OMSimUIinterface.hh

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#pragma once
 
#include "OMSimCommandArgsTable.hh"
#include <G4UImanager.hh>
 
class OMSimUIinterface
{
public:
    // Public static access for the singleton instance
    static OMSimUIinterface &getInstance()
    {
        static OMSimUIinterface instance;
        return instance;
    }
    static void init();
    static void shutdown();
    template <typename... Args>
    void applyCommand(const std::string &p_command, const Args &...p_args)
    {
        std::stringstream stream;
        stream << p_command;
        appendToStream(stream, p_args...);
        log_trace(stream.str().c_str());
        m_uiManager->ApplyCommand(stream.str());
    }
 
    void setUI(G4UImanager *p_ui);
    void runBeamOn(G4int p_numberOfEvents = -1);
 
private:
    G4UImanager *m_uiManager;
 
    OMSimUIinterface() = default;
    ~OMSimUIinterface() = default;
    OMSimUIinterface(const OMSimUIinterface &) = delete;            // disable copying
    OMSimUIinterface &operator=(const OMSimUIinterface &) = delete; // disable assignment
 
    void appendToStream(std::stringstream &p_stream)
    {
        // if no additional arguments, do nothing
    }
 
    template <typename T>
    void appendToStream(std::stringstream &p_stream, const T &p_val)
    {
        p_stream << ' ' << p_val;
    }
 
    template <typename T, typename... Args>
    void appendToStream(std::stringstream &p_stream, const T &p_val, const Args &...p_args)
    {
        p_stream << ' ' << p_val;
        appendToStream(p_stream, p_args...);
    }
};
 
inline OMSimUIinterface *g_OMSimUIinterface = nullptr;