added to aas3

ass3/simulator_SIC_XE/gui/qt/MachineController.h

@@ -0,0 +1,34 @@
+#ifndef MACHINECONTROLLER_H
+#define MACHINECONTROLLER_H
+
+#include <QObject>
+#include <atomic>
+#include <thread>
+#include <memory>
+
+class Machine;
+
+class MachineController : public QObject {
+    Q_OBJECT
+public:
+    explicit MachineController(std::shared_ptr<Machine> machine = nullptr, QObject *parent = nullptr);
+    ~MachineController() override;
+
+    void start();
+    void stop();
+    void step();
+
+signals:
+    void tick();
+    void error(const QString &msg);
+
+private:
+    void runLoop();
+    std::atomic<bool> m_running{false};
+    std::thread m_thread;
+    std::shared_ptr<Machine> m_machine;
+    std::atomic<int> m_ticksSinceLastUpdate{0};
+    std::chrono::steady_clock::time_point m_lastUpdateTime;
+};
+
+#endif // MACHINECONTROLLER_H