add config and patches

config.h

@@ -0,0 +1,23 @@
+/* See LICENSE file for copyright and license details. */
+/* Default settings; can be overriden by command line. */
+
+static int topbar = 1;                      /* -b  option; if 0, dmenu appears at bottom     */
+/* -fn option overrides fonts[0]; default X11 font or font set */
+static const char *fonts[] = {
+	"monospace:size=10"
+};
+static const char *prompt      = NULL;      /* -p  option; prompt to the left of input field */
+static const char *colors[SchemeLast][2] = {
+	/*     fg         bg       */
+	[SchemeNorm] = { "#bbbbbb", "#222222" },
+	[SchemeSel] = { "#eeeeee", "#005577" },
+	[SchemeOut] = { "#000000", "#00ffff" },
+};
+/* -l option; if nonzero, dmenu uses vertical list with given number of lines */
+static unsigned int lines      = 8;
+
+/*
+ * Characters not considered part of a word while deleting words
+ * for example: " /?\"&[]"
+ */
+static const char worddelimiters[] = " ";

dmenu.c

@@ -15,6 +15,7 @@
 #include <X11/extensions/Xinerama.h>
 #endif
 #include <X11/Xft/Xft.h>
+#include <X11/Xresource.h>
 
 #include "drw.h"
 #include "util.h"
@@ -53,6 +54,10 @@ static XIC xic;
 static Drw *drw;
 static Clr *scheme[SchemeLast];
 
+/* Temporary arrays to allow overriding xresources values */
+static char *colortemp[4];
+static char *tempfonts;
+
 #include "config.h"
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
@@ -89,6 +94,15 @@ calcoffsets(void)
 			break;
 }
 
+static int
+max_textw(void)
+{
+	int len = 0;
+	for (struct item *item = items; item && item->text; item++)
+		len = MAX(TEXTW(item->text), len);
+	return len;
+}
+
 static void
 cleanup(void)
 {
@@ -596,8 +610,13 @@ setup(void)
 	int a, di, n, area = 0;
 #endif
 	/* init appearance */
-	for (j = 0; j < SchemeLast; j++)
-		scheme[j] = drw_scm_create(drw, colors[j], 2);
+	for (j = 0; j < SchemeLast; j++) {
+		scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2);
+	}
+	for (j = 0; j < SchemeOut; ++j) {
+		for (i = 0; i < 2; ++i)
+			free(colors[j][i]);
+	}
 
 	clip = XInternAtom(dpy, "CLIPBOARD",   False);
 	utf8 = XInternAtom(dpy, "UTF8_STRING", False);
@@ -606,6 +625,7 @@ setup(void)
 	bh = drw->fonts->h + 2;
 	lines = MAX(lines, 0);
 	mh = (lines + 1) * bh;
+	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 #ifdef XINERAMA
 	i = 0;
 	if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
@@ -632,9 +652,9 @@ setup(void)
 				if (INTERSECT(x, y, 1, 1, info[i]))
 					break;
 
-		x = info[i].x_org;
-		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
-		mw = info[i].width;
+		mw = MIN(MAX(max_textw() + promptw, 100), info[i].width);
+		x = info[i].x_org + ((info[i].width  - mw) / 2);
+		y = info[i].y_org + ((info[i].height - mh) / 2);
 		XFree(info);
 	} else
 #endif
@@ -642,11 +662,10 @@ setup(void)
 		if (!XGetWindowAttributes(dpy, parentwin, &wa))
 			die("could not get embedding window attributes: 0x%lx",
 			    parentwin);
-		x = 0;
-		y = topbar ? 0 : wa.height - mh;
-		mw = wa.width;
+		mw = MIN(MAX(max_textw() + promptw, 100), wa.width);
+		x = (wa.width  - mw) / 2;
+		y = (wa.height - mh) / 2;
 	}
-	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 	inputw = MIN(inputw, mw/3);
 	match();
 
@@ -687,6 +706,41 @@ usage(void)
 	exit(1);
 }
 
+void
+readxresources(void) {
+	XrmInitialize();
+
+	char* xrm;
+	if ((xrm = XResourceManagerString(drw->dpy))) {
+		char *type;
+		XrmDatabase xdb = XrmGetStringDatabase(xrm);
+		XrmValue xval;
+
+		if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval))
+			fonts[0] = strdup(xval.addr);
+		else
+			fonts[0] = strdup(fonts[0]);
+		if (XrmGetResource(xdb, "color0", "*", &type, &xval))
+			colors[SchemeNorm][ColBg] = strdup(xval.addr);
+		else
+			colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]);
+		if (XrmGetResource(xdb, "color12", "*", &type, &xval))
+			colors[SchemeNorm][ColFg] = strdup(xval.addr);
+		else
+			colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]);
+		if (XrmGetResource(xdb, "color12", "*", &type, &xval))
+			colors[SchemeSel][ColBg] = strdup(xval.addr);
+		else
+			colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]);
+		if (XrmGetResource(xdb, "color0", "*", &type, &xval))
+			colors[SchemeSel][ColFg] = strdup(xval.addr);
+		else
+			colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]);
+
+		XrmDestroyDatabase(xdb);
+	}
+}
+
 int
 main(int argc, char *argv[])
 {
@@ -715,15 +769,15 @@ main(int argc, char *argv[])
 		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
 			prompt = argv[++i];
 		else if (!strcmp(argv[i], "-fn"))  /* font or font set */
-			fonts[0] = argv[++i];
+			tempfonts = argv[++i];
 		else if (!strcmp(argv[i], "-nb"))  /* normal background color */
-			colors[SchemeNorm][ColBg] = argv[++i];
+			colortemp[0] = argv[++i];
 		else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
-			colors[SchemeNorm][ColFg] = argv[++i];
+			colortemp[1] = argv[++i];
 		else if (!strcmp(argv[i], "-sb"))  /* selected background color */
-			colors[SchemeSel][ColBg] = argv[++i];
+			colortemp[2] = argv[++i];
 		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
-			colors[SchemeSel][ColFg] = argv[++i];
+			colortemp[3] = argv[++i];
 		else if (!strcmp(argv[i], "-w"))   /* embedding window id */
 			embed = argv[++i];
 		else
@@ -743,8 +797,23 @@ main(int argc, char *argv[])
 		die("could not get embedding window attributes: 0x%lx",
 		    parentwin);
 	drw = drw_create(dpy, screen, root, wa.width, wa.height);
-	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
+	readxresources();
+	/* Now we check whether to override xresources with commandline parameters */
+	if ( tempfonts )
+	   fonts[0] = strdup(tempfonts);
+	if ( colortemp[0])
+	   colors[SchemeNorm][ColBg] = strdup(colortemp[0]);
+	if ( colortemp[1])
+	   colors[SchemeNorm][ColFg] = strdup(colortemp[1]);
+	if ( colortemp[2])
+	   colors[SchemeSel][ColBg]  = strdup(colortemp[2]);
+	if ( colortemp[3])
+	   colors[SchemeSel][ColFg]  = strdup(colortemp[3]);
+
+	if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
+
+	free(fonts[0]);
 	lrpad = drw->fonts->h;
 
 #ifdef __OpenBSD__

dmenu.c.orig

@@ -0,0 +1,826 @@
+/* See LICENSE file for copyright and license details. */
+#include <ctype.h>
+#include <locale.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Xutil.h>
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <X11/Xft/Xft.h>
+#include <X11/Xresource.h>
+
+#include "drw.h"
+#include "util.h"
+
+/* macros */
+#define INTERSECT(x,y,w,h,r)  (MAX(0, MIN((x)+(w),(r).x_org+(r).width)  - MAX((x),(r).x_org)) \
+                             * MAX(0, MIN((y)+(h),(r).y_org+(r).height) - MAX((y),(r).y_org)))
+#define LENGTH(X)             (sizeof X / sizeof X[0])
+#define TEXTW(X)              (drw_fontset_getwidth(drw, (X)) + lrpad)
+
+/* enums */
+enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
+
+struct item {
+	char *text;
+	struct item *left, *right;
+	int out;
+};
+
+static char text[BUFSIZ] = "";
+static char *embed;
+static int bh, mw, mh;
+static int inputw = 0, promptw;
+static int lrpad; /* sum of left and right padding */
+static size_t cursor;
+static struct item *items = NULL;
+static struct item *matches, *matchend;
+static struct item *prev, *curr, *next, *sel;
+static int mon = -1, screen;
+
+static Atom clip, utf8;
+static Display *dpy;
+static Window root, parentwin, win;
+static XIC xic;
+
+static Drw *drw;
+static Clr *scheme[SchemeLast];
+
+/* Temporary arrays to allow overriding xresources values */
+static char *colortemp[4];
+static char *tempfonts;
+
+#include "config.h"
+
+static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
+static char *(*fstrstr)(const char *, const char *) = strstr;
+
+static void
+appenditem(struct item *item, struct item **list, struct item **last)
+{
+	if (*last)
+		(*last)->right = item;
+	else
+		*list = item;
+
+	item->left = *last;
+	item->right = NULL;
+	*last = item;
+}
+
+static void
+calcoffsets(void)
+{
+	int i, n;
+
+	if (lines > 0)
+		n = lines * bh;
+	else
+		n = mw - (promptw + inputw + TEXTW("<") + TEXTW(">"));
+	/* calculate which items will begin the next page and previous page */
+	for (i = 0, next = curr; next; next = next->right)
+		if ((i += (lines > 0) ? bh : MIN(TEXTW(next->text), n)) > n)
+			break;
+	for (i = 0, prev = curr; prev && prev->left; prev = prev->left)
+		if ((i += (lines > 0) ? bh : MIN(TEXTW(prev->left->text), n)) > n)
+			break;
+}
+
+static void
+cleanup(void)
+{
+	size_t i;
+
+	XUngrabKey(dpy, AnyKey, AnyModifier, root);
+	for (i = 0; i < SchemeLast; i++)
+		free(scheme[i]);
+	drw_free(drw);
+	XSync(dpy, False);
+	XCloseDisplay(dpy);
+}
+
+static char *
+cistrstr(const char *s, const char *sub)
+{
+	size_t len;
+
+	for (len = strlen(sub); *s; s++)
+		if (!strncasecmp(s, sub, len))
+			return (char *)s;
+	return NULL;
+}
+
+static int
+drawitem(struct item *item, int x, int y, int w)
+{
+	if (item == sel)
+		drw_setscheme(drw, scheme[SchemeSel]);
+	else if (item->out)
+		drw_setscheme(drw, scheme[SchemeOut]);
+	else
+		drw_setscheme(drw, scheme[SchemeNorm]);
+
+	return drw_text(drw, x, y, w, bh, lrpad / 2, item->text, 0);
+}
+
+static void
+drawmenu(void)
+{
+	unsigned int curpos;
+	struct item *item;
+	int x = 0, y = 0, w;
+
+	drw_setscheme(drw, scheme[SchemeNorm]);
+	drw_rect(drw, 0, 0, mw, mh, 1, 1);
+
+	if (prompt && *prompt) {
+		drw_setscheme(drw, scheme[SchemeSel]);
+		x = drw_text(drw, x, 0, promptw, bh, lrpad / 2, prompt, 0);
+	}
+	/* draw input field */
+	w = (lines > 0 || !matches) ? mw - x : inputw;
+	drw_setscheme(drw, scheme[SchemeNorm]);
+	drw_text(drw, x, 0, w, bh, lrpad / 2, text, 0);
+
+	curpos = TEXTW(text) - TEXTW(&text[cursor]);
+	if ((curpos += lrpad / 2 - 1) < w) {
+		drw_setscheme(drw, scheme[SchemeNorm]);
+		drw_rect(drw, x + curpos, 2, 2, bh - 4, 1, 0);
+	}
+
+	if (lines > 0) {
+		/* draw vertical list */
+		for (item = curr; item != next; item = item->right)
+			drawitem(item, x, y += bh, mw - x);
+	} else if (matches) {
+		/* draw horizontal list */
+		x += inputw;
+		w = TEXTW("<");
+		if (curr->left) {
+			drw_setscheme(drw, scheme[SchemeNorm]);
+			drw_text(drw, x, 0, w, bh, lrpad / 2, "<", 0);
+		}
+		x += w;
+		for (item = curr; item != next; item = item->right)
+			x = drawitem(item, x, 0, MIN(TEXTW(item->text), mw - x - TEXTW(">")));
+		if (next) {
+			w = TEXTW(">");
+			drw_setscheme(drw, scheme[SchemeNorm]);
+			drw_text(drw, mw - w, 0, w, bh, lrpad / 2, ">", 0);
+		}
+	}
+	drw_map(drw, win, 0, 0, mw, mh);
+}
+
+static void
+grabfocus(void)
+{
+	struct timespec ts = { .tv_sec = 0, .tv_nsec = 10000000  };
+	Window focuswin;
+	int i, revertwin;
+
+	for (i = 0; i < 100; ++i) {
+		XGetInputFocus(dpy, &focuswin, &revertwin);
+		if (focuswin == win)
+			return;
+		XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
+		nanosleep(&ts, NULL);
+	}
+	die("cannot grab focus");
+}
+
+static void
+grabkeyboard(void)
+{
+	struct timespec ts = { .tv_sec = 0, .tv_nsec = 1000000  };
+	int i;
+
+	if (embed)
+		return;
+	/* try to grab keyboard, we may have to wait for another process to ungrab */
+	for (i = 0; i < 1000; i++) {
+		if (XGrabKeyboard(dpy, DefaultRootWindow(dpy), True, GrabModeAsync,
+		                  GrabModeAsync, CurrentTime) == GrabSuccess)
+			return;
+		nanosleep(&ts, NULL);
+	}
+	die("cannot grab keyboard");
+}
+
+static void
+match(void)
+{
+	static char **tokv = NULL;
+	static int tokn = 0;
+
+	char buf[sizeof text], *s;
+	int i, tokc = 0;
+	size_t len, textsize;
+	struct item *item, *lprefix, *lsubstr, *prefixend, *substrend;
+
+	strcpy(buf, text);
+	/* separate input text into tokens to be matched individually */
+	for (s = strtok(buf, " "); s; tokv[tokc - 1] = s, s = strtok(NULL, " "))
+		if (++tokc > tokn && !(tokv = realloc(tokv, ++tokn * sizeof *tokv)))
+			die("cannot realloc %u bytes:", tokn * sizeof *tokv);
+	len = tokc ? strlen(tokv[0]) : 0;
+
+	matches = lprefix = lsubstr = matchend = prefixend = substrend = NULL;
+	textsize = strlen(text) + 1;
+	for (item = items; item && item->text; item++) {
+		for (i = 0; i < tokc; i++)
+			if (!fstrstr(item->text, tokv[i]))
+				break;
+		if (i != tokc) /* not all tokens match */
+			continue;
+		/* exact matches go first, then prefixes, then substrings */
+		if (!tokc || !fstrncmp(text, item->text, textsize))
+			appenditem(item, &matches, &matchend);
+		else if (!fstrncmp(tokv[0], item->text, len))
+			appenditem(item, &lprefix, &prefixend);
+		else
+			appenditem(item, &lsubstr, &substrend);
+	}
+	if (lprefix) {
+		if (matches) {
+			matchend->right = lprefix;
+			lprefix->left = matchend;
+		} else
+			matches = lprefix;
+		matchend = prefixend;
+	}
+	if (lsubstr) {
+		if (matches) {
+			matchend->right = lsubstr;
+			lsubstr->left = matchend;
+		} else
+			matches = lsubstr;
+		matchend = substrend;
+	}
+	curr = sel = matches;
+	calcoffsets();
+}
+
+static void
+insert(const char *str, ssize_t n)
+{
+	if (strlen(text) + n > sizeof text - 1)
+		return;
+	/* move existing text out of the way, insert new text, and update cursor */
+	memmove(&text[cursor + n], &text[cursor], sizeof text - cursor - MAX(n, 0));
+	if (n > 0)
+		memcpy(&text[cursor], str, n);
+	cursor += n;
+	match();
+}
+
+static size_t
+nextrune(int inc)
+{
+	ssize_t n;
+
+	/* return location of next utf8 rune in the given direction (+1 or -1) */
+	for (n = cursor + inc; n + inc >= 0 && (text[n] & 0xc0) == 0x80; n += inc)
+		;
+	return n;
+}
+
+static void
+movewordedge(int dir)
+{
+	if (dir < 0) { /* move cursor to the start of the word*/
+		while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
+			cursor = nextrune(-1);
+		while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
+			cursor = nextrune(-1);
+	} else { /* move cursor to the end of the word */
+		while (text[cursor] && strchr(worddelimiters, text[cursor]))
+			cursor = nextrune(+1);
+		while (text[cursor] && !strchr(worddelimiters, text[cursor]))
+			cursor = nextrune(+1);
+	}
+}
+
+static void
+keypress(XKeyEvent *ev)
+{
+	char buf[32];
+	int len;
+	KeySym ksym;
+	Status status;
+
+	len = XmbLookupString(xic, ev, buf, sizeof buf, &ksym, &status);
+	switch (status) {
+	default: /* XLookupNone, XBufferOverflow */
+		return;
+	case XLookupChars:
+		goto insert;
+	case XLookupKeySym:
+	case XLookupBoth:
+		break;
+	}
+
+	if (ev->state & ControlMask) {
+		switch(ksym) {
+		case XK_a: ksym = XK_Home;      break;
+		case XK_b: ksym = XK_Left;      break;
+		case XK_c: ksym = XK_Escape;    break;
+		case XK_d: ksym = XK_Delete;    break;
+		case XK_e: ksym = XK_End;       break;
+		case XK_f: ksym = XK_Right;     break;
+		case XK_g: ksym = XK_Escape;    break;
+		case XK_h: ksym = XK_BackSpace; break;
+		case XK_i: ksym = XK_Tab;       break;
+		case XK_j: /* fallthrough */
+		case XK_J: /* fallthrough */
+		case XK_m: /* fallthrough */
+		case XK_M: ksym = XK_Return; ev->state &= ~ControlMask; break;
+		case XK_n: ksym = XK_Down;      break;
+		case XK_p: ksym = XK_Up;        break;
+
+		case XK_k: /* delete right */
+			text[cursor] = '\0';
+			match();
+			break;
+		case XK_u: /* delete left */
+			insert(NULL, 0 - cursor);
+			break;
+		case XK_w: /* delete word */
+			while (cursor > 0 && strchr(worddelimiters, text[nextrune(-1)]))
+				insert(NULL, nextrune(-1) - cursor);
+			while (cursor > 0 && !strchr(worddelimiters, text[nextrune(-1)]))
+				insert(NULL, nextrune(-1) - cursor);
+			break;
+		case XK_y: /* paste selection */
+		case XK_Y:
+			XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
+			                  utf8, utf8, win, CurrentTime);
+			return;
+		case XK_Left:
+			movewordedge(-1);
+			goto draw;
+		case XK_Right:
+			movewordedge(+1);
+			goto draw;
+		case XK_Return:
+		case XK_KP_Enter:
+			break;
+		case XK_bracketleft:
+			cleanup();
+			exit(1);
+		default:
+			return;
+		}
+	} else if (ev->state & Mod1Mask) {
+		switch(ksym) {
+		case XK_b:
+			movewordedge(-1);
+			goto draw;
+		case XK_f:
+			movewordedge(+1);
+			goto draw;
+		case XK_g: ksym = XK_Home;  break;
+		case XK_G: ksym = XK_End;   break;
+		case XK_h: ksym = XK_Up;    break;
+		case XK_j: ksym = XK_Next;  break;
+		case XK_k: ksym = XK_Prior; break;
+		case XK_l: ksym = XK_Down;  break;
+		default:
+			return;
+		}
+	}
+
+	switch(ksym) {
+	default:
+insert:
+		if (!iscntrl(*buf))
+			insert(buf, len);
+		break;
+	case XK_Delete:
+		if (text[cursor] == '\0')
+			return;
+		cursor = nextrune(+1);
+		/* fallthrough */
+	case XK_BackSpace:
+		if (cursor == 0)
+			return;
+		insert(NULL, nextrune(-1) - cursor);
+		break;
+	case XK_End:
+		if (text[cursor] != '\0') {
+			cursor = strlen(text);
+			break;
+		}
+		if (next) {
+			/* jump to end of list and position items in reverse */
+			curr = matchend;
+			calcoffsets();
+			curr = prev;
+			calcoffsets();
+			while (next && (curr = curr->right))
+				calcoffsets();
+		}
+		sel = matchend;
+		break;
+	case XK_Escape:
+		cleanup();
+		exit(1);
+	case XK_Home:
+		if (sel == matches) {
+			cursor = 0;
+			break;
+		}
+		sel = curr = matches;
+		calcoffsets();
+		break;
+	case XK_Left:
+		if (cursor > 0 && (!sel || !sel->left || lines > 0)) {
+			cursor = nextrune(-1);
+			break;
+		}
+		if (lines > 0)
+			return;
+		/* fallthrough */
+	case XK_Up:
+		if (sel && sel->left && (sel = sel->left)->right == curr) {
+			curr = prev;
+			calcoffsets();
+		}
+		break;
+	case XK_Next:
+		if (!next)
+			return;
+		sel = curr = next;
+		calcoffsets();
+		break;
+	case XK_Prior:
+		if (!prev)
+			return;
+		sel = curr = prev;
+		calcoffsets();
+		break;
+	case XK_Return:
+	case XK_KP_Enter:
+		puts((sel && !(ev->state & ShiftMask)) ? sel->text : text);
+		if (!(ev->state & ControlMask)) {
+			cleanup();
+			exit(0);
+		}
+		if (sel)
+			sel->out = 1;
+		break;
+	case XK_Right:
+		if (text[cursor] != '\0') {
+			cursor = nextrune(+1);
+			break;
+		}
+		if (lines > 0)
+			return;
+		/* fallthrough */
+	case XK_Down:
+		if (sel && sel->right && (sel = sel->right) == next) {
+			curr = next;
+			calcoffsets();
+		}
+		break;
+	case XK_Tab:
+		if (!sel)
+			return;
+		strncpy(text, sel->text, sizeof text - 1);
+		text[sizeof text - 1] = '\0';
+		cursor = strlen(text);
+		match();
+		break;
+	}
+
+draw:
+	drawmenu();
+}
+
+static void
+paste(void)
+{
+	char *p, *q;
+	int di;
+	unsigned long dl;
+	Atom da;
+
+	/* we have been given the current selection, now insert it into input */
+	if (XGetWindowProperty(dpy, win, utf8, 0, (sizeof text / 4) + 1, False,
+	                   utf8, &da, &di, &dl, &dl, (unsigned char **)&p)
+	    == Success && p) {
+		insert(p, (q = strchr(p, '\n')) ? q - p : (ssize_t)strlen(p));
+		XFree(p);
+	}
+	drawmenu();
+}
+
+static void
+readstdin(void)
+{
+	char buf[sizeof text], *p;
+	size_t i, imax = 0, size = 0;
+	unsigned int tmpmax = 0;
+
+	/* read each line from stdin and add it to the item list */
+	for (i = 0; fgets(buf, sizeof buf, stdin); i++) {
+		if (i + 1 >= size / sizeof *items)
+			if (!(items = realloc(items, (size += BUFSIZ))))
+				die("cannot realloc %u bytes:", size);
+		if ((p = strchr(buf, '\n')))
+			*p = '\0';
+		if (!(items[i].text = strdup(buf)))
+			die("cannot strdup %u bytes:", strlen(buf) + 1);
+		items[i].out = 0;
+		drw_font_getexts(drw->fonts, buf, strlen(buf), &tmpmax, NULL);
+		if (tmpmax > inputw) {
+			inputw = tmpmax;
+			imax = i;
+		}
+	}
+	if (items)
+		items[i].text = NULL;
+	inputw = items ? TEXTW(items[imax].text) : 0;
+	lines = MIN(lines, i);
+}
+
+static void
+run(void)
+{
+	XEvent ev;
+
+	while (!XNextEvent(dpy, &ev)) {
+		if (XFilterEvent(&ev, None))
+			continue;
+		switch(ev.type) {
+		case Expose:
+			if (ev.xexpose.count == 0)
+				drw_map(drw, win, 0, 0, mw, mh);
+			break;
+		case FocusIn:
+			/* regrab focus from parent window */
+			if (ev.xfocus.window != win)
+				grabfocus();
+			break;
+		case KeyPress:
+			keypress(&ev.xkey);
+			break;
+		case SelectionNotify:
+			if (ev.xselection.property == utf8)
+				paste();
+			break;
+		case VisibilityNotify:
+			if (ev.xvisibility.state != VisibilityUnobscured)
+				XRaiseWindow(dpy, win);
+			break;
+		}
+	}
+}
+
+static void
+setup(void)
+{
+	int x, y, i, j;
+	unsigned int du;
+	XSetWindowAttributes swa;
+	XIM xim;
+	Window w, dw, *dws;
+	XWindowAttributes wa;
+	XClassHint ch = {"dmenu", "dmenu"};
+#ifdef XINERAMA
+	XineramaScreenInfo *info;
+	Window pw;
+	int a, di, n, area = 0;
+#endif
+	/* init appearance */
+	for (j = 0; j < SchemeLast; j++) {
+		scheme[j] = drw_scm_create(drw, (const char**)colors[j], 2);
+	}
+	for (j = 0; j < SchemeOut; ++j) {
+		for (i = 0; i < 2; ++i)
+			free(colors[j][i]);
+	}
+
+	clip = XInternAtom(dpy, "CLIPBOARD",   False);
+	utf8 = XInternAtom(dpy, "UTF8_STRING", False);
+
+	/* calculate menu geometry */
+	bh = drw->fonts->h + 2;
+	lines = MAX(lines, 0);
+	mh = (lines + 1) * bh;
+#ifdef XINERAMA
+	i = 0;
+	if (parentwin == root && (info = XineramaQueryScreens(dpy, &n))) {
+		XGetInputFocus(dpy, &w, &di);
+		if (mon >= 0 && mon < n)
+			i = mon;
+		else if (w != root && w != PointerRoot && w != None) {
+			/* find top-level window containing current input focus */
+			do {
+				if (XQueryTree(dpy, (pw = w), &dw, &w, &dws, &du) && dws)
+					XFree(dws);
+			} while (w != root && w != pw);
+			/* find xinerama screen with which the window intersects most */
+			if (XGetWindowAttributes(dpy, pw, &wa))
+				for (j = 0; j < n; j++)
+					if ((a = INTERSECT(wa.x, wa.y, wa.width, wa.height, info[j])) > area) {
+						area = a;
+						i = j;
+					}
+		}
+		/* no focused window is on screen, so use pointer location instead */
+		if (mon < 0 && !area && XQueryPointer(dpy, root, &dw, &dw, &x, &y, &di, &di, &du))
+			for (i = 0; i < n; i++)
+				if (INTERSECT(x, y, 1, 1, info[i]))
+					break;
+
+		x = info[i].x_org;
+		y = info[i].y_org + (topbar ? 0 : info[i].height - mh);
+		mw = info[i].width;
+		XFree(info);
+	} else
+#endif
+	{
+		if (!XGetWindowAttributes(dpy, parentwin, &wa))
+			die("could not get embedding window attributes: 0x%lx",
+			    parentwin);
+		x = 0;
+		y = topbar ? 0 : wa.height - mh;
+		mw = wa.width;
+	}
+	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
+	inputw = MIN(inputw, mw/3);
+	match();
+
+	/* create menu window */
+	swa.override_redirect = True;
+	swa.background_pixel = scheme[SchemeNorm][ColBg].pixel;
+	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+	win = XCreateWindow(dpy, parentwin, x, y, mw, mh, 0,
+	                    CopyFromParent, CopyFromParent, CopyFromParent,
+	                    CWOverrideRedirect | CWBackPixel | CWEventMask, &swa);
+	XSetClassHint(dpy, win, &ch);
+
+	/* open input methods */
+	xim = XOpenIM(dpy, NULL, NULL, NULL);
+	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+	                XNClientWindow, win, XNFocusWindow, win, NULL);
+
+	XMapRaised(dpy, win);
+	XSetInputFocus(dpy, win, RevertToParent, CurrentTime);
+	if (embed) {
+		XSelectInput(dpy, parentwin, FocusChangeMask);
+		if (XQueryTree(dpy, parentwin, &dw, &w, &dws, &du) && dws) {
+			for (i = 0; i < du && dws[i] != win; ++i)
+				XSelectInput(dpy, dws[i], FocusChangeMask);
+			XFree(dws);
+		}
+		grabfocus();
+	}
+	drw_resize(drw, mw, mh);
+	drawmenu();
+}
+
+static void
+usage(void)
+{
+	fputs("usage: dmenu [-bfiv] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
+	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
+	exit(1);
+}
+
+void
+readxresources(void) {
+	XrmInitialize();
+
+	char* xrm;
+	if ((xrm = XResourceManagerString(drw->dpy))) {
+		char *type;
+		XrmDatabase xdb = XrmGetStringDatabase(xrm);
+		XrmValue xval;
+
+		if (XrmGetResource(xdb, "dmenu.font", "*", &type, &xval))
+			fonts[0] = strdup(xval.addr);
+		else
+			fonts[0] = strdup(fonts[0]);
+		if (XrmGetResource(xdb, "dmenu.background", "*", &type, &xval))
+			colors[SchemeNorm][ColBg] = strdup(xval.addr);
+		else
+			colors[SchemeNorm][ColBg] = strdup(colors[SchemeNorm][ColBg]);
+		if (XrmGetResource(xdb, "dmenu.foreground", "*", &type, &xval))
+			colors[SchemeNorm][ColFg] = strdup(xval.addr);
+		else
+			colors[SchemeNorm][ColFg] = strdup(colors[SchemeNorm][ColFg]);
+		if (XrmGetResource(xdb, "dmenu.selbackground", "*", &type, &xval))
+			colors[SchemeSel][ColBg] = strdup(xval.addr);
+		else
+			colors[SchemeSel][ColBg] = strdup(colors[SchemeSel][ColBg]);
+		if (XrmGetResource(xdb, "dmenu.selforeground", "*", &type, &xval))
+			colors[SchemeSel][ColFg] = strdup(xval.addr);
+		else
+			colors[SchemeSel][ColFg] = strdup(colors[SchemeSel][ColFg]);
+
+		XrmDestroyDatabase(xdb);
+	}
+}
+
+int
+main(int argc, char *argv[])
+{
+	XWindowAttributes wa;
+	int i, fast = 0;
+
+	for (i = 1; i < argc; i++)
+		/* these options take no arguments */
+		if (!strcmp(argv[i], "-v")) {      /* prints version information */
+			puts("dmenu-"VERSION);
+			exit(0);
+		} else if (!strcmp(argv[i], "-b")) /* appears at the bottom of the screen */
+			topbar = 0;
+		else if (!strcmp(argv[i], "-f"))   /* grabs keyboard before reading stdin */
+			fast = 1;
+		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
+			fstrncmp = strncasecmp;
+			fstrstr = cistrstr;
+		} else if (i + 1 == argc)
+			usage();
+		/* these options take one argument */
+		else if (!strcmp(argv[i], "-l"))   /* number of lines in vertical list */
+			lines = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "-m"))
+			mon = atoi(argv[++i]);
+		else if (!strcmp(argv[i], "-p"))   /* adds prompt to left of input field */
+			prompt = argv[++i];
+		else if (!strcmp(argv[i], "-fn"))  /* font or font set */
+			tempfonts = argv[++i];
+		else if (!strcmp(argv[i], "-nb"))  /* normal background color */
+			colortemp[0] = argv[++i];
+		else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
+			colortemp[1] = argv[++i];
+		else if (!strcmp(argv[i], "-sb"))  /* selected background color */
+			colortemp[2] = argv[++i];
+		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
+			colortemp[3] = argv[++i];
+		else if (!strcmp(argv[i], "-w"))   /* embedding window id */
+			embed = argv[++i];
+		else
+			usage();
+
+	if (!setlocale(LC_CTYPE, "") || !XSupportsLocale())
+		fputs("warning: no locale support\n", stderr);
+	if (!XSetLocaleModifiers(""))
+		fputs("warning: no locale modifiers support\n", stderr);
+	if (!(dpy = XOpenDisplay(NULL)))
+		die("cannot open display");
+	screen = DefaultScreen(dpy);
+	root = RootWindow(dpy, screen);
+	if (!embed || !(parentwin = strtol(embed, NULL, 0)))
+		parentwin = root;
+	if (!XGetWindowAttributes(dpy, parentwin, &wa))
+		die("could not get embedding window attributes: 0x%lx",
+		    parentwin);
+	drw = drw_create(dpy, screen, root, wa.width, wa.height);
+	readxresources();
+	/* Now we check whether to override xresources with commandline parameters */
+	if ( tempfonts )
+	   fonts[0] = strdup(tempfonts);
+	if ( colortemp[0])
+	   colors[SchemeNorm][ColBg] = strdup(colortemp[0]);
+	if ( colortemp[1])
+	   colors[SchemeNorm][ColFg] = strdup(colortemp[1]);
+	if ( colortemp[2])
+	   colors[SchemeSel][ColBg]  = strdup(colortemp[2]);
+	if ( colortemp[3])
+	   colors[SchemeSel][ColFg]  = strdup(colortemp[3]);
+
+	if (!drw_fontset_create(drw, (const char**)fonts, LENGTH(fonts)))
+		die("no fonts could be loaded.");
+
+	free(fonts[0]);
+	lrpad = drw->fonts->h;
+
+#ifdef __OpenBSD__
+	if (pledge("stdio rpath", NULL) == -1)
+		die("pledge");
+#endif
+
+	if (fast && !isatty(0)) {
+		grabkeyboard();
+		readstdin();
+	} else {
+		readstdin();
+		grabkeyboard();
+	}
+	setup();
+	run();
+
+	return 1; /* unreachable */
+}