Host.h

// -----------------------------------------------------------------------------
// This file is part of VirtualC64
//
// Copyright (C) Dirk W. Hoffmann. www.dirkwhoffmann.de
// This FILE is dual-licensed. You are free to choose between:
//
//     - The GNU General Public License v3 (or any later version)
//     - The Mozilla Public License v2
//
// SPDX-License-Identifier: GPL-3.0-or-later OR MPL-2.0
// -----------------------------------------------------------------------------
 
#pragma once
 
#include "CoreComponent.h"
#include "IOUtils.h"
 
typedef struct
{
    // Refresh rate of the host display
    isize refreshRate;
 
    // Audio sample rate of the host computer
    isize sampleRate;
 
    // Framebuffer dimensions
    isize frameBufferWidth;
    isize frameBufferHeight;
}
HostConfig;
 
namespace vc64 {
 
/* This class stores some information about the host system. The values have
 * are set by the GUI on start and updated on-the-fly when a value changes.
 */
class Host final : public CoreComponent {
 
    Descriptions descriptions = {{
 
        .name           = "Host",
        .description    = "Host Computer"
    }};
 
    ConfigOptions options = {
 
        OPT_HOST_REFRESH_RATE,
        OPT_HOST_SAMPLE_RATE,
        OPT_HOST_FRAMEBUF_WIDTH,
        OPT_HOST_FRAMEBUF_HEIGHT
    };
    
    // Current configuration
    HostConfig config = { };
 
 
    //
    // Methods
    //
 
public:
 
    using CoreComponent::CoreComponent;
 
    Host& operator= (const Host& other) {
 
        CLONE(config)
        return *this;
    }
 
 
    //
    // Methods from Serializable
    //
 
public:
 
    template <class T> void serialize(T& worker) { } SERIALIZERS(serialize);
 
 
    //
    // Methods from CoreComponent
    //
 
public:
 
    const Descriptions &getDescriptions() const override { return descriptions; }
 
private:
 
    void _dump(Category category, std::ostream& os) const override;
 
 
    //
    // Configuring
    //
 
public:
 
    const HostConfig &getConfig() const { return config; }
    const ConfigOptions &getOptions() const override { return options; }
    i64 getOption(Option opt) const override;
    void checkOption(Option opt, i64 value) override;
    void setOption(Option opt, i64 value) override;
 
 
    //
    // Working with temporary files and folders
    //
 
public:
    
    // Returns a path to a temporary folder
    fs::path tmp() const throws;
 
    // Assembles a path to a temporary file
    fs::path tmp(const string &name, bool unique = false) const throws;
};
 
}