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#include "hyprextras.hpp"
#include <qdir.h>
#include <qjsonarray.h>
#include <qlocalsocket.h>
#include <qvariant.h>
namespace caelestia::internal::hypr {
HyprExtras::HyprExtras(QObject* parent)
: QObject(parent)
, m_requestSocket("")
, m_eventSocket("")
, m_socket(nullptr)
, m_devices(new HyprDevices(this)) {
const auto his = qEnvironmentVariable("HYPRLAND_INSTANCE_SIGNATURE");
if (his.isEmpty()) {
qWarning()
<< "HyprExtras::HyprExtras: $HYPRLAND_INSTANCE_SIGNATURE is unset. Unable to connect to Hyprland socket.";
return;
}
auto hyprDir = QString("%1/hypr/%2").arg(qEnvironmentVariable("XDG_RUNTIME_DIR"), his);
if (!QDir(hyprDir).exists()) {
hyprDir = "/tmp/hypr/" + his;
if (!QDir(hyprDir).exists()) {
qWarning() << "HyprExtras::HyprExtras: Hyprland socket directory does not exist. Unable to connect to "
"Hyprland socket.";
return;
}
}
m_requestSocket = hyprDir + "/.socket.sock";
m_eventSocket = hyprDir + "/.event.sock";
refreshOptions();
refreshDevices();
m_socket = new QLocalSocket(this);
QObject::connect(m_socket, &QLocalSocket::readyRead, this, &HyprExtras::readEvent);
m_socket->connectToServer(m_eventSocket);
}
QVariantHash HyprExtras::options() const {
return m_options;
}
HyprDevices* HyprExtras::devices() const {
return m_devices;
}
void HyprExtras::message(const QString& message) {
makeRequest(message, [](bool, const QByteArray&) {
});
}
void HyprExtras::refreshOptions() {
if (!m_optionsRefresh.isNull()) {
m_optionsRefresh->close();
}
m_optionsRefresh = makeRequestJson("descriptions", [this](bool success, const QJsonDocument& response) {
m_optionsRefresh.reset();
if (!success) {
return;
}
const auto options = response.array();
bool dirty = false;
for (const auto& o : std::as_const(options)) {
const auto obj = o.toObject();
const auto key = obj.value("value").toString();
const auto value = obj.value("data").toObject().value("current").toVariant();
if (m_options.value(key) != value) {
dirty = true;
m_options.insert(key, value);
}
}
if (dirty) {
emit optionsChanged();
}
});
}
void HyprExtras::refreshDevices() {
if (!m_devicesRefresh.isNull()) {
m_devicesRefresh->close();
}
m_devicesRefresh = makeRequestJson("devices", [this](bool success, const QJsonDocument& response) {
m_devicesRefresh.reset();
if (success) {
m_devices->updateLastIpcObject(response.object());
}
});
}
void HyprExtras::readEvent() {
while (true) {
auto rawEvent = m_socket->readLine();
if (rawEvent.isEmpty()) {
break;
}
rawEvent.truncate(rawEvent.length() - 1); // Remove trailing \n
const auto event = QByteArrayView(rawEvent.data(), rawEvent.indexOf(">>"));
handleEvent(QString::fromUtf8(event));
}
}
void HyprExtras::handleEvent(const QString& event) {
if (event == "configreloaded") {
refreshOptions();
} else if (event == "activelayout") {
refreshDevices();
}
}
HyprExtras::SocketPtr HyprExtras::makeRequestJson(
const QString& request, const std::function<void(bool, QJsonDocument)>& callback) {
return makeRequest("j/" + request, [callback](bool success, const QByteArray& response) {
callback(success, QJsonDocument::fromJson(response));
});
}
HyprExtras::SocketPtr HyprExtras::makeRequest(
const QString& request, const std::function<void(bool, QByteArray)>& callback) {
if (m_requestSocket.isEmpty()) {
return SocketPtr();
}
auto socket = SocketPtr::create(this);
QObject::connect(socket.data(), &QLocalSocket::connected, this, [=, this]() {
QObject::connect(socket.data(), &QLocalSocket::readyRead, this, [socket, callback]() {
const auto response = socket->readAll();
callback(true, std::move(response));
socket->close();
});
socket->write(request.toUtf8());
socket->flush();
});
QObject::connect(socket.data(), &QLocalSocket::errorOccurred, this, [=](QLocalSocket::LocalSocketError err) {
qWarning() << "HyprExtras::makeRequest: error making request:" << err << "| request:" << request;
callback(false, {});
socket->close();
});
socket->connectToServer(m_requestSocket);
return socket;
}
} // namespace caelestia::internal::hypr
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