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Support underscore style with capture-pane -e, GitHub issue 2928.

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This commit is contained in:
nicm 2021-12-21 14:57:28 +00:00
parent ff64aafeab
commit 9aad945f7e
2 changed files with 64 additions and 34 deletions
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96
grid.c
View File

@ -826,6 +826,56 @@ grid_string_cells_bg(const struct grid_cell *gc, int *values)
return (n);
}
/* Get underscore colour sequence. */
static size_t
grid_string_cells_us(const struct grid_cell *gc, int *values)
{
size_t n;
u_char r, g, b;
n = 0;
if (gc->us & COLOUR_FLAG_256) {
values[n++] = 58;
values[n++] = 5;
values[n++] = gc->us & 0xff;
} else if (gc->us & COLOUR_FLAG_RGB) {
values[n++] = 58;
values[n++] = 2;
colour_split_rgb(gc->us, &r, &g, &b);
values[n++] = r;
values[n++] = g;
values[n++] = b;
}
return (n);
}
/* Add on SGR code. */
static void
grid_string_cells_add_code(char *buf, size_t len, u_int n, int *s, int *newc,
int *oldc, size_t nnewc, size_t noldc, int escape_c0)
{
u_int i;
char tmp[64];
if (nnewc != 0 &&
(nnewc != noldc ||
memcmp(newc, oldc, nnewc * sizeof newc[0]) != 0 ||
(n != 0 && s[0] == 0))) {
if (escape_c0)
strlcat(buf, "\\033[", len);
else
strlcat(buf, "\033[", len);
for (i = 0; i < nnewc; i++) {
if (i + 1 < nnewc)
xsnprintf(tmp, sizeof tmp, "%d;", newc[i]);
else
xsnprintf(tmp, sizeof tmp, "%d", newc[i]);
strlcat(buf, tmp, len);
}
strlcat(buf, "m", len);
}
}
/*
* Returns ANSI code to set particular attributes (colour, bold and so on)
* given a current state.
@ -861,7 +911,9 @@ grid_string_cells_code(const struct grid_cell *lastgc,
/* If any attribute is removed, begin with 0. */
for (i = 0; i < nitems(attrs); i++) {
if (!(attr & attrs[i].mask) && (lastattr & attrs[i].mask)) {
if (((~attr & attrs[i].mask) &&
(lastattr & attrs[i].mask)) ||
(lastgc->us != 0 && gc->us == 0)) {
s[n++] = 0;
lastattr &= GRID_ATTR_CHARSET;
break;
@ -897,42 +949,20 @@ grid_string_cells_code(const struct grid_cell *lastgc,
/* If the foreground colour changed, write its parameters. */
nnewc = grid_string_cells_fg(gc, newc);
noldc = grid_string_cells_fg(lastgc, oldc);
if (nnewc != noldc ||
memcmp(newc, oldc, nnewc * sizeof newc[0]) != 0 ||
(n != 0 && s[0] == 0)) {
if (escape_c0)
strlcat(buf, "\\033[", len);
else
strlcat(buf, "\033[", len);
for (i = 0; i < nnewc; i++) {
if (i + 1 < nnewc)
xsnprintf(tmp, sizeof tmp, "%d;", newc[i]);
else
xsnprintf(tmp, sizeof tmp, "%d", newc[i]);
strlcat(buf, tmp, len);
}
strlcat(buf, "m", len);
}
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
escape_c0);
/* If the background colour changed, append its parameters. */
nnewc = grid_string_cells_bg(gc, newc);
noldc = grid_string_cells_bg(lastgc, oldc);
if (nnewc != noldc ||
memcmp(newc, oldc, nnewc * sizeof newc[0]) != 0 ||
(n != 0 && s[0] == 0)) {
if (escape_c0)
strlcat(buf, "\\033[", len);
else
strlcat(buf, "\033[", len);
for (i = 0; i < nnewc; i++) {
if (i + 1 < nnewc)
xsnprintf(tmp, sizeof tmp, "%d;", newc[i]);
else
xsnprintf(tmp, sizeof tmp, "%d", newc[i]);
strlcat(buf, tmp, len);
}
strlcat(buf, "m", len);
}
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
escape_c0);
/* If the underscore colour changed, append its parameters. */
nnewc = grid_string_cells_us(gc, newc);
noldc = grid_string_cells_us(lastgc, oldc);
grid_string_cells_add_code(buf, len, n, s, newc, oldc, nnewc, noldc,
escape_c0);
/* Append shift in/shift out if needed. */
if ((attr & GRID_ATTR_CHARSET) && !(lastattr & GRID_ATTR_CHARSET)) {

2
tty-features.c
View File

@ -363,7 +363,7 @@ tty_default_features(int *feat, const char *name, u_int version)
},
{ .name = "iTerm2",
.features = TTY_FEATURES_BASE_MODERN_XTERM
",cstyle,extkeys,margins,sync"
",cstyle,extkeys,margins,usstyle,sync"
},
{ .name = "XTerm",
/*