dmenu

dmenu.c (26460B)

---

 /* 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/Xproto.h>
 #include <X11/Xatom.h>
 #include <X11/Xutil.h>
 #include <X11/Xresource.h>
 #ifdef XINERAMA
 #include <X11/extensions/Xinerama.h>
 #endif
 #include <X11/Xft/Xft.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)
 #define NUMBERSMAXDIGITS      100
 #define NUMBERSBUFSIZE        (NUMBERSMAXDIGITS * 2) + 1
 
 #define OPAQUE                0xffU
 
 /* enums */
 enum { SchemeNorm, SchemeSel, SchemeOut, SchemeLast }; /* color schemes */
 
 struct item {
 	char *text;
 	struct item *left, *right;
 	int out;
 };
 
 static char numbers[NUMBERSBUFSIZE] = "";
 static char text[BUFSIZ] = "";
 static char *embed;
 static int bh, mw, mh;
 static int inputw = 0, promptw, passwd = 0;
 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];
 
 /* Xresources preferences */
 enum resource_type {
 	STRING = 0,
 	INTEGER = 1,
 	FLOAT = 2
 };
 typedef struct {
 	char *name;
 	enum resource_type type;
 	void *dst;
 } ResourcePref;
 
 static void load_xresources(void);
 static void resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst);
 static int useargb = 0;
 static Visual *visual;
 static int depth;
 static Colormap cmap;
 
 #include "config.h"
 
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static void xinitvisual();
 
 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 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)
 {
 	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
 recalculatenumbers()
 {
 	unsigned int numer = 0, denom = 0;
 	struct item *item;
 	if (matchend) {
 		numer++;
 		for (item = matchend; item && item->left; item = item->left)
 			numer++;
 	}
 	for (item = items; item && item->text; item++)
 		denom++;
 	snprintf(numbers, NUMBERSBUFSIZE, "%d/%d", numer, denom);
 }
 
 static void
 drawmenu(void)
 {
 	unsigned int curpos;
 	struct item *item;
 	int x = 0, y = 0, w;
 	char *censort;
 
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	drw_rect(drw, 0, 0, mw, mh, 1, 1);
 
 	if (prompt && *prompt) {
 		if (colorprompt)
 		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]);
 	if (passwd) {
 	        censort = ecalloc(1, sizeof(text));
 		memset(censort, '*', strlen(text));
 		drw_text(drw, x, 0, w, bh, lrpad / 2, censort, 0);
 		free(censort);
 	} else 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]);
 	}
 
 	recalculatenumbers();
 	if (lines > 0) {
 		/* draw vertical list */
 		for (item = curr; item != next; item = item->right)
 			drawitem(item, 0, 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(">") - TEXTW(numbers)));
 		if (next) {
 			w = TEXTW(">");
 			drw_setscheme(drw, scheme[SchemeNorm]);
 			drw_text(drw, mw - w - TEXTW(numbers), 0, w, bh, lrpad / 2, ">", 0);
 		}
 	}
 	drw_setscheme(drw, scheme[SchemeNorm]);
 	drw_text(drw, mw - TEXTW(numbers), 0, TEXTW(numbers), bh, lrpad / 2, numbers, 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
 buttonpress(XEvent *e)
 {
 	struct item *item;
 	XButtonPressedEvent *ev = &e->xbutton;
 	int x = 0, y = 0, h = bh, w;
 
 	if (ev->window != win)
 		return;
 
 	/* right-click: exit */
 	if (ev->button == Button3)
 		exit(1);
 
 	if (prompt && *prompt)
 		x += promptw;
 
 	/* input field */
 	w = (lines > 0 || !matches) ? mw - x : inputw;
 
 	/* left-click on input: clear input,
 	 * NOTE: if there is no left-arrow the space for < is reserved so
 	 *       add that to the input width */
 	if (ev->button == Button1 &&
 	   ((lines <= 0 && ev->x >= 0 && ev->x <= x + w +
 	   ((!prev || !curr->left) ? TEXTW("<") : 0)) ||
 	   (lines > 0 && ev->y >= y && ev->y <= y + h))) {
 		insert(NULL, -cursor);
 		drawmenu();
 		return;
 	}
 	/* middle-mouse click: paste selection */
 	if (ev->button == Button2) {
 		XConvertSelection(dpy, (ev->state & ShiftMask) ? clip : XA_PRIMARY,
 		                  utf8, utf8, win, CurrentTime);
 		drawmenu();
 		return;
 	}
 	/* scroll up */
 	if (ev->button == Button4 && prev) {
 		sel = curr = prev;
 		calcoffsets();
 		drawmenu();
 		return;
 	}
 	/* scroll down */
 	if (ev->button == Button5 && next) {
 		sel = curr = next;
 		calcoffsets();
 		drawmenu();
 		return;
 	}
 	if (ev->button != Button1)
 		return;
 	/* disabled below, needs to be fixed */
 	/*
 	if (ev->state & ~ControlMask)
 		return;
 	*/
 	if (lines > 0) {
 		/* vertical list: (ctrl)left-click on item */
 		w = mw - x;
 		for (item = curr; item != next; item = item->right) {
 			y += h;
 			if (ev->y >= y && ev->y <= (y + h)) {
 				puts(item->text);
 				if (!(ev->state & ControlMask))
 					exit(0);
 				sel = item;
 				if (sel) {
 					sel->out = 1;
 					drawmenu();
 				}
 				return;
 			}
 		}
 	} else if (matches) {
 		/* left-click on left arrow */
 		x += inputw;
 		w = TEXTW("<");
 		if (prev && curr->left) {
 			if (ev->x >= x && ev->x <= x + w) {
 				sel = curr = prev;
 				calcoffsets();
 				drawmenu();
 				return;
 			}
 		}
 		/* horizontal list: (ctrl)left-click on item */
 		for (item = curr; item != next; item = item->right) {
 			x += w;
 			w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
 			if (ev->x >= x && ev->x <= x + w) {
 				puts(item->text);
 				if (!(ev->state & ControlMask))
 					exit(0);
 				sel = item;
 				if (sel) {
 					sel->out = 1;
 					drawmenu();
 				}
 				return;
 			}
 		}
 		/* left-click on right arrow */
 		w = TEXTW(">");
 		x = mw - w;
 		if (next && ev->x >= x && ev->x <= x + w) {
 			sel = curr = next;
 			calcoffsets();
 			drawmenu();
 			return;
 		}
 	}
 }
 
 static void
 mousemove(XEvent *e)
 {
 	struct item *item;
 	XPointerMovedEvent *ev = &e->xmotion;
 	int x = 0, y = 0, h = bh, w;
 
 	if (lines > 0) {
 		w = mw - x;
 		for (item = curr; item != next; item = item->right) {
 			y += h;
 			if (ev->y >= y && ev->y <= (y + h)) {
 				sel = item;
 				calcoffsets();
 				drawmenu();
 				return;
 			}
 		}
 	} else if (matches) {
 		x += inputw;
 		w = TEXTW("<");
 		for (item = curr; item != next; item = item->right) {
 			x += w;
 			w = MIN(TEXTW(item->text), mw - x - TEXTW(">"));
 			if (ev->x >= x && ev->x <= x + w) {
 				sel = item;
 				calcoffsets();
 				drawmenu();
 				return;
 			}
 		}
 	}
 }
 
 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;
 	if(passwd){
     	inputw = lines = 0;
     	return;
   	}
 
 	/* 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);
 }
 
 void
 resource_load(XrmDatabase db, char *name, enum resource_type rtype, void *dst)
 {
 	char *sdst = NULL;
 	int *idst = NULL;
 	float *fdst = NULL;
 	sdst = dst;
 	idst = dst;
 	fdst = dst;
 	char fullname[256];
 	char *type;
 	XrmValue ret;
 	snprintf(fullname, sizeof(fullname), "%s.%s", "dmenu", name);
 	fullname[sizeof(fullname) - 1] = '\0';
 	XrmGetResource(db, fullname, "*", &type, &ret);
 	if (!(ret.addr == NULL || strncmp("String", type, 64)))
 	{
 		switch (rtype) {
 		case STRING:
 			strcpy(sdst, ret.addr);
 			break;
 		case INTEGER:
 			*idst = strtoul(ret.addr, NULL, 10);
 			break;
 		case FLOAT:
 			*fdst = strtof(ret.addr, NULL);
 			break;
 		}
 	}
 }
 
 void
 load_xresources(void)
 {
 	Display *display;
 	char *resm;
 	XrmDatabase db;
 	ResourcePref *p;
 	display = XOpenDisplay(NULL);
 	resm = XResourceManagerString(display);
 	if (!resm)
 		return;
 	db = XrmGetStringDatabase(resm);
 	for (p = resources; p < resources + LENGTH(resources); p++)
 		resource_load(db, p->name, p->type, p->dst);
 	XCloseDisplay(display);
 }
 
 static void
 run(void)
 {
 	XEvent ev;
 
 	while (!XNextEvent(dpy, &ev)) {
 		if (XFilterEvent(&ev, win))
 			continue;
 		switch(ev.type) {
 		case DestroyNotify:
 			if (ev.xdestroywindow.window != win)
 				break;
 			cleanup();
 			exit(1);
 		case ButtonPress:
 			buttonpress(&ev);
 			break;
 		case MotionNotify:
 			mousemove(&ev);
 			break;
 		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, colors[j], alphas[i], 2);
 
 	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;
 	promptw = (prompt && *prompt) ? TEXTW(prompt) - lrpad / 4 : 0;
 #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;
 
 	        if (centered) {
 			mw = MIN(MAX(max_textw() + promptw, min_width), info[i].width);
 			x = info[i].x_org + ((info[i].width  - mw) / 2);
 			y = info[i].y_org + ((info[i].height - mh) / 2);
 		} else {
 			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);
 
 		if (centered) {
 			mw = MIN(MAX(max_textw() + promptw, min_width), wa.width);
 			x = (wa.width  - mw) / 2;
 			y = (wa.height - mh) / 2;
 		} else {
 			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 = 0;
     swa.border_pixel = 0;
     swa.colormap = cmap;
 	swa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask |
                      ButtonPressMask | PointerMotionMask;
     win = XCreateWindow(dpy, parentwin, x, y, mw, mh, border_width,
                         depth, CopyFromParent, visual,
                         CWOverrideRedirect | CWBackPixel | CWBorderPixel | CWColormap | CWEventMask, &swa);
     XSetWindowBorder(dpy, win, scheme[SchemeSel][ColBg].pixel);
 	XSetClassHint(dpy, win, &ch);
 
 	/* input methods */
 	if ((xim = XOpenIM(dpy, NULL, NULL, NULL)) == NULL)
 		die("XOpenIM failed: could not open input device");
 
 	xic = XCreateIC(xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
 	                XNClientWindow, win, XNFocusWindow, win, NULL);
 
 	XMapRaised(dpy, win);
 	if (embed) {
 		XSelectInput(dpy, parentwin, FocusChangeMask | SubstructureNotifyMask);
 		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 [-bfivP] [-l lines] [-p prompt] [-fn font] [-m monitor]\n"
  	      "             [-nb color] [-nf color] [-sb color] [-sf color] [-w windowid]\n", stderr);
 	exit(1);
 }
 
 int
 main(int argc, char *argv[])
 {
 	XWindowAttributes wa;
 	int i, fast = 0;
 
 	XrmInitialize();
 	load_xresources();
 
 	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], "-c"))   /* centers dmenu on screen */
 			centered = 1;
 		else if (!strcmp(argv[i], "-i")) { /* case-insensitive item matching */
 			fstrncmp = strncasecmp;
 			fstrstr = cistrstr;
 		} else if (!strcmp(argv[i], "-P"))   /* is the input a password */
 			passwd = 1;
 		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 */
 			fonts[0] = argv[++i];
 		else if (!strcmp(argv[i], "-nb"))  /* normal background color */
 			colors[SchemeNorm][ColBg] = argv[++i];
 		else if (!strcmp(argv[i], "-nf"))  /* normal foreground color */
 			colors[SchemeNorm][ColFg] = argv[++i];
 		else if (!strcmp(argv[i], "-sb"))  /* selected background color */
 			colors[SchemeSel][ColBg] = argv[++i];
 		else if (!strcmp(argv[i], "-sf"))  /* selected foreground color */
 			colors[SchemeSel][ColFg] = 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 (!(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);
     xinitvisual();
     drw = drw_create(dpy, screen, root, wa.width, wa.height, visual, depth, cmap);
 	if (!drw_fontset_create(drw, fonts, LENGTH(fonts)))
 		die("no fonts could be loaded.");
 	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 */
 }
 
 void
 xinitvisual()
 {
     XVisualInfo *infos;
     XRenderPictFormat *fmt;
     int nitems;
     int i;
 
     XVisualInfo tpl = {
         .screen = screen,
         .depth = 32,
         .class = TrueColor
     };
     long masks = VisualScreenMask | VisualDepthMask | VisualClassMask;
 
     infos = XGetVisualInfo(dpy, masks, &tpl, &nitems);
     visual = NULL;
     for(i = 0; i < nitems; i ++) {
         fmt = XRenderFindVisualFormat(dpy, infos[i].visual);
         if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
             visual = infos[i].visual;
             depth = infos[i].depth;
             cmap = XCreateColormap(dpy, root, visual, AllocNone);
             useargb = 1;
             break;
         }
     }
 
     XFree(infos);
 
     if (! visual) {
         visual = DefaultVisual(dpy, screen);
         depth = DefaultDepth(dpy, screen);
         cmap = DefaultColormap(dpy, screen);
     }
 }