128 lines
3.8 KiB
C++
128 lines
3.8 KiB
C++
#include <QApplication>
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#include <QByteArray>
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#include <QCoreApplication>
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#include <QIcon>
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#include <QIODevice>
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#include <QLocalServer>
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#include <QLocalSocket>
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#include <QObject>
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#include <QString>
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#include "src/config/ConfigManager.h"
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#include "src/tray/TrayController.h"
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#include "src/ui/PetWindow.h"
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#include "src/util/Logger.h"
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#include "src/util/ResourcePaths.h"
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namespace
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{
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const QString SingleInstanceServerName = QStringLiteral("Make.QtDesktopPet.SingleInstance");
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const QByteArray ActivateMessage("activate\n");
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constexpr int SingleInstanceConnectTimeoutMs = 500;
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constexpr int SingleInstanceWriteTimeoutMs = 500;
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bool notifyRunningInstance()
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{
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QLocalSocket socket;
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socket.connectToServer(SingleInstanceServerName, QIODevice::WriteOnly);
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if (!socket.waitForConnected(SingleInstanceConnectTimeoutMs))
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{
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return false;
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}
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socket.write(ActivateMessage);
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socket.flush();
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socket.waitForBytesWritten(SingleInstanceWriteTimeoutMs);
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socket.disconnectFromServer();
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return true;
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}
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}
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int main(int argc, char *argv[])
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{
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QApplication app(argc, argv);
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QApplication::setApplicationName("QtDesktopPet");
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QApplication::setOrganizationName("QtDesktopPet");
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if (notifyRunningInstance())
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{
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return 0;
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}
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const QIcon appIcon(ResourcePaths::appIconPath());
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if (!appIcon.isNull())
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{
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QApplication::setWindowIcon(appIcon);
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}
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Logger::info(QStringLiteral("Application started."));
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QLocalServer singleInstanceServer;
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QLocalServer::removeServer(SingleInstanceServerName);
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if (!singleInstanceServer.listen(SingleInstanceServerName))
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{
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if (notifyRunningInstance())
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{
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return 0;
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}
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Logger::warning(QStringLiteral("Unable to start single instance server: ")
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+ singleInstanceServer.errorString());
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}
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ConfigManager configManager;
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PetWindow window;
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window.applyAppConfig(configManager.loadAppConfig());
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TrayController trayController(&window);
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window.setSettingsFallbackInContextMenuEnabled(!trayController.isAvailable());
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window.setTrayNotificationCallback([&trayController](const QString &title, const QString &message) {
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trayController.showNotification(title, message);
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});
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trayController.show();
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QObject::connect(&singleInstanceServer, &QLocalServer::newConnection, [&singleInstanceServer, &window]() {
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while (singleInstanceServer.hasPendingConnections())
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{
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QLocalSocket *socket = singleInstanceServer.nextPendingConnection();
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if (socket == nullptr)
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{
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continue;
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}
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const auto handleActivationMessage = [socket, &window]() {
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const QByteArray message = socket->readAll().trimmed();
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if (message == ActivateMessage.trimmed())
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{
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window.activateFromExternalInstance();
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}
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};
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QObject::connect(socket, &QLocalSocket::readyRead, handleActivationMessage);
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QObject::connect(socket, &QLocalSocket::disconnected, [socket, handleActivationMessage]() {
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if (socket->bytesAvailable() > 0)
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{
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handleActivationMessage();
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}
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socket->deleteLater();
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});
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if (socket->bytesAvailable() > 0)
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{
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handleActivationMessage();
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}
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}
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});
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QObject::connect(&app, &QCoreApplication::aboutToQuit, [&configManager, &window]() {
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if (!configManager.saveAppConfig(window.currentAppConfig()))
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{
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Logger::warning(QStringLiteral("Failed to save app config."));
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}
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Logger::info(QStringLiteral("Application is exiting."));
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});
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window.show();
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return app.exec();
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}
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