FAQ

@@ -29,8 +29,8 @@ you can manually run `tic -sx st.info`.
 
 ## I would like to have utmp and/or scroll functionality by default
 
-You can add the absolute path of both programs in your config.h file. You only
+You can add the absolute patch of both programs in your config.h
-have to modify the value of utmp and scroll variables.
+file. You only have to modify the value of utmp and scroll variables.
 
 
 ## Why doesn't the Del key work in some programs?
@@ -248,6 +248,3 @@ fonts:
 
 Please don't bother reporting this bug to st, but notify the upstream Xft
 developers about fixing this bug.
-
-As of 2022-09-05 this now seems to be finally fixed in libXft 2.3.5:
-https://gitlab.freedesktop.org/xorg/lib/libxft/-/blob/libXft-2.3.5/NEWS

LICENSE

@@ -1,6 +1,6 @@
 MIT/X Consortium License
 
-© 2014-2022 Hiltjo Posthuma <hiltjo at codemadness dot org>
+© 2014-2020 Hiltjo Posthuma <hiltjo at codemadness dot org>
 © 2018 Devin J. Pohly <djpohly at gmail dot com>
 © 2014-2017 Quentin Rameau <quinq at fifth dot space>
 © 2009-2012 Aurélien APTEL <aurelien dot aptel at gmail dot com>

Makefile

@@ -7,7 +7,13 @@ include config.mk
 SRC = st.c x.c
 OBJ = $(SRC:.c=.o)
 
-all: st
+all: options st
+
+options:
+	@echo st build options:
+	@echo "CFLAGS  = $(STCFLAGS)"
+	@echo "LDFLAGS = $(STLDFLAGS)"
+	@echo "CC      = $(CC)"
 
 config.h:
 	cp config.def.h config.h
@@ -48,4 +54,4 @@ uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/st
 	rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
 
-.PHONY: all clean dist install uninstall
+.PHONY: all options clean dist install uninstall

config.def.h

@@ -53,7 +53,7 @@ int allowwindowops = 0;
  * near minlatency, but it waits longer for slow updates to avoid partial draw.
  * low minlatency will tear/flicker more, as it can "detect" idle too early.
  */
-static double minlatency = 2;
+static double minlatency = 8;
 static double maxlatency = 33;
 
 /*
@@ -120,8 +120,6 @@ static const char *colorname[] = {
 	/* more colors can be added after 255 to use with DefaultXX */
 	"#cccccc",
 	"#555555",
-	"gray90", /* default foreground colour */
-	"black", /* default background colour */
 };
 
 
@@ -129,9 +127,9 @@ static const char *colorname[] = {
  * Default colors (colorname index)
  * foreground, background, cursor, reverse cursor
  */
-unsigned int defaultfg = 258;
+unsigned int defaultfg = 7;
-unsigned int defaultbg = 259;
+unsigned int defaultbg = 0;
-unsigned int defaultcs = 256;
+static unsigned int defaultcs = 256;
 static unsigned int defaultrcs = 257;
 
 /*

config.mk

@@ -1,5 +1,5 @@
 # st version
-VERSION = 0.9.2
+VERSION = 0.8.4
 
 # Customize below to fit your system
 
@@ -30,7 +30,6 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
 #LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
 #       `$(PKG_CONFIG) --libs fontconfig` \
 #       `$(PKG_CONFIG) --libs freetype2`
-#MANPREFIX = ${PREFIX}/man
 
 # compiler and linker
 # CC = c99

st.c

@@ -161,7 +161,6 @@ static void csidump(void);
 static void csihandle(void);
 static void csiparse(void);
 static void csireset(void);
-static void osc_color_response(int, int, int);
 static int eschandle(uchar);
 static void strdump(void);
 static void strhandle(void);
@@ -187,18 +186,18 @@ static void tputc(Rune);
 static void treset(void);
 static void tscrollup(int, int);
 static void tscrolldown(int, int);
-static void tsetattr(const int *, int);
+static void tsetattr(int *, int);
-static void tsetchar(Rune, const Glyph *, int, int);
+static void tsetchar(Rune, Glyph *, int, int);
 static void tsetdirt(int, int);
 static void tsetscroll(int, int);
 static void tswapscreen(void);
-static void tsetmode(int, int, const int *, int);
+static void tsetmode(int, int, int *, int);
 static int twrite(const char *, int, int);
 static void tfulldirt(void);
 static void tcontrolcode(uchar );
 static void tdectest(char );
 static void tdefutf8(char);
-static int32_t tdefcolor(const int *, int *, int);
+static int32_t tdefcolor(int *, int *, int);
 static void tdeftran(char);
 static void tstrsequence(uchar);
 
@@ -227,10 +226,10 @@ static int iofd = 1;
 static int cmdfd;
 static pid_t pid;
 
-static const uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
+static uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
-static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
+static uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
-static const Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
+static Rune utfmin[UTF_SIZ + 1] = {       0,    0,  0x80,  0x800,  0x10000};
-static const Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
+static Rune utfmax[UTF_SIZ + 1] = {0x10FFFF, 0x7F, 0x7FF, 0xFFFF, 0x10FFFF};
 
 ssize_t
 xwrite(int fd, const char *s, size_t len)
@@ -270,14 +269,12 @@ xrealloc(void *p, size_t len)
 }
 
 char *
-xstrdup(const char *s)
+xstrdup(char *s)
 {
-	char *p;
+	if ((s = strdup(s)) == NULL)
-
-	if ((p = strdup(s)) == NULL)
 		die("strdup: %s\n", strerror(errno));
 
-	return p;
+	return s;
 }
 
 size_t
@@ -350,10 +347,25 @@ utf8validate(Rune *u, size_t i)
 	return i;
 }
 
+static const char base64_digits[] = {
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 62, 0, 0, 0,
+	63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 0, 0, 0, -1, 0, 0, 0, 0, 1,
+	2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+	22, 23, 24, 25, 0, 0, 0, 0, 0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34,
+	35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+	0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+};
+
 char
 base64dec_getc(const char **src)
 {
-	while (**src && !isprint((unsigned char)**src))
+	while (**src && !isprint(**src))
 		(*src)++;
 	return **src ? *((*src)++) : '=';  /* emulate padding if string ends */
 }
@@ -363,13 +375,6 @@ base64dec(const char *src)
 {
 	size_t in_len = strlen(src);
 	char *result, *dst;
-	static const char base64_digits[256] = {
-		[43] = 62, 0, 0, 0, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61,
-		0, 0, 0, -1, 0, 0, 0, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12,
-		13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 0, 0, 0, 0,
-		0, 0, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39,
-		40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51
-	};
 
 	if (in_len % 4)
 		in_len += 4 - (in_len % 4);
@@ -513,7 +518,7 @@ selsnap(int *x, int *y, int direction)
 {
 	int newx, newy, xt, yt;
 	int delim, prevdelim;
-	const Glyph *gp, *prevgp;
+	Glyph *gp, *prevgp;
 
 	switch (sel.snap) {
 	case SNAP_WORD:
@@ -586,7 +591,7 @@ getsel(void)
 {
 	char *str, *ptr;
 	int y, bufsize, lastx, linelen;
-	const Glyph *gp, *last;
+	Glyph *gp, *last;
 
 	if (sel.ob.x == -1)
 		return NULL;
@@ -753,7 +758,7 @@ stty(char **args)
 }
 
 int
-ttynew(const char *line, char *cmd, const char *out, char **args)
+ttynew(char *line, char *cmd, char *out, char **args)
 {
 	int m, s;
 
@@ -786,15 +791,14 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 		break;
 	case 0:
 		close(iofd);
-		close(m);
 		setsid(); /* create a new process group */
 		dup2(s, 0);
 		dup2(s, 1);
 		dup2(s, 2);
 		if (ioctl(s, TIOCSCTTY, NULL) < 0)
 			die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
-		if (s > 2)
+		close(s);
-			close(s);
+		close(m);
 #ifdef __OpenBSD__
 		if (pledge("stdio getpw proc exec", NULL) == -1)
 			die("pledge\n");
@@ -939,7 +943,7 @@ ttyresize(int tw, int th)
 }
 
 void
-ttyhangup(void)
+ttyhangup()
 {
 	/* Send SIGHUP to shell */
 	kill(pid, SIGHUP);
@@ -1097,7 +1101,7 @@ tscrollup(int orig, int n)
 void
 selscroll(int orig, int n)
 {
-	if (sel.ob.x == -1 || sel.alt != IS_SET(MODE_ALTSCREEN))
+	if (sel.ob.x == -1)
 		return;
 
 	if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
@@ -1132,7 +1136,6 @@ csiparse(void)
 {
 	char *p = csiescseq.buf, *np;
 	long int v;
-	int sep = ';'; /* colon or semi-colon, but not both */
 
 	csiescseq.narg = 0;
 	if (*p == '?') {
@@ -1150,9 +1153,7 @@ csiparse(void)
 			v = -1;
 		csiescseq.arg[csiescseq.narg++] = v;
 		p = np;
-		if (sep == ';' && *p == ':')
+		if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
-			sep = ':'; /* allow override to colon once */
-		if (*p != sep || csiescseq.narg == ESC_ARG_SIZ)
 			break;
 		p++;
 	}
@@ -1185,9 +1186,9 @@ tmoveto(int x, int y)
 }
 
 void
-tsetchar(Rune u, const Glyph *attr, int x, int y)
+tsetchar(Rune u, Glyph *attr, int x, int y)
 {
-	static const char *vt100_0[62] = { /* 0x41 - 0x7e */
+	static char *vt100_0[62] = { /* 0x41 - 0x7e */
 		"↑", "↓", "→", "←", "█", "▚", "☃", /* A - G */
 		0, 0, 0, 0, 0, 0, 0, 0, /* H - O */
 		0, 0, 0, 0, 0, 0, 0, 0, /* P - W */
@@ -1299,7 +1300,7 @@ tdeleteline(int n)
 }
 
 int32_t
-tdefcolor(const int *attr, int *npar, int l)
+tdefcolor(int *attr, int *npar, int l)
 {
 	int32_t idx = -1;
 	uint r, g, b;
@@ -1349,7 +1350,7 @@ tdefcolor(const int *attr, int *npar, int l)
 }
 
 void
-tsetattr(const int *attr, int l)
+tsetattr(int *attr, int l)
 {
 	int i;
 	int32_t idx;
@@ -1467,9 +1468,9 @@ tsetscroll(int t, int b)
 }
 
 void
-tsetmode(int priv, int set, const int *args, int narg)
+tsetmode(int priv, int set, int *args, int narg)
 {
-	int alt; const int *lim;
+	int alt, *lim;
 
 	for (lim = args + narg; args < lim; ++args) {
 		if (priv) {
@@ -1646,7 +1647,7 @@ csihandle(void)
 			ttywrite(vtiden, strlen(vtiden), 0);
 		break;
 	case 'b': /* REP -- if last char is printable print it <n> more times */
-		LIMIT(csiescseq.arg[0], 1, 65535);
+		DEFAULT(csiescseq.arg[0], 1);
 		if (term.lastc)
 			while (csiescseq.arg[0]-- > 0)
 				tputc(term.lastc);
@@ -1731,7 +1732,6 @@ csihandle(void)
 		}
 		break;
 	case 'S': /* SU -- Scroll <n> line up */
-		if (csiescseq.priv) break;
 		DEFAULT(csiescseq.arg[0], 1);
 		tscrollup(term.top, csiescseq.arg[0]);
 		break;
@@ -1773,18 +1773,11 @@ csihandle(void)
 	case 'm': /* SGR -- Terminal attribute (color) */
 		tsetattr(csiescseq.arg, csiescseq.narg);
 		break;
-	case 'n': /* DSR -- Device Status Report */
+	case 'n': /* DSR – Device Status Report (cursor position) */
-		switch (csiescseq.arg[0]) {
+		if (csiescseq.arg[0] == 6) {
-		case 5: /* Status Report "OK" `0n` */
-			ttywrite("\033[0n", sizeof("\033[0n") - 1, 0);
-			break;
-		case 6: /* Report Cursor Position (CPR) "<row>;<column>R" */
 			len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
-			               term.c.y+1, term.c.x+1);
+					term.c.y+1, term.c.x+1);
 			ttywrite(buf, len, 0);
-			break;
-		default:
-			goto unknown;
 		}
 		break;
 	case 'r': /* DECSTBM -- Set Scrolling Region */
@@ -1846,41 +1839,11 @@ csireset(void)
 	memset(&csiescseq, 0, sizeof(csiescseq));
 }
 
-void
-osc_color_response(int num, int index, int is_osc4)
-{
-	int n;
-	char buf[32];
-	unsigned char r, g, b;
-
-	if (xgetcolor(is_osc4 ? num : index, &r, &g, &b)) {
-		fprintf(stderr, "erresc: failed to fetch %s color %d\n",
-		        is_osc4 ? "osc4" : "osc",
-		        is_osc4 ? num : index);
-		return;
-	}
-
-	n = snprintf(buf, sizeof buf, "\033]%s%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
-	             is_osc4 ? "4;" : "", num, r, r, g, g, b, b);
-	if (n < 0 || n >= sizeof(buf)) {
-		fprintf(stderr, "error: %s while printing %s response\n",
-		        n < 0 ? "snprintf failed" : "truncation occurred",
-		        is_osc4 ? "osc4" : "osc");
-	} else {
-		ttywrite(buf, n, 1);
-	}
-}
-
 void
 strhandle(void)
 {
 	char *p = NULL, *dec;
 	int j, narg, par;
-	const struct { int idx; char *str; } osc_table[] = {
-		{ defaultfg, "foreground" },
-		{ defaultbg, "background" },
-		{ defaultcs, "cursor" }
-	};
 
 	term.esc &= ~(ESC_STR_END|ESC_STR);
 	strparse();
@@ -1890,15 +1853,7 @@ strhandle(void)
 	case ']': /* OSC -- Operating System Command */
 		switch (par) {
 		case 0:
-			if (narg > 1) {
-				xsettitle(strescseq.args[1]);
-				xseticontitle(strescseq.args[1]);
-			}
-			return;
 		case 1:
-			if (narg > 1)
-				xseticontitle(strescseq.args[1]);
-			return;
 		case 2:
 			if (narg > 1)
 				xsettitle(strescseq.args[1]);
@@ -1914,39 +1869,16 @@ strhandle(void)
 				}
 			}
 			return;
-		case 10:
-		case 11:
-		case 12:
-			if (narg < 2)
-				break;
-			p = strescseq.args[1];
-			if ((j = par - 10) < 0 || j >= LEN(osc_table))
-				break; /* shouldn't be possible */
-
-			if (!strcmp(p, "?")) {
-				osc_color_response(par, osc_table[j].idx, 0);
-			} else if (xsetcolorname(osc_table[j].idx, p)) {
-				fprintf(stderr, "erresc: invalid %s color: %s\n",
-				        osc_table[j].str, p);
-			} else {
-				tfulldirt();
-			}
-			return;
 		case 4: /* color set */
 			if (narg < 3)
 				break;
 			p = strescseq.args[2];
 			/* FALLTHROUGH */
-		case 104: /* color reset */
+		case 104: /* color reset, here p = NULL */
 			j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
-
+			if (xsetcolorname(j, p)) {
-			if (p && !strcmp(p, "?")) {
+				if (par == 104 && narg <= 1)
-				osc_color_response(j, 0, 1);
-			} else if (xsetcolorname(j, p)) {
-				if (par == 104 && narg <= 1) {
-					xloadcols();
 					return; /* color reset without parameter */
-				}
 				fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
 				        j, p ? p : "(null)");
 			} else {
@@ -1954,7 +1886,7 @@ strhandle(void)
 				 * TODO if defaultbg color is changed, borders
 				 * are dirty
 				 */
-				tfulldirt();
+				redraw();
 			}
 			return;
 		}
@@ -2080,7 +2012,7 @@ void
 tdumpline(int n)
 {
 	char buf[UTF_SIZ];
-	const Glyph *bp, *end;
+	Glyph *bp, *end;
 
 	bp = &term.line[n][0];
 	end = &bp[MIN(tlinelen(n), term.col) - 1];
@@ -2334,7 +2266,6 @@ eschandle(uchar ascii)
 		treset();
 		resettitle();
 		xloadcols();
-		xsetmode(0, MODE_HIDE);
 		break;
 	case '=': /* DECPAM -- Application keypad */
 		xsetmode(1, MODE_APPKEYPAD);
@@ -2427,9 +2358,6 @@ check_control_code:
 	 * they must not cause conflicts with sequences.
 	 */
 	if (control) {
-		/* in UTF-8 mode ignore handling C1 control characters */
-		if (IS_SET(MODE_UTF8) && ISCONTROLC1(u))
-			return;
 		tcontrolcode(u);
 		/*
 		 * control codes are not shown ever
@@ -2476,16 +2404,11 @@ check_control_code:
 		gp = &term.line[term.c.y][term.c.x];
 	}
 
-	if (IS_SET(MODE_INSERT) && term.c.x+width < term.col) {
+	if (IS_SET(MODE_INSERT) && term.c.x+width < term.col)
 		memmove(gp+width, gp, (term.col - term.c.x - width) * sizeof(Glyph));
-		gp->mode &= ~ATTR_WIDE;
-	}
 
 	if (term.c.x+width > term.col) {
-		if (IS_SET(MODE_WRAP))
+		tnewline(1);
-			tnewline(1);
-		else
-			tmoveto(term.col - width, term.c.y);
 		gp = &term.line[term.c.y][term.c.x];
 	}
 
@@ -2495,10 +2418,6 @@ check_control_code:
 	if (width == 2) {
 		gp->mode |= ATTR_WIDE;
 		if (term.c.x+1 < term.col) {
-			if (gp[1].mode == ATTR_WIDE && term.c.x+2 < term.col) {
-				gp[2].u = ' ';
-				gp[2].mode &= ~ATTR_WDUMMY;
-			}
 			gp[1].u = '\0';
 			gp[1].mode = ATTR_WDUMMY;
 		}

st.h

@@ -91,7 +91,7 @@ void tnew(int, int);
 void tresize(int, int);
 void tsetdirtattr(int);
 void ttyhangup(void);
-int ttynew(const char *, char *, const char *, char **);
+int ttynew(char *, char *, char *, char **);
 size_t ttyread(void);
 void ttyresize(int, int);
 void ttywrite(const char *, size_t, int);
@@ -109,7 +109,7 @@ size_t utf8encode(Rune, char *);
 
 void *xmalloc(size_t);
 void *xrealloc(void *, size_t);
-char *xstrdup(const char *);
+char *xstrdup(char *);
 
 /* config.h globals */
 extern char *utmp;
@@ -123,4 +123,3 @@ extern char *termname;
 extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
-extern unsigned int defaultcs;

st.info

@@ -184,10 +184,6 @@ st-mono| simpleterm monocolor,
 # XTerm extensions
 	rmxx=\E[29m,
 	smxx=\E[9m,
-	BE=\E[?2004h,
-	BD=\E[?2004l,
-	PS=\E[200~,
-	PE=\E[201~,
 # disabled rep for now: causes some issues with older ncurses versions.
 #	rep=%p1%c\E[%p2%{1}%-%db,
 # tmux extensions, see TERMINFO EXTENSIONS in tmux(1)

win.h

@@ -30,8 +30,6 @@ void xdrawline(Line, int, int, int);
 void xfinishdraw(void);
 void xloadcols(void);
 int xsetcolorname(int, const char *);
-int xgetcolor(int, unsigned char *, unsigned char *, unsigned char *);
-void xseticontitle(char *);
 void xsettitle(char *);
 int xsetcursor(int);
 void xsetmode(int, unsigned int);

x.c

@@ -48,7 +48,7 @@ typedef struct {
 /* X modifiers */
 #define XK_ANY_MOD    UINT_MAX
 #define XK_NO_MOD     0
-#define XK_SWITCH_MOD (1<<13|1<<14)
+#define XK_SWITCH_MOD (1<<13)
 
 /* function definitions used in config.h */
 static void clipcopy(const Arg *);
@@ -93,7 +93,7 @@ typedef struct {
 	Window win;
 	Drawable buf;
 	GlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-	Atom xembed, wmdeletewin, netwmname, netwmiconname, netwmpid;
+	Atom xembed, wmdeletewin, netwmname, netwmpid;
 	struct {
 		XIM xim;
 		XIC xic;
@@ -156,7 +156,7 @@ static void xresize(int, int);
 static void xhints(void);
 static int xloadcolor(int, const char *, Color *);
 static int xloadfont(Font *, FcPattern *);
-static void xloadfonts(const char *, double);
+static void xloadfonts(char *, double);
 static void xunloadfont(Font *);
 static void xunloadfonts(void);
 static void xsetenv(void);
@@ -252,7 +252,7 @@ static char *opt_line  = NULL;
 static char *opt_name  = NULL;
 static char *opt_title = NULL;
 
-static uint buttons; /* bit field of pressed buttons */
+static int oldbutton = 3; /* button event on startup: 3 = release */
 
 void
 clipcopy(const Arg *dummy)
@@ -364,68 +364,59 @@ mousesel(XEvent *e, int done)
 void
 mousereport(XEvent *e)
 {
-	int len, btn, code;
+	int len, x = evcol(e), y = evrow(e),
-	int x = evcol(e), y = evrow(e);
+	    button = e->xbutton.button, state = e->xbutton.state;
-	int state = e->xbutton.state;
 	char buf[40];
 	static int ox, oy;
 
-	if (e->type == MotionNotify) {
+	/* from urxvt */
+	if (e->xbutton.type == MotionNotify) {
 		if (x == ox && y == oy)
 			return;
 		if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
 			return;
-		/* MODE_MOUSEMOTION: no reporting if no button is pressed */
+		/* MOUSE_MOTION: no reporting if no button is pressed */
-		if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
+		if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
 			return;
-		/* Set btn to lowest-numbered pressed button, or 12 if no
+
-		 * buttons are pressed. */
+		button = oldbutton + 32;
-		for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
+		ox = x;
-			;
+		oy = y;
-		code = 32;
 	} else {
-		btn = e->xbutton.button;
+		if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
-		/* Only buttons 1 through 11 can be encoded */
+			button = 3;
-		if (btn < 1 || btn > 11)
+		} else {
-			return;
+			button -= Button1;
-		if (e->type == ButtonRelease) {
+			if (button >= 3)
+				button += 64 - 3;
+		}
+		if (e->xbutton.type == ButtonPress) {
+			oldbutton = button;
+			ox = x;
+			oy = y;
+		} else if (e->xbutton.type == ButtonRelease) {
+			oldbutton = 3;
 			/* MODE_MOUSEX10: no button release reporting */
 			if (IS_SET(MODE_MOUSEX10))
 				return;
-			/* Don't send release events for the scroll wheel */
+			if (button == 64 || button == 65)
-			if (btn == 4 || btn == 5)
 				return;
 		}
-		code = 0;
 	}
 
-	ox = x;
-	oy = y;
-
-	/* Encode btn into code. If no button is pressed for a motion event in
-	 * MODE_MOUSEMANY, then encode it as a release. */
-	if ((!IS_SET(MODE_MOUSESGR) && e->type == ButtonRelease) || btn == 12)
-		code += 3;
-	else if (btn >= 8)
-		code += 128 + btn - 8;
-	else if (btn >= 4)
-		code += 64 + btn - 4;
-	else
-		code += btn - 1;
-
 	if (!IS_SET(MODE_MOUSEX10)) {
-		code += ((state & ShiftMask  ) ?  4 : 0)
+		button += ((state & ShiftMask  ) ? 4  : 0)
-		      + ((state & Mod1Mask   ) ?  8 : 0) /* meta key: alt */
+			+ ((state & Mod4Mask   ) ? 8  : 0)
-		      + ((state & ControlMask) ? 16 : 0);
+			+ ((state & ControlMask) ? 16 : 0);
 	}
 
 	if (IS_SET(MODE_MOUSESGR)) {
 		len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
-				code, x+1, y+1,
+				button, x+1, y+1,
-				e->type == ButtonRelease ? 'm' : 'M');
+				e->xbutton.type == ButtonRelease ? 'm' : 'M');
 	} else if (x < 223 && y < 223) {
 		len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
-				32+code, 32+x+1, 32+y+1);
+				32+button, 32+x+1, 32+y+1);
 	} else {
 		return;
 	}
@@ -468,13 +459,9 @@ mouseaction(XEvent *e, uint release)
 void
 bpress(XEvent *e)
 {
-	int btn = e->xbutton.button;
 	struct timespec now;
 	int snap;
 
-	if (1 <= btn && btn <= 11)
-		buttons |= 1 << (btn-1);
-
 	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
 		mousereport(e);
 		return;
@@ -483,7 +470,7 @@ bpress(XEvent *e)
 	if (mouseaction(e, 0))
 		return;
 
-	if (btn == Button1) {
+	if (e->xbutton.button == Button1) {
 		/*
 		 * If the user clicks below predefined timeouts specific
 		 * snapping behaviour is exposed.
@@ -697,11 +684,6 @@ xsetsel(char *str)
 void
 brelease(XEvent *e)
 {
-	int btn = e->xbutton.button;
-
-	if (1 <= btn && btn <= 11)
-		buttons &= ~(1 << (btn-1));
-
 	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
 		mousereport(e);
 		return;
@@ -709,7 +691,7 @@ brelease(XEvent *e)
 
 	if (mouseaction(e, 1))
 		return;
-	if (btn == Button1)
+	if (e->xbutton.button == Button1)
 		mousesel(e, 1);
 }
 
@@ -815,25 +797,12 @@ xloadcols(void)
 	loaded = 1;
 }
 
-int
-xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
-{
-	if (!BETWEEN(x, 0, dc.collen - 1))
-		return 1;
-
-	*r = dc.col[x].color.red >> 8;
-	*g = dc.col[x].color.green >> 8;
-	*b = dc.col[x].color.blue >> 8;
-
-	return 0;
-}
-
 int
 xsetcolorname(int x, const char *name)
 {
 	Color ncolor;
 
-	if (!BETWEEN(x, 0, dc.collen - 1))
+	if (!BETWEEN(x, 0, dc.collen))
 		return 1;
 
 	if (!xloadcolor(x, name, &ncolor))
@@ -981,7 +950,7 @@ xloadfont(Font *f, FcPattern *pattern)
 }
 
 void
-xloadfonts(const char *fontstr, double fontsize)
+xloadfonts(char *fontstr, double fontsize)
 {
 	FcPattern *pattern;
 	double fontval;
@@ -989,7 +958,7 @@ xloadfonts(const char *fontstr, double fontsize)
 	if (fontstr[0] == '-')
 		pattern = XftXlfdParse(fontstr, False, False);
 	else
-		pattern = FcNameParse((const FcChar8 *)fontstr);
+		pattern = FcNameParse((FcChar8 *)fontstr);
 
 	if (!pattern)
 		die("can't open font %s\n", fontstr);
@@ -1131,7 +1100,7 @@ xinit(int cols, int rows)
 {
 	XGCValues gcvalues;
 	Cursor cursor;
-	Window parent, root;
+	Window parent;
 	pid_t thispid = getpid();
 	XColor xmousefg, xmousebg;
 
@@ -1168,19 +1137,16 @@ xinit(int cols, int rows)
 		| ButtonMotionMask | ButtonPressMask | ButtonReleaseMask;
 	xw.attrs.colormap = xw.cmap;
 
-	root = XRootWindow(xw.dpy, xw.scr);
 	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0))))
-		parent = root;
+		parent = XRootWindow(xw.dpy, xw.scr);
-	xw.win = XCreateWindow(xw.dpy, root, xw.l, xw.t,
+	xw.win = XCreateWindow(xw.dpy, parent, xw.l, xw.t,
 			win.w, win.h, 0, XDefaultDepth(xw.dpy, xw.scr), InputOutput,
 			xw.vis, CWBackPixel | CWBorderPixel | CWBitGravity
 			| CWEventMask | CWColormap, &xw.attrs);
-	if (parent != root)
-		XReparentWindow(xw.dpy, xw.win, parent, xw.l, xw.t);
 
 	memset(&gcvalues, 0, sizeof(gcvalues));
 	gcvalues.graphics_exposures = False;
-	dc.gc = XCreateGC(xw.dpy, xw.win, GCGraphicsExposures,
+	dc.gc = XCreateGC(xw.dpy, parent, GCGraphicsExposures,
 			&gcvalues);
 	xw.buf = XCreatePixmap(xw.dpy, xw.win, win.w, win.h,
 			DefaultDepth(xw.dpy, xw.scr));
@@ -1220,7 +1186,6 @@ xinit(int cols, int rows)
 	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);
-	xw.netwmiconname = XInternAtom(xw.dpy, "_NET_WM_ICON_NAME", False);
 	XSetWMProtocols(xw.dpy, xw.win, &xw.wmdeletewin, 1);
 
 	xw.netwmpid = XInternAtom(xw.dpy, "_NET_WM_PID", False);
@@ -1496,12 +1461,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 	/* Render underline and strikethrough. */
 	if (base.mode & ATTR_UNDERLINE) {
-		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent * chscale + 1,
+		XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1,
 				width, 1);
 	}
 
 	if (base.mode & ATTR_STRUCK) {
-		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent * chscale / 3,
+		XftDrawRect(xw.draw, fg, winx, winy + 2 * dc.font.ascent / 3,
 				width, 1);
 	}
 
@@ -1614,35 +1579,14 @@ xsetenv(void)
 	setenv("WINDOWID", buf, 1);
 }
 
-void
-xseticontitle(char *p)
-{
-	XTextProperty prop;
-	DEFAULT(p, opt_title);
-
-	if (p[0] == '\0')
-		p = opt_title;
-
-	if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
-	                                &prop) != Success)
-		return;
-	XSetWMIconName(xw.dpy, xw.win, &prop);
-	XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmiconname);
-	XFree(prop.value);
-}
-
 void
 xsettitle(char *p)
 {
 	XTextProperty prop;
 	DEFAULT(p, opt_title);
 
-	if (p[0] == '\0')
+	Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
-		p = opt_title;
+			&prop);
-
-	if (Xutf8TextListToTextProperty(xw.dpy, &p, 1, XUTF8StringStyle,
-	                                &prop) != Success)
-		return;
 	XSetWMName(xw.dpy, xw.win, &prop);
 	XSetTextProperty(xw.dpy, xw.win, &prop, xw.netwmname);
 	XFree(prop.value);
@@ -1842,7 +1786,7 @@ void
 kpress(XEvent *ev)
 {
 	XKeyEvent *e = &ev->xkey;
-	KeySym ksym = NoSymbol;
+	KeySym ksym;
 	char buf[64], *customkey;
 	int len;
 	Rune c;
@@ -1852,13 +1796,10 @@ kpress(XEvent *ev)
 	if (IS_SET(MODE_KBDLOCK))
 		return;
 
-	if (xw.ime.xic) {
+	if (xw.ime.xic)
 		len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
-		if (status == XBufferOverflow)
+	else
-			return;
-	} else {
 		len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
-	}
 	/* 1. shortcuts */
 	for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
 		if (ksym == bp->keysym && match(bp->mod, e->state)) {