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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 <unistd.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. typedef struct Item Item;

  32. struct Item {

  33. 	char *text;

  34. 	Item *left, *right;

  35. 	bool out;

  36. };

  37. 

  38. static void appenditem(Item *item, Item **list, Item **last);

  39. static void calcoffsets(void);

  40. static char *cistrstr(const char *s, const char *sub);

  41. static void cleanup(void);

  42. static void drawmenu(void);

  43. static void grabkeyboard(void);

  44. static void insert(const char *str, ssize_t n);

  45. static void keypress(XKeyEvent *ev);

  46. static void match(void);

  47. static size_t nextrune(int inc);

  48. static void paste(void);

  49. static void readstdin(void);

  50. static void run(void);

  51. static void setup(void);

  52. static void usage(void);

  53. 

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

  55. static int bh, mw, mh;

  56. static int inputw, promptw;

  57. static size_t cursor = 0;

  58. static Atom clip, utf8;

  59. static Item *items = NULL;

  60. static Item *matches, *matchend;

  61. static Item *prev, *curr, *next, *sel;

  62. static Window win;

  63. static XIC xic;

  64. static int mon = -1;

  65. 

  66. static ClrScheme scheme[SchemeLast];

  67. static Display *dpy;

  68. static int screen;

  69. static Window root;

  70. static Drw *drw;

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

  72. 

  73. #include "config.h"

  74. 

  75. static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;

  76. static char *(*fstrstr)(const char *, const char *) = strstr;

  77. 

  78. int

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

  80. 	bool fast = false;

  81. 	int i;

  82. 

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

  84. 		/* these options take no arguments */

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

  86. 			puts("dmenu-"VERSION", © 2006-2015 dmenu engineers, see LICENSE for details");

  87. 			exit(0);

  88. 		}

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

  90. 			topbar = false;

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

  92. 			fast = true;

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

  94. 			fstrncmp = strncasecmp;

  95. 			fstrstr = cistrstr;

  96. 		}

  97. 		else if(i+1 == argc)

  98. 			usage();

  99. 		/* these options take one argument */

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

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

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

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

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

  105. 			prompt = argv[++i];

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

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

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

  109. 			normbgcolor = argv[++i];

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

  111. 			normfgcolor = argv[++i];

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

  113. 			selbgcolor = argv[++i];

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

  115. 			selfgcolor = argv[++i];

  116. 		else

  117. 			usage();

  118. 

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

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

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

  122. 		die("dmenu: cannot open display\n");

  123. 	screen = DefaultScreen(dpy);

  124. 	root = RootWindow(dpy, screen);

  125. 	sw = DisplayWidth(dpy, screen);

  126. 	sh = DisplayHeight(dpy, screen);

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

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

  129. 	if(!drw->fontcount)

  130. 		die("No fonts could be loaded.\n");

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

  132. 

  133. 	if(fast) {

  134. 		grabkeyboard();

  135. 		readstdin();

  136. 	}

  137. 	else {

  138. 		readstdin();

  139. 		grabkeyboard();

  140. 	}

  141. 	setup();

  142. 	run();

  143. 

  144. 	return 1; /* unreachable */

  145. }

  146. 

  147. void

  148. appenditem(Item *item, Item **list, Item **last) {

  149. 	if(*last)

  150. 		(*last)->right = item;

  151. 	else

  152. 		*list = item;

  153. 

  154. 	item->left = *last;

  155. 	item->right = NULL;

  156. 	*last = item;

  157. }

  158. 

  159. void

  160. calcoffsets(void) {

  161. 	int i, n;

  162. 

  163. 	if(lines > 0)

  164. 		n = lines * bh;

  165. 	else

  166. 		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));

  167. 	/* calculate which items will begin the next page and previous page */

  168. 	for(i = 0, next = curr; next; next = next->right)

  169. 		if((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)

  170. 			break;

  171. 	for(i = 0, prev = curr; prev && prev->left; prev = prev->left)

  172. 		if((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)

  173. 			break;

  174. }

  175. 

  176. void

  177. cleanup(void) {

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

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

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

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

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

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

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

  185. 	drw_free(drw);

  186. 	XSync(dpy, False);

  187. 	XCloseDisplay(dpy);

  188. }

  189. 

  190. char *

  191. cistrstr(const char *s, const char *sub) {

  192. 	size_t len;

  193. 

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

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

  196. 			return (char *)s;

  197. 	return NULL;

  198. }

  199. 

  200. void

  201. drawmenu(void) {

  202. 	int curpos;

  203. 	Item *item;

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

  205. 

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

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

  208. 

  209. 	if(prompt && *prompt) {

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

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

  212. 		x += promptw;

  213. 	}

  214. 	/* draw input field */

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

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

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

  218. 

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

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

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

  222. 	}

  223. 

  224. 	if(lines > 0) {

  225. 		/* draw vertical list */

  226. 		w = mw - x;

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

  228. 			y += h;

  229. 			if(item == sel)

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

  231. 			else if(item->out)

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

  233. 			else

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

  235. 

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

  237. 		}

  238. 	}

  239. 	else if(matches) {

  240. 		/* draw horizontal list */

  241. 		x += inputw;

  242. 		w = TEXTW("<");

  243. 		if(curr->left) {

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

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

  246. 		}

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

  248. 			x += w;

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

  250. 

  251. 			if(item == sel)

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

  253. 			else if(item->out)

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

  255. 			else

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

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

  258. 		}

  259. 		w = TEXTW(">");

  260. 		x = mw - w;

  261. 		if(next) {

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

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

  264. 		}

  265. 	}

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

  267. }

  268. 

  269. void

  270. grabkeyboard(void) {

  271. 	int i;

  272. 

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

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

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

  276. 		                 GrabModeAsync, GrabModeAsync, CurrentTime) == GrabSuccess)

  277. 			return;

  278. 		usleep(1000);

  279. 	}

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

  281. }

  282. 

  283. void

  284. insert(const char *str, ssize_t n) {

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

  286. 		return;

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

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

  289. 	if(n > 0)

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

  291. 	cursor += n;

  292. 	match();

  293. }

  294. 

  295. void

  296. keypress(XKeyEvent *ev) {

  297. 	char buf[32];

  298. 	int len;

  299. 	KeySym ksym = NoSymbol;

  300. 	Status status;

  301. 

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

  303. 	if(status == XBufferOverflow)

  304. 		return;

  305. 	if(ev->state & ControlMask)

  306. 		switch(ksym) {

  307. 		case XK_a: ksym = XK_Home;      break;

  308. 		case XK_b: ksym = XK_Left;      break;

  309. 		case XK_c: ksym = XK_Escape;    break;

  310. 		case XK_d: ksym = XK_Delete;    break;

  311. 		case XK_e: ksym = XK_End;       break;

  312. 		case XK_f: ksym = XK_Right;     break;

  313. 		case XK_g: ksym = XK_Escape;    break;

  314. 		case XK_h: ksym = XK_BackSpace; break;

  315. 		case XK_i: ksym = XK_Tab;       break;

  316. 		case XK_j: /* fallthrough */

  317. 		case XK_J: /* fallthrough */

  318. 		case XK_m: /* fallthrough */

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

  320. 		case XK_n: ksym = XK_Down;      break;

  321. 		case XK_p: ksym = XK_Up;        break;

  322. 

  323. 		case XK_k: /* delete right */

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

  325. 			match();

  326. 			break;

  327. 		case XK_u: /* delete left */

  328. 			insert(NULL, 0 - cursor);

  329. 			break;

  330. 		case XK_w: /* delete word */

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

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

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

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

  335. 			break;

  336. 		case XK_y: /* paste selection */

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

  338. 			                  utf8, utf8, win, CurrentTime);

  339. 			return;

  340. 		case XK_Return:

  341. 		case XK_KP_Enter:

  342. 			break;

  343. 		case XK_bracketleft:

  344. 			cleanup();

  345. 			exit(1);

  346. 		default:

  347. 			return;

  348. 		}

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

  350. 		switch(ksym) {

  351. 		case XK_g: ksym = XK_Home;  break;

  352. 		case XK_G: ksym = XK_End;   break;

  353. 		case XK_h: ksym = XK_Up;    break;

  354. 		case XK_j: ksym = XK_Next;  break;

  355. 		case XK_k: ksym = XK_Prior; break;

  356. 		case XK_l: ksym = XK_Down;  break;

  357. 		default:

  358. 			return;

  359. 		}

  360. 	switch(ksym) {

  361. 	default:

  362. 		if(!iscntrl(*buf))

  363. 			insert(buf, len);

  364. 		break;

  365. 	case XK_Delete:

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

  367. 			return;

  368. 		cursor = nextrune(+1);

  369. 		/* fallthrough */

  370. 	case XK_BackSpace:

  371. 		if(cursor == 0)

  372. 			return;

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

  374. 		break;

  375. 	case XK_End:

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

  377. 			cursor = strlen(text);

  378. 			break;

  379. 		}

  380. 		if(next) {

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

  382. 			curr = matchend;

  383. 			calcoffsets();

  384. 			curr = prev;

  385. 			calcoffsets();

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

  387. 				calcoffsets();

  388. 		}

  389. 		sel = matchend;

  390. 		break;

  391. 	case XK_Escape:

  392. 		cleanup();

  393. 		exit(1);

  394. 	case XK_Home:

  395. 		if(sel == matches) {

  396. 			cursor = 0;

  397. 			break;

  398. 		}

  399. 		sel = curr = matches;

  400. 		calcoffsets();

  401. 		break;

  402. 	case XK_Left:

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

  404. 			cursor = nextrune(-1);

  405. 			break;

  406. 		}

  407. 		if(lines > 0)

  408. 			return;

  409. 		/* fallthrough */

  410. 	case XK_Up:

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

  412. 			curr = prev;

  413. 			calcoffsets();

  414. 		}

  415. 		break;

  416. 	case XK_Next:

  417. 		if(!next)

  418. 			return;

  419. 		sel = curr = next;

  420. 		calcoffsets();

  421. 		break;

  422. 	case XK_Prior:

  423. 		if(!prev)

  424. 			return;

  425. 		sel = curr = prev;

  426. 		calcoffsets();

  427. 		break;

  428. 	case XK_Return:

  429. 	case XK_KP_Enter:

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

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

  432. 			cleanup();

  433. 			exit(0);

  434. 		}

  435. 		if(sel)

  436. 			sel->out = true;

  437. 		break;

  438. 	case XK_Right:

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

  440. 			cursor = nextrune(+1);

  441. 			break;

  442. 		}

  443. 		if(lines > 0)

  444. 			return;

  445. 		/* fallthrough */

  446. 	case XK_Down:

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

  448. 			curr = next;

  449. 			calcoffsets();

  450. 		}

  451. 		break;

  452. 	case XK_Tab:

  453. 		if(!sel)

  454. 			return;

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

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

  457. 		cursor = strlen(text);

  458. 		match();

  459. 		break;

  460. 	}

  461. 	drawmenu();

  462. }

  463. 

  464. void

  465. match(void) {

  466. 	static char **tokv = NULL;

  467. 	static int tokn = 0;

  468. 

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

  470. 	int i, tokc = 0;

  471. 	size_t len;

  472. 	Item *item, *lprefix, *lsubstr, *prefixend, *substrend;

  473. 

  474. 	strcpy(buf, text);

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

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

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

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

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

  480. 

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

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

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

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

  485. 				break;

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

  487. 			continue;

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

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

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

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

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

  493. 		else

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

  495. 	}

  496. 	if(lprefix) {

  497. 		if(matches) {

  498. 			matchend->right = lprefix;

  499. 			lprefix->left = matchend;

  500. 		}

  501. 		else

  502. 			matches = lprefix;

  503. 		matchend = prefixend;

  504. 	}

  505. 	if(lsubstr) {

  506. 		if(matches) {

  507. 			matchend->right = lsubstr;

  508. 			lsubstr->left = matchend;

  509. 		}

  510. 		else

  511. 			matches = lsubstr;

  512. 		matchend = substrend;

  513. 	}

  514. 	curr = sel = matches;

  515. 	calcoffsets();

  516. }

  517. 

  518. size_t

  519. nextrune(int inc) {

  520. 	ssize_t n;

  521. 

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

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

  524. 	return n;

  525. }

  526. 

  527. void

  528. paste(void) {

  529. 	char *p, *q;

  530. 	int di;

  531. 	unsigned long dl;

  532. 	Atom da;

  533. 

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

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

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

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

  538. 	XFree(p);

  539. 	drawmenu();

  540. }

  541. 

  542. void

  543. readstdin(void) {

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

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

  546. 

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

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

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

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

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

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

  553. 			*p = '\0';

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

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

  556. 		items[i].out = false;

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

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

  559. 	}

  560. 	if(items)

  561. 		items[i].text = NULL;

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

  563. 	lines = MIN(lines, i);

  564. }

  565. 

  566. void

  567. run(void) {

  568. 	XEvent ev;

  569. 

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

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

  572. 			continue;

  573. 		switch(ev.type) {

  574. 		case Expose:

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

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

  577. 			break;

  578. 		case KeyPress:

  579. 			keypress(&ev.xkey);

  580. 			break;

  581. 		case SelectionNotify:

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

  583. 				paste();

  584. 			break;

  585. 		case VisibilityNotify:

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

  587. 				XRaiseWindow(dpy, win);

  588. 			break;

  589. 		}

  590. 	}

  591. }

  592. 

  593. void

  594. setup(void) {

  595. 	int x, y;

  596. 	XSetWindowAttributes swa;

  597. 	XIM xim;

  598. #ifdef XINERAMA

  599. 	XineramaScreenInfo *info;

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

  601. 	XWindowAttributes wa;

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

  603. 	unsigned int du;

  604. #endif

  605. 

  606. 	/* init appearance */

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

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

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

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

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

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

  613. 

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

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

  616. 

  617. 	/* calculate menu geometry */

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

  619. 	lines = MAX(lines, 0);

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

  621. #ifdef XINERAMA

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

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

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

  625. 			i = mon;

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

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

  628. 			do {

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

  630. 					XFree(dws);

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

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

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

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

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

  636. 						area = a;

  637. 						i = j;

  638. 					}

  639. 		}

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

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

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

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

  644. 					break;

  645. 

  646. 		x = info[i].x_org;

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

  648. 		mw = info[i].width;

  649. 		XFree(info);

  650. 	}

  651. 	else

  652. #endif

  653. 	{

  654. 		x = 0;

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

  656. 		mw = sw;

  657. 	}

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

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

  660. 	match();

  661. 

  662. 	/* create menu window */

  663. 	swa.override_redirect = True;

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

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

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

  667. 	                    DefaultDepth(dpy, screen), CopyFromParent,

  668. 	                    DefaultVisual(dpy, screen),

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

  670. 

  671. 	/* open input methods */

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

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

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

  675. 

  676. 	XMapRaised(dpy, win);

  677. 	drw_resize(drw, mw, mh);

  678. 	drawmenu();

  679. }

  680. 

  681. void

  682. usage(void) {

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

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

  685. 	exit(1);

  686. }