dmenu

commit 855a56631916bdff1438e11c232b88450f973648
parent 29e8faed6cf4b296382439651cf04596d276f080
Author: Connor Lane Smith <cls@lubutu.com>
Date:   Fri,  2 Jul 2010 06:49:05 +0100

added dmenu.h, common.c
Diffstat:
Makefile
 | 
10
+++++++---
common.c
 | 
129
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
config.def.h
 | 
11
+++++------
dinput.c
 | 
150
+++++--------------------------------------------------------------------------
dmenu.c
 | 
188
+++++++++++--------------------------------------------------------------------
dmenu.h
 | 
30
++++++++++++++++++++++++++++++

6 files changed, 204 insertions(+), 314 deletions(-)
diff --git a/Makefile b/Makefile
@@ -3,7 +3,7 @@
 
 include config.mk
 
-SRC = dinput.c dmenu.c
+SRC = dinput.c dmenu.c common.c
 OBJ = ${SRC:.c=.o}
 
 all: options dinput dmenu
@@ -24,9 +24,13 @@ config.h:
 	@echo creating $@ from config.def.h
 	@cp config.def.h $@
 
-.o:
+dinput: dinput.o common.o
 	@echo CC -o $@
-	@${CC} -o $@ $< ${LDFLAGS}
+	@${CC} -o $@ $+ ${LDFLAGS}
+
+dmenu: dmenu.o common.o
+	@echo CC -o $@
+	@${CC} -o $@ $+ ${LDFLAGS}
 
 clean:
 	@echo cleaning
diff --git a/common.c b/common.c
@@ -0,0 +1,129 @@
+/* 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/config.def.h b/config.def.h
@@ -1,9 +1,8 @@
 /* See LICENSE file for copyright and license details. */
 
 /* appearance */
-const char *font        = "-*-terminus-medium-r-normal-*-14-*-*-*-*-*-*-*";
-const char *normbgcolor = "#cccccc";
-const char *normfgcolor = "#000000";
-const char *selbgcolor  = "#0066ff";
-const char *selfgcolor  = "#ffffff";
-unsigned int spaceitem  = 30; /* px between menu items */
+static const char *font        = "-*-terminus-medium-r-normal-*-14-*-*-*-*-*-*-*";
+static const char *normbgcolor = "#cccccc";
+static const char *normfgcolor = "#000000";
+static const char *selbgcolor  = "#0066ff";
+static const char *selfgcolor  = "#ffffff";
diff --git a/dinput.c b/dinput.c
@@ -4,45 +4,16 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
-#ifdef XINERAMA
-#include <X11/extensions/Xinerama.h>
-#endif
-#include <draw.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))
+#include "dmenu.h"
 
 /* forward declarations */
 static void cleanup(void);
-static void drawinput(void);
-static void grabkeyboard(void);
-static void kpress(XKeyEvent *e);
-static void run(void);
-static void setup(void);
-
-#include "config.h"
 
 /* variables */
-static char *prompt = NULL;
-static char text[4096];
-static int promptw = 0;
-static int screen;
 static size_t cursor = 0;
-static unsigned int numlockmask = 0;
-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 Window win, root;
 
 void
 cleanup(void) {
@@ -53,7 +24,7 @@ cleanup(void) {
 }
 
 void
-drawinput(void)
+drawbar(void)
 {
 	dc.x = 0;
 	dc.y = 0;
@@ -73,19 +44,6 @@ drawinput(void)
 }
 
 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
 kpress(XKeyEvent *e) {
 	char buf[sizeof text];
 	int num;
@@ -207,101 +165,7 @@ kpress(XKeyEvent *e) {
 		while(cursor++ < len && !IS_UTF8_1ST_CHAR(text[cursor]));
 		break;
 	}
-	drawinput();
-}
-
-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)
-				drawinput();
-			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;
-#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);
-	cursor = strlen(text);
-	XMapRaised(dpy, win);
+	drawbar();
 }
 
 int
@@ -336,11 +200,13 @@ main(int argc, char *argv[]) {
 			if(++i < argc) selfgcolor = argv[i];
 		}
 		else if(!strcmp(argv[i], "-v")) {
-			printf("dinput-"VERSION", © 2006-2010 dinput engineers, see LICENSE for details\n");
+			printf("dinput-"VERSION", © 2006-2010 dmenu engineers, see LICENSE for details\n");
 			exit(EXIT_SUCCESS);
 		}
-		else if(!*text)
+		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);
@@ -356,7 +222,7 @@ main(int argc, char *argv[]) {
 	root = RootWindow(dpy, screen);
 
 	grabkeyboard();
-	setup();
+	setup(0);
 	run();
 	return 0;
 }
diff --git a/dmenu.c b/dmenu.c
@@ -8,16 +8,7 @@
 #include <X11/keysym.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
-#ifdef XINERAMA
-#include <X11/extensions/Xinerama.h>
-#endif
-#include <draw.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))
+#include "dmenu.h"
 
 typedef struct Item Item;
 struct Item {
@@ -33,41 +24,22 @@ static void calcoffsetsv(void);
 static char *cistrstr(const char *s, const char *sub);
 static void cleanup(void);
 static void dinput(void);
-static void drawmenu(void);
 static void drawmenuh(void);
 static void drawmenuv(void);
-static void grabkeyboard(void);
-static void kpress(XKeyEvent *e);
-static void match(char *pattern);
+static void match(void);
 static void readstdin(void);
-static void run(void);
-static void setup(void);
-
-#include "config.h"
 
 /* variables */
 static char **argp = NULL;
 static char *maxname = NULL;
-static char *prompt = NULL;
-static char text[4096];
-static int cmdw = 0;
-static int promptw = 0;
-static int screen;
+static unsigned int cmdw = 0;
 static unsigned int lines = 0;
-static unsigned int numlockmask = 0;
-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;
@@ -85,14 +57,13 @@ appenditem(Item *i, Item **list, Item **last) {
 
 void
 calcoffsetsh(void) {
-	unsigned int x;
+	unsigned int w, x;
 
-	x = promptw + cmdw + (2 * spaceitem);
-	for(next = curr; next; next = next->right)
+	w = promptw + cmdw + textw(&dc, "<") + textw(&dc, ">");
+	for(x = w, next = curr; next; next = next->right)
 		if((x += MIN(textw(&dc, next->text), mw / 3)) > mw)
 			break;
-	x = promptw + cmdw + (2 * spaceitem);
-	for(prev = curr; prev && prev->left; prev = prev->left)
+	for(x = w, prev = curr; prev && prev->left; prev = prev->left)
 		if((x += MIN(textw(&dc, prev->left->text), mw / 3)) > mw)
 			break;
 }
@@ -157,7 +128,7 @@ dinput(void) {
 }
 
 void
-drawmenu(void) {
+drawbar(void) {
 	dc.x = 0;
 	dc.y = 0;
 	dc.w = mw;
@@ -188,7 +159,7 @@ drawmenuh(void) {
 	Item *i;
 
 	dc.x += cmdw;
-	dc.w = spaceitem;
+	dc.w = textw(&dc, "<");
 	drawtext(&dc, curr->left ? "<" : NULL, normcol);
 	dc.x += dc.w;
 	for(i = curr; i != next; i = i->right) {
@@ -196,7 +167,7 @@ drawmenuh(void) {
 		drawtext(&dc, i->text, (sel == i) ? selcol : normcol);
 		dc.x += dc.w;
 	}
-	dc.w = spaceitem;
+	dc.w = textw(&dc, ">");
 	dc.x = mw - dc.w;
 	drawtext(&dc, next ? ">" : NULL, normcol);
 }
@@ -218,19 +189,6 @@ drawmenuv(void) {
 }
 
 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
 kpress(XKeyEvent *e) {
 	char buf[sizeof text];
 	int num;
@@ -285,7 +243,7 @@ kpress(XKeyEvent *e) {
 			break;
 		case XK_u:
 			text[0] = '\0';
-			match(text);
+			match();
 			break;
 		case XK_w:
 			if(len == 0)
@@ -294,7 +252,7 @@ kpress(XKeyEvent *e) {
 			while(i-- > 0 && text[i] == ' ');
 			while(i-- > 0 && text[i] != ' ');
 			text[++i] = '\0';
-			match(text);
+			match();
 			break;
 		}
 	}
@@ -304,7 +262,7 @@ kpress(XKeyEvent *e) {
 		if(num && !iscntrl((int) buf[0])) {
 			memcpy(text + len, buf, num + 1);
 			len += num;
-			match(text);
+			match();
 		}
 		break;
 	case XK_BackSpace:
@@ -313,7 +271,7 @@ kpress(XKeyEvent *e) {
 		for(i = 1; len - i > 0 && !IS_UTF8_1ST_CHAR(text[len - i]); i++);
 		len -= i;
 		text[len] = '\0';
-		match(text);
+		match();
 		break;
 	case XK_End:
 		while(next) {
@@ -373,24 +331,22 @@ kpress(XKeyEvent *e) {
 		dinput();
 		break;
 	}
-	drawmenu();
+	drawbar();
 }
 
 void
-match(char *pattern) {
-	unsigned int plen;
+match(void) {
+	unsigned int len;
 	Item *i, *itemend, *lexact, *lprefix, *lsubstr, *exactend, *prefixend, *substrend;
 
-	if(!pattern)
-		return;
-	plen = strlen(pattern);
+	len = strlen(text);
 	item = lexact = lprefix = lsubstr = itemend = exactend = prefixend = substrend = NULL;
 	for(i = allitems; i; i = i->next)
-		if(!fstrncmp(pattern, i->text, plen + 1))
+		if(!fstrncmp(text, i->text, len + 1))
 			appenditem(i, &lexact, &exactend);
-		else if(!fstrncmp(pattern, i->text, plen))
+		else if(!fstrncmp(text, i->text, len))
 			appenditem(i, &lprefix, &prefixend);
-		else if(fstrstr(i->text, pattern))
+		else if(fstrstr(i->text, text))
 			appenditem(i, &lsubstr, &substrend);
 	if(lexact) {
 		item = lexact;
@@ -444,103 +400,6 @@ readstdin(void) {
 	}
 }
 
-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)
-				drawmenu();
-			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);
-
-	/* menu window */
-	wa.override_redirect = True;
-	wa.background_pixmap = ParentRelative;
-	wa.event_mask = ExposureMask | KeyPressMask | VisibilityChangeMask;
-
-	/* menu 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 : mh - DisplayHeight(dpy, screen);
-		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(maxname)
-		cmdw = MIN(textw(&dc, maxname), mw / 3);
-	if(prompt)
-		promptw = MIN(textw(&dc, prompt), mw / 5);
-	text[0] = '\0';
-	match(text);
-	XMapRaised(dpy, win);
-}
-
 int
 main(int argc, char *argv[]) {
 	unsigned int i;
@@ -600,7 +459,10 @@ main(int argc, char *argv[]) {
 
 	readstdin();
 	grabkeyboard();
-	setup();
+	setup(lines);
+	if(maxname)
+		cmdw = MIN(textw(&dc, maxname), mw / 3);
+	match();
 	run();
 	return 0;
 }
diff --git a/dmenu.h b/dmenu.h
@@ -0,0 +1,30 @@
+#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;