mirror of
https://github.com/mawww/kakoune.git
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6f4515f005
Do not implicitely change new clients selections to target coordinates when the user did not specify them, so that we can re-use the selections from the found free window, which is the generally desired behaviour.
386 lines
12 KiB
C++
386 lines
12 KiB
C++
#include "client.hh"
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#include "face_registry.hh"
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#include "context.hh"
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#include "buffer_manager.hh"
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#include "buffer_utils.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 "command_manager.hh"
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#include "event_manager.hh"
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#include "user_interface.hh"
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#include "window.hh"
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#include <csignal>
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#include <unistd.h>
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#include <utility>
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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,
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EnvVarMap env_vars,
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String name)
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: m_ui{std::move(ui)}, m_window{std::move(window)},
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m_input_handler{std::move(selections), Context::Flags::None,
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std::move(name)},
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m_env_vars(std::move(env_vars))
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{
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m_window->set_client(this);
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context().set_client(*this);
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context().set_window(*m_window);
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m_window->set_dimensions(m_ui->dimensions());
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m_window->options().register_watcher(*this);
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m_ui->set_ui_options(m_window->options()["ui_options"].get<UserInterface::Options>());
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m_ui->set_on_key([this](Key key) {
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if (key == ctrl('c'))
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killpg(getpgrp(), SIGINT);
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else
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m_pending_keys.push_back(key);
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});
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m_window->hooks().run_hook("WinDisplay", m_window->buffer().name(), context());
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force_redraw();
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}
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Client::~Client()
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{
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m_window->options().unregister_watcher(*this);
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m_window->set_client(nullptr);
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ClientManager::instance().add_free_window(std::move(m_window),
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std::move(context().selections()));
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}
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bool Client::process_pending_inputs()
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{
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const bool debug_keys = (bool)(context().options()["debug"].get<DebugFlags>() & DebugFlags::Keys);
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// steal keys as we might receive new keys while handling them.
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Vector<Key, MemoryDomain::Client> keys = std::move(m_pending_keys);
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for (auto& key : keys)
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{
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try
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{
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if (debug_keys)
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write_to_debug_buffer(format("Client '{}' got key '{}'",
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context().name(), key_to_str(key)));
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if (key == Key::FocusIn)
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context().hooks().run_hook("FocusIn", context().name(), context());
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else if (key == Key::FocusOut)
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context().hooks().run_hook("FocusOut", context().name(), context());
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else if (key.modifiers == Key::Modifiers::Resize)
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{
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m_window->set_dimensions(m_ui->dimensions());
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force_redraw();
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}
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else
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m_input_handler.handle_key(key);
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}
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catch (Kakoune::runtime_error& error)
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{
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context().print_status({ error.what().str(), get_face("Error") });
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context().hooks().run_hook("RuntimeError", error.what(), context());
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}
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}
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return not keys.empty();
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}
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void Client::print_status(DisplayLine status_line, bool immediate)
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{
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m_status_line = std::move(status_line);
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if (immediate)
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{
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m_ui->draw_status(m_status_line, m_mode_line, get_face("StatusLine"));
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m_ui->refresh(true);
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}
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else
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{
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m_ui_pending |= StatusLine;
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}
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}
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DisplayCoord Client::dimensions() const
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{
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return m_ui->dimensions();
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}
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DisplayLine Client::generate_mode_line() const
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{
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DisplayLine modeline;
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try
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{
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const String& modelinefmt = context().options()["modelinefmt"].get<String>();
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modeline = parse_display_line(expand(modelinefmt, context(), ShellContext{},
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[](String s) { return escape(s, '{', '\\'); }));
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}
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catch (runtime_error& err)
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{
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write_to_debug_buffer(format("Error while parsing modelinefmt: {}", err.what()));
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modeline.push_back({ "modelinefmt error, see *debug* buffer", get_face("Error") });
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}
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Face info_face = get_face("Information");
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if (context().buffer().is_modified())
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modeline.push_back({ "[+]", info_face });
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if (m_input_handler.is_recording())
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modeline.push_back({ format("[recording ({})]", m_input_handler.recording_reg()), info_face });
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if (context().buffer().flags() & Buffer::Flags::New)
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modeline.push_back({ "[new file]", info_face });
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if (context().hooks_disabled())
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modeline.push_back({ "[no-hooks]", info_face });
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if (context().buffer().flags() & Buffer::Flags::Fifo)
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modeline.push_back({ "[fifo]", info_face });
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modeline.push_back({ " " });
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for (auto& atom : m_input_handler.mode_line())
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modeline.push_back(std::move(atom));
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modeline.push_back({ format(" - {}@[{}]", context().name(), Server::instance().session()) });
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return modeline;
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}
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void Client::change_buffer(Buffer& buffer)
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{
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if (m_buffer_reload_dialog_opened)
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close_buffer_reload_dialog();
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auto* current = &m_window->buffer();
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m_last_buffer = contains(BufferManager::instance(), current) ? current : nullptr;
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auto& client_manager = ClientManager::instance();
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m_window->options().unregister_watcher(*this);
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m_window->set_client(nullptr);
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client_manager.add_free_window(std::move(m_window),
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std::move(context().selections()));
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WindowAndSelections ws = client_manager.get_free_window(buffer);
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m_window = std::move(ws.window);
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m_window->set_client(this);
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m_window->options().register_watcher(*this);
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m_ui->set_ui_options(m_window->options()["ui_options"].get<UserInterface::Options>());
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context().selections_write_only() = std::move(ws.selections);
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context().set_window(*m_window);
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m_window->set_dimensions(m_ui->dimensions());
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force_redraw();
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m_window->hooks().run_hook("WinDisplay", buffer.name(), context());
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}
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static bool is_inline(InfoStyle style)
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{
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return style == InfoStyle::Inline or
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style == InfoStyle::InlineAbove or
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style == InfoStyle::InlineBelow;
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}
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void Client::redraw_ifn()
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{
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Window& window = context().window();
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if (window.needs_redraw(context()))
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m_ui_pending |= Draw;
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DisplayLine mode_line = generate_mode_line();
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if (mode_line.atoms() != m_mode_line.atoms())
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{
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m_ui_pending |= StatusLine;
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m_mode_line = std::move(mode_line);
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}
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if (m_ui_pending == 0)
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return;
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if (m_ui_pending & Draw)
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{
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m_ui->draw(window.update_display_buffer(context()),
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get_face("Default"), get_face("BufferPadding"));
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if (not m_menu.items.empty() and m_menu.style == MenuStyle::Inline and
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m_menu.ui_anchor != window.display_position(m_menu.anchor))
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m_ui_pending |= (MenuShow | MenuSelect);
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if (not m_info.content.empty() and is_inline(m_info.style) and
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m_info.ui_anchor != window.display_position(m_info.anchor))
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m_ui_pending |= InfoShow;
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}
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if (m_ui_pending & MenuShow)
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{
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m_menu.ui_anchor = m_menu.style == MenuStyle::Inline ?
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window.display_position(m_menu.anchor) : DisplayCoord{};
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m_ui->menu_show(m_menu.items, m_menu.ui_anchor,
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get_face("MenuForeground"), get_face("MenuBackground"),
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m_menu.style);
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}
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if (m_ui_pending & MenuSelect)
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m_ui->menu_select(m_menu.selected);
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if (m_ui_pending & MenuHide)
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m_ui->menu_hide();
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if (m_ui_pending & InfoShow)
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{
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m_info.ui_anchor = is_inline(m_info.style) ?
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window.display_position(m_info.anchor) : DisplayCoord{};
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m_ui->info_show(m_info.title, m_info.content, m_info.ui_anchor,
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get_face("Information"), m_info.style);
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}
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if (m_ui_pending & InfoHide)
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m_ui->info_hide();
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if (m_ui_pending & StatusLine)
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m_ui->draw_status(m_status_line, m_mode_line, get_face("StatusLine"));
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m_ui->refresh(m_ui_pending | Refresh);
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m_ui_pending = 0;
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}
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void Client::force_redraw()
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{
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m_ui_pending |= Refresh | Draw | StatusLine |
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(m_menu.items.empty() ? MenuHide : MenuShow | MenuSelect) |
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(m_info.content.empty() ? InfoHide : InfoShow);
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}
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void Client::reload_buffer()
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{
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Buffer& buffer = context().buffer();
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reload_file_buffer(buffer);
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context().print_status({ format("'{}' reloaded", buffer.display_name()),
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get_face("Information") });
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}
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void Client::on_buffer_reload_key(Key key)
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{
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auto& buffer = context().buffer();
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if (key == 'y' or key == Key::Return)
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reload_buffer();
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else if (key == 'n' or key == Key::Escape)
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{
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// reread timestamp in case the file was modified again
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buffer.set_fs_timestamp(get_fs_timestamp(buffer.name()));
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print_status({ format("'{}' kept", buffer.display_name()),
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get_face("Information") });
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}
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else
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{
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print_status({ format("'{}' is not a valid choice", key_to_str(key)),
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get_face("Error") });
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m_input_handler.on_next_key(KeymapMode::None, [this](Key key, Context&){ on_buffer_reload_key(key); });
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return;
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}
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for (auto& client : ClientManager::instance())
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{
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if (&client->context().buffer() == &buffer and
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client->m_buffer_reload_dialog_opened)
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client->close_buffer_reload_dialog();
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}
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}
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void Client::close_buffer_reload_dialog()
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{
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kak_assert(m_buffer_reload_dialog_opened);
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m_buffer_reload_dialog_opened = false;
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info_hide(true);
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m_input_handler.reset_normal_mode();
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}
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void Client::check_if_buffer_needs_reloading()
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{
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if (m_buffer_reload_dialog_opened)
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return;
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Buffer& buffer = context().buffer();
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auto reload = context().options()["autoreload"].get<Autoreload>();
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if (not (buffer.flags() & Buffer::Flags::File) or reload == Autoreload::No)
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return;
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const String& filename = buffer.name();
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timespec ts = get_fs_timestamp(filename);
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if (ts == InvalidTime or ts == buffer.fs_timestamp())
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return;
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if (reload == Autoreload::Ask)
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{
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StringView bufname = buffer.display_name();
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info_show(format("reload '{}' ?", bufname),
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format("'{}' was modified externally\n"
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"press <ret> or y to reload, <esc> or n to keep",
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bufname), {}, InfoStyle::Modal);
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m_buffer_reload_dialog_opened = true;
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m_input_handler.on_next_key(KeymapMode::None, [this](Key key, Context&){ on_buffer_reload_key(key); });
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}
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else
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reload_buffer();
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}
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StringView Client::get_env_var(StringView name) const
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{
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auto it = m_env_vars.find(name);
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if (it == m_env_vars.end())
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return {};
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return it->value;
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}
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void Client::on_option_changed(const Option& option)
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{
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if (option.name() == "ui_options")
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{
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m_ui->set_ui_options(option.get<UserInterface::Options>());
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m_ui_pending |= Draw;
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}
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}
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void Client::menu_show(Vector<DisplayLine> choices, BufferCoord anchor, MenuStyle style)
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{
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m_menu = Menu{ std::move(choices), anchor, {}, style, -1 };
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m_ui_pending |= MenuShow;
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m_ui_pending &= ~MenuHide;
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}
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void Client::menu_select(int selected)
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{
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m_menu.selected = selected;
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m_ui_pending |= MenuSelect;
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m_ui_pending &= ~MenuHide;
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}
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void Client::menu_hide()
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{
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m_menu = Menu{};
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m_ui_pending |= MenuHide;
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m_ui_pending &= ~(MenuShow | MenuSelect);
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}
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void Client::info_show(String title, String content, BufferCoord anchor, InfoStyle style)
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{
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if (m_info.style == InfoStyle::Modal) // We already have a modal info opened, do not touch it.
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return;
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m_info = Info{ std::move(title), std::move(content), anchor, {}, style };
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m_ui_pending |= InfoShow;
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m_ui_pending &= ~InfoHide;
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}
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void Client::info_hide(bool even_modal)
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{
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if (not even_modal and m_info.style == InfoStyle::Modal)
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return;
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m_info = Info{};
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m_ui_pending |= InfoHide;
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m_ui_pending &= ~InfoShow;
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}
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}
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