Rework partial line display logic
Instead of highlighting full lines and then trim them to make them fit in the window, highlight only the visible portion, and rely on the compute_display_setup system introduced for wrapping to setup our buffer range correctly
This commit is contained in:
Maxime Coste
parent
e145d05e34
commit
f310db639c
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@ -53,7 +53,6 @@ void DisplayAtom::trim_begin(ColumnCount count)
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count).coord();
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else
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m_text = m_text.substr(count).str();
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check_invariant();
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}
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void DisplayAtom::trim_end(ColumnCount count)
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@ -64,18 +63,6 @@ void DisplayAtom::trim_end(ColumnCount count)
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-count).coord();
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else
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m_text = m_text.substr(0, m_text.column_length() - count).str();
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check_invariant();
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}
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void DisplayAtom::check_invariant() const
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{
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#ifdef KAK_DEBUG
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if (has_buffer_range())
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{
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kak_assert(m_buffer->is_valid(m_range.begin));
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kak_assert(m_buffer->is_valid(m_range.end));
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}
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#endif
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}
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DisplayLine::DisplayLine(AtomList atoms)
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@ -93,8 +80,6 @@ DisplayLine::iterator DisplayLine::split(iterator it, BufferCoord pos)
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DisplayAtom atom = *it;
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atom.m_range.end = pos;
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it->m_range.begin = pos;
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atom.check_invariant();
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it->check_invariant();
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return m_atoms.insert(it, std::move(atom));
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}
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@ -106,8 +91,6 @@ DisplayLine::iterator DisplayLine::split(iterator it, ColumnCount pos)
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DisplayAtom atom(it->m_text.substr(0, pos).str());
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it->m_text = it->m_text.substr(pos).str();
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atom.check_invariant();
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it->check_invariant();
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return m_atoms.insert(it, std::move(atom));
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}
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@ -174,7 +157,6 @@ void DisplayLine::optimize()
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next_atom_it = m_atoms.erase(next_atom_it);
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else
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atom_it = next_atom_it++;
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atom_it->check_invariant();
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}
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}
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@ -31,12 +31,10 @@ public:
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enum Type { Range, ReplacedRange, Text };
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DisplayAtom(const Buffer& buffer, BufferCoord begin, BufferCoord end)
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: m_type(Range), m_buffer(&buffer), m_range{begin, end}
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{ check_invariant(); }
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: m_type(Range), m_buffer(&buffer), m_range{begin, end} {}
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DisplayAtom(String str, Face face = Face{})
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: m_type(Text), m_text(std::move(str)), face(face)
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{ check_invariant(); }
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: m_type(Text), m_text(std::move(str)), face(face) {}
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StringView content() const;
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ColumnCount length() const;
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@ -72,8 +70,6 @@ public:
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void trim_begin(ColumnCount count);
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void trim_end(ColumnCount count);
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void check_invariant() const;
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bool operator==(const DisplayAtom& other) const
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{
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return face == other.face and type() == other.type() and
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@ -880,10 +880,16 @@ struct WrapHighlighter : Highlighter
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const ColumnCount m_max_width;
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};
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void expand_tabulations(const Context& context, HighlightPass, DisplayBuffer& display_buffer, BufferRange)
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struct TabulationHighlighter : Highlighter
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{
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TabulationHighlighter() : Highlighter{HighlightPass::Move} {}
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void do_highlight(const Context& context, HighlightPass,
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DisplayBuffer& display_buffer, BufferRange) override
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{
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const ColumnCount tabstop = context.options()["tabstop"].get<int>();
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auto& buffer = context.buffer();
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auto win_column = context.window().position().column;
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for (auto& line : display_buffer.lines())
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{
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for (auto atom_it = line.begin(); atom_it != line.end(); ++atom_it)
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@ -902,12 +908,10 @@ void expand_tabulations(const Context& context, HighlightPass, DisplayBuffer& di
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if (it+1 != end)
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atom_it = line.split(atom_it, (it+1).coord());
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ColumnCount column = get_column(buffer, tabstop, it.coord());
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ColumnCount count = tabstop - (column % tabstop);
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String padding;
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for (int i = 0; i < count; ++i)
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padding += ' ';
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atom_it->replace(padding);
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const ColumnCount column = get_column(buffer, tabstop, it.coord());
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const ColumnCount count = tabstop - (column % tabstop) -
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std::max(win_column - column, 0_col);
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atom_it->replace(String{' ', count});
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break;
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}
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}
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@ -915,6 +919,25 @@ void expand_tabulations(const Context& context, HighlightPass, DisplayBuffer& di
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}
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}
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void do_compute_display_setup(const Context& context, HighlightPass, DisplaySetup& setup) override
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{
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auto& buffer = context.buffer();
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// Ensure that a cursor on a tab character makes the full tab character visible
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auto cursor = context.selections().main().cursor();
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if (buffer.byte_at(cursor) != '\t')
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return;
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const ColumnCount tabstop = context.options()["tabstop"].get<int>();
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const ColumnCount column = get_column(buffer, tabstop, cursor);
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const ColumnCount width = tabstop - (column % tabstop);
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const ColumnCount win_end = setup.window_pos.column + setup.window_range.column;
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const ColumnCount offset = std::max(column + width - win_end, 0_col);
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setup.window_pos.column += offset;
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setup.cursor_pos.column -= offset;
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}
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};
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void show_whitespaces(const Context& context, HighlightPass, DisplayBuffer& display_buffer, BufferRange,
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StringView tab, StringView tabpad,
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StringView spc, StringView lf, StringView nbsp)
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@ -1935,7 +1958,7 @@ private:
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void setup_builtin_highlighters(HighlighterGroup& group)
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{
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group.add_child({"tabulations"_str, make_highlighter(expand_tabulations)});
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group.add_child({"tabulations"_str, make_unique<TabulationHighlighter>()});
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group.add_child({"unprintable"_str, make_highlighter(expand_unprintable)});
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group.add_child({"selections"_str, make_highlighter(highlight_selections)});
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}
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@ -122,12 +122,15 @@ const DisplayBuffer& Window::update_display_buffer(const Context& context)
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kak_assert(&buffer() == &context.buffer());
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compute_display_setup(context);
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const int tabstop = context.options()["tabstop"].get<int>();
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for (LineCount line = 0; line < m_range.line; ++line)
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{
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LineCount buffer_line = m_position.line + line;
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if (buffer_line >= buffer().line_count())
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break;
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lines.emplace_back(AtomList{ {buffer(), buffer_line, buffer_line+1} });
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auto beg_byte = get_byte_to_column(buffer(), tabstop, {buffer_line, m_position.column});
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auto end_byte = get_byte_to_column(buffer(), tabstop, {buffer_line, m_position.column + m_range.column});
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lines.emplace_back(AtomList{ {buffer(), {buffer_line, beg_byte}, {buffer_line, end_byte}} });
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}
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m_display_buffer.compute_range();
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@ -137,9 +140,6 @@ const DisplayBuffer& Window::update_display_buffer(const Context& context)
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for (auto pass : { HighlightPass::Wrap, HighlightPass::Move, HighlightPass::Colorize })
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m_builtin_highlighters.highlight(context, pass, m_display_buffer, range);
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// cut the start of the line before m_position.column
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for (auto& line : lines)
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line.trim(m_position.column, m_dimensions.column, true);
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m_display_buffer.optimize();
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m_last_setup = build_setup(context);
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@ -1,6 +1,6 @@
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{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "23456789012345678901234567890123456789012345678901234567890123456789012345678901" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "234567890123456789012345678901234567890123456789012345678901234567890123456" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": " " }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "90" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "7890\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }
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{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "90123456789012345678901234567890123456789012345678901234567890123456789012345678" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "90123456789012345678901234567890123456789012345678901234567890123456" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": " " }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "90" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "7890\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }
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{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }
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{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }
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{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 2:78 " }, { "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": [] }] }
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{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 1, "column": 79 }] }
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{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 1, "column": 72 }] }
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{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }
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@ -1,4 +1,4 @@
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{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": "\"" }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "abcdefgh\"" }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": " hehe " }, { "face": { "fg": "red", "bg": "default", "attributes": [] }, "contents": "${ youhou{hihi} }" }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "\u000a" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }
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{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": "\"" }, { "face": { "fg": "green", "bg": "default", "attributes": [] }, "contents": "abcdefgh\"" }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": " hehe " }, { "face": { "fg": "red", "bg": "default", "attributes": [] }, "contents": "${ youhou{hihi} }" }, { "face": { "fg": "yellow", "bg": "default", "attributes": [] }, "contents": "\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }
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{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }
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{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }
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{ "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": [] }] }
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