st changes

suckless/st/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 patch of both programs in your config.h
+You can add the absolute path of both programs in your config.h file. You only
-file. You only have to modify the value of utmp and scroll variables.
+have to modify the value of utmp and scroll variables.
 
 
 ## Why doesn't the Del key work in some programs?

suckless/st/LICENSE

@@ -1,6 +1,6 @@
 MIT/X Consortium License
 
-© 2014-2020 Hiltjo Posthuma <hiltjo at codemadness dot org>
+© 2014-2022 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>

suckless/st/config.def.h

@@ -7,6 +7,7 @@
  */
 static char *font = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
 
+
 /* borderperc: percentage of cell width to use as a border
  *             0 = no border, 100 = border width is same as cell width */
 int borderperc = 20;
@@ -28,7 +29,7 @@ char *scroll = NULL;
 char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
 
 /* identification sequence returned in DA and DECID */
-char *vtiden = "\033[?12;4c";
+char *vtiden = "\033[?6c";
 
 /* Kerning / character bounding-box multipliers */
 static float cwscale = 1.0;
@@ -61,11 +62,6 @@ int allowwindowops = 0;
 static double minlatency = 8;
 static double maxlatency = 33;
 
-/*
- * Synchronized-Update timeout in ms
- * https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec
- */
-static uint su_timeout = 200;
 
 /*
  * blinking timeout (set to 0 to disable blinking) for the terminal blinking
@@ -244,10 +240,10 @@ static uint forcemousemod = ShiftMask;
  * Beware that overloading Button1 will disable the selection.
  */
 static MouseShortcut mshortcuts[] = {
-	/* mask                 button   function        argument       release   alt */
+	/* mask                 button   function        argument       release */
 	{ XK_ANY_MOD,           Button2, clippaste,      {.i = 0},      1 },
-	{ ShiftMask,            Button4, kscrollup,      {.i = 1} },
+	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} },
-	{ ShiftMask,            Button5, kscrolldown,    {.i = 1} },
+	{ ShiftMask,            Button5, ttysend,        {.s = "\033[6;2~"} },
 	{ XK_NO_MOD,            Button4, kscrollup,      {.i = 1} },
 	{ XK_NO_MOD,            Button5, kscrolldown,    {.i = 1} },
 };
@@ -283,8 +279,6 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Y,           clippaste,       {.i =  0} },
 	{ ShiftMask,            XK_Insert,      clippaste,       {.i =  0} },
 	{ TERMMOD,              XK_Num_Lock,    numlock,         {.i =  0} },
-	{ TERMMOD,              XK_U,           externalpipe,    { .v = openurlcmd } },
-	{ TERMMOD,              XK_X,           invert,          { 0 } },
 };
 
 /*

suckless/st/config.h

@@ -7,9 +7,10 @@
  */
 static char *font = "FiraCode Nerd Font Mono:pixelsize=12:antialias=true:autohint=true";
 
+
 /* borderperc: percentage of cell width to use as a border
  *             0 = no border, 100 = border width is same as cell width */
-int borderperc = 20;
+int borderperc = 100;
 
 static char *url_opener = "xdg-open";
 
@@ -28,7 +29,7 @@ char *scroll = NULL;
 char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
 
 /* identification sequence returned in DA and DECID */
-char *vtiden = "\033[?12;4c";
+char *vtiden = "\033[?6c";
 
 /* Kerning / character bounding-box multipliers */
 static float cwscale = 1.0;
@@ -61,11 +62,6 @@ int allowwindowops = 0;
 static double minlatency = 8;
 static double maxlatency = 33;
 
-/*
- * Synchronized-Update timeout in ms
- * https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec
- */
-static uint su_timeout = 200;
 
 /*
  * blinking timeout (set to 0 to disable blinking) for the terminal blinking
@@ -84,8 +80,8 @@ static unsigned int cursorthickness = 2;
  *    Bold affects lines thickness if boxdraw_bold is not 0. Italic is ignored.
  * 0: disable (render all U25XX glyphs normally from the font).
  */
-const int boxdraw = 0;
+const int boxdraw = 1;
-const int boxdraw_bold = 0;
+const int boxdraw_bold = 1;
 
 /* braille (U28XX):  1: render as adjacent "pixels",  0: use font */
 const int boxdraw_braille = 0;
@@ -117,7 +113,7 @@ char *termname = "st-256color";
 unsigned int tabspaces = 2;
 
 /* bg opacity */
-float alpha = 0.7;
+float alpha = 0.3;
 
 /* Terminal colors (16 first used in escape sequence) */
 static const char *colorname[] = {
@@ -244,8 +240,10 @@ static uint forcemousemod = ShiftMask;
  * Beware that overloading Button1 will disable the selection.
  */
 static MouseShortcut mshortcuts[] = {
-	/* mask                 button   function        argument       release   alt */
+	/* mask                 button   function        argument       release */
 	{ XK_ANY_MOD,           Button2, clippaste,      {.i = 0},      1 },
+	{ ShiftMask,            Button4, ttysend,        {.s = "\033[5;2~"} },
+	{ ShiftMask,            Button5, ttysend,        {.s = "\033[6;2~"} },
 	{ ShiftMask,            Button4, kscrollup,      {.i = 1} },
 	{ ShiftMask,            Button5, kscrolldown,    {.i = 1} },
 	{ XK_NO_MOD,            Button4, kscrollup,      {.i = 1} },
@@ -283,8 +281,6 @@ static Shortcut shortcuts[] = {
 	{ TERMMOD,              XK_Y,           clippaste,       {.i =  0} },
 	{ ShiftMask,            XK_Insert,      clippaste,       {.i =  0} },
 	{ TERMMOD,              XK_Num_Lock,    numlock,         {.i =  0} },
-	{ TERMMOD,              XK_U,           externalpipe,    { .v = openurlcmd } },
-	{ TERMMOD,              XK_X,           invert,          { 0 } },
 };
 
 /*

suckless/st/config.mk

@@ -1,5 +1,5 @@
 # st version
-VERSION = 0.8.4
+VERSION = 0.8.5
 
 # Customize below to fit your system
 
@@ -25,7 +25,7 @@ LIGATURES_INC = `$(PKG_CONFIG) --cflags harfbuzz`
 LIGATURES_LIBS = `$(PKG_CONFIG) --libs harfbuzz`
 
 # Uncomment this for the SIXEL patch / SIXEL_PATCH
-SIXEL_C = sixel.c sixel_hls.c
+#SIXEL_C = sixel.c sixel_hls.c
 
 # includes and libs, uncomment harfbuzz for the ligatures patch
 INCS = -I$(X11INC) \
@@ -47,6 +47,7 @@ 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

suckless/st/hb.c

@@ -1,12 +1,16 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <math.h>
-#include <X11/Xft/Xft.h>
 #include <time.h>
+#include <X11/Xft/Xft.h>
+#include <X11/cursorfont.h>
 #include <hb.h>
 #include <hb-ft.h>
+
 #include "st.h"
 
+#define FEATURE(c1,c2,c3,c4) { .tag = HB_TAG(c1,c2,c3,c4), .value = 1, .start = HB_FEATURE_GLOBAL_START, .end = HB_FEATURE_GLOBAL_END }
+
 void hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoints, int start, int length);
 hb_font_t *hbfindfont(XftFont *match);
 
@@ -18,6 +22,13 @@ typedef struct {
 static int hbfontslen = 0;
 static HbFontMatch *hbfontcache = NULL;
 
+/*
+ * Poplulate the array with a list of font features, wrapped in FEATURE macro,
+ * e. g.
+ * FEATURE('c', 'a', 'l', 't'), FEATURE('d', 'l', 'i', 'g')
+ */
+hb_feature_t features[] = { };
+
 void
 hbunloadfonts()
 {
@@ -59,7 +70,7 @@ void
 hbtransform(XftGlyphFontSpec *specs, const Glyph *glyphs, size_t len, int x, int y)
 {
 	int start = 0, length = 1, gstart = 0;
-	hb_codepoint_t *codepoints = calloc(len, sizeof(hb_codepoint_t));
+	hb_codepoint_t *codepoints = calloc((unsigned int)len, sizeof(hb_codepoint_t));
 
 	for (int idx = 1, specidx = 1; idx < len; idx++) {
 		if (glyphs[idx].mode & ATTR_WDUMMY) {
@@ -125,7 +136,7 @@ hbtransformsegment(XftFont *xfont, const Glyph *string, hb_codepoint_t *codepoin
 	}
 
 	/* Shape the segment. */
-	hb_shape(font, buffer, NULL, 0);
+	hb_shape(font, buffer, features, sizeof(features)/sizeof(hb_feature_t));
 
 	/* Get new glyph info. */
 	hb_glyph_info_t *info = hb_buffer_get_glyph_infos(buffer, NULL);

suckless/st/patch/copyurl.c

@@ -1,118 +0,0 @@
-void
-tsetcolor( int row, int start, int end, uint32_t fg, uint32_t bg )
-{
-	int i = start;
-	for( ; i < end; ++i )
-	{
-		term.line[row][i].fg = fg;
-		term.line[row][i].bg = bg;
-	}
-}
-
-char *
-findlastany(char *str, const char** find, size_t len)
-{
-	char* found = NULL;
-	int i = 0;
-	for(found = str + strlen(str) - 1; found >= str; --found) {
-		for(i = 0; i < len; i++) {
-			if(strncmp(found, find[i], strlen(find[i])) == 0) {
-				return found;
-			}
-		}
-	}
-
-	return NULL;
-}
-
-/*
-** Select and copy the previous url on screen (do nothing if there's no url).
-**
-** FIXME: doesn't handle urls that span multiple lines; will need to add support
-**        for multiline "getsel()" first
-*/
-void
-copyurl(const Arg *arg) {
-	/* () and [] can appear in urls, but excluding them here will reduce false
-	 * positives when figuring out where a given url ends.
-	 */
-	static char URLCHARS[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
-		"abcdefghijklmnopqrstuvwxyz"
-		"0123456789-._~:/?#@!$&'*+,;=%";
-
-	static const char* URLSTRINGS[] = {"http://", "https://"};
-
-	/* remove highlighting from previous selection if any */
-	if(sel.ob.x >= 0 && sel.oe.x >= 0)
-		tsetcolor(sel.nb.y, sel.ob.x, sel.oe.x + 1, defaultfg, defaultbg);
-
-	int i = 0,
-		row = 0, /* row of current URL */
-		col = 0, /* column of current URL start */
-		startrow = 0, /* row of last occurrence */
-		colend = 0, /* column of last occurrence */
-		passes = 0; /* how many rows have been scanned */
-
-	char *linestr = calloc(term.col+1, sizeof(Rune));
-	char *c = NULL,
-		 *match = NULL;
-
-	row = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.y : term.bot;
-	LIMIT(row, term.top, term.bot);
-	startrow = row;
-
-	colend = (sel.ob.x >= 0 && sel.nb.y > 0) ? sel.nb.x : term.col;
-	LIMIT(colend, 0, term.col);
-
-	/*
- 	** Scan from (term.bot,term.col) to (0,0) and find
-	** next occurrance of a URL
-	*/
-	while (passes !=term.bot + 2) {
-		/* Read in each column of every row until
- 		** we hit previous occurrence of URL
-		*/
-		for (col = 0, i = 0; col < colend; ++col,++i) {
-			linestr[i] = term.line[row][col].u;
-		}
-		linestr[term.col] = '\0';
-
-		if ((match = findlastany(linestr, URLSTRINGS,
-						sizeof(URLSTRINGS)/sizeof(URLSTRINGS[0]))))
-			break;
-
-		if (--row < term.top)
-			row = term.bot;
-
-		colend = term.col;
-		passes++;
-	};
-
-	if (match) {
-		/* must happen before trim */
-		selclear();
-		sel.ob.x = strlen(linestr) - strlen(match);
-
-		/* trim the rest of the line from the url match */
-		for (c = match; *c != '\0'; ++c)
-			if (!strchr(URLCHARS, *c)) {
-				*c = '\0';
-				break;
-			}
-
-		/* highlight selection by inverting terminal colors */
-		tsetcolor(row, sel.ob.x, sel.ob.x + strlen( match ), defaultbg, defaultfg);
-
-		/* select and copy */
-		sel.mode = 1;
-		sel.type = SEL_REGULAR;
-		sel.oe.x = sel.ob.x + strlen(match)-1;
-		sel.ob.y = sel.oe.y = row;
-		selnormalize();
-		tsetdirt(sel.nb.y, sel.ne.y);
-		xsetsel(getsel());
-		xclipcopy();
-	}
-
-	free(linestr);
-}

suckless/st/patch/copyurl.h

@@ -1,3 +0,0 @@
-void copyurl(const Arg *);
-static void tsetcolor(int, int, int, uint32_t, uint32_t);
-static char * findlastany(char *, const char**, size_t);

suckless/st/patch/externalpipe.c

@@ -1,68 +0,0 @@
-int extpipeactive = 0;
-
-void
-extpipe(const Arg *arg, int in)
-{
-	int to[2];
-	char buf[UTF_SIZ];
-	void (*oldsigpipe)(int);
-	Glyph *bp, *end;
-	int lastpos, n, newline;
-
-	if (pipe(to) == -1)
-		return;
-
-	switch (fork()) {
-	case -1:
-		close(to[0]);
-		close(to[1]);
-		return;
-	case 0:
-		dup2(to[0], STDIN_FILENO);
-		close(to[0]);
-		close(to[1]);
-		if (in)
-			dup2(csdfd, STDOUT_FILENO);
-		close(csdfd);
-		execvp(((char **)arg->v)[0], (char **)arg->v);
-		fprintf(stderr, "st: execvp %s\n", ((char **)arg->v)[0]);
-		perror("failed");
-		exit(0);
-	}
-
-	close(to[0]);
-	/* ignore sigpipe for now, in case child exists early */
-	oldsigpipe = signal(SIGPIPE, SIG_IGN);
-	newline = 0;
-	for (n = 0; n < term.row; n++) {
-		bp = term.line[n];
-		lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
-		if (lastpos < 0)
-			break;
-		end = &bp[lastpos + 1];
-		for (; bp < end; ++bp)
-			if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
-				break;
-		if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
-			continue;
-		if (xwrite(to[1], "\n", 1) < 0)
-			break;
-		newline = 0;
-	}
-	if (newline)
-		(void)xwrite(to[1], "\n", 1);
-	close(to[1]);
-	/* restore */
-	signal(SIGPIPE, oldsigpipe);
-	extpipeactive = 1;
-}
-
-void
-externalpipe(const Arg *arg) {
-	extpipe(arg, 0);
-}
-
-void
-externalpipein(const Arg *arg) {
-	extpipe(arg, 1);
-}

suckless/st/patch/externalpipe.h

@@ -1,2 +0,0 @@
-void externalpipe(const Arg *);
-void externalpipein(const Arg *);

suckless/st/patch/font2.c

@@ -1,94 +0,0 @@
-int
-xloadsparefont(FcPattern *pattern, int flags)
-{
-	FcPattern *match;
-	FcResult result;
-
-	match = FcFontMatch(NULL, pattern, &result);
-	if (!match) {
-		return 1;
-	}
-
-	if (!(frc[frclen].font = XftFontOpenPattern(xw.dpy, match))) {
-		FcPatternDestroy(match);
-		return 1;
-	}
-
-	frc[frclen].flags = flags;
-	/* Believe U+0000 glyph will present in each default font */
-	frc[frclen].unicodep = 0;
-	frclen++;
-
-	return 0;
-}
-
-void
-xloadsparefonts(void)
-{
-	FcPattern *pattern;
-	double sizeshift, fontval;
-	int fc;
-	char **fp;
-
-	if (frclen != 0)
-		die("can't embed spare fonts. cache isn't empty");
-
-	/* Calculate count of spare fonts */
-	fc = sizeof(font2) / sizeof(*font2);
-	if (fc == 0)
-		return;
-
-	/* Allocate memory for cache entries. */
-	if (frccap < 4 * fc) {
-		frccap += 4 * fc - frccap;
-		frc = xrealloc(frc, frccap * sizeof(Fontcache));
-	}
-
-	for (fp = font2; fp - font2 < fc; ++fp) {
-
-		if (**fp == '-')
-			pattern = XftXlfdParse(*fp, False, False);
-		else
-			pattern = FcNameParse((FcChar8 *)*fp);
-
-		if (!pattern)
-			die("can't open spare font %s\n", *fp);
-
-		if (defaultfontsize > 0) {
-			sizeshift = usedfontsize - defaultfontsize;
-			if (sizeshift != 0 &&
-					FcPatternGetDouble(pattern, FC_PIXEL_SIZE, 0, &fontval) ==
-					FcResultMatch) {
-				fontval += sizeshift;
-				FcPatternDel(pattern, FC_PIXEL_SIZE);
-				FcPatternDel(pattern, FC_SIZE);
-				FcPatternAddDouble(pattern, FC_PIXEL_SIZE, fontval);
-			}
-		}
-
-		FcPatternAddBool(pattern, FC_SCALABLE, 1);
-
-		FcConfigSubstitute(NULL, pattern, FcMatchPattern);
-		XftDefaultSubstitute(xw.dpy, xw.scr, pattern);
-
-		if (xloadsparefont(pattern, FRC_NORMAL))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_SLANT);
-		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ITALIC);
-		if (xloadsparefont(pattern, FRC_ITALIC))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_WEIGHT);
-		FcPatternAddInteger(pattern, FC_WEIGHT, FC_WEIGHT_BOLD);
-		if (xloadsparefont(pattern, FRC_ITALICBOLD))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDel(pattern, FC_SLANT);
-		FcPatternAddInteger(pattern, FC_SLANT, FC_SLANT_ROMAN);
-		if (xloadsparefont(pattern, FRC_BOLD))
-			die("can't open spare font %s\n", *fp);
-
-		FcPatternDestroy(pattern);
-	}
-}

suckless/st/patch/font2.h

@@ -1,2 +0,0 @@
-static int xloadsparefont(FcPattern *, int);
-static void xloadsparefonts(void);

suckless/st/patch/invert.c

@@ -1,21 +0,0 @@
-static int invertcolors = 0;
-
-void
-invert(const Arg *dummy)
-{
-	invertcolors = !invertcolors;
-	redraw();
-}
-
-Color
-invertedcolor(Color *clr)
-{
-	XRenderColor rc;
-	Color inverted;
-	rc.red = ~clr->color.red;
-	rc.green = ~clr->color.green;
-	rc.blue = ~clr->color.blue;
-	rc.alpha = clr->color.alpha;
-	XftColorAllocValue(xw.dpy, xw.vis, xw.cmap, &rc, &inverted);
-	return inverted;
-}

suckless/st/patch/invert.h

@@ -1 +0,0 @@
-static void invert(const Arg *);

suckless/st/patch/keyboardselect_st.c

@@ -1,217 +0,0 @@
-void set_notifmode(int type, KeySym ksym)
-{
-	static char *lib[] = { " MOVE ", " SEL  "};
-	static Glyph *g, *deb, *fin;
-	static int col, bot;
-
-	if (ksym == -1) {
-		free(g);
-		col = term.col, bot = term.bot;
-		g = xmalloc(col * sizeof(Glyph));
-		memcpy(g, term.line[bot], col * sizeof(Glyph));
-
-	} else if (ksym == -2)
-		memcpy(term.line[bot], g, col * sizeof(Glyph));
-
-	if ( type < 2 ) {
-		char *z = lib[type];
-		for (deb = &term.line[bot][col - 6], fin = &term.line[bot][col]; deb < fin; z++, deb++)
-			deb->mode = ATTR_REVERSE,
-			deb->u = *z,
-			deb->fg = defaultfg, deb->bg = defaultbg;
-	} else if (type < 5)
-		memcpy(term.line[bot], g, col * sizeof(Glyph));
-	else {
-		for (deb = &term.line[bot][0], fin = &term.line[bot][col]; deb < fin; deb++)
-			deb->mode = ATTR_REVERSE,
-			deb->u = ' ',
-			deb->fg = defaultfg, deb->bg = defaultbg;
-		term.line[bot][0].u = ksym;
-	}
-
-	term.dirty[bot] = 1;
-	drawregion(0, bot, col, bot + 1);
-}
-
-void select_or_drawcursor(int selectsearch_mode, int type)
-{
-	int done = 0;
-
-	if (selectsearch_mode & 1) {
-		selextend(term.c.x, term.c.y, type, done);
-		xsetsel(getsel());
-	} else {
-		xdrawcursor(term.c.x, term.c.y, term.line[term.c.y][term.c.x],
-					term.ocx, term.ocy, term.line[term.ocy][term.ocx],
-					term.line[term.ocy], term.col);
-	}
-}
-
-void search(int selectsearch_mode, Rune *target, int ptarget, int incr, int type, TCursor *cu)
-{
-	Rune *r;
-	int i, bound = (term.col * cu->y + cu->x) * (incr > 0) + incr;
-
-	for (i = term.col * term.c.y + term.c.x + incr; i != bound; i += incr) {
-		for (r = target; r - target < ptarget; r++) {
-			if (*r == term.line[(i + r - target) / term.col][(i + r - target) % term.col].u) {
-				if (r - target == ptarget - 1)
-					break;
-			} else {
-				r = NULL;
-				break;
-			}
-		}
-		if (r != NULL)
-			break;
-	}
-
-	if (i != bound) {
-		term.c.y = i / term.col, term.c.x = i % term.col;
-		select_or_drawcursor(selectsearch_mode, type);
-	}
-}
-
-int trt_kbdselect(KeySym ksym, char *buf, int len)
-{
-	static TCursor cu;
-	static Rune target[64];
-	static int type = 1, ptarget, in_use;
-	static int sens, quant;
-	static char selectsearch_mode;
-	int i, bound, *xy;
-
-	if (selectsearch_mode & 2) {
-		if (ksym == XK_Return) {
-			selectsearch_mode ^= 2;
-			set_notifmode(selectsearch_mode, -2);
-			if (ksym == XK_Escape)
-				ptarget = 0;
-			return 0;
-		} else if (ksym == XK_BackSpace) {
-			if (!ptarget)
-				return 0;
-			term.line[term.bot][ptarget--].u = ' ';
-		} else if (len < 1) {
-			return 0;
-		} else if (ptarget == term.col || ksym == XK_Escape) {
-			return 0;
-		} else {
-			utf8decode(buf, &target[ptarget++], len);
-			term.line[term.bot][ptarget].u = target[ptarget - 1];
-		}
-
-		if (ksym != XK_BackSpace)
-			search(selectsearch_mode, &target[0], ptarget, sens, type, &cu);
-
-		term.dirty[term.bot] = 1;
-		drawregion(0, term.bot, term.col, term.bot + 1);
-		return 0;
-	}
-
-	switch (ksym) {
-	case -1:
-		in_use = 1;
-		cu.x = term.c.x, cu.y = term.c.y;
-		set_notifmode(0, ksym);
-		return MODE_KBDSELECT;
-	case XK_s:
-		if (selectsearch_mode & 1)
-			selclear();
-		else
-			selstart(term.c.x, term.c.y, 0);
-		set_notifmode(selectsearch_mode ^= 1, ksym);
-		break;
-	case XK_t:
-		selextend(term.c.x, term.c.y, type ^= 3, i = 0);  /* 2 fois */
-		selextend(term.c.x, term.c.y, type, i = 0);
-		break;
-	case XK_slash:
-	case XK_KP_Divide:
-	case XK_question:
-		ksym &= XK_question;                /* Divide to slash */
-		sens = (ksym == XK_slash) ? -1 : 1;
-		ptarget = 0;
-		set_notifmode(15, ksym);
-		selectsearch_mode ^= 2;
-		break;
-	case XK_Escape:
-		if (!in_use)
-			break;
-		selclear();
-	case XK_Return:
-		set_notifmode(4, ksym);
-		term.c.x = cu.x, term.c.y = cu.y;
-		select_or_drawcursor(selectsearch_mode = 0, type);
-		in_use = quant = 0;
-		return MODE_KBDSELECT;
-	case XK_n:
-	case XK_N:
-		if (ptarget)
-			search(selectsearch_mode, &target[0], ptarget, (ksym == XK_n) ? -1 : 1, type, &cu);
-		break;
-	case XK_BackSpace:
-		term.c.x = 0;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_dollar:
-		term.c.x = term.col - 1;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_Home:
-		term.c.x = 0, term.c.y = 0;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_End:
-		term.c.x = cu.x, term.c.y = cu.y;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_Page_Up:
-	case XK_Page_Down:
-		term.c.y = (ksym == XK_Prior ) ? 0 : cu.y;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_exclam:
-		term.c.x = term.col >> 1;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	case XK_asterisk:
-	case XK_KP_Multiply:
-		term.c.x = term.col >> 1;
-	case XK_underscore:
-		term.c.y = cu.y >> 1;
-		select_or_drawcursor(selectsearch_mode, type);
-		break;
-	default:
-		if (ksym >= XK_0 && ksym <= XK_9) {                 /* 0-9 keyboard */
-			quant = (quant * 10) + (ksym ^ XK_0);
-			return 0;
-		} else if (ksym >= XK_KP_0 && ksym <= XK_KP_9) {    /* 0-9 numpad */
-			quant = (quant * 10) + (ksym ^ XK_KP_0);
-			return 0;
-		} else if (ksym == XK_k || ksym == XK_h)
-			i = ksym & 1;
-		else if (ksym == XK_l || ksym == XK_j)
-			i = ((ksym & 6) | 4) >> 1;
-		else if ((XK_Home & ksym) != XK_Home || (i = (ksym ^ XK_Home) - 1) > 3)
-			break;
-
-		xy = (i & 1) ? &term.c.y : &term.c.x;
-		sens = (i & 2) ? 1 : -1;
-		bound = (i >> 1 ^ 1) ? 0 : (i ^ 3) ? term.col - 1 : term.bot;
-
-		if (quant == 0)
-			quant++;
-
-		if (*xy == bound && ((sens < 0 && bound == 0) || (sens > 0 && bound > 0)))
-			break;
-
-		*xy += quant * sens;
-		if (*xy < 0 || ( bound > 0 && *xy > bound))
-			*xy = bound;
-
-		select_or_drawcursor(selectsearch_mode, type);
-	}
-	quant = 0;
-	return 0;
-}

suckless/st/patch/keyboardselect_st.h

@@ -1,2 +0,0 @@
-void toggle_winmode(int);
-int trt_kbdselect(KeySym, char *, int);

suckless/st/patch/keyboardselect_x.c

@@ -1,7 +0,0 @@
-void toggle_winmode(int flag) {
-        win.mode ^= flag;
-}
-
-void keyboard_select(const Arg *dummy) {
-    win.mode ^= trt_kbdselect(-1, NULL, 0);
-}

suckless/st/patch/keyboardselect_x.h

@@ -1,2 +0,0 @@
-void toggle_winmode(int);
-void keyboard_select(const Arg *);

suckless/st/patch/newterm.c

@@ -1,30 +0,0 @@
-void
-newterm(const Arg* a)
-{
-	int res;
-	switch (fork()) {
-	case -1:
-		die("fork failed: %s\n", strerror(errno));
-		break;
-	case 0:
-		switch (fork()) {
-		case -1:
-			die("fork failed: %s\n", strerror(errno));
-			break;
-		case 0:
-			res = chdir(getcwd_by_pid(pid));
-			execlp("st", "./st", NULL);
-			break;
-		default:
-			exit(0);
-		}
-	default:
-		wait(NULL);
-	}
-}
-
-static char *getcwd_by_pid(pid_t pid) {
-	char buf[32];
-	snprintf(buf, sizeof buf, "/proc/%d/cwd", pid);
-	return realpath(buf, NULL);
-}

suckless/st/patch/newterm.h

@@ -1,2 +0,0 @@
-void newterm(const Arg *);
-static char *getcwd_by_pid(pid_t pid);

suckless/st/patch/opencopied.c

@@ -1,19 +0,0 @@
-void
-opencopied(const Arg *arg)
-{
-	int res;
-	size_t const max_cmd = 2048;
-	char * const clip = xsel.clipboard;
-	if (!clip) {
-		fprintf(stderr, "Warning: nothing copied to clipboard\n");
-		return;
-	}
-
-	/* account for space/quote (3) and \0 (1) and & (1) */
-	/* e.g.: xdg-open "https://st.suckless.org"& */
-	size_t const cmd_size = max_cmd + strlen(clip) + 5;
-	char cmd[cmd_size];
-
-	snprintf(cmd, cmd_size, "%s \"%s\"&", (char *)arg->v, clip);
-	res = system(cmd);
-}

suckless/st/patch/opencopied.h

@@ -1 +0,0 @@
-void opencopied(const Arg *);

suckless/st/patch/scrollback.c

@@ -15,7 +15,6 @@ kscrolldown(const Arg* a)
 		tfulldirt();
 	}
 
-	scroll_images(-1*n);
 }
 
 void
@@ -25,8 +24,8 @@ kscrollup(const Arg* a)
 	if (n < 0)
 		n = term.row + n;
 
-	if (term.scr + n > term.histi)
+	if (term.scr + n > term.histn)
-		n = term.histi - term.scr;
+		n = term.histn - term.scr;
 
 	if (!n)
 		return;
@@ -37,5 +36,4 @@ kscrollup(const Arg* a)
 		tfulldirt();
 	}
 
-	scroll_images(n);
 }

suckless/st/patch/sixel_st.c

@@ -1,42 +0,0 @@
-sixel_state_t sixel_st;
-
-void
-dcshandle(void)
-{
-	switch (csiescseq.mode[0]) {
-	default:
-		fprintf(stderr, "erresc: unknown csi ");
-		csidump();
-		/* die(""); */
-		break;
-	case 'q': /* DECSIXEL */
-		if (sixel_parser_init(&sixel_st, 0, 0 << 16 | 0 << 8 | 0, 1, win.cw, win.ch) != 0)
-			perror("sixel_parser_init() failed");
-		term.mode |= MODE_SIXEL;
-		break;
-	}
-}
-
-void
-scroll_images(int n) {
-	ImageList *im;
-	int tmp;
-
-	/* maximum sixel distance in lines from current view before
-	 * deallocation
-	 * TODO: should be in config.h */
-	int max_sixel_distance = 10000;
-
-	for (im = term.images; im; im = im->next) {
-		im->y += n;
-
-		/* check if the current sixel has exceeded the maximum
-		 * draw distance, and should therefore be deleted */
-		tmp = im->y;
-		if (tmp < 0) { tmp = tmp * -1; }
-		if (tmp > max_sixel_distance) {
-			fprintf(stderr, "im@0x%08x exceeded maximum distance\n");
-			im->should_delete = 1;
-		}
-	}
-}

suckless/st/patch/sixel_st.h

@@ -1,2 +0,0 @@
-static void dcshandle(void);
-static void scroll_images(int n);

suckless/st/patch/sixel_x.c

@@ -1,14 +0,0 @@
-void
-delete_image(ImageList *im)
-{
-	if (im->prev)
-		im->prev->next = im->next;
-	else
-		term.images = im->next;
-	if (im->next)
-		im->next->prev = im->prev;
-	if (im->pixmap)
-		XFreePixmap(xw.dpy, (Drawable)im->pixmap);
-	free(im->pixels);
-	free(im);
-}

suckless/st/patch/st_include.c

@@ -1,6 +1,3 @@
 /* Patches */
-#include "externalpipe.c"
 #include "scrollback.c"
 #include "universcroll.c"
-#include "sixel_st.c"
-#include "sync.c"

suckless/st/patch/st_include.h

@@ -1,9 +1,6 @@
 /* Patches */
-#include "externalpipe.h"
 #include "scrollback.h"
 #include "universcroll.h"
-#include "sixel_st.h"
-#include "sync.h"
 // #if VIM_BROWSE_PATCH
 // #include "normalMode.h"
 // #endif

suckless/st/patch/sync.c

@@ -1,31 +0,0 @@
-#include <time.h>
-struct timespec sutv;
-
-static void
-tsync_begin()
-{
-	clock_gettime(CLOCK_MONOTONIC, &sutv);
-	su = 1;
-}
-
-static void
-tsync_end()
-{
-	su = 0;
-}
-
-int
-tinsync(uint timeout)
-{
-	struct timespec now;
-	if (su && !clock_gettime(CLOCK_MONOTONIC, &now)
-	       && TIMEDIFF(now, sutv) >= timeout)
-		su = 0;
-	return su;
-}
-
-int
-ttyread_pending()
-{
-	return twrite_aborted;
-}

suckless/st/patch/sync.h

@@ -1,7 +0,0 @@
-static int su = 0;
-static int twrite_aborted = 0;
-
-static void tsync_begin();
-static void tsync_end();
-int tinsync(uint timeout);
-int ttyread_pending();

suckless/st/patch/x_include.c

@@ -1,7 +1,5 @@
 /* Patches */
 #include "boxdraw.c"
 #include "fixkeyboardinput.c"
-#include "invert.c"
 #include "openurlonclick.c"
-#include "sixel_x.c"
 #include "xresources.c"

suckless/st/patch/x_include.h

@@ -1,6 +1,5 @@
 /* Patches */
 #include "boxdraw.h"
-#include "invert.h"
 #include "netwmicon.h"
 #include "openurlonclick.h"
 #include "xresources.h"

suckless/st/patch/xresources.c

@@ -60,10 +60,7 @@ reload_config(int sig)
 		die("Can't open display\n");
 
 	config_init(dpy);
-	if (sig != -1) {
-		/* Called due to a SIGUSR1 */
 	xloadcols();
 	redraw();
-	}
+	XCloseDisplay(dpy);
-	signal(SIGUSR1, reload_config);
 }

suckless/st/sixel.h

@@ -1,58 +0,0 @@
-#ifndef SIXEL_H
-#define SIXEL_H
-
-#define DECSIXEL_PARAMS_MAX 16
-#define DECSIXEL_PALETTE_MAX 1024
-#define DECSIXEL_PARAMVALUE_MAX 65535
-#define DECSIXEL_WIDTH_MAX 4096
-#define DECSIXEL_HEIGHT_MAX 4096
-
-typedef unsigned short sixel_color_no_t;
-typedef unsigned int sixel_color_t;
-
-typedef struct sixel_image_buffer {
-	sixel_color_no_t *data;
-	int width;
-	int height;
-	sixel_color_t palette[DECSIXEL_PALETTE_MAX];
-	sixel_color_no_t ncolors;
-	int palette_modified;
-	int use_private_register;
-} sixel_image_t;
-
-typedef enum parse_state {
-	PS_ESC        = 1,  /* ESC */
-	PS_DECSIXEL   = 2,  /* DECSIXEL body part ", $, -, ? ... ~ */
-	PS_DECGRA     = 3,  /* DECGRA Set Raster Attributes " Pan; Pad; Ph; Pv */
-	PS_DECGRI     = 4,  /* DECGRI Graphics Repeat Introducer ! Pn Ch */
-	PS_DECGCI     = 5,  /* DECGCI Graphics Color Introducer # Pc; Pu; Px; Py; Pz */
-} parse_state_t;
-
-typedef struct parser_context {
-	parse_state_t state;
-	int pos_x;
-	int pos_y;
-	int max_x;
-	int max_y;
-	int attributed_pan;
-	int attributed_pad;
-	int attributed_ph;
-	int attributed_pv;
-	int repeat_count;
-	int color_index;
-	int bgindex;
-	int grid_width;
-	int grid_height;
-	int param;
-	int nparams;
-	int params[DECSIXEL_PARAMS_MAX];
-	sixel_image_t image;
-} sixel_state_t;
-
-int sixel_parser_init(sixel_state_t *st, sixel_color_t fgcolor, sixel_color_t bgcolor, unsigned char use_private_register, int cell_width, int cell_height);
-int sixel_parser_parse(sixel_state_t *st, unsigned char *p, size_t len);
-int sixel_parser_set_default_color(sixel_state_t *st);
-int sixel_parser_finalize(sixel_state_t *st, unsigned char *pixels);
-void sixel_parser_deinit(sixel_state_t *st);
-
-#endif

suckless/st/st.c

@@ -22,7 +22,6 @@
 
 
 
-#include "sixel.h"
 
 #if   defined(__linux)
  #include <pty.h>
@@ -56,7 +55,6 @@ enum term_mode {
 	MODE_ECHO        = 1 << 4,
 	MODE_PRINT       = 1 << 5,
 	MODE_UTF8        = 1 << 6,
-	MODE_SIXEL       = 1 << 7,
 };
 
 enum cursor_movement {
@@ -88,7 +86,6 @@ enum escape_state {
 	ESC_STR_END    = 16, /* a final string was encountered */
 	ESC_TEST       = 32, /* Enter in test mode */
 	ESC_UTF8       = 64,
-	ESC_DCS        =128,
 };
 
 typedef struct {
@@ -142,6 +139,8 @@ static void csihandle(void);
 static void readcolonargs(char **, int, int[][CAR_PER_ARG]);
 static void csiparse(void);
 static void csireset(void);
+static void osc4_color_response(int num);
+static void osc_color_response(int index, int num);
 static int eschandle(uchar);
 static void strdump(void);
 static void strhandle(void);
@@ -166,7 +165,7 @@ static void tputtab(int);
 static void tputc(Rune);
 static void treset(void);
 static void tscrollup(int, int, int);
-static void tscrolldown(int, int, int);
+static void tscrolldown(int, int);
 static void tsetattr(const int *, int);
 static void tsetchar(Rune, const Glyph *, int, int);
 static void tsetdirt(int, int);
@@ -200,9 +199,7 @@ static CSIEscape csiescseq;
 static STREscape strescseq;
 static int iofd = 1;
 static int cmdfd;
-static int csdfd;
 static pid_t pid;
-sixel_state_t sixel_st;
 
 static const uchar utfbyte[UTF_SIZ + 1] = {0x80,    0, 0xC0, 0xE0, 0xF0};
 static const uchar utfmask[UTF_SIZ + 1] = {0xC0, 0x80, 0xE0, 0xF0, 0xF8};
@@ -329,25 +326,10 @@ 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(**src))
+	while (**src && !isprint((unsigned char)**src))
 		(*src)++;
 	return **src ? *((*src)++) : '=';  /* emulate padding if string ends */
 }
@@ -357,6 +339,13 @@ 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);
@@ -705,23 +694,12 @@ sigchld(int a)
 	int stat;
 	pid_t p;
 
-	if ((p = waitpid((extpipeactive ? -1 : pid), &stat, WNOHANG)) < 0)
+	if ((p = waitpid(pid, &stat, WNOHANG)) < 0)
 		die("waiting for pid %hd failed: %s\n", pid, strerror(errno));
 
-	if (pid != p) {
+	if (pid != p)
-		if (!extpipeactive)
 		return;
 
-		if (p == 0 && wait(&stat) < 0)
-			die("wait: %s\n", strerror(errno));
-
-		/* reinstall sigchld handler */
-		signal(SIGCHLD, sigchld);
-		extpipeactive = 0;
-		return;
-	}
-
-	close(csdfd);
 
 	if (WIFEXITED(stat) && WEXITSTATUS(stat))
 		die("child exited with status %d\n", WEXITSTATUS(stat));
@@ -758,7 +736,6 @@ int
 ttynew(const char *line, char *cmd, const char *out, char **args)
 {
 	int m, s;
-	struct sigaction sa;
 
 	if (out) {
 		term.mode |= MODE_PRINT;
@@ -796,8 +773,6 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 		dup2(s, 2);
 		if (ioctl(s, TIOCSCTTY, NULL) < 0)
 			die("ioctl TIOCSCTTY failed: %s\n", strerror(errno));
-		close(s);
-		close(m);
 		if (s > 2)
 				close(s);
 #ifdef __OpenBSD__
@@ -813,11 +788,7 @@ ttynew(const char *line, char *cmd, const char *out, char **args)
 #endif
 		close(s);
 		cmdfd = m;
-		csdfd = s;
+		signal(SIGCHLD, sigchld);
-		memset(&sa, 0, sizeof(sa));
-		sigemptyset(&sa.sa_mask);
-		sa.sa_handler = sigchld;
-		sigaction(SIGCHLD, &sa, NULL);
 		break;
 	}
 	return cmdfd;
@@ -831,7 +802,7 @@ ttyread(void)
 	int ret, written;
 
 	/* append read bytes to unprocessed bytes */
-	ret = twrite_aborted ? 1 : read(cmdfd, buf+buflen, LEN(buf)-buflen);
+	ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
 
 	switch (ret) {
 	case 0:
@@ -839,7 +810,7 @@ ttyread(void)
 	case -1:
 		die("couldn't read from shell: %s\n", strerror(errno));
 	default:
-		buflen += twrite_aborted ? 0 : ret;
+		buflen += ret;
 		written = twrite(buf, buflen, 0);
 		buflen -= written;
 		/* keep any incomplete UTF-8 byte sequence for the next call */
@@ -1002,7 +973,6 @@ tsetdirtattr(int attr)
 void
 tfulldirt(void)
 {
-	tsync_end();
 	tsetdirt(0, term.row-1);
 }
 
@@ -1024,7 +994,6 @@ void
 treset(void)
 {
 	uint i;
-	ImageList *im;
 
 	term.c = (TCursor){{
 		.mode = ATTR_NULL,
@@ -1044,11 +1013,9 @@ treset(void)
 	for (i = 0; i < 2; i++) {
 		tmoveto(0, 0);
 		tcursor(CURSOR_SAVE);
-		tclearregion(0, 0, term.col-1, term.row-1);
+		tclearregion(0, 0, term.maxcol-1, term.row-1);
 		tswapscreen();
 	}
-	for (im = term.images; im; im = im->next)
-		im->should_delete = 1;
 }
 
 void
@@ -1063,33 +1030,23 @@ void
 tswapscreen(void)
 {
 	Line *tmp = term.line;
-	ImageList *im = term.images;
 
 	term.line = term.alt;
 	term.alt = tmp;
-	term.images = term.images_alt;
-	term.images_alt = im;
 	term.mode ^= MODE_ALTSCREEN;
 	tfulldirt();
 }
 
 void
-tscrolldown(int orig, int n, int copyhist)
+tscrolldown(int orig, int n)
 {
 	int i;
 	Line temp;
 
 	LIMIT(n, 0, term.bot-orig+1);
 
-	if (copyhist) {
-		term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
-		temp = term.hist[term.histi];
-		term.hist[term.histi] = term.line[term.bot];
-		term.line[term.bot] = temp;
-	}
-
 	tsetdirt(orig, term.bot-n);
-	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
+	tclearregion(0, term.bot-n+1, term.maxcol-1, term.bot);
 
 	for (i = term.bot; i >= orig+n; i--) {
 		temp = term.line[i];
@@ -1097,7 +1054,6 @@ tscrolldown(int orig, int n, int copyhist)
 		term.line[i-n] = temp;
 	}
 
-	scroll_images(n);
 
 	if (term.scr == 0)
 		selscroll(orig, n);
@@ -1111,17 +1067,20 @@ tscrollup(int orig, int n, int copyhist)
 
 	LIMIT(n, 0, term.bot-orig+1);
 
-	if (copyhist) {
+	if (copyhist && !IS_SET(MODE_ALTSCREEN)) {
+		for (i = 0; i < n; i++) {
 			term.histi = (term.histi + 1) % HISTSIZE;
 			temp = term.hist[term.histi];
-		term.hist[term.histi] = term.line[orig];
+			term.hist[term.histi] = term.line[orig+i];
-		term.line[orig] = temp;
+			term.line[orig+i] = temp;
 		}
+		term.histn = MIN(term.histn + n, HISTSIZE);
 
 		if (term.scr > 0 && term.scr < HISTSIZE)
 			term.scr = MIN(term.scr + n, HISTSIZE-1);
+	}
 
-	tclearregion(0, orig, term.col-1, orig+n-1);
+	tclearregion(0, orig, term.maxcol-1, orig+n-1);
 	tsetdirt(orig+n, term.bot);
 
 	for (i = orig; i <= term.bot-n; i++) {
@@ -1130,7 +1089,6 @@ tscrollup(int orig, int n, int copyhist)
 		term.line[i+n] = temp;
 	}
 
-	scroll_images(-1 * n);
 
 	if (term.scr == 0)
 		selscroll(orig, -n);
@@ -1353,7 +1311,7 @@ void
 tinsertblankline(int n)
 {
 	if (BETWEEN(term.c.y, term.top, term.bot))
-		tscrolldown(term.c.y, n, 0);
+		tscrolldown(term.c.y, n);
 }
 
 void
@@ -1629,8 +1587,7 @@ tsetmode(int priv, int set, const int *args, int narg)
 					break;
 				alt = IS_SET(MODE_ALTSCREEN);
 				if (alt) {
-					tclearregion(0, 0, term.col-1,
+					tclearregion(0, 0, term.maxcol-1, term.row-1);
-							term.row-1);
 				}
 				if (set ^ alt) /* set is always 1 or 0 */
 					tswapscreen();
@@ -1688,9 +1645,9 @@ tsetmode(int priv, int set, const int *args, int narg)
 void
 csihandle(void)
 {
-	char buf[40];
+	char buffer[40];
 	int len;
-	ImageList *im;
+	int maxcol = term.maxcol;
 
 	switch (csiescseq.mode[0]) {
 	default:
@@ -1788,30 +1745,49 @@ csihandle(void)
 	case 'J': /* ED -- Clear screen */
 		switch (csiescseq.arg[0]) {
 		case 0: /* below */
-			tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+			tclearregion(term.c.x, term.c.y, maxcol-1, term.c.y);
 			if (term.c.y < term.row-1) {
-				tclearregion(0, term.c.y+1, term.col-1,
+				tclearregion(0, term.c.y+1, maxcol-1,
 						term.row-1);
 			}
 			break;
 		case 1: /* above */
 			if (term.c.y > 1)
-				tclearregion(0, 0, term.col-1, term.c.y-1);
+				tclearregion(0, 0, maxcol-1, term.c.y-1);
 			tclearregion(0, term.c.y, term.c.x, term.c.y);
 			break;
 		case 2: /* screen */
-			tclearregion(0, 0, term.col-1, term.row-1);
+			if (!IS_SET(MODE_ALTSCREEN)) {
+				kscrolldown(&((Arg){ .i = term.scr }));
+				int n, m, bot = term.bot;
+				term.bot = term.row-1;
+				for (n = term.row-1; n >= 0; n--) {
+					for (m = 0; m < maxcol && term.line[n][m].u == ' ' && !term.line[n][m].mode; m++);
+					if (m < maxcol) {
+						tscrollup(0, n+1, 1);
 						break;
-		case 3: /* all including scrollback */
+					}
-			tclearregion(0, 0, term.col-1, term.row-1);
+				}
+				if (n < term.row-1)
+					tclearregion(0, 0, maxcol-1, term.row-n-2);
+				term.bot = bot;
+				break;
+			}
 
+			tclearregion(0, 0, maxcol-1, term.row-1);
+
+			break;
+		case 3: /* scrollback */
+			if (!IS_SET(MODE_ALTSCREEN)) {
 				term.scr = 0;
 				term.histi = 0;
-			for (int i = 0; i < HISTSIZE; i++)
+				term.histn = 0;
-				term.hist[i][0].u = '\0';
+				Glyph g=(Glyph){.bg=term.c.attr.bg, .fg=term.c.attr.fg, .u=' ', .mode=0};
-
+				for (int i = 0; i < HISTSIZE; i++) {
-			for (im = term.images; im; im = im->next)
+					for (int j = 0; j < maxcol; j++)
-				im->should_delete = 1;
+						term.hist[i][j] = g;
+				}
+			}
 			break;
 		default:
 			goto unknown;
@@ -1820,24 +1796,24 @@ csihandle(void)
 	case 'K': /* EL -- Clear line */
 		switch (csiescseq.arg[0]) {
 		case 0: /* right */
-			tclearregion(term.c.x, term.c.y, term.col-1,
+			tclearregion(term.c.x, term.c.y, maxcol-1,
 					term.c.y);
 			break;
 		case 1: /* left */
 			tclearregion(0, term.c.y, term.c.x, term.c.y);
 			break;
 		case 2: /* all */
-			tclearregion(0, term.c.y, term.col-1, term.c.y);
+			tclearregion(0, term.c.y, maxcol-1, term.c.y);
 			break;
 		}
 		break;
 	case 'S': /* SU -- Scroll <n> line up */
 		DEFAULT(csiescseq.arg[0], 1);
-		tscrollup(term.top, csiescseq.arg[0], 1);
+		tscrollup(term.top, csiescseq.arg[0], 0);
 		break;
 	case 'T': /* SD -- Scroll <n> line down */
 		DEFAULT(csiescseq.arg[0], 1);
-		tscrolldown(term.top, csiescseq.arg[0], 1);
+		tscrolldown(term.top, csiescseq.arg[0]);
 		break;
 	case 'L': /* IL -- Insert <n> blank lines */
 		DEFAULT(csiescseq.arg[0], 1);
@@ -1875,9 +1851,9 @@ csihandle(void)
 		break;
 	case 'n': /* DSR – Device Status Report (cursor position) */
 		if (csiescseq.arg[0] == 6) {
-			len = snprintf(buf, sizeof(buf), "\033[%i;%iR",
+			len = snprintf(buffer, sizeof(buffer), "\033[%i;%iR",
 					term.c.y+1, term.c.x+1);
-			ttywrite(buf, len, 0);
+			ttywrite(buffer, len, 0);
 		}
 		break;
 	case 'r': /* DECSTBM -- Set Scrolling Region */
@@ -1967,13 +1943,47 @@ csireset(void)
 	memset(&csiescseq, 0, sizeof(csiescseq));
 }
 
+void
+osc4_color_response(int num)
+{
+	int n;
+	char buf[32];
+	unsigned char r, g, b;
+
+	if (xgetcolor(num, &r, &g, &b)) {
+		fprintf(stderr, "erresc: failed to fetch osc4 color %d\n", num);
+		return;
+	}
+
+	n = snprintf(buf, sizeof buf, "\033]4;%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
+			num, r, r, g, g, b, b);
+
+	ttywrite(buf, n, 1);
+}
+
+void
+osc_color_response(int index, int num)
+{
+	int n;
+	char buf[32];
+	unsigned char r, g, b;
+
+	if (xgetcolor(index, &r, &g, &b)) {
+		fprintf(stderr, "erresc: failed to fetch osc color %d\n", index);
+		return;
+	}
+
+	n = snprintf(buf, sizeof buf, "\033]%d;rgb:%02x%02x/%02x%02x/%02x%02x\007",
+			num, r, r, g, g, b, b);
+
+	ttywrite(buf, n, 1);
+}
+
 void
 strhandle(void)
 {
 	char *p = NULL, *dec;
 	int j, narg, par;
-	ImageList *new_image;
-	int i;
 
 	term.esc &= ~(ESC_STR_END|ESC_STR);
 	strparse();
@@ -2007,44 +2017,51 @@ strhandle(void)
 				}
 			}
 			return;
-		case 10: /* foreground set */
+		case 10:
 			if (narg < 2)
 				break;
 
 			p = strescseq.args[1];
-			if (xsetcolorname(defaultfg, p))
+
-				fprintf(stderr, "erresc: invalid foreground color %d\n", p);
+			if (!strcmp(p, "?"))
+				osc_color_response(defaultfg, 10);
+			else if (xsetcolorname(defaultfg, p))
+				fprintf(stderr, "erresc: invalid foreground color: %s\n", p);
 			else
-				redraw();
+				tfulldirt();
-			break;
 			return;
-		case 11: /* background set */
+		case 11:
 			if (narg < 2)
 				break;
 
 			p = strescseq.args[1];
-			if (xsetcolorname(defaultbg, p))
+
-				fprintf(stderr, "erresc: invalid background color %d\n", p);
+			if (!strcmp(p, "?"))
+				osc_color_response(defaultbg, 11);
+			else if (xsetcolorname(defaultbg, p))
+				fprintf(stderr, "erresc: invalid background color: %s\n", p);
 			else
-				redraw();
+				tfulldirt();
-			break;
 			return;
-		case 12: /* cursor color */
+		case 12:
 			if (narg < 2)
 				break;
 
 			p = strescseq.args[1];
-			if (xsetcolorname(defaultcs, p))
+
-				fprintf(stderr, "erresc: invalid cursor color %d\n", p);
+			if (!strcmp(p, "?"))
+				osc_color_response(defaultcs, 12);
+			else if (xsetcolorname(defaultcs, p))
+				fprintf(stderr, "erresc: invalid cursor color: %s\n", p);
 			else
-				redraw();
+				tfulldirt();
-			break;
+			return;
 		case 4: /* color set */
 			if ((par == 4 && narg < 3) || narg < 2)
 				break;
 			p = strescseq.args[((par == 4) ? 2 : 1)];
 			/* FALLTHROUGH */
-		case 104: /* color reset, here p = NULL */
+		case 104: /* color reset */
 			if (par == 10)
 				j = defaultfg;
 			else if (par == 11)
@@ -2054,7 +2071,9 @@ strhandle(void)
 			else
 				j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
 
-			if (xsetcolorname(j, p)) {
+			if (p && !strcmp(p, "?"))
+				osc4_color_response(j);
+			else if (xsetcolorname(j, p)) {
 				if (par == 104 && narg <= 1)
 					return; /* color reset without parameter */
 				fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
@@ -2062,7 +2081,7 @@ strhandle(void)
 			} else {
 				if (j == defaultbg)
 					xclearwin();
-				redraw();
+				tfulldirt();
 			}
 			return;
 		}
@@ -2071,44 +2090,6 @@ strhandle(void)
 		xsettitle(strescseq.args[0], 0);
 		return;
 	case 'P': /* DCS -- Device Control String */
-		if (IS_SET(MODE_SIXEL)) {
-			term.mode &= ~MODE_SIXEL;
-			new_image = malloc(sizeof(ImageList));
-			memset(new_image, 0, sizeof(ImageList));
-			new_image->x = term.c.x;
-			new_image->y = term.c.y;
-			new_image->width = sixel_st.image.width;
-			new_image->height = sixel_st.image.height;
-			new_image->pixels = malloc(new_image->width * new_image->height * 4);
-			if (sixel_parser_finalize(&sixel_st, new_image->pixels) != 0) {
-				perror("sixel_parser_finalize() failed");
-				sixel_parser_deinit(&sixel_st);
-				return;
-			}
-			sixel_parser_deinit(&sixel_st);
-			if (term.images) {
-				ImageList *im;
-				for (im = term.images; im->next;)
-					im = im->next;
-				im->next = new_image;
-				new_image->prev = im;
-			} else {
-				term.images = new_image;
-			}
-			for (i = 0; i < (sixel_st.image.height + win.ch-1)/win.ch; ++i) {
-				int x;
-				tclearregion(term.c.x, term.c.y, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw, term.c.y);
-				for (x = term.c.x; x < MIN(term.col, term.c.x+(sixel_st.image.width+win.cw-1)/win.cw); x++)
-					term.line[term.c.y][x].mode |= ATTR_SIXEL;
-				tnewline(1);
-			}
-		}
-		/* https://gitlab.com/gnachman/iterm2/-/wikis/synchronized-updates-spec */
-		if (strstr(strescseq.buf, "=1s") == strescseq.buf)
-			tsync_begin();  /* BSU */
-		else if (strstr(strescseq.buf, "=2s") == strescseq.buf)
-			tsync_end();  /* ESU */
-		return;
 	case '_': /* APC -- Application Program Command */
 	case '^': /* PM -- Privacy Message */
 		return;
@@ -2302,12 +2283,10 @@ tdectest(char c)
 void
 tstrsequence(uchar c)
 {
-	strreset();
 
 	switch (c) {
 	case 0x90:   /* DCS -- Device Control String */
 		c = 'P';
-		term.esc |= ESC_DCS;
 		break;
 	case 0x9f:   /* APC -- Application Program Command */
 		c = '_';
@@ -2319,6 +2298,7 @@ tstrsequence(uchar c)
 		c = ']';
 		break;
 	}
+	strreset();
 	strescseq.type = c;
 	term.esc |= ESC_STR;
 }
@@ -2438,7 +2418,6 @@ eschandle(uchar ascii)
 		term.esc |= ESC_UTF8;
 		return 0;
 	case 'P': /* DCS -- Device Control String */
-		term.esc |= ESC_DCS;
 	case '_': /* APC -- Application Program Command */
 	case '^': /* PM -- Privacy Message */
 	case ']': /* OSC -- Operating System Command */
@@ -2471,7 +2450,7 @@ eschandle(uchar ascii)
 		break;
 	case 'M': /* RI -- Reverse index */
 		if (term.c.y == term.top) {
-			tscrolldown(term.top, 1, 1);
+			tscrolldown(term.top, 1);
 		} else {
 			tmoveto(term.c.x, term.c.y-1);
 		}
@@ -2518,7 +2497,7 @@ tputc(Rune u)
 	Glyph *gp;
 
 	control = ISCONTROL(u);
-	if (u < 127 || !IS_SET(MODE_UTF8 | MODE_SIXEL))
+	if (u < 127 || !IS_SET(MODE_UTF8))
 	{
 		c[0] = u;
 		width = len = 1;
@@ -2540,18 +2519,11 @@ tputc(Rune u)
 	if (term.esc & ESC_STR) {
 		if (u == '\a' || u == 030 || u == 032 || u == 033 ||
 		   ISCONTROLC1(u)) {
-			term.esc &= ~(ESC_START|ESC_STR|ESC_DCS);
+			term.esc &= ~(ESC_START|ESC_STR);
 			term.esc |= ESC_STR_END;
 			goto check_control_code;
 		}
 
-		if (IS_SET(MODE_SIXEL)) {
-			if (sixel_parser_parse(&sixel_st, (unsigned char *)&u, 1) != 0)
-				perror("sixel_parser_parse() failed");
-			return;
-		}
-		if (term.esc & ESC_DCS)
-			goto check_control_code;
 
 		if (strescseq.len+len >= strescseq.siz) {
 			/*
@@ -2603,15 +2575,6 @@ check_control_code:
 				csihandle();
 			}
 			return;
-		} else if (term.esc & ESC_DCS) {
-			csiescseq.buf[csiescseq.len++] = u;
-			if (BETWEEN(u, 0x40, 0x7E)
-					|| csiescseq.len >= \
-					sizeof(csiescseq.buf)-1) {
-				csiparse();
-				dcshandle();
-			}
-			return;
 		} else if (term.esc & ESC_UTF8) {
 			tdefutf8(u);
 		} else if (term.esc & ESC_ALTCHARSET) {
@@ -2654,6 +2617,10 @@ 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;
 		}
@@ -2672,11 +2639,9 @@ twrite(const char *buf, int buflen, int show_ctrl)
 	Rune u;
 	int n;
 
-	int su0 = su;
-	twrite_aborted = 0;
 
 	for (n = 0; n < buflen; n += charsize) {
-		if (IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL))
+		if (IS_SET(MODE_UTF8))
 		{
 			/* process a complete utf8 char */
 			charsize = utf8decode(buf + n, &u, buflen - n);
@@ -2686,10 +2651,6 @@ twrite(const char *buf, int buflen, int show_ctrl)
 			u = buf[n] & 0xFF;
 			charsize = 1;
 		}
-		if (su0 && !su) {
-			twrite_aborted = 1;
-			break;  // ESU - allow rendering before a new BSU
-		}
 		if (show_ctrl && ISCONTROL(u)) {
 			if (u & 0x80) {
 				u &= 0x7f;
@@ -2754,12 +2715,11 @@ tresize(int col, int row)
 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
 
+	Glyph gc=(Glyph){.bg=term.c.attr.bg, .fg=term.c.attr.fg, .u=' ', .mode=0};
 	for (i = 0; i < HISTSIZE; i++) {
 		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
-		for (j = mincol; j < col; j++) {
+		for (j = mincol; j < col; j++)
-			term.hist[i][j] = term.c.attr;
+			term.hist[i][j] = gc;
-			term.hist[i][j].u = ' ';
-		}
 	}
 
 	/* resize each row to new width, zero-pad if needed */

suckless/st/st.h

@@ -43,21 +43,10 @@ enum glyph_attribute {
 	ATTR_WDUMMY     = 1 << 10,
 	ATTR_BOXDRAW    = 1 << 11,
 	ATTR_LIGA       = 1 << 12,
-	ATTR_SIXEL      = 1 << 13,
 	ATTR_BOLD_FAINT = ATTR_BOLD | ATTR_FAINT,
 	ATTR_DIRTYUNDERLINE = 1 << 15,
 };
 
-typedef struct _ImageList {
-	struct _ImageList *next, *prev;
-	unsigned char *pixels;
-	void *pixmap;
-	int width;
-	int height;
-	int x;
-	int y;
-	int should_delete;
-} ImageList;
 
 enum drawing_mode {
 	DRAW_NONE = 0,
@@ -120,6 +109,7 @@ typedef struct {
 	Line *alt;    /* alternate screen */
 	Line hist[HISTSIZE]; /* history buffer */
 	int histi;    /* history index */
+	int histn;    /* number of history entries */
 	int scr;      /* scroll back */
 	int *dirty;   /* dirtyness of lines */
 	TCursor c;    /* cursor */
@@ -133,8 +123,6 @@ typedef struct {
 	int charset;  /* current charset */
 	int icharset; /* selected charset for sequence */
 	int *tabs;
-	ImageList *images;     /* sixel images */
-	ImageList *images_alt; /* sixel images for alternate screen */
 	Rune lastc;   /* last printed char outside of sequence, 0 if control */
 } Term;
 
@@ -175,11 +163,6 @@ typedef struct {
 	Draw draw;
 	Visual *vis;
 	XSetWindowAttributes attrs;
-	/* Here, we use the term *pointer* to differentiate the cursor
-	 * one sees when hovering the mouse over the terminal from, e.g.,
-	 * a green rectangle where text would be entered. */
-	Cursor vpointer, bpointer; /* visible and hidden pointers */
-	int pointerisvisible;
 	int scr;
 	int isfixed; /* is fixed geometry? */
 	int depth; /* bit depth */
@@ -208,7 +191,6 @@ typedef struct {
 	void (*func)(const Arg *);
 	const Arg arg;
 	uint  release;
-	int  altscrn;  /* 0: don't care, -1: not alt screen, 1: alt screen */
 } MouseShortcut;
 
 typedef struct {
@@ -279,6 +261,9 @@ size_t utf8encode(Rune, char *);
 void *xmalloc(size_t);
 void *xrealloc(void *, size_t);
 char *xstrdup(const char *);
+
+int xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b);
+
 int isboxdraw(Rune);
 ushort boxdrawindex(const Glyph *);
 #ifdef XFT_VERSION
@@ -300,7 +285,6 @@ extern unsigned int tabspaces;
 extern unsigned int defaultfg;
 extern unsigned int defaultbg;
 extern unsigned int defaultcs;
-extern int extpipeactive;
 
 extern const int boxdraw, boxdraw_bold, boxdraw_braille;
 extern float alpha;

suckless/st/st.info

@@ -10,7 +10,7 @@ st-mono| simpleterm monocolor,
 	cbt=\E[Z,
 	cvvis=\E[?25h,
 	civis=\E[?25l,
-	clear=\E[H\E[3J,
+	clear=\E[H\E[2J,
 	cnorm=\E[?12l\E[?25h,
 	colors#2,
 	cols#80,
@@ -35,6 +35,7 @@ st-mono| simpleterm monocolor,
 	el=\E[K,
 	el1=\E[1K,
 	enacs=\E)0,
+	E3=\E[3J,
 	flash=\E[?5h$<80/>\E[?5l,
 	fsl=^G,
 	home=\E[H,

suckless/st/x.c

@@ -105,6 +105,7 @@ static void selnotify(XEvent *);
 static void selclear_(XEvent *);
 static void selrequest(XEvent *);
 static void setsel(char *, Time);
+static void sigusr1_reload(int sig);
 static int mouseaction(XEvent *, uint);
 static void mousesel(XEvent *, int);
 static void mousereport(XEvent *);
@@ -181,9 +182,10 @@ static char *opt_io    = NULL;
 static char *opt_line  = NULL;
 static char *opt_name  = NULL;
 static char *opt_title = NULL;
+static char *opt_dir   = NULL;
 
 
-static int oldbutton = 3; /* button event on startup: 3 = release */
+static uint buttons; /* bit field of pressed buttons */
 static int cursorblinks = 0;
 int borderpx;
 static Cursor cursor;
@@ -314,7 +316,6 @@ mouseaction(XEvent *e, uint release)
 	for (ms = mshortcuts; ms < mshortcuts + LEN(mshortcuts); ms++) {
 		if (ms->release == release &&
 				ms->button == e->xbutton.button &&
-				(!ms->altscrn || (ms->altscrn == (tisaltscr() ? 1 : -1))) &&
 				(match(ms->mod, state) ||  /* exact or forced */
 				 match(ms->mod, state & ~forcemousemod))) {
 			ms->func(&(ms->arg));
@@ -345,61 +346,69 @@ mousesel(XEvent *e, int done)
 void
 mousereport(XEvent *e)
 {
-	int len, x = evcol(e), y = evrow(e),
+	int len, btn, code;
-	    button = e->xbutton.button, state = e->xbutton.state;
+	int x = evcol(e), y = evrow(e);
+	int state = e->xbutton.state;
 	char buf[40];
 	static int ox, oy;
 
-	/* from urxvt */
+	if (e->type == MotionNotify) {
-	if (e->xbutton.type == MotionNotify) {
 		if (x == ox && y == oy)
 			return;
 		if (!IS_SET(MODE_MOUSEMOTION) && !IS_SET(MODE_MOUSEMANY))
 			return;
-		/* MOUSE_MOTION: no reporting if no button is pressed */
+		/* MODE_MOUSEMOTION: no reporting if no button is pressed */
-		if (IS_SET(MODE_MOUSEMOTION) && oldbutton == 3)
+		if (IS_SET(MODE_MOUSEMOTION) && buttons == 0)
 			return;
 
-		button = oldbutton + 32;
+		/* Set btn to lowest-numbered pressed button, or 12 if no
-		ox = x;
+		 * buttons are pressed. */
-		oy = y;
+		for (btn = 1; btn <= 11 && !(buttons & (1<<(btn-1))); btn++)
+			;
+		code = 32;
 	} else {
-		if (!IS_SET(MODE_MOUSESGR) && e->xbutton.type == ButtonRelease) {
+		btn = e->xbutton.button;
-			button = 3;
+		/* Only buttons 1 through 11 can be encoded */
-		} else {
+		if (btn < 1 || btn > 11)
-			button -= Button1;
+			return;
-			if (button >= 7)
+		if (e->type == ButtonRelease) {
-				button += 128 - 7;
-			else if (button >= 3)
-				button += 64 - 3;
-		}
-		if (e->xbutton.type == ButtonPress) {
-			oldbutton = button;
-			ox = x;
-			oy = y;
-		} else if (e->xbutton.type == ButtonRelease) {
-			oldbutton = 3;
 			/* MODE_MOUSEX10: no button release reporting */
 			if (IS_SET(MODE_MOUSEX10))
 				return;
-			if (button == 64 || button == 65)
+			/* Don't send release events for the scroll wheel */
+			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)) {
-		button += ((state & ShiftMask  ) ? 4  : 0)
+		code += ((state & ShiftMask  ) ?  4 : 0)
-			+ ((state & Mod4Mask   ) ? 8  : 0)
+		      + ((state & Mod1Mask   ) ?  8 : 0) /* meta key: alt */
 		      + ((state & ControlMask) ? 16 : 0);
 	}
 
 	if (IS_SET(MODE_MOUSESGR)) {
 		len = snprintf(buf, sizeof(buf), "\033[<%d;%d;%d%c",
-				button, x+1, y+1,
+				code, x+1, y+1,
-				e->xbutton.type == ButtonRelease ? 'm' : 'M');
+				e->type == ButtonRelease ? 'm' : 'M');
 	} else if (x < 223 && y < 223) {
 		len = snprintf(buf, sizeof(buf), "\033[M%c%c%c",
-				32+button, 32+x+1, 32+y+1);
+				32+code, 32+x+1, 32+y+1);
 	} else {
 		return;
 	}
@@ -410,9 +419,13 @@ mousereport(XEvent *e)
 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;
@@ -421,7 +434,7 @@ bpress(XEvent *e)
 	if (mouseaction(e, 0))
 		return;
 
-	if (e->xbutton.button == Button1) {
+	if (btn == Button1) {
 		/*
 		 * If the user clicks below predefined timeouts specific
 		 * snapping behaviour is exposed.
@@ -453,6 +466,7 @@ propnotify(XEvent *e)
 			 xpev->atom == clipboard)) {
 		selnotify(e);
 	}
+
 }
 
 void
@@ -483,7 +497,8 @@ selnotify(XEvent *e)
 			return;
 		}
 
-		if (e->type == PropertyNotify && nitems == 0 && rem == 0) {
+		if (e->type == PropertyNotify && nitems == 0 && rem == 0)
+		{
 			/*
 			 * If there is some PropertyNotify with no data, then
 			 * this is the signal of the selection owner that all
@@ -628,6 +643,13 @@ setsel(char *str, Time t)
 	clipcopy(NULL);
 }
 
+void
+sigusr1_reload(int sig)
+{
+	reload_config(sig);
+	signal(SIGUSR1, sigusr1_reload);
+}
+
 void
 xsetsel(char *str)
 {
@@ -637,6 +659,11 @@ 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;
@@ -644,7 +671,7 @@ brelease(XEvent *e)
 
 	if (mouseaction(e, 1))
 		return;
-	if (e->xbutton.button == Button1) {
+	if (btn == Button1) {
 		mousesel(e, 1);
 		openUrlOnClick(evcol(e), evrow(e), url_opener);
 	}
@@ -653,15 +680,6 @@ brelease(XEvent *e)
 void
 bmotion(XEvent *e)
 {
-	if (!xw.pointerisvisible) {
-		if (win.mode & MODE_MOUSE)
-			XUndefineCursor(xw.dpy, xw.win);
-		else
-			XDefineCursor(xw.dpy, xw.win, xw.vpointer);
-		xw.pointerisvisible = 1;
-		if (!IS_SET(MODE_MOUSEMANY))
-			xsetpointermotion(0);
-	}
 
 	if (IS_SET(MODE_MOUSE) && !(e->xbutton.state & forcemousemod)) {
 		mousereport(e);
@@ -774,6 +792,19 @@ xloadcols(void)
 	loaded = 1;
 }
 
+int
+xgetcolor(int x, unsigned char *r, unsigned char *g, unsigned char *b)
+{
+	if (!BETWEEN(x, 0, dc.collen))
+		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)
 {
@@ -805,12 +836,9 @@ xsetcolorname(int x, const char *name)
 void
 xclear(int x1, int y1, int x2, int y2)
 {
-	Color c;
+	XftDrawRect(xw.draw,
-	c = dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg];
+			&dc.col[IS_SET(MODE_REVERSE)? defaultfg : defaultbg],
-	if (invertcolors) {
+			x1, y1, x2-x1, y2-y1);
-		c = invertedcolor(&c);
-	}
-	XftDrawRect(xw.draw, &c, x1, y1, x2-x1, y2-y1);
 }
 
 void
@@ -1098,14 +1126,11 @@ void
 xinit(int cols, int rows)
 {
 	XGCValues gcvalues;
-	Pixmap blankpm;
 	Window parent;
 	pid_t thispid = getpid();
 	XWindowAttributes attr;
 	XVisualInfo vis;
 
-	if (!(xw.dpy = XOpenDisplay(NULL)))
-		die("can't open display\n");
 	xw.scr = XDefaultScreen(xw.dpy);
 
 	if (!(opt_embed && (parent = strtol(opt_embed, NULL, 0)))) {
@@ -1175,14 +1200,10 @@ xinit(int cols, int rows)
 	}
 
 	/* white cursor, black outline */
-	xw.pointerisvisible = 1;
+	cursor = XcursorLibraryLoadCursor(xw.dpy, mouseshape);
-	xw.vpointer = XcursorLibraryLoadCursor(xw.dpy, mouseshape);
+	XDefineCursor(xw.dpy, xw.win, cursor);
-	XDefineCursor(xw.dpy, xw.win, xw.vpointer);
 
 
-	blankpm = XCreateBitmapFromData(xw.dpy, xw.win, &(char){0}, 1, 1);
-	xw.bpointer = XCreatePixmapCursor(xw.dpy, blankpm, blankpm,
-					  &xmousefg, &xmousebg, 0, 0);
 
 	xw.xembed = XInternAtom(xw.dpy, "_XEMBED", False);
 	xw.wmdeletewin = XInternAtom(xw.dpy, "WM_DELETE_WINDOW", False);
@@ -1441,6 +1462,9 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 		bg = &dc.col[base.bg];
 	}
 
+	/* Change basic system colors [0-7] to bright system colors [8-15] */
+	if ((base.mode & ATTR_BOLD_FAINT) == ATTR_BOLD && BETWEEN(base.fg, 0, 7))
+		fg = &dc.col[base.fg + 8];
 
 	if (IS_SET(MODE_REVERSE)) {
 		if (fg == &dc.col[defaultfg]) {
@@ -1494,18 +1518,12 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 	if (base.mode & ATTR_INVISIBLE)
 		fg = bg;
 
-	if (invertcolors) {
-		revfg = invertedcolor(fg);
-		revbg = invertedcolor(bg);
-		fg = &revfg;
-		bg = &revbg;
-	}
 
 
 	if (dmode & DRAW_BG) {
 	/* Intelligent cleaning up of the borders. */
 	if (x == 0) {
-		xclear(0, (y == 0)? 0 : winy, win.vborderpx,
+		xclear(0, (y == 0)? 0 : winy, win.hborderpx,
 			winy + win.ch +
 			((winy + win.ch >= win.vborderpx + win.th)? win.h : 0));
 	}
@@ -1514,7 +1532,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 			((winy + win.ch >= win.vborderpx + win.th)? win.h : (winy + win.ch)));
 	}
 	if (y == 0)
-		xclear(winx, 0, winx + width, win.hborderpx);
+		xclear(winx, 0, winx + width, win.vborderpx);
 	if (winy + win.ch >= win.vborderpx + win.th)
 		xclear(winx, winy + win.ch, winx + width, win.h);
 
@@ -1574,9 +1592,8 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 
 		// Underline Style
 		if (base.ustyle != 3) {
-			//XftDrawRect(xw.draw, fg, winx, winy + dc.font.ascent + 1, width, 1);
 			XFillRectangle(xw.dpy, XftDrawDrawable(xw.draw), ugc, winx,
-				winy + dc.font.ascent + 1, width, wlw);
+				winy + dc.font.ascent * chscale + 1, width, wlw);
 		} else if (base.ustyle == 3) {
 			int ww = win.cw;//width;
 			int wh = dc.font.descent - wlw/2 - 1;//r.height/7;
@@ -1888,7 +1905,7 @@ xdrawglyphfontspecs(const XftGlyphFontSpec *specs, Glyph base, int len, int x, i
 	}
 
 	if (base.mode & ATTR_STRUCK) {
-		XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent / 3,
+		XftDrawRect(xw.draw, fg, winx, winy + win.cyo + 2 * dc.font.ascent * chscale / 3,
 				width, 1);
 	}
 	}
@@ -2088,8 +2105,6 @@ xfreetitlestack(void)
 int
 xstartdraw(void)
 {
-	if (IS_SET(MODE_VISIBLE))
-		XCopyArea(xw.dpy, xw.win, xw.buf, dc.gc, 0, 0, win.w, win.h, 0, 0);
 	return IS_SET(MODE_VISIBLE);
 }
 
@@ -2135,72 +2150,12 @@ xdrawline(Line line, int x1, int y1, int x2)
 void
 xfinishdraw(void)
 {
-	ImageList *im;
-	int x, y;
-	int n = 0;
-	int nlimit = 256;
-	XRectangle *rects = NULL;
-	XGCValues gcvalues;
-	GC gc;
 
-	XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w,
+
-			win.h, 0, 0);
+	XCopyArea(xw.dpy, xw.buf, xw.win, dc.gc, 0, 0, win.w, win.h, 0, 0);
 	XSetForeground(xw.dpy, dc.gc,
 			dc.col[IS_SET(MODE_REVERSE)?
 				defaultfg : defaultbg].pixel);
-
-	for (im = term.images; im; im = im->next) {
-		if (term.images == NULL) {
-			/* last image was deleted, bail out */
-			break;
-		}
-
-		if (im->should_delete) {
-			delete_image(im);
-
-			/* prevent the next iteration from accessing an invalid image pointer */
-			im = term.images;
-			if (im == NULL) {
-				break;
-			} else {
-				continue;
-			}
-		}
-
-		if (!im->pixmap) {
-			im->pixmap = (void *)XCreatePixmap(xw.dpy, xw.win, im->width, im->height,
-				xw.depth
-			);
-			XImage ximage = {
-				.format = ZPixmap,
-				.data = (char *)im->pixels,
-				.width = im->width,
-				.height = im->height,
-				.xoffset = 0,
-				.byte_order = LSBFirst,
-				.bitmap_bit_order = MSBFirst,
-				.bits_per_pixel = 32,
-				.bytes_per_line = im->width * 4,
-				.bitmap_unit = 32,
-				.bitmap_pad = 32,
-				.depth = xw.depth
-			};
-			XPutImage(xw.dpy, (Drawable)im->pixmap, dc.gc, &ximage, 0, 0, 0, 0, im->width, im->height);
-			free(im->pixels);
-			im->pixels = NULL;
-		}
-
-		n = 0;
-		memset(&gcvalues, 0, sizeof(gcvalues));
-		gc = XCreateGC(xw.dpy, xw.win, 0, &gcvalues);
-
-		XCopyArea(xw.dpy, (Drawable)im->pixmap, xw.buf, gc, 0, 0, im->width, im->height, borderpx + im->x * win.cw, borderpx + im->y * win.ch);
-		XFreeGC(xw.dpy, gc);
-
-	}
-
-	free(rects);
-	drawregion(0, 0, term.col, term.row);
 }
 
 void
@@ -2238,8 +2193,6 @@ unmap(XEvent *ev)
 void
 xsetpointermotion(int set)
 {
-	if (!set && !xw.pointerisvisible)
-		return;
 	MODBIT(xw.attrs.event_mask, set, PointerMotionMask);
 	XChangeWindowAttributes(xw.dpy, xw.win, CWEventMask, &xw.attrs);
 }
@@ -2250,7 +2203,6 @@ xsetmode(int set, unsigned int flags)
 	int mode = win.mode;
 	MODBIT(win.mode, set, flags);
 	if ((flags & MODE_MOUSE)
-		&& xw.pointerisvisible
 	) {
 		if (win.mode & MODE_MOUSE)
 			XUndefineCursor(xw.dpy, xw.win);
@@ -2371,11 +2323,6 @@ kpress(XEvent *ev)
 	Status status;
 	Shortcut *bp;
 
-	if (xw.pointerisvisible) {
-		XDefineCursor(xw.dpy, xw.win, xw.bpointer);
-		xsetpointermotion(1);
-		xw.pointerisvisible = 0;
-	}
 
 	if (IS_SET(MODE_KBDLOCK))
 		return;
@@ -2483,7 +2430,7 @@ run(void)
 		FD_SET(ttyfd, &rfd);
 		FD_SET(xfd, &rfd);
 
-		if (XPending(xw.dpy) || ttyread_pending())
+		if (XPending(xw.dpy))
 			timeout = 0;  /* existing events might not set xfd */
 
 		seltv.tv_sec = timeout / 1E3;
@@ -2497,8 +2444,7 @@ run(void)
 		}
 		clock_gettime(CLOCK_MONOTONIC, &now);
 
-		int ttyin = FD_ISSET(ttyfd, &rfd) || ttyread_pending();
+		if (FD_ISSET(ttyfd, &rfd))
-		if (ttyin)
 			ttyread();
 
 		xev = 0;
@@ -2522,7 +2468,7 @@ run(void)
 		 * maximum latency intervals during `cat huge.txt`, and perfect
 		 * sync with periodic updates from animations/key-repeats/etc.
 		 */
-		if (ttyin || xev)
+		if (FD_ISSET(ttyfd, &rfd) || xev)
 		{
 			if (!drawing) {
 				trigger = now;
@@ -2538,17 +2484,6 @@ run(void)
 				continue;  /* we have time, try to find idle */
 		}
 
-		if (tinsync(su_timeout)) {
-			/*
-			 * on synchronized-update draw-suspension: don't reset
-			 * drawing so that we draw ASAP once we can (just after
-			 * ESU). it won't be too soon because we already can
-			 * draw now but we skip. we set timeout > 0 to draw on
-			 * SU-timeout even without new content.
-			 */
-			timeout = minlatency;
-			continue;
-		}
 
 		/* idle detected or maxlatency exhausted -> draw */
 		timeout = -1;
@@ -2565,11 +2500,6 @@ run(void)
 			}
 		}
 
-		/* Refresh before drawing */
-		cresize(0, 0);
-		redraw();
-		xhints();
-
 		draw();
 		XFlush(xw.dpy);
 		drawing = 0;
@@ -2580,11 +2510,13 @@ void
 usage(void)
 {
 	die("usage: %s [-aiv] [-c class]"
+		" [-d path]"
 		" [-f font] [-g geometry]"
 	    " [-n name] [-o file]\n"
 	    "          [-T title] [-t title] [-w windowid]"
 	    " [[-e] command [args ...]]\n"
 	    "       %s [-aiv] [-c class]"
+		" [-d path]"
 		" [-f font] [-g geometry]"
 	    " [-n name] [-o file]\n"
 	    "          [-T title] [-t title] [-w windowid] -l line"
@@ -2608,6 +2540,9 @@ main(int argc, char *argv[])
 	case 'c':
 		opt_class = EARGF(usage());
 		break;
+	case 'd':
+		opt_dir = EARGF(usage());
+		break;
 	case 'e':
 		if (argc > 0)
 			--argc, ++argv;
@@ -2654,13 +2589,19 @@ run:
 
 	setlocale(LC_CTYPE, "");
 	XSetLocaleModifiers("");
-	reload_config(-1);
+	signal(SIGUSR1, sigusr1_reload);
+	if (!(xw.dpy = XOpenDisplay(NULL)))
+		die("Can't open display\n");
+
+	config_init(xw.dpy);
 	cols = MAX(cols, 1);
 	rows = MAX(rows, 1);
 	tnew(cols, rows);
 	xinit(cols, rows);
 	xsetenv();
 	selinit();
+	if (opt_dir && chdir(opt_dir))
+		die("Can't change to working directory %s\n", opt_dir);
 	run();
 
 	return 0;