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TUI: assume italics support in all xterm-likes

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https://github.com/neovim/neovim/issues/9598#issuecomment-462421302
> On systems other than macOS, terminfo always has them set. It's part
> of the ANSI standard SGR codes
This commit is contained in:
Justin M. Keyes
2019-02-11 20:27:13 +01:00
parent 1b746c0ea9
commit 1083c626b9
1 changed files with 3 additions and 12 deletions
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15
src/nvim/tui/tui.c
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@@ -1517,7 +1517,6 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
bool alacritty = terminfo_is_term_family(term, "alacritty");
// None of the following work over SSH; see :help TERM .
bool iterm_pretending_xterm = xterm && iterm_env;
bool konsole_pretending_xterm = xterm && konsolev;
bool gnome_pretending_xterm = xterm && colorterm
&& strstr(colorterm, "gnome-terminal");
bool mate_pretending_xterm = xterm && colorterm
@@ -1571,11 +1570,12 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
// claim to be xterm. Or they would mimic xterm properly enough to be
// treatable as xterm.
// 2017-04 terminfo.src lacks these. genuine Xterm has them, as have
// the false claimants.
// 2017-04 terminfo.src lacks these. Xterm-likes have them.
unibi_set_if_empty(ut, unibi_to_status_line, "\x1b]0;");
unibi_set_if_empty(ut, unibi_from_status_line, "\x07");
unibi_set_if_empty(ut, unibi_set_tb_margin, "\x1b[%i%p1%d;%p2%dr");
unibi_set_if_empty(ut, unibi_enter_italics_mode, "\x1b[3m");
unibi_set_if_empty(ut, unibi_exit_italics_mode, "\x1b[23m");
if (true_xterm) {
// 2017-04 terminfo.src lacks these. genuine Xterm has them.
@@ -1583,15 +1583,6 @@ static void patch_terminfo_bugs(TUIData *data, const char *term,
unibi_set_if_empty(ut, unibi_set_left_margin_parm, "\x1b[%i%p1%ds");
unibi_set_if_empty(ut, unibi_set_right_margin_parm, "\x1b[%i;%p2%ds");
}
if (true_xterm
|| iterm_pretending_xterm
|| gnome_pretending_xterm
|| konsole_pretending_xterm
|| nsterm) {
// Apple's outdated copy of terminfo.src for MacOS lacks these.
unibi_set_if_empty(ut, unibi_enter_italics_mode, "\x1b[3m");
unibi_set_if_empty(ut, unibi_exit_italics_mode, "\x1b[23m");
}
} else if (rxvt) {
// 2017-04 terminfo.src lacks these. Unicode rxvt has them.
unibi_set_if_empty(ut, unibi_enter_italics_mode, "\x1b[3m");