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Make italics/dim work on MacOS

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Work around ancient terminfo on MacOS by hard-coding the correct escapes.
Fixes #4436.
This commit is contained in:
Aaron Gyes 2017-09-29 14:05:20 -07:00
parent fb252e6e10
commit c6fe65bad3
1 changed files with 21 additions and 0 deletions
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21
src/builtin_set_color.cpp
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@ -61,11 +61,32 @@ static const struct woption long_options[] = {{L"background", required_argument,
{L"print-colors", no_argument, NULL, 'c'},
{NULL, 0, NULL, 0}};
#if __APPLE__
char sitm_esc[] = "\e[3m";
char ritm_esc[] = "\e[23m";
char dim_esc[] = "\e[2m";
#endif
/// set_color builtin.
int builtin_set_color(parser_t &parser, io_streams_t &streams, wchar_t **argv) {
// By the time this is called we should have initialized the curses subsystem.
assert(curses_initialized);
// Hack in missing italics and dim capabilities omitted from MacOS xterm-256color terminfo
// Helps Terminal.app/iTerm
#if __APPLE__
const auto term_prog = env_get(L"TERM_PROGRAM");
if (!term_prog.missing_or_empty() && (term_prog->as_string() == L"Apple_Terminal"
|| term_prog->as_string() == L"iTerm.app")) {
const auto term = env_get(L"TERM");
if (!term.missing_or_empty() && (term->as_string() == L"xterm-256color")) {
enter_italics_mode = sitm_esc;
exit_italics_mode = ritm_esc;
enter_dim_mode = dim_esc;
}
}
#endif
// Variables used for parsing the argument list.
wchar_t *cmd = argv[0];
int argc = builtin_count_args(argv);