0.8.4 update, scroll added as separate prog

This commit is contained in:
Luke Smith 2021-02-05 22:14:48 -05:00
parent 73c034ba05
commit fa3c401390
No known key found for this signature in database
GPG key ID: 4C50B54A911F6252
15 changed files with 493 additions and 585 deletions

7
.gitignore vendored
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@ -1,5 +1,4 @@
st
patches/
.gitignore
*.o
pkg/
*.pkg.tar.xz
patches
st

3
.gitmodules vendored Normal file
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@ -0,0 +1,3 @@
[submodule "scroll"]
path = scroll
url = https://github.com/lukesmithxyz/scroll.git

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@ -1,3 +1,2 @@
github: lukesmithxyz
custom: ["https://lukesmith.xyz/donate", "https://paypal.me/lukemsmith", "https://lukesmith.xyz/crypto"]
patreon: lukesmith
custom: ["https://lukesmith.xyz/donate", "https://lukesmith.xyz/crypto"]

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

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@ -15,9 +15,6 @@ options:
@echo "LDFLAGS = $(STLDFLAGS)"
@echo "CC = $(CC)"
config.h:
cp config.def.h config.h
.c.o:
$(CC) $(STCFLAGS) -c $<
@ -32,17 +29,20 @@ st: $(OBJ)
$(CC) -o $@ $(OBJ) $(STLDFLAGS)
clean:
rm -f st $(OBJ) st-$(VERSION).tar.gz *.o *.orig *.rej
rm -f st $(OBJ) st-$(VERSION).tar.gz *.rej *.orig *.o
dist: clean
mkdir -p st-$(VERSION)
cp -R FAQ LEGACY TODO LICENSE Makefile README config.mk\
config.def.h st.info st.1 arg.h st.h win.h $(SRC)\
config.h st.info st.1 arg.h st.h win.h $(SRC)\
st-$(VERSION)
tar -cf - st-$(VERSION) | gzip > st-$(VERSION).tar.gz
rm -rf st-$(VERSION)
install: st
git submodule init
git submodule update
$(MAKE) install -C scroll
mkdir -p $(DESTDIR)$(PREFIX)/bin
cp -f st $(DESTDIR)$(PREFIX)/bin
cp -f st-copyout $(DESTDIR)$(PREFIX)/bin
@ -62,4 +62,4 @@ uninstall:
rm -f $(DESTDIR)$(PREFIX)/bin/st-urlhandler
rm -f $(DESTDIR)$(MANPREFIX)/man1/st.1
.PHONY: all options clean dist install uninstall
.PHONY: all options clean dist scroll install uninstall

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@ -10,7 +10,7 @@ The [suckless terminal (st)](https://st.suckless.org/) with some additional feat
## Bindings for
+ **scrollback** with `alt-↑/↓` or `alt-pageup/down` or `shift` while scrolling the mouse
+ scroll with `alt-↑/↓` or `alt-pageup/down` or `shift` while scrolling the mouse ([scroll](https://github.com/lukesmithxyz/scroll) must be installed)
+ OR **vim-bindings**: scroll up/down in history with `alt-k` and `alt-j`. Faster with `alt-u`/`alt-d`.
+ **zoom/change font size**: same bindings as above, but holding down shift as well. `alt-home` returns to default
+ **copy text** with `alt-c`, **paste** is `alt-v` or `shift-insert`
@ -24,10 +24,10 @@ The [suckless terminal (st)](https://st.suckless.org/) with some additional feat
## Other st patches
+ Vertcenter
+ Scrollback
+ Boxdraw
+ Ligatures
+ font2
+ updated to latest version 0.8.2
+ updated to latest version 0.8.4
## Installation for newbs

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@ -5,20 +5,22 @@
*
* font: see http://freedesktop.org/software/fontconfig/fontconfig-user.html
*/
static char *font = "mono:pixelsize=14:antialias=true:autohint=true";
static char *font = "mono:pixelsize=12:antialias=true:autohint=true";
static char *font2[] = { "JoyPixels:pixelsize=10:antialias=true:autohint=true" };
static int borderpx = 2;
/*
* What program is execed by st depends of these precedence rules:
* 1: program passed with -e
* 2: utmp option
* 2: scroll and/or utmp
* 3: SHELL environment variable
* 4: value of shell in /etc/passwd
* 5: value of shell in config.h
*/
static char *shell = "/bin/sh";
char *utmp = NULL;
/* scroll program: to enable use a string like "scroll" */
char *scroll = "scroll";
char *stty_args = "stty raw pass8 nl -echo -iexten -cstopb 38400";
/* identification sequence returned in DA and DECID */
@ -42,6 +44,10 @@ static unsigned int tripleclicktimeout = 600;
/* alt screens */
int allowaltscreen = 1;
/* allow certain non-interactive (insecure) window operations such as:
setting the clipboard text */
int allowwindowops = 0;
/*
* draw latency range in ms - from new content/keypress/etc until drawing.
* within this range, st draws when content stops arriving (idle). mostly it's
@ -57,13 +63,6 @@ static double maxlatency = 33;
*/
static unsigned int blinktimeout = 800;
/*
* interval (in milliseconds) between each successive call to ximspot. This
* improves terminal performance while not reducing functionality to those
* whom need XIM support.
*/
int ximspot_update_interval = 1000;
/*
* thickness of underline and bar cursors
*/
@ -76,10 +75,10 @@ static unsigned int cursorthickness = 2;
* 0: disable (render all U25XX glyphs normally from the font).
*/
const int boxdraw = 1;
const int boxdraw_bold = 1;
const int boxdraw_bold = 0;
/* braille (U28XX): 1: render as adjacent "pixels", 0: use font */
const int boxdraw_braille = 1;
const int boxdraw_braille = 0;
/*
* bell volume. It must be a value between -100 and 100. Use 0 for disabling
@ -175,6 +174,13 @@ static unsigned int mousebg = 0;
*/
static unsigned int defaultattr = 11;
/*
* Force mouse select/shortcuts while mask is active (when MODE_MOUSE is set).
* Note that if you want to use ShiftMask with selmasks, set this to an other
* modifier, set to 0 to not use it.
*/
static uint forcemousemod = ShiftMask;
/*
* Xresources preferences to load at startup
*/
@ -202,6 +208,8 @@ ResourcePref resources[] = {
{ "cursorColor", STRING, &colorname[256] },
{ "termname", STRING, &termname },
{ "shell", STRING, &shell },
{ "minlatency", INTEGER, &minlatency },
{ "maxlatency", INTEGER, &maxlatency },
{ "blinktimeout", INTEGER, &blinktimeout },
{ "bellvolume", INTEGER, &bellvolume },
{ "tabspaces", INTEGER, &tabspaces },
@ -209,7 +217,6 @@ ResourcePref resources[] = {
{ "cwscale", FLOAT, &cwscale },
{ "chscale", FLOAT, &chscale },
{ "alpha", FLOAT, &alpha },
{ "ximspot_update_interval", INTEGER, &ximspot_update_interval },
};
/*
@ -217,27 +224,23 @@ ResourcePref resources[] = {
* Beware that overloading Button1 will disable the selection.
*/
static MouseShortcut mshortcuts[] = {
/* button mask string */
{ Button4, XK_NO_MOD, "\031" },
{ Button5, XK_NO_MOD, "\005" },
/* mask button function argument release */
{ XK_ANY_MOD, Button2, selpaste, {.i = 0}, 1 },
{ ShiftMask, Button4, ttysend, {.s = "\033[5;2~"} },
{ XK_ANY_MOD, Button4, ttysend, {.s = "\031"} },
{ ShiftMask, Button5, ttysend, {.s = "\033[6;2~"} },
{ XK_ANY_MOD, Button5, ttysend, {.s = "\005"} },
};
/* Internal keyboard shortcuts. */
#define MODKEY Mod1Mask
#define TERMMOD (Mod1Mask|ShiftMask)
MouseKey mkeys[] = {
/* button mask function argument */
{ Button4, XK_NO_MOD, kscrollup, {.i = 1} },
{ Button5, XK_NO_MOD, kscrolldown, {.i = 1} },
{ Button4, TERMMOD, zoom, {.f = +1} },
{ Button5, TERMMOD, zoom, {.f = -1} },
};
static char *openurlcmd[] = { "/bin/sh", "-c", "st-urlhandler -o", "externalpipe", NULL };
static char *copyurlcmd[] = { "/bin/sh", "-c", "st-urlhandler -c", "externalpipe", NULL };
static char *copyoutput[] = { "/bin/sh", "-c", "st-copyout", "externalpipe", NULL };
static Shortcut shortcuts[] = {
/* mask keysym function argument */
{ XK_ANY_MOD, XK_Break, sendbreak, {.i = 0} },
@ -246,23 +249,14 @@ static Shortcut shortcuts[] = {
{ XK_ANY_MOD, XK_Print, printsel, {.i = 0} },
{ TERMMOD, XK_Prior, zoom, {.f = +1} },
{ TERMMOD, XK_Next, zoom, {.f = -1} },
{ MODKEY, XK_Home, zoomreset, {.f = 0} },
{ TERMMOD, XK_Home, zoomreset, {.f = 0} },
{ TERMMOD, XK_C, clipcopy, {.i = 0} },
{ TERMMOD, XK_V, clippaste, {.i = 0} },
{ MODKEY, XK_c, clipcopy, {.i = 0} },
{ ShiftMask, XK_Insert, clippaste, {.i = 0} },
{ MODKEY, XK_v, clippaste, {.i = 0} },
{ XK_ANY_MOD, Button2, selpaste, {.i = 0} },
{ MODKEY, XK_Num_Lock, numlock, {.i = 0} },
{ MODKEY, XK_Control_L, iso14755, {.i = 0} },
{ ShiftMask, XK_Page_Up, kscrollup, {.i = -1} },
{ ShiftMask, XK_Page_Down, kscrolldown, {.i = -1} },
{ MODKEY, XK_Page_Up, kscrollup, {.i = -1} },
{ MODKEY, XK_Page_Down, kscrolldown, {.i = -1} },
{ MODKEY, XK_k, kscrollup, {.i = 1} },
{ MODKEY, XK_j, kscrolldown, {.i = 1} },
{ MODKEY, XK_Up, kscrollup, {.i = 1} },
{ MODKEY, XK_Down, kscrolldown, {.i = 1} },
{ MODKEY, XK_u, kscrollup, {.i = -1} },
{ MODKEY, XK_d, kscrolldown, {.i = -1} },
{ ShiftMask, XK_Insert, selpaste, {.i = 0} },
{ TERMMOD, XK_Num_Lock, numlock, {.i = 0} },
{ MODKEY, XK_s, changealpha, {.f = -0.05} },
{ MODKEY, XK_a, changealpha, {.f = +0.05} },
{ TERMMOD, XK_Up, zoom, {.f = +1} },
@ -291,10 +285,6 @@ static Shortcut shortcuts[] = {
* * 0: no value
* * > 0: cursor application mode enabled
* * < 0: cursor application mode disabled
* crlf value
* * 0: no value
* * > 0: crlf mode is enabled
* * < 0: crlf mode is disabled
*
* Be careful with the order of the definitions because st searches in
* this table sequentially, so any XK_ANY_MOD must be in the last
@ -313,13 +303,6 @@ static KeySym mappedkeys[] = { -1 };
*/
static uint ignoremod = Mod2Mask|XK_SWITCH_MOD;
/*
* Override mouse-select while mask is active (when MODE_MOUSE is set).
* Note that if you want to use ShiftMask with selmasks, set this to an other
* modifier, set to 0 to not use it.
*/
static uint forceselmod = ShiftMask;
/*
* This is the huge key array which defines all compatibility to the Linux
* world. Please decide about changes wisely.

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@ -1,19 +1,15 @@
# st version
VERSION = 0.8.2
VERSION = 0.8.4
# Customize below to fit your system
# paths
PREFIX ?= /usr/local
PREFIX = /usr/local
MANPREFIX = $(PREFIX)/share/man
X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib
# include X11 in Ubuntu
# X11INC = /usr/include/X11R6
# X11LIB = /usr/lib/X11R6
PKG_CONFIG = pkg-config
# includes and libs
@ -34,8 +30,8 @@ STLDFLAGS = $(LIBS) $(LDFLAGS)
# OpenBSD:
#CPPFLAGS = -DVERSION=\"$(VERSION)\" -D_XOPEN_SOURCE=600 -D_BSD_SOURCE
#LIBS = -L$(X11LIB) -lm -lX11 -lutil -lXft \
# `pkg-config --libs fontconfig` \
# `pkg-config --libs freetype2`
# `$(PKG_CONFIG) --libs fontconfig` \
# `$(PKG_CONFIG) --libs freetype2`
# compiler and linker
# CC = c99

1
scroll Submodule

@ -0,0 +1 @@
Subproject commit 210539923ef83edff0e7519a54455b7f89aabdbc

10
st.1
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@ -1,6 +1,6 @@
.TH ST 1 st\-VERSION
.SH NAME
st \- simple terminal (Luke Smith (https://lukesmith.xyz)'s build)
st \- simple terminal
.SH SYNOPSIS
.B st
.RB [ \-aiv ]
@ -176,10 +176,6 @@ Print the full screen to the
.B Print Screen
Print the selection to the
.I iofile.
.TP
.B Alt-Ctrl
Launch dmenu to enter a unicode codepoint and send the corresponding glyph
to st.
.SH CUSTOMIZATION
.B st
can be customized by creating a custom config.h and (re)compiling the source
@ -191,7 +187,7 @@ See the LICENSE file for the terms of redistribution.
.SH SEE ALSO
.BR tabbed (1),
.BR utmp (1),
.BR stty (1)
.BR stty (1),
.BR scroll (1)
.SH BUGS
See the TODO file in the distribution.

464
st.c
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@ -14,7 +14,6 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <termios.h>
#include <time.h>
#include <unistd.h>
#include <wchar.h>
@ -36,23 +35,13 @@
#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)
#define NUMMAXLEN(x) ((int)(sizeof(x) * 2.56 + 0.5) + 1)
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == '\177')
#define ISCONTROLC0(c) (BETWEEN(c, 0, 0x1f) || (c) == 0x7f)
#define ISCONTROLC1(c) (BETWEEN(c, 0x80, 0x9f))
#define ISCONTROL(c) (ISCONTROLC0(c) || ISCONTROLC1(c))
#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])
#define TLINE_HIST(y) ((y) <= HISTSIZE-term.row+2 ? term.hist[(y)] : term.line[(y-HISTSIZE+term.row-3)])
/* constants */
#define ISO14755CMD "dmenu -w \"$WINDOWID\" -p codepoint: </dev/null"
enum term_mode {
MODE_WRAP = 1 << 0,
@ -62,7 +51,6 @@ enum term_mode {
MODE_ECHO = 1 << 4,
MODE_PRINT = 1 << 5,
MODE_UTF8 = 1 << 6,
MODE_SIXEL = 1 << 7,
};
enum cursor_movement {
@ -89,12 +77,11 @@ enum charset {
enum escape_state {
ESC_START = 1,
ESC_CSI = 2,
ESC_STR = 4, /* OSC, PM, APC */
ESC_STR = 4, /* DCS, OSC, PM, APC */
ESC_ALTCHARSET = 8,
ESC_STR_END = 16, /* a final string was encountered */
ESC_TEST = 32, /* Enter in test mode */
ESC_UTF8 = 64,
ESC_DCS =128,
};
typedef struct {
@ -128,9 +115,6 @@ 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 */
@ -143,14 +127,14 @@ typedef struct {
int charset; /* current charset */
int icharset; /* selected charset for sequence */
int *tabs;
struct timespec last_ximspot_update;
Rune lastc; /* last printed char outside of sequence, 0 if control */
} Term;
/* CSI Escape sequence structs */
/* ESC '[' [[ [<priv>] <arg> [;]] <mode> [<mode>]] */
typedef struct {
char buf[ESC_BUF_SIZ]; /* raw string */
int len; /* raw string length */
size_t len; /* raw string length */
char priv;
int arg[ESC_ARG_SIZ];
int narg; /* nb of args */
@ -161,8 +145,9 @@ typedef struct {
/* ESC type [[ [<priv>] <arg> [;]] <mode>] ESC '\' */
typedef struct {
char type; /* ESC type ... */
char buf[STR_BUF_SIZ]; /* raw string */
int len; /* raw string length */
char *buf; /* allocated raw string */
size_t siz; /* allocation size */
size_t len; /* raw string length */
char *args[STR_ARG_SIZ];
int narg; /* nb of args */
} STREscape;
@ -199,8 +184,8 @@ static void tnewline(int);
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 tscrollup(int, int);
static void tscrolldown(int, int);
static void tsetattr(int *, int);
static void tsetchar(Rune, Glyph *, int, int);
static void tsetdirt(int, int);
@ -380,8 +365,9 @@ static const char base64_digits[] = {
char
base64dec_getc(const char **src)
{
while (**src && !isprint(**src)) (*src)++;
return *((*src)++);
while (**src && !isprint(**src))
(*src)++;
return **src ? *((*src)++) : '='; /* emulate padding if string ends */
}
char *
@ -399,6 +385,10 @@ base64dec(const char *src)
int c = base64_digits[(unsigned char) base64dec_getc(&src)];
int d = base64_digits[(unsigned char) base64dec_getc(&src)];
/* invalid input. 'a' can be -1, e.g. if src is "\n" (c-str) */
if (a == -1 || b == -1)
break;
*dst++ = (a << 2) | ((b & 0x30) >> 4);
if (c == -1)
break;
@ -424,24 +414,10 @@ tlinelen(int y)
{
int i = term.col;
if (TLINE(y)[i - 1].mode & ATTR_WRAP)
if (term.line[y][i - 1].mode & ATTR_WRAP)
return i;
while (i > 0 && TLINE(y)[i - 1].u == ' ')
--i;
return i;
}
int
tlinehistlen(int y)
{
int i = term.col;
if (TLINE_HIST(y)[i - 1].mode & ATTR_WRAP)
return i;
while (i > 0 && TLINE_HIST(y)[i - 1].u == ' ')
while (i > 0 && term.line[y][i - 1].u == ' ')
--i;
return i;
@ -550,7 +526,7 @@ selsnap(int *x, int *y, int direction)
* Snap around if the word wraps around at the end or
* beginning of a line.
*/
prevgp = &TLINE(*y)[*x];
prevgp = &term.line[*y][*x];
prevdelim = ISDELIM(prevgp->u);
for (;;) {
newx = *x + direction;
@ -565,14 +541,14 @@ selsnap(int *x, int *y, int direction)
yt = *y, xt = *x;
else
yt = newy, xt = newx;
if (!(TLINE(yt)[xt].mode & ATTR_WRAP))
if (!(term.line[yt][xt].mode & ATTR_WRAP))
break;
}
if (newx >= tlinelen(newy))
break;
gp = &TLINE(newy)[newx];
gp = &term.line[newy][newx];
delim = ISDELIM(gp->u);
if (!(gp->mode & ATTR_WDUMMY) && (delim != prevdelim
|| (delim && gp->u != prevgp->u)))
@ -593,14 +569,14 @@ selsnap(int *x, int *y, int direction)
*x = (direction < 0) ? 0 : term.col - 1;
if (direction < 0) {
for (; *y > 0; *y += direction) {
if (!(TLINE(*y-1)[term.col-1].mode
if (!(term.line[*y-1][term.col-1].mode
& ATTR_WRAP)) {
break;
}
}
} else if (direction > 0) {
for (; *y < term.row-1; *y += direction) {
if (!(TLINE(*y)[term.col-1].mode
if (!(term.line[*y][term.col-1].mode
& ATTR_WRAP)) {
break;
}
@ -631,13 +607,13 @@ getsel(void)
}
if (sel.type == SEL_RECTANGULAR) {
gp = &TLINE(y)[sel.nb.x];
gp = &term.line[y][sel.nb.x];
lastx = sel.ne.x;
} else {
gp = &TLINE(y)[sel.nb.y == y ? sel.nb.x : 0];
gp = &term.line[y][sel.nb.y == y ? sel.nb.x : 0];
lastx = (sel.ne.y == y) ? sel.ne.x : term.col-1;
}
last = &TLINE(y)[MIN(lastx, linelen-1)];
last = &term.line[y][MIN(lastx, linelen-1)];
while (last >= gp && last->u == ' ')
--last;
@ -657,7 +633,8 @@ getsel(void)
* st.
* FIXME: Fix the computer world.
*/
if ((y < sel.ne.y || lastx >= linelen) && !(last->mode & ATTR_WRAP))
if ((y < sel.ne.y || lastx >= linelen) &&
(!(last->mode & ATTR_WRAP) || sel.type == SEL_RECTANGULAR))
*ptr++ = '\n';
}
*ptr = 0;
@ -688,7 +665,7 @@ die(const char *errstr, ...)
void
execsh(char *cmd, char **args)
{
char *sh, *prog;
char *sh, *prog, *arg;
const struct passwd *pw;
errno = 0;
@ -702,13 +679,20 @@ execsh(char *cmd, char **args)
if ((sh = getenv("SHELL")) == NULL)
sh = (pw->pw_shell[0]) ? pw->pw_shell : cmd;
if (args)
if (args) {
prog = args[0];
else if (utmp)
arg = NULL;
} else if (scroll) {
prog = scroll;
arg = utmp ? utmp : sh;
} else if (utmp) {
prog = utmp;
else
arg = NULL;
} else {
prog = sh;
DEFAULT(args, ((char *[]) {prog, NULL}));
arg = NULL;
}
DEFAULT(args, ((char *[]) {prog, arg, NULL}));
unsetenv("COLUMNS");
unsetenv("LINES");
@ -746,7 +730,7 @@ sigchld(int a)
die("child exited with status %d\n", WEXITSTATUS(stat));
else if (WIFSIGNALED(stat))
die("child terminated due to signal %d\n", WTERMSIG(stat));
exit(0);
_exit(0);
}
void
@ -839,30 +823,31 @@ ttyread(void)
{
static char buf[BUFSIZ];
static int buflen = 0;
int written;
int ret;
int ret, written;
/* append read bytes to unprocessed bytes */
if ((ret = read(cmdfd, buf+buflen, LEN(buf)-buflen)) < 0)
ret = read(cmdfd, buf+buflen, LEN(buf)-buflen);
switch (ret) {
case 0:
exit(0);
case -1:
die("couldn't read from shell: %s\n", strerror(errno));
buflen += ret;
written = twrite(buf, buflen, 0);
buflen -= written;
/* keep any uncomplete utf8 char for the next call */
if (buflen > 0)
memmove(buf, buf + written, buflen);
return ret;
default:
buflen += ret;
written = twrite(buf, buflen, 0);
buflen -= written;
/* keep any incomplete UTF-8 byte sequence for the next call */
if (buflen > 0)
memmove(buf, buf + written, buflen);
return ret;
}
}
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);
@ -1058,16 +1043,10 @@ void
tnew(int col, int row)
{
term = (Term){ .c = { .attr = { .fg = defaultfg, .bg = defaultbg } } };
clock_gettime(CLOCK_MONOTONIC, &term.last_ximspot_update);
tresize(col, row);
treset();
}
int tisaltscr(void)
{
return IS_SET(MODE_ALTSCREEN);
}
void
tswapscreen(void)
{
@ -1080,53 +1059,13 @@ tswapscreen(void)
}
void
kscrolldown(const Arg* a)
{
int n = a->i;
if (n < 0)
n = term.row + n;
if (n > term.scr)
n = term.scr;
if (term.scr > 0) {
term.scr -= n;
selscroll(0, -n);
tfulldirt();
}
}
void
kscrollup(const Arg* a)
{
int n = a->i;
if (n < 0)
n = term.row + n;
if (term.scr <= HISTSIZE-n) {
term.scr += n;
selscroll(0, n);
tfulldirt();
}
}
void
tscrolldown(int orig, int n, int copyhist)
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);
@ -1140,23 +1079,13 @@ tscrolldown(int orig, int n, int copyhist)
}
void
tscrollup(int orig, int n, int copyhist)
tscrollup(int orig, int n)
{
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);
@ -1175,27 +1104,17 @@ selscroll(int orig, int n)
if (sel.ob.x == -1)
return;
if (BETWEEN(sel.ob.y, orig, term.bot) || BETWEEN(sel.oe.y, orig, term.bot)) {
if ((sel.ob.y += n) > term.bot || (sel.oe.y += n) < term.top) {
if (BETWEEN(sel.nb.y, orig, term.bot) != BETWEEN(sel.ne.y, orig, term.bot)) {
selclear();
} else if (BETWEEN(sel.nb.y, orig, term.bot)) {
sel.ob.y += n;
sel.oe.y += n;
if (sel.ob.y < term.top || sel.ob.y > term.bot ||
sel.oe.y < term.top || sel.oe.y > term.bot) {
selclear();
return;
}
if (sel.type == SEL_RECTANGULAR) {
if (sel.ob.y < term.top)
sel.ob.y = term.top;
if (sel.oe.y > term.bot)
sel.oe.y = term.bot;
} else {
if (sel.ob.y < term.top) {
sel.ob.y = term.top;
sel.ob.x = 0;
}
if (sel.oe.y > term.bot) {
sel.oe.y = term.bot;
sel.oe.x = term.col;
}
selnormalize();
}
selnormalize();
}
}
@ -1205,7 +1124,7 @@ tnewline(int first_col)
int y = term.c.y;
if (y == term.bot) {
tscrollup(term.top, 1, 1);
tscrollup(term.top, 1);
} else {
y++;
}
@ -1373,14 +1292,14 @@ 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
tdeleteline(int n)
{
if (BETWEEN(term.c.y, term.top, term.bot))
tscrollup(term.c.y, n, 0);
tscrollup(term.c.y, n);
}
int32_t
@ -1730,6 +1649,12 @@ csihandle(void)
if (csiescseq.arg[0] == 0)
ttywrite(vtiden, strlen(vtiden), 0);
break;
case 'b': /* REP -- if last char is printable print it <n> more times */
DEFAULT(csiescseq.arg[0], 1);
if (term.lastc)
while (csiescseq.arg[0]-- > 0)
tputc(term.lastc);
break;
case 'C': /* CUF -- Cursor <n> Forward */
case 'a': /* HPR -- Cursor <n> Forward */
DEFAULT(csiescseq.arg[0], 1);
@ -1811,11 +1736,11 @@ csihandle(void)
break;
case 'S': /* SU -- Scroll <n> line up */
DEFAULT(csiescseq.arg[0], 1);
tscrollup(term.top, csiescseq.arg[0], 0);
tscrollup(term.top, csiescseq.arg[0]);
break;
case 'T': /* SD -- Scroll <n> line down */
DEFAULT(csiescseq.arg[0], 1);
tscrolldown(term.top, csiescseq.arg[0], 0);
tscrolldown(term.top, csiescseq.arg[0]);
break;
case 'L': /* IL -- Insert <n> blank lines */
DEFAULT(csiescseq.arg[0], 1);
@ -1853,7 +1778,7 @@ 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(buf, sizeof(buf), "\033[%i;%iR",
term.c.y+1, term.c.x+1);
ttywrite(buf, len, 0);
}
@ -1890,7 +1815,7 @@ csihandle(void)
void
csidump(void)
{
int i;
size_t i;
uint c;
fprintf(stderr, "ESC[");
@ -1931,13 +1856,21 @@ strhandle(void)
case ']': /* OSC -- Operating System Command */
switch (par) {
case 0:
if (narg > 1) {
xsettitle(strescseq.args[1]);
xseticontitle(strescseq.args[1]);
}
return;
case 1:
if (narg > 1)
xseticontitle(strescseq.args[1]);
return;
case 2:
if (narg > 1)
xsettitle(strescseq.args[1]);
return;
case 52:
if (narg > 2) {
if (narg > 2 && allowwindowops) {
dec = base64dec(strescseq.args[2]);
if (dec) {
xsetsel(dec);
@ -1948,35 +1881,22 @@ strhandle(void)
}
return;
case 4: /* color set */
case 10: /* foreground set */
case 11: /* background set */
case 12: /* cursor color */
if ((par == 4 && narg < 3) || narg < 2)
if (narg < 3)
break;
p = strescseq.args[((par == 4) ? 2 : 1)];
p = strescseq.args[2];
/* FALLTHROUGH */
case 104: /* color reset, here p = NULL */
if (par == 10)
j = defaultfg;
else if (par == 11)
j = defaultbg;
else if (par == 12)
j = defaultcs;
else
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
j = (narg > 1) ? atoi(strescseq.args[1]) : -1;
if (xsetcolorname(j, p)) {
if (par == 104 && narg <= 1)
return; /* color reset without parameter */
fprintf(stderr, "erresc: invalid color j=%d, p=%s\n",
j, p ? p : "(null)");
j, p ? p : "(null)");
} else {
/*
* TODO if defaultbg color is changed, borders
* are dirty
*/
if (j == defaultbg)
xclearwin();
redraw();
}
return;
@ -1986,7 +1906,6 @@ strhandle(void)
xsettitle(strescseq.args[0]);
return;
case 'P': /* DCS -- Device Control String */
term.mode |= ESC_DCS;
case '_': /* APC -- Application Program Command */
case '^': /* PM -- Privacy Message */
return;
@ -2018,56 +1937,6 @@ strparse(void)
}
}
void
strdump(void)
{
int i;
uint c;
fprintf(stderr, "ESC%c", strescseq.type);
for (i = 0; i < strescseq.len; i++) {
c = strescseq.buf[i] & 0xff;
if (c == '\0') {
putc('\n', stderr);
return;
} else if (isprint(c)) {
putc(c, stderr);
} else if (c == '\n') {
fprintf(stderr, "(\\n)");
} else if (c == '\r') {
fprintf(stderr, "(\\r)");
} else if (c == 0x1b) {
fprintf(stderr, "(\\e)");
} else {
fprintf(stderr, "(%02x)", c);
}
}
fprintf(stderr, "ESC\\\n");
}
void
strreset(void)
{
memset(&strescseq, 0, sizeof(strescseq));
}
void
sendbreak(const Arg *arg)
{
if (tcsendbreak(cmdfd, 0))
perror("Error sending break");
}
void
tprinter(char *s, size_t len)
{
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
perror("Error writing to output file");
close(iofd);
iofd = -1;
}
}
void
externalpipe(const Arg *arg)
{
@ -2099,19 +1968,16 @@ externalpipe(const Arg *arg)
/* ignore sigpipe for now, in case child exists early */
oldsigpipe = signal(SIGPIPE, SIG_IGN);
newline = 0;
/* modify externalpipe patch to pipe history too */
for (n = 0; n <= HISTSIZE + 2; n++) {
bp = TLINE_HIST(n);
lastpos = MIN(tlinehistlen(n) +1, term.col) - 1;
for (n = 0; n < term.row; n++) {
bp = term.line[n];
lastpos = MIN(tlinelen(n) + 1, term.col) - 1;
if (lastpos < 0)
break;
if (lastpos == 0)
continue;
end = &bp[lastpos + 1];
for (; bp < end; ++bp)
if (xwrite(to[1], buf, utf8encode(bp->u, buf)) < 0)
break;
if ((newline = TLINE_HIST(n)[lastpos].mode & ATTR_WRAP))
if ((newline = term.line[n][lastpos].mode & ATTR_WRAP))
continue;
if (xwrite(to[1], "\n", 1) < 0)
break;
@ -2125,25 +1991,56 @@ externalpipe(const Arg *arg)
}
void
iso14755(const Arg *arg)
strdump(void)
{
FILE *p;
char *us, *e, codepoint[9], uc[UTF_SIZ];
unsigned long utf32;
size_t i;
uint c;
if (!(p = popen(ISO14755CMD, "r")))
return;
fprintf(stderr, "ESC%c", strescseq.type);
for (i = 0; i < strescseq.len; i++) {
c = strescseq.buf[i] & 0xff;
if (c == '\0') {
putc('\n', stderr);
return;
} else if (isprint(c)) {
putc(c, stderr);
} else if (c == '\n') {
fprintf(stderr, "(\\n)");
} else if (c == '\r') {
fprintf(stderr, "(\\r)");
} else if (c == 0x1b) {
fprintf(stderr, "(\\e)");
} else {
fprintf(stderr, "(%02x)", c);
}
}
fprintf(stderr, "ESC\\\n");
}
us = fgets(codepoint, sizeof(codepoint), p);
pclose(p);
void
strreset(void)
{
strescseq = (STREscape){
.buf = xrealloc(strescseq.buf, STR_BUF_SIZ),
.siz = STR_BUF_SIZ,
};
}
if (!us || *us == '\0' || *us == '-' || strlen(us) > 7)
return;
if ((utf32 = strtoul(us, &e, 16)) == ULONG_MAX ||
(*e != '\n' && *e != '\0'))
return;
void
sendbreak(const Arg *arg)
{
if (tcsendbreak(cmdfd, 0))
perror("Error sending break");
}
ttywrite(uc, utf8encode(utf32, uc), 1);
void
tprinter(char *s, size_t len)
{
if (iofd != -1 && xwrite(iofd, s, len) < 0) {
perror("Error writing to output file");
close(iofd);
iofd = -1;
}
}
void
@ -2184,7 +2081,7 @@ tdumpline(int n)
bp = &term.line[n][0];
end = &bp[MIN(tlinelen(n), term.col) - 1];
if (bp != end || bp->u != ' ') {
for ( ;bp <= end; ++bp)
for ( ; bp <= end; ++bp)
tprinter(buf, utf8encode(bp->u, buf));
}
tprinter("\n", 1);
@ -2255,12 +2152,9 @@ 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 = '_';
@ -2272,6 +2166,7 @@ tstrsequence(uchar c)
c = ']';
break;
}
strreset();
strescseq.type = c;
term.esc |= ESC_STR;
}
@ -2314,6 +2209,7 @@ tcontrolcode(uchar ascii)
return;
case '\032': /* SUB */
tsetchar('?', &term.c.attr, term.c.x, term.c.y);
/* FALLTHROUGH */
case '\030': /* CAN */
csireset();
break;
@ -2409,7 +2305,7 @@ eschandle(uchar ascii)
return 0;
case 'D': /* IND -- Linefeed */
if (term.c.y == term.bot) {
tscrollup(term.top, 1, 1);
tscrollup(term.top, 1);
} else {
tmoveto(term.c.x, term.c.y+1);
}
@ -2422,7 +2318,7 @@ 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);
}
@ -2468,15 +2364,13 @@ tputc(Rune u)
Glyph *gp;
control = ISCONTROL(u);
if (!IS_SET(MODE_UTF8) && !IS_SET(MODE_SIXEL)) {
if (u < 127 || !IS_SET(MODE_UTF8)) {
c[0] = u;
width = len = 1;
} else {
len = utf8encode(u, c);
if (!control && (width = wcwidth(u)) == -1) {
memcpy(c, "\357\277\275", 4); /* UTF_INVALID */
if (!control && (width = wcwidth(u)) == -1)
width = 1;
}
}
if (IS_SET(MODE_PRINT))
@ -2491,24 +2385,12 @@ 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);
if (IS_SET(MODE_SIXEL)) {
/* TODO: render sixel */;
term.mode &= ~MODE_SIXEL;
return;
}
term.esc &= ~(ESC_START|ESC_STR);
term.esc |= ESC_STR_END;
goto check_control_code;
}
if (IS_SET(MODE_SIXEL)) {
/* TODO: implement sixel mode */
return;
}
if (term.esc&ESC_DCS && strescseq.len == 0 && u == 'q')
term.mode |= MODE_SIXEL;
if (strescseq.len+len >= sizeof(strescseq.buf)-1) {
if (strescseq.len+len >= strescseq.siz) {
/*
* Here is a bug in terminals. If the user never sends
* some code to stop the str or esc command, then st
@ -2522,7 +2404,10 @@ tputc(Rune u)
* term.esc = 0;
* strhandle();
*/
return;
if (strescseq.siz > (SIZE_MAX - UTF_SIZ) / 2)
return;
strescseq.siz *= 2;
strescseq.buf = xrealloc(strescseq.buf, strescseq.siz);
}
memmove(&strescseq.buf[strescseq.len], c, len);
@ -2541,6 +2426,8 @@ check_control_code:
/*
* control codes are not shown ever
*/
if (!term.esc)
term.lastc = 0;
return;
} else if (term.esc & ESC_START) {
if (term.esc & ESC_CSI) {
@ -2571,7 +2458,7 @@ check_control_code:
*/
return;
}
if (sel.ob.x != -1 && BETWEEN(term.c.y, sel.ob.y, sel.oe.y))
if (selected(term.c.x, term.c.y))
selclear();
gp = &term.line[term.c.y][term.c.x];
@ -2590,6 +2477,7 @@ check_control_code:
}
tsetchar(u, &term.c.attr, term.c.x, term.c.y);
term.lastc = u;
if (width == 2) {
gp->mode |= ATTR_WIDE;
@ -2613,7 +2501,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
int n;
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);
if (charsize == 0)
@ -2640,7 +2528,7 @@ twrite(const char *buf, int buflen, int show_ctrl)
void
tresize(int col, int row)
{
int i, j;
int i;
int minrow = MIN(row, term.row);
int mincol = MIN(col, term.col);
int *bp;
@ -2677,14 +2565,6 @@ 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));
@ -2737,19 +2617,20 @@ void
drawregion(int x1, int y1, int x2, int y2)
{