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My dmenu build
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  1. /* See LICENSE file for copyright and license details. */

  2. #include <ctype.h>

  3. #include <locale.h>

  4. #include <stdbool.h>

  5. #include <stdio.h>

  6. #include <stdlib.h>

  7. #include <string.h>

  8. #include <strings.h>

  9. #include <time.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 TEXTNW(X,N)           (drw_font_getexts_width(drw->fonts[0], (X), (N)))

  27. #define TEXTW(X)              (drw_text(drw, 0, 0, 0, 0, (X), 0) + drw->fonts[0]->h)

  28. 

  29. /* enums */

  30. enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */

  31. 

  32. struct item {

  33. 	char *text;

  34. 	struct item *left, *right;

  35. 	bool out;

  36. };

  37. 

  38. static char text[BUFSIZ] = "";

  39. static int bh, mw, mh;

  40. static int sw, sh; /* X display screen geometry width, height */

  41. static int inputw, promptw;

  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, win;

  51. static XIC xic;

  52. 

  53. static ClrScheme scheme[SchemeLast];

  54. static Drw *drw;

  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. 	XUngrabKey(dpy, AnyKey, AnyModifier, root);

  96. 	drw_clr_free(scheme[SchemeNorm].bg);

  97. 	drw_clr_free(scheme[SchemeNorm].fg);

  98. 	drw_clr_free(scheme[SchemeSel].fg);

  99. 	drw_clr_free(scheme[SchemeSel].bg);

  100. 	drw_clr_free(scheme[SchemeOut].fg);

  101. 	drw_clr_free(scheme[SchemeOut].bg);

  102. 	drw_free(drw);

  103. 	XSync(dpy, False);

  104. 	XCloseDisplay(dpy);

  105. }

  106. 

  107. static char *

  108. cistrstr(const char *s, const char *sub)

  109. {

  110. 	size_t len;

  111. 

  112. 	for (len = strlen(sub); *s; s++)

  113. 		if (!strncasecmp(s, sub, len))

  114. 			return (char *)s;

  115. 	return NULL;

  116. }

  117. 

  118. static void

  119. drawmenu(void)

  120. {

  121. 	int curpos;

  122. 	struct item *item;

  123. 	int x = 0, y = 0, h = bh, w;

  124. 

  125. 	drw_setscheme(drw, &scheme[SchemeNorm]);

  126. 	drw_rect(drw, 0, 0, mw, mh, 1, 1, 1);

  127. 

  128. 	if (prompt && *prompt) {

  129. 		drw_setscheme(drw, &scheme[SchemeSel]);

  130. 		drw_text(drw, x, 0, promptw, bh, prompt, 0);

  131. 		x += promptw;

  132. 	}

  133. 	/* draw input field */

  134. 	w = (lines > 0 || !matches) ? mw - x : inputw;

  135. 	drw_setscheme(drw, &scheme[SchemeNorm]);

  136. 	drw_text(drw, x, 0, w, bh, text, 0);

  137. 

  138. 	if ((curpos = TEXTNW(text, cursor) + bh / 2 - 2) < w) {

  139. 		drw_setscheme(drw, &scheme[SchemeNorm]);

  140. 		drw_rect(drw, x + curpos + 2, 2, 1, bh - 4, 1, 1, 0);

  141. 	}

  142. 

  143. 	if (lines > 0) {

  144. 		/* draw vertical list */

  145. 		w = mw - x;

  146. 		for (item = curr; item != next; item = item->right) {

  147. 			y += h;

  148. 			if (item == sel)

  149. 				drw_setscheme(drw, &scheme[SchemeSel]);

  150. 			else if (item->out)

  151. 				drw_setscheme(drw, &scheme[SchemeOut]);

  152. 			else

  153. 				drw_setscheme(drw, &scheme[SchemeNorm]);

  154. 

  155. 			drw_text(drw, x, y, w, bh, item->text, 0);

  156. 		}

  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, "<", 0);

  164. 		}

  165. 		for (item = curr; item != next; item = item->right) {

  166. 			x += w;

  167. 			w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));

  168. 

  169. 			if (item == sel)

  170. 				drw_setscheme(drw, &scheme[SchemeSel]);

  171. 			else if (item->out)

  172. 				drw_setscheme(drw, &scheme[SchemeOut]);

  173. 			else

  174. 				drw_setscheme(drw, &scheme[SchemeNorm]);

  175. 			drw_text(drw, x, 0, w, bh, item->text, 0);

  176. 		}

  177. 		w = TEXTW(">");

  178. 		x = mw - w;

  179. 		if (next) {

  180. 			drw_setscheme(drw, &scheme[SchemeNorm]);

  181. 			drw_text(drw, x, 0, w, bh, ">", 0);

  182. 		}

  183. 	}

  184. 	drw_map(drw, win, 0, 0, mw, mh);

  185. }

  186. 

  187. static void

  188. grabkeyboard(void)

  189. {

  190. 	struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };

  191. 	int i;

  192. 

  193. 	/* try to grab keyboard, we may have to wait for another process to ungrab */

  194. 	for (i = 0; i < 1000; i++) {

  195. 		if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True,

  196. 		                 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)

  197. 			return;

  198. 		nanosleep(&ts, NULL);

  199. 	}

  200. 	die("cannot grab keyboard\n");

  201. }

  202. 

  203. static void

  204. match(void)

  205. {

  206. 	static char **tokv = NULL;

  207. 	static int tokn = 0;

  208. 

  209. 	char buf[sizeof text], *s;

  210. 	int i, tokc = 0;

  211. 	size_t len, textsize;

  212. 	struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;

  213. 

  214. 	strcpy(buf, text);

  215. 	/* separate input text into tokens to be matched individually */

  216. 	for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))

  217. 		if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))

  218. 			die("cannot realloc %u bytes\n", tokn * sizeof *tokv);

  219. 	len = tokc ? strlen(tokv[0]) : 0;

  220. 

  221. 	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;

  222. 	textsize = strlen(text) + 1;

  223. 	for (item = items; item && item->text; item++) {

  224. 		for (i = 0; i < tokc; i++)

  225. 			if (!fstrstr(item->text, tokv[i]))

  226. 				break;

  227. 		if (i != tokc) /* not all tokens match */

  228. 			continue;

  229. 		/* exact matches go first, then prefixes, then substrings */

  230. 		if (!tokc || !fstrncmp(text, item->text, textsize))

  231. 			appenditem(item, &matches, &matchend);

  232. 		else if (!fstrncmp(tokv[0], item->text, len))

  233. 			appenditem(item, &lprefix, &prefixend);

  234. 		else

  235. 			appenditem(item, &lsubstr, &substrend);

  236. 	}

  237. 	if (lprefix) {

  238. 		if (matches) {

  239. 			matchend->right = lprefix;

  240. 			lprefix->left = matchend;

  241. 		} else

  242. 			matches = lprefix;

  243. 		matchend = prefixend;

  244. 	}

  245. 	if (lsubstr) {

  246. 		if (matches) {

  247. 			matchend->right = lsubstr;

  248. 			lsubstr->left = matchend;

  249. 		} else

  250. 			matches = lsubstr;

  251. 		matchend = substrend;

  252. 	}

  253. 	curr = sel = matches;

  254. 	calcoffsets();

  255. }

  256. 

  257. static void

  258. insert(const char *str, ssize_t n)

  259. {

  260. 	if (strlen(text) + n > sizeof text - 1)

  261. 		return;

  262. 	/* move existing text out of the way, insert new text, and update cursor */

  263. 	memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));

  264. 	if (n > 0)

  265. 		memcpy(&text[cursor], str, n);

  266. 	cursor += n;

  267. 	match();

  268. }

  269. 

  270. static size_t

  271. nextrune(int inc)

  272. {

  273. 	ssize_t n;

  274. 

  275. 	/* return location of next utf8 rune in the given direction (+1 or -1) */

  276. 	for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)

  277. 		;

  278. 	return n;

  279. }

  280. 

  281. static void

  282. keypress(XKeyEvent *ev)

  283. {

  284. 	char buf[32];

  285. 	int len;

  286. 	KeySym ksym = NoSymbol;

  287. 	Status status;

  288. 

  289. 	len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);

  290. 	if (status == XBufferOverflow)

  291. 		return;

  292. 	if (ev->state & ControlMask)

  293. 		switch(ksym) {

  294. 		case XK_a: ksym = XK_Home;      break;

  295. 		case XK_b: ksym = XK_Left;      break;

  296. 		case XK_c: ksym = XK_Escape;    break;

  297. 		case XK_d: ksym = XK_Delete;    break;

  298. 		case XK_e: ksym = XK_End;       break;

  299. 		case XK_f: ksym = XK_Right;     break;

  300. 		case XK_g: ksym = XK_Escape;    break;

  301. 		case XK_h: ksym = XK_BackSpace; break;

  302. 		case XK_i: ksym = XK_Tab;       break;

  303. 		case XK_j: /* fallthrough */

  304. 		case XK_J: /* fallthrough */

  305. 		case XK_m: /* fallthrough */

  306. 		case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;

  307. 		case XK_n: ksym = XK_Down;      break;

  308. 		case XK_p: ksym = XK_Up;        break;

  309. 

  310. 		case XK_k: /* delete right */

  311. 			text[cursor] = '\0';

  312. 			match();

  313. 			break;

  314. 		case XK_u: /* delete left */

  315. 			insert(NULL, 0 - cursor);

  316. 			break;

  317. 		case XK_w: /* delete word */

  318. 			while (cursor > 0 && text[nextrune(-1)] == ' ')

  319. 				insert(NULL, nextrune(-1) - cursor);

  320. 			while (cursor > 0 && text[nextrune(-1)] != ' ')

  321. 				insert(NULL, nextrune(-1) - cursor);

  322. 			break;

  323. 		case XK_y: /* paste selection */

  324. 		case XK_Y:

  325. 			XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,

  326. 			                  utf8, utf8, win, CurrentTime);

  327. 			return;

  328. 		case XK_Return:

  329. 		case XK_KP_Enter:

  330. 			break;

  331. 		case XK_bracketleft:

  332. 			cleanup();

  333. 			exit(1);

  334. 		default:

  335. 			return;

  336. 		}

  337. 	else if (ev->state & Mod1Mask)

  338. 		switch(ksym) {

  339. 		case XK_g: ksym = XK_Home;  break;

  340. 		case XK_G: ksym = XK_End;   break;

  341. 		case XK_h: ksym = XK_Up;    break;

  342. 		case XK_j: ksym = XK_Next;  break;

  343. 		case XK_k: ksym = XK_Prior; break;

  344. 		case XK_l: ksym = XK_Down;  break;

  345. 		default:

  346. 			return;

  347. 		}

  348. 	switch(ksym) {

  349. 	default:

  350. 		if (!iscntrl(*buf))

  351. 			insert(buf, len);

  352. 		break;

  353. 	case XK_Delete:

  354. 		if (text[cursor] == '\0')

  355. 			return;

  356. 		cursor = nextrune(+1);

  357. 		/* fallthrough */

  358. 	case XK_BackSpace:

  359. 		if (cursor == 0)

  360. 			return;

  361. 		insert(NULL, nextrune(-1) - cursor);

  362. 		break;

  363. 	case XK_End:

  364. 		if (text[cursor] != '\0') {

  365. 			cursor = strlen(text);

  366. 			break;

  367. 		}

  368. 		if (next) {

  369. 			/* jump to end of list and position items in reverse */

  370. 			curr = matchend;

  371. 			calcoffsets();

  372. 			curr = prev;

  373. 			calcoffsets();

  374. 			while (next && (curr = curr->right))

  375. 				calcoffsets();

  376. 		}

  377. 		sel = matchend;

  378. 		break;

  379. 	case XK_Escape:

  380. 		cleanup();

  381. 		exit(1);

  382. 	case XK_Home:

  383. 		if (sel == matches) {

  384. 			cursor = 0;

  385. 			break;

  386. 		}

  387. 		sel = curr = matches;

  388. 		calcoffsets();

  389. 		break;

  390. 	case XK_Left:

  391. 		if (cursor > 0 && (!sel || !sel->left || lines > 0)) {

  392. 			cursor = nextrune(-1);

  393. 			break;

  394. 		}

  395. 		if (lines > 0)

  396. 			return;

  397. 		/* fallthrough */

  398. 	case XK_Up:

  399. 		if (sel && sel->left && (sel = sel->left)->right == curr) {

  400. 			curr = prev;

  401. 			calcoffsets();

  402. 		}

  403. 		break;

  404. 	case XK_Next:

  405. 		if (!next)

  406. 			return;

  407. 		sel = curr = next;

  408. 		calcoffsets();

  409. 		break;

  410. 	case XK_Prior:

  411. 		if (!prev)

  412. 			return;

  413. 		sel = curr = prev;

  414. 		calcoffsets();

  415. 		break;

  416. 	case XK_Return:

  417. 	case XK_KP_Enter:

  418. 		puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);

  419. 		if (!(ev->state & ControlMask)) {

  420. 			cleanup();

  421. 			exit(0);

  422. 		}

  423. 		if (sel)

  424. 			sel->out = true;

  425. 		break;

  426. 	case XK_Right:

  427. 		if (text[cursor] != '\0') {

  428. 			cursor = nextrune(+1);

  429. 			break;

  430. 		}

  431. 		if (lines > 0)

  432. 			return;

  433. 		/* fallthrough */

  434. 	case XK_Down:

  435. 		if (sel && sel->right && (sel = sel->right) == next) {

  436. 			curr = next;

  437. 			calcoffsets();

  438. 		}

  439. 		break;

  440. 	case XK_Tab:

  441. 		if (!sel)

  442. 			return;

  443. 		strncpy(text, sel->text, sizeof text - 1);

  444. 		text[sizeof text - 1] = '\0';

  445. 		cursor = strlen(text);

  446. 		match();

  447. 		break;

  448. 	}

  449. 	drawmenu();

  450. }

  451. 

  452. static void

  453. paste(void)

  454. {

  455. 	char *p, *q;

  456. 	int di;

  457. 	unsigned long dl;

  458. 	Atom da;

  459. 

  460. 	/* we have been given the current selection, now insert it into input */

  461. 	XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,

  462. 	                   utf8, &da, &di, &dl, &dl, (unsigned char **)&p);

  463. 	insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));

  464. 	XFree(p);

  465. 	drawmenu();

  466. }

  467. 

  468. static void

  469. readstdin(void)

  470. {

  471. 	char buf[sizeof text], *p, *maxstr = NULL;

  472. 	size_t i, max = 0, size = 0;

  473. 

  474. 	/* read each line from stdin and add it to the item list */

  475. 	for (i = 0; fgets(buf, sizeof buf, stdin); i++) {

  476. 		if (i + 1 >= size / sizeof *items)

  477. 			if (!(items = realloc(items, (size += BUFSIZ))))

  478. 				die("cannot realloc %u bytes:", size);

  479. 		if ((p = strchr(buf, '\n')))

  480. 			*p = '\0';

  481. 		if (!(items[i].text = strdup(buf)))

  482. 			die("cannot strdup %u bytes:", strlen(buf) + 1);

  483. 		items[i].out = false;

  484. 		if (strlen(items[i].text) > max)

  485. 			max = strlen(maxstr = items[i].text);

  486. 	}

  487. 	if (items)

  488. 		items[i].text = NULL;

  489. 	inputw = maxstr ? TEXTW(maxstr) : 0;

  490. 	lines = MIN(lines, i);

  491. }

  492. 

  493. static void

  494. run(void)

  495. {

  496. 	XEvent ev;

  497. 

  498. 	while (!XNextEvent(dpy, &ev)) {

  499. 		if (XFilterEvent(&ev, win))

  500. 			continue;

  501. 		switch(ev.type) {

  502. 		case Expose:

  503. 			if (ev.xexpose.count == 0)

  504. 				drw_map(drw, win, 0, 0, mw, mh);

  505. 			break;

  506. 		case KeyPress:

  507. 			keypress(&ev.xkey);

  508. 			break;

  509. 		case SelectionNotify:

  510. 			if (ev.xselection.property == utf8)

  511. 				paste();

  512. 			break;

  513. 		case VisibilityNotify:

  514. 			if (ev.xvisibility.state != VisibilityUnobscured)

  515. 				XRaiseWindow(dpy, win);

  516. 			break;

  517. 		}

  518. 	}

  519. }

  520. 

  521. static void

  522. setup(void)

  523. {

  524. 	int x, y;

  525. 	XSetWindowAttributes swa;

  526. 	XIM xim;

  527. #ifdef XINERAMA

  528. 	XineramaScreenInfo *info;

  529. 	Window w, pw, dw, *dws;

  530. 	XWindowAttributes wa;

  531. 	int a, j, di, n, i = 0, area = 0;

  532. 	unsigned int du;

  533. #endif

  534. 

  535. 	/* init appearance */

  536. 	scheme[SchemeNorm].bg = drw_clr_create(drw, normbgcolor);

  537. 	scheme[SchemeNorm].fg = drw_clr_create(drw, normfgcolor);

  538. 	scheme[SchemeSel].bg = drw_clr_create(drw, selbgcolor);

  539. 	scheme[SchemeSel].fg = drw_clr_create(drw, selfgcolor);

  540. 	scheme[SchemeOut].bg = drw_clr_create(drw, outbgcolor);

  541. 	scheme[SchemeOut].fg = drw_clr_create(drw, outfgcolor);

  542. 

  543. 	clip = XInternAtom(dpy, "CLIPBOARD",   False);

  544. 	utf8 = XInternAtom(dpy, "UTF8_STRING", False);

  545. 

  546. 	/* calculate menu geometry */

  547. 	bh = drw->fonts[0]->h + 2;

  548. 	lines = MAX(lines, 0);

  549. 	mh = (lines + 1) * bh;

  550. #ifdef XINERAMA

  551. 	if ((info = XineramaQueryScreens(dpy, &n))) {

  552. 		XGetInputFocus(dpy, &w, &di);

  553. 		if (mon != -1 && mon < n)

  554. 			i = mon;

  555. 		if (!i && w != root && w != PointerRoot && w != None) {

  556. 			/* find top-level window containing current input focus */

  557. 			do {

  558. 				if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)

  559. 					XFree(dws);

  560. 			} while (w != root && w != pw);

  561. 			/* find xinerama screen with which the window intersects most */

  562. 			if (XGetWindowAttributes(dpy, pw, &wa))

  563. 				for (j = 0; j < n; j++)

  564. 					if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {

  565. 						area = a;

  566. 						i = j;

  567. 					}

  568. 		}

  569. 		/* no focused window is on screen, so use pointer location instead */

  570. 		if (mon == -1 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))

  571. 			for (i = 0; i < n; i++)

  572. 				if (INTERSECT(x, y, 1, 1, info[i]))

  573. 					break;

  574. 

  575. 		x = info[i].x_org;

  576. 		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);

  577. 		mw = info[i].width;

  578. 		XFree(info);

  579. 	} else

  580. #endif

  581. 	{

  582. 		x = 0;

  583. 		y = topbar ? 0 : sh - mh;

  584. 		mw = sw;

  585. 	}

  586. 	promptw = (prompt && *prompt) ? TEXTW(prompt) : 0;

  587. 	inputw = MIN(inputw, mw/3);

  588. 	match();

  589. 

  590. 	/* create menu window */

  591. 	swa.override_redirect = True;

  592. 	swa.background_pixel = scheme[SchemeNorm].bg->pix;

  593. 	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;

  594. 	win = XCreateWindow(dpy, root, x, y, mw, mh, 0,

  595. 	                    DefaultDepth(dpy, screen), CopyFromParent,

  596. 	                    DefaultVisual(dpy, screen),

  597. 	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);

  598. 

  599. 	/* open input methods */

  600. 	xim = XOpenIM(dpy, NULL, NULL, NULL);

  601. 	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,

  602. 	                XNClientWindow, win, XNFocusWindow, win, NULL);

  603. 

  604. 	XMapRaised(dpy, win);

  605. 	drw_resize(drw, mw, mh);

  606. 	drawmenu();

  607. }

  608. 

  609. static void

  610. usage(void)

  611. {

  612. 	fputs("usage: dmenu [-b] [-f] [-i] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"

  613. 	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-v]\n", stderr);

  614. 	exit(1);

  615. }

  616. 

  617. int

  618. main(int argc, char *argv[])

  619. {

  620. 	bool fast = false;

  621. 	int i;

  622. 

  623. 	for (i = 1; i < argc; i++)

  624. 		/* these options take no arguments */

  625. 		if (!strcmp(argv[i], "-v")) {      /* prints version information */

  626. 			puts("dmenu-"VERSION);

  627. 			exit(0);

  628. 		} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */

  629. 			topbar = false;

  630. 		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */

  631. 			fast = true;

  632. 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */

  633. 			fstrncmp = strncasecmp;

  634. 			fstrstr = cistrstr;

  635. 		} else if (i + 1 == argc)

  636. 			usage();

  637. 		/* these options take one argument */

  638. 		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */

  639. 			lines = atoi(argv[++i]);

  640. 		else if (!strcmp(argv[i], "-m"))

  641. 			mon = atoi(argv[++i]);

  642. 		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */

  643. 			prompt = argv[++i];

  644. 		else if (!strcmp(argv[i], "-fn"))  /* font or font set */

  645. 			fonts[0] = argv[++i];

  646. 		else if (!strcmp(argv[i], "-nb"))  /* normal background color */

  647. 			normbgcolor = argv[++i];

  648. 		else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */

  649. 			normfgcolor = argv[++i];

  650. 		else if (!strcmp(argv[i], "-sb"))  /* selected background color */

  651. 			selbgcolor = argv[++i];

  652. 		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */

  653. 			selfgcolor = argv[++i];

  654. 		else

  655. 			usage();

  656. 

  657. 	if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())

  658. 		fputs("warning: no locale support\n", stderr);

  659. 	if (!(dpy = XOpenDisplay(NULL)))

  660. 		die("cannot open display\n");

  661. 	screen = DefaultScreen(dpy);

  662. 	root = RootWindow(dpy, screen);

  663. 	sw = DisplayWidth(dpy, screen);

  664. 	sh = DisplayHeight(dpy, screen);

  665. 	drw = drw_create(dpy, screen, root, sw, sh);

  666. 	drw_load_fonts(drw, fonts, LENGTH(fonts));

  667. 	if (!drw->fontcount)

  668. 		die("no fonts could be loaded.\n");

  669. 	drw_setscheme(drw, &scheme[SchemeNorm]);

  670. 

  671. 	if (fast) {

  672. 		grabkeyboard();

  673. 		readstdin();

  674. 	} else {

  675. 		readstdin();

  676. 		grabkeyboard();

  677. 	}

  678. 	setup();

  679. 	run();

  680. 

  681. 	return 1; /* unreachable */

  682. }