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feat(highlight): define the concept of altfont as a (c)term rendering attribute

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This commit is contained in:
Paul "LeoNerd" Evans
2023-01-19 23:18:21 +00:00
parent f5d357de55
commit f3039ce531
9 changed files with 35 additions and 8 deletions
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13
src/nvim/highlight_group.c
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@@ -67,11 +67,13 @@ Map(cstr_t, int) highlight_unames = MAP_INIT;
static char *(hl_name_table[]) =
{ "bold", "standout", "underline",
"undercurl", "underdouble", "underdotted", "underdashed",
"italic", "reverse", "inverse", "strikethrough", "nocombine", "NONE" };
"italic", "reverse", "inverse", "strikethrough", "altfont",
"nocombine", "NONE" };
static int hl_attr_table[] =
{ HL_BOLD, HL_STANDOUT, HL_UNDERLINE,
HL_UNDERCURL, HL_UNDERDOUBLE, HL_UNDERDOTTED, HL_UNDERDASHED,
HL_ITALIC, HL_INVERSE, HL_INVERSE, HL_STRIKETHROUGH, HL_NOCOMBINE, 0 };
HL_ITALIC, HL_INVERSE, HL_INVERSE, HL_STRIKETHROUGH, HL_ALTFONT,
HL_NOCOMBINE, 0 };
/// Structure that stores information about a highlight group.
/// The ID of a highlight group is also called group ID. It is the index in
@@ -1595,7 +1597,12 @@ const char *highlight_has_attr(const int id, const int flag, const int modec)
attr = hl_table[id - 1].sg_cterm;
}
return (attr & flag) ? "1" : NULL;
if (flag & HL_UNDERLINE_MASK) {
int ul = attr & HL_UNDERLINE_MASK;
return ul == flag ? "1" : NULL;
} else {
return (attr & flag) ? "1" : NULL;
}
}
/// Return color name of the given highlight group