[wiki] [sites] [st][scrollback] Update for latest release and git || Jochen Sprickerhof

From: <git_AT_suckless.org>
Date: Sat, 05 Dec 2020 14:15:38 +0100

commit aaee8d1c7d0c426b67725aa01ef86297df6689e6
Author: Jochen Sprickerhof <git_AT_jochen.sprickerhof.de>
Date: Sat Dec 5 14:14:58 2020 +0100

    [st][scrollback] Update for latest release and git

diff --git a/st.suckless.org/patches/scrollback/index.md b/st.suckless.org/patches/scrollback/index.md
index 8f154408..bd0276ea 100644
--- a/st.suckless.org/patches/scrollback/index.md
+++ b/st.suckless.org/patches/scrollback/index.md
_AT_@ -7,11 +7,8 @@ Scroll back through terminal output using Shift+{PageUp, PageDown}.
 
 Download
 --------
-* [st-scrollback-0.7.diff](st-scrollback-0.7.diff)
-* [st-scrollback-0.8.diff](st-scrollback-0.8.diff)
-* [st-scrollback-0.8.1.diff](st-scrollback-0.8.1.diff)
-* [st-scrollback-0.8.2.diff](st-scrollback-0.8.2.diff)
-* [st-scrollback-20200419-72e3f6c.diff](st-scrollback-20200419-72e3f6c.diff)
+* [st-scrollback-0.8.4.diff](st-scrollback-0.8.4.diff)
+* [st-scrollback-20201205-4ef0cbd.diff](st-scrollback-20201205-4ef0cbd.diff)
 
 Apply the following patch on top of the previous to allow scrolling
 using `Shift+MouseWheel`.
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-0.7.diff b/st.suckless.org/patches/scrollback/st-scrollback-0.7.diff
deleted file mode 100644
index 3f23f872..00000000
--- a/st.suckless.org/patches/scrollback/st-scrollback-0.7.diff
+++ /dev/null
_AT_@ -1,387 +0,0 @@
-diff --git a/config.def.h b/config.def.h
-index b41747f..eae969e 100644
---- a/config.def.h
-+++ b/config.def.h
-_AT_@ -7,6 +7,7 @@
- */
- static char font[] = "Liberation Mono:pixelsize=12:antialias=true:autohint=true";
- static int borderpx = 2;
-+#define histsize 2000
-
- /*
- * What program is execed by st depends of these precedence rules:
-_AT_@ -172,6 +173,8 @@ static Shortcut shortcuts[] = {
- { MODKEY|ShiftMask, XK_C, clipcopy, {.i = 0} },
- { MODKEY|ShiftMask, XK_V, clippaste, {.i = 0} },
- { MODKEY, XK_Num_Lock, numlock, {.i = 0} },
-+ { ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
-+ { ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
- };
-
- /*
-diff --git a/st.c b/st.c
-index 2594c65..233d301 100644
---- a/st.c
-+++ b/st.c
-_AT_@ -86,6 +86,8 @@ char *argv0;
- #define TRUERED(x) (((x) & 0xff0000) >> 8)
- #define TRUEGREEN(x) (((x) & 0xff00))
- #define TRUEBLUE(x) (((x) & 0xff) << 8)
-+#define TLINE(y) ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
-+ + histsize + 1) % histsize] : term.line[(y) - term.scr])
-
-
- enum glyph_attribute {
-_AT_@ -228,26 +230,6 @@ typedef struct {
- int narg; /* nb of args */
- } STREscape;
-
--/* Internal representation of the screen */
--typedef struct {
-- int row; /* nb row */
-- int col; /* nb col */
-- Line *line; /* screen */
-- Line *alt; /* alternate screen */
-- int *dirty; /* dirtyness of lines */
-- XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-- TCursor c; /* cursor */
-- int top; /* top scroll limit */
-- int bot; /* bottom scroll limit */
-- int mode; /* terminal mode flags */
-- int esc; /* escape state flags */
-- char trantbl[4]; /* charset table translation */
-- int charset; /* current charset */
-- int icharset; /* selected charset for sequence */
-- int numlock; /* lock numbers in keyboard */
-- int *tabs;
--} Term;
--
- /* Purely graphic info */
- typedef struct {
- 	Display *dpy;
-_AT_@ -327,6 +309,8 @@ typedef struct {
- /* function definitions used in config.h */
- static void clipcopy(const Arg *);
- static void clippaste(const Arg *);
-+static void kscrolldown(const Arg *);
-+static void kscrollup(const Arg *);
- static void numlock(const Arg *);
- static void selpaste(const Arg *);
- static void xzoom(const Arg *);
-_AT_@ -340,6 +324,29 @@ static void sendbreak(const Arg *);
- /* Config.h for applying patches and the configuration. */
- #include "config.h"
- 
-+/* Internal representation of the screen */
-+typedef struct {
-+	int row;      /* nb row */
-+	int col;      /* nb col */
-+	Line *line;   /* screen */
-+	Line *alt;    /* alternate screen */
-+	Line hist[histsize]; /* history buffer */
-+	int histi;    /* history index */
-+	int scr;      /* scroll back */
-+	int *dirty;  /* dirtyness of lines */
-+	XftGlyphFontSpec *specbuf; /* font spec buffer used for rendering */
-+	TCursor c;    /* cursor */
-+	int top;      /* top    scroll limit */
-+	int bot;      /* bottom scroll limit */
-+	int mode;     /* terminal mode flags */
-+	int esc;      /* escape state flags */
-+	char trantbl[4]; /* charset table translation */
-+	int charset;  /* current charset */
-+	int icharset; /* selected charset for sequence */
-+	int numlock; /* lock numbers in keyboard */
-+	int *tabs;
-+} Term;
-+
- /* Font structure */
- typedef struct {
- 	int height;
-_AT_@ -399,8 +406,8 @@ static void tputtab(int);
- static void tputc(Rune);
- static void treset(void);
- static void tresize(int, int);
--static void tscrollup(int, int);
--static void tscrolldown(int, int);
-+static void tscrollup(int, int, int);
-+static void tscrolldown(int, int, int);
- static void tsetattr(int *, int);
- static void tsetchar(Rune, Glyph *, int, int);
- static void tsetscroll(int, int);
-_AT_@ -731,10 +738,10 @@ tlinelen(int y)
- {
- 	int i = term.col;
- 
--	if (term.line[y][i - 1].mode & ATTR_WRAP)
-+	if (TLINE(y)[i - 1].mode & ATTR_WRAP)
- 		return i;
- 
--	while (i > 0 && term.line[y][i - 1].u == ' ')
-+	while (i > 0 && TLINE(y)[i - 1].u == ' ')
- 		--i;
- 
- 	return i;
-_AT_@ -796,7 +803,7 @@ selsnap(int *x, int *y, int direction)
- 		 * Snap around if the word wraps around at the end or
- 		 * beginning of a line.
- 		 */
--		prevgp = &term.line[*y][*x];
-+		prevgp = &TLINE(*y)[*x];
- 		prevdelim = ISDELIM(prevgp->u);
- 		for (;;) {
- 			newx = *x + direction;
-_AT_@ -811,14 +818,14 @@ selsnap(int *x, int *y, int direction)
- 					yt = *y, xt = *x;
- 				else
- 					yt = newy, xt = newx;
--				if (!(term.line[yt][xt].mode & ATTR_WRAP))
-+				if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- 					break;
- 			}
- 
- 			if (newx >= tlinelen(newy))
- 				break;
- 
--			gp = &term.line[newy][newx];
-+			gp = &TLINE(newy)[newx];
- 			delim = ISDELIM(gp->u);
- 			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- 					|| (delim && gp->u != prevgp->u)))
-_AT_@ -839,14 +846,14 @@ selsnap(int *x, int *y, int direction)
- 		*x = (direction < 0) ? 0 : term.col - 1;
- 		if (direction < 0) {
- 			for (; *y > 0; *y += direction) {
--				if (!(term.line[*y-1][term.col-1].mode
-+				if (!(TLINE(*y-1)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
- 			}
- 		} else if (direction > 0) {
- 			for (; *y < term.row-1; *y += direction) {
--				if (!(term.line[*y][term.col-1].mode
-+				if (!(TLINE(*y)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
-_AT_@ -1012,13 +1019,13 @@ getsel(void)
- 		}
- 
- 		if (sel.type == SEL_RECTANGULAR) {
--			gp = &term.line[y][sel.nb.x];
-+			gp = &TLINE(y)[sel.nb.x];
- 			lastx = sel.ne.x;
- 		} else {
--			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
-+			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- 		}
--		last = &term.line[y][MIN(lastx, linelen-1)];
-+		last = &TLINE(y)[MIN(lastx, linelen-1)];
- 		while (last >= gp && last->u == ' ')
- 			--last;
- 
-_AT_@ -1490,6 +1497,9 @@ ttyread(void)
- 	/* keep any uncomplete utf8 char for the next call */
- 	memmove(buf, ptr, buflen);
- 
-+	if (term.scr > 0 && term.scr < histsize-1)
-+		term.scr++;
-+
- 	return ret;
- }
- 
-_AT_@ -1499,6 +1509,9 @@ ttywrite(const char *s, size_t n)
- 	fd_set wfd, rfd;
- 	ssize_t r;
- 	size_t lim = 256;
-+	Arg arg = (Arg){ .i = term.scr };
-+
-+	kscrolldown(&arg);
- 
- 	/*
- 	 * Remember that we are using a pty, which might be a modem line.
-_AT_@ -1690,13 +1703,53 @@ tswapscreen(void)
- }
- 
- void
--tscrolldown(int orig, int n)
-+kscrolldown(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (n > term.scr)
-+		n = term.scr;
-+
-+	if (term.scr > 0) {
-+		term.scr -= n;
-+		selscroll(0, -n);
-+		tfulldirt();
-+	}
-+}
-+
-+void
-+kscrollup(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (term.scr <= histsize - n) {
-+		term.scr += n;
-+		selscroll(0, n);
-+		tfulldirt();
-+	}
-+}
-+
-+void
-+tscrolldown(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi - 1 + histsize) % histsize;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[term.bot];
-+		term.line[term.bot] = temp;
-+	}
-+
- 	tsetdirt(orig, term.bot-n);
- 	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
- 
-_AT_@ -1710,13 +1763,20 @@ tscrolldown(int orig, int n)
- }
- 
- void
--tscrollup(int orig, int n)
-+tscrollup(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi + 1) % histsize;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[orig];
-+		term.line[orig] = temp;
-+	}
-+
- 	tclearregion(0, orig, term.col-1, orig+n-1);
- 	tsetdirt(orig+n, term.bot);
- 
-_AT_@ -1765,7 +1825,7 @@ tnewline(int first_col)
- 	int y = term.c.y;
- 
- 	if (y == term.bot) {
--		tscrollup(term.top, 1);
-+		tscrollup(term.top, 1, 1);
- 	} else {
- 		y++;
- 	}
-_AT_@ -1930,14 +1990,14 @@ void
- tinsertblankline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrolldown(term.c.y, n);
-+		tscrolldown(term.c.y, n, 0);
- }
- 
- void
- tdeleteline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrollup(term.c.y, n);
-+		tscrollup(term.c.y, n, 0);
- }
- 
- int32_t
-_AT_@ -2371,11 +2431,11 @@ csihandle(void)
- 		break;
- 	case 'S': /* SU -- Scroll <n> line up */
- 		DEFAULT(csiescseq.arg[0], 1);
--		tscrollup(term.top, csiescseq.arg[0]);
-+		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]);
-+		tscrolldown(term.top, csiescseq.arg[0], 0);
- 		break;
- 	case 'L': /* IL -- Insert <n> blank lines */
- 		DEFAULT(csiescseq.arg[0], 1);
-_AT_@ -2871,7 +2931,7 @@ eschandle(uchar ascii)
- 		return 0;
- 	case 'D': /* IND -- Linefeed */
- 		if (term.c.y == term.bot) {
--			tscrollup(term.top, 1);
-+			tscrollup(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y+1);
- 		}
-_AT_@ -2884,7 +2944,7 @@ eschandle(uchar ascii)
- 		break;
- 	case 'M': /* RI -- Reverse index */
- 		if (term.c.y == term.top) {
--			tscrolldown(term.top, 1);
-+			tscrolldown(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y-1);
- 		}
-_AT_@ -3047,7 +3107,7 @@ tputc(Rune u)
- void
- tresize(int col, int row)
- {
--	int i;
-+	int i, j;
- 	int minrow = MIN(row, term.row);
- 	int mincol = MIN(col, term.col);
- 	int *bp;
-_AT_@ -3087,6 +3147,14 @@ tresize(int col, int row)
- 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
- 
-+	for (i = 0; i < histsize; i++) {
-+		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
-+		for (j = mincol; j < col; j++) {
-+			term.hist[i][j] = term.c.attr;
-+			term.hist[i][j].u = ' ';
-+		}
-+	}
-+
- 	/* resize each row to new width, zero-pad if needed */
- 	for (i = 0; i < minrow; i++) {
- 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
-_AT_@ -3976,11 +4044,11 @@ drawregion(int x1, int y1, int x2, int y2)
- 		term.dirty[y] = 0;
- 
- 		specs = term.specbuf;
--		numspecs = xmakeglyphfontspecs(specs, &term.line[y][x1], x2 - x1, x1, y);
-+		numspecs = xmakeglyphfontspecs(specs, &TLINE(y)[x1], x2 - x1, x1, y);
- 
- 		i = ox = 0;
- 		for (x = x1; x < x2 && i < numspecs; x++) {
--			new = term.line[y][x];
-+			new = TLINE(y)[x];
- 			if (new.mode == ATTR_WDUMMY)
- 				continue;
- 			if (ena_sel && selected(x, y))
-_AT_@ -4000,7 +4068,8 @@ drawregion(int x1, int y1, int x2, int y2)
- 		if (i > 0)
- 			xdrawglyphfontspecs(specs, base, i, ox, y);
- 	}
--	xdrawcursor();
-+	if (term.scr == 0)
-+		xdrawcursor();
- }
- 
- void
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-0.8.1.diff b/st.suckless.org/patches/scrollback/st-scrollback-0.8.1.diff
deleted file mode 100644
index face2d9b..00000000
--- a/st.suckless.org/patches/scrollback/st-scrollback-0.8.1.diff
+++ /dev/null
_AT_@ -1,349 +0,0 @@
-From f2d5975051daf2b4496a0b0193381e0d6c55a80b Mon Sep 17 00:00:00 2001
-From: Jordan Cran <jordan_AT_instantepiphany.com.au>
-Date: Sun, 17 Feb 2019 11:57:35 +1100
-Subject: [PATCH] Add scrollback (4000 line history default) for 0.8.1
-
----
- config.def.h |   2 +
- st.c         | 119 ++++++++++++++++++++++++++++++++++++++++-----------
- st.h         |   2 +
- 3 files changed, 98 insertions(+), 25 deletions(-)
-
-diff --git a/config.def.h b/config.def.h
-index 82b1b09..27d42ca 100644
---- a/config.def.h
-+++ b/config.def.h
-_AT_@ -178,6 +178,8 @@ static Shortcut shortcuts[] = {
- 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
- 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
- 	{ TERMMOD,              XK_I,           iso14755,       {.i =  0} },
-+	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
-+	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
- };
- 
- /*
-diff --git a/st.c b/st.c
-index 46c954b..a6a0ba0 100644
---- a/st.c
-+++ b/st.c
-_AT_@ -35,6 +35,7 @@
- #define ESC_ARG_SIZ   16
- #define STR_BUF_SIZ   ESC_BUF_SIZ
- #define STR_ARG_SIZ   ESC_ARG_SIZ
-+#define HISTSIZE      2000
- 
- /* macros */
- #define IS_SET(flag)		((term.mode & (flag)) != 0)
-_AT_@ -43,6 +44,9 @@
- #define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
- #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
- #define ISDELIM(u)		(utf8strchr(worddelimiters, u) != NULL)
-+#define TLINE(y)		((y) < term.scr ? term.hist[((y) + term.histi - \
-+				term.scr + HISTSIZE + 1) % HISTSIZE] : \
-+				term.line[(y) - term.scr])
- 
- /* constants */
- #define ISO14755CMD		"dmenu -w \"$WINDOWID\" -p codepoint: </dev/null"
-_AT_@ -121,6 +125,9 @@ typedef struct {
- 	int col;      /* nb col */
- 	Line *line;   /* screen */
- 	Line *alt;    /* alternate screen */
-+	Line hist[HISTSIZE]; /* history buffer */
-+	int histi;    /* history index */
-+	int scr;      /* scroll back */
- 	int *dirty;   /* dirtyness of lines */
- 	TCursor c;    /* cursor */
- 	int ocx;      /* old cursor col */
-_AT_@ -188,8 +195,8 @@ static void tnewline(int);
- static void tputtab(int);
- static void tputc(Rune);
- static void treset(void);
--static void tscrollup(int, int);
--static void tscrolldown(int, int);
-+static void tscrollup(int, int, int);
-+static void tscrolldown(int, int, int);
- static void tsetattr(int *, int);
- static void tsetchar(Rune, Glyph *, int, int);
- static void tsetdirt(int, int);
-_AT_@ -431,10 +438,10 @@ tlinelen(int y)
- {
- 	int i = term.col;
- 
--	if (term.line[y][i - 1].mode & ATTR_WRAP)
-+	if (TLINE(y)[i - 1].mode & ATTR_WRAP)
- 		return i;
- 
--	while (i > 0 && term.line[y][i - 1].u == ' ')
-+	while (i > 0 && TLINE(y)[i - 1].u == ' ')
- 		--i;
- 
- 	return i;
-_AT_@ -543,7 +550,7 @@ selsnap(int *x, int *y, int direction)
- 		 * Snap around if the word wraps around at the end or
- 		 * beginning of a line.
- 		 */
--		prevgp = &term.line[*y][*x];
-+		prevgp = &TLINE(*y)[*x];
- 		prevdelim = ISDELIM(prevgp->u);
- 		for (;;) {
- 			newx = *x + direction;
-_AT_@ -558,14 +565,14 @@ selsnap(int *x, int *y, int direction)
- 					yt = *y, xt = *x;
- 				else
- 					yt = newy, xt = newx;
--				if (!(term.line[yt][xt].mode & ATTR_WRAP))
-+				if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- 					break;
- 			}
- 
- 			if (newx >= tlinelen(newy))
- 				break;
- 
--			gp = &term.line[newy][newx];
-+			gp = &TLINE(newy)[newx];
- 			delim = ISDELIM(gp->u);
- 			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- 					|| (delim && gp->u != prevgp->u)))
-_AT_@ -586,14 +593,14 @@ selsnap(int *x, int *y, int direction)
- 		*x = (direction < 0) ? 0 : term.col - 1;
- 		if (direction < 0) {
- 			for (; *y > 0; *y += direction) {
--				if (!(term.line[*y-1][term.col-1].mode
-+				if (!(TLINE(*y-1)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
- 			}
- 		} else if (direction > 0) {
- 			for (; *y < term.row-1; *y += direction) {
--				if (!(term.line[*y][term.col-1].mode
-+				if (!(TLINE(*y)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
-_AT_@ -624,13 +631,13 @@ getsel(void)
- 		}
- 
- 		if (sel.type == SEL_RECTANGULAR) {
--			gp = &term.line[y][sel.nb.x];
-+			gp = &TLINE(y)[sel.nb.x];
- 			lastx = sel.ne.x;
- 		} else {
--			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
-+			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- 		}
--		last = &term.line[y][MIN(lastx, linelen-1)];
-+		last = &TLINE(y)[MIN(lastx, linelen-1)];
- 		while (last >= gp && last->u == ' ')
- 			--last;
- 
-_AT_@ -842,6 +849,9 @@ void
- ttywrite(const char *s, size_t n, int may_echo)
- {
- 	const char *next;
-+	Arg arg = (Arg) { .i = term.scr };
-+
-+	kscrolldown(&arg);
- 
- 	if (may_echo && IS_SET(MODE_ECHO))
- 		twrite(s, n, 1);
-_AT_@ -1053,13 +1063,53 @@ tswapscreen(void)
- }
- 
- void
--tscrolldown(int orig, int n)
-+kscrolldown(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (n > term.scr)
-+		n = term.scr;
-+
-+	if (term.scr > 0) {
-+		term.scr -= n;
-+		selscroll(0, -n);
-+		tfulldirt();
-+	}
-+}
-+
-+void
-+kscrollup(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (term.scr <= HISTSIZE-n) {
-+		term.scr += n;
-+		selscroll(0, n);
-+		tfulldirt();
-+	}
-+}
-+
-+void
-+tscrolldown(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[term.bot];
-+		term.line[term.bot] = temp;
-+	}
-+
- 	tsetdirt(orig, term.bot-n);
- 	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
- 
-_AT_@ -1073,13 +1123,23 @@ tscrolldown(int orig, int n)
- }
- 
- void
--tscrollup(int orig, int n)
-+tscrollup(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi + 1) % HISTSIZE;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[orig];
-+		term.line[orig] = temp;
-+	}
-+
-+	if (term.scr > 0 && term.scr < HISTSIZE)
-+		term.scr = MIN(term.scr + n, HISTSIZE-1);
-+
- 	tclearregion(0, orig, term.col-1, orig+n-1);
- 	tsetdirt(orig+n, term.bot);
- 
-_AT_@ -1128,7 +1188,7 @@ tnewline(int first_col)
- 	int y = term.c.y;
- 
- 	if (y == term.bot) {
--		tscrollup(term.top, 1);
-+		tscrollup(term.top, 1, 1);
- 	} else {
- 		y++;
- 	}
-_AT_@ -1293,14 +1353,14 @@ void
- tinsertblankline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrolldown(term.c.y, n);
-+		tscrolldown(term.c.y, n, 0);
- }
- 
- void
- tdeleteline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrollup(term.c.y, n);
-+		tscrollup(term.c.y, n, 0);
- }
- 
- int32_t
-_AT_@ -1729,11 +1789,11 @@ csihandle(void)
- 		break;
- 	case 'S': /* SU -- Scroll <n> line up */
- 		DEFAULT(csiescseq.arg[0], 1);
--		tscrollup(term.top, csiescseq.arg[0]);
-+		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]);
-+		tscrolldown(term.top, csiescseq.arg[0], 0);
- 		break;
- 	case 'L': /* IL -- Insert <n> blank lines */
- 		DEFAULT(csiescseq.arg[0], 1);
-_AT_@ -2257,7 +2317,7 @@ eschandle(uchar ascii)
- 		return 0;
- 	case 'D': /* IND -- Linefeed */
- 		if (term.c.y == term.bot) {
--			tscrollup(term.top, 1);
-+			tscrollup(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y+1);
- 		}
-_AT_@ -2270,7 +2330,7 @@ eschandle(uchar ascii)
- 		break;
- 	case 'M': /* RI -- Reverse index */
- 		if (term.c.y == term.top) {
--			tscrolldown(term.top, 1);
-+			tscrolldown(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y-1);
- 		}
-_AT_@ -2489,7 +2549,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
- void
- tresize(int col, int row)
- {
--	int i;
-+	int i, j;
- 	int minrow = MIN(row, term.row);
- 	int mincol = MIN(col, term.col);
- 	int *bp;
-_AT_@ -2526,6 +2586,14 @@ tresize(int col, int row)
- 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
- 
-+	for (i = 0; i < HISTSIZE; i++) {
-+		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
-+		for (j = mincol; j < col; j++) {
-+			term.hist[i][j] = term.c.attr;
-+			term.hist[i][j].u = ' ';
-+		}
-+	}
-+
- 	/* resize each row to new width, zero-pad if needed */
- 	for (i = 0; i < minrow; i++) {
- 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
-_AT_@ -2583,7 +2651,7 @@ drawregion(int x1, int y1, int x2, int y2)
- 			continue;
- 
- 		term.dirty[y] = 0;
--		xdrawline(term.line[y], x1, y, x2);
-+		xdrawline(TLINE(y), x1, y, x2);
- 	}
- }
- 
-_AT_@ -2604,8 +2672,9 @@ draw(void)
- 		cx--;
- 
- 	drawregion(0, 0, term.col, term.row);
--	xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
--			term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
-+	if (term.scr == 0)
-+		xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
-+				term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
- 	term.ocx = cx, term.ocy = term.c.y;
- 	xfinishdraw();
- }
-diff --git a/st.h b/st.h
-index dac64d8..d47e5fd 100644
---- a/st.h
-+++ b/st.h
-_AT_@ -80,6 +80,8 @@ void die(const char *, ...);
- void redraw(void);
- void draw(void);
- 
-+void kscrolldown(const Arg *);
-+void kscrollup(const Arg *);
- void iso14755(const Arg *);
- void printscreen(const Arg *);
- void printsel(const Arg *);
--- 
-2.18.1
-
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-20200419-72e3f6c.diff b/st.suckless.org/patches/scrollback/st-scrollback-0.8.4.diff
similarity index 88%
rename from st.suckless.org/patches/scrollback/st-scrollback-20200419-72e3f6c.diff
rename to st.suckless.org/patches/scrollback/st-scrollback-0.8.4.diff
index e72999c1..88e0c794 100644
--- a/st.suckless.org/patches/scrollback/st-scrollback-20200419-72e3f6c.diff
+++ b/st.suckless.org/patches/scrollback/st-scrollback-0.8.4.diff
_AT_@ -1,8 +1,8 @@
 diff --git a/config.def.h b/config.def.h
-index 0895a1f..eef24df 100644
+index 6f05dce..93cbcc0 100644
 --- a/config.def.h
 +++ b/config.def.h
-_AT_@ -188,6 +188,8 @@ static Shortcut shortcuts[] = {
+_AT_@ -199,6 +199,8 @@ static Shortcut shortcuts[] = {
  	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
  	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
  	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
_AT_@ -12,7 +12,7 @@ index 0895a1f..eef24df 100644
  
  /*
 diff --git a/st.c b/st.c
-index 0ce6ac2..641edc0 100644
+index 76b7e0d..edec064 100644
 --- a/st.c
 +++ b/st.c
 _AT_@ -35,6 +35,7 @@
_AT_@ -33,7 +33,7 @@ index 0ce6ac2..641edc0 100644
  
  enum term_mode {
  	MODE_WRAP        = 1 << 0,
-_AT_@ -117,6 +121,9 @@ typedef struct {
+_AT_@ -115,6 +119,9 @@ typedef struct {
  	int col;      /* nb col */
  	Line *line;   /* screen */
  	Line *alt;    /* alternate screen */
_AT_@ -43,7 +43,7 @@ index 0ce6ac2..641edc0 100644
  	int *dirty;   /* dirtyness of lines */
  	TCursor c;    /* cursor */
  	int ocx;      /* old cursor col */
-_AT_@ -185,8 +192,8 @@ static void tnewline(int);
+_AT_@ -184,8 +191,8 @@ static void tnewline(int);
  static void tputtab(int);
  static void tputc(Rune);
  static void treset(void);
_AT_@ -54,7 +54,7 @@ index 0ce6ac2..641edc0 100644
  static void tsetattr(int *, int);
  static void tsetchar(Rune, Glyph *, int, int);
  static void tsetdirt(int, int);
-_AT_@ -415,10 +422,10 @@ tlinelen(int y)
+_AT_@ -414,10 +421,10 @@ tlinelen(int y)
  {
  	int i = term.col;
  
_AT_@ -67,7 +67,7 @@ index 0ce6ac2..641edc0 100644
  		--i;
  
  	return i;
-_AT_@ -527,7 +534,7 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -526,7 +533,7 @@ selsnap(int *x, int *y, int direction)
  		 * Snap around if the word wraps around at the end or
  		 * beginning of a line.
  		 */
_AT_@ -76,7 +76,7 @@ index 0ce6ac2..641edc0 100644
  		prevdelim = ISDELIM(prevgp->u);
  		for (;;) {
  			newx = *x + direction;
-_AT_@ -542,14 +549,14 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -541,14 +548,14 @@ selsnap(int *x, int *y, int direction)
  					yt = *y, xt = *x;
  				else
  					yt = newy, xt = newx;
_AT_@ -93,7 +93,7 @@ index 0ce6ac2..641edc0 100644
  			delim = ISDELIM(gp->u);
  			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
  					|| (delim && gp->u != prevgp->u)))
-_AT_@ -570,14 +577,14 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -569,14 +576,14 @@ selsnap(int *x, int *y, int direction)
  		*x = (direction < 0) ? 0 : term.col - 1;
  		if (direction < 0) {
  			for (; *y > 0; *y += direction) {
_AT_@ -110,7 +110,7 @@ index 0ce6ac2..641edc0 100644
  						& ATTR_WRAP)) {
  					break;
  				}
-_AT_@ -608,13 +615,13 @@ getsel(void)
+_AT_@ -607,13 +614,13 @@ getsel(void)
  		}
  
  		if (sel.type == SEL_RECTANGULAR) {
_AT_@ -127,7 +127,7 @@ index 0ce6ac2..641edc0 100644
  		while (last >= gp && last->u == ' ')
  			--last;
  
-_AT_@ -849,6 +856,9 @@ void
+_AT_@ -848,6 +855,9 @@ void
  ttywrite(const char *s, size_t n, int may_echo)
  {
  	const char *next;
_AT_@ -137,7 +137,7 @@ index 0ce6ac2..641edc0 100644
  
  	if (may_echo && IS_SET(MODE_ECHO))
  		twrite(s, n, 1);
-_AT_@ -1060,13 +1070,53 @@ tswapscreen(void)
+_AT_@ -1059,13 +1069,53 @@ tswapscreen(void)
  }
  
  void
_AT_@ -192,7 +192,7 @@ index 0ce6ac2..641edc0 100644
  	tsetdirt(orig, term.bot-n);
  	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
  
-_AT_@ -1076,17 +1126,28 @@ tscrolldown(int orig, int n)
+_AT_@ -1075,17 +1125,28 @@ tscrolldown(int orig, int n)
  		term.line[i-n] = temp;
  	}
  
_AT_@ -223,7 +223,7 @@ index 0ce6ac2..641edc0 100644
  	tclearregion(0, orig, term.col-1, orig+n-1);
  	tsetdirt(orig+n, term.bot);
  
-_AT_@ -1096,7 +1157,8 @@ tscrollup(int orig, int n)
+_AT_@ -1095,7 +1156,8 @@ tscrollup(int orig, int n)
  		term.line[i+n] = temp;
  	}
  
_AT_@ -233,7 +233,7 @@ index 0ce6ac2..641edc0 100644
  }
  
  void
-_AT_@ -1135,7 +1197,7 @@ tnewline(int first_col)
+_AT_@ -1124,7 +1186,7 @@ tnewline(int first_col)
  	int y = term.c.y;
  
  	if (y == term.bot) {
_AT_@ -242,7 +242,7 @@ index 0ce6ac2..641edc0 100644
  	} else {
  		y++;
  	}
-_AT_@ -1300,14 +1362,14 @@ void
+_AT_@ -1289,14 +1351,14 @@ void
  tinsertblankline(int n)
  {
  	if (BETWEEN(term.c.y, term.top, term.bot))
_AT_@ -259,7 +259,7 @@ index 0ce6ac2..641edc0 100644
  }
  
  int32_t
-_AT_@ -1738,11 +1800,11 @@ csihandle(void)
+_AT_@ -1733,11 +1795,11 @@ csihandle(void)
  		break;
  	case 'S': /* SU -- Scroll <n> line up */
  		DEFAULT(csiescseq.arg[0], 1);
_AT_@ -273,7 +273,7 @@ index 0ce6ac2..641edc0 100644
  		break;
  	case 'L': /* IL -- Insert <n> blank lines */
  		DEFAULT(csiescseq.arg[0], 1);
-_AT_@ -2248,7 +2310,7 @@ eschandle(uchar ascii)
+_AT_@ -2241,7 +2303,7 @@ eschandle(uchar ascii)
  		return 0;
  	case 'D': /* IND -- Linefeed */
  		if (term.c.y == term.bot) {
_AT_@ -282,7 +282,7 @@ index 0ce6ac2..641edc0 100644
  		} else {
  			tmoveto(term.c.x, term.c.y+1);
  		}
-_AT_@ -2261,7 +2323,7 @@ eschandle(uchar ascii)
+_AT_@ -2254,7 +2316,7 @@ eschandle(uchar ascii)
  		break;
  	case 'M': /* RI -- Reverse index */
  		if (term.c.y == term.top) {
_AT_@ -291,7 +291,7 @@ index 0ce6ac2..641edc0 100644
  		} else {
  			tmoveto(term.c.x, term.c.y-1);
  		}
-_AT_@ -2482,7 +2544,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
+_AT_@ -2464,7 +2526,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
  void
  tresize(int col, int row)
  {
_AT_@ -300,7 +300,7 @@ index 0ce6ac2..641edc0 100644
  	int minrow = MIN(row, term.row);
  	int mincol = MIN(col, term.col);
  	int *bp;
-_AT_@ -2519,6 +2581,14 @@ tresize(int col, int row)
+_AT_@ -2501,6 +2563,14 @@ tresize(int col, int row)
  	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
  	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
  
_AT_@ -315,7 +315,7 @@ index 0ce6ac2..641edc0 100644
  	/* resize each row to new width, zero-pad if needed */
  	for (i = 0; i < minrow; i++) {
  		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
-_AT_@ -2577,7 +2647,7 @@ drawregion(int x1, int y1, int x2, int y2)
+_AT_@ -2559,7 +2629,7 @@ drawregion(int x1, int y1, int x2, int y2)
  			continue;
  
  		term.dirty[y] = 0;
_AT_@ -324,7 +324,7 @@ index 0ce6ac2..641edc0 100644
  	}
  }
  
-_AT_@ -2598,8 +2668,9 @@ draw(void)
+_AT_@ -2580,8 +2650,9 @@ draw(void)
  		cx--;
  
  	drawregion(0, 0, term.col, term.row);
_AT_@ -337,7 +337,7 @@ index 0ce6ac2..641edc0 100644
  	term.ocy = term.c.y;
  	xfinishdraw();
 diff --git a/st.h b/st.h
-index d978458..b9a4eeb 100644
+index 3d351b6..f44e1d3 100644
 --- a/st.h
 +++ b/st.h
 _AT_@ -81,6 +81,8 @@ void die(const char *, ...);
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-0.8.diff b/st.suckless.org/patches/scrollback/st-scrollback-0.8.diff
deleted file mode 100644
index bd71589b..00000000
--- a/st.suckless.org/patches/scrollback/st-scrollback-0.8.diff
+++ /dev/null
_AT_@ -1,348 +0,0 @@
-diff --git a/config.def.h b/config.def.h
-index 82b1b09..27d42ca 100644
---- a/config.def.h
-+++ b/config.def.h
-_AT_@ -178,6 +178,8 @@ static Shortcut shortcuts[] = {
- 	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
- 	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
- 	{ TERMMOD,              XK_I,           iso14755,       {.i =  0} },
-+	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
-+	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
- };
- 
- /*
-diff --git a/st.c b/st.c
-index 65a0cb6..1d8c12a 100644
---- a/st.c
-+++ b/st.c
-_AT_@ -121,6 +121,9 @@ typedef struct {
- 	int col;      /* nb col */
- 	Line *line;   /* screen */
- 	Line *alt;    /* alternate screen */
-+	Line hist[HISTSIZE]; /* history buffer */
-+	int histi;    /* history index */
-+	int scr;      /* scroll back */
- 	int *dirty;   /* dirtyness of lines */
- 	TCursor c;    /* cursor */
- 	int ocx;      /* old cursor col */
-_AT_@ -188,8 +191,8 @@ static void tnewline(int);
- static void tputtab(int);
- static void tputc(Rune);
- static void treset(void);
--static void tscrollup(int, int);
--static void tscrolldown(int, int);
-+static void tscrollup(int, int, int);
-+static void tscrolldown(int, int, int);
- static void tsetattr(int *, int);
- static void tsetchar(Rune, Glyph *, int, int);
- static void tsetdirt(int, int);
-_AT_@ -431,10 +434,10 @@ tlinelen(int y)
- {
- 	int i = term.col;
- 
--	if (term.line[y][i - 1].mode & ATTR_WRAP)
-+	if (TLINE(y)[i - 1].mode & ATTR_WRAP)
- 		return i;
- 
--	while (i > 0 && term.line[y][i - 1].u == ' ')
-+	while (i > 0 && TLINE(y)[i - 1].u == ' ')
- 		--i;
- 
- 	return i;
-_AT_@ -543,7 +546,7 @@ selsnap(int *x, int *y, int direction)
- 		 * Snap around if the word wraps around at the end or
- 		 * beginning of a line.
- 		 */
--		prevgp = &term.line[*y][*x];
-+		prevgp = &TLINE(*y)[*x];
- 		prevdelim = ISDELIM(prevgp->u);
- 		for (;;) {
- 			newx = *x + direction;
-_AT_@ -558,14 +561,14 @@ selsnap(int *x, int *y, int direction)
- 					yt = *y, xt = *x;
- 				else
- 					yt = newy, xt = newx;
--				if (!(term.line[yt][xt].mode & ATTR_WRAP))
-+				if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
- 					break;
- 			}
- 
- 			if (newx >= tlinelen(newy))
- 				break;
- 
--			gp = &term.line[newy][newx];
-+			gp = &TLINE(newy)[newx];
- 			delim = ISDELIM(gp->u);
- 			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
- 					|| (delim && gp->u != prevgp->u)))
-_AT_@ -586,14 +589,14 @@ selsnap(int *x, int *y, int direction)
- 		*x = (direction < 0) ? 0 : term.col - 1;
- 		if (direction < 0) {
- 			for (; *y > 0; *y += direction) {
--				if (!(term.line[*y-1][term.col-1].mode
-+				if (!(TLINE(*y-1)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
- 			}
- 		} else if (direction > 0) {
- 			for (; *y < term.row-1; *y += direction) {
--				if (!(term.line[*y][term.col-1].mode
-+				if (!(TLINE(*y)[term.col-1].mode
- 						& ATTR_WRAP)) {
- 					break;
- 				}
-_AT_@ -624,13 +627,13 @@ getsel(void)
- 		}
- 
- 		if (sel.type == SEL_RECTANGULAR) {
--			gp = &term.line[y][sel.nb.x];
-+			gp = &TLINE(y)[sel.nb.x];
- 			lastx = sel.ne.x;
- 		} else {
--			gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
-+			gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
- 			lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
- 		}
--		last = &term.line[y][MIN(lastx, linelen-1)];
-+		last = &TLINE(y)[MIN(lastx, linelen-1)];
- 		while (last >= gp && last->u == ' ')
- 			--last;
- 
-_AT_@ -836,6 +839,9 @@ ttyread(void)
- 	if (buflen > 0)
- 		memmove(buf, buf + written, buflen);
- 
-+	if (term.scr > 0 && term.scr < HISTSIZE-1)
-+		term.scr++;
-+
- 	return ret;
- }
- 
-_AT_@ -843,6 +849,9 @@ void
- ttywrite(const char *s, size_t n, int may_echo)
- {
- 	const char *next;
-+	Arg arg = (Arg) { .i = term.scr };
-+
-+	kscrolldown(&arg);
- 
- 	if (may_echo && IS_SET(MODE_ECHO))
- 		twrite(s, n, 1);
-_AT_@ -1054,13 +1063,54 @@ tswapscreen(void)
- }
- 
- void
--tscrolldown(int orig, int n)
-+kscrolldown(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (n > term.scr)
-+		n = term.scr;
-+
-+	if (term.scr > 0) {
-+		term.scr -= n;
-+		selscroll(0, -n);
-+		tfulldirt();
-+	}
-+}
-+
-+void
-+kscrollup(const Arg* a)
-+{
-+	int n = a->i;
-+
-+	if (n < 0)
-+		n = term.row + n;
-+
-+	if (term.scr <= HISTSIZE-n) {
-+		term.scr += n;
-+		selscroll(0, n);
-+		tfulldirt();
-+	}
-+}
-+
-+
-+void
-+tscrolldown(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi - 1 + HISTSIZE) % HISTSIZE;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[term.bot];
-+		term.line[term.bot] = temp;
-+	}
-+
- 	tsetdirt(orig, term.bot-n);
- 	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
- 
-_AT_@ -1074,13 +1124,20 @@ tscrolldown(int orig, int n)
- }
- 
- void
--tscrollup(int orig, int n)
-+tscrollup(int orig, int n, int copyhist)
- {
- 	int i;
- 	Line temp;
- 
- 	LIMIT(n, 0, term.bot-orig+1);
- 
-+	if (copyhist) {
-+		term.histi = (term.histi + 1) % HISTSIZE;
-+		temp = term.hist[term.histi];
-+		term.hist[term.histi] = term.line[orig];
-+		term.line[orig] = temp;
-+	}
-+
- 	tclearregion(0, orig, term.col-1, orig+n-1);
- 	tsetdirt(orig+n, term.bot);
- 
-_AT_@ -1129,7 +1186,7 @@ tnewline(int first_col)
- 	int y = term.c.y;
- 
- 	if (y == term.bot) {
--		tscrollup(term.top, 1);
-+		tscrollup(term.top, 1, 1);
- 	} else {
- 		y++;
- 	}
-_AT_@ -1294,14 +1351,14 @@ void
- tinsertblankline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrolldown(term.c.y, n);
-+		tscrolldown(term.c.y, n, 0);
- }
- 
- void
- tdeleteline(int n)
- {
- 	if (BETWEEN(term.c.y, term.top, term.bot))
--		tscrollup(term.c.y, n);
-+		tscrollup(term.c.y, n, 0);
- }
- 
- int32_t
-_AT_@ -1730,11 +1787,11 @@ csihandle(void)
- 		break;
- 	case 'S': /* SU -- Scroll <n> line up */
- 		DEFAULT(csiescseq.arg[0], 1);
--		tscrollup(term.top, csiescseq.arg[0]);
-+		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]);
-+		tscrolldown(term.top, csiescseq.arg[0], 0);
- 		break;
- 	case 'L': /* IL -- Insert <n> blank lines */
- 		DEFAULT(csiescseq.arg[0], 1);
-_AT_@ -2258,7 +2315,7 @@ eschandle(uchar ascii)
- 		return 0;
- 	case 'D': /* IND -- Linefeed */
- 		if (term.c.y == term.bot) {
--			tscrollup(term.top, 1);
-+			tscrollup(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y+1);
- 		}
-_AT_@ -2271,7 +2328,7 @@ eschandle(uchar ascii)
- 		break;
- 	case 'M': /* RI -- Reverse index */
- 		if (term.c.y == term.top) {
--			tscrolldown(term.top, 1);
-+			tscrolldown(term.top, 1, 1);
- 		} else {
- 			tmoveto(term.c.x, term.c.y-1);
- 		}
-_AT_@ -2490,7 +2547,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
- void
- tresize(int col, int row)
- {
--	int i;
-+	int i, j;
- 	int minrow = MIN(row, term.row);
- 	int mincol = MIN(col, term.col);
- 	int *bp;
-_AT_@ -2527,7 +2584,15 @@ tresize(int col, int row)
- 	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
- 	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
- 
--	/* resize each row to new width, zero-pad if needed */
-+	for (i = 0; i < HISTSIZE; i++) {
-+		term.hist[i] = xrealloc(term.hist[i], col * sizeof(Glyph));
-+		for (j = mincol; j < col; j++) {
-+			term.hist[i][j] = term.c.attr;
-+			term.hist[i][j].u = ' ';
-+		}
-+	}
-+
-+	/* resize each r w to new width, zero-pad if needed */
- 	for (i = 0; i < minrow; i++) {
- 		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
- 		term.alt[i]  = xrealloc(term.alt[i],  col * sizeof(Glyph));
-_AT_@ -2584,7 +2649,7 @@ drawregion(int x1, int y1, int x2, int y2)
- 			continue;
- 
- 		term.dirty[y] = 0;
--		xdrawline(term.line[y], x1, y, x2);
-+		xdrawline(TLINE(y), x1, y, x2);
- 	}
- }
- 
-_AT_@ -2605,8 +2670,10 @@ draw(void)
- 		cx--;
- 
- 	drawregion(0, 0, term.col, term.row);
--	xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
--			term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
-+	if (term.scr == 0) {
-+		xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
-+				term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
-+	}
- 	term.ocx = cx, term.ocy = term.c.y;
- 	xfinishdraw();
- }
-diff --git a/st.h b/st.h
-index dac64d8..628e876 100644
---- a/st.h
-+++ b/st.h
-_AT_@ -3,6 +3,9 @@
- #include <stdint.h>
- #include <sys/types.h>
- 
-+/* Arbitrary size */
-+#define HISTSIZE      2000
-+
- /* macros */
- #define MIN(a, b)		((a) < (b) ? (a) : (b))
- #define MAX(a, b)		((a) < (b) ? (b) : (a))
-_AT_@ -19,6 +22,8 @@
- 
- #define TRUECOLOR(r,g,b)	(1 << 24 | (r) << 16 | (g) << 8 | (b))
- #define IS_TRUECOL(x)		(1 << 24 & (x))
-+#define TLINE(y)       ((y) < term.scr ? term.hist[((y) + term.histi - term.scr \
-+               + HISTSIZE + 1) % HISTSIZE] : term.line[(y) - term.scr])
- 
- enum glyph_attribute {
- 	ATTR_NULL       = 0,
-_AT_@ -111,6 +116,9 @@ void *xmalloc(size_t);
- void *xrealloc(void *, size_t);
- char *xstrdup(char *);
- 
-+void kscrolldown(const Arg *);
-+void kscrollup(const Arg *);
-+
- /* config.h globals */
- extern char *utmp;
- extern char *stty_args;
diff --git a/st.suckless.org/patches/scrollback/st-scrollback-0.8.2.diff b/st.suckless.org/patches/scrollback/st-scrollback-20201205-4ef0cbd.diff
similarity index 80%
rename from st.suckless.org/patches/scrollback/st-scrollback-0.8.2.diff
rename to st.suckless.org/patches/scrollback/st-scrollback-20201205-4ef0cbd.diff
index c961fd28..863306e1 100644
--- a/st.suckless.org/patches/scrollback/st-scrollback-0.8.2.diff
+++ b/st.suckless.org/patches/scrollback/st-scrollback-20201205-4ef0cbd.diff
_AT_@ -1,29 +1,18 @@
-From aecdff3915abe3e8b41275ea7f13f3ac6c54eb4a Mon Sep 17 00:00:00 2001
-From: Jacob Prosser <jacoblouisprosser_AT_protonmail.com>
-Date: Thu, 25 Apr 2019 12:55:32 +1000
-Subject: [PATCH] Scrollback w/ mouse
-
----
- config.def.h |   2 +
- st.c         | 115 ++++++++++++++++++++++++++++++++++++++++-----------
- st.h         |   2 +
- 3 files changed, 95 insertions(+), 24 deletions(-)
-
 diff --git a/config.def.h b/config.def.h
-index 0e01717..7326a74 100644
+index 6f05dce..93cbcc0 100644
 --- a/config.def.h
 +++ b/config.def.h
-_AT_@ -176,6 +176,8 @@ static Shortcut shortcuts[] = {
- 	{ TERMMOD,              XK_C,           clipcopy,       {.i =  0} },
- 	{ TERMMOD,              XK_V,           clippaste,      {.i =  0} },
+_AT_@ -199,6 +199,8 @@ static Shortcut shortcuts[] = {
  	{ TERMMOD,              XK_Y,           selpaste,       {.i =  0} },
-+	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
-+	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
  	{ ShiftMask,            XK_Insert,      selpaste,       {.i =  0} },
  	{ TERMMOD,              XK_Num_Lock,    numlock,        {.i =  0} },
++	{ ShiftMask,            XK_Page_Up,     kscrollup,      {.i = -1} },
++	{ ShiftMask,            XK_Page_Down,   kscrolldown,    {.i = -1} },
  };
+ 
+ /*
 diff --git a/st.c b/st.c
-index b8e6077..07e71e1 100644
+index abbbe4b..e2dd722 100644
 --- a/st.c
 +++ b/st.c
 _AT_@ -35,6 +35,7 @@
_AT_@ -37,14 +26,14 @@ index b8e6077..07e71e1 100644
 _AT_@ -42,6 +43,9 @@
  #define ISCONTROLC1(c)		(BETWEEN(c, 0x80, 0x9f))
  #define ISCONTROL(c)		(ISCONTROLC0(c) || ISCONTROLC1(c))
- #define ISDELIM(u)		(utf8strchr(worddelimiters, u) != NULL)
+ #define ISDELIM(u)		(u && wcschr(worddelimiters, u))
 +#define TLINE(y)		((y) < term.scr ? term.hist[((y) + term.histi - \
 +				term.scr + HISTSIZE + 1) % HISTSIZE] : \
 +				term.line[(y) - term.scr])
  
  enum term_mode {
  	MODE_WRAP        = 1 << 0,
-_AT_@ -117,6 +121,9 @@ typedef struct {
+_AT_@ -115,6 +119,9 @@ typedef struct {
  	int col;      /* nb col */
  	Line *line;   /* screen */
  	Line *alt;    /* alternate screen */
_AT_@ -65,7 +54,7 @@ index b8e6077..07e71e1 100644
  static void tsetattr(int *, int);
  static void tsetchar(Rune, Glyph *, int, int);
  static void tsetdirt(int, int);
-_AT_@ -427,10 +434,10 @@ tlinelen(int y)
+_AT_@ -414,10 +421,10 @@ tlinelen(int y)
  {
  	int i = term.col;
  
_AT_@ -78,7 +67,7 @@ index b8e6077..07e71e1 100644
  		--i;
  
  	return i;
-_AT_@ -539,7 +546,7 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -526,7 +533,7 @@ selsnap(int *x, int *y, int direction)
  		 * Snap around if the word wraps around at the end or
  		 * beginning of a line.
  		 */
_AT_@ -87,7 +76,7 @@ index b8e6077..07e71e1 100644
  		prevdelim = ISDELIM(prevgp->u);
  		for (;;) {
  			newx = *x + direction;
-_AT_@ -554,14 +561,14 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -541,14 +548,14 @@ selsnap(int *x, int *y, int direction)
  					yt = *y, xt = *x;
  				else
  					yt = newy, xt = newx;
_AT_@ -104,7 +93,7 @@ index b8e6077..07e71e1 100644
  			delim = ISDELIM(gp->u);
  			if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
  					|| (delim && gp->u != prevgp->u)))
-_AT_@ -582,14 +589,14 @@ selsnap(int *x, int *y, int direction)
+_AT_@ -569,14 +576,14 @@ selsnap(int *x, int *y, int direction)
  		*x = (direction < 0) ? 0 : term.col - 1;
  		if (direction < 0) {
  			for (; *y > 0; *y += direction) {
_AT_@ -121,7 +110,7 @@ index b8e6077..07e71e1 100644
  						& ATTR_WRAP)) {
  					break;
  				}
-_AT_@ -620,13 +627,13 @@ getsel(void)
+_AT_@ -607,13 +614,13 @@ getsel(void)
  		}
  
  		if (sel.type == SEL_RECTANGULAR) {
_AT_@ -138,7 +127,7 @@ index b8e6077..07e71e1 100644
  		while (last >= gp && last->u == ' ')
  			--last;
  
-_AT_@ -849,6 +856,9 @@ void
+_AT_@ -848,6 +855,9 @@ void
  ttywrite(const char *s, size_t n, int may_echo)
  {
  	const char *next;
_AT_@ -148,11 +137,11 @@ index b8e6077..07e71e1 100644
  
  	if (may_echo && IS_SET(MODE_ECHO))
  		twrite(s, n, 1);
-_AT_@ -1058,15 +1068,53 @@ tswapscreen(void)
- 	term.mode ^= MODE_ALTSCREEN;
- 	tfulldirt();
+_AT_@ -1059,13 +1069,53 @@ tswapscreen(void)
  }
-+void
+ 
+ void
+-tscrolldown(int orig, int n)
 +kscrolldown(const Arg* a)
 +{
 +	int n = a->i;
_AT_@ -174,6 +163,7 @@ index b8e6077..07e71e1 100644
 +kscrollup(const Arg* a)
 +{
 +	int n = a->i;
++
 +	if (n < 0)
 +		n = term.row + n;
 +
_AT_@ -183,9 +173,8 @@ index b8e6077..07e71e1 100644
 +		tfulldirt();
 +	}
 +}
- 
- void
--tscrolldown(int orig, int n)
++
++void
 +tscrolldown(int orig, int n, int copyhist)
  {
  	int i;
_AT_@ -203,7 +192,13 @@ index b8e6077..07e71e1 100644
  	tsetdirt(orig, term.bot-n);
  	tclearregion(0, term.bot-n+1, term.col-1, term.bot);
  
-_AT_@ -1080,13 +1128,23 @@ tscrolldown(int orig, int n)
+_AT_@ -1075,17 +1125,28 @@ tscrolldown(int orig, int n)
+ 		term.line[i-n] = temp;
+ 	}
+ 
+-	selscroll(orig, n);
++	if (term.scr == 0)
++		selscroll(orig, n);
  }
  
  void
_AT_@ -228,7 +223,17 @@ index b8e6077..07e71e1 100644
  	tclearregion(0, orig, term.col-1, orig+n-1);
  	tsetdirt(orig+n, term.bot);
  
-_AT_@ -1135,7 +1193,7 @@ tnewline(int first_col)
+_AT_@ -1095,7 +1156,8 @@ tscrollup(int orig, int n)
+ 		term.line[i+n] = temp;
+ 	}
+ 
+-	selscroll(orig, -n);
++	if (term.scr == 0)
++		selscroll(orig, -n);
+ }
+ 
+ void
+_AT_@ -1124,7 +1186,7 @@ tnewline(int first_col)
  	int y = term.c.y;
  
  	if (y == term.bot) {
_AT_@ -237,7 +242,7 @@ index b8e6077..07e71e1 100644
  	} else {
  		y++;
  	}
-_AT_@ -1300,14 +1358,14 @@ void
+_AT_@ -1289,14 +1351,14 @@ void
  tinsertblankline(int n)
  {
  	if (BETWEEN(term.c.y, term.top, term.bot))
_AT_@ -254,7 +259,7 @@ index b8e6077..07e71e1 100644
  }
  
  int32_t
-_AT_@ -1737,11 +1795,11 @@ csihandle(void)
+_AT_@ -1733,11 +1795,11 @@ csihandle(void)
  		break;
  	case 'S': /* SU -- Scroll <n> line up */
  		DEFAULT(csiescseq.arg[0], 1);
_AT_@ -268,7 +273,7 @@ index b8e6077..07e71e1 100644
  		break;
  	case 'L': /* IL -- Insert <n> blank lines */
  		DEFAULT(csiescseq.arg[0], 1);
-_AT_@ -2243,7 +2301,7 @@ eschandle(uchar ascii)
+_AT_@ -2249,7 +2311,7 @@ eschandle(uchar ascii)
  		return 0;
  	case 'D': /* IND -- Linefeed */
  		if (term.c.y == term.bot) {
_AT_@ -277,7 +282,7 @@ index b8e6077..07e71e1 100644
  		} else {
  			tmoveto(term.c.x, term.c.y+1);
  		}
-_AT_@ -2256,7 +2314,7 @@ eschandle(uchar ascii)
+_AT_@ -2262,7 +2324,7 @@ eschandle(uchar ascii)
  		break;
  	case 'M': /* RI -- Reverse index */
  		if (term.c.y == term.top) {
_AT_@ -286,7 +291,7 @@ index b8e6077..07e71e1 100644
  		} else {
  			tmoveto(term.c.x, term.c.y-1);
  		}
-_AT_@ -2475,7 +2533,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
+_AT_@ -2472,7 +2534,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
  void
  tresize(int col, int row)
  {
_AT_@ -295,7 +300,7 @@ index b8e6077..07e71e1 100644
  	int minrow = MIN(row, term.row);
  	int mincol = MIN(col, term.col);
  	int *bp;
-_AT_@ -2512,6 +2570,14 @@ tresize(int col, int row)
+_AT_@ -2509,6 +2571,14 @@ tresize(int col, int row)
  	term.dirty = xrealloc(term.dirty, row * sizeof(*term.dirty));
  	term.tabs = xrealloc(term.tabs, col * sizeof(*term.tabs));
  
_AT_@ -310,7 +315,7 @@ index b8e6077..07e71e1 100644
  	/* resize each row to new width, zero-pad if needed */
  	for (i = 0; i < minrow; i++) {
  		term.line[i] = xrealloc(term.line[i], col * sizeof(Glyph));
-_AT_@ -2569,7 +2635,7 @@ drawregion(int x1, int y1, int x2, int y2)
+_AT_@ -2567,7 +2637,7 @@ drawregion(int x1, int y1, int x2, int y2)
  			continue;
  
  		term.dirty[y] = 0;
_AT_@ -319,21 +324,23 @@ index b8e6077..07e71e1 100644
  	}
  }
  
-_AT_@ -2590,7 +2656,8 @@ draw(void)
+_AT_@ -2588,8 +2658,9 @@ draw(void)
  		cx--;
  
  	drawregion(0, 0, term.col, term.row);
 -	xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
+-			term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
 +	if (term.scr == 0)
 +		xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
- 			term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
- 	term.ocx = cx, term.ocy = term.c.y;
++				term.ocx, term.ocy, term.line[term.ocy][term.ocx]);
+ 	term.ocx = cx;
+ 	term.ocy = term.c.y;
  	xfinishdraw();
 diff --git a/st.h b/st.h
-index 38c61c4..17a79e0 100644
+index 3d351b6..f44e1d3 100644
 --- a/st.h
 +++ b/st.h
-_AT_@ -80,6 +80,8 @@ void die(const char *, ...);
+_AT_@ -81,6 +81,8 @@ void die(const char *, ...);
  void redraw(void);
  void draw(void);
  
_AT_@ -342,6 +349,3 @@ index 38c61c4..17a79e0 100644
  void printscreen(const Arg *);
  void printsel(const Arg *);
  void sendbreak(const Arg *);
--- 
-2.21.0
-
Received on Sat Dec 05 2020 - 14:15:38 CET

This archive was generated by hypermail 2.3.0 : Sat Dec 05 2020 - 14:24:42 CET