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-rw-r--r--st.c52
1 files changed, 39 insertions, 13 deletions
diff --git a/st.c b/st.c
index 1e03e62..7980ad5 100644
--- a/st.c
+++ b/st.c
@@ -1215,6 +1215,7 @@ csiparse(void)
{
char *p = csiescseq.buf, *np;
long int v;
+ int sep = ';'; /* colon or semi-colon, but not both */
csiescseq.narg = 0;
if (*p == '?') {
@@ -1232,7 +1233,9 @@ csiparse(void)
v = -1;
csiescseq.arg[csiescseq.narg++] = v;
p = np;
- if (*p != ';' || csiescseq.narg == ESC_ARG_SIZ)
+ if (sep == ';' && *p == ':')
+ sep = ':'; /* allow override to colon once */
+ if (*p != sep || csiescseq.narg == ESC_ARG_SIZ)
break;
p++;
}
@@ -1503,16 +1506,22 @@ tsetattr(const int *attr, int l)
if ((idx = tdefcolor(attr, &i, l)) >= 0)
term.c.attr.fg = idx;
break;
- case 39:
+ case 39: /* set foreground color to default */
term.c.attr.fg = defaultfg;
break;
case 48:
if ((idx = tdefcolor(attr, &i, l)) >= 0)
term.c.attr.bg = idx;
break;
- case 49:
+ case 49: /* set background color to default */
term.c.attr.bg = defaultbg;
break;
+ case 58:
+ /* This starts a sequence to change the color of
+ * "underline" pixels. We don't support that and
+ * instead eat up a following "5;n" or "2;r;g;b". */
+ tdefcolor(attr, &i, l);
+ break;
default:
if (BETWEEN(attr[i], 30, 37)) {
term.c.attr.fg = attr[i] - 30;
@@ -1609,7 +1618,7 @@ tsetmode(int priv, int set, const int *args, int narg)
case 1006: /* 1006: extended reporting mode */
xsetmode(set, MODE_MOUSESGR);
break;
- case 1034:
+ case 1034: /* 1034: enable 8-bit mode for keyboard input */
xsetmode(set, MODE_8BIT);
break;
case 1049: /* swap screen & set/restore cursor as xterm */
@@ -1617,8 +1626,8 @@ tsetmode(int priv, int set, const int *args, int narg)
break;
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
/* FALLTHROUGH */
- case 47: /* swap screen */
- case 1047:
+ case 47: /* swap screen buffer */
+ case 1047: /* swap screen buffer */
if (!allowaltscreen)
break;
alt = IS_SET(MODE_ALTSCREEN);
@@ -1631,7 +1640,7 @@ tsetmode(int priv, int set, const int *args, int narg)
if (*args != 1049)
break;
/* FALLTHROUGH */
- case 1048:
+ case 1048: /* save/restore cursor (like DECSC/DECRC) */
tcursor((set) ? CURSOR_SAVE : CURSOR_LOAD);
break;
case 2004: /* 2004: bracketed paste mode */
@@ -1788,7 +1797,7 @@ csihandle(void)
}
break;
case 1: /* above */
- if (term.c.y > 1)
+ if (term.c.y > 0)
tclearregion(0, 0, term.col-1, term.c.y-1);
tclearregion(0, term.c.y, term.c.x, term.c.y);
break;
@@ -1884,7 +1893,11 @@ csihandle(void)
tcursor(CURSOR_SAVE);
break;
case 'u': /* DECRC -- Restore cursor position (ANSI.SYS) */
- tcursor(CURSOR_LOAD);
+ if (csiescseq.priv) {
+ goto unknown;
+ } else {
+ tcursor(CURSOR_LOAD);
+ }
break;
case ' ':
switch (csiescseq.mode[1]) {
@@ -1986,7 +1999,7 @@ strhandle(void)
if (narg > 1)
xsettitle(strescseq.args[1]);
return;
- case 52:
+ case 52: /* manipulate selection data */
if (narg > 2 && allowwindowops) {
dec = base64dec(strescseq.args[2]);
if (dec) {
@@ -1997,9 +2010,9 @@ strhandle(void)
}
}
return;
- case 10:
- case 11:
- case 12:
+ case 10: /* set dynamic VT100 text foreground color */
+ case 11: /* set dynamic VT100 text background color */
+ case 12: /* set dynamic text cursor color */
if (narg < 2)
break;
p = strescseq.args[1];
@@ -2040,6 +2053,19 @@ strhandle(void)
tfulldirt();
}
return;
+ case 110: /* reset dynamic VT100 text foreground color */
+ case 111: /* reset dynamic VT100 text background color */
+ case 112: /* reset dynamic text cursor color */
+ if (narg != 1)
+ break;
+ if ((j = par - 110) < 0 || j >= LEN(osc_table))
+ break; /* shouldn't be possible */
+ if (xsetcolorname(osc_table[j].idx, NULL)) {
+ fprintf(stderr, "erresc: %s color not found\n", osc_table[j].str);
+ } else {
+ tfulldirt();
+ }
+ return;
}
break;
case 'k': /* old title set compatibility */