dmenu

commit 7d5fe17391fefd978eab281a6cbebe2aa601e9ce
parent 7f36736d11418b0b11d02da8aa0cb663406706c2
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Fri, 30 Jul 2010 13:40:56 +0100

merged dmenu & dinput (clunky interface)
Diffstat:
M
Makefile
 | 
15
+++++----------
D
common.c
 | 
129
-------------------------------------------------------------------------------
D
dinput.c
 | 
230
-------------------------------------------------------------------------------
M
dmenu.c
 | 
251
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-------------
D
dmenu.h
 | 
30
------------------------------

5 files changed, 215 insertions(+), 440 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = dinput.c dmenu.c common.c
+SRC = dmenu.c
 OBJ = ${SRC:.c=.o}
 
 all: options dinput dmenu
@@ -24,17 +24,13 @@ config.h:
 	@echo creating $@ from config.def.h
 	@cp config.def.h $@
 
-dinput: dinput.o common.o
-	@echo CC -o $@
-	@${CC} -o $@ $+ ${LDFLAGS}
-
-dmenu: dmenu.o common.o
+dmenu: ${OBJ}
 	@echo CC -o $@
 	@${CC} -o $@ $+ ${LDFLAGS}
 
 clean:
 	@echo cleaning
-	@rm -f dinput dmenu ${OBJ} dmenu-${VERSION}.tar.gz
+	@rm -f dmenu ${OBJ} dmenu-${VERSION}.tar.gz
 
 dist: clean
 	@echo creating dist tarball
@@ -47,8 +43,7 @@ dist: clean
 install: all
 	@echo installing executable file to ${DESTDIR}${PREFIX}/bin
 	@mkdir -p ${DESTDIR}${PREFIX}/bin
-	@cp -f dinput dmenu dmenu_path dmenu_run ${DESTDIR}${PREFIX}/bin
-	@chmod 755 ${DESTDIR}${PREFIX}/bin/dinput
+	@cp -f dmenu dmenu_path dmenu_run ${DESTDIR}${PREFIX}/bin
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu_path
 	@chmod 755 ${DESTDIR}${PREFIX}/bin/dmenu_run
@@ -60,7 +55,7 @@ install: all
 uninstall:
 	@echo removing executable file from ${DESTDIR}${PREFIX}/bin
 	@rm -f ${DESTDIR}${PREFIX}/bin/dmenu ${DESTDIR}${PREFIX}/bin/dmenu_path
-	@rm -f ${DESTDIR}${PREFIX}/bin/dinput ${DESTDIR}${PREFIX}/bin/dmenu_run
+	@rm -f ${DESTDIR}${PREFIX}/bin/dmenu_run
 	@echo removing manual page from ${DESTDIR}${MANPREFIX}/man1
 	@rm -f ${DESTDIR}${MANPREFIX}/man1/dmenu.1
 
diff --git a/common.c b/common.c
@@ -1,129 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <X11/keysym.h>
-#ifdef XINERAMA
-#include <X11/extensions/Xinerama.h>
-#endif
-#include "dmenu.h"
-
-/* variables */
-char *prompt = NULL;
-char text[4096] = "";
-int promptw = 0;
-int screen;
-unsigned int numlockmask = 0;
-unsigned int mw, mh;
-unsigned long normcol[ColLast];
-unsigned long selcol[ColLast];
-Bool topbar = True;
-DC dc;
-Display *dpy;
-Window win, root;
-
-void
-grabkeyboard(void) {
-	unsigned int len;
-
-	for(len = 1000; len; len--) {
-		if(XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime)
-		== GrabSuccess)
-			return;
-		usleep(1000);
-	}
-	exit(EXIT_FAILURE);
-}
-
-void
-run(void) {
-	XEvent ev;
-
-	/* main event loop */
-	XSync(dpy, False);
-	while(!XNextEvent(dpy, &ev))
-		switch(ev.type) {
-		case KeyPress:
-			kpress(&ev.xkey);
-			break;
-		case Expose:
-			if(ev.xexpose.count == 0)
-				drawbar();
-			break;
-		case VisibilityNotify:
-			if(ev.xvisibility.state != VisibilityUnobscured)
-				XRaiseWindow(dpy, win);
-			break;
-		}
-	exit(EXIT_FAILURE);
-}
-
-void
-setup(unsigned int lines) {
-	int i, j, x, y;
-#if XINERAMA
-	int n;
-	XineramaScreenInfo *info = NULL;
-#endif
-	XModifierKeymap *modmap;
-	XSetWindowAttributes wa;
-
-	/* init modifier map */
-	modmap = XGetModifierMapping(dpy);
-	for(i = 0; i < 8; i++)
-		for(j = 0; j < modmap->max_keypermod; j++) {
-			if(modmap->modifiermap[i * modmap->max_keypermod + j]
-			== XKeysymToKeycode(dpy, XK_Num_Lock))
-				numlockmask = (1 << i);
-		}
-	XFreeModifiermap(modmap);
-
-	dc.dpy = dpy;
-	normcol[ColBG] = getcolor(&dc, normbgcolor);
-	normcol[ColFG] = getcolor(&dc, normfgcolor);
-	selcol[ColBG] = getcolor(&dc, selbgcolor);
-	selcol[ColFG] = getcolor(&dc, selfgcolor);
-	initfont(&dc, font);
-
-	/* input window */
-	wa.override_redirect = True;
-	wa.background_pixmap = ParentRelative;
-	wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
-
-	/* input window geometry */
-	mh = (dc.font.height + 2) * (lines + 1);
-#if XINERAMA
-	if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
-		i = 0;
-		if(n > 1) {
-			int di;
-			unsigned int dui;
-			Window dummy;
-			if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
-				for(i = 0; i < n; i++)
-					if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
-						break;
-		}
-		x = info[i].x_org;
-		y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
-		mw = info[i].width;
-		XFree(info);
-	}
-	else
-#endif
-	{
-		x = 0;
-		y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
-		mw = DisplayWidth(dpy, screen);
-	}
-
-	win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
-			DefaultDepth(dpy, screen), CopyFromParent,
-			DefaultVisual(dpy, screen),
-			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-
-	setupdraw(&dc, win);
-	if(prompt)
-		promptw = MIN(textw(&dc, prompt), mw / 5);
-	XMapRaised(dpy, win);
-}
diff --git a/dinput.c b/dinput.c
@@ -1,230 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-#include <ctype.h>
-#include <locale.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <X11/keysym.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include "dmenu.h"
-
-/* forward declarations */
-static void cleanup(void);
-
-/* variables */
-static size_t cursor = 0;
-
-void
-cleanup(void) {
-	cleanupdraw(&dc);
-	XDestroyWindow(dpy, win);
-	XUngrabKeyboard(dpy, CurrentTime);
-	XCloseDisplay(dpy);
-}
-
-void
-drawbar(void)
-{
-	dc.x = 0;
-	dc.y = 0;
-	dc.w = mw;
-	dc.h = mh;
-	drawbox(&dc, normcol);
-	/* print prompt? */
-	if(prompt) {
-		dc.w = promptw;
-		drawbox(&dc, selcol);
-		drawtext(&dc, prompt, selcol);
-		dc.x += dc.w;
-	}
-	dc.w = mw - dc.x;
-	drawtext(&dc, text, normcol);
-	drawline(&dc, textnw(&dc, text, cursor) + dc.font.height/2, 2, 1,
-			dc.font.height-2, normcol);
-	commitdraw(&dc, win);
-}
-
-void
-kpress(XKeyEvent *e) {
-	char buf[sizeof text];
-	int num;
-	unsigned int i, len;
-	KeySym ksym;
-
-	len = strlen(text);
-	num = XLookupString(e, buf, sizeof buf, &ksym, NULL);
-	if(ksym == XK_KP_Enter)
-		ksym = XK_Return;
-	else if(ksym >= XK_KP_0 && ksym <= XK_KP_9)
-		ksym = (ksym - XK_KP_0) + XK_0;
-	else if(IsFunctionKey(ksym) || IsKeypadKey(ksym)
-	|| IsMiscFunctionKey(ksym) || IsPFKey(ksym)
-	|| IsPrivateKeypadKey(ksym))
-		return;
-	/* first check if a control mask is omitted */
-	if(e->state & ControlMask) {
-		switch(tolower(ksym)) {
-		default:
-			return;
-		case XK_a:
-			ksym = XK_Home;
-			break;
-		case XK_b:
-			ksym = XK_Left;
-			break;
-		case XK_c:
-			ksym = XK_Escape;
-			break;
-		case XK_e:
-			ksym = XK_End;
-			break;
-		case XK_f:
-			ksym = XK_Right;
-			break;
-		case XK_h:
-			ksym = XK_BackSpace;
-			break;
-		case XK_j:
-		case XK_m:
-			ksym = XK_Return;
-			break;
-		case XK_k:
-			text[cursor] = '\0';
-			break;
-		case XK_u:
-			memmove(text, text + cursor, sizeof text - cursor + 1);
-			cursor = 0;
-			break;
-		case XK_w:
-			if(cursor > 0) {
-				i = cursor;
-				while(i-- > 0 && text[i] == ' ');
-				while(i-- > 0 && text[i] != ' ');
-				memmove(text + i + 1, text + cursor, sizeof text - cursor + 1);
-				cursor = i + 1;
-			}
-			break;
-		case XK_y:
-			{
-				FILE *fp;
-				char *s;
-				if(!(fp = popen("sselp", "r")))
-					eprint("cannot popen sselp\n");
-				s = fgets(buf, sizeof buf, fp);
-				pclose(fp);
-				if(s == NULL)
-					return;
-			}
-			num = strlen(buf);
-			if(num && buf[num-1] == '\n')
-				buf[--num] = '\0';
-			break;
-		}
-	}
-	switch(ksym) {
-	default:
-		num = MIN(num, sizeof text - cursor);
-		if(num && !iscntrl((int) buf[0])) {
-			memmove(text + cursor + num, text + cursor, sizeof text - cursor - num);
-			memcpy(text + cursor, buf, num);
-			cursor += num;
-		}
-		break;
-	case XK_BackSpace:
-		if(cursor == 0)
-			return;
-		for(i = 1; cursor - i > 0 && !IS_UTF8_1ST_CHAR(text[cursor - i]); i++);
-		memmove(text + cursor - i, text + cursor, sizeof text - cursor + i);
-		cursor -= i;
-		break;
-	case XK_Delete:
-		if(cursor == len)
-			return;
-		for(i = 1; cursor + i < len && !IS_UTF8_1ST_CHAR(text[cursor + i]); i++);
-		memmove(text + cursor, text + cursor + i, sizeof text - cursor);
-		break;
-	case XK_End:
-		cursor = len;
-		break;
-	case XK_Escape:
-		exit(EXIT_FAILURE);
-	case XK_Home:
-		cursor = 0;
-		break;
-	case XK_Left:
-		if(cursor == 0)
-			return;
-		while(cursor-- > 0 && !IS_UTF8_1ST_CHAR(text[cursor]));
-		break;
-	case XK_Return:
-		fprintf(stdout, "%s", text);
-		fflush(stdout);
-		exit(EXIT_SUCCESS);
-	case XK_Right:
-		if(cursor == len)
-			return;
-		while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
-		break;
-	}
-	drawbar();
-}
-
-int
-main(int argc, char *argv[]) {
-	unsigned int i;
-
-	/* command line args */
-	progname = "dinput";
-	for(i = 1; i < argc; i++)
-		if(!strcmp(argv[i], "-i"))
-			;  /* ignore flag */
-		else if(!strcmp(argv[i], "-b"))
-			topbar = False;
-		else if(!strcmp(argv[i], "-l"))
-			i++;  /* ignore flag */
-		else if(!strcmp(argv[i], "-fn")) {
-			if(++i < argc) font = argv[i];
-		}
-		else if(!strcmp(argv[i], "-nb")) {
-			if(++i < argc) normbgcolor = argv[i];
-		}
-		else if(!strcmp(argv[i], "-nf")) {
-			if(++i < argc) normfgcolor = argv[i];
-		}
-		else if(!strcmp(argv[i], "-p")) {
-			if(++i < argc) prompt = argv[i];
-		}
-		else if(!strcmp(argv[i], "-sb")) {
-			if(++i < argc) selbgcolor = argv[i];
-		}
-		else if(!strcmp(argv[i], "-sf")) {
-			if(++i < argc) selfgcolor = argv[i];
-		}
-		else if(!strcmp(argv[i], "-v")) {
-			printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
-			exit(EXIT_SUCCESS);
-		}
-		else if(!*text) {
-			strncpy(text, argv[i], sizeof text);
-			cursor = strlen(text);
-		}
-		else {
-			fputs("usage: dinput [-b] [-fn <font>] [-nb <color>] [-nf <color>]\n"
-			      "              [-p <prompt>] [-sb <color>] [-sf <color>] [-v] [<text>]\n", stderr);
-			exit(EXIT_FAILURE);
-		}
-	if(!setlocale(LC_CTYPE, "") || !XSupportsLocale())
-		fprintf(stderr, "dinput: warning: no locale support\n");
-	if(!(dpy = XOpenDisplay(NULL)))
-		eprint("cannot open display\n");
-	if(atexit(&cleanup) != 0)
-		eprint("cannot register cleanup\n");
-	screen = DefaultScreen(dpy);
-	root = RootWindow(dpy, screen);
-
-	grabkeyboard();
-	setup(0);
-	run();
-	return 0;
-}
diff --git a/dmenu.c b/dmenu.c
@@ -8,7 +8,16 @@
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
-#include "dmenu.h"
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
+#include <draw.h>
+#include "config.h"
+
+#define INRECT(x,y,rx,ry,rw,rh) ((rx) < (x) && (x) < (rx)+(rw) && (ry) < (y) && (y) < (ry)+(rh))
+#define MIN(a,b)                ((a) < (b) ? (a) : (b))
+#define MAX(a,b)                ((a) > (b) ? (a) : (b))
+#define IS_UTF8_1ST_CHAR(c)     (((c) & 0xc0) == 0xc0 || ((c) & 0x80) == 0x00)
 
 typedef struct Item Item;
 struct Item {
@@ -17,30 +26,46 @@ struct Item {
 	Item *left, *right; /* traverses items matching current search pattern */
 };
 
-/* forward declarations */
 static void appenditem(Item *i, Item **list, Item **last);
 static void calcoffsetsh(void);
 static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void cleanup(void);
-static void dinput(void);
 static void drawitem(const char *s, unsigned long col[ColLast]);
+static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
+static void grabkeyboard(void);
+static void keypress(XKeyEvent *e);
 static void match(void);
 static void readstdin(void);
+static void run(void);
+static void setup(void);
 
-/* variables */
 static char **argp = NULL;
 static char *maxname = NULL;
+static char *prompt;
+static char text[4096];
+static int promptw;
+static int screen;
+static size_t cur = 0;
 static unsigned int cmdw = 0;
 static unsigned int lines = 0;
+static unsigned int numlockmask;
+static unsigned int mw, mh;
+static unsigned long normcol[ColLast];
+static unsigned long selcol[ColLast];
+static Bool topbar = True;
+static DC dc;
+static Display *dpy;
 static Item *allitems = NULL;  /* first of all items */
 static Item *item = NULL;      /* first of pattern matching items */
 static Item *sel = NULL;
 static Item *next = NULL;
 static Item *prev = NULL;
 static Item *curr = NULL;
+static Window win, root;
+
 static int (*fstrncmp)(const char *, const char *, size_t) = strncmp;
 static char *(*fstrstr)(const char *, const char *) = strstr;
 static void (*calcoffsets)(void) = calcoffsetsh;
@@ -120,16 +145,18 @@ cleanup(void) {
 }
 
 void
-dinput(void) {
-	cleanup();
-	argp[0] = "dinput";
-	argp[1] = text;
-	execvp("dinput", argp);
-	eprint("cannot exec dinput\n");
+drawitem(const char *s, unsigned long col[ColLast]) {
+	const char *p;
+	unsigned int w = textnw(&dc, text, strlen(text));
+
+	drawbox(&dc, col);
+	drawtext(&dc, s, col);
+	for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
+		drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
 }
 
 void
-drawbar(void) {
+drawmenu(void) {
 	dc.x = 0;
 	dc.y = 0;
 	dc.w = mw;
@@ -149,6 +176,7 @@ drawbar(void) {
 	if(cmdw && item && lines == 0)
 		dc.w = cmdw;
 	drawtext(&dc, text, normcol);
+	drawline(&dc, textnw(&dc, text, cur) + dc.h/2 - 2, 2, 1, dc.h-4, normcol);
 	if(lines > 0)
 		drawmenuv();
 	else if(curr)
@@ -157,17 +185,6 @@ drawbar(void) {
 }
 
 void
-drawitem(const char *s, unsigned long col[ColLast]) {
-	const char *p;
-	unsigned int w = textnw(&dc, text, strlen(text));
-
-	drawbox(&dc, col);
-	drawtext(&dc, s, col);
-	for(p = fstrstr(s, text); *text && (p = fstrstr(p, text)); p++)
-		drawline(&dc, textnw(&dc, s, p-s) + dc.h/2 - 1, dc.h-2, w, 1, col);
-}
-
-void
 drawmenuh(void) {
 	Item *i;
 
@@ -202,7 +219,19 @@ drawmenuv(void) {
 }
 
 void
-kpress(XKeyEvent *e) {
+grabkeyboard(void) {
+	unsigned int n;
+
+	for(n = 0; n < 1000; n++) {
+		if(!XGrabKeyboard(dpy, root, True, GrabModeAsync, GrabModeAsync, CurrentTime))
+			return;
+		usleep(1000);
+	}
+	exit(EXIT_FAILURE);
+}
+
+void
+keypress(XKeyEvent *e) {
 	char buf[sizeof text];
 	int num;
 	unsigned int i, len;
@@ -248,6 +277,9 @@ kpress(XKeyEvent *e) {
 		case XK_m:
 			ksym = XK_Return;
 			break;
+		case XK_k:
+			text[cur] = '\0';
+			break;
 		case XK_n:
 			ksym = XK_Down;
 			break;
@@ -255,38 +287,67 @@ kpress(XKeyEvent *e) {
 			ksym = XK_Up;
 			break;
 		case XK_u:
-			text[0] = '\0';
+			memmove(text, text + cur, sizeof text - cur + 1);
+			cur = 0;
 			match();
 			break;
 		case XK_w:
-			if(len == 0)
+			if(cur == 0)
 				return;
-			i = len;
+			i = cur;
 			while(i-- > 0 && text[i] == ' ');
 			while(i-- > 0 && text[i] != ' ');
-			text[++i] = '\0';
+			memmove(text + i + 1, text + cur, sizeof text - cur + 1);
+			cur = i + 1;
 			match();
 			break;
+		case XK_y:
+			{
+				FILE *fp;
+				char *s;
+				if(!(fp = fopen("sselp", "r")))
+					eprint("cannot popen sselp\n");
+				s = fgets(buf, sizeof buf, fp);
+				fclose(fp);
+				if(!s)
+					return;
+			}
+			num = strlen(buf);
+			if(num && buf[num-1] == '\n')
+				buf[--num] = '\0';
+			break;
 		}
 	}
 	switch(ksym) {
 	default:
 		num = MIN(num, sizeof text);
 		if(num && !iscntrl((int) buf[0])) {
-			memcpy(text + len, buf, num + 1);
-			len += num;
+			memmove(text + cur + num, text + cur, sizeof text - cur - num);
+			memcpy(text + cur, buf, num);
+			cur += num;
 			match();
 		}
 		break;
 	case XK_BackSpace:
-		if(len == 0)
+		if(cur == 0)
 			return;
-		for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
-		len -= i;
-		text[len] = '\0';
+		for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[cur - i]); i++);
+		memmove(text + cur - i, text + cur, sizeof text - cur + i);
+		cur -= i;
+		match();
+		break;
+	case XK_Delete:
+		if(cur == len)
+			return;
+		for(i = 1; cur + i < len && !IS_UTF8_1ST_CHAR(text[cur + i]); i++);
+		memmove(text + cur, text + cur + i, sizeof text - cur);
 		match();
 		break;
 	case XK_End:
+		if(cur < len) {
+			cur = len;
+			break;
+		}
 		while(next) {
 			sel = curr = next;
 			calcoffsets();
@@ -297,10 +358,20 @@ kpress(XKeyEvent *e) {
 	case XK_Escape:
 		exit(EXIT_FAILURE);
 	case XK_Home:
+		if(sel == item) {
+			cur = 0;
+			break;
+		}
 		sel = curr = item;
 		calcoffsets();
 		break;
 	case XK_Left:
+		if(cur > 0 && (!sel || !sel->left || lines > 0)) {
+			while(cur-- > 0 && !IS_UTF8_1ST_CHAR(text[cur]));
+			break;
+		}
+		if(lines > 0)
+			return;
 	case XK_Up:
 		if(!sel || !sel->left)
 			return;
@@ -323,12 +394,16 @@ kpress(XKeyEvent *e) {
 		calcoffsets();
 		break;
 	case XK_Return:
-		if(e->state & ShiftMask)
-			dinput();
-		fprintf(stdout, "%s", sel ? sel->text : text);
+		fprintf(stdout, "%s", ((e->state & ShiftMask) || sel) ? sel->text : text);
 		fflush(stdout);
 		exit(EXIT_SUCCESS);
 	case XK_Right:
+		if(cur < len) {
+			while(cur++ < len && !IS_UTF8_1ST_CHAR(text[cur]));
+			break;
+		}
+		if(lines > 0)
+			return;
 	case XK_Down:
 		if(!sel || !sel->right)
 			return;
@@ -339,12 +414,14 @@ kpress(XKeyEvent *e) {
 		}
 		break;
 	case XK_Tab:
-		if(sel)
-			strncpy(text, sel->text, sizeof text);
-		dinput();
+		if(!sel)
+			return;
+		strncpy(text, sel->text, sizeof text);
+		cur = strlen(text);
+		match();
 		break;
 	}
-	drawbar();
+	drawmenu();
 }
 
 void
@@ -413,6 +490,98 @@ readstdin(void) {
 	}
 }
 
+void
+run(void) {
+	XEvent ev;
+
+	XSync(dpy, False);
+	while(!XNextEvent(dpy, &ev))
+		switch(ev.type) {
+		case Expose:
+			if(ev.xexpose.count == 0)
+				drawmenu();
+			break;
+		case KeyPress:
+			keypress(&ev.xkey);
+			break;
+		case VisibilityNotify:
+			if(ev.xvisibility.state != VisibilityUnobscured)
+				XRaiseWindow(dpy, win);
+			break;
+		}
+	exit(EXIT_FAILURE);
+}
+
+void
+setup(void) {
+	int i, j, x, y;
+#if XINERAMA
+	int n;
+	XineramaScreenInfo *info = NULL;
+#endif
+	XModifierKeymap *modmap;
+	XSetWindowAttributes wa;
+
+	/* init modifier map */
+	modmap = XGetModifierMapping(dpy);
+	for(i = 0; i < 8; i++)
+		for(j = 0; j < modmap->max_keypermod; j++) {
+			if(modmap->modifiermap[i * modmap->max_keypermod + j]
+			== XKeysymToKeycode(dpy, XK_Num_Lock))
+				numlockmask = (1 << i);
+		}
+	XFreeModifiermap(modmap);
+
+	dc.dpy = dpy;
+	normcol[ColBG] = getcolor(&dc, normbgcolor);
+	normcol[ColFG] = getcolor(&dc, normfgcolor);
+	selcol[ColBG] = getcolor(&dc, selbgcolor);
+	selcol[ColFG] = getcolor(&dc, selfgcolor);
+	initfont(&dc, font);
+
+	/* input window */
+	wa.override_redirect = True;
+	wa.background_pixmap = ParentRelative;
+	wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
+
+	/* input window geometry */
+	mh = (dc.font.height + 2) * (lines + 1);
+#if XINERAMA
+	if(XineramaIsActive(dpy) && (info = XineramaQueryScreens(dpy, &n))) {
+		i = 0;
+		if(n > 1) {
+			int di;
+			unsigned int dui;
+			Window dummy;
+			if(XQueryPointer(dpy, root, &dummy, &dummy, &x, &y, &di, &di, &dui))
+				for(i = 0; i < n; i++)
+					if(INRECT(x, y, info[i].x_org, info[i].y_org, info[i].width, info[i].height))
+						break;
+		}
+		x = info[i].x_org;
+		y = topbar ? info[i].y_org : info[i].y_org + info[i].height - mh;
+		mw = info[i].width;
+		XFree(info);
+	}
+	else
+#endif
+	{
+		x = 0;
+		y = topbar ? 0 : DisplayHeight(dpy, screen) - mh;
+		mw = DisplayWidth(dpy, screen);
+	}
+
+	win = XCreateWindow(dpy, root, x, y, mw, mh, 0,
+			DefaultDepth(dpy, screen), CopyFromParent,
+			DefaultVisual(dpy, screen),
+			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
+
+	setupdraw(&dc, win);
+	if(prompt)
+		promptw = MIN(textw(&dc, prompt), mw / 5);
+	XMapRaised(dpy, win);
+}
+
 int
 main(int argc, char *argv[]) {
 	unsigned int i;
@@ -472,7 +641,7 @@ main(int argc, char *argv[]) {
 
 	readstdin();
 	grabkeyboard();
-	setup(lines);
+	setup();
 	if(maxname)
 		cmdw = MIN(textw(&dc, maxname), mw / 3);
 	match();
diff --git a/dmenu.h b/dmenu.h
@@ -1,30 +0,0 @@
-#include <X11/Xlib.h>
-#include <draw.h>
-#include "config.h"
-
-/* macros */
-#define INRECT(X,Y,RX,RY,RW,RH) ((X) >= (RX) && (X) < (RX) + (RW) && (Y) >= (RY) && (Y) < (RY) + (RH))
-#define MIN(a, b)               ((a) < (b) ? (a) : (b))
-#define MAX(a, b)               ((a) > (b) ? (a) : (b))
-#define IS_UTF8_1ST_CHAR(c)     ((((c) & 0xc0) == 0xc0) || !((c) & 0x80))
-
-/* forward declarations */
-void drawbar(void);
-void grabkeyboard(void);
-void kpress(XKeyEvent *e);
-void run(void);
-void setup(unsigned int lines);
-
-/* variables */
-extern char *prompt;
-extern char text[4096];
-extern int promptw;
-extern int screen;
-extern unsigned int numlockmask;
-extern unsigned int mw, mh;
-extern unsigned long normcol[ColLast];
-extern unsigned long selcol[ColLast];
-extern Bool topbar;
-extern DC dc;
-extern Display *dpy;
-extern Window win, root;