Xinqi Bao's Git

projects / dmenu.git / blob


eca67acadb6d176f5389ee0e6eb1cd085322bad0
[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 #include <unistd.h>
10
11 #include <X11/Xlib.h>
12 #include <X11/Xatom.h>
13 #include <X11/Xutil.h>
14 #ifdef XINERAMA
15 #include <X11/extensions/Xinerama.h>
16 #endif
17 #include <X11/Xft/Xft.h>
18
19 #include "drw.h"
20 #include "util.h"
21
22 /* macros */
23 #define INTERSECT(x,y,w,h,r) (MAX(0, MIN((x)+(w),(r).x_org+(r).width) - MAX((x),(r).x_org)) \
24 * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
25 #define LENGTH(X) (sizeof X / sizeof X[0])
26 #define TEXTW(X) (drw_fontset_getwidth(drw, (X)) + lrpad)
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 char *embed;
39 static int bh, mw, mh;
40 static int inputw = 0, promptw;
41 static int lrpad; /* sum of left and right padding */
42 static size_t cursor;
43 static struct item *items = NULL;
44 static struct item *matches, *matchend;
45 static struct item *prev, *curr, *next, *sel;
46 static int mon = -1, screen;
47
48 static Atom clip, utf8;
49 static Display *dpy;
50 static Window root, parentwin, win;
51 static XIC xic;
52
53 static Drw *drw;
54 static Clr *scheme[SchemeLast];
55
56 #include "config.h"
57
58 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
59 static char *(*fstrstr)(const char *, const char *) = strstr;
60
61 static void
62 appenditem(struct item *item, struct item **list, struct item **last)
63 {
64 if (*last)
65 (*last)->right = item;
66 else
67 *list = item;
68
69 item->left = *last;
70 item->right = NULL;
71 *last = item;
72 }
73
74 static void
75 calcoffsets(void)
76 {
77 int i, n;
78
79 if (lines > 0)
80 n = lines * bh;
81 else
82 n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
83 /* calculate which items will begin the next page and previous page */
84 for (i = 0, next = curr; next; next = next->right)
85 if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
86 break;
87 for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
88 if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
89 break;
90 }
91
92 static void
93 cleanup(void)
94 {
95 size_t i;
96
97 XUngrabKey(dpy, AnyKey, AnyModifier, root);
98 for (i = 0; i < SchemeLast; i++)
99 free(scheme[i]);
100 drw_free(drw);
101 XSync(dpy, False);
102 XCloseDisplay(dpy);
103 }
104
105 static char *
106 cistrstr(const char *h, const char *n)
107 {
108 size_t i;
109
110 if (!n[0])
111 return (char *)h;
112
113 for (; *h; ++h) {
114 for (i = 0; n[i] && tolower((unsigned char)n[i]) ==
115 tolower((unsigned char)h[i]); ++i)
116 ;
117 if (n[i] == '\0')
118 return (char *)h;
119 }
120 return NULL;
121 }
122
123 static int
124 drawitem(struct item *item, int x, int y, int w)
125 {
126 if (item == sel)
127 drw_setscheme(drw, scheme[SchemeSel]);
128 else if (item->out)
129 drw_setscheme(drw, scheme[SchemeOut]);
130 else
131 drw_setscheme(drw, scheme[SchemeNorm]);
132
133 return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
134 }
135
136 static void
137 drawmenu(void)
138 {
139 unsigned int curpos;
140 struct item *item;
141 int x = 0, y = 0, w;
142
143 drw_setscheme(drw, scheme[SchemeNorm]);
144 drw_rect(drw, 0, 0, mw, mh, 1, 1);
145
146 if (prompt && *prompt) {
147 drw_setscheme(drw, scheme[SchemeSel]);
148 x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
149 }
150 /* draw input field */
151 w = (lines > 0 || !matches) ? mw - x : inputw;
152 drw_setscheme(drw, scheme[SchemeNorm]);
153 drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
154
155 curpos = TEXTW(text) - TEXTW(&text[cursor]);
156 if ((curpos += lrpad / 2 - 1) < w) {
157 drw_setscheme(drw, scheme[SchemeNorm]);
158 drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
159 }
160
161 if (lines > 0) {
162 /* draw vertical list */
163 for (item = curr; item != next; item = item->right)
164 drawitem(item, x, y += bh, mw - x);
165 } else if (matches) {
166 /* draw horizontal list */
167 x += inputw;
168 w = TEXTW("<");
169 if (curr->left) {
170 drw_setscheme(drw, scheme[SchemeNorm]);
171 drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
172 }
173 x += w;
174 for (item = curr; item != next; item = item->right)
175 x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
176 if (next) {
177 w = TEXTW(">");
178 drw_setscheme(drw, scheme[SchemeNorm]);
179 drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
180 }
181 }
182 drw_map(drw, win, 0, 0, mw, mh);
183 }
184
185 static void
186 grabfocus(void)
187 {
188 struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000 };
189 Window focuswin;
190 int i, revertwin;
191
192 for (i = 0; i < 100; ++i) {
193 XGetInputFocus(dpy, &focuswin, &revertwin);
194 if (focuswin == win)
195 return;
196 XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
197 nanosleep(&ts, NULL);
198 }
199 die("cannot grab focus");
200 }
201
202 static void
203 grabkeyboard(void)
204 {
205 struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000 };
206 int i;
207
208 if (embed)
209 return;
210 /* try to grab keyboard, we may have to wait for another process to ungrab */
211 for (i = 0; i < 1000; i++) {
212 if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
213 GrabModeAsync, CurrentTime) == GrabSuccess)
214 return;
215 nanosleep(&ts, NULL);
216 }
217 die("cannot grab keyboard");
218 }
219
220 static void
221 match(void)
222 {
223 static char **tokv = NULL;
224 static int tokn = 0;
225
226 char buf[sizeof text], *s;
227 int i, tokc = 0;
228 size_t len, textsize;
229 struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
230
231 strcpy(buf, text);
232 /* separate input text into tokens to be matched individually */
233 for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
234 if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
235 die("cannot realloc %u bytes:", tokn * sizeof *tokv);
236 len = tokc ? strlen(tokv[0]) : 0;
237
238 matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
239 textsize = strlen(text) + 1;
240 for (item = items; item && item->text; item++) {
241 for (i = 0; i < tokc; i++)
242 if (!fstrstr(item->text, tokv[i]))
243 break;
244 if (i != tokc) /* not all tokens match */
245 continue;
246 /* exact matches go first, then prefixes, then substrings */
247 if (!tokc || !fstrncmp(text, item->text, textsize))
248 appenditem(item, &matches, &matchend);
249 else if (!fstrncmp(tokv[0], item->text, len))
250 appenditem(item, &lprefix, &prefixend);
251 else
252 appenditem(item, &lsubstr, &substrend);
253 }
254 if (lprefix) {
255 if (matches) {
256 matchend->right = lprefix;
257 lprefix->left = matchend;
258 } else
259 matches = lprefix;
260 matchend = prefixend;
261 }
262 if (lsubstr) {
263 if (matches) {
264 matchend->right = lsubstr;
265 lsubstr->left = matchend;
266 } else
267 matches = lsubstr;
268 matchend = substrend;
269 }
270 curr = sel = matches;
271 calcoffsets();
272 }
273
274 static void
275 insert(const char *str, ssize_t n)
276 {
277 if (strlen(text) + n > sizeof text - 1)
278 return;
279 /* move existing text out of the way, insert new text, and update cursor */
280 memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
281 if (n > 0)
282 memcpy(&text[cursor], str, n);
283 cursor += n;
284 match();
285 }
286
287 static size_t
288 nextrune(int inc)
289 {
290 ssize_t n;
291
292 /* return location of next utf8 rune in the given direction (+1 or -1) */
293 for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
294 ;
295 return n;
296 }
297
298 static void
299 movewordedge(int dir)
300 {
301 if (dir < 0) { /* move cursor to the start of the word*/
302 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
303 cursor = nextrune(-1);
304 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
305 cursor = nextrune(-1);
306 } else { /* move cursor to the end of the word */
307 while (text[cursor] && strchr(worddelimiters, text[cursor]))
308 cursor = nextrune(+1);
309 while (text[cursor] && !strchr(worddelimiters, text[cursor]))
310 cursor = nextrune(+1);
311 }
312 }
313
314 static void
315 keypress(XKeyEvent *ev)
316 {
317 char buf[32];
318 int len;
319 KeySym ksym;
320 Status status;
321
322 len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
323 switch (status) {
324 default: /* XLookupNone, XBufferOverflow */
325 return;
326 case XLookupChars:
327 goto insert;
328 case XLookupKeySym:
329 case XLookupBoth:
330 break;
331 }
332
333 if (ev->state & ControlMask) {
334 switch(ksym) {
335 case XK_a: ksym = XK_Home; break;
336 case XK_b: ksym = XK_Left; break;
337 case XK_c: ksym = XK_Escape; break;
338 case XK_d: ksym = XK_Delete; break;
339 case XK_e: ksym = XK_End; break;
340 case XK_f: ksym = XK_Right; break;
341 case XK_g: ksym = XK_Escape; break;
342 case XK_h: ksym = XK_BackSpace; break;
343 case XK_i: ksym = XK_Tab; break;
344 case XK_j: /* fallthrough */
345 case XK_J: /* fallthrough */
346 case XK_m: /* fallthrough */
347 case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
348 case XK_n: ksym = XK_Down; break;
349 case XK_p: ksym = XK_Up; break;
350
351 case XK_k: /* delete right */
352 text[cursor] = '\0';
353 match();
354 break;
355 case XK_u: /* delete left */
356 insert(NULL, 0 - cursor);
357 break;
358 case XK_w: /* delete word */
359 while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
360 insert(NULL, nextrune(-1) - cursor);
361 while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
362 insert(NULL, nextrune(-1) - cursor);
363 break;
364 case XK_y: /* paste selection */
365 case XK_Y:
366 XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
367 utf8, utf8, win, CurrentTime);
368 return;
369 case XK_Left:
370 case XK_KP_Left:
371 movewordedge(-1);
372 goto draw;
373 case XK_Right:
374 case XK_KP_Right:
375 movewordedge(+1);
376 goto draw;
377 case XK_Return:
378 case XK_KP_Enter:
379 break;
380 case XK_bracketleft:
381 cleanup();
382 exit(1);
383 default:
384 return;
385 }
386 } else if (ev->state & Mod1Mask) {
387 switch(ksym) {
388 case XK_b:
389 movewordedge(-1);
390 goto draw;
391 case XK_f:
392 movewordedge(+1);
393 goto draw;
394 case XK_g: ksym = XK_Home; break;
395 case XK_G: ksym = XK_End; break;
396 case XK_h: ksym = XK_Up; break;
397 case XK_j: ksym = XK_Next; break;
398 case XK_k: ksym = XK_Prior; break;
399 case XK_l: ksym = XK_Down; break;
400 default:
401 return;
402 }
403 }
404
405 switch(ksym) {
406 default:
407 insert:
408 if (!iscntrl(*buf))
409 insert(buf, len);
410 break;
411 case XK_Delete:
412 case XK_KP_Delete:
413 if (text[cursor] == '\0')
414 return;
415 cursor = nextrune(+1);
416 /* fallthrough */
417 case XK_BackSpace:
418 if (cursor == 0)
419 return;
420 insert(NULL, nextrune(-1) - cursor);
421 break;
422 case XK_End:
423 case XK_KP_End:
424 if (text[cursor] != '\0') {
425 cursor = strlen(text);
426 break;
427 }
428 if (next) {
429 /* jump to end of list and position items in reverse */
430 curr = matchend;
431 calcoffsets();
432 curr = prev;
433 calcoffsets();
434 while (next && (curr = curr->right))
435 calcoffsets();
436 }
437 sel = matchend;
438 break;
439 case XK_Escape:
440 cleanup();
441 exit(1);
442 case XK_Home:
443 case XK_KP_Home:
444 if (sel == matches) {
445 cursor = 0;
446 break;
447 }
448 sel = curr = matches;
449 calcoffsets();
450 break;
451 case XK_Left:
452 case XK_KP_Left:
453 if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
454 cursor = nextrune(-1);
455 break;
456 }
457 if (lines > 0)
458 return;
459 /* fallthrough */
460 case XK_Up:
461 case XK_KP_Up:
462 if (sel && sel->left && (sel = sel->left)->right == curr) {
463 curr = prev;
464 calcoffsets();
465 }
466 break;
467 case XK_Next:
468 case XK_KP_Next:
469 if (!next)
470 return;
471 sel = curr = next;
472 calcoffsets();
473 break;
474 case XK_Prior:
475 case XK_KP_Prior:
476 if (!prev)
477 return;
478 sel = curr = prev;
479 calcoffsets();
480 break;
481 case XK_Return:
482 case XK_KP_Enter:
483 puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
484 if (!(ev->state & ControlMask)) {
485 cleanup();
486 exit(0);
487 }
488 if (sel)
489 sel->out = 1;
490 break;
491 case XK_Right:
492 case XK_KP_Right:
493 if (text[cursor] != '\0') {
494 cursor = nextrune(+1);
495 break;
496 }
497 if (lines > 0)
498 return;
499 /* fallthrough */
500 case XK_Down:
501 case XK_KP_Down:
502 if (sel && sel->right && (sel = sel->right) == next) {
503 curr = next;
504 calcoffsets();
505 }
506 break;
507 case XK_Tab:
508 if (!sel)
509 return;
510 strncpy(text, sel->text, sizeof text - 1);
511 text[sizeof text - 1] = '\0';
512 cursor = strlen(text);
513 match();
514 break;
515 }
516
517 draw:
518 drawmenu();
519 }
520
521 static void
522 paste(void)
523 {
524 char *p, *q;
525 int di;
526 unsigned long dl;
527 Atom da;
528
529 /* we have been given the current selection, now insert it into input */
530 if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
531 utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
532 == Success && p) {
533 insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
534 XFree(p);
535 }
536 drawmenu();
537 }
538
539 static void
540 readstdin(void)
541 {
542 char buf[sizeof text], *p;
543 size_t i, imax = 0, size = 0;
544 unsigned int tmpmax = 0;
545
546 /* read each line from stdin and add it to the item list */
547 for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
548 if (i + 1 >= size / sizeof *items)
549 if (!(items = realloc(items, (size += BUFSIZ))))
550 die("cannot realloc %u bytes:", size);
551 if ((p = strchr(buf, '\n')))
552 *p = '\0';
553 if (!(items[i].text = strdup(buf)))
554 die("cannot strdup %u bytes:", strlen(buf) + 1);
555 items[i].out = 0;
556 drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
557 if (tmpmax > inputw) {
558 inputw = tmpmax;
559 imax = i;
560 }
561 }
562 if (items)
563 items[i].text = NULL;
564 inputw = items ? TEXTW(items[imax].text) : 0;
565 lines = MIN(lines, i);
566 }
567
568 static void
569 run(void)
570 {
571 XEvent ev;
572
573 while (!XNextEvent(dpy, &ev)) {
574 if (XFilterEvent(&ev, win))
575 continue;
576 switch(ev.type) {
577 case DestroyNotify:
578 if (ev.xdestroywindow.window != win)
579 break;
580 cleanup();
581 exit(1);
582 case Expose:
583 if (ev.xexpose.count == 0)
584 drw_map(drw, win, 0, 0, mw, mh);
585 break;
586 case FocusIn:
587 /* regrab focus from parent window */
588 if (ev.xfocus.window != win)
589 grabfocus();
590 break;
591 case KeyPress:
592 keypress(&ev.xkey);
593 break;
594 case SelectionNotify:
595 if (ev.xselection.property == utf8)
596 paste();
597 break;
598 case VisibilityNotify:
599 if (ev.xvisibility.state != VisibilityUnobscured)
600 XRaiseWindow(dpy, win);
601 break;
602 }
603 }
604 }
605
606 static void
607 setup(void)
608 {
609 int x, y, i, j;
610 unsigned int du;
611 XSetWindowAttributes swa;
612 XIM xim;
613 Window w, dw, *dws;
614 XWindowAttributes wa;
615 XClassHint ch = {"dmenu", "dmenu"};
616 #ifdef XINERAMA
617 XineramaScreenInfo *info;
618 Window pw;
619 int a, di, n, area = 0;
620 #endif
621 /* init appearance */
622 for (j = 0; j < SchemeLast; j++)
623 scheme[j] = drw_scm_create(drw, colors[j], 2);
624
625 clip = XInternAtom(dpy, "CLIPBOARD", False);
626 utf8 = XInternAtom(dpy, "UTF8_STRING", False);
627
628 /* calculate menu geometry */
629 bh = drw->fonts->h + 2;
630 lines = MAX(lines, 0);
631 mh = (lines + 1) * bh;
632 #ifdef XINERAMA
633 i = 0;
634 if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
635 XGetInputFocus(dpy, &w, &di);
636 if (mon >= 0 && mon < n)
637 i = mon;
638 else if (w != root && w != PointerRoot && w != None) {
639 /* find top-level window containing current input focus */
640 do {
641 if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
642 XFree(dws);
643 } while (w != root && w != pw);
644 /* find xinerama screen with which the window intersects most */
645 if (XGetWindowAttributes(dpy, pw, &wa))
646 for (j = 0; j < n; j++)
647 if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
648 area = a;
649 i = j;
650 }
651 }
652 /* no focused window is on screen, so use pointer location instead */
653 if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
654 for (i = 0; i < n; i++)
655 if (INTERSECT(x, y, 1, 1, info[i]) != 0)
656 break;
657
658 x = info[i].x_org;
659 y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
660 mw = info[i].width;
661 XFree(info);
662 } else
663 #endif
664 {
665 if (!XGetWindowAttributes(dpy, parentwin, &wa))
666 die("could not get embedding window attributes: 0x%lx",
667 parentwin);
668 x = 0;
669 y = topbar ? 0 : wa.height - mh;
670 mw = wa.width;
671 }
672 promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
673 inputw = MIN(inputw, mw/3);
674 match();
675
676 /* create menu window */
677 swa.override_redirect = True;
678 swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
679 swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
680 win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
681 CopyFromParent, CopyFromParent, CopyFromParent,
682 CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
683 XSetClassHint(dpy, win, &ch);
684
685
686 /* input methods */
687 if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
688 die("XOpenIM failed: could not open input device");
689
690 xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
691 XNClientWindow, win, XNFocusWindow, win, NULL);
692
693 XMapRaised(dpy, win);
694 if (embed) {
695 XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
696 if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
697 for (i = 0; i < du && dws[i] != win; ++i)
698 XSelectInput(dpy, dws[i], FocusChangeMask);
699 XFree(dws);
700 }
701 grabfocus();
702 }
703 drw_resize(drw, mw, mh);
704 drawmenu();
705 }
706
707 static void
708 usage(void)
709 {
710 fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
711 " [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
712 exit(1);
713 }
714
715 int
716 main(int argc, char *argv[])
717 {
718 XWindowAttributes wa;
719 int i, fast = 0;
720
721 for (i = 1; i < argc; i++)
722 /* these options take no arguments */
723 if (!strcmp(argv[i], "-v")) { /* prints version information */
724 puts("dmenu-"VERSION);
725 exit(0);
726 } else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
727 topbar = 0;
728 else if (!strcmp(argv[i], "-f")) /* grabs keyboard before reading stdin */
729 fast = 1;
730 else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
731 fstrncmp = strncasecmp;
732 fstrstr = cistrstr;
733 } else if (i + 1 == argc)
734 usage();
735 /* these options take one argument */
736 else if (!strcmp(argv[i], "-l")) /* number of lines in vertical list */
737 lines = atoi(argv[++i]);
738 else if (!strcmp(argv[i], "-m"))
739 mon = atoi(argv[++i]);
740 else if (!strcmp(argv[i], "-p")) /* adds prompt to left of input field */
741 prompt = argv[++i];
742 else if (!strcmp(argv[i], "-fn")) /* font or font set */
743 fonts[0] = argv[++i];
744 else if (!strcmp(argv[i], "-nb")) /* normal background color */
745 colors[SchemeNorm][ColBg] = argv[++i];
746 else if (!strcmp(argv[i], "-nf")) /* normal foreground color */
747 colors[SchemeNorm][ColFg] = argv[++i];
748 else if (!strcmp(argv[i], "-sb")) /* selected background color */
749 colors[SchemeSel][ColBg] = argv[++i];
750 else if (!strcmp(argv[i], "-sf")) /* selected foreground color */
751 colors[SchemeSel][ColFg] = argv[++i];
752 else if (!strcmp(argv[i], "-w")) /* embedding window id */
753 embed = argv[++i];
754 else
755 usage();
756
757 if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
758 fputs("warning: no locale support\n", stderr);
759 if (!(dpy = XOpenDisplay(NULL)))
760 die("cannot open display");
761 screen = DefaultScreen(dpy);
762 root = RootWindow(dpy, screen);
763 if (!embed || !(parentwin = strtol(embed, NULL, 0)))
764 parentwin = root;
765 if (!XGetWindowAttributes(dpy, parentwin, &wa))
766 die("could not get embedding window attributes: 0x%lx",
767 parentwin);
768 drw = drw_create(dpy, screen, root, wa.width, wa.height);
769 if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
770 die("no fonts could be loaded.");
771 lrpad = drw->fonts->h;
772
773 #ifdef __OpenBSD__
774 if (pledge("stdio rpath", NULL) == -1)
775 die("pledge");
776 #endif
777
778 if (fast && !isatty(0)) {
779 grabkeyboard();
780 readstdin();
781 } else {
782 readstdin();
783 grabkeyboard();
784 }
785 setup();
786 run();
787
788 return 1; /* unreachable */
789 }