X-Git-Url: https://git.xinqibao.xyz/st.git/blobdiff_plain/55adf0aad1d5acf0b9a00e2a9f834cef8b61b3b3..6530025bcaf3a65083667a93ae50035bd7137bae:/st.c?ds=sidebyside

diff --git a/st.c b/st.c
index 0923cec..d8ff30b 100644
--- a/st.c
+++ b/st.c
@@ -11,6 +11,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <signal.h>
+#include <stdint.h>
 #include <sys/ioctl.h>
 #include <sys/select.h>
 #include <sys/stat.h>
@@ -19,6 +20,7 @@
 #include <sys/wait.h>
 #include <time.h>
 #include <unistd.h>
+#include <libgen.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
@@ -26,12 +28,14 @@
 #include <X11/keysym.h>
 #include <X11/Xft/Xft.h>
 #include <fontconfig/fontconfig.h>
+#include <wchar.h>
+
+#include "arg.h"
+
+char *argv0;
 
 #define Glyph Glyph_
 #define Font Font_
-#define Draw XftDraw *
-#define Colour XftColor
-#define Colourmap Colormap
 
 #if   defined(__linux)
  #include <pty.h>
@@ -41,16 +45,13 @@
  #include <libutil.h>
 #endif
 
-#define USAGE \
-	"st " VERSION " (c) 2010-2013 st engineers\n" \
-	"usage: st [-v] [-c class] [-f font] [-g geometry] [-o file]" \
-	" [-t title] [-w windowid] [-e command ...]\n"
 
 /* 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
@@ -64,27 +65,42 @@
 #define REDRAW_TIMEOUT (80*1000) /* 80 ms */
 
 /* macros */
-#define SERRNO strerror(errno)
 #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 LEN(a)     (sizeof(a) / sizeof(a)[0])
 #define DEFAULT(a, b)     (a) = (a) ? (a) : (b)
 #define BETWEEN(x, a, b)  ((a) <= (x) && (x) <= (b))
+#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f))
+#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
+#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
 #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_usec-t2.tv_usec)/1000)
+#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 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 VT102ID "\033[?6c"
 
 enum glyph_attribute {
 	ATTR_NULL      = 0,
-	ATTR_REVERSE   = 1,
-	ATTR_UNDERLINE = 2,
-	ATTR_BOLD      = 4,
-	ATTR_GFX       = 8,
-	ATTR_ITALIC    = 16,
-	ATTR_BLINK     = 32,
+	ATTR_BOLD      = 1,
+	ATTR_FAINT     = 2,
+	ATTR_ITALIC    = 4,
+	ATTR_UNDERLINE = 8,
+	ATTR_BLINK     = 16,
+	ATTR_REVERSE   = 32,
+	ATTR_INVISIBLE = 64,
+	ATTR_STRUCK    = 128,
+	ATTR_WRAP      = 256,
+	ATTR_WIDE      = 512,
+	ATTR_WDUMMY    = 1024,
 };
 
 enum cursor_movement {
@@ -95,35 +111,49 @@ enum cursor_movement {
 enum cursor_state {
 	CURSOR_DEFAULT  = 0,
 	CURSOR_WRAPNEXT = 1,
-	CURSOR_ORIGIN	= 2
-};
-
-enum glyph_state {
-	GLYPH_SET   = 1,
-	GLYPH_DIRTY = 2
+	CURSOR_ORIGIN   = 2
 };
 
 enum term_mode {
-	MODE_WRAP	 = 1,
+	MODE_WRAP        = 1,
 	MODE_INSERT      = 2,
 	MODE_APPKEYPAD   = 4,
 	MODE_ALTSCREEN   = 8,
-	MODE_CRLF	 = 16,
+	MODE_CRLF        = 16,
 	MODE_MOUSEBTN    = 32,
 	MODE_MOUSEMOTION = 64,
-	MODE_MOUSE       = 32|64,
 	MODE_REVERSE     = 128,
 	MODE_KBDLOCK     = 256,
-	MODE_HIDE	 = 512,
-	MODE_ECHO	 = 1024,
-	MODE_APPCURSOR	 = 2048,
+	MODE_HIDE        = 512,
+	MODE_ECHO        = 1024,
+	MODE_APPCURSOR   = 2048,
 	MODE_MOUSESGR    = 4096,
+	MODE_8BIT        = 8192,
+	MODE_BLINK       = 16384,
+	MODE_FBLINK      = 32768,
+	MODE_FOCUS       = 65536,
+	MODE_MOUSEX10    = 131072,
+	MODE_MOUSEMANY   = 262144,
+	MODE_BRCKTPASTE  = 524288,
+	MODE_PRINT       = 1048576,
+	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, /* DSC, OSC, PM, APC */
+	ESC_CSI        = 2,
+	ESC_STR        = 4,  /* DCS, OSC, PM, APC */
 	ESC_ALTCHARSET = 8,
 	ESC_STR_END    = 16, /* a final string was encountered */
 	ESC_TEST       = 32, /* Enter in test mode */
@@ -140,27 +170,30 @@ enum selection_type {
 	SEL_RECTANGULAR = 2
 };
 
-/* bit macro */
-#undef B0
-enum { B0=1, B1=2, B2=4, B3=8, B4=16, B5=32, B6=64, B7=128 };
+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 XftDraw *Draw;
+typedef XftColor Color;
+
 typedef struct {
-	char c[UTF_SIZ];     /* character code */
-	uchar mode;  /* attribute flags */
-	ushort fg;   /* foreground  */
-	ushort bg;   /* background  */
-	uchar state; /* state flags    */
+	char c[UTF_SIZ]; /* 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 */
+	Glyph attr; /* current char attributes */
 	int x;
 	int y;
 	char state;
@@ -170,53 +203,58 @@ typedef struct {
 /* ESC '[' [[ [<priv>] <arg> [;]] <mode>] */
 typedef struct {
 	char buf[ESC_BUF_SIZ]; /* raw string */
-	int len;	       /* raw string length */
+	int len;               /* raw string length */
 	char priv;
 	int arg[ESC_ARG_SIZ];
-	int narg;	       /* nb of args */
+	int narg;              /* nb of args */
 	char mode;
 } CSIEscape;
 
 /* STR Escape sequence structs */
 /* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
 typedef struct {
-	char type;	     /* ESC type ... */
+	char type;             /* ESC type ... */
 	char buf[STR_BUF_SIZ]; /* raw string */
-	int len;	       /* raw string length */
+	int len;               /* raw string length */
 	char *args[STR_ARG_SIZ];
-	int narg;	      /* nb of args */
+	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 */
-	bool *dirty;	/* dirtyness of lines */
-	TCursor c;	/* cursor */
-	int top;	/* top    scroll limit */
-	int bot;	/* bottom scroll limit */
-	int mode;	/* terminal mode flags */
-	int esc;	/* escape state flags */
-	bool numlock;	/* lock numbers in keyboard */
+	int row;      /* nb row */
+	int col;      /* nb col */
+	Line *line;   /* screen */
+	Line *alt;    /* alternate screen */
+	bool *dirty;  /* dirtyness of lines */
+	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 */
+	bool numlock; /* lock numbers in keyboard */
 	bool *tabs;
 } Term;
 
 /* Purely graphic info */
 typedef struct {
 	Display *dpy;
-	Colourmap cmap;
+	Colormap cmap;
 	Window win;
 	Drawable buf;
-	Atom xembed, wmdeletewin;
+	Atom xembed, wmdeletewin, netwmname, netwmpid;
 	XIM xim;
 	XIC xic;
 	Draw draw;
 	Visual *vis;
+	XSetWindowAttributes attrs;
 	int scr;
 	bool isfixed; /* is fixed geometry? */
-	int fx, fy, fw, fh; /* 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 */
@@ -224,41 +262,53 @@ typedef struct {
 	char state; /* focus, redraw, visible */
 } XWindow;
 
+typedef struct {
+	uint b;
+	uint mask;
+	char *s;
+} Mousekey;
+
 typedef struct {
 	KeySym k;
 	uint mask;
-	char s[ESC_BUF_SIZ];
+	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          */
+	signed char appkey;    /* application keypad */
+	signed char appcursor; /* application cursor */
+	signed char crlf;      /* crlf mode          */
 } Key;
 
-/* TODO: use better name for vars... */
 typedef struct {
 	int mode;
 	int type;
-	int bx, by;
-	int ex, ey;
+	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;
-	} b, e;
+	} nb, ne, ob, oe;
+
 	char *clip;
 	Atom xtarget;
 	bool alt;
-	struct timeval tclick1;
-	struct timeval tclick2;
+	struct timespec tclick1;
+	struct timespec tclick2;
 } Selection;
 
 typedef union {
 	int i;
-	unsigned int ui;
+	uint ui;
 	float f;
 	const void *v;
 } Arg;
 
 typedef struct {
-	unsigned int mod;
+	uint mod;
 	KeySym keysym;
 	void (*func)(const Arg *);
 	const Arg arg;
@@ -269,6 +319,9 @@ static void clippaste(const Arg *);
 static void numlock(const Arg *);
 static void selpaste(const Arg *);
 static void xzoom(const Arg *);
+static void printsel(const Arg *);
+static void printscreen(const Arg *) ;
+static void toggleprinter(const Arg *);
 
 /* Config.h for applying patches and the configuration. */
 #include "config.h"
@@ -288,7 +341,7 @@ typedef struct {
 
 /* Drawing Context */
 typedef struct {
-	Colour col[LEN(colorname) < 256 ? 256 : LEN(colorname)];
+	Color col[MAX(LEN(colorname), 256)];
 	Font font, bfont, ifont, ibfont;
 	GC gc;
 } DC;
@@ -310,36 +363,48 @@ static void strhandle(void);
 static void strparse(void);
 static void strreset(void);
 
-static void tclearregion(int, int, int, int, int);
+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 x, int y);
+static void tmoveato(int, int);
 static void tnew(int, int);
 static void tnewline(int);
-static void tputtab(bool);
+static void tputtab(int);
 static void tputc(char *, int);
 static void treset(void);
-static int tresize(int, int);
+static void tresize(int, int);
 static void tscrollup(int, int);
 static void tscrolldown(int, int);
-static void tsetattr(int*, int);
+static void tsetattr(int *, int);
 static void tsetchar(char *, Glyph *, int, int);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
 static void tsetdirt(int, int);
+static void tsetdirtattr(int);
 static void tsetmode(bool, bool, int *, int);
 static void tfulldirt(void);
 static void techo(char *, int);
-
+static void tcontrolcode(uchar );
+static void tdectest(char );
+static int32_t tdefcolor(int *, int *, int);
+static void tdeftran(char);
 static inline bool match(uint, uint);
 static void ttynew(void);
 static void ttyread(void);
 static void ttyresize(void);
+static void ttysend(char *, size_t);
 static void ttywrite(const char *, size_t);
+static void tstrsequence(uchar c);
 
 static void xdraws(char *, Glyph, int, int, int, int);
 static void xhints(void);
@@ -348,13 +413,17 @@ 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 *, int);
+static void xloadfonts(char *, double);
+static int xloadfontset(Font *);
 static void xsettitle(char *);
 static void xresettitle(void);
+static void xsetpointermotion(int);
 static void xseturgency(int);
-static void xsetsel(char*);
+static void xsetsel(char *);
 static void xtermclear(int, int, int, int);
+static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xresize(int, int);
 
@@ -375,19 +444,28 @@ static void selclear(XEvent *);
 static void selrequest(XEvent *);
 
 static void selinit(void);
+static void selnormalize(void);
 static inline bool selected(int, int);
+static char *getsel(void);
 static void selcopy(void);
 static void selscroll(int, int);
-
-static int utf8decode(char *, long *);
-static int utf8encode(long *, char *);
-static int utf8size(char *);
-static int isfullutf8(char *, int);
-
-static ssize_t xwrite(int, char *, size_t);
+static void selsnap(int, int *, int *, int);
+static void getbuttoninfo(XEvent *);
+static void mousereport(XEvent *);
+
+static size_t utf8decode(char *, long *, size_t);
+static long utf8decodebyte(char, size_t *);
+static size_t utf8encode(long, char *, size_t);
+static char utf8encodebyte(long, size_t);
+static size_t utf8len(char *);
+static size_t utf8validate(long *, size_t);
+
+static ssize_t xwrite(int, const char *, size_t);
 static void *xmalloc(size_t);
 static void *xrealloc(void *, size_t);
-static void *xcalloc(size_t, size_t);
+static char *xstrdup(char *);
+
+static void usage(void);
 
 static void (*handler[LASTEvent])(XEvent *) = {
 	[KeyPress] = kpress,
@@ -415,16 +493,22 @@ static STREscape strescseq;
 static int cmdfd;
 static pid_t pid;
 static Selection sel;
-static int iofd = -1;
+static int iofd = STDOUT_FILENO;
 static char **opt_cmd = NULL;
 static char *opt_io = NULL;
 static char *opt_title = NULL;
 static char *opt_embed = NULL;
 static char *opt_class = NULL;
 static char *opt_font = NULL;
+static int oldbutton = 3; /* button event on startup: 3 = release */
 
 static char *usedfont = NULL;
-static int usedfontsize = 0;
+static double usedfontsize = 0;
+
+static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
+static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+static long utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
+static long utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
 
 /* Font Ring Cache */
 enum {
@@ -436,20 +520,15 @@ enum {
 
 typedef struct {
 	XftFont *font;
-	long c;
 	int flags;
 } Fontcache;
 
-/*
- * Fontcache is a ring buffer, with frccur as current position and frclen as
- * the current length of used elements.
- */
-
-static Fontcache frc[1024];
-static int frccur = -1, frclen = 0;
+/* 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, char *s, size_t len) {
+xwrite(int fd, const char *s, size_t len) {
 	size_t aux = len;
 
 	while(len > 0) {
@@ -480,146 +559,85 @@ xrealloc(void *p, size_t len) {
 	return p;
 }
 
-void *
-xcalloc(size_t nmemb, size_t size) {
-	void *p = calloc(nmemb, size);
-
-	if(!p)
+char *
+xstrdup(char *s) {
+	if((s = strdup(s)) == NULL)
 		die("Out of memory\n");
 
-	return p;
+	return s;
 }
 
-int
-utf8decode(char *s, long *u) {
-	uchar c;
-	int i, n, rtn;
-
-	rtn = 1;
-	c = *s;
-	if(~c & B7) { /* 0xxxxxxx */
-		*u = c;
-		return rtn;
-	} else if((c & (B7|B6|B5)) == (B7|B6)) { /* 110xxxxx */
-		*u = c&(B4|B3|B2|B1|B0);
-		n = 1;
-	} else if((c & (B7|B6|B5|B4)) == (B7|B6|B5)) { /* 1110xxxx */
-		*u = c&(B3|B2|B1|B0);
-		n = 2;
-	} else if((c & (B7|B6|B5|B4|B3)) == (B7|B6|B5|B4)) { /* 11110xxx */
-		*u = c & (B2|B1|B0);
-		n = 3;
-	} else {
-		goto invalid;
-	}
-
-	for(i = n, ++s; i > 0; --i, ++rtn, ++s) {
-		c = *s;
-		if((c & (B7|B6)) != B7) /* 10xxxxxx */
-			goto invalid;
-		*u <<= 6;
-		*u |= c & (B5|B4|B3|B2|B1|B0);
-	}
-
-	if((n == 1 && *u < 0x80) ||
-	   (n == 2 && *u < 0x800) ||
-	   (n == 3 && *u < 0x10000) ||
-	   (*u >= 0xD800 && *u <= 0xDFFF)) {
-		goto invalid;
-	}
-
-	return rtn;
-invalid:
-	*u = 0xFFFD;
-
-	return rtn;
-}
+size_t
+utf8decode(char *c, long *u, size_t clen) {
+	size_t i, j, len, type;
+	long udecoded;
 
-int
-utf8encode(long *u, char *s) {
-	uchar *sp;
-	ulong uc;
-	int i, n;
-
-	sp = (uchar *)s;
-	uc = *u;
-	if(uc < 0x80) {
-		*sp = uc; /* 0xxxxxxx */
+	*u = UTF_INVALID;
+	if(!clen)
+		return 0;
+	udecoded = utf8decodebyte(c[0], &len);
+	if(!BETWEEN(len, 1, UTF_SIZ))
 		return 1;
-	} else if(*u < 0x800) {
-		*sp = (uc >> 6) | (B7|B6); /* 110xxxxx */
-		n = 1;
-	} else if(uc < 0x10000) {
-		*sp = (uc >> 12) | (B7|B6|B5); /* 1110xxxx */
-		n = 2;
-	} else if(uc <= 0x10FFFF) {
-		*sp = (uc >> 18) | (B7|B6|B5|B4); /* 11110xxx */
-		n = 3;
-	} else {
-		goto invalid;
+	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;
+}
 
-	for(i=n,++sp; i>0; --i,++sp)
-		*sp = ((uc >> 6*(i-1)) & (B5|B4|B3|B2|B1|B0)) | B7; /* 10xxxxxx */
-
-	return n+1;
-invalid:
-	/* U+FFFD */
-	*s++ = '\xEF';
-	*s++ = '\xBF';
-	*s = '\xBD';
-
-	return 3;
+long
+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;
 }
 
-/* use this if your buffer is less than UTF_SIZ, it returns 1 if you can decode
-   UTF-8 otherwise return 0 */
-int
-isfullutf8(char *s, int b) {
-	uchar *c1, *c2, *c3;
+size_t
+utf8encode(long u, char *c, size_t clen) {
+	size_t len, i;
 
-	c1 = (uchar *)s;
-	c2 = (uchar *)++s;
-	c3 = (uchar *)++s;
-	if(b < 1) {
-		return 0;
-	} else if((*c1&(B7|B6|B5)) == (B7|B6) && b == 1) {
-		return 0;
-	} else if((*c1&(B7|B6|B5|B4)) == (B7|B6|B5) &&
-	    ((b == 1) ||
-	    ((b == 2) && (*c2&(B7|B6)) == B7))) {
+	len = utf8validate(&u, 0);
+	if(clen < len)
 		return 0;
-	} else if((*c1&(B7|B6|B5|B4|B3)) == (B7|B6|B5|B4) &&
-	    ((b == 1) ||
-	    ((b == 2) && (*c2&(B7|B6)) == B7) ||
-	    ((b == 3) && (*c2&(B7|B6)) == B7 && (*c3&(B7|B6)) == B7))) {
-		return 0;
-	} else {
-		return 1;
+	for(i = len - 1; i != 0; --i) {
+		c[i] = utf8encodebyte(u, 0);
+		u >>= 6;
 	}
+	c[0] = utf8encodebyte(u, len);
+	return len;
 }
 
-int
-utf8size(char *s) {
-	uchar c = *s;
+char
+utf8encodebyte(long u, size_t i) {
+	return utfbyte[i] | (u & ~utfmask[i]);
+}
 
-	if(~c&B7) {
-		return 1;
-	} else if((c&(B7|B6|B5)) == (B7|B6)) {
-		return 2;
-	} else if((c&(B7|B6|B5|B4)) == (B7|B6|B5)) {
-		return 3;
-	} else {
-		return 4;
-	}
+size_t
+utf8len(char *c) {
+	return utf8decode(c, &(long){0}, UTF_SIZ);
 }
 
-void
+size_t
+utf8validate(long *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;
+}
+
+static void
 selinit(void) {
 	memset(&sel.tclick1, 0, sizeof(sel.tclick1));
 	memset(&sel.tclick2, 0, sizeof(sel.tclick2));
 	sel.mode = 0;
-	sel.bx = -1;
+	sel.ob.x = -1;
 	sel.clip = NULL;
 	sel.xtarget = XInternAtom(xw.dpy, "UTF8_STRING", 0);
 	if(sel.xtarget == None)
@@ -642,46 +660,134 @@ y2row(int y) {
 	return LIMIT(y, 0, term.row-1);
 }
 
+static int tlinelen(int y) {
+	int i = term.col;
+
+	while (i > 0 && term.line[y][i - 1].c[0] == ' ')
+		--i;
+
+	return i;
+}
+
+static void
+selnormalize(void) {
+	int i;
+
+	if(sel.ob.y == sel.oe.y || sel.type == SEL_RECTANGULAR) {
+		sel.nb.x = MIN(sel.ob.x, sel.oe.x);
+		sel.ne.x = MAX(sel.ob.x, sel.oe.x);
+	} else {
+		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;
+	}
+	sel.nb.y = MIN(sel.ob.y, sel.oe.y);
+	sel.ne.y = MAX(sel.ob.y, sel.oe.y);
+
+	/* 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;
+}
+
 static inline bool
 selected(int x, int y) {
-	int bx, ex;
-
-	if(sel.ey == y && sel.by == y) {
-		bx = MIN(sel.bx, sel.ex);
-		ex = MAX(sel.bx, sel.ex);
-		return BETWEEN(x, bx, ex);
-	}
-
-	return ((sel.b.y < y && y < sel.e.y)
-			|| (y == sel.e.y && x <= sel.e.x))
-			|| (y == sel.b.y && x >= sel.b.x
-				&& (x <= sel.e.x || sel.b.y != sel.e.y));
-	switch(sel.type) {
-	case SEL_REGULAR:
-		return ((sel.b.y < y && y < sel.e.y)
-			|| (y == sel.e.y && x <= sel.e.x))
-			|| (y == sel.b.y && x >= sel.b.x
-				&& (x <= sel.e.x || sel.b.y != sel.e.y));
-	case SEL_RECTANGULAR:
-		return ((sel.b.y <= y && y <= sel.e.y)
-			&& (sel.b.x <= x && x <= sel.e.x));
-	};
+	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 mode, int *x, int *y, int direction) {
+	int newx, newy, xt, yt;
+	Glyph *gp;
+
+	switch(mode) {
+	case SNAP_WORD:
+		/*
+		 * Snap around if the word wraps around at the end or
+		 * beginning of a line.
+		 */
+		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(!(term.line[yt][xt].mode & ATTR_WRAP))
+					break;
+			}
+
+			if (newx >= tlinelen(newy))
+				break;
+
+			gp = &term.line[newy][newx];
+			if (!(gp->mode & ATTR_WDUMMY) && strchr(worddelimiters, gp->c[0]))
+				break;
+
+			*x = newx;
+			*y = newy;
+		}
+		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 && *y > 0) {
+			for(; *y > 0; *y += direction) {
+				if(!(term.line[*y-1][term.col-1].mode
+						& ATTR_WRAP)) {
+					break;
+				}
+			}
+		} else if(direction > 0 && *y < term.row-1) {
+			for(; *y < term.row; *y += direction) {
+				if(!(term.line[*y][term.col-1].mode
+						& ATTR_WRAP)) {
+					break;
+				}
+			}
+		}
+		break;
+	}
 }
 
 void
 getbuttoninfo(XEvent *e) {
 	int type;
-	uint state = e->xbutton.state &~Button1Mask;
+	uint state = e->xbutton.state & ~(Button1Mask | forceselmod);
 
 	sel.alt = IS_SET(MODE_ALTSCREEN);
 
-	sel.ex = x2col(e->xbutton.x);
-	sel.ey = y2row(e->xbutton.y);
+	sel.oe.x = x2col(e->xbutton.x);
+	sel.oe.y = y2row(e->xbutton.y);
 
-	sel.b.x = sel.by < sel.ey ? sel.bx : sel.ex;
-	sel.b.y = MIN(sel.by, sel.ey);
-	sel.e.x = sel.by < sel.ey ? sel.ex : sel.bx;
-	sel.e.y = MAX(sel.by, sel.ey);
+	if(sel.ob.y < sel.oe.y
+			|| (sel.ob.y == sel.oe.y && sel.ob.x < sel.oe.x)) {
+		selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+		selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+	} else {
+		selsnap(sel.snap, &sel.oe.x, &sel.oe.y, -1);
+		selsnap(sel.snap, &sel.ob.x, &sel.ob.y, +1);
+	}
+	selnormalize();
 
 	sel.type = SEL_REGULAR;
 	for(type = 1; type < LEN(selmasks); ++type) {
@@ -698,31 +804,48 @@ mousereport(XEvent *e) {
 	    button = e->xbutton.button, state = e->xbutton.state,
 	    len;
 	char buf[40];
-	static int ob, ox, oy;
+	static int ox, oy;
 
 	/* from urxvt */
 	if(e->xbutton.type == MotionNotify) {
-		if(!IS_SET(MODE_MOUSEMOTION) || (x == ox && y == oy))
+		if(x == ox && y == oy)
 			return;
-		button = ob + 32;
-		ox = x, oy = y;
-	} else if(!IS_SET(MODE_MOUSESGR)
-			&& (e->xbutton.type == ButtonRelease
-				|| button == AnyButton)) {
-		button = 3;
+		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 {
-		button -= Button1;
-		if(button >= 3)
-			button += 64 - 3;
+		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) {
-			ob = button;
-			ox = x, oy = y;
+			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;
 		}
 	}
 
-	button += (state & ShiftMask   ? 4  : 0)
-		+ (state & Mod4Mask    ? 8  : 0)
-		+ (state & ControlMask ? 16 : 0);
+	if(!IS_SET(MODE_MOUSEX10)) {
+		button += (state & ShiftMask   ? 4  : 0)
+			+ (state & Mod4Mask    ? 8  : 0)
+			+ (state & ControlMask ? 16 : 0);
+	}
 
 	len = 0;
 	if(IS_SET(MODE_MOUSESGR)) {
@@ -741,72 +864,120 @@ mousereport(XEvent *e) {
 
 void
 bpress(XEvent *e) {
-	if(IS_SET(MODE_MOUSE)) {
+	struct timespec now;
+	Mousekey *mk;
+
+	if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
 		mousereport(e);
-	} else if(e->xbutton.button == Button1) {
-		if(sel.bx != -1) {
-			sel.bx = -1;
-			tsetdirt(sel.b.y, sel.e.y);
-			draw();
+		return;
+	}
+
+	for(mk = mshortcuts; mk < mshortcuts + LEN(mshortcuts); mk++) {
+		if(e->xbutton.button == mk->b
+				&& match(mk->mask, e->xbutton.state)) {
+			ttysend(mk->s, strlen(mk->s));
+			return;
 		}
+	}
+
+	if(e->xbutton.button == Button1) {
+		clock_gettime(CLOCK_MONOTONIC, &now);
+
+		/* Clear previous selection, logically and visually. */
+		selclear(NULL);
 		sel.mode = 1;
 		sel.type = SEL_REGULAR;
-		sel.ex = sel.bx = x2col(e->xbutton.x);
-		sel.ey = sel.by = y2row(e->xbutton.y);
-	} else if(e->xbutton.button == Button4) {
-		ttywrite("\031", 1);
-	} else if(e->xbutton.button == Button5) {
-		ttywrite("\005", 1);
+		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;
+		}
+		selsnap(sel.snap, &sel.ob.x, &sel.ob.y, -1);
+		selsnap(sel.snap, &sel.oe.x, &sel.oe.y, +1);
+		selnormalize();
+
+		/*
+		 * Draw selection, unless it's regular and we don't want to
+		 * make clicks visible
+		 */
+		if(sel.snap != 0) {
+			sel.mode++;
+			tsetdirt(sel.nb.y, sel.ne.y);
+		}
+		sel.tclick2 = sel.tclick1;
+		sel.tclick1 = now;
 	}
 }
 
-void
-selcopy(void) {
-	char *str, *ptr, *p;
-	int x, y, bufsize, is_selected = 0, size;
+char *
+getsel(void) {
+	char *str, *ptr;
+	int y, bufsize, size, lastx, linelen;
 	Glyph *gp, *last;
 
-	if(sel.bx == -1) {
-		str = NULL;
-	} else {
-		bufsize = (term.col+1) * (sel.e.y-sel.b.y+1) * UTF_SIZ;
-		ptr = str = xmalloc(bufsize);
+	if(sel.ob.x == -1)
+		return NULL;
 
-		/* append every set & selected glyph to the selection */
-		for(y = sel.b.y; y < sel.e.y + 1; y++) {
-			is_selected = 0;
-			gp = &term.line[y][0];
-			last = gp + term.col;
+	bufsize = (term.col+1) * (sel.ne.y-sel.nb.y+1) * UTF_SIZ;
+	ptr = str = xmalloc(bufsize);
 
-			while(--last >= gp && !(last->state & GLYPH_SET))
-				/* nothing */;
+	/* append every set & selected glyph to the selection */
+	for(y = sel.nb.y; y < sel.ne.y + 1; y++) {
+		linelen = tlinelen(y);
 
-			for(x = 0; gp <= last; x++, ++gp) {
-				if(!selected(x, y)) {
-					continue;
-				} else {
-					is_selected = 1;
-				}
+		if(sel.type == SEL_RECTANGULAR) {
+			gp = &term.line[y][sel.nb.x];
+			lastx = sel.ne.x;
+		} else {
+			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
+			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
+		}
+		last = &term.line[y][MIN(lastx, linelen-1)];
 
-				p = (gp->state & GLYPH_SET) ? gp->c : " ";
-				size = utf8size(p);
-				memcpy(ptr, p, size);
-				ptr += size;
-			}
-			/* \n at the end of every selected line except for the last one */
-			if(is_selected && y < sel.e.y)
-				*ptr++ = '\r';
+		for( ; gp <= last; ++gp) {
+			if(gp->mode & ATTR_WDUMMY)
+				continue;
+
+			size = utf8len(gp->c);
+			memcpy(ptr, gp->c, size);
+			ptr += size;
 		}
-		*ptr = 0;
+
+		/*
+		 * 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(sel.ne.y > y || lastx >= linelen)
+			*ptr++ = '\n';
 	}
-	xsetsel(str);
+	*ptr = 0;
+	return str;
+}
+
+void
+selcopy(void) {
+	xsetsel(getsel());
 }
 
 void
 selnotify(XEvent *e) {
 	ulong nitems, ofs, rem;
 	int format;
-	uchar *data;
+	uchar *data, *last, *repl;
 	Atom type;
 
 	ofs = 0;
@@ -817,7 +988,25 @@ selnotify(XEvent *e) {
 			fprintf(stderr, "Clipboard allocation failed\n");
 			return;
 		}
-		ttywrite((const char *) data, nitems * format / 8);
+
+		/*
+		 * 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))
+			ttywrite("\033[200~", 6);
+		ttysend((char *)data, nitems * format / 8);
+		if(IS_SET(MODE_BRCKTPASTE))
+			ttywrite("\033[201~", 6);
 		XFree(data);
 		/* number of 32-bit chunks returned */
 		ofs += nitems * format / 32;
@@ -841,10 +1030,10 @@ clippaste(const Arg *dummy) {
 
 void
 selclear(XEvent *e) {
-	if(sel.bx == -1)
+	if(sel.ob.x == -1)
 		return;
-	sel.bx = -1;
-	tsetdirt(sel.b.y, sel.e.y);
+	sel.ob.x = -1;
+	tsetdirt(sel.nb.y, sel.ne.y);
 }
 
 void
@@ -898,9 +1087,7 @@ xsetsel(char *str) {
 
 void
 brelease(XEvent *e) {
-	struct timeval now;
-
-	if(IS_SET(MODE_MOUSE)) {
+	if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
 		mousereport(e);
 		return;
 	}
@@ -908,49 +1095,22 @@ brelease(XEvent *e) {
 	if(e->xbutton.button == Button2) {
 		selpaste(NULL);
 	} else if(e->xbutton.button == Button1) {
-		sel.mode = 0;
-		getbuttoninfo(e);
-		term.dirty[sel.ey] = 1;
-		if(sel.bx == sel.ex && sel.by == sel.ey) {
-			sel.bx = -1;
-			gettimeofday(&now, NULL);
-
-			if(TIMEDIFF(now, sel.tclick2) <= tripleclicktimeout) {
-				/* triple click on the line */
-				sel.b.x = sel.bx = 0;
-				sel.e.x = sel.ex = term.col;
-				sel.b.y = sel.e.y = sel.ey;
-				selcopy();
-			} else if(TIMEDIFF(now, sel.tclick1) <= doubleclicktimeout) {
-				/* double click to select word */
-				sel.bx = sel.ex;
-				while(sel.bx > 0 && term.line[sel.ey][sel.bx-1].state & GLYPH_SET &&
-						term.line[sel.ey][sel.bx-1].c[0] != ' ') {
-					sel.bx--;
-				}
-				sel.b.x = sel.bx;
-				while(sel.ex < term.col-1 && term.line[sel.ey][sel.ex+1].state & GLYPH_SET &&
-						term.line[sel.ey][sel.ex+1].c[0] != ' ') {
-					sel.ex++;
-				}
-				sel.e.x = sel.ex;
-				sel.b.y = sel.e.y = sel.ey;
-				selcopy();
-			}
+		if(sel.mode < 2) {
+			selclear(NULL);
 		} else {
+			getbuttoninfo(e);
 			selcopy();
 		}
+		sel.mode = 0;
+		tsetdirt(sel.nb.y, sel.ne.y);
 	}
-
-	memcpy(&sel.tclick2, &sel.tclick1, sizeof(struct timeval));
-	gettimeofday(&sel.tclick1, NULL);
 }
 
 void
 bmotion(XEvent *e) {
 	int oldey, oldex, oldsby, oldsey;
 
-	if(IS_SET(MODE_MOUSE)) {
+	if(IS_SET(MODE_MOUSE) && !(e->xbutton.state & forceselmod)) {
 		mousereport(e);
 		return;
 	}
@@ -958,15 +1118,15 @@ bmotion(XEvent *e) {
 	if(!sel.mode)
 		return;
 
-	oldey = sel.ey;
-	oldex = sel.ex;
-	oldsby = sel.b.y;
-	oldsey = sel.e.y;
+	sel.mode++;
+	oldey = sel.oe.y;
+	oldex = sel.oe.x;
+	oldsby = sel.nb.y;
+	oldsey = sel.ne.y;
 	getbuttoninfo(e);
 
-	if(oldey != sel.ey || oldex != sel.ex) {
-		tsetdirt(MIN(sel.b.y, oldsby), MAX(sel.e.y, oldsey));
-	}
+	if(oldey != sel.oe.y || oldex != sel.oe.x)
+		tsetdirt(MIN(sel.nb.y, oldsby), MAX(sel.ne.y, oldsey));
 }
 
 void
@@ -1016,16 +1176,15 @@ execsh(void) {
 
 void
 sigchld(int a) {
-	int stat = 0;
+	int stat, ret;
 
 	if(waitpid(pid, &stat, 0) < 0)
-		die("Waiting for pid %hd failed: %s\n",	pid, SERRNO);
+		die("Waiting for pid %hd failed: %s\n", pid, strerror(errno));
 
-	if(WIFEXITED(stat)) {
-		exit(WEXITSTATUS(stat));
-	} else {
-		exit(EXIT_FAILURE);
-	}
+	ret = WIFEXITED(stat) ? WEXITSTATUS(stat) : EXIT_FAILURE;
+	if (ret != EXIT_SUCCESS)
+		die("child finished with error '%d'\n", stat);
+	exit(EXIT_SUCCESS);
 }
 
 void
@@ -1035,7 +1194,7 @@ ttynew(void) {
 
 	/* seems to work fine on linux, openbsd and freebsd */
 	if(openpty(&m, &s, NULL, NULL, &w) < 0)
-		die("openpty failed: %s\n", SERRNO);
+		die("openpty failed: %s\n", strerror(errno));
 
 	switch(pid = fork()) {
 	case -1:
@@ -1047,7 +1206,7 @@ ttynew(void) {
 		dup2(s, STDOUT_FILENO);
 		dup2(s, STDERR_FILENO);
 		if(ioctl(s, TIOCSCTTY, NULL) < 0)
-			die("ioctl TIOCSCTTY failed: %s\n", SERRNO);
+			die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
 		close(s);
 		close(m);
 		execsh();
@@ -1057,6 +1216,7 @@ ttynew(void) {
 		cmdfd = m;
 		signal(SIGCHLD, sigchld);
 		if(opt_io) {
+			term.mode |= MODE_PRINT;
 			iofd = (!strcmp(opt_io, "-")) ?
 				  STDOUT_FILENO :
 				  open(opt_io, O_WRONLY | O_CREAT, 0666);
@@ -1065,18 +1225,10 @@ ttynew(void) {
 					opt_io, strerror(errno));
 			}
 		}
+		break;
 	}
 }
 
-void
-dump(char c) {
-	static int col;
-
-	fprintf(stderr, " %02x '%c' ", c, isprint(c)?c:'.');
-	if(++col % 10 == 0)
-		fprintf(stderr, "\n");
-}
-
 void
 ttyread(void) {
 	static char buf[BUFSIZ];
@@ -1084,19 +1236,18 @@ ttyread(void) {
 	char *ptr;
 	char s[UTF_SIZ];
 	int charsize; /* size of utf8 char in bytes */
-	long utf8c;
+	long 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", SERRNO);
+		die("Couldn't read from shell: %s\n", strerror(errno));
 
 	/* process every complete utf8 char */
 	buflen += ret;
 	ptr = buf;
-	while(buflen >= UTF_SIZ || isfullutf8(ptr,buflen)) {
-		charsize = utf8decode(ptr, &utf8c);
-		utf8encode(&utf8c, s);
+	while((charsize = utf8decode(ptr, &unicodep, buflen))) {
+		utf8encode(unicodep, s, UTF_SIZ);
 		tputc(s, charsize);
 		ptr += charsize;
 		buflen -= charsize;
@@ -1108,8 +1259,15 @@ ttyread(void) {
 
 void
 ttywrite(const char *s, size_t n) {
-	if(write(cmdfd, s, n) == -1)
-		die("write error on tty: %s\n", SERRNO);
+	if(xwrite(cmdfd, s, n) == -1)
+		die("write error on tty: %s\n", strerror(errno));
+}
+
+void
+ttysend(char *s, size_t n) {
+	ttywrite(s, n);
+	if(IS_SET(MODE_ECHO))
+		techo(s, n);
 }
 
 void
@@ -1121,7 +1279,21 @@ ttyresize(void) {
 	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", SERRNO);
+		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
@@ -1135,6 +1307,20 @@ tsetdirt(int top, int bot) {
 		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);
@@ -1142,13 +1328,14 @@ tfulldirt(void) {
 
 void
 tcursor(int mode) {
-	static TCursor c;
+	static TCursor c[2];
+	bool alt = IS_SET(MODE_ALTSCREEN);
 
 	if(mode == CURSOR_SAVE) {
-		c = term.c;
+		c[alt] = term.c;
 	} else if(mode == CURSOR_LOAD) {
-		term.c = c;
-		tmoveto(c.x, c.y);
+		term.c = c[alt];
+		tmoveto(c[alt].x, c[alt].y);
 	}
 }
 
@@ -1168,31 +1355,20 @@ treset(void) {
 	term.top = 0;
 	term.bot = term.row - 1;
 	term.mode = MODE_WRAP;
+	memset(term.trantbl, sizeof(term.trantbl), CS_USA);
+	term.charset = 0;
 
-	tclearregion(0, 0, term.col-1, term.row-1, 0);
+	tclearregion(0, 0, term.col-1, term.row-1);
 	tmoveto(0, 0);
 	tcursor(CURSOR_SAVE);
 }
 
 void
 tnew(int col, int row) {
-	/* set screen size */
-	term.row = row;
-	term.col = col;
-	term.line = xmalloc(term.row * sizeof(Line));
-	term.alt  = xmalloc(term.row * sizeof(Line));
-	term.dirty = xmalloc(term.row * sizeof(*term.dirty));
-	term.tabs = xmalloc(term.col * sizeof(*term.tabs));
-
-	for(row = 0; row < term.row; row++) {
-		term.line[row] = xmalloc(term.col * sizeof(Glyph));
-		term.alt [row] = xmalloc(term.col * sizeof(Glyph));
-		term.dirty[row] = 0;
-	}
-
+	term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
+	tresize(col, row);
 	term.numlock = 1;
-	memset(term.tabs, 0, term.col * sizeof(*term.tabs));
-	/* setup screen */
+
 	treset();
 }
 
@@ -1213,15 +1389,13 @@ tscrolldown(int orig, int n) {
 
 	LIMIT(n, 0, term.bot-orig+1);
 
-	tclearregion(0, term.bot-n+1, term.col-1, term.bot, 0);
+	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;
-
-		term.dirty[i] = 1;
-		term.dirty[i-n] = 1;
 	}
 
 	selscroll(orig, n);
@@ -1231,17 +1405,16 @@ void
 tscrollup(int orig, int n) {
 	int i;
 	Line temp;
+
 	LIMIT(n, 0, term.bot-orig+1);
 
-	tclearregion(0, orig, term.col-1, orig+n-1, 0);
+	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;
-
-		 term.dirty[i] = 1;
-		 term.dirty[i+n] = 1;
+		temp = term.line[i];
+		term.line[i] = term.line[i+n];
+		term.line[i+n] = temp;
 	}
 
 	selscroll(orig, -n);
@@ -1249,34 +1422,30 @@ tscrollup(int orig, int n) {
 
 void
 selscroll(int orig, int n) {
-	if(sel.bx == -1)
+	if(sel.ob.x == -1)
 		return;
 
-	if(BETWEEN(sel.by, orig, term.bot) || BETWEEN(sel.ey, orig, term.bot)) {
-		if((sel.by += n) > term.bot || (sel.ey += n) < term.top) {
-			sel.bx = -1;
+	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;
 		}
-		switch(sel.type) {
-		case SEL_REGULAR:
-			if(sel.by < term.top) {
-				sel.by = term.top;
-				sel.bx = 0;
+		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.ey > term.bot) {
-				sel.ey = term.bot;
-				sel.ex = term.col;
+			if(sel.oe.y > term.bot) {
+				sel.oe.y = term.bot;
+				sel.oe.x = term.col;
 			}
-			break;
-		case SEL_RECTANGULAR:
-			if(sel.by < term.top)
-				sel.by = term.top;
-			if(sel.ey > term.bot)
-				sel.ey = term.bot;
-			break;
-		};
-		sel.b.y = sel.by, sel.b.x = sel.bx;
-		sel.e.y = sel.ey, sel.e.x = sel.ex;
+		}
+		selnormalize();
 	}
 }
 
@@ -1360,22 +1529,31 @@ tsetchar(char *c, Glyph *attr, int x, int y) {
 	/*
 	 * The table is proudly stolen from rxvt.
 	 */
-	if(attr->mode & ATTR_GFX) {
-		if(c[0] >= 0x41 && c[0] <= 0x7e
-				&& vt100_0[c[0] - 0x41]) {
+	if(term.trantbl[term.charset] == CS_GRAPHIC0) {
+		if(BETWEEN(c[0], 0x41, 0x7e) && vt100_0[c[0] - 0x41]) {
 			c = vt100_0[c[0] - 0x41];
 		}
 	}
 
+	if(term.line[y][x].mode & ATTR_WIDE) {
+		if(x+1 < term.col) {
+			term.line[y][x+1].c[0] = ' ';
+			term.line[y][x+1].mode &= ~ATTR_WDUMMY;
+		}
+	} else if(term.line[y][x].mode & ATTR_WDUMMY) {
+		term.line[y][x-1].c[0] = ' ';
+		term.line[y][x-1].mode &= ~ATTR_WIDE;
+	}
+
 	term.dirty[y] = 1;
 	term.line[y][x] = *attr;
 	memcpy(term.line[y][x].c, c, UTF_SIZ);
-	term.line[y][x].state |= GLYPH_SET;
 }
 
 void
-tclearregion(int x1, int y1, int x2, int y2, int bce) {
+tclearregion(int x1, int y1, int x2, int y2) {
 	int x, y, temp;
+	Glyph *gp;
 
 	if(x1 > x2)
 		temp = x1, x1 = x2, x2 = temp;
@@ -1390,84 +1568,136 @@ tclearregion(int x1, int y1, int x2, int y2, int bce) {
 	for(y = y1; y <= y2; y++) {
 		term.dirty[y] = 1;
 		for(x = x1; x <= x2; x++) {
-			if(bce) {
-				term.line[y][x] = term.c.attr;
-				memcpy(term.line[y][x].c, " ", 2);
-				term.line[y][x].state |= GLYPH_SET;
-			} else {
-				term.line[y][x].state = 0;
-			}
+			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;
+			memcpy(gp->c, " ", 2);
 		}
 	}
 }
 
 void
 tdeletechar(int n) {
-	int src = term.c.x + n;
-	int dst = term.c.x;
-	int size = term.col - src;
+	int dst, src, size;
+	Glyph *line;
 
-	term.dirty[term.c.y] = 1;
+	LIMIT(n, 0, term.col - term.c.x);
 
-	if(src >= term.col) {
-		tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
-		return;
-	}
+	dst = term.c.x;
+	src = term.c.x + n;
+	size = term.col - src;
+	line = term.line[term.c.y];
 
-	memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
-			size * sizeof(Glyph));
-	tclearregion(term.col-n, term.c.y, term.col-1, term.c.y, 0);
+	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 src = term.c.x;
-	int dst = src + n;
-	int size = term.col - dst;
+	int dst, src, size;
+	Glyph *line;
 
-	term.dirty[term.c.y] = 1;
+	LIMIT(n, 0, term.col - term.c.x);
 
-	if(dst >= term.col) {
-		tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 0);
-		return;
-	}
+	dst = term.c.x + n;
+	src = term.c.x;
+	size = term.col - dst;
+	line = term.line[term.c.y];
 
-	memmove(&term.line[term.c.y][dst], &term.line[term.c.y][src],
-			size * sizeof(Glyph));
-	tclearregion(src, term.c.y, dst - 1, term.c.y, 0);
+	memmove(&line[dst], &line[src], size * sizeof(Glyph));
+	tclearregion(src, term.c.y, dst - 1, term.c.y);
 }
 
 void
 tinsertblankline(int n) {
-	if(term.c.y < term.top || term.c.y > term.bot)
-		return;
-
-	tscrolldown(term.c.y, n);
+	if(BETWEEN(term.c.y, term.top, term.bot))
+		tscrolldown(term.c.y, n);
 }
 
 void
 tdeleteline(int n) {
-	if(term.c.y < term.top || term.c.y > term.bot)
-		return;
+	if(BETWEEN(term.c.y, term.top, term.bot))
+		tscrollup(term.c.y, n);
+}
+
+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 (%d,%d,%d)\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;
+	}
 
-	tscrollup(term.c.y, n);
+	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_REVERSE | ATTR_UNDERLINE | ATTR_BOLD \
-					| ATTR_ITALIC | ATTR_BLINK);
+			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;
@@ -1475,15 +1705,21 @@ tsetattr(int *attr, int l) {
 			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 21:
+		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;
+			term.c.attr.mode &= ~(ATTR_BOLD | ATTR_FAINT);
 			break;
 		case 23:
 			term.c.attr.mode &= ~ATTR_ITALIC;
@@ -1492,46 +1728,27 @@ tsetattr(int *attr, int l) {
 			term.c.attr.mode &= ~ATTR_UNDERLINE;
 			break;
 		case 25:
-		case 26:
 			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(i + 2 < l && attr[i + 1] == 5) {
-				i += 2;
-				if(BETWEEN(attr[i], 0, 255)) {
-					term.c.attr.fg = attr[i];
-				} else {
-					fprintf(stderr,
-						"erresc: bad fgcolor %d\n",
-						attr[i]);
-				}
-			} else {
-				fprintf(stderr,
-					"erresc(38): gfx attr %d unknown\n",
-					attr[i]);
-			}
+			if ((idx = tdefcolor(attr, &i, l)) >= 0)
+				term.c.attr.fg = idx;
 			break;
 		case 39:
 			term.c.attr.fg = defaultfg;
 			break;
 		case 48:
-			if(i + 2 < l && attr[i + 1] == 5) {
-				i += 2;
-				if(BETWEEN(attr[i], 0, 255)) {
-					term.c.attr.bg = attr[i];
-				} else {
-					fprintf(stderr,
-						"erresc: bad bgcolor %d\n",
-						attr[i]);
-				}
-			} else {
-				fprintf(stderr,
-					"erresc(48): gfx attr %d unknown\n",
-					attr[i]);
-			}
+			if ((idx = tdefcolor(attr, &i, l)) >= 0)
+				term.c.attr.bg = idx;
 			break;
 		case 49:
 			term.c.attr.bg = defaultbg;
@@ -1570,8 +1787,6 @@ tsetscroll(int t, int b) {
 	term.bot = b;
 }
 
-#define MODBIT(x, set, bit) ((set) ? ((x) |= (bit)) : ((x) &= ~(bit)))
-
 void
 tsetmode(bool priv, bool set, int *args, int narg) {
 	int *lim, mode;
@@ -1580,7 +1795,6 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 	for(lim = args + narg; args < lim; ++args) {
 		if(priv) {
 			switch(*args) {
-				break;
 			case 1: /* DECCKM -- Cursor key */
 				MODBIT(term.mode, set, MODE_APPCURSOR);
 				break;
@@ -1610,34 +1824,69 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 			case 25: /* DECTCEM -- Text Cursor Enable Mode */
 				MODBIT(term.mode, !set, MODE_HIDE);
 				break;
-			case 1000: /* 1000,1002: enable xterm mouse report */
+			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);
-				MODBIT(term.mode, 0, MODE_MOUSEMOTION);
 				break;
-			case 1002:
+			case 1002: /* 1002: report motion on button press */
+				xsetpointermotion(0);
+				MODBIT(term.mode, 0, MODE_MOUSE);
 				MODBIT(term.mode, set, MODE_MOUSEMOTION);
-				MODBIT(term.mode, 0, MODE_MOUSEBTN);
 				break;
-			case 1006:
+			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 1049: /* = 1047 and 1048 */
-			case 47:
-			case 1047: {
-				alt = IS_SET(MODE_ALTSCREEN);
-				if(alt) {
+			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, 0);
+							term.row-1);
 				}
-				if(set ^ alt)		/* set is always 1 or 0 */
+				if(set ^ alt) /* set is always 1 or 0 */
 					tswapscreen();
 				if(*args != 1049)
 					break;
-			}
-				/* pass through */
+				/* 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",
@@ -1669,11 +1918,12 @@ tsetmode(bool priv, bool set, int *args, int narg) {
 		}
 	}
 }
-#undef MODBIT
-
 
 void
 csihandle(void) {
+	char buf[40];
+	int len;
+
 	switch(csiescseq.mode) {
 	default:
 	unknown:
@@ -1694,6 +1944,25 @@ csihandle(void) {
 		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(VT102ID, sizeof(VT102ID) - 1);
@@ -1740,26 +2009,25 @@ csihandle(void) {
 		break;
 	case 'I': /* CHT -- Cursor Forward Tabulation <n> tab stops */
 		DEFAULT(csiescseq.arg[0], 1);
-		while(csiescseq.arg[0]--)
-			tputtab(1);
+		tputtab(csiescseq.arg[0]);
 		break;
 	case 'J': /* ED -- Clear screen */
-		sel.bx = -1;
+		selclear(NULL);
 		switch(csiescseq.arg[0]) {
 		case 0: /* below */
-			tclearregion(term.c.x, term.c.y, term.col-1, term.c.y, 1);
+			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, 1);
+						term.row-1);
 			}
 			break;
 		case 1: /* above */
 			if(term.c.y > 1)
-				tclearregion(0, 0, term.col-1, term.c.y-1, 1);
-			tclearregion(0, term.c.y, term.c.x, 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, 1);
+			tclearregion(0, 0, term.col-1, term.row-1);
 			break;
 		default:
 			goto unknown;
@@ -1769,13 +2037,13 @@ csihandle(void) {
 		switch(csiescseq.arg[0]) {
 		case 0: /* right */
 			tclearregion(term.c.x, term.c.y, term.col-1,
-					term.c.y, 1);
+					term.c.y);
 			break;
 		case 1: /* left */
-			tclearregion(0, term.c.y, term.c.x, term.c.y, 1);
+			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, 1);
+			tclearregion(0, term.c.y, term.col-1, term.c.y);
 			break;
 		}
 		break;
@@ -1801,7 +2069,7 @@ csihandle(void) {
 	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, 1);
+				term.c.x + csiescseq.arg[0] - 1, term.c.y);
 		break;
 	case 'P': /* DCH -- Delete <n> char */
 		DEFAULT(csiescseq.arg[0], 1);
@@ -1809,8 +2077,7 @@ csihandle(void) {
 		break;
 	case 'Z': /* CBT -- Cursor Backward Tabulation <n> tab stops */
 		DEFAULT(csiescseq.arg[0], 1);
-		while(csiescseq.arg[0]--)
-			tputtab(0);
+		tputtab(-csiescseq.arg[0]);
 		break;
 	case 'd': /* VPA -- Move to <row> */
 		DEFAULT(csiescseq.arg[0], 1);
@@ -1822,6 +2089,13 @@ csihandle(void) {
 	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;
@@ -1872,28 +2146,30 @@ csireset(void) {
 void
 strhandle(void) {
 	char *p = NULL;
-	int i, j, narg;
+	int j, narg, par;
 
+	term.esc &= ~(ESC_STR_END|ESC_STR);
 	strparse();
 	narg = strescseq.narg;
+	par = atoi(strescseq.args[0]);
 
 	switch(strescseq.type) {
 	case ']': /* OSC -- Operating System Command */
-		switch(i = atoi(strescseq.args[0])) {
+		switch(par) {
 		case 0:
 		case 1:
 		case 2:
 			if(narg > 1)
 				xsettitle(strescseq.args[1]);
-			break;
+			return;
 		case 4: /* color set */
 			if(narg < 3)
 				break;
 			p = strescseq.args[2];
-			/* fall through */
+			/* FALLTHROUGH */
 		case 104: /* color reset, here p = NULL */
 			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
-			if (!xsetcolorname(j, p)) {
+			if(xsetcolorname(j, p)) {
 				fprintf(stderr, "erresc: invalid color %s\n", p);
 			} else {
 				/*
@@ -1902,25 +2178,20 @@ strhandle(void) {
 				 */
 				redraw(0);
 			}
-			break;
-		default:
-			fprintf(stderr, "erresc: unknown str ");
-			strdump();
-			break;
+			return;
 		}
 		break;
 	case 'k': /* old title set compatibility */
 		xsettitle(strescseq.args[0]);
-		break;
-	case 'P': /* DSC -- Device Control String */
+		return;
+	case 'P': /* DCS -- Device Control String */
 	case '_': /* APC -- Application Program Command */
 	case '^': /* PM -- Privacy Message */
-	default:
-		fprintf(stderr, "erresc: unknown str ");
-		strdump();
-		/* die(""); */
-		break;
+		return;
 	}
+
+	fprintf(stderr, "erresc: unknown str ");
+	strdump();
 }
 
 void
@@ -1964,19 +2235,73 @@ strreset(void) {
 }
 
 void
-tputtab(bool forward) {
+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
+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) {
+	Glyph *bp, *end;
+
+	bp = &term.line[n][0];
+	end = &bp[MIN(tlinelen(n), term.col) - 1];
+	if(bp != end || bp->c[0] != ' ') {
+		for( ;bp <= end; ++bp)
+			tprinter(bp->c, utf8len(bp->c));
+	}
+	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(forward) {
-		if(x == term.col)
-			return;
-		for(++x; x < term.col && !term.tabs[x]; ++x)
-			/* nothing */ ;
-	} else {
-		if(x == 0)
-			return;
-		for(--x; x > 0 && !term.tabs[x]; --x)
-			/* nothing */ ;
+	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 */ ;
 	}
 	tmoveto(x, term.c.y);
 }
@@ -1986,12 +2311,13 @@ techo(char *buf, int len) {
 	for(; len > 0; buf++, len--) {
 		char c = *buf;
 
-		if(c == '\033') {		/* escape */
-			tputc("^", 1);
-			tputc("[", 1);
-		} else if(c < '\x20') {	/* control code */
-			if(c != '\n' && c != '\r' && c != '\t') {
-				c |= '\x40';
+		if(ISCONTROL((uchar) c)) { /* control code */
+			if(c & 0x80) {
+				c &= 0x7f;
+				tputc("^", 1);
+				tputc("[", 1);
+			} else if(c != '\n' && c != '\r' && c != '\t') {
+				c ^= 0x40;
 				tputc("^", 1);
 			}
 			tputc(&c, 1);
@@ -2004,53 +2330,194 @@ techo(char *buf, int len) {
 }
 
 void
-tputc(char *c, int len) {
-	uchar ascii = *c;
-	bool control = ascii < '\x20' || ascii == 0177;
+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
+tstrsequence(uchar c) {
+	if (c & 0x80) {
+		switch (c) {
+		case 0x90:   /* DCS -- Device Control String */
+			c = 'P';
+			break;
+		case 0x9f:   /* APC -- Application Program Command */
+			c = '_';
+			break;
+		case 0x9e:   /* PM -- Privacy Message */
+			c = '^';
+			break;
+		case 0x9d:   /* OSC -- Operating System Command */
+			c = ']';
+			break;
+		}
+	}
+	strreset();
+	strescseq.type = c;
+	term.esc |= ESC_STR;
+	return;
+}
+
+void
+tcontrolcode(uchar ascii) {
+	static char question[UTF_SIZ] = "?";
+
+	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)
+				XBell(xw.dpy, bellvolume);
+		}
+		break;
+	case '\033': /* ESC */
+		csireset();
+		term.esc &= ~(ESC_CSI|ESC_ALTCHARSET|ESC_TEST);
+		term.esc |= ESC_START;
+		return;
+	case '\016': /* SO */
+		term.charset = 0;
+		return;
+	case '\017': /* SI */
+		term.charset = 1;
+		return;
+	case '\032': /* SUB */
+		tsetchar(question, &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 0x84:   /* TODO: IND */
+		break;
+	case 0x85:   /* NEL -- Next line */
+		tnewline(1); /* always go to first col */
+		break;
+	case 0x88:   /* HTS -- Horizontal tab stop */
+		term.tabs[term.c.x] = 1;
+		break;
+	case 0x8d:   /* TODO: RI */
+	case 0x8e:   /* TODO: SS2 */
+	case 0x8f:   /* TODO: SS3 */
+	case 0x98:   /* TODO: SOS */
+		break;
+	case 0x9a:   /* DECID -- Identify Terminal */
+		ttywrite(VT102ID, sizeof(VT102ID) - 1);
+		break;
+	case 0x9b:   /* TODO: CSI */
+	case 0x9c:   /* TODO: ST */
+		break;
+	case 0x90:   /* DCS -- Device Control String */
+	case 0x9f:   /* APC -- Application Program Command */
+	case 0x9e:   /* PM -- Privacy Message */
+	case 0x9d:   /* OSC -- Operating System Command */
+		tstrsequence(ascii);
+		return;
+	}
+	/* only CAN, SUB, \a and C1 chars interrupt a sequence */
+	term.esc &= ~(ESC_STR_END|ESC_STR);
+	return;
+}
+
+void
+tdectest(char c) {
+	static char E[UTF_SIZ] = "E";
+	int x, y;
 
-	if(iofd != -1) {
-		if(xwrite(iofd, c, len) < 0) {
-			fprintf(stderr, "Error writing in %s:%s\n",
-				opt_io, strerror(errno));
-			close(iofd);
-			iofd = -1;
+	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
+tputc(char *c, int len) {
+	uchar ascii;
+	bool control;
+	long unicodep;
+	int width;
+	Glyph *gp;
+
+	if(len == 1) {
+		width = 1;
+		unicodep = ascii = *c;
+	} else {
+		utf8decode(c, &unicodep, UTF_SIZ);
+		width = wcwidth(unicodep);
+		control = ISCONTROLC1(unicodep);
+		ascii = unicodep;
+	}
+
+	if(IS_SET(MODE_PRINT))
+		tprinter(c, len);
+	control = ISCONTROL(unicodep);
 
 	/*
-	 * STR sequences must be checked before anything else
-	 * because it can use some control codes as part of the sequence.
+	 * 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) {
-		switch(ascii) {
-		case '\033':
-			term.esc = ESC_START | ESC_STR_END;
-			break;
-		case '\a': /* backwards compatibility to xterm */
-			term.esc = 0;
-			strhandle();
-			break;
-		default:
-			if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
-				memmove(&strescseq.buf[strescseq.len], c, len);
-				strescseq.len += len;
-			} else {
-			/*
-			 * 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();
-			 */
-			}
+		if(width == 1 &&
+		   (ascii == '\a' || ascii == 030 ||
+		    ascii == 032  || ascii == 033 ||
+		    ISCONTROLC1(unicodep))) {
+			term.esc &= ~(ESC_START|ESC_STR);
+			term.esc |= ESC_STR_END;
+		} else if(strescseq.len + len < sizeof(strescseq.buf) - 1) {
+			memmove(&strescseq.buf[strescseq.len], c, len);
+			strescseq.len += len;
+			return;
+		} else {
+		/*
+		 * 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;
 		}
-		return;
 	}
 
 	/*
@@ -2059,50 +2526,11 @@ tputc(char *c, int len) {
 	 * they must not cause conflicts with sequences.
 	 */
 	if(control) {
-		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(!(xw.state & WIN_FOCUSED))
-				xseturgency(1);
-			return;
-		case '\033':	/* ESC */
-			csireset();
-			term.esc = ESC_START;
-			return;
-		case '\016':	/* SO */
-		case '\017':	/* SI */
-			/*
-			 * Different charsets are hard to handle. Applications
-			 * should use the right alt charset escapes for the
-			 * only reason they still exist: line drawing. The
-			 * rest is incompatible history st should not support.
-			 */
-			return;
-		case '\032':	/* SUB */
-		case '\030':	/* CAN */
-			csireset();
-			return;
-		case '\005':	/* ENQ (IGNORED) */
-		case '\000':	/* NUL (IGNORED) */
-		case '\021':	/* XON (IGNORED) */
-		case '\023':	/* XOFF (IGNORED) */
-		case 0177:	/* DEL (IGNORED) */
-			return;
-		}
+		tcontrolcode(ascii);
+		/*
+		 * control codes are not shown ever
+		 */
+		return;
 	} else if(term.esc & ESC_START) {
 		if(term.esc & ESC_CSI) {
 			csiescseq.buf[csiescseq.len++] = ascii;
@@ -2113,79 +2541,45 @@ tputc(char *c, int len) {
 				csiparse();
 				csihandle();
 			}
-		} else if(term.esc & ESC_STR_END) {
-			term.esc = 0;
-			if(ascii == '\\')
-				strhandle();
+			return;
 		} else if(term.esc & ESC_ALTCHARSET) {
-			switch(ascii) {
-			case '0': /* Line drawing set */
-				term.c.attr.mode |= ATTR_GFX;
-				break;
-			case 'B': /* USASCII */
-				term.c.attr.mode &= ~ATTR_GFX;
-				break;
-			case 'A': /* UK (IGNORED) */
-			case '<': /* multinational charset (IGNORED) */
-			case '5': /* Finnish (IGNORED) */
-			case 'C': /* Finnish (IGNORED) */
-			case 'K': /* German (IGNORED) */
-				break;
-			default:
-				fprintf(stderr, "esc unhandled charset: ESC ( %c\n", ascii);
-			}
-			term.esc = 0;
+			tdeftran(ascii);
 		} else if(term.esc & ESC_TEST) {
-			if(ascii == '8') { /* DEC screen alignment test. */
-				char E[UTF_SIZ] = "E";
-				int x, y;
-
-				for(x = 0; x < term.col; ++x) {
-					for(y = 0; y < term.row; ++y)
-						tsetchar(E, &term.c.attr, x, y);
-				}
-			}
-			term.esc = 0;
+			tdectest(ascii);
 		} else {
 			switch(ascii) {
 			case '[':
 				term.esc |= ESC_CSI;
-				break;
+				return;
 			case '#':
 				term.esc |= ESC_TEST;
-				break;
+				return;
 			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 */
-				strreset();
-				strescseq.type = ascii;
-				term.esc |= ESC_STR;
-				break;
+				tstrsequence(ascii);
+				return;
 			case '(': /* set primary charset G0 */
+			case ')': /* set secondary charset G1 */
+			case '*': /* set tertiary charset G2 */
+			case '+': /* set quaternary charset G3 */
+				term.icharset = ascii - '(';
 				term.esc |= ESC_ALTCHARSET;
-				break;
-			case ')': /* set secondary charset G1 (IGNORED) */
-			case '*': /* set tertiary charset G2 (IGNORED) */
-			case '+': /* set quaternary charset G3 (IGNORED) */
-				term.esc = 0;
-				break;
+				return;
 			case 'D': /* IND -- Linefeed */
 				if(term.c.y == term.bot) {
 					tscrollup(term.top, 1);
 				} else {
 					tmoveto(term.c.x, term.c.y+1);
 				}
-				term.esc = 0;
 				break;
 			case 'E': /* NEL -- Next line */
 				tnewline(1); /* always go to first col */
-				term.esc = 0;
 				break;
 			case 'H': /* HTS -- Horizontal tab stop */
 				term.tabs[term.c.x] = 1;
-				term.esc = 0;
 				break;
 			case 'M': /* RI -- Reverse index */
 				if(term.c.y == term.top) {
@@ -2193,82 +2587,90 @@ tputc(char *c, int len) {
 				} else {
 					tmoveto(term.c.x, term.c.y-1);
 				}
-				term.esc = 0;
 				break;
 			case 'Z': /* DECID -- Identify Terminal */
 				ttywrite(VT102ID, sizeof(VT102ID) - 1);
-				term.esc = 0;
 				break;
 			case 'c': /* RIS -- Reset to inital state */
 				treset();
-				term.esc = 0;
 				xresettitle();
+				xloadcols();
 				break;
 			case '=': /* DECPAM -- Application keypad */
 				term.mode |= MODE_APPKEYPAD;
-				term.esc = 0;
 				break;
 			case '>': /* DECPNM -- Normal keypad */
 				term.mode &= ~MODE_APPKEYPAD;
-				term.esc = 0;
 				break;
 			case '7': /* DECSC -- Save Cursor */
 				tcursor(CURSOR_SAVE);
-				term.esc = 0;
 				break;
 			case '8': /* DECRC -- Restore Cursor */
 				tcursor(CURSOR_LOAD);
-				term.esc = 0;
 				break;
-			case '\\': /* ST -- Stop */
-				term.esc = 0;
+			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:'.');
-				term.esc = 0;
+				break;
 			}
 		}
+		term.esc = 0;
 		/*
 		 * All characters which form part of a sequence are not
 		 * printed
 		 */
 		return;
 	}
-	/*
-	 * Display control codes only if we are in graphic mode
-	 */
-	if(control && !(term.c.attr.mode & ATTR_GFX))
-		return;
-	if(sel.bx != -1 && BETWEEN(term.c.y, sel.by, sel.ey))
-		sel.bx = -1;
-	if(IS_SET(MODE_WRAP) && term.c.state & CURSOR_WRAPNEXT)
-		tnewline(1); /* always go to first col */
+	if(sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
+		selclear(NULL);
 
-	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col) {
-		memmove(&term.line[term.c.y][term.c.x+1],
-			&term.line[term.c.y][term.c.x],
-			(term.col - term.c.x - 1) * sizeof(Glyph));
+	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);
 	}
 
+	if(IS_SET(MODE_INSERT) && term.c.x+1 < term.col)
+		memmove(gp+1, gp, (term.col - term.c.x - 1) * sizeof(Glyph));
+
+	if(term.c.x+width > term.col)
+		tnewline(1);
+
 	tsetchar(c, &term.c.attr, term.c.x, term.c.y);
-	if(term.c.x+1 < term.col) {
-		tmoveto(term.c.x+1, term.c.y);
+
+	if(width == 2) {
+		gp->mode |= ATTR_WIDE;
+		if(term.c.x+1 < term.col) {
+			gp[1].c[0] = '\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;
 	}
 }
 
-int
+void
 tresize(int col, int row) {
-	int i, x;
+	int i;
 	int minrow = MIN(row, term.row);
 	int mincol = MIN(col, term.col);
 	int slide = term.c.y - row + 1;
 	bool *bp;
+	Line *orig;
+	TCursor c;
 
-	if(col < 1 || row < 1)
-		return 0;
+	if(col < 1 || row < 1) {
+		fprintf(stderr,
+		        "tresize: error resizing to %dx%d\n", col, row);
+		return;
+	}
 
 	/* free unneeded rows */
 	i = 0;
@@ -2298,20 +2700,14 @@ tresize(int col, int row) {
 
 	/* resize each row to new width, zero-pad if needed */
 	for(i = 0; i < minrow; i++) {
-		term.dirty[i] = 1;
 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
 		term.alt[i]  = xrealloc(term.alt[i],  col * sizeof(Glyph));
-		for(x = mincol; x < col; x++) {
-			term.line[i][x].state = 0;
-			term.alt[i][x].state = 0;
-		}
 	}
 
 	/* allocate any new rows */
 	for(/* i == minrow */; i < row; i++) {
-		term.dirty[i] = 1;
-		term.line[i] = xcalloc(col, sizeof(Glyph));
-		term.alt [i] = xcalloc(col, sizeof(Glyph));
+		term.line[i] = xmalloc(col * sizeof(Glyph));
+		term.alt[i] = xmalloc(col * sizeof(Glyph));
 	}
 	if(col > term.col) {
 		bp = term.tabs + term.col;
@@ -2329,8 +2725,20 @@ tresize(int col, int row) {
 	tsetscroll(0, row-1);
 	/* make use of the LIMIT in tmoveto */
 	tmoveto(term.c.x, term.c.y);
-
-	return (slide > 0);
+	/* Clearing both screens (it makes dirty all lines) */
+	orig = term.line;
+	c = term.c;
+	do {
+		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);
+	} while(orig != term.line);
+	term.c = c;
 }
 
 void
@@ -2341,10 +2749,8 @@ xresize(int col, int row) {
 	XFreePixmap(xw.dpy, xw.buf);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, xw.w, xw.h,
 			DefaultDepth(xw.dpy, xw.scr));
-	XSetForeground(xw.dpy, dc.gc, dc.col[IS_SET(MODE_REVERSE) ? defaultfg : defaultbg].pixel);
-	XFillRectangle(xw.dpy, xw.buf, dc.gc, 0, 0, xw.w, xw.h);
-
 	XftDrawChange(xw.draw, xw.buf);
+	xclear(0, 0, xw.w, xw.h);
 }
 
 static inline ushort
@@ -2354,10 +2760,17 @@ sixd_to_16bit(int x) {
 
 void
 xloadcols(void) {
-	int i, r, g, b;
+	int i;
 	XRenderColor color = { .alpha = 0xffff };
+	static bool loaded;
+	Color *cp;
+
+	if(loaded) {
+		for (cp = dc.col; cp < dc.col + LEN(dc.col); ++cp)
+			XftColorFree(xw.dpy, xw.vis, xw.cmap, cp);
+	}
 
-	/* load colors [0-15] colors and [256-LEN(colorname)[ (config.h) */
+	/* load colors [0-15] and [256-LEN(colorname)] (config.h) */
 	for(i = 0; i < LEN(colorname); i++) {
 		if(!colorname[i])
 			continue;
@@ -2366,60 +2779,66 @@ xloadcols(void) {
 		}
 	}
 
-	/* load colors [16-255] ; same colors as xterm */
-	for(i = 16, r = 0; r < 6; r++) {
-		for(g = 0; g < 6; g++) {
-			for(b = 0; b < 6; b++) {
-				color.red = sixd_to_16bit(r);
-				color.green = sixd_to_16bit(g);
-				color.blue = sixd_to_16bit(b);
-				if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i])) {
-					die("Could not allocate color %d\n", i);
-				}
-				i++;
-			}
-		}
+	/* load colors [16-231] ; same colors as xterm */
+	for(i = 16; i < 6*6*6+16; i++) {
+		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 );
+		if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
+			die("Could not allocate color %d\n", i);
 	}
 
-	for(r = 0; r < 24; r++, i++) {
-		color.red = color.green = color.blue = 0x0808 + 0x0a0a * r;
-		if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color,
-					&dc.col[i])) {
+	/* load colors [232-255] ; grayscale */
+	for(; i < 256; i++) {
+		color.red = color.green = color.blue = 0x0808 + 0x0a0a * (i-(6*6*6+16));
+		if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &dc.col[i]))
 			die("Could not allocate color %d\n", i);
-		}
 	}
+	loaded = true;
 }
 
 int
 xsetcolorname(int x, const char *name) {
 	XRenderColor color = { .alpha = 0xffff };
-	Colour colour;
-	if (x < 0 || x > LEN(colorname))
-		return -1;
+	Color ncolor;
+
+	if(!BETWEEN(x, 0, LEN(colorname)))
+		return 1;
+
 	if(!name) {
-		if(16 <= x && x < 16 + 216) {
-			int r = (x - 16) / 36, g = ((x - 16) % 36) / 6, b = (x - 16) % 6;
-			color.red = sixd_to_16bit(r);
-			color.green = sixd_to_16bit(g);
-			color.blue = sixd_to_16bit(b);
-			if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
-				return 0; /* something went wrong */
-			dc.col[x] = colour;
-			return 1;
-		} else if (16 + 216 <= x && x < 256) {
-			color.red = color.green = color.blue = 0x0808 + 0x0a0a * (x - (16 + 216));
-			if(!XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &color, &colour))
-				return 0; /* something went wrong */
-			dc.col[x] = colour;
-			return 1;
-		} else {
+		if(BETWEEN(x, 16, 16 + 215)) { /* 256 color */
+			color.red   = sixd_to_16bit( ((x-16)/36)%6 );
+			color.green = sixd_to_16bit( ((x-16)/6) %6 );
+			color.blue  = sixd_to_16bit( ((x-16)/1) %6 );
+			if(!XftColorAllocValue(xw.dpy, xw.vis,
+						xw.cmap, &color, &ncolor)) {
+				return 1;
+			}
+
+			XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+			dc.col[x] = ncolor;
+			return 0;
+		} else if(BETWEEN(x, 16 + 216, 255)) { /* greyscale */
+			color.red = color.green = color.blue = \
+				    0x0808 + 0x0a0a * (x - (16 + 216));
+			if(!XftColorAllocValue(xw.dpy, xw.vis,
+						xw.cmap, &color, &ncolor)) {
+				return 1;
+			}
+
+			XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+			dc.col[x] = ncolor;
+			return 0;
+		} else { /* system colors */
 			name = colorname[x];
 		}
 	}
-	if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &colour))
-		return 0;
-	dc.col[x] = colour;
-	return 1;
+	if(!XftColorAllocName(xw.dpy, xw.vis, xw.cmap, name, &ncolor))
+		return 1;
+
+	XftColorFree(xw.dpy, xw.vis, xw.cmap, &dc.col[x]);
+	dc.col[x] = ncolor;
+	return 0;
 }
 
 void
@@ -2449,24 +2868,44 @@ xhints(void) {
 	XSizeHints *sizeh = NULL;
 
 	sizeh = XAllocSizeHints();
-	if(xw.isfixed == False) {
-		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;
-	} else {
-		sizeh->flags = PMaxSize | PMinSize;
-		sizeh->min_width = sizeh->max_width = xw.fw;
-		sizeh->min_height = sizeh->max_height = xw.fh;
-	}
 
-	XSetWMProperties(xw.dpy, xw.win, NULL, NULL, NULL, 0, sizeh, &wm, &class);
+	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 == True) {
+		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 *match;
@@ -2476,16 +2915,12 @@ xloadfont(Font *f, FcPattern *pattern) {
 	if(!match)
 		return 1;
 
-	if(!(f->set = FcFontSort(0, match, FcTrue, 0, &result))) {
-		FcPatternDestroy(match);
-		return 1;
-	}
-
 	if(!(f->match = XftFontOpenPattern(xw.dpy, match))) {
 		FcPatternDestroy(match);
 		return 1;
 	}
 
+	f->set = NULL;
 	f->pattern = FcPatternDuplicate(pattern);
 
 	f->ascent = f->match->ascent;
@@ -2500,10 +2935,11 @@ xloadfont(Font *f, FcPattern *pattern) {
 }
 
 void
-xloadfonts(char *fontstr, int fontsize) {
+xloadfonts(char *fontstr, double fontsize) {
 	FcPattern *pattern;
-	FcResult result;
+	FcResult r_sz, r_psz;
 	double fontval;
+	float ceilf(float);
 
 	if(fontstr[0] == '-') {
 		pattern = XftXlfdParse(fontstr, False, False);
@@ -2516,12 +2952,16 @@ xloadfonts(char *fontstr, int fontsize) {
 
 	if(fontsize > 0) {
 		FcPatternDel(pattern, FC_PIXEL_SIZE);
+		FcPatternDel(pattern, FC_SIZE);
 		FcPatternAddDouble(pattern, FC_PIXEL_SIZE, (double)fontsize);
 		usedfontsize = fontsize;
 	} else {
-		result = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
-		if(result == FcResultMatch) {
-			usedfontsize = (int)fontval;
+		r_psz = FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval);
+		r_sz = FcPatternGetDouble(pattern, FC_SIZE, 0, &fontval);
+		if(r_psz == FcResultMatch) {
+			usedfontsize = fontval;
+		} else if(r_sz == FcResultMatch) {
+			usedfontsize = -1;
 		} else {
 			/*
 			 * Default font size is 12, if none given. This is to
@@ -2538,9 +2978,15 @@ xloadfonts(char *fontstr, int fontsize) {
 	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;
+	}
+
 	/* Setting character width and height. */
-	xw.cw = dc.font.width;
-	xw.ch = dc.font.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);
@@ -2560,34 +3006,33 @@ xloadfonts(char *fontstr, int fontsize) {
 	FcPatternDestroy(pattern);
 }
 
+int
+xloadfontset(Font *f) {
+	FcResult result;
+
+	if(!(f->set = FcFontSort(0, f->pattern, FcTrue, 0, &result)))
+		return 1;
+	return 0;
+}
+
 void
-xunloadfonts(void) {
-	int i, ip;
+xunloadfont(Font *f) {
+	XftFontClose(xw.dpy, f->match);
+	FcPatternDestroy(f->pattern);
+	if(f->set)
+		FcFontSetDestroy(f->set);
+}
 
-	/*
-	 * Free the loaded fonts in the font cache. This is done backwards
-	 * from the frccur.
-	 */
-	for(i = 0, ip = frccur; i < frclen; i++, ip--) {
-		if(ip < 0)
-			ip = LEN(frc) - 1;
-		XftFontClose(xw.dpy, frc[ip].font);
-	}
-	frccur = -1;
-	frclen = 0;
+void
+xunloadfonts(void) {
+	/* Free the loaded fonts in the font cache.  */
+	while(frclen > 0)
+		XftFontClose(xw.dpy, frc[--frclen].font);
 
-	XftFontClose(xw.dpy, dc.font.match);
-	FcPatternDestroy(dc.font.pattern);
-	FcFontSetDestroy(dc.font.set);
-	XftFontClose(xw.dpy, dc.bfont.match);
-	FcPatternDestroy(dc.bfont.pattern);
-	FcFontSetDestroy(dc.bfont.set);
-	XftFontClose(xw.dpy, dc.ifont.match);
-	FcPatternDestroy(dc.ifont.pattern);
-	FcFontSetDestroy(dc.ifont.set);
-	XftFontClose(xw.dpy, dc.ibfont.match);
-	FcPatternDestroy(dc.ibfont.pattern);
-	FcFontSetDestroy(dc.ibfont.set);
+	xunloadfont(&dc.font);
+	xunloadfont(&dc.bfont);
+	xunloadfont(&dc.ifont);
+	xunloadfont(&dc.ibfont);
 }
 
 void
@@ -2596,15 +3041,15 @@ xzoom(const Arg *arg) {
 	xloadfonts(usedfont, usedfontsize + arg->i);
 	cresize(0, 0);
 	redraw(0);
+	xhints();
 }
 
 void
 xinit(void) {
-	XSetWindowAttributes attrs;
 	XGCValues gcvalues;
 	Cursor cursor;
 	Window parent;
-	int sw, sh;
+	pid_t thispid = getpid();
 
 	if(!(xw.dpy = XOpenDisplay(NULL)))
 		die("Can't open display\n");
@@ -2623,41 +3068,28 @@ xinit(void) {
 	xloadcols();
 
 	/* adjust fixed window geometry */
-	if(xw.isfixed) {
-		sw = DisplayWidth(xw.dpy, xw.scr);
-		sh = DisplayHeight(xw.dpy, xw.scr);
-		if(xw.fx < 0)
-			xw.fx = sw + xw.fx - xw.fw - 1;
-		if(xw.fy < 0)
-			xw.fy = sh + xw.fy - xw.fh - 1;
-
-		xw.h = xw.fh;
-		xw.w = xw.fw;
-	} else {
-		/* window - default size */
-		xw.h = 2 * borderpx + term.row * xw.ch;
-		xw.w = 2 * borderpx + term.col * xw.cw;
-		xw.fx = 0;
-		xw.fy = 0;
-	}
+	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 += DisplayWidth(xw.dpy, xw.scr) - xw.h - 2;
 
 	/* Events */
-	attrs.background_pixel = dc.col[defaultbg].pixel;
-	attrs.border_pixel = dc.col[defaultbg].pixel;
-	attrs.bit_gravity = NorthWestGravity;
-	attrs.event_mask = FocusChangeMask | KeyPressMask
+	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;
-	attrs.colormap = xw.cmap;
+	xw.attrs.colormap = xw.cmap;
 
 	parent = opt_embed ? strtol(opt_embed, NULL, 0) : \
 			XRootWindow(xw.dpy, xw.scr);
-	xw.win = XCreateWindow(xw.dpy, parent, xw.fx, xw.fy,
+	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
 			xw.w, xw.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
-			xw.vis,
-			CWBackPixel | CWBorderPixel | CWBitGravity | CWEventMask
-			| CWColormap,
-			&attrs);
+			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
+			| CWEventMask | CWColormap, &xw.attrs);
 
 	memset(&gcvalues, 0, sizeof(gcvalues));
 	gcvalues.graphics_exposures = False;
@@ -2672,7 +3104,7 @@ xinit(void) {
 	xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
 
 	/* input methods */
-	if((xw.xim =  XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) {
+	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=");
@@ -2698,61 +3130,91 @@ xinit(void) {
 
 	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, 0);
+	XSync(xw.dpy, False);
 }
 
 void
 xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	int winx = borderpx + x * xw.cw, winy = borderpx + y * xw.ch,
 	    width = charlen * xw.cw, xp, i;
-	int frp, frcflags;
+	int frcflags;
 	int u8fl, u8fblen, u8cblen, doesexist;
 	char *u8c, *u8fs;
-	long u8char;
+	long unicodep;
 	Font *font = &dc.font;
 	FcResult fcres;
 	FcPattern *fcpattern, *fontpattern;
 	FcFontSet *fcsets[] = { NULL };
 	FcCharSet *fccharset;
-	Colour *fg = &dc.col[base.fg], *bg = &dc.col[base.bg],
-		 *temp, revfg, revbg;
+	Color *fg, *bg, *temp, revfg, revbg, truefg, truebg;
 	XRenderColor colfg, colbg;
+	XRectangle r;
+	int oneatatime;
 
 	frcflags = FRC_NORMAL;
 
-	if(base.mode & ATTR_BOLD) {
-		if(BETWEEN(base.fg, 0, 7)) {
-			/* basic system colors */
-			fg = &dc.col[base.fg + 8];
-		} else if(BETWEEN(base.fg, 16, 195)) {
-			/* 256 colors */
-			fg = &dc.col[base.fg + 36];
-		} else if(BETWEEN(base.fg, 232, 251)) {
-			/* greyscale */
-			fg = &dc.col[base.fg + 4];
-		}
-		/*
-		 * Those ranges will not be brightened:
-		 *	8 - 15 – bright system colors
-		 *	196 - 231 – highest 256 color cube
-		 *	252 - 255 – brightest colors in greyscale
-		 */
-		font = &dc.bfont;
-		frcflags = FRC_BOLD;
-	}
-
 	if(base.mode & ATTR_ITALIC) {
+		if(base.fg == defaultfg)
+			base.fg = defaultitalic;
 		font = &dc.ifont;
 		frcflags = FRC_ITALIC;
-	}
-	if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
+	} else if((base.mode & ATTR_ITALIC) && (base.mode & ATTR_BOLD)) {
+		if(base.fg == defaultfg)
+			base.fg = defaultitalic;
 		font = &dc.ibfont;
 		frcflags = FRC_ITALICBOLD;
+	} else if(base.mode & ATTR_UNDERLINE) {
+		if(base.fg == defaultfg)
+			base.fg = defaultunderline;
+	}
+
+	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];
+	}
+
+	if(base.mode & ATTR_BOLD) {
+		/*
+		 * change basic system colors [0-7]
+		 * to bright system colors [8-15]
+		 */
+		if(BETWEEN(base.fg, 0, 7) && !(base.mode & ATTR_FAINT))
+			fg = &dc.col[base.fg + 8];
+
+		if(base.mode & ATTR_ITALIC) {
+			font = &dc.ibfont;
+			frcflags = FRC_ITALICBOLD;
+		} else {
+			font = &dc.bfont;
+			frcflags = FRC_BOLD;
+		}
 	}
 
 	if(IS_SET(MODE_REVERSE)) {
@@ -2763,7 +3225,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 			colfg.green = ~fg->color.green;
 			colfg.blue = ~fg->color.blue;
 			colfg.alpha = fg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg, &revfg);
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colfg,
+					&revfg);
 			fg = &revfg;
 		}
 
@@ -2774,7 +3237,8 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 			colbg.green = ~bg->color.green;
 			colbg.blue = ~bg->color.blue;
 			colbg.alpha = bg->color.alpha;
-			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg, &revbg);
+			XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &colbg,
+					&revbg);
 			bg = &revbg;
 		}
 	}
@@ -2785,6 +3249,20 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		bg = temp;
 	}
 
+	if(base.mode & ATTR_FAINT && !(base.mode & ATTR_BOLD)) {
+		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,
@@ -2802,7 +3280,13 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 	/* Clean up the region we want to draw to. */
 	XftDrawRect(xw.draw, bg, winx, winy, width, xw.ch);
 
-	fcsets[0] = font->set;
+	/* 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);
+
 	for(xp = winx; bytelen > 0;) {
 		/*
 		 * Search for the range in the to be printed string of glyphs
@@ -2813,61 +3297,62 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		u8fs = s;
 		u8fblen = 0;
 		u8fl = 0;
+		oneatatime = font->width != xw.cw;
 		for(;;) {
 			u8c = s;
-			u8cblen = utf8decode(s, &u8char);
+			u8cblen = utf8decode(s, &unicodep, UTF_SIZ);
 			s += u8cblen;
 			bytelen -= u8cblen;
 
-			doesexist = XftCharIndex(xw.dpy, font->match, u8char);
-			if(!doesexist || bytelen <= 0) {
-				if(bytelen <= 0) {
-					if(doesexist) {
-						u8fl++;
-						u8fblen += u8cblen;
-					}
-				}
-
-				if(u8fl > 0) {
-					XftDrawStringUtf8(xw.draw, fg,
-							font->match, xp,
-							winy + font->ascent,
-							(FcChar8 *)u8fs,
-							u8fblen);
-					xp += font->width * u8fl;
-				}
-				break;
+			doesexist = XftCharExists(xw.dpy, font->match, unicodep);
+			if(doesexist) {
+					u8fl++;
+					u8fblen += u8cblen;
+					if(!oneatatime && bytelen > 0)
+							continue;
 			}
 
-			u8fl++;
-			u8fblen += u8cblen;
+			if(u8fl > 0) {
+				XftDrawStringUtf8(xw.draw, fg,
+						font->match, xp,
+						winy + font->ascent,
+						(FcChar8 *)u8fs,
+						u8fblen);
+				xp += xw.cw * u8fl;
+			}
+			break;
 		}
-		if(doesexist)
+		if(doesexist) {
+			if(oneatatime)
+				continue;
 			break;
+		}
 
-		frp = frccur;
 		/* Search the font cache. */
-		for(i = 0; i < frclen; i++, frp--) {
-			if(frp <= 0)
-				frp = LEN(frc) - 1;
-
-			if(frc[frp].c == u8char
-					&& frc[frp].flags == frcflags) {
+		for(i = 0; i < frclen; i++) {
+			if(XftCharExists(xw.dpy, frc[i].font, unicodep)
+					&& frc[i].flags == frcflags) {
 				break;
 			}
 		}
 
 		/* Nothing was found. */
 		if(i >= frclen) {
+			if(!font->set)
+				xloadfontset(font);
+			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, u8char);
+			FcCharSetAddChar(fccharset, unicodep);
 			FcPatternAddCharSet(fcpattern, FC_CHARSET,
 					fccharset);
 			FcPatternAddBool(fcpattern, FC_SCALABLE,
@@ -2881,36 +3366,37 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 					FcTrue, fcpattern, &fcres);
 
 			/*
-			 * Overwrite or create the new cache entry
-			 * entry.
+			 * Overwrite or create the new cache entry.
 			 */
-			frccur++;
-			frclen++;
-			if(frccur >= LEN(frc))
-				frccur = 0;
-			if(frclen > LEN(frc)) {
-				frclen = LEN(frc);
-				XftFontClose(xw.dpy, frc[frccur].font);
+			if(frclen >= LEN(frc)) {
+				frclen = LEN(frc) - 1;
+				XftFontClose(xw.dpy, frc[frclen].font);
 			}
 
-			frc[frccur].font = XftFontOpenPattern(xw.dpy,
+			frc[frclen].font = XftFontOpenPattern(xw.dpy,
 					fontpattern);
-			frc[frccur].c = u8char;
-			frc[frccur].flags = frcflags;
+			frc[frclen].flags = frcflags;
+
+			i = frclen;
+			frclen++;
 
 			FcPatternDestroy(fcpattern);
 			FcCharSetDestroy(fccharset);
-
-			frp = frccur;
 		}
 
-		XftDrawStringUtf8(xw.draw, fg, frc[frp].font,
-				xp, winy + frc[frp].font->ascent,
+		XftDrawStringUtf8(xw.draw, fg, frc[i].font,
+				xp, winy + frc[i].font->ascent,
 				(FcChar8 *)u8c, u8cblen);
 
-		xp += font->width;
+		xp += xw.cw * wcwidth(unicodep);
 	}
 
+	/*
+	 * This is how the loop above actually should be. Why does the
+	 * application have to care about font details?
+	 *
+	 * I have to repeat: Xft and Fontconfig are design failures.
+	 */
 	/*
 	XftDrawStringUtf8(xw.draw, fg, font->set, winx,
 			winy + font->ascent, (FcChar8 *)s, bytelen);
@@ -2920,40 +3406,73 @@ xdraws(char *s, Glyph base, int x, int y, int charlen, int bytelen) {
 		XftDrawRect(xw.draw, fg, winx, winy + font->ascent + 1,
 				width, 1);
 	}
+
+	if(base.mode & ATTR_STRUCK) {
+		XftDrawRect(xw.draw, fg, winx, winy + 2 * font->ascent / 3,
+				width, 1);
+	}
+
+	/* Reset clip to none. */
+	XftDrawSetClip(xw.draw, 0);
 }
 
 void
 xdrawcursor(void) {
 	static int oldx = 0, oldy = 0;
-	int sl;
-	Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs, 0};
+	int sl, width, curx;
+	Glyph g = {{' '}, ATTR_NULL, defaultbg, defaultcs};
 
 	LIMIT(oldx, 0, term.col-1);
 	LIMIT(oldy, 0, term.row-1);
 
-	if(term.line[term.c.y][term.c.x].state & GLYPH_SET)
-		memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
+	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--;
+
+	memcpy(g.c, term.line[term.c.y][term.c.x].c, UTF_SIZ);
 
 	/* remove the old cursor */
-	if(term.line[oldy][oldx].state & GLYPH_SET) {
-		sl = utf8size(term.line[oldy][oldx].c);
-		xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
-				oldy, 1, sl);
-	} else {
-		xtermclear(oldx, oldy, oldx, oldy);
-	}
+	sl = utf8len(term.line[oldy][oldx].c);
+	width = (term.line[oldy][oldx].mode & ATTR_WIDE)? 2 : 1;
+	xdraws(term.line[oldy][oldx].c, term.line[oldy][oldx], oldx,
+			oldy, width, sl);
 
 	/* draw the new one */
 	if(!(IS_SET(MODE_HIDE))) {
-		if(!(xw.state & WIN_FOCUSED))
-			g.bg = defaultucs;
-
-		if(IS_SET(MODE_REVERSE))
-			g.mode |= ATTR_REVERSE, g.fg = defaultcs, g.bg = defaultfg;
+		if(xw.state & WIN_FOCUSED) {
+			if(IS_SET(MODE_REVERSE)) {
+				g.mode |= ATTR_REVERSE;
+				g.fg = defaultcs;
+				g.bg = defaultfg;
+			}
 
-		sl = utf8size(g.c);
-		xdraws(g.c, g, term.c.x, term.c.y, 1, sl);
-		oldx = term.c.x, oldy = term.c.y;
+			sl = utf8len(g.c);
+			width = (term.line[term.c.y][curx].mode & ATTR_WIDE)\
+				? 2 : 1;
+			xdraws(g.c, g, term.c.x, term.c.y, width, sl);
+		} else {
+			XftDrawRect(xw.draw, &dc.col[defaultcs],
+					borderpx + curx * xw.cw,
+					borderpx + term.c.y * xw.ch,
+					xw.cw - 1, 1);
+			XftDrawRect(xw.draw, &dc.col[defaultcs],
+					borderpx + curx * xw.cw,
+					borderpx + term.c.y * xw.ch,
+					1, xw.ch - 1);
+			XftDrawRect(xw.draw, &dc.col[defaultcs],
+					borderpx + (curx + 1) * xw.cw - 1,
+					borderpx + term.c.y * xw.ch,
+					1, xw.ch - 1);
+			XftDrawRect(xw.draw, &dc.col[defaultcs],
+					borderpx + curx * xw.cw,
+					borderpx + (term.c.y + 1) * xw.ch - 1,
+					xw.cw, 1);
+		}
+		oldx = curx, oldy = term.c.y;
 	}
 }
 
@@ -2965,6 +3484,8 @@ xsettitle(char *p) {
 	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
@@ -3000,10 +3521,8 @@ drawregion(int x1, int y1, int x2, int y2) {
 	int ic, ib, x, y, ox, sl;
 	Glyph base, new;
 	char buf[DRAW_BUF_SIZ];
-	bool ena_sel = sel.bx != -1;
-
-	if(sel.alt ^ IS_SET(MODE_ALTSCREEN))
-		ena_sel = 0;
+	bool ena_sel = sel.ob.x != -1 && sel.alt == IS_SET(MODE_ALTSCREEN);
+	long unicodep;
 
 	if(!(xw.state & WIN_VISIBLE))
 		return;
@@ -3018,25 +3537,24 @@ drawregion(int x1, int y1, int x2, int y2) {
 		ic = ib = ox = 0;
 		for(x = x1; x < x2; x++) {
 			new = term.line[y][x];
-			if(ena_sel && *(new.c) && selected(x, y))
+			if(new.mode == ATTR_WDUMMY)
+				continue;
+			if(ena_sel && selected(x, y))
 				new.mode ^= ATTR_REVERSE;
-			if(ib > 0 && (!(new.state & GLYPH_SET)
-					|| ATTRCMP(base, new)
+			if(ib > 0 && (ATTRCMP(base, new)
 					|| ib >= DRAW_BUF_SIZ-UTF_SIZ)) {
 				xdraws(buf, base, ox, y, ic, ib);
 				ic = ib = 0;
 			}
-			if(new.state & GLYPH_SET) {
-				if(ib == 0) {
-					ox = x;
-					base = new;
-				}
-
-				sl = utf8size(new.c);
-				memcpy(buf+ib, new.c, sl);
-				ib += sl;
-				++ic;
+			if(ib == 0) {
+				ox = x;
+				base = new;
 			}
+
+			sl = utf8decode(new.c, &unicodep, UTF_SIZ);
+			memcpy(buf+ib, new.c, sl);
+			ib += sl;
+			ic += (new.mode & ATTR_WIDE)? 2 : 1;
 		}
 		if(ib > 0)
 			xdraws(buf, base, ox, y, ic, ib);
@@ -3072,11 +3590,17 @@ 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);
 
-	h->flags = add ? (h->flags | XUrgencyHint) : (h->flags & ~XUrgencyHint);
+	MODBIT(h->flags, add, XUrgencyHint);
 	XSetWMHints(xw.dpy, xw.win, h);
 	XFree(h);
 }
@@ -3092,23 +3616,19 @@ focus(XEvent *ev) {
 		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);
 	}
 }
 
-inline bool
+static inline bool
 match(uint mask, uint state) {
-	state &= ~(ignoremod);
-
-	if(mask == XK_NO_MOD && state)
-		return false;
-	if(mask != XK_ANY_MOD && mask != XK_NO_MOD && !state)
-		return false;
-	if((state & mask) != state)
-		return false;
-	return true;
+	return mask == XK_ANY_MOD || mask == (state & ~ignoremod);
 }
 
 void
@@ -3118,7 +3638,6 @@ numlock(const Arg *dummy) {
 
 char*
 kmap(KeySym k, uint state) {
-	uint mask;
 	Key *kp;
 	int i;
 
@@ -3133,33 +3652,22 @@ kmap(KeySym k, uint state) {
 	}
 
 	for(kp = key; kp < key + LEN(key); kp++) {
-		mask = kp->mask;
-
 		if(kp->k != k)
 			continue;
 
-		if(!match(mask, state))
+		if(!match(kp->mask, state))
 			continue;
 
-		if(kp->appkey > 0) {
-			if(!IS_SET(MODE_APPKEYPAD))
-				continue;
-			if(term.numlock && kp->appkey == 2)
-				continue;
-		} else if(kp->appkey < 0 && IS_SET(MODE_APPKEYPAD)) {
+		if(IS_SET(MODE_APPKEYPAD) ? kp->appkey < 0 : kp->appkey > 0)
+			continue;
+		if(term.numlock && kp->appkey == 2)
 			continue;
-		}
 
-		if((kp->appcursor < 0 && IS_SET(MODE_APPCURSOR)) ||
-				(kp->appcursor > 0
-				 && !IS_SET(MODE_APPCURSOR))) {
+		if(IS_SET(MODE_APPCURSOR) ? kp->appcursor < 0 : kp->appcursor > 0)
 			continue;
-		}
 
-		if((kp->crlf < 0 && IS_SET(MODE_CRLF)) ||
-				(kp->crlf > 0 && !IS_SET(MODE_CRLF))) {
+		if(IS_SET(MODE_CRLF) ? kp->crlf < 0 : kp->crlf > 0)
 			continue;
-		}
 
 		return kp->s;
 	}
@@ -3171,16 +3679,16 @@ void
 kpress(XEvent *ev) {
 	XKeyEvent *e = &ev->xkey;
 	KeySym ksym;
-	char xstr[31], buf[32], *customkey, *cp = buf;
+	char buf[32], *customkey;
 	int len;
+	long c;
 	Status status;
 	Shortcut *bp;
 
 	if(IS_SET(MODE_KBDLOCK))
 		return;
 
-	len = XmbLookupString(xw.xic, e, xstr, sizeof(xstr), &ksym, &status);
-	e->state &= ~Mod2Mask;
+	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)) {
@@ -3191,23 +3699,26 @@ kpress(XEvent *ev) {
 
 	/* 2. custom keys from config.h */
 	if((customkey = kmap(ksym, e->state))) {
-		len = strlen(customkey);
-		memcpy(buf, customkey, len);
-	/* 2. hardcoded (overrides X lookup) */
-	} else {
-		if(len == 0)
-			return;
-
-		if(len == 1 && e->state & Mod1Mask)
-			*cp++ = '\033';
-
-		memcpy(cp, xstr, len);
-		len = cp - buf + len;
+		ttysend(customkey, strlen(customkey));
+		return;
 	}
 
-	ttywrite(buf, len);
-	if(IS_SET(MODE_ECHO))
-		techo(buf, len);
+	/* 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, UTF_SIZ);
+			}
+		} else {
+			buf[1] = buf[0];
+			buf[0] = '\033';
+			len = 2;
+		}
+	}
+	ttysend(buf, len);
 }
 
 
@@ -3259,35 +3770,73 @@ resize(XEvent *e) {
 void
 run(void) {
 	XEvent ev;
+	int w = xw.w, h = xw.h;
 	fd_set rfd;
-	int xfd = XConnectionNumber(xw.dpy), xev;
-	struct timeval drawtimeout, *tv = NULL, now, last;
+	int xfd = XConnectionNumber(xw.dpy), xev, blinkset = 0, dodraw = 0;
+	struct timespec drawtimeout, *tv = NULL, now, last, lastblink;
+	long deltatime;
+
+	/* Waiting for window mapping */
+	while(1) {
+		XNextEvent(xw.dpy, &ev);
+		if(XFilterEvent(&ev, None))
+			continue;
+		if(ev.type == ConfigureNotify) {
+			w = ev.xconfigure.width;
+			h = ev.xconfigure.height;
+		} else if(ev.type == MapNotify) {
+			break;
+		}
+	}
 
-	gettimeofday(&last, NULL);
+	ttynew();
+	cresize(w, h);
+
+	clock_gettime(CLOCK_MONOTONIC, &last);
+	lastblink = last;
 
 	for(xev = actionfps;;) {
 		FD_ZERO(&rfd);
 		FD_SET(cmdfd, &rfd);
 		FD_SET(xfd, &rfd);
-		if(select(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv) < 0) {
+
+		if(pselect(MAX(xfd, cmdfd)+1, &rfd, NULL, NULL, tv, NULL) < 0) {
 			if(errno == EINTR)
 				continue;
-			die("select failed: %s\n", SERRNO);
+			die("select failed: %s\n", strerror(errno));
 		}
-
-		gettimeofday(&now, NULL);
-		drawtimeout.tv_sec = 0;
-		drawtimeout.tv_usec = (1000/xfps) * 1000;
-		tv = &drawtimeout;
-
-		if(FD_ISSET(cmdfd, &rfd))
+		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;
 
-		if(TIMEDIFF(now, last) > \
-				(xev ? (1000/xfps) : (1000/actionfps))) {
+		clock_gettime(CLOCK_MONOTONIC, &now);
+		drawtimeout.tv_sec = 0;
+		drawtimeout.tv_nsec = (1000/xfps) * 1E6;
+		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 > (xev? (1000/xfps) : (1000/actionfps))
+				|| deltatime < 0) {
+			dodraw = 1;
+			last = now;
+		}
+
+		if(dodraw) {
 			while(XPending(xw.dpy)) {
 				XNextEvent(xw.dpy, &ev);
 				if(XFilterEvent(&ev, None))
@@ -3298,84 +3847,89 @@ run(void) {
 
 			draw();
 			XFlush(xw.dpy);
-			last = now;
 
 			if(xev && !FD_ISSET(xfd, &rfd))
 				xev--;
-			if(!FD_ISSET(cmdfd, &rfd) && !FD_ISSET(xfd, &rfd))
-				tv = NULL;
+			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)));
+					}
+				} else {
+					tv = NULL;
+				}
+			}
 		}
 	}
 }
 
+void
+usage(void) {
+	die("%s " VERSION " (c) 2010-2014 st engineers\n" \
+	"usage: st [-a] [-v] [-c class] [-f font] [-g geometry] [-o file]" \
+	" [-t title] [-w windowid] [-e command ...]\n", argv0);
+}
+
 int
 main(int argc, char *argv[]) {
-	int i, bitm, xr, yr;
-	uint wr, hr;
+	char *titles;
+	uint cols = 80, rows = 24;
 
-	xw.fw = xw.fh = xw.fx = xw.fy = 0;
+	xw.l = xw.t = 0;
 	xw.isfixed = False;
 
-	for(i = 1; i < argc; i++) {
-		switch(argv[i][0] != '-' || argv[i][2] ? -1 : argv[i][1]) {
-		case 'c':
-			if(++i < argc)
-				opt_class = argv[i];
-			break;
-		case 'e':
-			/* eat all remaining arguments */
-			if(++i < argc)
-				opt_cmd = &argv[i];
-			goto run;
-		case 'f':
-			if(++i < argc)
-				opt_font = argv[i];
-			break;
-		case 'g':
-			if(++i >= argc)
-				break;
-
-			bitm = XParseGeometry(argv[i], &xr, &yr, &wr, &hr);
-			if(bitm & XValue)
-				xw.fx = xr;
-			if(bitm & YValue)
-				xw.fy = yr;
-			if(bitm & WidthValue)
-				xw.fw = (int)wr;
-			if(bitm & HeightValue)
-				xw.fh = (int)hr;
-			if(bitm & XNegative && xw.fx == 0)
-				xw.fx = -1;
-			if(bitm & XNegative && xw.fy == 0)
-				xw.fy = -1;
-
-			if(xw.fh != 0 && xw.fw != 0)
-				xw.isfixed = True;
-			break;
-		case 'o':
-			if(++i < argc)
-				opt_io = argv[i];
-			break;
-		case 't':
-			if(++i < argc)
-				opt_title = argv[i];
-			break;
-		case 'v':
-		default:
-			die(USAGE);
-		case 'w':
-			if(++i < argc)
-				opt_embed = argv[i];
-			break;
+	ARGBEGIN {
+	case 'a':
+		allowaltscreen = false;
+		break;
+	case 'c':
+		opt_class = EARGF(usage());
+		break;
+	case 'e':
+		/* eat all remaining arguments */
+		if(argc > 1) {
+			opt_cmd = &argv[1];
+			if(argv[1] != NULL && opt_title == NULL) {
+				titles = xstrdup(argv[1]);
+				opt_title = basename(titles);
+			}
 		}
-	}
+		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 = True;
+		break;
+	case 'o':
+		opt_io = EARGF(usage());
+		break;
+	case 't':
+		opt_title = EARGF(usage());
+		break;
+	case 'w':
+		opt_embed = EARGF(usage());
+		break;
+	case 'v':
+	default:
+		usage();
+	} ARGEND;
 
 run:
 	setlocale(LC_CTYPE, "");
 	XSetLocaleModifiers("");
-	tnew(80, 24);
+	tnew(cols? cols : 1, rows? rows : 1);
 	xinit();
-	ttynew();
 	selinit();
 	run();