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0.8.4 update, scroll added as separate prog

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This commit is contained in:
Luke Smith
2021-02-05 22:14:48 -05:00
parent 73c034ba05
commit fa3c401390
15 changed files with 493 additions and 585 deletions
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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)
{
int y;
for (y = y1; y < y2; y++) {
if (!term.dirty[y])
continue;
term.dirty[y] = 0;
xdrawline(TLINE(y), x1, y, x2);
xdrawline(term.line[y], x1, y, x2);
}
}
void
draw(void)
{
int cx = term.c.x;
int cx = term.c.x, ocx = term.ocx, ocy = term.ocy;
if (!xstartdraw())
return;
@@ -2763,19 +2644,14 @@ draw(void)
cx--;
drawregion(0, 0, term.col, term.row);
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.line[term.ocy], term.col);
term.ocx = cx, term.ocy = term.c.y;
xdrawcursor(cx, term.c.y, term.line[term.c.y][cx],
term.ocx, term.ocy, term.line[term.ocy][term.ocx],
term.line[term.ocy], term.col);
term.ocx = cx;
term.ocy = term.c.y;
xfinishdraw();
struct timespec now;
clock_gettime(CLOCK_MONOTONIC, &now);
if (ximspot_update_interval && TIMEDIFF(now, term.last_ximspot_update) > ximspot_update_interval) {
if (ocx != term.ocx || ocy != term.ocy)
xximspot(term.ocx, term.ocy);
term.last_ximspot_update = now;
}
}
void