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

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

  27. 

  28. /* enums */

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

  30. 

  31. struct item {

  32. 	char *text;

  33. 	struct item *left, *right;

  34. 	bool out;

  35. };

  36. 

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

  38. static int bh, mw, mh;

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

  40. static int inputw, promptw;

  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, win;

  50. static XIC xic;

  51. 

  52. static ClrScheme scheme[SchemeLast];

  53. static Drw *drw;

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

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

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

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

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

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

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

  101. 	drw_free(drw);

  102. 	XSync(dpy, False);

  103. 	XCloseDisplay(dpy);

  104. }

  105. 

  106. static char *

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

  108. {

  109. 	size_t len;

  110. 

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

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

  113. 			return (char *)s;

  114. 	return NULL;

  115. }

  116. 

  117. static void

  118. drawmenu(void)

  119. {

  120. 	int curpos;

  121. 	struct item *item;

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

  123. 

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

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

  126. 

  127. 	if (prompt && *prompt) {

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

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

  130. 		x += promptw;

  131. 	}

  132. 	/* draw input field */

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

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

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

  136. 

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

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

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

  140. 	}

  141. 

  142. 	if (lines > 0) {

  143. 		/* draw vertical list */

  144. 		w = mw - x;

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

  146. 			y += h;

  147. 			if (item == sel)

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

  149. 			else if (item->out)

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

  151. 			else

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

  153. 

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

  155. 		}

  156. 	} else if (matches) {

  157. 		/* draw horizontal list */

  158. 		x += inputw;

  159. 		w = TEXTW("<");

  160. 		if (curr->left) {

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

  162. 			drw_text(drw, x, 0, w, bh, "<", 0);

  163. 		}

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

  165. 			x += w;

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

  167. 

  168. 			if (item == sel)

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

  170. 			else if (item->out)

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

  172. 			else

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

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

  175. 		}

  176. 		w = TEXTW(">");

  177. 		x = mw - w;

  178. 		if (next) {

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

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

  181. 		}

  182. 	}

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

  184. }

  185. 

  186. static void

  187. grabkeyboard(void)

  188. {

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

  190. 	int i;

  191. 

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

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

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

  195. 		                 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)

  196. 			return;

  197. 		nanosleep(&ts, NULL);

  198. 	}

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

  200. }

  201. 

  202. static void

  203. match(void)

  204. {

  205. 	static char **tokv = NULL;

  206. 	static int tokn = 0;

  207. 

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

  209. 	int i, tokc = 0;

  210. 	size_t len;

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

  212. 

  213. 	strcpy(buf, text);

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

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

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

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

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

  219. 

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

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

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

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

  224. 				break;

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

  226. 			continue;

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

  228. 		if (!tokc || !fstrncmp(tokv[0], item->text, len + 1))

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

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

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

  232. 		else

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

  234. 	}

  235. 	if (lprefix) {

  236. 		if (matches) {

  237. 			matchend->right = lprefix;

  238. 			lprefix->left = matchend;

  239. 		} else

  240. 			matches = lprefix;

  241. 		matchend = prefixend;

  242. 	}

  243. 	if (lsubstr) {

  244. 		if (matches) {

  245. 			matchend->right = lsubstr;

  246. 			lsubstr->left = matchend;

  247. 		} else

  248. 			matches = lsubstr;

  249. 		matchend = substrend;

  250. 	}

  251. 	curr = sel = matches;

  252. 	calcoffsets();

  253. }

  254. 

  255. static void

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

  257. {

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

  259. 		return;

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

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

  262. 	if (n > 0)

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

  264. 	cursor += n;

  265. 	match();

  266. }

  267. 

  268. static size_t

  269. nextrune(int inc)

  270. {

  271. 	ssize_t n;

  272. 

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

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

  275. 		;

  276. 	return n;

  277. }

  278. 

  279. static void

  280. keypress(XKeyEvent *ev)

  281. {

  282. 	char buf[32];

  283. 	int len;

  284. 	KeySym ksym = NoSymbol;

  285. 	Status status;

  286. 

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

  288. 	if (status == XBufferOverflow)

  289. 		return;

  290. 	if (ev->state & ControlMask)

  291. 		switch(ksym) {

  292. 		case XK_a: ksym = XK_Home;      break;

  293. 		case XK_b: ksym = XK_Left;      break;

  294. 		case XK_c: ksym = XK_Escape;    break;

  295. 		case XK_d: ksym = XK_Delete;    break;

  296. 		case XK_e: ksym = XK_End;       break;

  297. 		case XK_f: ksym = XK_Right;     break;

  298. 		case XK_g: ksym = XK_Escape;    break;

  299. 		case XK_h: ksym = XK_BackSpace; break;

  300. 		case XK_i: ksym = XK_Tab;       break;

  301. 		case XK_j: /* fallthrough */

  302. 		case XK_J: /* fallthrough */

  303. 		case XK_m: /* fallthrough */

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

  305. 		case XK_n: ksym = XK_Down;      break;

  306. 		case XK_p: ksym = XK_Up;        break;

  307. 

  308. 		case XK_k: /* delete right */

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

  310. 			match();

  311. 			break;

  312. 		case XK_u: /* delete left */

  313. 			insert(NULL, 0 - cursor);

  314. 			break;

  315. 		case XK_w: /* delete word */

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

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

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

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

  320. 			break;

  321. 		case XK_y: /* paste selection */

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

  323. 			                  utf8, utf8, win, CurrentTime);

  324. 			return;

  325. 		case XK_Return:

  326. 		case XK_KP_Enter:

  327. 			break;

  328. 		case XK_bracketleft:

  329. 			cleanup();

  330. 			exit(1);

  331. 		default:

  332. 			return;

  333. 		}

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

  335. 		switch(ksym) {

  336. 		case XK_g: ksym = XK_Home;  break;

  337. 		case XK_G: ksym = XK_End;   break;

  338. 		case XK_h: ksym = XK_Up;    break;

  339. 		case XK_j: ksym = XK_Next;  break;

  340. 		case XK_k: ksym = XK_Prior; break;

  341. 		case XK_l: ksym = XK_Down;  break;

  342. 		default:

  343. 			return;

  344. 		}

  345. 	switch(ksym) {

  346. 	default:

  347. 		if (!iscntrl(*buf))

  348. 			insert(buf, len);

  349. 		break;

  350. 	case XK_Delete:

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

  352. 			return;

  353. 		cursor = nextrune(+1);

  354. 		/* fallthrough */

  355. 	case XK_BackSpace:

  356. 		if (cursor == 0)

  357. 			return;

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

  359. 		break;

  360. 	case XK_End:

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

  362. 			cursor = strlen(text);

  363. 			break;

  364. 		}

  365. 		if (next) {

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

  367. 			curr = matchend;

  368. 			calcoffsets();

  369. 			curr = prev;

  370. 			calcoffsets();

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

  372. 				calcoffsets();

  373. 		}

  374. 		sel = matchend;

  375. 		break;

  376. 	case XK_Escape:

  377. 		cleanup();

  378. 		exit(1);

  379. 	case XK_Home:

  380. 		if (sel == matches) {

  381. 			cursor = 0;

  382. 			break;

  383. 		}

  384. 		sel = curr = matches;

  385. 		calcoffsets();

  386. 		break;

  387. 	case XK_Left:

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

  389. 			cursor = nextrune(-1);

  390. 			break;

  391. 		}

  392. 		if (lines > 0)

  393. 			return;

  394. 		/* fallthrough */

  395. 	case XK_Up:

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

  397. 			curr = prev;

  398. 			calcoffsets();

  399. 		}

  400. 		break;

  401. 	case XK_Next:

  402. 		if (!next)

  403. 			return;

  404. 		sel = curr = next;

  405. 		calcoffsets();

  406. 		break;

  407. 	case XK_Prior:

  408. 		if (!prev)

  409. 			return;

  410. 		sel = curr = prev;

  411. 		calcoffsets();

  412. 		break;

  413. 	case XK_Return:

  414. 	case XK_KP_Enter:

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

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

  417. 			cleanup();

  418. 			exit(0);

  419. 		}

  420. 		if (sel)

  421. 			sel->out = true;

  422. 		break;

  423. 	case XK_Right:

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

  425. 			cursor = nextrune(+1);

  426. 			break;

  427. 		}

  428. 		if (lines > 0)

  429. 			return;

  430. 		/* fallthrough */

  431. 	case XK_Down:

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

  433. 			curr = next;

  434. 			calcoffsets();

  435. 		}

  436. 		break;

  437. 	case XK_Tab:

  438. 		if (!sel)

  439. 			return;

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

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

  442. 		cursor = strlen(text);

  443. 		match();

  444. 		break;

  445. 	}

  446. 	drawmenu();

  447. }

  448. 

  449. static void

  450. paste(void)

  451. {

  452. 	char *p, *q;

  453. 	int di;

  454. 	unsigned long dl;

  455. 	Atom da;

  456. 

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

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

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

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

  461. 	XFree(p);

  462. 	drawmenu();

  463. }

  464. 

  465. static void

  466. readstdin(void)

  467. {

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

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

  470. 

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

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

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

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

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

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

  477. 			*p = '\0';

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

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

  480. 		items[i].out = false;

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

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

  483. 	}

  484. 	if (items)

  485. 		items[i].text = NULL;

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

  487. 	lines = MIN(lines, i);

  488. }

  489. 

  490. static void

  491. run(void)

  492. {

  493. 	XEvent ev;

  494. 

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

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

  497. 			continue;

  498. 		switch(ev.type) {

  499. 		case Expose:

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

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

  502. 			break;

  503. 		case KeyPress:

  504. 			keypress(&ev.xkey);

  505. 			break;

  506. 		case SelectionNotify:

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

  508. 				paste();

  509. 			break;

  510. 		case VisibilityNotify:

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

  512. 				XRaiseWindow(dpy, win);

  513. 			break;

  514. 		}

  515. 	}

  516. }

  517. 

  518. static void

  519. setup(void)

  520. {

  521. 	int x, y;

  522. 	XSetWindowAttributes swa;

  523. 	XIM xim;

  524. #ifdef XINERAMA

  525. 	XineramaScreenInfo *info;

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

  527. 	XWindowAttributes wa;

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

  529. 	unsigned int du;

  530. #endif

  531. 

  532. 	/* init appearance */

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

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

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

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

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

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

  539. 

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

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

  542. 

  543. 	/* calculate menu geometry */

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

  545. 	lines = MAX(lines, 0);

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

  547. #ifdef XINERAMA

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

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

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

  551. 			i = mon;

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

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

  554. 			do {

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

  556. 					XFree(dws);

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

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

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

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

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

  562. 						area = a;

  563. 						i = j;

  564. 					}

  565. 		}

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

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

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

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

  570. 					break;

  571. 

  572. 		x = info[i].x_org;

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

  574. 		mw = info[i].width;

  575. 		XFree(info);

  576. 	} else

  577. #endif

  578. 	{

  579. 		x = 0;

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

  581. 		mw = sw;

  582. 	}

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

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

  585. 	match();

  586. 

  587. 	/* create menu window */

  588. 	swa.override_redirect = True;

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

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

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

  592. 	                    DefaultDepth(dpy, screen), CopyFromParent,

  593. 	                    DefaultVisual(dpy, screen),

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

  595. 

  596. 	/* open input methods */

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

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

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

  600. 

  601. 	XMapRaised(dpy, win);

  602. 	drw_resize(drw, mw, mh);

  603. 	drawmenu();

  604. }

  605. 

  606. static void

  607. usage(void)

  608. {

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

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

  611. 	exit(1);

  612. }

  613. 

  614. int

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

  616. {

  617. 	bool fast = false;

  618. 	int i;

  619. 

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

  621. 		/* these options take no arguments */

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

  623. 			puts("dmenu-"VERSION);

  624. 			exit(0);

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

  626. 			topbar = false;

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

  628. 			fast = true;

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

  630. 			fstrncmp = strncasecmp;

  631. 			fstrstr = cistrstr;

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

  633. 			usage();

  634. 		/* these options take one argument */

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

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

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

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

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

  640. 			prompt = argv[++i];

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

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

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

  644. 			normbgcolor = argv[++i];

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

  646. 			normfgcolor = argv[++i];

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

  648. 			selbgcolor = argv[++i];

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

  650. 			selfgcolor = argv[++i];

  651. 		else

  652. 			usage();

  653. 

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

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

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

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

  658. 	screen = DefaultScreen(dpy);

  659. 	root = RootWindow(dpy, screen);

  660. 	sw = DisplayWidth(dpy, screen);

  661. 	sh = DisplayHeight(dpy, screen);

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

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

  664. 	if (!drw->fontcount)

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

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

  667. 

  668. 	if (fast) {

  669. 		grabkeyboard();

  670. 		readstdin();

  671. 	} else {

  672. 		readstdin();

  673. 		grabkeyboard();

  674. 	}

  675. 	setup();

  676. 	run();

  677. 

  678. 	return 1; /* unreachable */

  679. }