kakoune/src/insert_completer.hh
2015-01-12 13:32:14 +00:00

90 lines
2.0 KiB
C++

#ifndef insert_completer_hh_INCLUDED
#define insert_completer_hh_INCLUDED
#include "buffer.hh"
#include "option_manager.hh"
#include "optional.hh"
namespace Kakoune
{
struct InsertCompleterDesc
{
enum Mode
{
Word,
Option,
Filename
};
InsertCompleterDesc(Mode mode = Filename,
Optional<String> param = Optional<String>{})
: mode{mode}, param{std::move(param)}
{}
bool operator==(const InsertCompleterDesc& other) const
{ return mode == other.mode and param == other.param; }
bool operator!=(const InsertCompleterDesc& other) const
{ return !(*this == other); }
Mode mode;
Optional<String> param;
};
using InsertCompleterDescList = Vector<InsertCompleterDesc, MemoryDomain::Options>;
String option_to_string(const InsertCompleterDesc& opt);
void option_from_string(StringView str, InsertCompleterDesc& opt);
using ComplAndDesc = std::pair<String, String>;
using ComplAndDescList = Vector<ComplAndDesc>;
struct InsertCompletion
{
ByteCoord begin;
ByteCoord end;
ComplAndDescList candidates;
size_t timestamp;
bool is_valid() const { return not candidates.empty(); }
};
class InsertCompleter : public OptionManagerWatcher
{
public:
InsertCompleter(const Context& context);
InsertCompleter(const InsertCompleter&) = delete;
InsertCompleter& operator=(const InsertCompleter&) = delete;
~InsertCompleter();
void select(int offset);
void update();
void reset();
void explicit_file_complete();
void explicit_word_complete();
void explicit_line_complete();
private:
bool setup_ifn();
template<typename CompleteFunc>
bool try_complete(CompleteFunc complete_func);
void on_option_changed(const Option& opt) override;
void menu_show();
const Context& m_context;
OptionManager& m_options;
InsertCompletion m_completions;
ComplAndDescList m_matching_candidates;
int m_current_candidate = -1;
};
}
#endif // insert_completer_hh_INCLUDED