159 lines
4.5 KiB
C++
159 lines
4.5 KiB
C++
#include "client_manager.hh"
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#include "buffer_manager.hh"
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#include "color_registry.hh"
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#include "command_manager.hh"
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#include "event_manager.hh"
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#include "file.hh"
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#include "user_interface.hh"
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#include "window.hh"
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namespace Kakoune
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{
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ClientManager::ClientManager() = default;
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ClientManager::~ClientManager() = default;
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String ClientManager::generate_name() const
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{
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for (int i = 0; true; ++i)
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{
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String name = "unnamed" + to_string(i);
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if (validate_client_name(name))
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return name;
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}
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}
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Client* ClientManager::create_client(std::unique_ptr<UserInterface>&& ui,
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const String& init_commands)
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{
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Buffer& buffer = **BufferManager::instance().begin();
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Client* client = new Client{std::move(ui), get_unused_window_for_buffer(buffer),
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generate_name()};
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m_clients.emplace_back(client);
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try
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{
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CommandManager::instance().execute(init_commands, client->context());
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}
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catch (Kakoune::runtime_error& error)
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{
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client->context().print_status({ error.what(), get_color("Error") });
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client->context().hooks().run_hook("RuntimeError", error.what(),
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client->context());
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}
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catch (Kakoune::client_removed&)
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{
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m_clients.pop_back();
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return nullptr;
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}
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client->ui().set_input_callback([client, this]() {
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try
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{
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client->handle_available_input();
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}
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catch (Kakoune::runtime_error& error)
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{
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client->context().print_status({ error.what(), get_color("Error") });
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client->context().hooks().run_hook("RuntimeError", error.what(),
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client->context());
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}
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catch (Kakoune::client_removed&)
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{
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ClientManager::instance().remove_client(*client);
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}
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});
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return client;
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}
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void ClientManager::remove_client(Client& client)
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{
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for (auto it = m_clients.begin(); it != m_clients.end(); ++it)
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{
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if (it->get() == &client)
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{
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m_clients.erase(it);
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return;
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}
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}
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kak_assert(false);
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}
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Window& ClientManager::get_unused_window_for_buffer(Buffer& buffer)
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{
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for (auto& w : m_windows)
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{
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if (&w->buffer() != &buffer)
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continue;
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auto it = std::find_if(m_clients.begin(), m_clients.end(),
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[&](const std::unique_ptr<Client>& client)
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{ return &client->context().window() == w.get(); });
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if (it == m_clients.end())
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{
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w->forget_timestamp();
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return *w;
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}
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}
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m_windows.emplace_back(new Window(buffer));
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return *m_windows.back();
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}
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void ClientManager::ensure_no_client_uses_buffer(Buffer& buffer)
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{
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for (auto& client : m_clients)
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{
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client->context().forget_jumps_to_buffer(buffer);
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if (&client->context().buffer() != &buffer)
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continue;
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if (client->context().editor().is_editing())
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throw runtime_error("client '" + client->context().name() + "' is inserting in '" +
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buffer.display_name() + '\'');
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// change client context to edit the first buffer which is not the
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// specified one. As BufferManager stores buffer according to last
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// access, this selects a sensible buffer to display.
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for (auto& buf : BufferManager::instance())
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{
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if (buf != &buffer)
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{
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Window& w = get_unused_window_for_buffer(*buf);
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client->context().change_editor(w);
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break;
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}
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}
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}
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auto end = std::remove_if(m_windows.begin(), m_windows.end(),
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[&buffer](const std::unique_ptr<Window>& w)
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{ return &w->buffer() == &buffer; });
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m_windows.erase(end, m_windows.end());
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}
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bool ClientManager::validate_client_name(const String& name) const
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{
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auto it = find_if(m_clients, [&](const std::unique_ptr<Client>& client)
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{ return client->context().name() == name; });
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return it == m_clients.end();
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}
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Client& ClientManager::get_client(const String& name)
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{
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for (auto& client : m_clients)
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{
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if (client->context().name() == name)
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return *client;
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}
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throw runtime_error("no client named: " + name);
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}
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void ClientManager::redraw_clients() const
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{
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for (auto& client : m_clients)
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client->redraw_ifn();
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}
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}
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