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line highlighter highlights up to window's end

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This commit is contained in:
Maxime Coste 2015-05-05 20:21:17 +01:00
parent 1a1db1cb3a
commit 0ee95d02c4
1 changed files with 25 additions and 3 deletions
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28
src/highlighters.cc
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@ -13,6 +13,7 @@
#include "parameters_parser.hh"
#include "register_manager.hh"
#include "string.hh"
#include "window.hh"
#include "utf8.hh"
#include "utf8_iterator.hh"
@ -505,9 +506,30 @@ HighlighterAndId create_line_highlighter(HighlighterParameters params)
auto func = [=](const Context& context, HighlightFlags flags,
DisplayBuffer& display_buffer, BufferRange)
{
if (auto line = str_to_int_ifp(expand(option_name, context, {}, EnvVarMap{})))
highlight_range(display_buffer, {*line-1, 0}, {*line, 0}, false,
apply_face(get_face(facespec)));
const LineCount line = str_to_int_ifp(expand(option_name, context, {}, EnvVarMap{})).value_or(0) - 1;
if (line < 0)
return;
auto it = find_if(display_buffer.lines(),
[line](const DisplayLine& l)
{ return l.range().begin.line == line; });
if (it == display_buffer.lines().end())
return;
auto face = get_face(facespec);
CharCount column = 0;
for (auto atom_it = it->begin(); atom_it != it->end(); ++atom_it)
{
column += atom_it->length();
if (!atom_it->has_buffer_range())
continue;
kak_assert(atom_it->begin().line == line);
apply_face(face)(*atom_it);
}
const CharCount remaining = context.window().dimensions().column - column;
if (remaining > 0)
it->push_back({ String{' ', remaining}, face });
};
return {"hlline_" + params[0], make_simple_highlighter(std::move(func))};