140 lines
4.4 KiB
C++
140 lines
4.4 KiB
C++
#include "client.hh"
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#include "color_registry.hh"
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#include "context.hh"
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#include "buffer_manager.hh"
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#include "user_interface.hh"
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#include "file.hh"
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#include "remote.hh"
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#include "client_manager.hh"
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#include "window.hh"
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namespace Kakoune
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{
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Client::Client(std::unique_ptr<UserInterface>&& ui,
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std::unique_ptr<Window>&& window,
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SelectionList selections, String name)
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: m_ui{std::move(ui)}, m_window{std::move(window)},
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m_input_handler{m_window->buffer(), std::move(selections), std::move(name)}
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{
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context().set_client(*this);
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context().set_window(*m_window);
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}
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Client::~Client()
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{
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}
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void Client::handle_available_input()
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{
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while (m_ui->is_key_available())
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{
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m_input_handler.handle_key(m_ui->get_key());
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m_input_handler.clear_mode_trash();
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}
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context().window().forget_timestamp();
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}
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void Client::print_status(DisplayLine status_line)
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{
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m_status_line = std::move(status_line);
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context().window().forget_timestamp();
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}
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DisplayLine Client::generate_mode_line() const
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{
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auto pos = context().selections().main().last();
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auto col = context().buffer()[pos.line].char_count_to(pos.column);
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std::ostringstream oss;
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oss << context().buffer().display_name()
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<< " " << (int)pos.line+1 << ":" << (int)col+1;
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if (context().buffer().is_modified())
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oss << " [+]";
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if (m_input_handler.is_recording())
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oss << " [recording (" << m_input_handler.recording_reg() << ")]";
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if (context().buffer().flags() & Buffer::Flags::New)
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oss << " [new file]";
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oss << " [" << m_input_handler.mode_string() << "]" << " - "
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<< context().name() << "@[" << Server::instance().session() << "]";
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return { oss.str(), get_color("StatusLine") };
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}
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void Client::change_buffer(Buffer& buffer)
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{
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ClientManager::instance().add_free_window(std::move(m_window), std::move(context().selections()));
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std::tie(m_window, context().m_selections) = ClientManager::instance().get_free_window(buffer);
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context().set_window(*m_window);
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m_window->set_dimensions(ui().dimensions());
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m_window->hooks().run_hook("WinDisplay", buffer.name(), context());
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}
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void Client::redraw_ifn()
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{
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if (context().window().timestamp() != context().buffer().timestamp())
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{
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DisplayCoord dimensions = context().ui().dimensions();
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if (dimensions == DisplayCoord{0,0})
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return;
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context().window().set_dimensions(dimensions);
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context().window().update_display_buffer(context());
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context().ui().draw(context().window().display_buffer(),
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m_status_line, generate_mode_line());
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}
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}
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static void reload_buffer(Context& context, const String& filename)
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{
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DisplayCoord view_pos = context.window().position();
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BufferCoord cursor_pos = context.selections().main().last();
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Buffer* buf = create_buffer_from_file(filename);
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if (not buf)
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return;
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context.change_buffer(*buf);
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context.selections() = SelectionList{cursor_pos};
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context.window().set_position(view_pos);
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context.print_status({ "'" + buf->display_name() + "' reloaded",
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get_color("Information") });
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}
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void Client::check_buffer_fs_timestamp()
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{
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Buffer& buffer = context().buffer();
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auto reload = context().options()["autoreload"].get<YesNoAsk>();
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if (not (buffer.flags() & Buffer::Flags::File) or reload == No)
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return;
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const String& filename = buffer.name();
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time_t ts = get_fs_timestamp(filename);
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if (ts == buffer.fs_timestamp())
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return;
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if (reload == Ask)
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{
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print_status({"'" + buffer.display_name() + "' was modified externally, press r or y to reload, k or n to keep", get_color("Prompt")});
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m_input_handler.on_next_key([this, ts, filename](Key key, Context& context) {
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Buffer* buf = BufferManager::instance().get_buffer_ifp(filename);
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// buffer got deleted while waiting for the key, do nothing
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if (not buf)
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{
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print_status({});
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return;
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}
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if (key == 'r' or key == 'y')
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reload_buffer(context, filename);
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if (key == 'k' or key == 'n')
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{
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buf->set_fs_timestamp(ts);
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print_status({"'" + buf->display_name() + "' kept", get_color("Information") });
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}
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else
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check_buffer_fs_timestamp();
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});
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}
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else
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reload_buffer(context(), filename);
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}
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}
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