Refactor column highlighter to make it more robust

Support arbitrary orders for column highlighters (it was previously
failing when column highlighters were not applied in column order).

Fix show_matching tab handling at the same time (horizontal scrolling,
tab characters and show_matching were behaving badly).

Window highlighting now runs user highlighters, then built-ins for each
phases, instead of running all phases for user highlighters, then all
phases for built-ins.

We now consider unprintable character to be 1-column width as we know
we will display them as "�".

Fixes #1615
Fixes #1023
This commit is contained in:
Maxime Coste 2017-10-12 14:38:19 +08:00
parent 446085d32b
commit 89f016d871
8 changed files with 62 additions and 57 deletions

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@ -92,15 +92,22 @@ DisplayLine::iterator DisplayLine::split(iterator it, BufferCoord pos)
return m_atoms.insert(it, std::move(atom)); return m_atoms.insert(it, std::move(atom));
} }
DisplayLine::iterator DisplayLine::split(iterator it, ColumnCount pos) DisplayLine::iterator DisplayLine::split(iterator it, ColumnCount count)
{ {
kak_assert(it->type() == DisplayAtom::Text); kak_assert(count > 0);
kak_assert(pos > 0); kak_assert(count < it->length());
kak_assert(pos < it->length());
DisplayAtom atom(it->m_text.substr(0, pos).str()); if (it->type() == DisplayAtom::Text or it->type() == DisplayAtom::ReplacedRange)
it->m_text = it->m_text.substr(pos).str(); {
return m_atoms.insert(it, std::move(atom)); DisplayAtom atom = *it;
atom.m_text = atom.m_text.substr(0, count).str();
it->m_text = it->m_text.substr(count).str();
return m_atoms.insert(it, std::move(atom));
}
auto pos = utf8::advance(get_iterator(it->buffer(), it->begin()),
get_iterator(it->buffer(), it->end()),
count).coord();
return split(it, pos);
} }
DisplayLine::iterator DisplayLine::insert(iterator it, DisplayAtom atom) DisplayLine::iterator DisplayLine::insert(iterator it, DisplayAtom atom)

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@ -615,59 +615,37 @@ HighlighterAndId create_column_highlighter(HighlighterParameters params)
if (column < 0) if (column < 0)
return; return;
const Buffer& buffer = context.buffer();
const int tabstop = context.options()["tabstop"].get<int>();
auto face = get_face(facespec); auto face = get_face(facespec);
auto win_column = context.window().position().column;
for (auto& line : display_buffer.lines()) for (auto& line : display_buffer.lines())
{ {
const LineCount buf_line = line.range().begin.line; auto target_col = column - win_column;
const ByteCount byte_col = get_byte_to_column(buffer, tabstop, {buf_line, column}); if (target_col < 0)
const BufferCoord coord{buf_line, byte_col}; return;
bool found = false; bool found = false;
if (buffer.is_valid(coord) and not buffer.is_end(coord)) auto first_buf = find_if(line, [](auto& atom) { return atom.has_buffer_range(); });
for (auto atom_it = first_buf; atom_it != line.end(); ++atom_it)
{ {
for (auto atom_it = line.begin(); atom_it != line.end(); ++atom_it) const auto atom_len = atom_it->length();
if (target_col < atom_len)
{ {
if (atom_it->type() != DisplayAtom::Range) if (target_col > 0)
continue; atom_it = ++line.split(atom_it, target_col);
if (atom_it->length() > 1)
kak_assert(atom_it->begin().line == buf_line); atom_it = line.split(atom_it, 1_col);
if (coord >= atom_it->begin() and coord < atom_it->end()) atom_it->face = merge_faces(atom_it->face, face);
{ found = true;
if (coord > atom_it->begin()) break;
atom_it = ++line.split(atom_it, coord);
if (buffer.next(coord) < atom_it->end())
atom_it = line.split(atom_it, buffer.next(coord));
apply_face(face)(*atom_it);
found = true;
break;
}
} }
target_col -= atom_len;
} }
if (not found) if (found)
{ continue;
ColumnCount last_buffer_col = context.window().position().column;
for (auto& atom : line)
{
if (atom.has_buffer_range())
{
auto pos = atom.end();
if (pos.column == 0)
pos = {pos.line-1, buffer[pos.line-1].length()};
if (pos != atom.begin())
last_buffer_col = get_column(buffer, tabstop, pos);
}
}
ColumnCount count = column - last_buffer_col; if (target_col > 0)
if (count >= 0) line.push_back({String{' ', target_col}});
{ line.push_back({" ", face});
if (count > 0)
line.push_back({String{' ', count}});
line.push_back({String{" "}, face});
}
}
} }
}; };
@ -930,6 +908,7 @@ void show_whitespaces(const Context& context, HighlightPass, DisplayBuffer& disp
const int tabstop = context.options()["tabstop"].get<int>(); const int tabstop = context.options()["tabstop"].get<int>();
auto whitespaceface = get_face("Whitespace"); auto whitespaceface = get_face("Whitespace");
auto& buffer = context.buffer(); auto& buffer = context.buffer();
auto win_column = context.window().position().column;
for (auto& line : display_buffer.lines()) for (auto& line : display_buffer.lines())
{ {
for (auto atom_it = line.begin(); atom_it != line.end(); ++atom_it) for (auto atom_it = line.begin(); atom_it != line.end(); ++atom_it)
@ -952,9 +931,10 @@ void show_whitespaces(const Context& context, HighlightPass, DisplayBuffer& disp
if (cp == '\t') if (cp == '\t')
{ {
int column = (int)get_column(buffer, tabstop, coord); const ColumnCount column = get_column(buffer, tabstop, coord);
int count = tabstop - (column % tabstop); const ColumnCount count = tabstop - (column % tabstop) -
atom_it->replace(tab + String(tabpad[(CharCount)0], CharCount{count-1})); std::max(win_column - column, 0_col);
atom_it->replace(tab + String(tabpad[(CharCount)0], count - tab.column_length()));
} }
else if (cp == ' ') else if (cp == ' ')
atom_it->replace(spc.str()); atom_it->replace(spc.str());
@ -996,7 +976,7 @@ HighlighterAndId show_whitespaces_factory(HighlighterParameters params)
get_param("lf", "¬"), get_param("lf", "¬"),
get_param("nbsp", "")); get_param("nbsp", ""));
return {"show_whitespaces", make_highlighter(std::move(func))}; return {"show_whitespaces", make_highlighter(std::move(func), HighlightPass::Move)};
} }
struct LineNumbersHighlighter : Highlighter struct LineNumbersHighlighter : Highlighter

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@ -58,7 +58,7 @@ inline ColumnCount codepoint_width(Codepoint c) noexcept
if (c == '\n') if (c == '\n')
return 1; return 1;
const auto width = wcwidth((wchar_t)c); const auto width = wcwidth((wchar_t)c);
return width > 0 ? width : 0; return width >= 0 ? width : 1;
} }
enum class CharCategories enum class CharCategories

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@ -136,15 +136,18 @@ const DisplayBuffer& Window::update_display_buffer(const Context& context)
buffer()[buffer_line].length() buffer()[buffer_line].length()
: get_byte_to_column(buffer(), tabstop, {buffer_line, m_position.column + m_range.column}); : get_byte_to_column(buffer(), tabstop, {buffer_line, m_position.column + m_range.column});
// The display buffer always has at least one buffer atom, which might be empty if
// beg_byte == end_byte
lines.emplace_back(AtomList{ {buffer(), {buffer_line, beg_byte}, {buffer_line, end_byte}} }); lines.emplace_back(AtomList{ {buffer(), {buffer_line, beg_byte}, {buffer_line, end_byte}} });
} }
m_display_buffer.compute_range(); m_display_buffer.compute_range();
BufferRange range{{0,0}, buffer().end_coord()}; BufferRange range{{0,0}, buffer().end_coord()};
for (auto pass : { HighlightPass::Wrap, HighlightPass::Move, HighlightPass::Colorize }) for (auto pass : { HighlightPass::Wrap, HighlightPass::Move, HighlightPass::Colorize })
{
m_highlighters.highlight(context, pass, m_display_buffer, range); m_highlighters.highlight(context, pass, m_display_buffer, range);
for (auto pass : { HighlightPass::Wrap, HighlightPass::Move, HighlightPass::Colorize })
m_builtin_highlighters.highlight(context, pass, m_display_buffer, range); m_builtin_highlighters.highlight(context, pass, m_display_buffer, range);
}
m_display_buffer.optimize(); m_display_buffer.optimize();

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@ -0,0 +1,6 @@
{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "1│" }, { "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": "a" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }, { "face": { "fg": "default", "bg": "red", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "blue", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "green", "attributes": [] }, "contents": " " }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "2│" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "red", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "blue", "attributes": [] }, "contents": "a" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "b" }, { "face": { "fg": "default", "bg": "green", "attributes": [] }, "contents": "\u000a" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "3│" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "ab" }, { "face": { "fg": "default", "bg": "red", "attributes": [] }, "contents": "c" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "\u000a" }, { "face": { "fg": "default", "bg": "blue", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "green", "attributes": [] }, "contents": " " }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "4│" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "ab" }, { "face": { "fg": "default", "bg": "red", "attributes": [] }, "contents": "c" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "d" }, { "face": { "fg": "default", "bg": "blue", "attributes": [] }, "contents": "\u000a" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "green", "attributes": [] }, "contents": " " }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }
{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }
{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }
{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - unnamed0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }
{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 2 }] }
{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }

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@ -0,0 +1,4 @@
a
ab
abc
abcd

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@ -0,0 +1,5 @@
add-highlighter number_lines
set window tabstop 4
add-highlighter column 3 default,red
add-highlighter column 7 default,green
add-highlighter column 5 default,blue