From 4bb4aa4d7d9dc0113237d7a3214d0c6eb53d8f0e Mon Sep 17 00:00:00 2001
From: Sébastien Dailly <sebastien@chimrod.com>
Date: Sat, 17 Aug 2019 19:27:49 +0200
Subject: Update repo

---
 st/st.c | 4669 ---------------------------------------------------------------
 1 file changed, 4669 deletions(-)
 delete mode 100644 st/st.c

(limited to 'st/st.c')

diff --git a/st/st.c b/st/st.c
deleted file mode 100644
index 4c10520..0000000
--- a/st/st.c
+++ /dev/null
@@ -1,4669 +0,0 @@
-/* See LICENSE for license details. */
-#include <ctype.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <limits.h>
-#include <locale.h>
-#include <pwd.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <signal.h>
-#include <stdint.h>
-#include <sys/ioctl.h>
-#include <sys/select.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <termios.h>
-#include <time.h>
-#include <unistd.h>
-#include <libgen.h>
-#include <X11/Xatom.h>
-#include <X11/Xlib.h>
-#include <X11/Xutil.h>
-#include <X11/cursorfont.h>
-#include <X11/keysym.h>
-#include <X11/Xft/Xft.h>
-#include <X11/XKBlib.h>
-#include <fontconfig/fontconfig.h>
-#include <wchar.h>
-
-#include "arg.h"
-
-char *argv0;
-
-#define Glyph Glyph_
-#define Font Font_
-
-#if   defined(__linux)
- #include <pty.h>
-#elif defined(__OpenBSD__) || defined(__NetBSD__) || defined(__APPLE__)
- #include <util.h>
-#elif defined(__FreeBSD__) || defined(__DragonFly__)
- #include <libutil.h>
-#endif
-
-
-/* XEMBED messages */
-#define XEMBED_FOCUS_IN  4
-#define XEMBED_FOCUS_OUT 5
-
-/* Arbitrary sizes */
-#define UTF_INVALID   0xFFFD
-#define UTF_SIZ       4
-#define ESC_BUF_SIZ   (128*UTF_SIZ)
-#define ESC_ARG_SIZ   16
-#define STR_BUF_SIZ   ESC_BUF_SIZ
-#define STR_ARG_SIZ   ESC_ARG_SIZ
-#define XK_ANY_MOD    UINT_MAX
-#define XK_NO_MOD     0
-#define XK_SWITCH_MOD (1<<13)
-#define histsize 2000
-#define OPAQUE 0Xff
-
-/* macros */
-#define MIN(a, b)		((a) < (b) ? (a) : (b))
-#define MAX(a, b)		((a) < (b) ? (b) : (a))
-#define LEN(a)			(sizeof(a) / sizeof(a)[0])
-#define NUMMAXLEN(x)		((int)(sizeof(x) * 2.56 + 0.5) + 1)
-#define DEFAULT(a, b)		(a) = (a) ? (a) : (b)
-#define BETWEEN(x, a, b)	((a) <= (x) && (x) <= (b))
-#define DIVCEIL(n, d)		(((n) + ((d) - 1)) / (d))
-#define ISCONTROLC0(c)		(BETWEEN(c, 0, 0x1f) || (c) == '\177')
-#define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
-#define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
-#define ISDELIM(u)		(utf8strchr(worddelimiters, u) != NULL)
-#define LIMIT(x, a, b)		(x) = (x) < (a) ? (a) : (x) > (b) ? (b) : (x)
-#define ATTRCMP(a, b)		((a).mode != (b).mode || (a).fg != (b).fg || \
-				(a).bg != (b).bg)
-#define IS_SET(flag)		((term.mode & (flag)) != 0)
-#define TIMEDIFF(t1, t2)	((t1.tv_sec-t2.tv_sec)*1000 + \
-				(t1.tv_nsec-t2.tv_nsec)/1E6)
-#define MODBIT(x, set, bit)	((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
-#define USE_ARGB (alpha != OPAQUE)
-
-#define TRUECOLOR(r,g,b)	(1 << 24 | (r) << 16 | (g) << 8 | (b))
-#define IS_TRUECOL(x)		(1 << 24 & (x))
-#define TRUERED(x)		(((x) & 0xff0000) >> 8)
-#define TRUEGREEN(x)		(((x) & 0xff00))
-#define TRUEBLUE(x)		(((x) & 0xff) << 8)
-#define TLINE(y)		((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
-				+ histsize + 1) % histsize] : term.line[(y) - term.scr])
-
-/* constants */
-#define ISO14755CMD		"dmenu -w %lu -p codepoint: </dev/null"
-
-enum glyph_attribute {
-	ATTR_NULL       = 0,
-	ATTR_BOLD       = 1 << 0,
-	ATTR_FAINT      = 1 << 1,
-	ATTR_ITALIC     = 1 << 2,
-	ATTR_UNDERLINE  = 1 << 3,
-	ATTR_BLINK      = 1 << 4,
-	ATTR_REVERSE    = 1 << 5,
-	ATTR_INVISIBLE  = 1 << 6,
-	ATTR_STRUCK     = 1 << 7,
-	ATTR_WRAP       = 1 << 8,
-	ATTR_WIDE       = 1 << 9,
-	ATTR_WDUMMY     = 1 << 10,
-	ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
-};
-
-enum cursor_movement {
-	CURSOR_SAVE,
-	CURSOR_LOAD
-};
-
-enum cursor_state {
-	CURSOR_DEFAULT  = 0,
-	CURSOR_WRAPNEXT = 1,
-	CURSOR_ORIGIN   = 2
-};
-
-enum term_mode {
-	MODE_WRAP        = 1 << 0,
-	MODE_INSERT      = 1 << 1,
-	MODE_APPKEYPAD   = 1 << 2,
-	MODE_ALTSCREEN   = 1 << 3,
-	MODE_CRLF        = 1 << 4,
-	MODE_MOUSEBTN    = 1 << 5,
-	MODE_MOUSEMOTION = 1 << 6,
-	MODE_REVERSE     = 1 << 7,
-	MODE_KBDLOCK     = 1 << 8,
-	MODE_HIDE        = 1 << 9,
-	MODE_ECHO        = 1 << 10,
-	MODE_APPCURSOR   = 1 << 11,
-	MODE_MOUSESGR    = 1 << 12,
-	MODE_8BIT        = 1 << 13,
-	MODE_BLINK       = 1 << 14,
-	MODE_FBLINK      = 1 << 15,
-	MODE_FOCUS       = 1 << 16,
-	MODE_MOUSEX10    = 1 << 17,
-	MODE_MOUSEMANY   = 1 << 18,
-	MODE_BRCKTPASTE  = 1 << 19,
-	MODE_PRINT       = 1 << 20,
-	MODE_UTF8        = 1 << 21,
-	MODE_SIXEL       = 1 << 22,
-	MODE_MOUSE       = MODE_MOUSEBTN|MODE_MOUSEMOTION|MODE_MOUSEX10\
-	                  |MODE_MOUSEMANY,
-};
-
-enum charset {
-	CS_GRAPHIC0,
-	CS_GRAPHIC1,
-	CS_UK,
-	CS_USA,
-	CS_MULTI,
-	CS_GER,
-	CS_FIN
-};
-
-enum escape_state {
-	ESC_START      = 1,
-	ESC_CSI        = 2,
-	ESC_STR        = 4,  /* OSC, PM, APC */
-	ESC_ALTCHARSET = 8,
-	ESC_STR_END    = 16, /* a final string was encountered */
-	ESC_TEST       = 32, /* Enter in test mode */
-	ESC_UTF8       = 64,
-	ESC_DCS        =128,
-};
-
-enum window_state {
-	WIN_VISIBLE = 1,
-	WIN_FOCUSED = 2
-};
-
-enum selection_mode {
-	SEL_IDLE = 0,
-	SEL_EMPTY = 1,
-	SEL_READY = 2
-};
-
-enum selection_type {
-	SEL_REGULAR = 1,
-	SEL_RECTANGULAR = 2
-};
-
-enum selection_snap {
-	SNAP_WORD = 1,
-	SNAP_LINE = 2
-};
-
-typedef unsigned char uchar;
-typedef unsigned int uint;
-typedef unsigned long ulong;
-typedef unsigned short ushort;
-
-typedef uint_least32_t Rune;
-
-typedef XftDraw *Draw;
-typedef XftColor Color;
-
-typedef struct {
-	Rune u;           /* character code */
-	ushort mode;      /* attribute flags */
-	uint32_t fg;      /* foreground  */
-	uint32_t bg;      /* background  */
-} Glyph;
-
-typedef Glyph *Line;
-
-typedef struct {
-	Glyph attr; /* current char attributes */
-	int x;
-	int y;
-	char state;
-} TCursor;
-
-/* CSI Escape sequence structs */
-/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
-typedef struct {
-	char buf[ESC_BUF_SIZ]; /* raw string */
-	int len;               /* raw string length */
-	char priv;
-	int arg[ESC_ARG_SIZ];
-	int narg;              /* nb of args */
-	char mode[2];
-} CSIEscape;
-
-/* STR Escape sequence structs */
-/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
-typedef struct {
-	char type;             /* ESC type ... */
-	char buf[STR_BUF_SIZ]; /* raw string */
-	int len;               /* raw string length */
-	char *args[STR_ARG_SIZ];
-	int narg;              /* nb of args */
-} STREscape;
-
-/* Internal representation of the screen */
-typedef struct {
-	int row;      /* nb row */
-	int col;      /* nb col */
-	Line *line;   /* screen */
-	Line *alt;    /* alternate screen */
-	Line hist[histsize]; /* history buffer */
-	int histi;    /* history index */
-	int scr;      /* scroll back */
-	int *dirty;  /* dirtyness of lines */
-	XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-	TCursor c;    /* cursor */
-	int top;      /* top    scroll limit */
-	int bot;      /* bottom scroll limit */
-	int mode;     /* terminal mode flags */
-	int esc;      /* escape state flags */
-	char trantbl[4]; /* charset table translation */
-	int charset;  /* current charset */
-	int icharset; /* selected charset for sequence */
-	int numlock; /* lock numbers in keyboard */
-	int *tabs;
-} Term;
-
-/* Purely graphic info */
-typedef struct {
-	Display *dpy;
-	Colormap cmap;
-	Window win;
-	Drawable buf;
-	Atom xembed, wmdeletewin, netwmname, netwmpid;
-	XIM xim;
-	XIC xic;
-	Draw draw;
-	Visual *vis;
-	XSetWindowAttributes attrs;
-	int scr;
-	int isfixed; /* is fixed geometry? */
-	int l, t; /* left and top offset */
-	int gm; /* geometry mask */
-	int tw, th; /* tty width and height */
-	int w, h; /* window width and height */
-	int ch; /* char height */
-	int cw; /* char width  */
-	int depth; /*  bit depth */
-	char state; /* focus, redraw, visible */
-	int cursor; /* cursor style */
-} XWindow;
-
-typedef struct {
-	uint b;
-	uint mask;
-	char *s;
-} MouseShortcut;
-
-typedef struct {
-	KeySym k;
-	uint mask;
-	char *s;
-	/* three valued logic variables: 0 indifferent, 1 on, -1 off */
-	signed char appkey;    /* application keypad */
-	signed char appcursor; /* application cursor */
-	signed char crlf;      /* crlf mode          */
-} Key;
-
-typedef struct {
-	int mode;
-	int type;
-	int snap;
-	/*
-	 * Selection variables:
-	 * nb – normalized coordinates of the beginning of the selection
-	 * ne – normalized coordinates of the end of the selection
-	 * ob – original coordinates of the beginning of the selection
-	 * oe – original coordinates of the end of the selection
-	 */
-	struct {
-		int x, y;
-	} nb, ne, ob, oe;
-
-	char *primary, *clipboard;
-	Atom xtarget;
-	int alt;
-	struct timespec tclick1;
-	struct timespec tclick2;
-} Selection;
-
-typedef union {
-	int i;
-	uint ui;
-	float f;
-	const void *v;
-} Arg;
-
-typedef struct {
-	uint mod;
-	KeySym keysym;
-	void (*func)(const Arg *);
-	const Arg arg;
-} Shortcut;
-
-/* function definitions used in config.h */
-static void clipcopy(const Arg *);
-static void clippaste(const Arg *);
-static void kscrolldown(const Arg *);
-static void kscrollup(const Arg *);
-static void numlock(const Arg *);
-static void selpaste(const Arg *);
-static void xzoom(const Arg *);
-static void xzoomabs(const Arg *);
-static void xzoomreset(const Arg *);
-static void printsel(const Arg *);
-static void printscreen(const Arg *) ;
-static void iso14755(const Arg *);
-static void toggleprinter(const Arg *);
-static void sendbreak(const Arg *);
-
-/* Config.h for applying patches and the configuration. */
-#include "config.h"
-
-/* Font structure */
-typedef struct {
-	int height;
-	int width;
-	int ascent;
-	int descent;
-	int badslant;
-	int badweight;
-	short lbearing;
-	short rbearing;
-	XftFont *match;
-	FcFontSet *set;
-	FcPattern *pattern;
-} Font;
-
-/* Drawing Context */
-typedef struct {
-	Color col[MAX(LEN(colorname), 256)];
-	Font font, bfont, ifont, ibfont;
-	GC gc;
-} DC;
-
-static void die(const char *, ...);
-static void draw(void);
-static void redraw(void);
-static void drawregion(int, int, int, int);
-static void execsh(void);
-static void stty(void);
-static void sigchld(int);
-static void run(void);
-
-static void csidump(void);
-static void csihandle(void);
-static void csiparse(void);
-static void csireset(void);
-static int eschandle(uchar);
-static void strdump(void);
-static void strhandle(void);
-static void strparse(void);
-static void strreset(void);
-
-static int tattrset(int);
-static void tprinter(char *, size_t);
-static void tdumpsel(void);
-static void tdumpline(int);
-static void tdump(void);
-static void tclearregion(int, int, int, int);
-static void tcursor(int);
-static void tdeletechar(int);
-static void tdeleteline(int);
-static void tinsertblank(int);
-static void tinsertblankline(int);
-static int tlinelen(int);
-static void tmoveto(int, int);
-static void tmoveato(int, int);
-static void tnew(int, int);
-static void tnewline(int);
-static void tputtab(int);
-static void tputc(Rune);
-static void treset(void);
-static void tresize(int, int);
-static void tscrollup(int, int, int);
-static void tscrolldown(int, int, int);
-static void tsetattr(int *, int);
-static void tsetchar(Rune, Glyph *, int, int);
-static void tsetscroll(int, int);
-static void tswapscreen(void);
-static void tsetdirt(int, int);
-static void tsetdirtattr(int);
-static void tsetmode(int, int, int *, int);
-static void tfulldirt(void);
-static void techo(Rune);
-static void tcontrolcode(uchar );
-static void tdectest(char );
-static void tdefutf8(char);
-static int32_t tdefcolor(int *, int *, int);
-static void tdeftran(char);
-static inline int match(uint, uint);
-static void ttynew(void);
-static size_t ttyread(void);
-static void ttyresize(void);
-static void ttysend(char *, size_t);
-static void ttywrite(const char *, size_t);
-static void tstrsequence(uchar);
-
-static inline ushort sixd_to_16bit(int);
-static int xmakeglyphfontspecs(XftGlyphFontSpec *, const Glyph *, int, int, int);
-static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
-static void xdrawglyph(Glyph, int, int);
-static void xhints(void);
-static void xclear(int, int, int, int);
-static void xdrawcursor(void);
-static void xinit(void);
-static void xloadcols(void);
-static int xsetcolorname(int, const char *);
-static int xgeommasktogravity(int);
-static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(char *, double);
-static void xsettitle(char *);
-static void xresettitle(void);
-static void xsetpointermotion(int);
-static void xseturgency(int);
-static void xsetsel(char *, Time);
-static void xunloadfont(Font *);
-static void xunloadfonts(void);
-static void xresize(int, int);
-
-static void expose(XEvent *);
-static void visibility(XEvent *);
-static void unmap(XEvent *);
-static char *kmap(KeySym, uint);
-static void kpress(XEvent *);
-static void cmessage(XEvent *);
-static void cresize(int, int);
-static void resize(XEvent *);
-static void focus(XEvent *);
-static void brelease(XEvent *);
-static void bpress(XEvent *);
-static void bmotion(XEvent *);
-static void propnotify(XEvent *);
-static void selnotify(XEvent *);
-static void selclear(XEvent *);
-static void selrequest(XEvent *);
-
-static void selinit(void);
-static void selnormalize(void);
-static inline int selected(int, int);
-static char *getsel(void);
-static void selcopy(Time);
-static void selscroll(int, int);
-static void selsnap(int *, int *, int);
-static int x2col(int);
-static int y2row(int);
-static void getbuttoninfo(XEvent *);
-static void mousereport(XEvent *);
-
-static size_t utf8decode(char *, Rune *, size_t);
-static Rune utf8decodebyte(char, size_t *);
-static size_t utf8encode(Rune, char *);
-static char utf8encodebyte(Rune, size_t);
-static char *utf8strchr(char *s, Rune u);
-static size_t utf8validate(Rune *, size_t);
-
-static ssize_t xwrite(int, const char *, size_t);
-static void *xmalloc(size_t);
-static void *xrealloc(void *, size_t);
-static char *xstrdup(char *);
-
-static void usage(void);
-
-static void (*handler[LASTEvent])(XEvent *) = {
-	[KeyPress] = kpress,
-	[ClientMessage] = cmessage,
-	[ConfigureNotify] = resize,
-	[VisibilityNotify] = visibility,
-	[UnmapNotify] = unmap,
-	[Expose] = expose,
-	[FocusIn] = focus,
-	[FocusOut] = focus,
-	[MotionNotify] = bmotion,
-	[ButtonPress] = bpress,
-	[ButtonRelease] = brelease,
-/*
- * Uncomment if you want the selection to disappear when you select something
- * different in another window.
- */
-/*	[SelectionClear] = selclear, */
-	[SelectionNotify] = selnotify,
-/*
- * PropertyNotify is only turned on when there is some INCR transfer happening
- * for the selection retrieval.
- */
-	[PropertyNotify] = propnotify,
-	[SelectionRequest] = selrequest,
-};
-
-/* Globals */
-static DC dc;
-static XWindow xw;
-static Term term;
-static CSIEscape csiescseq;
-static STREscape strescseq;
-static int cmdfd;
-static pid_t pid;
-static Selection sel;
-static int iofd = 1;
-static char **opt_cmd  = NULL;
-static char *opt_class = NULL;
-static char *opt_embed = NULL;
-static char *opt_font  = NULL;
-static char *opt_io    = NULL;
-static char *opt_line  = NULL;
-static char *opt_name  = NULL;
-static char *opt_title = NULL;
-static int oldbutton   = 3; /* button event on startup: 3 = release */
-
-static char *usedfont = NULL;
-static double usedfontsize = 0;
-static double defaultfontsize = 0;
-
-static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
-static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
-static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
-
-/* Font Ring Cache */
-enum {
-	FRC_NORMAL,
-	FRC_ITALIC,
-	FRC_BOLD,
-	FRC_ITALICBOLD
-};
-
-typedef struct {
-	XftFont *font;
-	int flags;
-	Rune unicodep;
-} Fontcache;
-
-/* Fontcache is an array now. A new font will be appended to the array. */
-static Fontcache frc[16];
-static int frclen = 0;
-
-ssize_t
-xwrite(int fd, const char *s, size_t len)
-{
-	size_t aux = len;
-	ssize_t r;
-
-	while (len > 0) {
-		r = write(fd, s, len);
-		if (r < 0)
-			return r;
-		len -= r;
-		s += r;
-	}
-
-	return aux;
-}
-
-void *
-xmalloc(size_t len)
-{
-	void *p = malloc(len);
-
-	if (!p)
-		die("Out of memory\n");
-
-	return p;
-}
-
-void *
-xrealloc(void *p, size_t len)
-{
-	if ((p = realloc(p, len)) == NULL)
-		die("Out of memory\n");
-
-	return p;
-}
-
-char *
-xstrdup(char *s)
-{
-	if ((s = strdup(s)) == NULL)
-		die("Out of memory\n");
-
-	return s;
-}
-
-size_t
-utf8decode(char *c, Rune *u, size_t clen)
-{
-	size_t i, j, len, type;
-	Rune udecoded;
-
-	*u = UTF_INVALID;
-	if (!clen)
-		return 0;
-	udecoded = utf8decodebyte(c[0], &len);
-	if (!BETWEEN(len, 1, UTF_SIZ))
-		return 1;
-	for (i = 1, j = 1; i < clen && j < len; ++i, ++j) {
-		udecoded = (udecoded << 6) | utf8decodebyte(c[i], &type);
-		if (type != 0)
-			return j;
-	}
-	if (j < len)
-		return 0;
-	*u = udecoded;
-	utf8validate(u, len);
-
-	return len;
-}
-
-Rune
-utf8decodebyte(char c, size_t *i)
-{
-	for (*i = 0; *i < LEN(utfmask); ++(*i))
-		if (((uchar)c & utfmask[*i]) == utfbyte[*i])
-			return (uchar)c & ~utfmask[*i];
-
-	return 0;
-}
-
-size_t
-utf8encode(Rune u, char *c)
-{
-	size_t len, i;
-
-	len = utf8validate(&u, 0);
-	if (len > UTF_SIZ)
-		return 0;
-
-	for (i = len - 1; i != 0; --i) {
-		c[i] = utf8encodebyte(u, 0);
-		u >>= 6;
-	}
-	c[0] = utf8encodebyte(u, len);
-
-	return len;
-}
-
-char
-utf8encodebyte(Rune u, size_t i)
-{
-	return utfbyte[i] | (u & ~utfmask[i]);
-}
-
-char *
-utf8strchr(char *s, Rune u)
-{
-	Rune r;
-	size_t i, j, len;
-
-	len = strlen(s);
-	for (i = 0, j = 0; i < len; i += j) {
-		if (!(j = utf8decode(&s[i], &r, len - i)))
-			break;
-		if (r == u)
-			return &(s[i]);
-	}
-
-	return NULL;
-}
-
-size_t
-utf8validate(Rune *u, size_t i)
-{
-	if (!BETWEEN(*u, utfmin[i], utfmax[i]) || BETWEEN(*u, 0xD800, 0xDFFF))
-		*u = UTF_INVALID;
-	for (i = 1; *u > utfmax[i]; ++i)
-		;
-
-	return i;
-}
-
-void
-selinit(void)
-{
-	clock_gettime(CLOCK_MONOTONIC, &sel.tclick1);
-	clock_gettime(CLOCK_MONOTONIC, &sel.tclick2);
-	sel.mode = SEL_IDLE;
-	sel.snap = 0;
-	sel.ob.x = -1;
-	sel.primary = NULL;
-	sel.clipboard = NULL;
-	sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
-	if (sel.xtarget == None)
-		sel.xtarget = XA_STRING;
-}
-
-int
-x2col(int x)
-{
-	x -= borderpx;
-	x /= xw.cw;
-
-	return LIMIT(x, 0, term.col-1);
-}
-
-int
-y2row(int y)
-{
-	y -= borderpx;
-	y /= xw.ch;
-
-	return LIMIT(y, 0, term.row-1);
-}
-
-int
-tlinelen(int y)
-{
-	int i = term.col;
-
-	if (TLINE(y)[i - 1].mode & ATTR_WRAP)
-		return i;
-
-	while (i > 0 && TLINE(y)[i - 1].u == ' ')
-		--i;
-
-	return i;
-}
-
-void
-selnormalize(void)
-{
-	int i;
-
-	if (sel.type == SEL_REGULAR && sel.ob.y != sel.oe.y) {
-		sel.nb.x = sel.ob.y < sel.oe.y ? sel.ob.x : sel.oe.x;
-		sel.ne.x = sel.ob.y < sel.oe.y ? sel.oe.x : sel.ob.x;
-	} else {
-		sel.nb.x = MIN(sel.ob.x, sel.oe.x);
-		sel.ne.x = MAX(sel.ob.x, sel.oe.x);
-	}
-	sel.nb.y = MIN(sel.ob.y, sel.oe.y);
-	sel.ne.y = MAX(sel.ob.y, sel.oe.y);
-
-	selsnap(&sel.nb.x, &sel.nb.y, -1);
-	selsnap(&sel.ne.x, &sel.ne.y, +1);
-
-	/* expand selection over line breaks */
-	if (sel.type == SEL_RECTANGULAR)
-		return;
-	i = tlinelen(sel.nb.y);
-	if (i < sel.nb.x)
-		sel.nb.x = i;
-	if (tlinelen(sel.ne.y) <= sel.ne.x)
-		sel.ne.x = term.col - 1;
-}
-
-int
-selected(int x, int y)
-{
-	if (sel.mode == SEL_EMPTY)
-		return 0;
-
-	if (sel.type == SEL_RECTANGULAR)
-		return BETWEEN(y, sel.nb.y, sel.ne.y)
-		    && BETWEEN(x, sel.nb.x, sel.ne.x);
-
-	return BETWEEN(y, sel.nb.y, sel.ne.y)
-	    && (y != sel.nb.y || x >= sel.nb.x)
-	    && (y != sel.ne.y || x <= sel.ne.x);
-}
-
-void
-selsnap(int *x, int *y, int direction)
-{
-	int newx, newy, xt, yt;
-	int delim, prevdelim;
-	Glyph *gp, *prevgp;
-
-	switch (sel.snap) {
-	case SNAP_WORD:
-		/*
-		 * Snap around if the word wraps around at the end or
-		 * beginning of a line.
-		 */
-		prevgp = &TLINE(*y)[*x];
-		prevdelim = ISDELIM(prevgp->u);
-		for (;;) {
-			newx = *x + direction;
-			newy = *y;
-			if (!BETWEEN(newx, 0, term.col - 1)) {
-				newy += direction;
-				newx = (newx + term.col) % term.col;
-				if (!BETWEEN(newy, 0, term.row - 1))
-					break;
-
-				if (direction > 0)
-					yt = *y, xt = *x;
-				else
-					yt = newy, xt = newx;
-				if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
-					break;
-			}
-
-			if (newx >= tlinelen(newy))
-				break;
-
-			gp = &TLINE(newy)[newx];
-			delim = ISDELIM(gp->u);
-			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
-					|| (delim && gp->u != prevgp->u)))
-				break;
-
-			*x = newx;
-			*y = newy;
-			prevgp = gp;
-			prevdelim = delim;
-		}
-		break;
-	case SNAP_LINE:
-		/*
-		 * Snap around if the the previous line or the current one
-		 * has set ATTR_WRAP at its end. Then the whole next or
-		 * previous line will be selected.
-		 */
-		*x = (direction < 0) ? 0 : term.col - 1;
-		if (direction < 0) {
-			for (; *y > 0; *y += direction) {
-				if (!(TLINE(*y-1)[term.col-1].mode
-						& ATTR_WRAP)) {
-					break;
-				}
-			}
-		} else if (direction > 0) {
-			for (; *y < term.row-1; *y += direction) {
-				if (!(TLINE(*y)[term.col-1].mode
-						& ATTR_WRAP)) {
-					break;
-				}
-			}
-		}
-		break;
-	}
-}
-
-void
-getbuttoninfo(XEvent *e)
-{
-	int type;
-	uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
-
-	sel.alt = IS_SET(MODE_ALTSCREEN);
-
-	sel.oe.x = x2col(e->xbutton.x);
-	sel.oe.y = y2row(e->xbutton.y);
-	selnormalize();
-
-	sel.type = SEL_REGULAR;
-	for (type = 1; type < LEN(selmasks); ++type) {
-		if (match(selmasks[type], state)) {
-			sel.type = type;
-			break;
-		}
-	}
-}
-
-void
-mousereport(XEvent *e)
-{
-	int x = x2col(e->xbutton.x), y = y2row(e->xbutton.y),
-	    button = e->xbutton.button, state = e->xbutton.state,
-	    len;
-	char buf[40];
-	static int ox, oy;
-
-	/* from urxvt */
-	if (e->xbutton.type == MotionNotify) {
-		if (x == ox && y == oy)
-			return;
-		if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
-			return;
-		/* MOUSE_MOTION: no reporting if no button is pressed */
-		if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
-			return;
-
-		button = oldbutton + 32;
-		ox = x;
-		oy = y;
-	} else {
-		if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
-			button = 3;
-		} else {
-			button -= Button1;
-			if (button >= 3)
-				button += 64 - 3;
-		}
-		if (e->xbutton.type == ButtonPress) {
-			oldbutton = button;
-			ox = x;
-			oy = y;
-		} else if (e->xbutton.type == ButtonRelease) {
-			oldbutton = 3;
-			/* MODE_MOUSEX10: no button release reporting */
-			if (IS_SET(MODE_MOUSEX10))
-				return;
-			if (button == 64 || button == 65)
-				return;
-		}
-	}
-
-	if (!IS_SET(MODE_MOUSEX10)) {
-		button += ((state & ShiftMask  ) ? 4  : 0)
-			+ ((state & Mod4Mask   ) ? 8  : 0)
-			+ ((state & ControlMask) ? 16 : 0);
-	}
-
-	if (IS_SET(MODE_MOUSESGR)) {
-		len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
-				button, x+1, y+1,
-				e->xbutton.type == ButtonRelease ? 'm' : 'M');
-	} else if (x < 223 && y < 223) {
-		len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
-				32+button, 32+x+1, 32+y+1);
-	} else {
-		return;
-	}
-
-	ttywrite(buf, len);
-}
-
-void
-bpress(XEvent *e)
-{
-	struct timespec now;
-	MouseShortcut *ms;
-
-	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-		mousereport(e);
-		return;
-	}
-
-	if (IS_SET(MODE_ALTSCREEN))
-		for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
-			if (e->xbutton.button == ms->b
-					&& match(ms->mask, e->xbutton.state)) {
-				ttysend(ms->s, strlen(ms->s));
-				return;
-			}
-		}
-
-	if (e->xbutton.button == Button1) {
-		clock_gettime(CLOCK_MONOTONIC, &now);
-
-		/* Clear previous selection, logically and visually. */
-		selclear(NULL);
-		sel.mode = SEL_EMPTY;
-		sel.type = SEL_REGULAR;
-		sel.oe.x = sel.ob.x = x2col(e->xbutton.x);
-		sel.oe.y = sel.ob.y = y2row(e->xbutton.y);
-
-		/*
-		 * If the user clicks below predefined timeouts specific
-		 * snapping behaviour is exposed.
-		 */
-		if (TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
-			sel.snap = SNAP_LINE;
-		} else if (TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
-			sel.snap = SNAP_WORD;
-		} else {
-			sel.snap = 0;
-		}
-		selnormalize();
-
-		if (sel.snap != 0)
-			sel.mode = SEL_READY;
-		tsetdirt(sel.nb.y, sel.ne.y);
-		sel.tclick2 = sel.tclick1;
-		sel.tclick1 = now;
-	}
-}
-
-char *
-getsel(void)
-{
-	char *str, *ptr;
-	int y, bufsize, lastx, linelen;
-	Glyph *gp, *last;
-
-	if (sel.ob.x == -1)
-		return NULL;
-
-	bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
-	ptr = str = xmalloc(bufsize);
-
-	/* append every set & selected glyph to the selection */
-	for (y = sel.nb.y; y <= sel.ne.y; y++) {
-		if ((linelen = tlinelen(y)) == 0) {
-			*ptr++ = '\n';
-			continue;
-		}
-
-		if (sel.type == SEL_RECTANGULAR) {
-			gp = &TLINE(y)[sel.nb.x];
-			lastx = sel.ne.x;
-		} else {
-			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
-			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
-		}
-		last = &TLINE(y)[MIN(lastx, linelen-1)];
-		while (last >= gp && last->u == ' ')
-			--last;
-
-		for ( ; gp <= last; ++gp) {
-			if (gp->mode & ATTR_WDUMMY)
-				continue;
-
-			ptr += utf8encode(gp->u, ptr);
-		}
-
-		/*
-		 * Copy and pasting of line endings is inconsistent
-		 * in the inconsistent terminal and GUI world.
-		 * The best solution seems like to produce '\n' when
-		 * something is copied from st and convert '\n' to
-		 * '\r', when something to be pasted is received by
-		 * st.
-		 * FIXME: Fix the computer world.
-		 */
-		if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
-			*ptr++ = '\n';
-	}
-	*ptr = 0;
-	return str;
-}
-
-void
-selcopy(Time t)
-{
-	xsetsel(getsel(), t);
-}
-
-void
-propnotify(XEvent *e)
-{
-	XPropertyEvent *xpev;
-	Atom clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-
-	xpev = &e->xproperty;
-	if (xpev->state == PropertyNewValue &&
-			(xpev->atom == XA_PRIMARY ||
-			 xpev->atom == clipboard)) {
-		selnotify(e);
-	}
-}
-
-void
-selnotify(XEvent *e)
-{
-	ulong nitems, ofs, rem;
-	int format;
-	uchar *data, *last, *repl;
-	Atom type, incratom, property;
-
-	incratom = XInternAtom(xw.dpy, "INCR", 0);
-
-	ofs = 0;
-	if (e->type == SelectionNotify) {
-		property = e->xselection.property;
-	} else if(e->type == PropertyNotify) {
-		property = e->xproperty.atom;
-	} else {
-		return;
-	}
-	if (property == None)
-		return;
-
-	do {
-		if (XGetWindowProperty(xw.dpy, xw.win, property, ofs,
-					BUFSIZ/4, False, AnyPropertyType,
-					&type, &format, &nitems, &rem,
-					&data)) {
-			fprintf(stderr, "Clipboard allocation failed\n");
-			return;
-		}
-
-		if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
-			/*
-			 * If there is some PropertyNotify with no data, then
-			 * this is the signal of the selection owner that all
-			 * data has been transferred. We won't need to receive
-			 * PropertyNotify events anymore.
-			 */
-			MODBIT(xw.attrs.event_mask, 0, PropertyChangeMask);
-			XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
-					&xw.attrs);
-		}
-
-		if (type == incratom) {
-			/*
-			 * Activate the PropertyNotify events so we receive
-			 * when the selection owner does send us the next
-			 * chunk of data.
-			 */
-			MODBIT(xw.attrs.event_mask, 1, PropertyChangeMask);
-			XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask,
-					&xw.attrs);
-
-			/*
-			 * Deleting the property is the transfer start signal.
-			 */
-			XDeleteProperty(xw.dpy, xw.win, (int)property);
-			continue;
-		}
-
-		/*
-		 * As seen in getsel:
-		 * Line endings are inconsistent in the terminal and GUI world
-		 * copy and pasting. When receiving some selection data,
-		 * replace all '\n' with '\r'.
-		 * FIXME: Fix the computer world.
-		 */
-		repl = data;
-		last = data + nitems * format / 8;
-		while ((repl = memchr(repl, '\n', last - repl))) {
-			*repl++ = '\r';
-		}
-
-		if (IS_SET(MODE_BRCKTPASTE) && ofs == 0)
-			ttywrite("\033[200~", 6);
-		ttysend((char *)data, nitems * format / 8);
-		if (IS_SET(MODE_BRCKTPASTE) && rem == 0)
-			ttywrite("\033[201~", 6);
-		XFree(data);
-		/* number of 32-bit chunks returned */
-		ofs += nitems * format / 32;
-	} while (rem > 0);
-
-	/*
-	 * Deleting the property again tells the selection owner to send the
-	 * next data chunk in the property.
-	 */
-	XDeleteProperty(xw.dpy, xw.win, (int)property);
-}
-
-void
-selpaste(const Arg *dummy)
-{
-	XConvertSelection(xw.dpy, XA_PRIMARY, sel.xtarget, XA_PRIMARY,
-			xw.win, CurrentTime);
-}
-
-void
-clipcopy(const Arg *dummy)
-{
-	Atom clipboard;
-
-	if (sel.clipboard != NULL)
-		free(sel.clipboard);
-
-	if (sel.primary != NULL) {
-		sel.clipboard = xstrdup(sel.primary);
-		clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-		XSetSelectionOwner(xw.dpy, clipboard, xw.win, CurrentTime);
-	}
-}
-
-void
-clippaste(const Arg *dummy)
-{
-	Atom clipboard;
-
-	clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-	XConvertSelection(xw.dpy, clipboard, sel.xtarget, clipboard,
-			xw.win, CurrentTime);
-}
-
-void
-selclear(XEvent *e)
-{
-	if (sel.ob.x == -1)
-		return;
-	sel.mode = SEL_IDLE;
-	sel.ob.x = -1;
-	tsetdirt(sel.nb.y, sel.ne.y);
-}
-
-void
-selrequest(XEvent *e)
-{
-	XSelectionRequestEvent *xsre;
-	XSelectionEvent xev;
-	Atom xa_targets, string, clipboard;
-	char *seltext;
-
-	xsre = (XSelectionRequestEvent *) e;
-	xev.type = SelectionNotify;
-	xev.requestor = xsre->requestor;
-	xev.selection = xsre->selection;
-	xev.target = xsre->target;
-	xev.time = xsre->time;
-	if (xsre->property == None)
-		xsre->property = xsre->target;
-
-	/* reject */
-	xev.property = None;
-
-	xa_targets = XInternAtom(xw.dpy, "TARGETS", 0);
-	if (xsre->target == xa_targets) {
-		/* respond with the supported type */
-		string = sel.xtarget;
-		XChangeProperty(xsre->display, xsre->requestor, xsre->property,
-				XA_ATOM, 32, PropModeReplace,
-				(uchar *) &string, 1);
-		xev.property = xsre->property;
-	} else if (xsre->target == sel.xtarget || xsre->target == XA_STRING) {
-		/*
-		 * xith XA_STRING non ascii characters may be incorrect in the
-		 * requestor. It is not our problem, use utf8.
-		 */
-		clipboard = XInternAtom(xw.dpy, "CLIPBOARD", 0);
-		if (xsre->selection == XA_PRIMARY) {
-			seltext = sel.primary;
-		} else if (xsre->selection == clipboard) {
-			seltext = sel.clipboard;
-		} else {
-			fprintf(stderr,
-				"Unhandled clipboard selection 0x%lx\n",
-				xsre->selection);
-			return;
-		}
-		if (seltext != NULL) {
-			XChangeProperty(xsre->display, xsre->requestor,
-					xsre->property, xsre->target,
-					8, PropModeReplace,
-					(uchar *)seltext, strlen(seltext));
-			xev.property = xsre->property;
-		}
-	}
-
-	/* all done, send a notification to the listener */
-	if (!XSendEvent(xsre->display, xsre->requestor, 1, 0, (XEvent *) &xev))
-		fprintf(stderr, "Error sending SelectionNotify event\n");
-}
-
-void
-xsetsel(char *str, Time t)
-{
-	free(sel.primary);
-	sel.primary = str;
-
-	XSetSelectionOwner(xw.dpy, XA_PRIMARY, xw.win, t);
-	if (XGetSelectionOwner(xw.dpy, XA_PRIMARY) != xw.win)
-		selclear(0);
-
-	clipcopy(NULL);
-}
-
-void
-brelease(XEvent *e)
-{
-	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-		mousereport(e);
-		return;
-	}
-
-	if (e->xbutton.button == Button2) {
-		selpaste(NULL);
-	} else if (e->xbutton.button == Button1) {
-		if (sel.mode == SEL_READY) {
-			getbuttoninfo(e);
-			selcopy(e->xbutton.time);
-		} else
-			selclear(NULL);
-		sel.mode = SEL_IDLE;
-		tsetdirt(sel.nb.y, sel.ne.y);
-	}
-}
-
-void
-bmotion(XEvent *e)
-{
-	int oldey, oldex, oldsby, oldsey;
-
-	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
-		mousereport(e);
-		return;
-	}
-
-	if (!sel.mode)
-		return;
-
-	sel.mode = SEL_READY;
-	oldey = sel.oe.y;
-	oldex = sel.oe.x;
-	oldsby = sel.nb.y;
-	oldsey = sel.ne.y;
-	getbuttoninfo(e);
-
-	if (oldey != sel.oe.y || oldex != sel.oe.x)
-		tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
-}
-
-void
-die(const char *errstr, ...)
-{
-	va_list ap;
-
-	va_start(ap, errstr);
-	vfprintf(stderr, errstr, ap);
-	va_end(ap);
-	exit(1);
-}
-
-void
-execsh(void)
-{
-	char **args, *sh, *prog;
-	const struct passwd *pw;
-	char buf[sizeof(long) * 8 + 1];
-
-	errno = 0;
-	if ((pw = getpwuid(getuid())) == NULL) {
-		if (errno)
-			die("getpwuid:%s\n", strerror(errno));
-		else
-			die("who are you?\n");
-	}
-
-	if ((sh = getenv("SHELL")) == NULL)
-		sh = (pw->pw_shell[0]) ? pw->pw_shell : shell;
-
-	if (opt_cmd)
-		prog = opt_cmd[0];
-	else if (utmp)
-		prog = utmp;
-	else
-		prog = sh;
-	args = (opt_cmd) ? opt_cmd : (char *[]) {prog, NULL};
-
-	snprintf(buf, sizeof(buf), "%lu", xw.win);
-
-	unsetenv("COLUMNS");
-	unsetenv("LINES");
-	unsetenv("TERMCAP");
-	setenv("LOGNAME", pw->pw_name, 1);
-	setenv("USER", pw->pw_name, 1);
-	setenv("SHELL", sh, 1);
-	setenv("HOME", pw->pw_dir, 1);
-	setenv("TERM", termname, 1);
-	setenv("WINDOWID", buf, 1);
-
-	signal(SIGCHLD, SIG_DFL);
-	signal(SIGHUP, SIG_DFL);
-	signal(SIGINT, SIG_DFL);
-	signal(SIGQUIT, SIG_DFL);
-	signal(SIGTERM, SIG_DFL);
-	signal(SIGALRM, SIG_DFL);
-
-	execvp(prog, args);
-	_exit(1);
-}
-
-void
-sigchld(int a)
-{
-	int stat;
-	pid_t p;
-
-	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
-		die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
-
-	if (pid != p)
-		return;
-
-	if (!WIFEXITED(stat) || WEXITSTATUS(stat))
-		die("child finished with error '%d'\n", stat);
-	exit(0);
-}
-
-
-void
-stty(void)
-{
-	char cmd[_POSIX_ARG_MAX], **p, *q, *s;
-	size_t n, siz;
-
-	if ((n = strlen(stty_args)) > sizeof(cmd)-1)
-		die("incorrect stty parameters\n");
-	memcpy(cmd, stty_args, n);
-	q = cmd + n;
-	siz = sizeof(cmd) - n;
-	for (p = opt_cmd; p && (s = *p); ++p) {
-		if ((n = strlen(s)) > siz-1)
-			die("stty parameter length too long\n");
-		*q++ = ' ';
-		memcpy(q, s, n);
-		q += n;
-		siz -= n + 1;
-	}
-	*q = '\0';
-	if (system(cmd) != 0)
-	    perror("Couldn't call stty");
-}
-
-void
-ttynew(void)
-{
-	int m, s;
-	struct winsize w = {term.row, term.col, 0, 0};
-
-	if (opt_io) {
-		term.mode |= MODE_PRINT;
-		iofd = (!strcmp(opt_io, "-")) ?
-			  1 : open(opt_io, O_WRONLY | O_CREAT, 0666);
-		if (iofd < 0) {
-			fprintf(stderr, "Error opening %s:%s\n",
-				opt_io, strerror(errno));
-		}
-	}
-
-	if (opt_line) {
-		if ((cmdfd = open(opt_line, O_RDWR)) < 0)
-			die("open line failed: %s\n", strerror(errno));
-		dup2(cmdfd, 0);
-		stty();
-		return;
-	}
-
-	/* seems to work fine on linux, openbsd and freebsd */
-	if (openpty(&m, &s, NULL, NULL, &w) < 0)
-		die("openpty failed: %s\n", strerror(errno));
-
-	switch (pid = fork()) {
-	case -1:
-		die("fork failed\n");
-		break;
-	case 0:
-		close(iofd);
-		setsid(); /* create a new process group */
-		dup2(s, 0);
-		dup2(s, 1);
-		dup2(s, 2);
-		if (ioctl(s, TIOCSCTTY, NULL) < 0)
-			die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
-		close(s);
-		close(m);
-		execsh();
-		break;
-	default:
-		close(s);
-		cmdfd = m;
-		signal(SIGCHLD, sigchld);
-		break;
-	}
-}
-
-size_t
-ttyread(void)
-{
-	static char buf[BUFSIZ];
-	static int buflen = 0;
-	char *ptr;
-	int charsize; /* size of utf8 char in bytes */
-	Rune unicodep;
-	int ret;
-
-	/* append read bytes to unprocessed bytes */
-	if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
-		die("Couldn't read from shell: %s\n", strerror(errno));
-
-	buflen += ret;
-	ptr = buf;
-
-	for (;;) {
-		if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
-			/* process a complete utf8 char */
-			charsize = utf8decode(ptr, &unicodep, buflen);
-			if (charsize == 0)
-				break;
-			tputc(unicodep);
-			ptr += charsize;
-			buflen -= charsize;
-
-		} else {
-			if (buflen <= 0)
-				break;
-			tputc(*ptr++ & 0xFF);
-			buflen--;
-		}
-	}
-	/* keep any uncomplete utf8 char for the next call */
-	if (buflen > 0)
-		memmove(buf, ptr, buflen);
-
-	if (term.scr > 0 && term.scr < histsize-1)
-		term.scr++;
-
-	return ret;
-}
-
-void
-ttywrite(const char *s, size_t n)
-{
-	fd_set wfd, rfd;
-	ssize_t r;
-	size_t lim = 256;
-	Arg arg = (Arg) { .i = term.scr };
-
-	kscrolldown(&arg);
-
-	/*
-	 * Remember that we are using a pty, which might be a modem line.
-	 * Writing too much will clog the line. That's why we are doing this
-	 * dance.
-	 * FIXME: Migrate the world to Plan 9.
-	 */
-	while (n > 0) {
-		FD_ZERO(&wfd);
-		FD_ZERO(&rfd);
-		FD_SET(cmdfd, &wfd);
-		FD_SET(cmdfd, &rfd);
-
-		/* Check if we can write. */
-		if (pselect(cmdfd+1, &rfd, &wfd, NULL, NULL, NULL) < 0) {
-			if (errno == EINTR)
-				continue;
-			die("select failed: %s\n", strerror(errno));
-		}
-		if (FD_ISSET(cmdfd, &wfd)) {
-			/*
-			 * Only write the bytes written by ttywrite() or the
-			 * default of 256. This seems to be a reasonable value
-			 * for a serial line. Bigger values might clog the I/O.
-			 */
-			if ((r = write(cmdfd, s, (n < lim)? n : lim)) < 0)
-				goto write_error;
-			if (r < n) {
-				/*
-				 * We weren't able to write out everything.
-				 * This means the buffer is getting full
-				 * again. Empty it.
-				 */
-				if (n < lim)
-					lim = ttyread();
-				n -= r;
-				s += r;
-			} else {
-				/* All bytes have been written. */
-				break;
-			}
-		}
-		if (FD_ISSET(cmdfd, &rfd))
-			lim = ttyread();
-	}
-	return;
-
-write_error:
-	die("write error on tty: %s\n", strerror(errno));
-}
-
-void
-ttysend(char *s, size_t n)
-{
-	int len;
-	char *t, *lim;
-	Rune u;
-
-	ttywrite(s, n);
-	if (!IS_SET(MODE_ECHO))
-		return;
-
-	lim = &s[n];
-	for (t = s; t < lim; t += len) {
-		if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
-			len = utf8decode(t, &u, n);
-		} else {
-			u = *t & 0xFF;
-			len = 1;
-		}
-		if (len <= 0)
-			break;
-		techo(u);
-		n -= len;
-	}
-}
-
-void
-ttyresize(void)
-{
-	struct winsize w;
-
-	w.ws_row = term.row;
-	w.ws_col = term.col;
-	w.ws_xpixel = xw.tw;
-	w.ws_ypixel = xw.th;
-	if (ioctl(cmdfd, TIOCSWINSZ, &w) < 0)
-		fprintf(stderr, "Couldn't set window size: %s\n", strerror(errno));
-}
-
-int
-tattrset(int attr)
-{
-	int i, j;
-
-	for (i = 0; i < term.row-1; i++) {
-		for (j = 0; j < term.col-1; j++) {
-			if (term.line[i][j].mode & attr)
-				return 1;
-		}
-	}
-
-	return 0;
-}
-
-void
-tsetdirt(int top, int bot)
-{
-	int i;
-
-	LIMIT(top, 0, term.row-1);
-	LIMIT(bot, 0, term.row-1);
-
-	for (i = top; i <= bot; i++)
-		term.dirty[i] = 1;
-}
-
-void
-tsetdirtattr(int attr)
-{
-	int i, j;
-
-	for (i = 0; i < term.row-1; i++) {
-		for (j = 0; j < term.col-1; j++) {
-			if (term.line[i][j].mode & attr) {
-				tsetdirt(i, i);
-				break;
-			}
-		}
-	}
-}
-
-void
-tfulldirt(void)
-{
-	tsetdirt(0, term.row-1);
-}
-
-void
-tcursor(int mode)
-{
-	static TCursor c[2];
-	int alt = IS_SET(MODE_ALTSCREEN);
-
-	if (mode == CURSOR_SAVE) {
-		c[alt] = term.c;
-	} else if (mode == CURSOR_LOAD) {
-		term.c = c[alt];
-		tmoveto(c[alt].x, c[alt].y);
-	}
-}
-
-void
-treset(void)
-{
-	uint i;
-
-	term.c = (TCursor){{
-		.mode = ATTR_NULL,
-		.fg = defaultfg,
-		.bg = defaultbg
-	}, .x = 0, .y = 0, .state = CURSOR_DEFAULT};
-
-	memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-	for (i = tabspaces; i < term.col; i += tabspaces)
-		term.tabs[i] = 1;
-	term.top = 0;
-	term.bot = term.row - 1;
-	term.mode = MODE_WRAP|MODE_UTF8;
-	memset(term.trantbl, CS_USA, sizeof(term.trantbl));
-	term.charset = 0;
-
-	for (i = 0; i < 2; i++) {
-		tmoveto(0, 0);
-		tcursor(CURSOR_SAVE);
-		tclearregion(0, 0, term.col-1, term.row-1);
-		tswapscreen();
-	}
-}
-
-void
-tnew(int col, int row)
-{
-	term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
-	tresize(col, row);
-	term.numlock = 1;
-
-	treset();
-}
-
-void
-tswapscreen(void)
-{
-	Line *tmp = term.line;
-
-	term.line = term.alt;
-	term.alt = tmp;
-	term.mode ^= MODE_ALTSCREEN;
-	tfulldirt();
-}
-
-void
-kscrolldown(const Arg* a)
-{
-	int n = a->i;
-
-	if (n < 0)
-		n = term.row + n;
-
-	if (n > term.scr)
-		n = term.scr;
-
-	if (term.scr > 0) {
-		term.scr -= n;
-		selscroll(0, -n);
-		tfulldirt();
-	}
-}
-
-void
-kscrollup(const Arg* a)
-{
-	int n = a->i;
-
-	if (n < 0)
-		n = term.row + n;
-
-	if (term.scr <= histsize - n) {
-		term.scr += n;
-		selscroll(0, n);
-		tfulldirt();
-	}
-}
-
-void
-tscrolldown(int orig, int n, int copyhist)
-{
-	int i;
-	Line temp;
-
-	LIMIT(n, 0, term.bot-orig+1);
-
-	if (copyhist) {
-		term.histi = (term.histi - 1 + histsize) % histsize;
-		temp = term.hist[term.histi];
-		term.hist[term.histi] = term.line[term.bot];
-		term.line[term.bot] = temp;
-	}
-
-	tsetdirt(orig, term.bot-n);
-	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
-
-	for (i = term.bot; i >= orig+n; i--) {
-		temp = term.line[i];
-		term.line[i] = term.line[i-n];
-		term.line[i-n] = temp;
-	}
-
-	selscroll(orig, n);
-}
-
-void
-tscrollup(int orig, int n, int copyhist)
-{
-	int i;
-	Line temp;
-
-	LIMIT(n, 0, term.bot-orig+1);
-
-	if (copyhist) {
-		term.histi = (term.histi + 1) % histsize;
-		temp = term.hist[term.histi];
-		term.hist[term.histi] = term.line[orig];
-		term.line[orig] = temp;
-	}
-
-	tclearregion(0, orig, term.col-1, orig+n-1);
-	tsetdirt(orig+n, term.bot);
-
-	for (i = orig; i <= term.bot-n; i++) {
-		temp = term.line[i];
-		term.line[i] = term.line[i+n];
-		term.line[i+n] = temp;
-	}
-
-	selscroll(orig, -n);
-}
-
-void
-selscroll(int orig, int n)
-{
-	if (sel.ob.x == -1)
-		return;
-
-	if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
-		if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
-			selclear(NULL);
-			return;
-		}
-		if (sel.type == SEL_RECTANGULAR) {
-			if (sel.ob.y < term.top)
-				sel.ob.y = term.top;
-			if (sel.oe.y > term.bot)
-				sel.oe.y = term.bot;
-		} else {
-			if (sel.ob.y < term.top) {
-				sel.ob.y = term.top;
-				sel.ob.x = 0;
-			}
-			if (sel.oe.y > term.bot) {
-				sel.oe.y = term.bot;
-				sel.oe.x = term.col;
-			}
-		}
-		selnormalize();
-	}
-}
-
-void
-tnewline(int first_col)
-{
-	int y = term.c.y;
-
-	if (y == term.bot) {
-		tscrollup(term.top, 1, 1);
-	} else {
-		y++;
-	}
-	tmoveto(first_col ? 0 : term.c.x, y);
-}
-
-void
-csiparse(void)
-{
-	char *p = csiescseq.buf, *np;
-	long int v;
-
-	csiescseq.narg = 0;
-	if (*p == '?') {
-		csiescseq.priv = 1;
-		p++;
-	}
-
-	csiescseq.buf[csiescseq.len] = '\0';
-	while (p < csiescseq.buf+csiescseq.len) {
-		np = NULL;
-		v = strtol(p, &np, 10);
-		if (np == p)
-			v = 0;
-		if (v == LONG_MAX || v == LONG_MIN)
-			v = -1;
-		csiescseq.arg[csiescseq.narg++] = v;
-		p = np;
-		if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
-			break;
-		p++;
-	}
-	csiescseq.mode[0] = *p++;
-	csiescseq.mode[1] = (p < csiescseq.buf+csiescseq.len) ? *p : '\0';
-}
-
-/* for absolute user moves, when decom is set */
-void
-tmoveato(int x, int y)
-{
-	tmoveto(x, y + ((term.c.state & CURSOR_ORIGIN) ? term.top: 0));
-}
-
-void
-tmoveto(int x, int y)
-{
-	int miny, maxy;
-
-	if (term.c.state & CURSOR_ORIGIN) {
-		miny = term.top;
-		maxy = term.bot;
-	} else {
-		miny = 0;
-		maxy = term.row - 1;
-	}
-	term.c.state &= ~CURSOR_WRAPNEXT;
-	term.c.x = LIMIT(x, 0, term.col-1);
-	term.c.y = LIMIT(y, miny, maxy);
-}
-
-void
-tsetchar(Rune u, Glyph *attr, int x, int y)
-{
-	static char *vt100_0[62] = { /* 0x41 - 0x7e */
-		"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
-		0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
-		0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
-		0, 0, 0, 0, 0, 0, 0, " ", /* X - _ */
-		"◆", "▒", "␉", "␌", "␍", "␊", "°", "±", /* ` - g */
-		"␤", "␋", "┘", "┐", "┌", "└", "┼", "⎺", /* h - o */
-		"⎻", "─", "⎼", "⎽", "├", "┤", "┴", "┬", /* p - w */
-		"│", "≤", "≥", "π", "≠", "£", "·", /* x - ~ */
-	};
-
-	/*
-	 * The table is proudly stolen from rxvt.
-	 */
-	if (term.trantbl[term.charset] == CS_GRAPHIC0 &&
-	   BETWEEN(u, 0x41, 0x7e) && vt100_0[u - 0x41])
-		utf8decode(vt100_0[u - 0x41], &u, UTF_SIZ);
-
-	if (term.line[y][x].mode & ATTR_WIDE) {
-		if (x+1 < term.col) {
-			term.line[y][x+1].u = ' ';
-			term.line[y][x+1].mode &= ~ATTR_WDUMMY;
-		}
-	} else if (term.line[y][x].mode & ATTR_WDUMMY) {
-		term.line[y][x-1].u = ' ';
-		term.line[y][x-1].mode &= ~ATTR_WIDE;
-	}
-
-	term.dirty[y] = 1;
-	term.line[y][x] = *attr;
-	term.line[y][x].u = u;
-}
-
-void
-tclearregion(int x1, int y1, int x2, int y2)
-{
-	int x, y, temp;
-	Glyph *gp;
-
-	if (x1 > x2)
-		temp = x1, x1 = x2, x2 = temp;
-	if (y1 > y2)
-		temp = y1, y1 = y2, y2 = temp;
-
-	LIMIT(x1, 0, term.col-1);
-	LIMIT(x2, 0, term.col-1);
-	LIMIT(y1, 0, term.row-1);
-	LIMIT(y2, 0, term.row-1);
-
-	for (y = y1; y <= y2; y++) {
-		term.dirty[y] = 1;
-		for (x = x1; x <= x2; x++) {
-			gp = &term.line[y][x];
-			if (selected(x, y))
-				selclear(NULL);
-			gp->fg = term.c.attr.fg;
-			gp->bg = term.c.attr.bg;
-			gp->mode = 0;
-			gp->u = ' ';
-		}
-	}
-}
-
-void
-tdeletechar(int n)
-{
-	int dst, src, size;
-	Glyph *line;
-
-	LIMIT(n, 0, term.col - term.c.x);
-
-	dst = term.c.x;
-	src = term.c.x + n;
-	size = term.col - src;
-	line = term.line[term.c.y];
-
-	memmove(&line[dst], &line[src], size * sizeof(Glyph));
-	tclearregion(term.col-n, term.c.y, term.col-1, term.c.y);
-}
-
-void
-tinsertblank(int n)
-{
-	int dst, src, size;
-	Glyph *line;
-
-	LIMIT(n, 0, term.col - term.c.x);
-
-	dst = term.c.x + n;
-	src = term.c.x;
-	size = term.col - dst;
-	line = term.line[term.c.y];
-
-	memmove(&line[dst], &line[src], size * sizeof(Glyph));
-	tclearregion(src, term.c.y, dst - 1, term.c.y);
-}
-
-void
-tinsertblankline(int n)
-{
-	if (BETWEEN(term.c.y, term.top, term.bot))
-		tscrolldown(term.c.y, n, 0);
-}
-
-void
-tdeleteline(int n)
-{
-	if (BETWEEN(term.c.y, term.top, term.bot))
-		tscrollup(term.c.y, n, 0);
-}
-
-int32_t
-tdefcolor(int *attr, int *npar, int l)
-{
-	int32_t idx = -1;
-	uint r, g, b;
-
-	switch (attr[*npar + 1]) {
-	case 2: /* direct color in RGB space */
-		if (*npar + 4 >= l) {
-			fprintf(stderr,
-				"erresc(38): Incorrect number of parameters (%d)\n",
-				*npar);
-			break;
-		}
-		r = attr[*npar + 2];
-		g = attr[*npar + 3];
-		b = attr[*npar + 4];
-		*npar += 4;
-		if (!BETWEEN(r, 0, 255) || !BETWEEN(g, 0, 255) || !BETWEEN(b, 0, 255))
-			fprintf(stderr, "erresc: bad rgb color (%u,%u,%u)\n",
-				r, g, b);
-		else
-			idx = TRUECOLOR(r, g, b);
-		break;
-	case 5: /* indexed color */
-		if (*npar + 2 >= l) {
-			fprintf(stderr,
-				"erresc(38): Incorrect number of parameters (%d)\n",
-				*npar);
-			break;
-		}
-		*npar += 2;
-		if (!BETWEEN(attr[*npar], 0, 255))
-			fprintf(stderr, "erresc: bad fgcolor %d\n", attr[*npar]);
-		else
-			idx = attr[*npar];
-		break;
-	case 0: /* implemented defined (only foreground) */
-	case 1: /* transparent */
-	case 3: /* direct color in CMY space */
-	case 4: /* direct color in CMYK space */
-	default:
-		fprintf(stderr,
-		        "erresc(38): gfx attr %d unknown\n", attr[*npar]);
-		break;
-	}
-
-	return idx;
-}
-
-void
-tsetattr(int *attr, int l)
-{
-	int i;
-	int32_t idx;
-
-	for (i = 0; i < l; i++) {
-		switch (attr[i]) {
-		case 0:
-			term.c.attr.mode &= ~(
-				ATTR_BOLD       |
-				ATTR_FAINT      |
-				ATTR_ITALIC     |
-				ATTR_UNDERLINE  |
-				ATTR_BLINK      |
-				ATTR_REVERSE    |
-				ATTR_INVISIBLE  |
-				ATTR_STRUCK     );
-			term.c.attr.fg = defaultfg;
-			term.c.attr.bg = defaultbg;
-			break;
-		case 1:
-			term.c.attr.mode |= ATTR_BOLD;
-			break;
-		case 2:
-			term.c.attr.mode |= ATTR_FAINT;
-			break;
-		case 3:
-			term.c.attr.mode |= ATTR_ITALIC;
-			break;
-		case 4:
-			term.c.attr.mode |= ATTR_UNDERLINE;
-			break;
-		case 5: /* slow blink */
-			/* FALLTHROUGH */
-		case 6: /* rapid blink */
-			term.c.attr.mode |= ATTR_BLINK;
-			break;
-		case 7:
-			term.c.attr.mode |= ATTR_REVERSE;
-			break;
-		case 8:
-			term.c.attr.mode |= ATTR_INVISIBLE;
-			break;
-		case 9:
-			term.c.attr.mode |= ATTR_STRUCK;
-			break;
-		case 22:
-			term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
-			break;
-		case 23:
-			term.c.attr.mode &= ~ATTR_ITALIC;
-			break;
-		case 24:
-			term.c.attr.mode &= ~ATTR_UNDERLINE;
-			break;
-		case 25:
-			term.c.attr.mode &= ~ATTR_BLINK;
-			break;
-		case 27:
-			term.c.attr.mode &= ~ATTR_REVERSE;
-			break;
-		case 28:
-			term.c.attr.mode &= ~ATTR_INVISIBLE;
-			break;
-		case 29:
-			term.c.attr.mode &= ~ATTR_STRUCK;
-			break;
-		case 38:
-			if ((idx = tdefcolor(attr, &i, l)) >= 0)
-				term.c.attr.fg = idx;
-			break;
-		case 39:
-			term.c.attr.fg = defaultfg;
-			break;
-		case 48:
-			if ((idx = tdefcolor(attr, &i, l)) >= 0)
-				term.c.attr.bg = idx;
-			break;
-		case 49:
-			term.c.attr.bg = defaultbg;
-			break;
-		default:
-			if (BETWEEN(attr[i], 30, 37)) {
-				term.c.attr.fg = attr[i] - 30;
-			} else if (BETWEEN(attr[i], 40, 47)) {
-				term.c.attr.bg = attr[i] - 40;
-			} else if (BETWEEN(attr[i], 90, 97)) {
-				term.c.attr.fg = attr[i] - 90 + 8;
-			} else if (BETWEEN(attr[i], 100, 107)) {
-				term.c.attr.bg = attr[i] - 100 + 8;
-			} else {
-				fprintf(stderr,
-					"erresc(default): gfx attr %d unknown\n",
-					attr[i]), csidump();
-			}
-			break;
-		}
-	}
-}
-
-void
-tsetscroll(int t, int b)
-{
-	int temp;
-
-	LIMIT(t, 0, term.row-1);
-	LIMIT(b, 0, term.row-1);
-	if (t > b) {
-		temp = t;
-		t = b;
-		b = temp;
-	}
-	term.top = t;
-	term.bot = b;
-}
-
-void
-tsetmode(int priv, int set, int *args, int narg)
-{
-	int *lim, mode;
-	int alt;
-
-	for (lim = args + narg; args < lim; ++args) {
-		if (priv) {
-			switch (*args) {
-			case 1: /* DECCKM -- Cursor key */
-				MODBIT(term.mode, set, MODE_APPCURSOR);
-				break;
-			case 5: /* DECSCNM -- Reverse video */
-				mode = term.mode;
-				MODBIT(term.mode, set, MODE_REVERSE);
-				if (mode != term.mode)
-					redraw();
-				break;
-			case 6: /* DECOM -- Origin */
-				MODBIT(term.c.state, set, CURSOR_ORIGIN);
-				tmoveato(0, 0);
-				break;
-			case 7: /* DECAWM -- Auto wrap */
-				MODBIT(term.mode, set, MODE_WRAP);
-				break;
-			case 0:  /* Error (IGNORED) */
-			case 2:  /* DECANM -- ANSI/VT52 (IGNORED) */
-			case 3:  /* DECCOLM -- Column  (IGNORED) */
-			case 4:  /* DECSCLM -- Scroll (IGNORED) */
-			case 8:  /* DECARM -- Auto repeat (IGNORED) */
-			case 18: /* DECPFF -- Printer feed (IGNORED) */
-			case 19: /* DECPEX -- Printer extent (IGNORED) */
-			case 42: /* DECNRCM -- National characters (IGNORED) */
-			case 12: /* att610 -- Start blinking cursor (IGNORED) */
-				break;
-			case 25: /* DECTCEM -- Text Cursor Enable Mode */
-				MODBIT(term.mode, !set, MODE_HIDE);
-				break;
-			case 9:    /* X10 mouse compatibility mode */
-				xsetpointermotion(0);
-				MODBIT(term.mode, 0, MODE_MOUSE);
-				MODBIT(term.mode, set, MODE_MOUSEX10);
-				break;
-			case 1000: /* 1000: report button press */
-				xsetpointermotion(0);
-				MODBIT(term.mode, 0, MODE_MOUSE);
-				MODBIT(term.mode, set, MODE_MOUSEBTN);
-				break;
-			case 1002: /* 1002: report motion on button press */
-				xsetpointermotion(0);
-				MODBIT(term.mode, 0, MODE_MOUSE);
-				MODBIT(term.mode, set, MODE_MOUSEMOTION);
-				break;
-			case 1003: /* 1003: enable all mouse motions */
-				xsetpointermotion(set);
-				MODBIT(term.mode, 0, MODE_MOUSE);
-				MODBIT(term.mode, set, MODE_MOUSEMANY);
-				break;
-			case 1004: /* 1004: send focus events to tty */
-				MODBIT(term.mode, set, MODE_FOCUS);
-				break;
-			case 1006: /* 1006: extended reporting mode */
-				MODBIT(term.mode, set, MODE_MOUSESGR);
-				break;
-			case 1034:
-				MODBIT(term.mode, set, MODE_8BIT);
-				break;
-			case 1049: /* swap screen & set/restore cursor as xterm */
-				if (!allowaltscreen)
-					break;
-				tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
-				/* FALLTHROUGH */
-			case 47: /* swap screen */
-			case 1047:
-				if (!allowaltscreen)
-					break;
-				alt = IS_SET(MODE_ALTSCREEN);
-				if (alt) {
-					tclearregion(0, 0, term.col-1,
-							term.row-1);
-				}
-				if (set ^ alt) /* set is always 1 or 0 */
-					tswapscreen();
-				if (*args != 1049)
-					break;
-				/* FALLTHROUGH */
-			case 1048:
-				tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
-				break;
-			case 2004: /* 2004: bracketed paste mode */
-				MODBIT(term.mode, set, MODE_BRCKTPASTE);
-				break;
-			/* Not implemented mouse modes. See comments there. */
-			case 1001: /* mouse highlight mode; can hang the
-				      terminal by design when implemented. */
-			case 1005: /* UTF-8 mouse mode; will confuse
-				      applications not supporting UTF-8
-				      and luit. */
-			case 1015: /* urxvt mangled mouse mode; incompatible
-				      and can be mistaken for other control
-				      codes. */
-			default:
-				fprintf(stderr,
-					"erresc: unknown private set/reset mode %d\n",
-					*args);
-				break;
-			}
-		} else {
-			switch (*args) {
-			case 0:  /* Error (IGNORED) */
-				break;
-			case 2:  /* KAM -- keyboard action */
-				MODBIT(term.mode, set, MODE_KBDLOCK);
-				break;
-			case 4:  /* IRM -- Insertion-replacement */
-				MODBIT(term.mode, set, MODE_INSERT);
-				break;
-			case 12: /* SRM -- Send/Receive */
-				MODBIT(term.mode, !set, MODE_ECHO);
-				break;
-			case 20: /* LNM -- Linefeed/new line */
-				MODBIT(term.mode, set, MODE_CRLF);
-				break;
-			default:
-				fprintf(stderr,
-					"erresc: unknown set/reset mode %d\n",
-					*args);
-				break;
-			}
-		}
-	}
-}
-
-void
-csihandle(void)
-{
-	char buf[40];
-	int len;
-
-	switch (csiescseq.mode[0]) {
-	default:
-	unknown:
-		fprintf(stderr, "erresc: unknown csi ");
-		csidump();
-		/* die(""); */
-		break;
-	case '@': /* ICH -- Insert <n> blank char */
-		DEFAULT(csiescseq.arg[0], 1);
-		tinsertblank(csiescseq.arg[0]);
-		break;
-	case 'A': /* CUU -- Cursor <n> Up */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(term.c.x, term.c.y-csiescseq.arg[0]);
-		break;
-	case 'B': /* CUD -- Cursor <n> Down */
-	case 'e': /* VPR --Cursor <n> Down */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(term.c.x, term.c.y+csiescseq.arg[0]);
-		break;
-	case 'i': /* MC -- Media Copy */
-		switch (csiescseq.arg[0]) {
-		case 0:
-			tdump();
-			break;
-		case 1:
-			tdumpline(term.c.y);
-			break;
-		case 2:
-			tdumpsel();
-			break;
-		case 4:
-			term.mode &= ~MODE_PRINT;
-			break;
-		case 5:
-			term.mode |= MODE_PRINT;
-			break;
-		}
-		break;
-	case 'c': /* DA -- Device Attributes */
-		if (csiescseq.arg[0] == 0)
-			ttywrite(vtiden, sizeof(vtiden) - 1);
-		break;
-	case 'C': /* CUF -- Cursor <n> Forward */
-	case 'a': /* HPR -- Cursor <n> Forward */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(term.c.x+csiescseq.arg[0], term.c.y);
-		break;
-	case 'D': /* CUB -- Cursor <n> Backward */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(term.c.x-csiescseq.arg[0], term.c.y);
-		break;
-	case 'E': /* CNL -- Cursor <n> Down and first col */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(0, term.c.y+csiescseq.arg[0]);
-		break;
-	case 'F': /* CPL -- Cursor <n> Up and first col */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(0, term.c.y-csiescseq.arg[0]);
-		break;
-	case 'g': /* TBC -- Tabulation clear */
-		switch (csiescseq.arg[0]) {
-		case 0: /* clear current tab stop */
-			term.tabs[term.c.x] = 0;
-			break;
-		case 3: /* clear all the tabs */
-			memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-			break;
-		default:
-			goto unknown;
-		}
-		break;
-	case 'G': /* CHA -- Move to <col> */
-	case '`': /* HPA */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveto(csiescseq.arg[0]-1, term.c.y);
-		break;
-	case 'H': /* CUP -- Move to <row> <col> */
-	case 'f': /* HVP */
-		DEFAULT(csiescseq.arg[0], 1);
-		DEFAULT(csiescseq.arg[1], 1);
-		tmoveato(csiescseq.arg[1]-1, csiescseq.arg[0]-1);
-		break;
-	case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
-		DEFAULT(csiescseq.arg[0], 1);
-		tputtab(csiescseq.arg[0]);
-		break;
-	case 'J': /* ED -- Clear screen */
-		selclear(NULL);
-		switch (csiescseq.arg[0]) {
-		case 0: /* below */
-			tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
-			if (term.c.y < term.row-1) {
-				tclearregion(0, term.c.y+1, term.col-1,
-						term.row-1);
-			}
-			break;
-		case 1: /* above */
-			if (term.c.y > 1)
-				tclearregion(0, 0, term.col-1, term.c.y-1);
-			tclearregion(0, term.c.y, term.c.x, term.c.y);
-			break;
-		case 2: /* all */
-			tclearregion(0, 0, term.col-1, term.row-1);
-			break;
-		default:
-			goto unknown;
-		}
-		break;
-	case 'K': /* EL -- Clear line */
-		switch (csiescseq.arg[0]) {
-		case 0: /* right */
-			tclearregion(term.c.x, term.c.y, term.col-1,
-					term.c.y);
-			break;
-		case 1: /* left */
-			tclearregion(0, term.c.y, term.c.x, term.c.y);
-			break;
-		case 2: /* all */
-			tclearregion(0, term.c.y, term.col-1, term.c.y);
-			break;
-		}
-		break;
-	case 'S': /* SU -- Scroll <n> line up */
-		DEFAULT(csiescseq.arg[0], 1);
-		tscrollup(term.top, csiescseq.arg[0], 0);
-		break;
-	case 'T': /* SD -- Scroll <n> line down */
-		DEFAULT(csiescseq.arg[0], 1);
-		tscrolldown(term.top, csiescseq.arg[0], 0);
-		break;
-	case 'L': /* IL -- Insert <n> blank lines */
-		DEFAULT(csiescseq.arg[0], 1);
-		tinsertblankline(csiescseq.arg[0]);
-		break;
-	case 'l': /* RM -- Reset Mode */
-		tsetmode(csiescseq.priv, 0, csiescseq.arg, csiescseq.narg);
-		break;
-	case 'M': /* DL -- Delete <n> lines */
-		DEFAULT(csiescseq.arg[0], 1);
-		tdeleteline(csiescseq.arg[0]);
-		break;
-	case 'X': /* ECH -- Erase <n> char */
-		DEFAULT(csiescseq.arg[0], 1);
-		tclearregion(term.c.x, term.c.y,
-				term.c.x + csiescseq.arg[0] - 1, term.c.y);
-		break;
-	case 'P': /* DCH -- Delete <n> char */
-		DEFAULT(csiescseq.arg[0], 1);
-		tdeletechar(csiescseq.arg[0]);
-		break;
-	case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
-		DEFAULT(csiescseq.arg[0], 1);
-		tputtab(-csiescseq.arg[0]);
-		break;
-	case 'd': /* VPA -- Move to <row> */
-		DEFAULT(csiescseq.arg[0], 1);
-		tmoveato(term.c.x, csiescseq.arg[0]-1);
-		break;
-	case 'h': /* SM -- Set terminal mode */
-		tsetmode(csiescseq.priv, 1, csiescseq.arg, csiescseq.narg);
-		break;
-	case 'm': /* SGR -- Terminal attribute (color) */
-		tsetattr(csiescseq.arg, csiescseq.narg);
-		break;
-	case 'n': /* DSR – Device Status Report (cursor position) */
-		if (csiescseq.arg[0] == 6) {
-			len = snprintf(buf, sizeof(buf),"\033[%i;%iR",
-					term.c.y+1, term.c.x+1);
-			ttywrite(buf, len);
-		}
-		break;
-	case 'r': /* DECSTBM -- Set Scrolling Region */
-		if (csiescseq.priv) {
-			goto unknown;
-		} else {
-			DEFAULT(csiescseq.arg[0], 1);
-			DEFAULT(csiescseq.arg[1], term.row);
-			tsetscroll(csiescseq.arg[0]-1, csiescseq.arg[1]-1);
-			tmoveato(0, 0);
-		}
-		break;
-	case 's': /* DECSC -- Save cursor position (ANSI.SYS) */
-		tcursor(CURSOR_SAVE);
-		break;
-	case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
-		tcursor(CURSOR_LOAD);
-		break;
-	case ' ':
-		switch (csiescseq.mode[1]) {
-		case 'q': /* DECSCUSR -- Set Cursor Style */
-			DEFAULT(csiescseq.arg[0], 1);
-			if (!BETWEEN(csiescseq.arg[0], 0, 6)) {
-				goto unknown;
-			}
-			xw.cursor = csiescseq.arg[0];
-			break;
-		default:
-			goto unknown;
-		}
-		break;
-	}
-}
-
-void
-csidump(void)
-{
-	int i;
-	uint c;
-
-	fprintf(stderr, "ESC[");
-	for (i = 0; i < csiescseq.len; i++) {
-		c = csiescseq.buf[i] & 0xff;
-		if (isprint(c)) {
-			putc(c, stderr);
-		} else if (c == '\n') {
-			fprintf(stderr, "(\\n)");
-		} else if (c == '\r') {
-			fprintf(stderr, "(\\r)");
-		} else if (c == 0x1b) {
-			fprintf(stderr, "(\\e)");
-		} else {
-			fprintf(stderr, "(%02x)", c);
-		}
-	}
-	putc('\n', stderr);
-}
-
-void
-csireset(void)
-{
-	memset(&csiescseq, 0, sizeof(csiescseq));
-}
-
-void
-strhandle(void)
-{
-	char *p = NULL;
-	int j, narg, par;
-
-	term.esc &= ~(ESC_STR_END|ESC_STR);
-	strparse();
-	par = (narg = strescseq.narg) ? atoi(strescseq.args[0]) : 0;
-
-	switch (strescseq.type) {
-	case ']': /* OSC -- Operating System Command */
-		switch (par) {
-		case 0:
-		case 1:
-		case 2:
-			if (narg > 1)
-				xsettitle(strescseq.args[1]);
-			return;
-		case 4: /* color set */
-			if (narg < 3)
-				break;
-			p = strescseq.args[2];
-			/* FALLTHROUGH */
-		case 104: /* color reset, here p = NULL */
-			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
-			if (xsetcolorname(j, p)) {
-				fprintf(stderr, "erresc: invalid color %s\n", p);
-			} else {
-				/*
-				 * TODO if defaultbg color is changed, borders
-				 * are dirty
-				 */
-				redraw();
-			}
-			return;
-		}
-		break;
-	case 'k': /* old title set compatibility */
-		xsettitle(strescseq.args[0]);
-		return;
-	case 'P': /* DCS -- Device Control String */
-		term.mode |= ESC_DCS;
-	case '_': /* APC -- Application Program Command */
-	case '^': /* PM -- Privacy Message */
-		return;
-	}
-
-	fprintf(stderr, "erresc: unknown str ");
-	strdump();
-}
-
-void
-strparse(void)
-{
-	int c;
-	char *p = strescseq.buf;
-
-	strescseq.narg = 0;
-	strescseq.buf[strescseq.len] = '\0';
-
-	if (*p == '\0')
-		return;
-
-	while (strescseq.narg < STR_ARG_SIZ) {
-		strescseq.args[strescseq.narg++] = p;
-		while ((c = *p) != ';' && c != '\0')
-			++p;
-		if (c == '\0')
-			return;
-		*p++ = '\0';
-	}
-}
-
-void
-strdump(void)
-{
-	int i;
-	uint c;
-
-	fprintf(stderr, "ESC%c", strescseq.type);
-	for (i = 0; i < strescseq.len; i++) {
-		c = strescseq.buf[i] & 0xff;
-		if (c == '\0') {
-			putc('\n', stderr);
-			return;
-		} else if (isprint(c)) {
-			putc(c, stderr);
-		} else if (c == '\n') {
-			fprintf(stderr, "(\\n)");
-		} else if (c == '\r') {
-			fprintf(stderr, "(\\r)");
-		} else if (c == 0x1b) {
-			fprintf(stderr, "(\\e)");
-		} else {
-			fprintf(stderr, "(%02x)", c);
-		}
-	}
-	fprintf(stderr, "ESC\\\n");
-}
-
-void
-strreset(void)
-{
-	memset(&strescseq, 0, sizeof(strescseq));
-}
-
-void
-sendbreak(const Arg *arg)
-{
-	if (tcsendbreak(cmdfd, 0))
-		perror("Error sending break");
-}
-
-void
-tprinter(char *s, size_t len)
-{
-	if (iofd != -1 && xwrite(iofd, s, len) < 0) {
-		fprintf(stderr, "Error writing in %s:%s\n",
-			opt_io, strerror(errno));
-		close(iofd);
-		iofd = -1;
-	}
-}
-
-void
-iso14755(const Arg *arg)
-{
-	char cmd[sizeof(ISO14755CMD) + NUMMAXLEN(xw.win)];
-	FILE *p;
-	char *us, *e, codepoint[9], uc[UTF_SIZ];
-	unsigned long utf32;
-
-	snprintf(cmd, sizeof(cmd), ISO14755CMD, xw.win);
-	if (!(p = popen(cmd, "r")))
-		return;
-
-	us = fgets(codepoint, sizeof(codepoint), p);
-	pclose(p);
-
-	if (!us || *us == '\0' || *us == '-' || strlen(us) > 7)
-		return;
-	if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX ||
-	    (*e != '\n' && *e != '\0'))
-		return;
-
-	ttysend(uc, utf8encode(utf32, uc));
-}
-
-void
-toggleprinter(const Arg *arg)
-{
-	term.mode ^= MODE_PRINT;
-}
-
-void
-printscreen(const Arg *arg)
-{
-	tdump();
-}
-
-void
-printsel(const Arg *arg)
-{
-	tdumpsel();
-}
-
-void
-tdumpsel(void)
-{
-	char *ptr;
-
-	if ((ptr = getsel())) {
-		tprinter(ptr, strlen(ptr));
-		free(ptr);
-	}
-}
-
-void
-tdumpline(int n)
-{
-	char buf[UTF_SIZ];
-	Glyph *bp, *end;
-
-	bp = &term.line[n][0];
-	end = &bp[MIN(tlinelen(n), term.col) - 1];
-	if (bp != end || bp->u != ' ') {
-		for ( ;bp <= end; ++bp)
-			tprinter(buf, utf8encode(bp->u, buf));
-	}
-	tprinter("\n", 1);
-}
-
-void
-tdump(void)
-{
-	int i;
-
-	for (i = 0; i < term.row; ++i)
-		tdumpline(i);
-}
-
-void
-tputtab(int n)
-{
-	uint x = term.c.x;
-
-	if (n > 0) {
-		while (x < term.col && n--)
-			for (++x; x < term.col && !term.tabs[x]; ++x)
-				/* nothing */ ;
-	} else if (n < 0) {
-		while (x > 0 && n++)
-			for (--x; x > 0 && !term.tabs[x]; --x)
-				/* nothing */ ;
-	}
-	term.c.x = LIMIT(x, 0, term.col-1);
-}
-
-void
-techo(Rune u)
-{
-	if (ISCONTROL(u)) { /* control code */
-		if (u & 0x80) {
-			u &= 0x7f;
-			tputc('^');
-			tputc('[');
-		} else if (u != '\n' && u != '\r' && u != '\t') {
-			u ^= 0x40;
-			tputc('^');
-		}
-	}
-	tputc(u);
-}
-
-void
-tdefutf8(char ascii)
-{
-	if (ascii == 'G')
-		term.mode |= MODE_UTF8;
-	else if (ascii == '@')
-		term.mode &= ~MODE_UTF8;
-}
-
-void
-tdeftran(char ascii)
-{
-	static char cs[] = "0B";
-	static int vcs[] = {CS_GRAPHIC0, CS_USA};
-	char *p;
-
-	if ((p = strchr(cs, ascii)) == NULL) {
-		fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
-	} else {
-		term.trantbl[term.icharset] = vcs[p - cs];
-	}
-}
-
-void
-tdectest(char c)
-{
-	int x, y;
-
-	if (c == '8') { /* DEC screen alignment test. */
-		for (x = 0; x < term.col; ++x) {
-			for (y = 0; y < term.row; ++y)
-				tsetchar('E', &term.c.attr, x, y);
-		}
-	}
-}
-
-void
-tstrsequence(uchar c)
-{
-	strreset();
-
-	switch (c) {
-	case 0x90:   /* DCS -- Device Control String */
-		c = 'P';
-		term.esc |= ESC_DCS;
-		break;
-	case 0x9f:   /* APC -- Application Program Command */
-		c = '_';
-		break;
-	case 0x9e:   /* PM -- Privacy Message */
-		c = '^';
-		break;
-	case 0x9d:   /* OSC -- Operating System Command */
-		c = ']';
-		break;
-	}
-	strescseq.type = c;
-	term.esc |= ESC_STR;
-}
-
-void
-tcontrolcode(uchar ascii)
-{
-	switch (ascii) {
-	case '\t':   /* HT */
-		tputtab(1);
-		return;
-	case '\b':   /* BS */
-		tmoveto(term.c.x-1, term.c.y);
-		return;
-	case '\r':   /* CR */
-		tmoveto(0, term.c.y);
-		return;
-	case '\f':   /* LF */
-	case '\v':   /* VT */
-	case '\n':   /* LF */
-		/* go to first col if the mode is set */
-		tnewline(IS_SET(MODE_CRLF));
-		return;
-	case '\a':   /* BEL */
-		if (term.esc & ESC_STR_END) {
-			/* backwards compatibility to xterm */
-			strhandle();
-		} else {
-			if (!(xw.state & WIN_FOCUSED))
-				xseturgency(1);
-			if (bellvolume)
-				XkbBell(xw.dpy, xw.win, bellvolume, (Atom)NULL);
-		}
-		break;
-	case '\033': /* ESC */
-		csireset();
-		term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
-		term.esc |= ESC_START;
-		return;
-	case '\016': /* SO (LS1 -- Locking shift 1) */
-	case '\017': /* SI (LS0 -- Locking shift 0) */
-		term.charset = 1 - (ascii - '\016');
-		return;
-	case '\032': /* SUB */
-		tsetchar('?', &term.c.attr, term.c.x, term.c.y);
-	case '\030': /* CAN */
-		csireset();
-		break;
-	case '\005': /* ENQ (IGNORED) */
-	case '\000': /* NUL (IGNORED) */
-	case '\021': /* XON (IGNORED) */
-	case '\023': /* XOFF (IGNORED) */
-	case 0177:   /* DEL (IGNORED) */
-		return;
-	case 0x80:   /* TODO: PAD */
-	case 0x81:   /* TODO: HOP */
-	case 0x82:   /* TODO: BPH */
-	case 0x83:   /* TODO: NBH */
-	case 0x84:   /* TODO: IND */
-		break;
-	case 0x85:   /* NEL -- Next line */
-		tnewline(1); /* always go to first col */
-		break;
-	case 0x86:   /* TODO: SSA */
-	case 0x87:   /* TODO: ESA */
-		break;
-	case 0x88:   /* HTS -- Horizontal tab stop */
-		term.tabs[term.c.x] = 1;
-		break;
-	case 0x89:   /* TODO: HTJ */
-	case 0x8a:   /* TODO: VTS */
-	case 0x8b:   /* TODO: PLD */
-	case 0x8c:   /* TODO: PLU */
-	case 0x8d:   /* TODO: RI */
-	case 0x8e:   /* TODO: SS2 */
-	case 0x8f:   /* TODO: SS3 */
-	case 0x91:   /* TODO: PU1 */
-	case 0x92:   /* TODO: PU2 */
-	case 0x93:   /* TODO: STS */
-	case 0x94:   /* TODO: CCH */
-	case 0x95:   /* TODO: MW */
-	case 0x96:   /* TODO: SPA */
-	case 0x97:   /* TODO: EPA */
-	case 0x98:   /* TODO: SOS */
-	case 0x99:   /* TODO: SGCI */
-		break;
-	case 0x9a:   /* DECID -- Identify Terminal */
-		ttywrite(vtiden, sizeof(vtiden) - 1);
-		break;
-	case 0x9b:   /* TODO: CSI */
-	case 0x9c:   /* TODO: ST */
-		break;
-	case 0x90:   /* DCS -- Device Control String */
-	case 0x9d:   /* OSC -- Operating System Command */
-	case 0x9e:   /* PM -- Privacy Message */
-	case 0x9f:   /* APC -- Application Program Command */
-		tstrsequence(ascii);
-		return;
-	}
-	/* only CAN, SUB, \a and C1 chars interrupt a sequence */
-	term.esc &= ~(ESC_STR_END|ESC_STR);
-}
-
-/*
- * returns 1 when the sequence is finished and it hasn't to read
- * more characters for this sequence, otherwise 0
- */
-int
-eschandle(uchar ascii)
-{
-	switch (ascii) {
-	case '[':
-		term.esc |= ESC_CSI;
-		return 0;
-	case '#':
-		term.esc |= ESC_TEST;
-		return 0;
-	case '%':
-		term.esc |= ESC_UTF8;
-		return 0;
-	case 'P': /* DCS -- Device Control String */
-	case '_': /* APC -- Application Program Command */
-	case '^': /* PM -- Privacy Message */
-	case ']': /* OSC -- Operating System Command */
-	case 'k': /* old title set compatibility */
-		tstrsequence(ascii);
-		return 0;
-	case 'n': /* LS2 -- Locking shift 2 */
-	case 'o': /* LS3 -- Locking shift 3 */
-		term.charset = 2 + (ascii - 'n');
-		break;
-	case '(': /* GZD4 -- set primary charset G0 */
-	case ')': /* G1D4 -- set secondary charset G1 */
-	case '*': /* G2D4 -- set tertiary charset G2 */
-	case '+': /* G3D4 -- set quaternary charset G3 */
-		term.icharset = ascii - '(';
-		term.esc |= ESC_ALTCHARSET;
-		return 0;
-	case 'D': /* IND -- Linefeed */
-		if (term.c.y == term.bot) {
-			tscrollup(term.top, 1, 1);
-		} else {
-			tmoveto(term.c.x, term.c.y+1);
-		}
-		break;
-	case 'E': /* NEL -- Next line */
-		tnewline(1); /* always go to first col */
-		break;
-	case 'H': /* HTS -- Horizontal tab stop */
-		term.tabs[term.c.x] = 1;
-		break;
-	case 'M': /* RI -- Reverse index */
-		if (term.c.y == term.top) {
-			tscrolldown(term.top, 1, 1);
-		} else {
-			tmoveto(term.c.x, term.c.y-1);
-		}
-		break;
-	case 'Z': /* DECID -- Identify Terminal */
-		ttywrite(vtiden, sizeof(vtiden) - 1);
-		break;
-	case 'c': /* RIS -- Reset to inital state */
-		treset();
-		xresettitle();
-		xloadcols();
-		break;
-	case '=': /* DECPAM -- Application keypad */
-		term.mode |= MODE_APPKEYPAD;
-		break;
-	case '>': /* DECPNM -- Normal keypad */
-		term.mode &= ~MODE_APPKEYPAD;
-		break;
-	case '7': /* DECSC -- Save Cursor */
-		tcursor(CURSOR_SAVE);
-		break;
-	case '8': /* DECRC -- Restore Cursor */
-		tcursor(CURSOR_LOAD);
-		break;
-	case '\\': /* ST -- String Terminator */
-		if (term.esc & ESC_STR_END)
-			strhandle();
-		break;
-	default:
-		fprintf(stderr, "erresc: unknown sequence ESC 0x%02X '%c'\n",
-			(uchar) ascii, isprint(ascii)? ascii:'.');
-		break;
-	}
-	return 1;
-}
-
-void
-tputc(Rune u)
-{
-	char c[UTF_SIZ];
-	int control;
-	int width, len;
-	Glyph *gp;
-
-	control = ISCONTROL(u);
-	if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
-		c[0] = u;
-		width = len = 1;
-	} else {
-		len = utf8encode(u, c);
-		if (!control && (width = wcwidth(u)) == -1) {
-			memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
-			width = 1;
-		}
-	}
-
-	if (IS_SET(MODE_PRINT))
-		tprinter(c, len);
-
-	/*
-	 * STR sequence must be checked before anything else
-	 * because it uses all following characters until it
-	 * receives a ESC, a SUB, a ST or any other C1 control
-	 * character.
-	 */
-	if (term.esc & ESC_STR) {
-		if (u == '\a' || u == 030 || u == 032 || u == 033 ||
-		   ISCONTROLC1(u)) {
-			term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
-			if (IS_SET(MODE_SIXEL)) {
-				/* TODO: render sixel */;
-				term.mode &= ~MODE_SIXEL;
-				return;
-			}
-			term.esc |= ESC_STR_END;
-			goto check_control_code;
-		}
-
-
-		if (IS_SET(MODE_SIXEL)) {
-			/* TODO: implement sixel mode */
-			return;
-		}
-		if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
-			term.mode |= MODE_SIXEL;
-
-		if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
-			/*
-			 * Here is a bug in terminals. If the user never sends
-			 * some code to stop the str or esc command, then st
-			 * will stop responding. But this is better than
-			 * silently failing with unknown characters. At least
-			 * then users will report back.
-			 *
-			 * In the case users ever get fixed, here is the code:
-			 */
-			/*
-			 * term.esc = 0;
-			 * strhandle();
-			 */
-			return;
-		}
-
-		memmove(&strescseq.buf[strescseq.len], c, len);
-		strescseq.len += len;
-		return;
-	}
-
-check_control_code:
-	/*
-	 * Actions of control codes must be performed as soon they arrive
-	 * because they can be embedded inside a control sequence, and
-	 * they must not cause conflicts with sequences.
-	 */
-	if (control) {
-		tcontrolcode(u);
-		/*
-		 * control codes are not shown ever
-		 */
-		return;
-	} else if (term.esc & ESC_START) {
-		if (term.esc & ESC_CSI) {
-			csiescseq.buf[csiescseq.len++] = u;
-			if (BETWEEN(u, 0x40, 0x7E)
-					|| csiescseq.len >= \
-					sizeof(csiescseq.buf)-1) {
-				term.esc = 0;
-				csiparse();
-				csihandle();
-			}
-			return;
-		} else if (term.esc & ESC_UTF8) {
-			tdefutf8(u);
-		} else if (term.esc & ESC_ALTCHARSET) {
-			tdeftran(u);
-		} else if (term.esc & ESC_TEST) {
-			tdectest(u);
-		} else {
-			if (!eschandle(u))
-				return;
-			/* sequence already finished */
-		}
-		term.esc = 0;
-		/*
-		 * All characters which form part of a sequence are not
-		 * printed
-		 */
-		return;
-	}
-	if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
-		selclear(NULL);
-
-	gp = &term.line[term.c.y][term.c.x];
-	if (IS_SET(MODE_WRAP) && (term.c.state & CURSOR_WRAPNEXT)) {
-		gp->mode |= ATTR_WRAP;
-		tnewline(1);
-		gp = &term.line[term.c.y][term.c.x];
-	}
-
-	if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
-		memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
-
-	if (term.c.x+width > term.col) {
-		tnewline(1);
-		gp = &term.line[term.c.y][term.c.x];
-	}
-
-	tsetchar(u, &term.c.attr, term.c.x, term.c.y);
-
-	if (width == 2) {
-		gp->mode |= ATTR_WIDE;
-		if (term.c.x+1 < term.col) {
-			gp[1].u = '\0';
-			gp[1].mode = ATTR_WDUMMY;
-		}
-	}
-	if (term.c.x+width < term.col) {
-		tmoveto(term.c.x+width, term.c.y);
-	} else {
-		term.c.state |= CURSOR_WRAPNEXT;
-	}
-}
-
-void
-tresize(int col, int row)
-{
-	int i, j;
-	int minrow = MIN(row, term.row);
-	int mincol = MIN(col, term.col);
-	int *bp;
-	TCursor c;
-
-	if (col < 1 || row < 1) {
-		fprintf(stderr,
-		        "tresize: error resizing to %dx%d\n", col, row);
-		return;
-	}
-
-	/*
-	 * slide screen to keep cursor where we expect it -
-	 * tscrollup would work here, but we can optimize to
-	 * memmove because we're freeing the earlier lines
-	 */
-	for (i = 0; i <= term.c.y - row; i++) {
-		free(term.line[i]);
-		free(term.alt[i]);
-	}
-	/* ensure that both src and dst are not NULL */
-	if (i > 0) {
-		memmove(term.line, term.line + i, row * sizeof(Line));
-		memmove(term.alt, term.alt + i, row * sizeof(Line));
-	}
-	for (i += row; i < term.row; i++) {
-		free(term.line[i]);
-		free(term.alt[i]);
-	}
-
-	/* resize to new width */
-	term.specbuf = xrealloc(term.specbuf, col * sizeof(XftGlyphFontSpec));
-
-	/* resize to new height */
-	term.line = xrealloc(term.line, row * sizeof(Line));
-	term.alt  = xrealloc(term.alt,  row * sizeof(Line));
-	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
-	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
-
-	for (i = 0; i < histsize; i++) {
-		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
-		for (j = mincol; j < col; j++) {
-			term.hist[i][j] = term.c.attr;
-			term.hist[i][j].u = ' ';
-		}
-	}
-
-	/* resize each row to new width, zero-pad if needed */
-	for (i = 0; i < minrow; i++) {
-		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
-		term.alt[i]  = xrealloc(term.alt[i],  col * sizeof(Glyph));
-	}
-
-	/* allocate any new rows */
-	for (/* i == minrow */; i < row; i++) {
-		term.line[i] = xmalloc(col * sizeof(Glyph));
-		term.alt[i] = xmalloc(col * sizeof(Glyph));
-	}
-	if (col > term.col) {
-		bp = term.tabs + term.col;
-
-		memset(bp, 0, sizeof(*term.tabs) * (col - term.col));
-		while (--bp > term.tabs && !*bp)
-			/* nothing */ ;
-		for (bp += tabspaces; bp < term.tabs + col; bp += tabspaces)
-			*bp = 1;
-	}
-	/* update terminal size */
-	term.col = col;
-	term.row = row;
-	/* reset scrolling region */
-	tsetscroll(0, row-1);
-	/* make use of the LIMIT in tmoveto */
-	tmoveto(term.c.x, term.c.y);
-	/* Clearing both screens (it makes dirty all lines) */
-	c = term.c;
-	for (i = 0; i < 2; i++) {
-		if (mincol < col && 0 < minrow) {
-			tclearregion(mincol, 0, col - 1, minrow - 1);
-		}
-		if (0 < col && minrow < row) {
-			tclearregion(0, minrow, col - 1, row - 1);
-		}
-		tswapscreen();
-		tcursor(CURSOR_LOAD);
-	}
-	term.c = c;
-}
-
-void
-xresize(int col, int row)
-{
-	xw.tw = MAX(1, col * xw.cw);
-	xw.th = MAX(1, row * xw.ch);
-
-	XFreePixmap(xw.dpy, xw.buf);
-	xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
-			xw.depth);
-	XftDrawChange(xw.draw, xw.buf);
-	xclear(0, 0, xw.w, xw.h);
-}
-
-ushort
-sixd_to_16bit(int x)
-{
-	return x == 0 ? 0 : 0x3737 + 0x2828 * x;
-}
-
-int
-xloadcolor(int i, const char *name, Color *ncolor)
-{
-	XRenderColor color = { .alpha = 0xffff };
-
-	if (!name) {
-		if (BETWEEN(i, 16, 255)) { /* 256 color */
-			if (i < 6*6*6+16) { /* same colors as xterm */
-				color.red   = sixd_to_16bit( ((i-16)/36)%6 );
-				color.green = sixd_to_16bit( ((i-16)/6) %6 );
-				color.blue  = sixd_to_16bit( ((i-16)/1) %6 );
-			} else { /* greyscale */
-				color.red = 0x0808 + 0x0a0a * (i - (6*6*6+16));
-				color.green = color.blue = color.red;
-			}
-			return XftColorAllocValue(xw.dpy, xw.vis,
-			                          xw.cmap, &color, ncolor);
-		} else
-			name = colorname[i];
-	}
-
-	return XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, ncolor);
-}
-
-void
-xloadcols(void)
-{
-	int i;
-	static int loaded;
-	Color *cp;
-
-	if (loaded) {
-		for (cp = dc.col; cp < &dc.col[LEN(dc.col)]; ++cp)
-			XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
-	}
-
-	for (i = 0; i < LEN(dc.col); i++)
-		if (!xloadcolor(i, NULL, &dc.col[i])) {
-			if (colorname[i])
-				die("Could not allocate color '%s'\n", colorname[i]);
-			else
-				die("Could not allocate color %d\n", i);
-		}
-
-	/* set alpha value of bg color */
-	if (USE_ARGB) {
-		dc.col[defaultbg].color.alpha = (0xffff * alpha) / OPAQUE; //0xcccc;
-		dc.col[defaultbg].pixel &= 0x00111111;
-		dc.col[defaultbg].pixel |= alpha << 24; // 0xcc000000;
-	}
-
-	loaded = 1;
-}
-
-int
-xsetcolorname(int x, const char *name)
-{
-	Color ncolor;
-
-	if (!BETWEEN(x, 0, LEN(dc.col)))
-		return 1;
-
-
-	if (!xloadcolor(x, name, &ncolor))
-		return 1;
-
-	XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
-	dc.col[x] = ncolor;
-
-	return 0;
-}
-
-void
-xtermclear(int col1, int row1, int col2, int row2) {
-	XftDrawRect(xw.draw,
-			&dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg],
-			borderpx + col1 * xw.cw,
-			borderpx + row1 * xw.ch,
-			(col2-col1+1) * xw.cw,
-			(row2-row1+1) * xw.ch);
-}
-
-/*
- * Absolute coordinates.
- */
-void
-xclear(int x1, int y1, int x2, int y2)
-{
-	XftDrawRect(xw.draw,
-			&dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
-			x1, y1, x2-x1, y2-y1);
-}
-
-void
-xhints(void)
-{
-	XClassHint class = {opt_name ? opt_name : termname,
-	                    opt_class ? opt_class : termname};
-	XWMHints wm = {.flags = InputHint, .input = 1};
-	XSizeHints *sizeh = NULL;
-
-	sizeh = XAllocSizeHints();
-
-	sizeh->flags = PSize | PResizeInc | PBaseSize;
-	sizeh->height = xw.h;
-	sizeh->width = xw.w;
-	sizeh->height_inc = xw.ch;
-	sizeh->width_inc = xw.cw;
-	sizeh->base_height = 2 * borderpx;
-	sizeh->base_width = 2 * borderpx;
-	if (xw.isfixed) {
-		sizeh->flags |= PMaxSize | PMinSize;
-		sizeh->min_width = sizeh->max_width = xw.w;
-		sizeh->min_height = sizeh->max_height = xw.h;
-	}
-	if (xw.gm & (XValue|YValue)) {
-		sizeh->flags |= USPosition | PWinGravity;
-		sizeh->x = xw.l;
-		sizeh->y = xw.t;
-		sizeh->win_gravity = xgeommasktogravity(xw.gm);
-	}
-
-	XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm,
-			&class);
-	XFree(sizeh);
-}
-
-int
-xgeommasktogravity(int mask)
-{
-	switch (mask & (XNegative|YNegative)) {
-	case 0:
-		return NorthWestGravity;
-	case XNegative:
-		return NorthEastGravity;
-	case YNegative:
-		return SouthWestGravity;
-	}
-
-	return SouthEastGravity;
-}
-
-int
-xloadfont(Font *f, FcPattern *pattern)
-{
-	FcPattern *configured;
-	FcPattern *match;
-	FcResult result;
-	XGlyphInfo extents;
-	int wantattr, haveattr;
-
-	/*
-	 * Manually configure instead of calling XftMatchFont
-	 * so that we can use the configured pattern for
-	 * "missing glyph" lookups.
-	 */
-	configured = FcPatternDuplicate(pattern);
-	if (!configured)
-		return 1;
-
-	FcConfigSubstitute(NULL, configured, FcMatchPattern);
-	XftDefaultSubstitute(xw.dpy, xw.scr, configured);
-
-	match = FcFontMatch(NULL, configured, &result);
-	if (!match) {
-		FcPatternDestroy(configured);
-		return 1;
-	}
-
-	if (!(f->match = XftFontOpenPattern(xw.dpy, match))) {
-		FcPatternDestroy(configured);
-		FcPatternDestroy(match);
-		return 1;
-	}
-
-	if ((XftPatternGetInteger(pattern, "slant", 0, &wantattr) ==
-	    XftResultMatch)) {
-		/*
-		 * Check if xft was unable to find a font with the appropriate
-		 * slant but gave us one anyway. Try to mitigate.
-		 */
-		if ((XftPatternGetInteger(f->match->pattern, "slant", 0,
-		    &haveattr) != XftResultMatch) || haveattr < wantattr) {
-			f->badslant = 1;
-			fputs("st: font slant does not match\n", stderr);
-		}
-	}
-
-	if ((XftPatternGetInteger(pattern, "weight", 0, &wantattr) ==
-	    XftResultMatch)) {
-		if ((XftPatternGetInteger(f->match->pattern, "weight", 0,
-		    &haveattr) != XftResultMatch) || haveattr != wantattr) {
-			f->badweight = 1;
-			fputs("st: font weight does not match\n", stderr);
-		}
-	}
-
-	XftTextExtentsUtf8(xw.dpy, f->match,
-		(const FcChar8 *) ascii_printable,
-		strlen(ascii_printable), &extents);
-
-	f->set = NULL;
-	f->pattern = configured;
-
-	f->ascent = f->match->ascent;
-	f->descent = f->match->descent;
-	f->lbearing = 0;
-	f->rbearing = f->match->max_advance_width;
-
-	f->height = f->ascent + f->descent;
-	f->width = DIVCEIL(extents.xOff, strlen(ascii_printable));
-
-	return 0;
-}
-
-void
-xloadfonts(char *fontstr, double fontsize)
-{
-	FcPattern *pattern;
-	double fontval;
-	float ceilf(float);
-
-	if (fontstr[0] == '-') {
-		pattern = XftXlfdParse(fontstr, False, False);
-	} else {
-		pattern = FcNameParse((FcChar8 *)fontstr);
-	}
-
-	if (!pattern)
-		die("st: can't open font %s\n", fontstr);
-
-	if (fontsize > 1) {
-		FcPatternDel(pattern, FC_PIXEL_SIZE);
-		FcPatternDel(pattern, FC_SIZE);
-		FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
-		usedfontsize = fontsize;
-	} else {
-		if (FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
-				FcResultMatch) {
-			usedfontsize = fontval;
-		} else if (FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval) ==
-				FcResultMatch) {
-			usedfontsize = -1;
-		} else {
-			/*
-			 * Default font size is 12, if none given. This is to
-			 * have a known usedfontsize value.
-			 */
-			FcPatternAddDouble(pattern, FC_PIXEL_SIZE, 12);
-			usedfontsize = 12;
-		}
-		defaultfontsize = usedfontsize;
-	}
-
-	if (xloadfont(&dc.font, pattern))
-		die("st: can't open font %s\n", fontstr);
-
-	if (usedfontsize < 0) {
-		FcPatternGetDouble(dc.font.match->pattern,
-		                   FC_PIXEL_SIZE, 0, &fontval);
-		usedfontsize = fontval;
-		if (fontsize == 0)
-			defaultfontsize = fontval;
-	}
-
-	/* Setting character width and height. */
-	xw.cw = ceilf(dc.font.width * cwscale);
-	xw.ch = ceilf(dc.font.height * chscale);
-
-	FcPatternDel(pattern, FC_SLANT);
-	FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-	if (xloadfont(&dc.ifont, pattern))
-		die("st: can't open font %s\n", fontstr);
-
-	FcPatternDel(pattern, FC_WEIGHT);
-	FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
-	if (xloadfont(&dc.ibfont, pattern))
-		die("st: can't open font %s\n", fontstr);
-
-	FcPatternDel(pattern, FC_SLANT);
-	FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
-	if (xloadfont(&dc.bfont, pattern))
-		die("st: can't open font %s\n", fontstr);
-
-	FcPatternDestroy(pattern);
-}
-
-void
-xunloadfont(Font *f)
-{
-	XftFontClose(xw.dpy, f->match);
-	FcPatternDestroy(f->pattern);
-	if (f->set)
-		FcFontSetDestroy(f->set);
-}
-
-void
-xunloadfonts(void)
-{
-	/* Free the loaded fonts in the font cache.  */
-	while (frclen > 0)
-		XftFontClose(xw.dpy, frc[--frclen].font);
-
-	xunloadfont(&dc.font);
-	xunloadfont(&dc.bfont);
-	xunloadfont(&dc.ifont);
-	xunloadfont(&dc.ibfont);
-}
-
-void
-xzoom(const Arg *arg)
-{
-	Arg larg;
-
-	larg.f = usedfontsize + arg->f;
-	xzoomabs(&larg);
-}
-
-void
-xzoomabs(const Arg *arg)
-{
-	xunloadfonts();
-	xloadfonts(usedfont, arg->f);
-	cresize(0, 0);
-	ttyresize();
-	redraw();
-	xhints();
-}
-
-void
-xzoomreset(const Arg *arg)
-{
-	Arg larg;
-
-	if (defaultfontsize > 0) {
-		larg.f = defaultfontsize;
-		xzoomabs(&larg);
-	}
-}
-
-void
-xinit(void)
-{
-	XGCValues gcvalues;
-	Cursor cursor;
-	Window parent;
-	pid_t thispid = getpid();
-	XColor xmousefg, xmousebg;
-
-	if (!(xw.dpy = XOpenDisplay(NULL)))
-		die("Can't open display\n");
-	xw.scr = XDefaultScreen(xw.dpy);
-	xw.depth = (USE_ARGB) ? 32: XDefaultDepth(xw.dpy, xw.scr);
-	if (! USE_ARGB)
-		xw.vis = XDefaultVisual(xw.dpy, xw.scr);
-	else {
-		XVisualInfo *vis;
-		XRenderPictFormat *fmt;
-		int nvi;
-		int i;
-
-		XVisualInfo tpl = {
-			.screen = xw.scr,
-			.depth = 32,
-			.class = TrueColor
-		};
-
-		vis = XGetVisualInfo(xw.dpy, VisualScreenMask | VisualDepthMask | VisualClassMask, &tpl, &nvi);
-		xw.vis = NULL;
-		for(i = 0; i < nvi; i ++) {
-			fmt = XRenderFindVisualFormat(xw.dpy, vis[i].visual);
-			if (fmt->type == PictTypeDirect && fmt->direct.alphaMask) {
-				xw.vis = vis[i].visual;
-				break;
-			}
-		}
-
-		XFree(vis);
-
-		if (! xw.vis) {
-			fprintf(stderr, "Couldn't find ARGB visual.\n");
-			exit(1);
-		}
-	}
-
-	/* font */
-	if (!FcInit())
-		die("Could not init fontconfig.\n");
-
-	usedfont = (opt_font == NULL)? font : opt_font;
-	xloadfonts(usedfont, 0);
-
-	/* colors */
-	if (! USE_ARGB)
-		xw.cmap = XDefaultColormap(xw.dpy, xw.scr);
-	else
-		xw.cmap = XCreateColormap(xw.dpy, XRootWindow(xw.dpy, xw.scr), xw.vis, None);
-	xloadcols();
-
-	/* adjust fixed window geometry */
-	xw.w = 2 * borderpx + term.col * xw.cw;
-	xw.h = 2 * borderpx + term.row * xw.ch;
-	if (xw.gm & XNegative)
-		xw.l += DisplayWidth(xw.dpy, xw.scr) - xw.w - 2;
-	if (xw.gm & YNegative)
-		xw.t += DisplayHeight(xw.dpy, xw.scr) - xw.h - 2;
-
-	/* Events */
-	xw.attrs.background_pixel = dc.col[defaultbg].pixel;
-	xw.attrs.border_pixel = dc.col[defaultbg].pixel;
-	xw.attrs.bit_gravity = NorthWestGravity;
-	xw.attrs.event_mask = FocusChangeMask | KeyPressMask
-		| ExposureMask | VisibilityChangeMask | StructureNotifyMask
-		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
-	xw.attrs.colormap = xw.cmap;
-
-	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-		parent = XRootWindow(xw.dpy, xw.scr);
-	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
-			xw.w, xw.h, 0, xw.depth, InputOutput,
-			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
-			| CWEventMask | CWColormap, &xw.attrs);
-
-	memset(&gcvalues, 0, sizeof(gcvalues));
-	gcvalues.graphics_exposures = False;
-	xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h, xw.depth);
-	dc.gc = XCreateGC(xw.dpy,
-			(USE_ARGB)? xw.buf: parent,
-			GCGraphicsExposures,
-			&gcvalues);
-	XSetForeground(xw.dpy, dc.gc, dc.col[defaultbg].pixel);
-	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
-	/* Xft rendering context */
-	xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
-
-	/* input methods */
-	if ((xw.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
-		XSetLocaleModifiers("@im=local");
-		if ((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
-			XSetLocaleModifiers("@im=");
-			if ((xw.xim = XOpenIM(xw.dpy,
-					NULL, NULL, NULL)) == NULL) {
-				die("XOpenIM failed. Could not open input"
-					" device.\n");
-			}
-		}
-	}
-	xw.xic = XCreateIC(xw.xim, XNInputStyle, XIMPreeditNothing
-					   | XIMStatusNothing, XNClientWindow, xw.win,
-					   XNFocusWindow, xw.win, NULL);
-	if (xw.xic == NULL)
-		die("XCreateIC failed. Could not obtain input method.\n");
-
-	/* white cursor, black outline */
-	cursor = XCreateFontCursor(xw.dpy, mouseshape);
-	XDefineCursor(xw.dpy, xw.win, cursor);
-
-	if (XParseColor(xw.dpy, xw.cmap, colorname[mousefg], &xmousefg) == 0) {
-		xmousefg.red   = 0xffff;
-		xmousefg.green = 0xffff;
-		xmousefg.blue  = 0xffff;
-	}
-
-	if (XParseColor(xw.dpy, xw.cmap, colorname[mousebg], &xmousebg) == 0) {
-		xmousebg.red   = 0x0000;
-		xmousebg.green = 0x0000;
-		xmousebg.blue  = 0x0000;
-	}
-
-	XRecolorCursor(xw.dpy, cursor, &xmousefg, &xmousebg);
-
-	xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
-	xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
-	xw.netwmname = XInternAtom(xw.dpy, "_NET_WM_NAME", False);
-	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
-
-	xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
-	XChangeProperty(xw.dpy, xw.win, xw.netwmpid, XA_CARDINAL, 32,
-			PropModeReplace, (uchar *)&thispid, 1);
-
-	xresettitle();
-	XMapWindow(xw.dpy, xw.win);
-	xhints();
-	XSync(xw.dpy, False);
-}
-
-int
-xmakeglyphfontspecs(XftGlyphFontSpec *specs, const Glyph *glyphs, int len, int x, int y)
-{
-	float winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch, xp, yp;
-	ushort mode, prevmode = USHRT_MAX;
-	Font *font = &dc.font;
-	int frcflags = FRC_NORMAL;
-	float runewidth = xw.cw;
-	Rune rune;
-	FT_UInt glyphidx;
-	FcResult fcres;
-	FcPattern *fcpattern, *fontpattern;
-	FcFontSet *fcsets[] = { NULL };
-	FcCharSet *fccharset;
-	int i, f, numspecs = 0;
-
-	for (i = 0, xp = winx, yp = winy + font->ascent; i < len; ++i) {
-		/* Fetch rune and mode for current glyph. */
-		rune = glyphs[i].u;
-		mode = glyphs[i].mode;
-
-		/* Skip dummy wide-character spacing. */
-		if (mode == ATTR_WDUMMY)
-			continue;
-
-		/* Determine font for glyph if different from previous glyph. */
-		if (prevmode != mode) {
-			prevmode = mode;
-			font = &dc.font;
-			frcflags = FRC_NORMAL;
-			runewidth = xw.cw * ((mode & ATTR_WIDE) ? 2.0f : 1.0f);
-			if ((mode & ATTR_ITALIC) && (mode & ATTR_BOLD)) {
-				font = &dc.ibfont;
-				frcflags = FRC_ITALICBOLD;
-			} else if (mode & ATTR_ITALIC) {
-				font = &dc.ifont;
-				frcflags = FRC_ITALIC;
-			} else if (mode & ATTR_BOLD) {
-				font = &dc.bfont;
-				frcflags = FRC_BOLD;
-			}
-			yp = winy + font->ascent;
-		}
-
-		/* Lookup character index with default font. */
-		glyphidx = XftCharIndex(xw.dpy, font->match, rune);
-		if (glyphidx) {
-			specs[numspecs].font = font->match;
-			specs[numspecs].glyph = glyphidx;
-			specs[numspecs].x = (short)xp;
-			specs[numspecs].y = (short)yp;
-			xp += runewidth;
-			numspecs++;
-			continue;
-		}
-
-		/* Fallback on font cache, search the font cache for match. */
-		for (f = 0; f < frclen; f++) {
-			glyphidx = XftCharIndex(xw.dpy, frc[f].font, rune);
-			/* Everything correct. */
-			if (glyphidx && frc[f].flags == frcflags)
-				break;
-			/* We got a default font for a not found glyph. */
-			if (!glyphidx && frc[f].flags == frcflags
-					&& frc[f].unicodep == rune) {
-				break;
-			}
-		}
-
-		/* Nothing was found. Use fontconfig to find matching font. */
-		if (f >= frclen) {
-			if (!font->set)
-				font->set = FcFontSort(0, font->pattern,
-				                       1, 0, &fcres);
-			fcsets[0] = font->set;
-
-			/*
-			 * Nothing was found in the cache. Now use
-			 * some dozen of Fontconfig calls to get the
-			 * font for one single character.
-			 *
-			 * Xft and fontconfig are design failures.
-			 */
-			fcpattern = FcPatternDuplicate(font->pattern);
-			fccharset = FcCharSetCreate();
-
-			FcCharSetAddChar(fccharset, rune);
-			FcPatternAddCharSet(fcpattern, FC_CHARSET,
-					fccharset);
-			FcPatternAddBool(fcpattern, FC_SCALABLE, 1);
-
-			FcConfigSubstitute(0, fcpattern,
-					FcMatchPattern);
-			FcDefaultSubstitute(fcpattern);
-
-			fontpattern = FcFontSetMatch(0, fcsets, 1,
-					fcpattern, &fcres);
-
-			/*
-			 * Overwrite or create the new cache entry.
-			 */
-			if (frclen >= LEN(frc)) {
-				frclen = LEN(frc) - 1;
-				XftFontClose(xw.dpy, frc[frclen].font);
-				frc[frclen].unicodep = 0;
-			}
-
-			frc[frclen].font = XftFontOpenPattern(xw.dpy,
-					fontpattern);
-			frc[frclen].flags = frcflags;
-			frc[frclen].unicodep = rune;
-
-			glyphidx = XftCharIndex(xw.dpy, frc[frclen].font, rune);
-
-			f = frclen;
-			frclen++;
-
-			FcPatternDestroy(fcpattern);
-			FcCharSetDestroy(fccharset);
-		}
-
-		specs[numspecs].font = frc[f].font;
-		specs[numspecs].glyph = glyphidx;
-		specs[numspecs].x = (short)xp;
-		specs[numspecs].y = (short)yp;
-		xp += runewidth;
-		numspecs++;
-	}
-
-	return numspecs;
-}
-
-void
-xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, int y)
-{
-	int charlen = len * ((base.mode & ATTR_WIDE) ? 2 : 1);
-	int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
-	    width = charlen * xw.cw;
-	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
-	XRenderColor colfg, colbg;
-	XRectangle r;
-
-	/* Fallback on color display for attributes not supported by the font */
-	if (base.mode & ATTR_ITALIC && base.mode & ATTR_BOLD) {
-		if (dc.ibfont.badslant || dc.ibfont.badweight)
-			base.fg = defaultattr;
-	} else if ((base.mode & ATTR_ITALIC && dc.ifont.badslant) ||
-	    (base.mode & ATTR_BOLD && dc.bfont.badweight)) {
-		base.fg = defaultattr;
-	}
-
-	if (IS_TRUECOL(base.fg)) {
-		colfg.alpha = 0xffff;
-		colfg.red = TRUERED(base.fg);
-		colfg.green = TRUEGREEN(base.fg);
-		colfg.blue = TRUEBLUE(base.fg);
-		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &truefg);
-		fg = &truefg;
-	} else {
-		fg = &dc.col[base.fg];
-	}
-
-	if (IS_TRUECOL(base.bg)) {
-		colbg.alpha = 0xffff;
-		colbg.green = TRUEGREEN(base.bg);
-		colbg.red = TRUERED(base.bg);
-		colbg.blue = TRUEBLUE(base.bg);
-		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &truebg);
-		bg = &truebg;
-	} else {
-		bg = &dc.col[base.bg];
-	}
-
-	/* Change basic system colors [0-7] to bright system colors [8-15] */
-	if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
-		fg = &dc.col[base.fg + 8];
-
-	if (IS_SET(MODE_REVERSE)) {
-		if (fg == &dc.col[defaultfg]) {
-			fg = &dc.col[defaultbg];
-		} else {
-			colfg.red = ~fg->color.red;
-			colfg.green = ~fg->color.green;
-			colfg.blue = ~fg->color.blue;
-			colfg.alpha = fg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
-					&revfg);
-			fg = &revfg;
-		}
-
-		if (bg == &dc.col[defaultbg]) {
-			bg = &dc.col[defaultfg];
-		} else {
-			colbg.red = ~bg->color.red;
-			colbg.green = ~bg->color.green;
-			colbg.blue = ~bg->color.blue;
-			colbg.alpha = bg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
-					&revbg);
-			bg = &revbg;
-		}
-	}
-
-	if (base.mode & ATTR_REVERSE) {
-		temp = fg;
-		fg = bg;
-		bg = temp;
-	}
-
-	if ((base.mode & ATTR_BOLD_FAINT) == ATTR_FAINT) {
-		colfg.red = fg->color.red / 2;
-		colfg.green = fg->color.green / 2;
-		colfg.blue = fg->color.blue / 2;
-		XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
-		fg = &revfg;
-	}
-
-	if (base.mode & ATTR_BLINK && term.mode & MODE_BLINK)
-		fg = bg;
-
-	if (base.mode & ATTR_INVISIBLE)
-		fg = bg;
-
-	/* Intelligent cleaning up of the borders. */
-	if (x == 0) {
-		xclear(0, (y == 0)? 0 : winy, borderpx,
-			winy + xw.ch + ((y >= term.row-1)? xw.h : 0));
-	}
-	if (x + charlen >= term.col) {
-		xclear(winx + width, (y == 0)? 0 : winy, xw.w,
-			((y >= term.row-1)? xw.h : (winy + xw.ch)));
-	}
-	if (y == 0)
-		xclear(winx, 0, winx + width, borderpx);
-	if (y == term.row-1)
-		xclear(winx, winy + xw.ch, winx + width, xw.h);
-
-	/* Clean up the region we want to draw to. */
-	XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
-
-	/* Set the clip region because Xft is sometimes dirty. */
-	r.x = 0;
-	r.y = 0;
-	r.height = xw.ch;
-	r.width = width;
-	XftDrawSetClipRectangles(xw.draw, winx, winy, &r, 1);
-
-	/* Render the glyphs. */
-	XftDrawGlyphFontSpec(xw.draw, fg, specs, len);
-
-	/* Render underline and strikethrough. */
-	if (base.mode & ATTR_UNDERLINE) {
-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
-				width, 1);
-	}
-
-	if (base.mode & ATTR_STRUCK) {
-		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
-				width, 1);
-	}
-
-	/* Reset clip to none. */
-	XftDrawSetClip(xw.draw, 0);
-}
-
-void
-xdrawglyph(Glyph g, int x, int y)
-{
-	int numspecs;
-	XftGlyphFontSpec spec;
-
-	numspecs = xmakeglyphfontspecs(&spec, &g, 1, x, y);
-	xdrawglyphfontspecs(&spec, g, numspecs, x, y);
-}
-
-void
-xdrawcursor(void)
-{
-	static int oldx = 0, oldy = 0;
-	int curx;
-	Glyph g = {' ', ATTR_NULL, defaultbg, defaultcs}, og;
-	int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-	Color drawcol;
-
-	LIMIT(oldx, 0, term.col-1);
-	LIMIT(oldy, 0, term.row-1);
-
-	curx = term.c.x;
-
-	/* adjust position if in dummy */
-	if (term.line[oldy][oldx].mode & ATTR_WDUMMY)
-		oldx--;
-	if (term.line[term.c.y][curx].mode & ATTR_WDUMMY)
-		curx--;
-
-	/* remove the old cursor */
-	og = term.line[oldy][oldx];
-	if (ena_sel && selected(oldx, oldy))
-		og.mode ^= ATTR_REVERSE;
-	xdrawglyph(og, oldx, oldy);
-
-	g.u = term.line[term.c.y][term.c.x].u;
-
-	/*
-	 * Select the right color for the right mode.
-	 */
-	if (IS_SET(MODE_REVERSE)) {
-		g.mode |= ATTR_REVERSE;
-		g.bg = defaultfg;
-		if (ena_sel && selected(term.c.x, term.c.y)) {
-			drawcol = dc.col[defaultcs];
-			g.fg = defaultrcs;
-		} else {
-			drawcol = dc.col[defaultrcs];
-			g.fg = defaultcs;
-		}
-	} else {
-		if (ena_sel && selected(term.c.x, term.c.y)) {
-			drawcol = dc.col[defaultrcs];
-			g.fg = defaultfg;
-			g.bg = defaultrcs;
-		} else {
-			drawcol = dc.col[defaultcs];
-		}
-	}
-
-	if (IS_SET(MODE_HIDE))
-		return;
-
-	/* draw the new one */
-	if (xw.state & WIN_FOCUSED) {
-		switch (xw.cursor) {
-		case 7: /* st extension: snowman */
-			utf8decode("☃", &g.u, UTF_SIZ);
-		case 0: /* Blinking Block */
-		case 1: /* Blinking Block (Default) */
-		case 2: /* Steady Block */
-			g.mode |= term.line[term.c.y][curx].mode & ATTR_WIDE;
-			xdrawglyph(g, term.c.x, term.c.y);
-			break;
-		case 3: /* Blinking Underline */
-		case 4: /* Steady Underline */
-			XftDrawRect(xw.draw, &drawcol,
-					borderpx + curx * xw.cw,
-					borderpx + (term.c.y + 1) * xw.ch - \
-						cursorthickness,
-					xw.cw, cursorthickness);
-			break;
-		case 5: /* Blinking bar */
-		case 6: /* Steady bar */
-			XftDrawRect(xw.draw, &drawcol,
-					borderpx + curx * xw.cw,
-					borderpx + term.c.y * xw.ch,
-					cursorthickness, xw.ch);
-			break;
-		}
-	} else {
-		XftDrawRect(xw.draw, &drawcol,
-				borderpx + curx * xw.cw,
-				borderpx + term.c.y * xw.ch,
-				xw.cw - 1, 1);
-		XftDrawRect(xw.draw, &drawcol,
-				borderpx + curx * xw.cw,
-				borderpx + term.c.y * xw.ch,
-				1, xw.ch - 1);
-		XftDrawRect(xw.draw, &drawcol,
-				borderpx + (curx + 1) * xw.cw - 1,
-				borderpx + term.c.y * xw.ch,
-				1, xw.ch - 1);
-		XftDrawRect(xw.draw, &drawcol,
-				borderpx + curx * xw.cw,
-				borderpx + (term.c.y + 1) * xw.ch - 1,
-				xw.cw, 1);
-	}
-	oldx = curx, oldy = term.c.y;
-}
-
-
-void
-xsettitle(char *p)
-{
-	XTextProperty prop;
-
-	Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
-			&prop);
-	XSetWMName(xw.dpy, xw.win, &prop);
-	XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
-	XFree(prop.value);
-}
-
-void
-xresettitle(void)
-{
-	xsettitle(opt_title ? opt_title : "st");
-}
-
-void
-redraw(void)
-{
-	tfulldirt();
-	draw();
-}
-
-void
-draw(void)
-{
-	drawregion(0, 0, term.col, term.row);
-	XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, xw.w,
-			xw.h, 0, 0);
-	XSetForeground(xw.dpy, dc.gc,
-			dc.col[IS_SET(MODE_REVERSE)?
-				defaultfg : defaultbg].pixel);
-}
-
-void
-drawregion(int x1, int y1, int x2, int y2)
-{
-	int i, x, y, ox, numspecs;
-	Glyph base, new;
-	XftGlyphFontSpec *specs;
-	int ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
-
-	if (!(xw.state & WIN_VISIBLE))
-		return;
-
-	for (y = y1; y < y2; y++) {
-		if (!term.dirty[y])
-			continue;
-
-		term.dirty[y] = 0;
-
-		specs = term.specbuf;
-		numspecs = xmakeglyphfontspecs(specs, &TLINE(y)[x1], x2 - x1, x1, y);
-
-		i = ox = 0;
-		for (x = x1; x < x2 && i < numspecs; x++) {
-			new = TLINE(y)[x];
-			if (new.mode == ATTR_WDUMMY)
-				continue;
-			if (ena_sel && selected(x, y))
-				new.mode ^= ATTR_REVERSE;
-			if (i > 0 && ATTRCMP(base, new)) {
-				xdrawglyphfontspecs(specs, base, i, ox, y);
-				specs += i;
-				numspecs -= i;
-				i = 0;
-			}
-			if (i == 0) {
-				ox = x;
-				base = new;
-			}
-			i++;
-		}
-		if (i > 0)
-			xdrawglyphfontspecs(specs, base, i, ox, y);
-	}
-
-	if (term.scr == 0)
-		xdrawcursor();
-}
-
-void
-expose(XEvent *ev)
-{
-	redraw();
-}
-
-void
-visibility(XEvent *ev)
-{
-	XVisibilityEvent *e = &ev->xvisibility;
-
-	MODBIT(xw.state, e->state != VisibilityFullyObscured, WIN_VISIBLE);
-}
-
-void
-unmap(XEvent *ev)
-{
-	xw.state &= ~WIN_VISIBLE;
-}
-
-void
-xsetpointermotion(int set)
-{
-	MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
-	XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
-}
-
-void
-xseturgency(int add)
-{
-	XWMHints *h = XGetWMHints(xw.dpy, xw.win);
-
-	MODBIT(h->flags, add, XUrgencyHint);
-	XSetWMHints(xw.dpy, xw.win, h);
-	XFree(h);
-}
-
-void
-focus(XEvent *ev)
-{
-	XFocusChangeEvent *e = &ev->xfocus;
-
-	if (e->mode == NotifyGrab)
-		return;
-
-	if (ev->type == FocusIn) {
-		XSetICFocus(xw.xic);
-		xw.state |= WIN_FOCUSED;
-		xseturgency(0);
-		if (IS_SET(MODE_FOCUS))
-			ttywrite("\033[I", 3);
-	} else {
-		XUnsetICFocus(xw.xic);
-		xw.state &= ~WIN_FOCUSED;
-		if (IS_SET(MODE_FOCUS))
-			ttywrite("\033[O", 3);
-	}
-}
-
-int
-match(uint mask, uint state)
-{
-	return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
-}
-
-void
-numlock(const Arg *dummy)
-{
-	term.numlock ^= 1;
-}
-
-char*
-kmap(KeySym k, uint state)
-{
-	Key *kp;
-	int i;
-
-	/* Check for mapped keys out of X11 function keys. */
-	for (i = 0; i < LEN(mappedkeys); i++) {
-		if (mappedkeys[i] == k)
-			break;
-	}
-	if (i == LEN(mappedkeys)) {
-		if ((k & 0xFFFF) < 0xFD00)
-			return NULL;
-	}
-
-	for (kp = key; kp < key + LEN(key); kp++) {
-		if (kp->k != k)
-			continue;
-
-		if (!match(kp->mask, state))
-			continue;
-
-		if (IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
-			continue;
-		if (term.numlock && kp->appkey == 2)
-			continue;
-
-		if (IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
-			continue;
-
-		if (IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
-			continue;
-
-		return kp->s;
-	}
-
-	return NULL;
-}
-
-void
-kpress(XEvent *ev)
-{
-	XKeyEvent *e = &ev->xkey;
-	KeySym ksym;
-	char buf[32], *customkey;
-	int len;
-	Rune c;
-	Status status;
-	Shortcut *bp;
-
-	if (IS_SET(MODE_KBDLOCK))
-		return;
-
-	len = XmbLookupString(xw.xic, e, buf, sizeof buf, &ksym, &status);
-	/* 1. shortcuts */
-	for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
-		if (ksym == bp->keysym && match(bp->mod, e->state)) {
-			bp->func(&(bp->arg));
-			return;
-		}
-	}
-
-	/* 2. custom keys from config.h */
-	if ((customkey = kmap(ksym, e->state))) {
-		ttysend(customkey, strlen(customkey));
-		return;
-	}
-
-	/* 3. composed string from input method */
-	if (len == 0)
-		return;
-	if (len == 1 && e->state & Mod1Mask) {
-		if (IS_SET(MODE_8BIT)) {
-			if (*buf < 0177) {
-				c = *buf | 0x80;
-				len = utf8encode(c, buf);
-			}
-		} else {
-			buf[1] = buf[0];
-			buf[0] = '\033';
-			len = 2;
-		}
-	}
-	ttysend(buf, len);
-}
-
-
-void
-cmessage(XEvent *e)
-{
-	/*
-	 * See xembed specs
-	 *  http://standards.freedesktop.org/xembed-spec/xembed-spec-latest.html
-	 */
-	if (e->xclient.message_type == xw.xembed && e->xclient.format == 32) {
-		if (e->xclient.data.l[1] == XEMBED_FOCUS_IN) {
-			xw.state |= WIN_FOCUSED;
-			xseturgency(0);
-		} else if (e->xclient.data.l[1] == XEMBED_FOCUS_OUT) {
-			xw.state &= ~WIN_FOCUSED;
-		}
-	} else if (e->xclient.data.l[0] == xw.wmdeletewin) {
-		/* Send SIGHUP to shell */
-		kill(pid, SIGHUP);
-		exit(0);
-	}
-}
-
-void
-cresize(int width, int height)
-{
-	int col, row;
-
-	if (width != 0)
-		xw.w = width;
-	if (height != 0)
-		xw.h = height;
-
-	col = (xw.w - 2 * borderpx) / xw.cw;
-	row = (xw.h - 2 * borderpx) / xw.ch;
-
-	tresize(col, row);
-	xresize(col, row);
-}
-
-void
-resize(XEvent *e)
-{
-	if (e->xconfigure.width == xw.w && e->xconfigure.height == xw.h)
-		return;
-
-	cresize(e->xconfigure.width, e->xconfigure.height);
-	ttyresize();
-}
-
-void
-run(void)
-{
-	XEvent ev;
-	int w = xw.w, h = xw.h;
-	fd_set rfd;
-	int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
-	struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
-	long deltatime;
-
-	/* Waiting for window mapping */
-	do {
-		XNextEvent(xw.dpy, &ev);
-		/*
-		 * This XFilterEvent call is required because of XOpenIM. It
-		 * does filter out the key event and some client message for
-		 * the input method too.
-		 */
-		if (XFilterEvent(&ev, None))
-			continue;
-		if (ev.type == ConfigureNotify) {
-			w = ev.xconfigure.width;
-			h = ev.xconfigure.height;
-		}
-	} while (ev.type != MapNotify);
-
-	cresize(w, h);
-	ttynew();
-	ttyresize();
-
-	clock_gettime(CLOCK_MONOTONIC, &last);
-	lastblink = last;
-
-	for (xev = actionfps;;) {
-		FD_ZERO(&rfd);
-		FD_SET(cmdfd, &rfd);
-		FD_SET(xfd, &rfd);
-
-		if (pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
-			if (errno == EINTR)
-				continue;
-			die("select failed: %s\n", strerror(errno));
-		}
-		if (FD_ISSET(cmdfd, &rfd)) {
-			ttyread();
-			if (blinktimeout) {
-				blinkset = tattrset(ATTR_BLINK);
-				if (!blinkset)
-					MODBIT(term.mode, 0, MODE_BLINK);
-			}
-		}
-
-		if (FD_ISSET(xfd, &rfd))
-			xev = actionfps;
-
-		clock_gettime(CLOCK_MONOTONIC, &now);
-		drawtimeout.tv_sec = 0;
-		drawtimeout.tv_nsec =  (1000 * 1E6)/ xfps;
-		tv = &drawtimeout;
-
-		dodraw = 0;
-		if (blinktimeout && TIMEDIFF(now, lastblink) > blinktimeout) {
-			tsetdirtattr(ATTR_BLINK);
-			term.mode ^= MODE_BLINK;
-			lastblink = now;
-			dodraw = 1;
-		}
-		deltatime = TIMEDIFF(now, last);
-		if (deltatime > 1000 / (xev ? xfps : actionfps)) {
-			dodraw = 1;
-			last = now;
-		}
-
-		if (dodraw) {
-			while (XPending(xw.dpy)) {
-				XNextEvent(xw.dpy, &ev);
-				if (XFilterEvent(&ev, None))
-					continue;
-				if (handler[ev.type])
-					(handler[ev.type])(&ev);
-			}
-
-			draw();
-			XFlush(xw.dpy);
-
-			if (xev && !FD_ISSET(xfd, &rfd))
-				xev--;
-			if (!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd)) {
-				if (blinkset) {
-					if (TIMEDIFF(now, lastblink) \
-							> blinktimeout) {
-						drawtimeout.tv_nsec = 1000;
-					} else {
-						drawtimeout.tv_nsec = (1E6 * \
-							(blinktimeout - \
-							TIMEDIFF(now,
-								lastblink)));
-					}
-					drawtimeout.tv_sec = \
-					    drawtimeout.tv_nsec / 1E9;
-					drawtimeout.tv_nsec %= (long)1E9;
-				} else {
-					tv = NULL;
-				}
-			}
-		}
-	}
-}
-
-void
-usage(void)
-{
-	die("usage: %s [-aiv] [-c class] [-f font] [-g geometry]"
-	    " [-n name] [-o file]\n"
-	    "          [-T title] [-t title] [-w windowid]"
-	    " [[-e] command [args ...]]\n"
-	    "       %s [-aiv] [-c class] [-f font] [-g geometry]"
-	    " [-n name] [-o file]\n"
-	    "          [-T title] [-t title] [-w windowid] -l line"
-	    " [stty_args ...]\n", argv0, argv0);
-}
-
-int
-main(int argc, char *argv[])
-{
-	xw.l = xw.t = 0;
-	xw.isfixed = False;
-	xw.cursor = cursorshape;
-
-	ARGBEGIN {
-	case 'a':
-		allowaltscreen = 0;
-		break;
-	case 'c':
-		opt_class = EARGF(usage());
-		break;
-	case 'e':
-		if (argc > 0)
-			--argc, ++argv;
-		goto run;
-	case 'f':
-		opt_font = EARGF(usage());
-		break;
-	case 'g':
-		xw.gm = XParseGeometry(EARGF(usage()),
-				&xw.l, &xw.t, &cols, &rows);
-		break;
-	case 'i':
-		xw.isfixed = 1;
-		break;
-	case 'o':
-		opt_io = EARGF(usage());
-		break;
-	case 'l':
-		opt_line = EARGF(usage());
-		break;
-	case 'n':
-		opt_name = EARGF(usage());
-		break;
-	case 't':
-	case 'T':
-		opt_title = EARGF(usage());
-		break;
-	case 'w':
-		opt_embed = EARGF(usage());
-		break;
-	case 'v':
-		die("%s " VERSION " (c) 2010-2016 st engineers\n", argv0);
-		break;
-	default:
-		usage();
-	} ARGEND;
-
-run:
-	if (argc > 0) {
-		/* eat all remaining arguments */
-		opt_cmd = argv;
-		if (!opt_title && !opt_line)
-			opt_title = basename(xstrdup(argv[0]));
-	}
-	setlocale(LC_CTYPE, "");
-	XSetLocaleModifiers("");
-	tnew(MAX(cols, 1), MAX(rows, 1));
-	xinit();
-	selinit();
-	run();
-
-	return 0;
-}
-
-- 
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