                 if(!next)
 481                         return;
 482                 sel = curr = next;
 483                 calcoffsets();
 484                 break;
 485         case XK_Prior:
 486                 if(!prev)
 487                         return;
 488                 sel = curr = prev;
 489                 calcoffsets();
 490                 break;
 491         case XK_Return:
 492                 if((e->state & ShiftMask) && text)
 493                         fprintf(stdout, "%s", text);
 494                 else if(sel)
 495                         fprintf(stdout, "%s", sel->text);
 496                 else if(text)
 497                         fprintf(stdout, "%s", text);
 498                 fflush(stdout);
 499                 running = False;
 500                 break;
 501         case XK_Right:
 502                 if(!(sel && sel->right))
 503                         return;
 504                 sel=sel->right;
 505                 if(sel == next) {
 506                         curr = next;
 507                         calcoffsets();
 508                 }
 509                 break;
 510         case XK_Tab:
 511                 if(!sel)
 512                         return;
 513                 strncpy(text, sel->text, sizeof text);
 514                 match(text);
 515                 break;
 516         }
 517         drawmenu();
 518 }
 519
 520 void
 521 match(char *pattern) {
 522         uint plen;
 523         Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
 524
 525         if(!pattern)
 526                 return;
 527         plen = strlen(pattern);
 528         item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
 529         for(i = allitems; i; i = i->next)
 530                 if(!fstrncmp(pattern, i->text, plen + 1))
 531                         appenditem(i, &lexact, &exactend);
 532                 else if(!fstrncmp(pattern, i->text, plen))
 533                         appenditem(i, &lprefix, &prefixend);
 534                 else if(fstrstr(i->text, pattern))
 535                         appenditem(i, &lsubstr, &substrend);
 536         if(lexact) {
 537                 item = lexact;
 538                 itemend = exactend;
 539         }
 540         if(lprefix) {
 541                 if(itemend) {
 542                         itemend->right = lprefix;
 543                         lprefix->left = itemend;
 544                 }
 545                 else
 546                         item = lprefix;
 547                 itemend = prefixend;
 548         }
 549         if(lsubstr) {
 550                 if(itemend) {
 551                         itemend->right = lsubstr;
 552                         lsubstr->left = itemend;
 553                 }
 554                 else
 555                         item = lsubstr;
 556         }
 557         curr = prev = next = sel = item;
 558         calcoffsets();
 559 }
 560
 561 void
 562 readstdin(void) {
 563         char *p, buf[1024];
 564         uint len = 0, max = 0;
 565         Item *i, *new;
 566
 567         i = 0;
 568         while(fgets(buf, sizeof buf, stdin)) {
 569                 len = strlen(buf);
 570                 if (buf[len - 1] == '\n')
 571                         buf[len - 1] = 0;
 572                 p = estrdup(buf);
 573                 if(max < len) {
 574                         maxname = p;
 575                         max = len;
 576                 }
 577                 new = emalloc(sizeof(Item));
 578                 new->next = new->left = new->right = NULL;
 579                 new->text = p;
 580                 if(!i)
 581                         allitems = new;
 582                 else
 583                         i->next = new;
 584                 i = new;
 585         }
 586 }
 587
 588 void
 589 run(void) {
 590         XEvent ev;
 591
 592         /* main event loop */
 593         while(running && !XNextEvent(dpy, &ev))
 594                 switch (ev.type) {
 595                 default:        /* ignore all crap */
 596                         break;
 597                 case KeyPress:
 598                         kpress(&ev.xkey);
 599                         break;
 600                 case Expose:
 601                         if(ev.xexpose.count == 0)
 602                                 drawmenu();
 603                         break;
 604                 }
 605 }
 606
 607 void
 608 setup(Bool topbar) {
 609         int i, j, x, y;
 610         XModifierKeymap *modmap;
 611         XSetWindowAttributes wa;
 612 #if XINERAMA
 613         XineramaScreenInfo *info = NULL;
 614 #endif
 615
 616         /* init modifier map */
 617         modmap = XGetModifierMapping(dpy);
 618         for(i = 0; i < 8; i++)
 619                 for(j = 0; j < modmap->max_keypermod; j++) {
 620                         if(modmap->modifiermap[i * modmap->max_keypermod + j]
 621                         == XKeysymToKeycode(dpy, XK_Num_Lock))
 622                                 numlockmask = (1 << i);
 623                 }
 624         XFreeModifiermap(modmap);
 625
 626         /* style */
 627         dc.norm[ColBG] = getcolor(normbg);
 628         dc.norm[ColFG] = getcolor(normfg);
 629         dc.sel[ColBG] = getcolor(selbg);
 630         dc.sel[ColFG] = getcolor(selfg);
 631         initfont(font);
 632
 633         /* menu window */
 634         wa.override_redirect = 1;
 635         wa.background_pixmap = ParentRelative;
 636         wa.event_mask = ExposureMask | ButtonPressMask | KeyPressMask;
 637
 638         /* menu window geometry */
 639         mh = dc.font.height + 2;
 640 #if XINERAMA
 641         if(XineramaIsActive(dpy)) {
 642                 info = XineramaQueryScreens(dpy, &i);
 643                 x = info[0].x_org;
 644                 y = topbar ? info[0].y_org : info[0].y_org + info[0].height - mh;
 645                 mw = info[0].width;
 646                 XFree(info);
 647         }
 648         else
 649 #endif
 650         {
 651                 x = 0;
 652                 y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
 653                 mw = DisplayWidth(dpy, screen);
 654         }
 655
 656         win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
 657                         DefaultDepth(dpy, screen), CopyFromParent,
 658                         DefaultVisual(dpy, screen),
 659                         CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
 660
 661         /* pixmap */
 662         dc.drawable = XCreatePixmap(dpy, root, mw, mh, DefaultDepth(dpy, screen));
 663         dc.gc = XCreateGC(dpy, root, 0, 0);
 664         XSetLineAttributes(dpy, dc.gc, 1, LineSolid, CapButt, JoinMiter);
 665         if(!dc.font.set)
 666                 XSetFont(dpy, dc.gc, dc.font.xfont->fid);
 667         if(maxname)
 668                 cmdw = textw(maxname);
 669         if(cmdw > mw / 3)
 670                 cmdw = mw / 3;
 671         if(prompt)
 672                 promptw = textw(prompt);
 673         if(promptw > mw / 5)
 674                 promptw = mw / 5;
 675         text[0] = 0;
 676         match(text);
 677         XMapRaised(dpy, win);
 678 }
 679
 680 uint
 681 textnw(const char *text, uint len) {
 682         XRectangle r;
 683
 684         if(dc.font.set) {
 685                 XmbTextExtents(dc.font.set, text, len, NULL, &r);
 686                 return r.width;
 687         }
 688         return XTextWidth(dc.font.xfont, text, len);
 689 }
 690
 691 uint
 692 textw(const char *text) {
 693         return textnw(text, strlen(text)) + dc.font.height;
 694 }
 695
 696 int
 697 main(int argc, char *argv[]) {
 698         uint i;
 699         Bool topbar = True;
 700
 701         /* command line args */
 702         for(i = 1; i < argc; i++)
 703                 if(!strcmp(argv[i], "-i")) {
 704                         fstrncmp = strncasecmp;
 705                         fstrstr = cistrstr;
 706                 }
 707                 else if(!strcmp(argv[i], "-b"))
 708                         topbar = False;
 709                 else if(!strcmp(argv[i], "-fn")) {
 710                         if(++i < argc) font = argv[i];
 711                 }
 712                 else if(!strcmp(argv[i], "-nb")) {
 713                         if(++i < argc) normbg = argv[i];
 714                 }
 715                 else if(!strcmp(argv[i], "-nf")) {
 716                         if(++i < argc) normfg = argv[i];
 717                 }
 718                 else if(!strcmp(argv[i], "-p")) {
 719                         if(++i < argc) prompt = argv[i];
 720                 }
 721                 else if(!strcmp(argv[i], "-sb")) {
 722                         if(++i < argc) selbg = argv[i];
 723                 }
 724                 else if(!strcmp(argv[i], "-sf")) {
 725                         if(++i < argc) selfg = argv[i];
 726                 }
 727                 else if(!strcmp(argv[i], "-v"))
 728                         eprint("dmenu-"VERSION", © 2006-2008 dmenu engineers, see LICENSE for details\n");
 729                 else
 730                         eprint("usage: dmenu [-i] [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
 731                                "             [-p <prompt>] [-sb <color>] [-sf <color>] [-v]\n");
 732         setlocale(LC_CTYPE, "");
 733         if(!(dpy = XOpenDisplay(0)))
 734                 eprint("dmenu: cannot open display\n");
 735         screen = DefaultScreen(dpy);
 736         root = RootWindow(dpy, screen);
 737
 738         if(isatty(STDIN_FILENO)) {
 739                 readstdin();
 740                 running = grabkeyboard();
 741         }
 742         else { /* prevent keypress loss */
 743                 running = grabkeyboard();
 744                 readstdin();
 745         }
 746
 747         setup(topbar);
 748         drawmenu();
 749         XSync(dpy, False);
 750         run();
 751         cleanup();
 752         XCloseDisplay(dpy);
 753         return ret;
 754 }