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Shell: Respect the 'PROMPT_EOL_MARK' environment variable

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This allows the users to customise what is shown when a command ends
without a newline.
This commit is contained in:
AnotherTest 2020-08-18 01:47:57 +04:30 • committed by Andreas Kling
parent ae9211037e
commit 4ee4c94d60
1 changed files with 13 additions and 4 deletions
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17
Shell/Shell.cpp
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@ -1100,11 +1100,20 @@ void Shell::bring_cursor_to_beginning_of_a_line() const
}
}
Line::VT::apply_style(Line::Style { Line::Style::Background(Line::Style::XtermColor::Cyan), Line::Style::Foreground(Line::Style::XtermColor::Black) });
putc('%', stderr);
Line::VT::apply_style(Line::Style::reset_style());
// Black with Cyan background.
constexpr auto default_mark = "\e[30;46m%\e[0m";
String eol_mark = getenv("PROMPT_EOL_MARK");
if (eol_mark.is_null())
eol_mark = default_mark;
size_t eol_mark_length = Line::Editor::actual_rendered_string_metrics(eol_mark).line_lengths.last();
if (eol_mark_length >= ws.ws_col) {
eol_mark = default_mark;
eol_mark_length = 1;
}
for (auto i = 2; i < ws.ws_col; ++i)
fputs(eol_mark.characters(), stderr);
for (auto i = 1 + eol_mark_length; i < ws.ws_col; ++i)
putc(' ', stderr);
putc('\r', stderr);