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#include "client_manager.hh"
#include "buffer_manager.hh"
#include "command_manager.hh"
#include "containers.hh"
#include "event_manager.hh"
#include "face_registry.hh"
#include "file.hh"
#include "user_interface.hh"
#include "window.hh"
namespace Kakoune
{
ClientManager::ClientManager() = default;
ClientManager::~ClientManager() = default;
String ClientManager::generate_name() const
{
for (int i = 0; true; ++i)
{
String name = format("unnamed{}", i);
if (validate_client_name(name))
return name;
}
}
Client* ClientManager::create_client(std::unique_ptr<UserInterface>&& ui,
EnvVarMap env_vars,
StringView init_commands)
{
Buffer& buffer = **BufferManager::instance().begin();
WindowAndSelections ws = get_free_window(buffer);
Client* client = new Client{std::move(ui), std::move(ws.window),
std::move(ws.selections), std::move(env_vars),
generate_name()};
m_clients.emplace_back(client);
try
{
CommandManager::instance().execute(init_commands, client->context());
}
catch (Kakoune::runtime_error& error)
{
client->context().print_status({ error.what().str(), get_face("Error") });
client->context().hooks().run_hook("RuntimeError", error.what(),
client->context());
}
catch (Kakoune::client_removed&)
{
m_clients.pop_back();
return nullptr;
}
client->ui().set_input_callback([client](EventMode mode) {
client->handle_available_input(mode);
});
return client;
}
void ClientManager::handle_pending_inputs() const
{
for (auto& client : m_clients)
client->handle_available_input(EventMode::Pending);
}
void ClientManager::remove_client(Client& client)
{
for (auto it = m_clients.begin(); it != m_clients.end(); ++it)
{
if (it->get() == &client)
{
m_clients.erase(it);
return;
}
}
kak_assert(false);
}
WindowAndSelections ClientManager::get_free_window(Buffer& buffer)
{
auto it = find_if(reversed(m_free_windows),
[&](const WindowAndSelections& ws)
{ return &ws.window->buffer() == &buffer; });
if (it == m_free_windows.rend())
return { make_unique<Window>(buffer), { buffer, Selection{} } };
it->window->force_redraw();
WindowAndSelections res = std::move(*it);
m_free_windows.erase(it.base()-1);
res.selections.update();
return res;
}
void ClientManager::add_free_window(std::unique_ptr<Window>&& window, SelectionList selections)
{
window->clear_display_buffer();
Buffer& buffer = window->buffer();
m_free_windows.push_back({ std::move(window), SelectionList{ std::move(selections) }, buffer.timestamp() });
}
void ClientManager::ensure_no_client_uses_buffer(Buffer& buffer)
{
for (auto& client : m_clients)
{
client->context().forget_jumps_to_buffer(buffer);
if (&client->context().buffer() != &buffer)
continue;
if (client->context().is_editing())
throw runtime_error(format("client '{}' is inserting in buffer '{}'",
client->context().name(),
buffer.display_name()));
// change client context to edit the first buffer which is not the
// specified one. As BufferManager stores buffer according to last
// access, this selects a sensible buffer to display.
for (auto& buf : BufferManager::instance())
{
if (buf.get() != &buffer)
{
client->context().change_buffer(*buf);
break;
}
}
}
auto end = std::remove_if(m_free_windows.begin(), m_free_windows.end(),
[&buffer](const WindowAndSelections& ws)
{ return &ws.window->buffer() == &buffer; });
m_free_windows.erase(end, m_free_windows.end());
}
bool ClientManager::validate_client_name(StringView name) const
{
return const_cast<ClientManager*>(this)->get_client_ifp(name) == nullptr;
}
Client* ClientManager::get_client_ifp(StringView name)
{
for (auto& client : m_clients)
{
if (client->context().name() == name)
return client.get();
}
return nullptr;
}
Client& ClientManager::get_client(StringView name)
{
if (Client* client = get_client_ifp(name))
return *client;
throw runtime_error(format("no client named '{}'", name));
}
void ClientManager::redraw_clients() const
{
for (auto& client : m_clients)
client->redraw_ifn();
}
CandidateList ClientManager::complete_client_name(StringView prefix,
ByteCount cursor_pos) const
{
auto c = transformed(m_clients, [](const std::unique_ptr<Client>& c){ return c->context().name(); });
return complete(prefix, cursor_pos, c, prefix_match, subsequence_match);
}
}
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