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#include "client.hh"
#include "face_registry.hh"
#include "context.hh"
#include "buffer_manager.hh"
#include "user_interface.hh"
#include "file.hh"
#include "remote.hh"
#include "client_manager.hh"
#include "window.hh"
namespace Kakoune
{
Client::Client(std::unique_ptr<UserInterface>&& ui,
std::unique_ptr<Window>&& window,
SelectionList selections,
EnvVarMap env_vars,
String name)
: m_ui{std::move(ui)}, m_window{std::move(window)},
m_input_handler{std::move(selections),
std::move(name)},
m_env_vars(env_vars)
{
context().set_client(*this);
context().set_window(*m_window);
m_window->options().register_watcher(*this);
m_ui->set_ui_options(m_window->options()["ui_options"].get<UserInterface::Options>());
}
Client::~Client()
{
m_window->options().unregister_watcher(*this);
}
void Client::handle_available_input()
{
while (m_ui->is_key_available())
{
m_input_handler.handle_key(m_ui->get_key());
m_input_handler.clear_mode_trash();
}
context().window().forget_timestamp();
}
void Client::print_status(DisplayLine status_line)
{
m_pending_status_line = std::move(status_line);
}
DisplayLine Client::generate_mode_line() const
{
auto pos = context().selections().main().cursor();
auto col = context().buffer()[pos.line].char_count_to(pos.column);
DisplayLine status;
Face info_face = get_face("Information");
Face status_face = get_face("StatusLine");
status.push_back({ context().buffer().display_name(), status_face });
status.push_back({ " " + to_string((int)pos.line+1) + ":" + to_string((int)col+1) + " ", status_face });
if (context().buffer().is_modified())
status.push_back({ "[+]", info_face });
if (m_input_handler.is_recording())
status.push_back({ "[recording ("_str + m_input_handler.recording_reg() + ")]", info_face });
if (context().buffer().flags() & Buffer::Flags::New)
status.push_back({ "[new file]", info_face });
if (context().are_user_hooks_disabled())
status.push_back({ "[no-hooks]", info_face });
if (context().buffer().flags() & Buffer::Flags::Fifo)
status.push_back({ "[fifo]", info_face });
status.push_back({ " ", status_face });
for (auto& atom : m_input_handler.mode_line())
status.push_back(std::move(atom));
status.push_back({ " - " + context().name() + "@[" + Server::instance().session() + "]", status_face });
return status;
}
void Client::change_buffer(Buffer& buffer)
{
auto& client_manager = ClientManager::instance();
m_window->options().unregister_watcher(*this);
client_manager.add_free_window(std::move(m_window),
std::move(context().selections()));
WindowAndSelections ws = client_manager.get_free_window(buffer);
m_window = std::move(ws.window);
m_window->options().register_watcher(*this);
m_ui->set_ui_options(m_window->options()["ui_options"].get<UserInterface::Options>());
context().m_selections = std::move(ws.selections);
context().set_window(*m_window);
m_window->set_dimensions(ui().dimensions());
m_window->hooks().run_hook("WinDisplay", buffer.name(), context());
}
void Client::redraw_ifn()
{
DisplayLine mode_line = generate_mode_line();
const bool buffer_changed = context().window().timestamp() != context().buffer().timestamp();
const bool mode_line_changed = mode_line.atoms() != m_mode_line.atoms();
const bool status_line_changed = m_status_line.atoms() != m_pending_status_line.atoms();
if (buffer_changed or status_line_changed or mode_line_changed)
{
if (buffer_changed)
{
CharCoord dimensions = context().ui().dimensions();
if (dimensions == CharCoord{0,0})
return;
context().window().set_dimensions(dimensions);
context().window().update_display_buffer(context());
}
m_mode_line = std::move(mode_line);
m_status_line = m_pending_status_line;
context().ui().draw(context().window().display_buffer(),
m_status_line, m_mode_line);
}
context().ui().refresh();
}
static void reload_buffer(Context& context, StringView filename)
{
CharCoord view_pos = context.window().position();
ByteCoord cursor_pos = context.selections().main().cursor();
Buffer* buf = create_buffer_from_file(filename);
if (not buf)
return;
context.change_buffer(*buf);
context.selections() = SelectionList{ *buf, buf->clamp(cursor_pos)};
context.window().set_position(view_pos);
context.print_status({ "'" + buf->display_name() + "' reloaded",
get_face("Information") });
}
void Client::check_buffer_fs_timestamp()
{
Buffer& buffer = context().buffer();
auto reload = context().options()["autoreload"].get<YesNoAsk>();
if (not (buffer.flags() & Buffer::Flags::File) or reload == No)
return;
const String& filename = buffer.name();
time_t ts = get_fs_timestamp(filename);
if (ts == InvalidTime or ts == buffer.fs_timestamp())
return;
if (reload == Ask)
{
m_ui->info_show(
"reload '" + buffer.display_name() + "' ?",
"'" + buffer.display_name() + "' was modified externally\n"
"press r or y to reload, k or n to keep",
CharCoord{}, get_face("Information"), InfoStyle::Prompt);
m_input_handler.on_next_key(KeymapMode::None,
[this, filename](Key key, Context& context) {
Buffer* buf = BufferManager::instance().get_buffer_ifp(filename);
m_ui->info_hide();
// buffer got deleted while waiting for the key, do nothing
if (not buf)
return;
if (key == 'r' or key == 'y')
reload_buffer(context, filename);
else if (key == 'k' or key == 'n')
{
// reread timestamp in case the file was modified again
buf->set_fs_timestamp(get_fs_timestamp(filename));
print_status({ "'" + buf->display_name() + "' kept",
get_face("Information") });
}
else
{
print_status({ "'" + key_to_str(key) + "' is not a valid choice",
get_face("Error") });
check_buffer_fs_timestamp();
}
});
}
else
reload_buffer(context(), filename);
}
const String& Client::get_env_var(const String& name) const
{
auto it = m_env_vars.find(name);
static String empty{};
if (it == m_env_vars.end())
return empty;
return it->second;
}
void Client::on_option_changed(const Option& option)
{
if (option.name() == "ui_options")
m_ui->set_ui_options(option.get<UserInterface::Options>());
}
}
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