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FlagLines triggers a window redraw when option is modified

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This commit is contained in:
Maxime Coste 2013-04-02 13:58:28 +02:00
parent e5215e7138
commit cd16a7ff18
1 changed files with 20 additions and 12 deletions
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32
src/highlighters.cc
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@ -331,21 +331,23 @@ void expand_unprintable(DisplayBuffer& display_buffer)
}
}
class FlagLines : public BufferChangeListener_AutoRegister
class FlagLines : public BufferChangeListener_AutoRegister,
public OptionManagerWatcher_AutoRegister
{
public:
FlagLines(Color bg, String option_name, OptionManager& options, const Buffer& buffer)
: BufferChangeListener_AutoRegister(buffer),
FlagLines(Color bg, String option_name, Window& window)
: BufferChangeListener_AutoRegister(window.buffer()),
OptionManagerWatcher_AutoRegister(window.options()),
m_bg(bg), m_option_name(std::move(option_name)),
m_options(options)
m_window(window)
{
// trigger an exception if option is not of right type.
m_options[m_option_name].get<std::vector<LineAndFlag>>();
m_window.options()[m_option_name].get<std::vector<LineAndFlag>>();
}
void operator()(DisplayBuffer& display_buffer)
{
auto& lines = m_options[m_option_name].get<std::vector<LineAndFlag>>();
auto& lines = m_window.options()[m_option_name].get<std::vector<LineAndFlag>>();
CharCount width = 0;
for (auto& l : lines)
@ -363,19 +365,25 @@ public:
}
}
void on_option_changed(const Option& option)
{
if (option.name() == m_option_name)
m_window.forget_timestamp();
}
void on_insert(const BufferIterator& begin, const BufferIterator& end) override
{
LineCount new_lines = end.line() - begin.line();
if (new_lines == 0)
return;
auto lines = m_options[m_option_name].get<std::vector<LineAndFlag>>();
auto lines = m_window.options()[m_option_name].get<std::vector<LineAndFlag>>();
for (auto& line : lines)
{
if (std::get<0>(line) > begin.line())
std::get<0>(line) += new_lines;
}
m_options.get_local_option(m_option_name).set(lines);
m_window.options().get_local_option(m_option_name).set(lines);
}
void on_erase(const BufferIterator& begin, const BufferIterator& end) override
@ -384,19 +392,19 @@ public:
if (removed_lines == 0)
return;
auto lines = m_options[m_option_name].get<std::vector<LineAndFlag>>();
auto lines = m_window.options()[m_option_name].get<std::vector<LineAndFlag>>();
for (auto& line : lines)
{
if (std::get<0>(line) > begin.line())
std::get<0>(line) -= removed_lines;
}
m_options.get_local_option(m_option_name).set(lines);
m_window.options().get_local_option(m_option_name).set(lines);
}
private:
Color m_bg;
String m_option_name;
OptionManager& m_options;
Window& m_window;
};
HighlighterAndId flag_lines_factory(const HighlighterParameters& params, Window& window)
@ -404,7 +412,7 @@ HighlighterAndId flag_lines_factory(const HighlighterParameters& params, Window&
if (params.size() != 2)
throw runtime_error("wrong parameter count");
return {"hlflags_" + params[1], FlagLines{str_to_color(params[0]), params[1], window.options(), window.buffer()}};
return {"hlflags_" + params[1], FlagLines{str_to_color(params[0]), params[1], window}};
}
template<void (*highlighter_func)(DisplayBuffer&)>