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[dmenu.git] / 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 char *embed;
38 static int bh, mw, mh;
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, parentwin, win;
50 static XIC xic;
51
52 static Drw *drw;
53 static Clr *scheme[SchemeLast];
54
55 #include "config.h"
56
57 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
58 static char *(*fstrstr)(const char *, const char *) = strstr;
59
60 static void
61 appenditem(struct item *item, struct item **list, struct item **last)
62 {
63 if (*last)
64 (*last)->right = item;
65 else
66 *list = item;
67
68 item->left = *last;
69 item->right = NULL;
70 *last = item;
71 }
72
73 static void
74 calcoffsets(void)
75 {
76 int i, n;
77
78 if (lines > 0)
79 n = lines * bh;
80 else
81 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
82 /* calculate which items will begin the next page and previous page */
83 for (i = 0, next = curr; next; next = next->right)
84 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
85 break;
86 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
87 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
88 break;
89 }
90
91 static void
92 cleanup(void)
93 {
94 size_t i;
95
96 XUngrabKey(dpy, AnyKey, AnyModifier, root);
97 for (i = 0; i < SchemeLast; i++)
98 free(scheme[i]);
99 drw_free(drw);
100 XSync(dpy, False);
101 XCloseDisplay(dpy);
102 }
103
104 static char *
105 cistrstr(const char *s, const char *sub)
106 {
107 size_t len;
108
109 for (len = strlen(sub); *s; s++)
110 if (!strncasecmp(s, sub, len))
111 return (char *)s;
112 return NULL;
113 }
114
115 static int
116 drawitem(struct item *item, int x, int y, int w)
117 {
118 if (item == sel)
119 drw_setscheme(drw, scheme[SchemeSel]);
120 else if (item->out)
121 drw_setscheme(drw, scheme[SchemeOut]);
122 else
123 drw_setscheme(drw, scheme[SchemeNorm]);
124
125 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
126 }
127
128 static void
129 drawmenu(void)
130 {
131 unsigned int curpos;
132 struct item *item;
133 int x = 0, y = 0, w;
134
135 drw_setscheme(drw, scheme[SchemeNorm]);
136 drw_rect(drw, 0, 0, mw, mh, 1, 1);
137
138 if (prompt && *prompt) {
139 drw_setscheme(drw, scheme[SchemeSel]);
140 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
141 }
142 /* draw input field */
143 w = (lines > 0 || !matches) ? mw - x : inputw;
144 drw_setscheme(drw, scheme[SchemeNorm]);
145 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
146
147 curpos = TEXTW(text) - TEXTW(&text[cursor]);
148 if ((curpos += lrpad / 2 - 1) < w) {
149 drw_setscheme(drw, scheme[SchemeNorm]);
150 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
151 }
152
153 if (lines > 0) {
154 /* draw vertical list */
155 for (item = curr; item != next; item = item->right)
156 drawitem(item, x, y += bh, mw - x);
157 } else if (matches) {
158 /* draw horizontal list */
159 x += inputw;
160 w = TEXTW("<");
161 if (curr->left) {
162 drw_setscheme(drw, scheme[SchemeNorm]);
163 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
164 }
165 x += w;
166 for (item = curr; item != next; item = item->right)
167 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
168 if (next) {
169 w = TEXTW(">");
170 drw_setscheme(drw, scheme[SchemeNorm]);
171 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
172 }
173 }
174 drw_map(drw, win, 0, 0, mw, mh);
175 }
176
177 static void
178 grabfocus(void)
179 {
180 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
181 Window focuswin;
182 int i, revertwin;
183
184 for (i = 0; i < 100; ++i) {
185 XGetInputFocus(dpy, &focuswin, &revertwin);
186 if (focuswin == win)
187 return;
188 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
189 nanosleep(&ts, NULL);
190 }
191 die("cannot grab focus");
192 }
193
194 static void
195 grabkeyboard(void)
196 {
197 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
198 int i;
199
200 if (embed)
201 return;
202 /* try to grab keyboard, we may have to wait for another process to ungrab */
203 for (i = 0; i < 1000; i++) {
204 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
205 GrabModeAsync, CurrentTime) == GrabSuccess)
206 return;
207 nanosleep(&ts, NULL);
208 }
209 die("cannot grab keyboard");
210 }
211
212 static void
213 match(void)
214 {
215 static char **tokv = NULL;
216 static int tokn = 0;
217
218 char buf[sizeof text], *s;
219 int i, tokc = 0;
220 size_t len, textsize;
221 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
222
223 strcpy(buf, text);
224 /* separate input text into tokens to be matched individually */
225 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
226 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
227 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
228 len = tokc ? strlen(tokv[0]) : 0;
229
230 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
231 textsize = strlen(text) + 1;
232 for (item = items; item && item->text; item++) {
233 for (i = 0; i < tokc; i++)
234 if (!fstrstr(item->text, tokv[i]))
235 break;
236 if (i != tokc) /* not all tokens match */
237 continue;
238 /* exact matches go first, then prefixes, then substrings */
239 if (!tokc || !fstrncmp(text, item->text, textsize))
240 appenditem(item, &matches, &matchend);
241 else if (!fstrncmp(tokv[0], item->text, len))
242 appenditem(item, &lprefix, &prefixend);
243 else
244 appenditem(item, &lsubstr, &substrend);
245 }
246 if (lprefix) {
247 if (matches) {
248 matchend->right = lprefix;
249 lprefix->left = matchend;
250 } else
251 matches = lprefix;
252 matchend = prefixend;
253 }
254 if (lsubstr) {
255 if (matches) {
256 matchend->right = lsubstr;
257 lsubstr->left = matchend;
258 } else
259 matches = lsubstr;
260 matchend = substrend;
261 }
262 curr = sel = matches;
263 calcoffsets();
264 }
265
266 static void
267 insert(const char *str, ssize_t n)
268 {
269 if (strlen(text) + n > sizeof text - 1)
270 return;
271 /* move existing text out of the way, insert new text, and update cursor */
272 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
273 if (n > 0)
274 memcpy(&text[cursor], str, n);
275 cursor += n;
276 match();
277 }
278
279 static size_t
280 nextrune(int inc)
281 {
282 ssize_t n;
283
284 /* return location of next utf8 rune in the given direction (+1 or -1) */
285 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
286 ;
287 return n;
288 }
289
290 static void
291 movewordedge(int dir)
292 {
293 if (dir < 0) { /* move cursor to the start of the word*/
294 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
295 cursor = nextrune(-1);
296 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
297 cursor = nextrune(-1);
298 } else { /* move cursor to the end of the word */
299 while (text[cursor] && strchr(worddelimiters, text[cursor]))
300 cursor = nextrune(+1);
301 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
302 cursor = nextrune(+1);
303 }
304 }
305
306 static void
307 keypress(XKeyEvent *ev)
308 {
309 char buf[32];
310 int len;
311 KeySym ksym;
312 Status status;
313
314 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
315 switch (status) {
316 default: /* XLookupNone, XBufferOverflow */
317 return;
318 case XLookupChars:
319 goto insert;
320 case XLookupKeySym:
321 case XLookupBoth:
322 break;
323 }
324
325 if (ev->state & ControlMask) {
326 switch(ksym) {
327 case XK_a: ksym = XK_Home; break;
328 case XK_b: ksym = XK_Left; break;
329 case XK_c: ksym = XK_Escape; break;
330 case XK_d: ksym = XK_Delete; break;
331 case XK_e: ksym = XK_End; break;
332 case XK_f: ksym = XK_Right; break;
333 case XK_g: ksym = XK_Escape; break;
334 case XK_h: ksym = XK_BackSpace; break;
335 case XK_i: ksym = XK_Tab; break;
336 case XK_j: /* fallthrough */
337 case XK_J: /* fallthrough */
338 case XK_m: /* fallthrough */
339 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
340 case XK_n: ksym = XK_Down; break;
341 case XK_p: ksym = XK_Up; break;
342
343 case XK_k: /* delete right */
344 text[cursor] = '\0';
345 match();
346 break;
347 case XK_u: /* delete left */
348 insert(NULL, 0 - cursor);
349 break;
350 case XK_w: /* delete word */
351 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
352 insert(NULL, nextrune(-1) - cursor);
353 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
354 insert(NULL, nextrune(-1) - cursor);
355 break;
356 case XK_y: /* paste selection */
357 case XK_Y:
358 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
359 utf8, utf8, win, CurrentTime);
360 return;
361 case XK_Left:
362 movewordedge(-1);
363 goto draw;
364 case XK_Right:
365 movewordedge(+1);
366 goto draw;
367 case XK_Return:
368 case XK_KP_Enter:
369 break;
370 case XK_bracketleft:
371 cleanup();
372 exit(1);
373 default:
374 return;
375 }
376 } else if (ev->state & Mod1Mask) {
377 switch(ksym) {
378 case XK_b:
379 movewordedge(-1);
380 goto draw;
381 case XK_f:
382 movewordedge(+1);
383 goto draw;
384 case XK_g: ksym = XK_Home; break;
385 case XK_G: ksym = XK_End; break;
386 case XK_h: ksym = XK_Up; break;
387 case XK_j: ksym = XK_Next; break;
388 case XK_k: ksym = XK_Prior; break;
389 case XK_l: ksym = XK_Down; break;
390 default:
391 return;
392 }
393 }
394
395 switch(ksym) {
396 default:
397 insert:
398 if (!iscntrl(*buf))
399 insert(buf, len);
400 break;
401 case XK_Delete:
402 if (text[cursor] == '\0')
403 return;
404 cursor = nextrune(+1);
405 /* fallthrough */
406 case XK_BackSpace:
407 if (cursor == 0)
408 return;
409 insert(NULL, nextrune(-1) - cursor);
410 break;
411 case XK_End:
412 if (text[cursor] != '\0') {
413 cursor = strlen(text);
414 break;
415 }
416 if (next) {
417 /* jump to end of list and position items in reverse */
418 curr = matchend;
419 calcoffsets();
420 curr = prev;
421 calcoffsets();
422 while (next && (curr = curr->right))
423 calcoffsets();
424 }
425 sel = matchend;
426 break;
427 case XK_Escape:
428 cleanup();
429 exit(1);
430 case XK_Home:
431 if (sel == matches) {
432 cursor = 0;
433 break;
434 }
435 sel = curr = matches;
436 calcoffsets();
437 break;
438 case XK_Left:
439 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
440 cursor = nextrune(-1);
441 break;
442 }
443 if (lines > 0)
444 return;
445 /* fallthrough */
446 case XK_Up:
447 if (sel && sel->left && (sel = sel->left)->right == curr) {
448 curr = prev;
449 calcoffsets();
450 }
451 break;
452 case XK_Next:
453 if (!next)
454 return;
455 sel = curr = next;
456 calcoffsets();
457 break;
458 case XK_Prior:
459 if (!prev)
460 return;
461 sel = curr = prev;
462 calcoffsets();
463 break;
464 case XK_Return:
465 case XK_KP_Enter:
466 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
467 if (!(ev->state & ControlMask)) {
468 cleanup();
469 exit(0);
470 }
471 if (sel)
472 sel->out = 1;
473 break;
474 case XK_Right:
475 if (text[cursor] != '\0') {
476 cursor = nextrune(+1);
477 break;
478 }
479 if (lines > 0)
480 return;
481 /* fallthrough */
482 case XK_Down:
483 if (sel && sel->right && (sel = sel->right) == next) {
484 curr = next;
485 calcoffsets();
486 }
487 break;
488 case XK_Tab:
489 if (!sel)
490 return;
491 strncpy(text, sel->text, sizeof text - 1);
492 text[sizeof text - 1] = '\0';
493 cursor = strlen(text);
494 match();
495 break;
496 }
497
498 draw:
499 drawmenu();
500 }
501
502 static void
503 paste(void)
504 {
505 char *p, *q;
506 int di;
507 unsigned long dl;
508 Atom da;
509
510 /* we have been given the current selection, now insert it into input */
511 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
512 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
513 == Success && p) {
514 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
515 XFree(p);
516 }
517 drawmenu();
518 }
519
520 static void
521 readstdin(void)
522 {
523 char buf[sizeof text], *p;
524 size_t i, imax = 0, size = 0;
525 unsigned int tmpmax = 0;
526
527 /* read each line from stdin and add it to the item list */
528 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
529 if (i + 1 >= size / sizeof *items)
530 if (!(items = realloc(items, (size += BUFSIZ))))
531 die("cannot realloc %u bytes:", size);
532 if ((p = strchr(buf, '\n')))
533 *p = '\0';
534 if (!(items[i].text = strdup(buf)))
535 die("cannot strdup %u bytes:", strlen(buf) + 1);
536 items[i].out = 0;
537 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
538 if (tmpmax > inputw) {
539 inputw = tmpmax;
540 imax = i;
541 }
542 }
543 if (items)
544 items[i].text = NULL;
545 inputw = items ? TEXTW(items[imax].text) : 0;
546 lines = MIN(lines, i);
547 }
548
549 static void
550 run(void)
551 {
552 XEvent ev;
553
554 while (!XNextEvent(dpy, &ev)) {
555 if (XFilterEvent(&ev, None))
556 continue;
557 switch(ev.type) {
558 case Expose:
559 if (ev.xexpose.count == 0)
560 drw_map(drw, win, 0, 0, mw, mh);
561 break;
562 case FocusIn:
563 /* regrab focus from parent window */
564 if (ev.xfocus.window != win)
565 grabfocus();
566 break;
567 case KeyPress:
568 keypress(&ev.xkey);
569 break;
570 case SelectionNotify:
571 if (ev.xselection.property == utf8)
572 paste();
573 break;
574 case VisibilityNotify:
575 if (ev.xvisibility.state != VisibilityUnobscured)
576 XRaiseWindow(dpy, win);
577 break;
578 }
579 }
580 }
581
582 static void
583 setup(void)
584 {
585 int x, y, i, j;
586 unsigned int du;
587 XSetWindowAttributes swa;
588 XIM xim;
589 Window w, dw, *dws;
590 XWindowAttributes wa;
591 XClassHint ch = {"dmenu", "dmenu"};
592 #ifdef XINERAMA
593 XineramaScreenInfo *info;
594 Window pw;
595 int a, di, n, area = 0;
596 #endif
597 /* init appearance */
598 for (j = 0; j < SchemeLast; j++)
599 scheme[j] = drw_scm_create(drw, colors[j], 2);
600
601 clip = XInternAtom(dpy, "CLIPBOARD", False);
602 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
603
604 /* calculate menu geometry */
605 bh = drw->fonts->h + 2;
606 lines = MAX(lines, 0);
607 mh = (lines + 1) * bh;
608 #ifdef XINERAMA
609 i = 0;
610 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
611 XGetInputFocus(dpy, &w, &di);
612 if (mon >= 0 && mon < n)
613 i = mon;
614 else if (w != root && w != PointerRoot && w != None) {
615 /* find top-level window containing current input focus */
616 do {
617 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
618 XFree(dws);
619 } while (w != root && w != pw);
620 /* find xinerama screen with which the window intersects most */
621 if (XGetWindowAttributes(dpy, pw, &wa))
622 for (j = 0; j < n; j++)
623 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
624 area = a;
625 i = j;
626 }
627 }
628 /* no focused window is on screen, so use pointer location instead */
629 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
630 for (i = 0; i < n; i++)
631 if (INTERSECT(x, y, 1, 1, info[i]))
632 break;
633
634 x = info[i].x_org;
635 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
636 mw = info[i].width;
637 XFree(info);
638 } else
639 #endif
640 {
641 if (!XGetWindowAttributes(dpy, parentwin, &wa))
642 die("could not get embedding window attributes: 0x%lx",
643 parentwin);
644 x = 0;
645 y = topbar ? 0 : wa.height - mh;
646 mw = wa.width;
647 }
648 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
649 inputw = MIN(inputw, mw/3);
650 match();
651
652 /* create menu window */
653 swa.override_redirect = True;
654 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
655 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
656 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
657 CopyFromParent, CopyFromParent, CopyFromParent,
658 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
659 XSetClassHint(dpy, win, &ch);
660
661 /* open input methods */
662 xim = XOpenIM(dpy, NULL, NULL, NULL);
663 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
664 XNClientWindow, win, XNFocusWindow, win, NULL);
665
666 XMapRaised(dpy, win);
667 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
668 if (embed) {
669 XSelectInput(dpy, parentwin, FocusChangeMask);
670 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
671 for (i = 0; i < du && dws[i] != win; ++i)
672 XSelectInput(dpy, dws[i], FocusChangeMask);
673 XFree(dws);
674 }
675 grabfocus();
676 }
677 drw_resize(drw, mw, mh);
678 drawmenu();
679 }
680
681 static void
682 usage(void)
683 {
684 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
685 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
686 exit(1);
687 }
688
689 int
690 main(int argc, char *argv[])
691 {
692 XWindowAttributes wa;
693 int i, fast = 0;
694
695 for (i = 1; i < argc; i++)
696 /* these options take no arguments */
697 if (!strcmp(argv[i], "-v")) { /* prints version information */
698 puts("dmenu-"VERSION);
699 exit(0);
700 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
701 topbar = 0;
702 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
703 fast = 1;
704 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
705 fstrncmp = strncasecmp;
706 fstrstr = cistrstr;
707 } else if (i + 1 == argc)
708 usage();
709 /* these options take one argument */
710 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
711 lines = atoi(argv[++i]);
712 else if (!strcmp(argv[i], "-m"))
713 mon = atoi(argv[++i]);
714 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
715 prompt = argv[++i];
716 else if (!strcmp(argv[i], "-fn")) /* font or font set */
717 fonts[0] = argv[++i];
718 else if (!strcmp(argv[i], "-nb")) /* normal background color */
719 colors[SchemeNorm][ColBg] = argv[++i];
720 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
721 colors[SchemeNorm][ColFg] = argv[++i];
722 else if (!strcmp(argv[i], "-sb")) /* selected background color */
723 colors[SchemeSel][ColBg] = argv[++i];
724 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
725 colors[SchemeSel][ColFg] = argv[++i];
726 else if (!strcmp(argv[i], "-w")) /* embedding window id */
727 embed = argv[++i];
728 else
729 usage();
730
731 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
732 fputs("warning: no locale support\n", stderr);
733 if (!XSetLocaleModifiers(""))
734 fputs("warning: no locale modifiers support\n", stderr);
735 if (!(dpy = XOpenDisplay(NULL)))
736 die("cannot open display");
737 screen = DefaultScreen(dpy);
738 root = RootWindow(dpy, screen);
739 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
740 parentwin = root;
741 if (!XGetWindowAttributes(dpy, parentwin, &wa))
742 die("could not get embedding window attributes: 0x%lx",
743 parentwin);
744 drw = drw_create(dpy, screen, root, wa.width, wa.height);
745 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
746 die("no fonts could be loaded.");
747 lrpad = drw->fonts->h;
748
749 if (fast) {
750 grabkeyboard();
751 readstdin();
752 } else {
753 readstdin();
754 grabkeyboard();
755 }
756 setup();
757 run();
758
759 return 1; /* unreachable */
760 }