//  SPDX-License-Identifier: MIT
//
//  EmulationStation Desktop Edition
//  GuiMenu.cpp
//
//  Main menu.
//  Some submenus are covered in separate source files.
//

#include "guis/GuiMenu.h"

#include "components/OptionListComponent.h"
#include "components/SliderComponent.h"
#include "components/SwitchComponent.h"
#include "guis/GuiCollectionSystemsOptions.h"
#include "guis/GuiComplexTextEditPopup.h"
#include "guis/GuiDetectDevice.h"
#include "guis/GuiMediaViewerOptions.h"
#include "guis/GuiMsgBox.h"
#include "guis/GuiScraperMenu.h"
#include "guis/GuiScreensaverOptions.h"
#include "guis/GuiSettings.h"
#include "views/gamelist/IGameListView.h"
#include "views/UIModeController.h"
#include "views/ViewController.h"
#include "CollectionSystemsManager.h"
#include "EmulationStation.h"
#include "FileFilterIndex.h"
#include "FileSorts.h"
#include "Platform.h"
#include "Scripting.h"
#include "SystemData.h"
#include "VolumeControl.h"

#include <algorithm>
#include <SDL2/SDL_events.h>

GuiMenu::GuiMenu(Window* window) : GuiComponent(window),
        mMenu(window, "MAIN MENU"), mVersion(window)
{
    bool isFullUI = UIModeController::getInstance()->isUIModeFull();

    if (isFullUI)
        addEntry("SCRAPER", 0x777777FF, true, [this] { openScraperOptions(); });

    if (isFullUI)
        addEntry("UI SETTINGS", 0x777777FF, true, [this] { openUIOptions(); });

    addEntry("SOUND SETTINGS", 0x777777FF, true, [this] { openSoundOptions(); });

    if (isFullUI)
        addEntry("INPUT DEVICE SETTINGS", 0x777777FF, true, [this] {
                openInputDeviceOptions(); });

    if (isFullUI)
        addEntry("GAME COLLECTION SETTINGS", 0x777777FF, true, [this] {
                openCollectionSystemOptions(); });

    if (isFullUI)
        addEntry("OTHER SETTINGS", 0x777777FF, true, [this] { openOtherOptions(); });

    if (isFullUI)
        addEntry("UTILITIES", 0x777777FF, true, [this] {
                openUtilitiesMenu(); });

    if (!Settings::getInstance()->getBool("ForceKiosk") &&
            Settings::getInstance()->getString("UIMode") != "kiosk") {
        if (Settings::getInstance()->getBool("ShowQuitMenu"))
            addEntry("QUIT", 0x777777FF, true, [this] {openQuitMenu(); });
        else
            addEntry("QUIT EMULATIONSTATION", 0x777777FF, false, [this] {openQuitMenu(); });
    }

    addChild(&mMenu);
    addVersionInfo();
    setSize(mMenu.getSize());
    setPosition((Renderer::getScreenWidth() - mSize.x()) / 2.0f,
            Renderer::getScreenHeight() * 0.13f);
}

GuiMenu::~GuiMenu()
{
    // This is required for the situation where scrolling started just before the menu
    // was openened. Without this, the scrolling would run until manually stopped after
    // the menu has been closed.
    ViewController::get()->stopScrolling();
}

void GuiMenu::openScraperOptions()
{
    mWindow->pushGui(new GuiScraperMenu(mWindow, "SCRAPER"));
}

void GuiMenu::openUIOptions()
{
    auto s = new GuiSettings(mWindow, "UI SETTINGS");

    // Optionally start in selected system/gamelist.
    auto startup_system = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "GAMELIST ON STARTUP", false);
    startup_system->add("NONE", "", Settings::getInstance()->getString("StartupSystem") == "");
    float dotsSize = Font::get(FONT_SIZE_MEDIUM)->sizeText("...").x();
    for (auto it = SystemData::sSystemVector.cbegin();
            it != SystemData::sSystemVector.cend(); it++) {
        if ((*it)->getName() != "retropie") {
            // If required, abbreviate the system name so it doesn't overlap the setting name.
            std::string abbreviatedString = Font::get(FONT_SIZE_MEDIUM)->
                    getTextMaxWidth((*it)->getFullName(), mSize.x() * 0.47f);
            float sizeDifference = Font::get(FONT_SIZE_MEDIUM)->sizeText((*it)->getFullName()).x() -
                     Font::get(FONT_SIZE_MEDIUM)->sizeText(abbreviatedString).x();
            if (sizeDifference > 0) {
                // It doesn't make sense to abbreviate if the number of pixels removed by
                // the abbreviation is less or equal to the size of the three dots that
                // would be appended to the string.
                if (sizeDifference <= dotsSize) {
                    abbreviatedString = (*it)->getFullName();
                }
                else {
                    if (abbreviatedString.back() == ' ')
                        abbreviatedString.pop_back();
                    abbreviatedString += "...";
                }
            }
            startup_system->add(abbreviatedString, (*it)->getName(),
                    Settings::getInstance()->getString("StartupSystem") == (*it)->getName());
        }
    }
    s->addWithLabel("GAMELIST ON STARTUP", startup_system);
    s->addSaveFunc([startup_system, s] {
        if (startup_system->getSelected() != Settings::getInstance()->getString("StartupSystem")) {
            Settings::getInstance()->setString("StartupSystem", startup_system->getSelected());
            s->setNeedsSaving();
        }
    });

    // GameList view style.
    auto gamelist_view_style = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "GAMELIST VIEW STYLE", false);
    std::string selectedViewStyle = Settings::getInstance()->getString("GamelistViewStyle");
    gamelist_view_style->add("automatic", "automatic", selectedViewStyle == "automatic");
    gamelist_view_style->add("basic", "basic", selectedViewStyle == "basic");
    gamelist_view_style->add("detailed", "detailed", selectedViewStyle == "detailed");
    gamelist_view_style->add("video", "video", selectedViewStyle == "video");
    gamelist_view_style->add("grid (experimental)", "grid", selectedViewStyle == "grid");
    // If there are no objects returned, then there must be a manually modified entry in the
    // configuration file. Simply set the view style to Automatic in this case.
    if (gamelist_view_style->getSelectedObjects().size() == 0)
        gamelist_view_style->selectEntry(0);
    s->addWithLabel("GAMELIST VIEW STYLE", gamelist_view_style);
    s->addSaveFunc([gamelist_view_style, s] {
        if (gamelist_view_style->getSelected() !=
                Settings::getInstance()->getString("GamelistViewStyle")) {
            Settings::getInstance()->setString("GamelistViewStyle",
                    gamelist_view_style->getSelected());
            s->setNeedsSaving();
            s->setNeedsReloading();
            s->setInvalidateCachedBackground();
        }
    });

    // Transition style.
    auto transition_style = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "TRANSITION STYLE", false);
    std::vector<std::string> transitions;
    transitions.push_back("slide");
    transitions.push_back("fade");
    transitions.push_back("instant");
    for (auto it = transitions.cbegin(); it != transitions.cend(); it++)
        transition_style->add(*it, *it, Settings::getInstance()->
                getString("TransitionStyle") == *it);
    s->addWithLabel("TRANSITION STYLE", transition_style);
    s->addSaveFunc([transition_style, s] {
        if (transition_style->getSelected() !=
                Settings::getInstance()->getString("TransitionStyle")) {
            Settings::getInstance()->setString("TransitionStyle", transition_style->getSelected());
            s->setNeedsSaving();
        }
    });

    // Theme selection.
    auto themeSets = ThemeData::getThemeSets();
    if (!themeSets.empty()) {
        std::map<std::string, ThemeSet>::const_iterator selectedSet =
                themeSets.find(Settings::getInstance()->getString("ThemeSet"));
        if (selectedSet == themeSets.cend())
            selectedSet = themeSets.cbegin();
        auto theme_set = std::make_shared<OptionListComponent<std::string>>
                (mWindow, getHelpStyle(), "THEME SET", false);
        for (auto it = themeSets.cbegin(); it != themeSets.cend(); it++)
            theme_set->add(it->first, it->first, it == selectedSet);
        s->addWithLabel("THEME SET", theme_set);
        s->addSaveFunc([this, theme_set, s] {
            if (theme_set->getSelected() != Settings::getInstance()->getString("ThemeSet")) {
                Scripting::fireEvent("theme-changed", theme_set->getSelected(),
                        Settings::getInstance()->getString("ThemeSet"));
                Settings::getInstance()->setString("ThemeSet", theme_set->getSelected());
                CollectionSystemsManager::get()->updateSystemsList();
                mWindow->setChangedThemeSet();
                // This is required so that the custom collection system does not disappear
                // if the user is editing a custom collection when switching theme sets.
                if (CollectionSystemsManager::get()->isEditing()) {
                    CollectionSystemsManager::get()->exitEditMode();
                    s->setNeedsCollectionsUpdate();
                }
                s->setNeedsSaving();
                s->setNeedsReloading();
                s->setNeedsGoToStart();
                s->setInvalidateCachedBackground();
            }
        });
    }

    // UI mode.
    auto ui_mode = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "UI MODE", false);
    std::vector<std::string> uiModes;
    uiModes.push_back("full");
    uiModes.push_back("kiosk");
    uiModes.push_back("kid");
    std::string setMode;
    if (Settings::getInstance()->getBool("ForceKiosk"))
        setMode = "kiosk";
    else if (Settings::getInstance()->getBool("ForceKid"))
        setMode = "kid";
    else
        setMode = Settings::getInstance()->getString("UIMode");
    for (auto it = uiModes.cbegin(); it != uiModes.cend(); it++)
        ui_mode->add(*it, *it, setMode == *it);
    s->addWithLabel("UI MODE", ui_mode);
    s->addSaveFunc([ui_mode, this, s] {
        std::string selectedMode = ui_mode->getSelected();
        // If any of the force flags are set, then always apply and save the setting.
        if (selectedMode == Settings::getInstance()->getString("UIMode") &&
                !Settings::getInstance()->getBool("ForceFull") &&
                !Settings::getInstance()->getBool("ForceKiosk") &&
                !Settings::getInstance()->getBool("ForceKid")) {
            return;
        }
        else if (selectedMode != "full") {
            std::string msg = "YOU ARE CHANGING THE UI TO THE RESTRICTED MODE\n'" +
                    Utils::String::toUpper(selectedMode) + "'\n";
            if (selectedMode == "kiosk") {
                msg += "THIS WILL HIDE MOST MENU OPTIONS TO PREVENT\n";
                msg += "CHANGES TO THE SYSTEM\n";
            }
            else {
                msg += "THIS WILL LIMIT THE AVAILABLE GAMES TO THE ONES\n";
                msg += "FLAGGED SUITABLE FOR CHILDREN\n";
            }
            msg += "TO UNLOCK AND RETURN TO THE FULL UI, ENTER THIS CODE: \n";
            msg += UIModeController::getInstance()->getFormattedPassKeyStr() + "\n\n";
            msg += "DO YOU WANT TO PROCEED?";
            mWindow->pushGui(new GuiMsgBox(mWindow, this->getHelpStyle(), msg,
                    "YES", [this, selectedMode] {
                LOG(LogDebug) << "GuiMenu::openUISettings(): Setting UI mode to '"
                    << selectedMode << "'.";
                Settings::getInstance()->setString("UIMode", selectedMode);
                Settings::getInstance()->setBool("ForceFull", false);
                Settings::getInstance()->setBool("ForceKiosk", false);
                Settings::getInstance()->setBool("ForceKid", false);
                Settings::getInstance()->saveFile();
                UIModeController::getInstance()->setCurrentUIMode(selectedMode);
                for (auto it = SystemData::sSystemVector.cbegin();
                        it != SystemData::sSystemVector.cend(); it++) {
                    if ((*it)->getThemeFolder() == "custom-collections") {
                        for (FileData* customSystem :
                                (*it)->getRootFolder()->getChildrenListToDisplay())
                            customSystem->getSystem()->getIndex()->resetFilters();
                    }
                    (*it)->sortSystem();
                    (*it)->getIndex()->resetFilters();
                }
                ViewController::get()->reloadAll();
                ViewController::get()->goToSystem(SystemData::sSystemVector.front(), false);
                mWindow->invalidateCachedBackground();
            }, "NO", nullptr));
        }
        else {
            LOG(LogDebug) << "GuiMenu::openUISettings(): Setting UI mode to '" <<
                    selectedMode << "'.";
            Settings::getInstance()->setString("UIMode", ui_mode->getSelected());
            Settings::getInstance()->setBool("ForceFull", false);
            Settings::getInstance()->setBool("ForceKiosk", false);
            Settings::getInstance()->setBool("ForceKid", false);
            UIModeController::getInstance()->setCurrentUIMode("full");
            s->setNeedsSaving();
            s->setNeedsSorting();
            s->setNeedsSortingCollections();
            s->setNeedsResetFilters();
            s->setNeedsReloading();
            s->setNeedsGoToSystem(SystemData::sSystemVector.front());
            s->setInvalidateCachedBackground();
        }
    });

    // Default gamelist sort order.
    typedef OptionListComponent<const FileData::SortType*> SortList;
    std::string sortOrder;
    auto default_sort_order = std::make_shared<SortList>
            (mWindow, getHelpStyle(), "DEFAULT SORT ORDER", false);
    // Exclude the System sort options.
    unsigned int numSortTypes = static_cast<unsigned int>(FileSorts::SortTypes.size() - 2);
    for (unsigned int i = 0; i < numSortTypes; i++) {
        if (FileSorts::SortTypes[i].description ==
                Settings::getInstance()->getString("DefaultSortOrder")) {
            sortOrder = FileSorts::SortTypes[i].description;
            break;
        }
    }
    // If an invalid sort order was defined in es_settings.cfg, then apply the default
    // sort order 'filename, ascending'.
    if (sortOrder == "")
        sortOrder = Settings::getInstance()->getDefaultString("DefaultSortOrder");
    for (unsigned int i = 0; i < numSortTypes; i++) {
        const FileData::SortType& sort = FileSorts::SortTypes[i];
        if (sort.description == sortOrder)
            default_sort_order->add(sort.description, &sort, true);
        else
            default_sort_order->add(sort.description, &sort, false);
    }
    s->addWithLabel("DEFAULT SORT ORDER", default_sort_order);
    s->addSaveFunc([default_sort_order, sortOrder, s] {
        std::string selectedSortOrder = default_sort_order.get()->getSelected()->description;
        if (selectedSortOrder != sortOrder) {
            Settings::getInstance()->setString("DefaultSortOrder", selectedSortOrder);
            s->setNeedsSaving();
            s->setNeedsSorting();
            s->setNeedsSortingCollections();
            s->setInvalidateCachedBackground();
        }
    });

    #if defined(USE_OPENGL_21)
    // Open menu effect.
    auto menu_opening_effect = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "MENU OPENING EFFECT", false);
    std::vector<std::string> menu_effects;
    menu_effects.push_back("scale-up");
    menu_effects.push_back("fade-in");
    menu_effects.push_back("none");
    for (auto it = menu_effects.cbegin(); it != menu_effects.cend(); it++)
        menu_opening_effect->add(*it, *it, Settings::getInstance()->
                getString("MenuOpeningEffect") == *it);
    s->addWithLabel("MENU OPENING EFFECT", menu_opening_effect);
    s->addSaveFunc([menu_opening_effect, s] {
        if (menu_opening_effect->getSelected() !=
                Settings::getInstance()->getString("MenuOpeningEffect")) {
            Settings::getInstance()->setString("MenuOpeningEffect",
                    menu_opening_effect->getSelected());
            s->setNeedsSaving();
        }
    });

    // Blur background when the menu is open.
    auto menu_blur_background = std::make_shared<SwitchComponent>(mWindow);
    menu_blur_background->setState(Settings::getInstance()->getBool("MenuBlurBackground"));
    s->addWithLabel("BLUR BACKGROUND WHEN MENU IS OPEN", menu_blur_background);
    s->addSaveFunc([menu_blur_background, s] {
        if (menu_blur_background->getState() !=
                Settings::getInstance()->getBool("MenuBlurBackground")) {
            Settings::getInstance()->setBool("MenuBlurBackground",
                    menu_blur_background->getState());
            s->setNeedsSaving();
            s->setInvalidateCachedBackground();
        }
    });
    #endif

    // Display pillarboxes (and letterboxes) for videos in the gamelists.
    auto gamelist_video_pillarbox = std::make_shared<SwitchComponent>(mWindow);
    gamelist_video_pillarbox->setState(Settings::getInstance()->getBool("GamelistVideoPillarbox"));
    s->addWithLabel("DISPLAY PILLARBOXES FOR GAMELIST VIDEOS", gamelist_video_pillarbox);
    s->addSaveFunc([gamelist_video_pillarbox, s] {
        if (gamelist_video_pillarbox->getState() !=
                Settings::getInstance()->getBool("GamelistVideoPillarbox")) {
            Settings::getInstance()->setBool("GamelistVideoPillarbox",
                    gamelist_video_pillarbox->getState());
            s->setNeedsSaving();
        }
    });

    #if defined(USE_OPENGL_21)
    // Render scanlines for videos in the gamelists.
    auto gamelist_video_scanlines = std::make_shared<SwitchComponent>(mWindow);
    gamelist_video_scanlines->setState(Settings::getInstance()->getBool("GamelistVideoScanlines"));
    s->addWithLabel("RENDER SCANLINES FOR GAMELIST VIDEOS", gamelist_video_scanlines);
    s->addSaveFunc([gamelist_video_scanlines, s] {
        if (gamelist_video_scanlines->getState() !=
                Settings::getInstance()->getBool("GamelistVideoScanlines")) {
            Settings::getInstance()->setBool("GamelistVideoScanlines",
                    gamelist_video_scanlines->getState());
            s->setNeedsSaving();
        }
    });
    #endif

    // Sort folders on top of the gamelists.
    auto folders_on_top = std::make_shared<SwitchComponent>(mWindow);
    folders_on_top->setState(Settings::getInstance()->getBool("FoldersOnTop"));
    s->addWithLabel("SORT FOLDERS ON TOP OF GAMELISTS", folders_on_top);
    s->addSaveFunc([folders_on_top, s] {
        if (folders_on_top->getState() !=
                Settings::getInstance()->getBool("FoldersOnTop")) {
            Settings::getInstance()->setBool("FoldersOnTop", folders_on_top->getState());
            s->setNeedsSaving();
            s->setNeedsSorting();
            s->setInvalidateCachedBackground();
        }
    });

    // Sort favorites on top of non-favorites in the gamelists.
    auto favorites_first = std::make_shared<SwitchComponent>(mWindow);
    favorites_first->setState(Settings::getInstance()->getBool("FavoritesFirst"));
    s->addWithLabel("SORT FAVORITE GAMES ABOVE NON-FAVORITES", favorites_first);
    s->addSaveFunc([favorites_first,s ] {
        if (favorites_first->getState() !=
                Settings::getInstance()->getBool("FavoritesFirst")) {
            Settings::getInstance()->setBool("FavoritesFirst", favorites_first->getState());
            s->setNeedsSaving();
            s->setNeedsSorting();
            s->setNeedsSortingCollections();
            s->setInvalidateCachedBackground();
        }
    });

    // Enable gamelist star markings for favorite games.
    auto favorites_star = std::make_shared<SwitchComponent>(mWindow);
    favorites_star->setState(Settings::getInstance()->getBool("FavoritesStar"));
    s->addWithLabel("ADD STAR MARKINGS TO FAVORITE GAMES", favorites_star);
    s->addSaveFunc([favorites_star, s] {
        if (favorites_star->getState() != Settings::getInstance()->getBool("FavoritesStar")) {
            Settings::getInstance()->setBool("FavoritesStar", favorites_star->getState());
            s->setNeedsSaving();
            s->setNeedsReloading();
            s->setInvalidateCachedBackground();
        }
    });

    // Enable quick list scrolling overlay.
    auto list_scroll_overlay = std::make_shared<SwitchComponent>(mWindow);
    list_scroll_overlay->setState(Settings::getInstance()->getBool("ListScrollOverlay"));
    s->addWithLabel("ENABLE QUICK LIST SCROLLING OVERLAY", list_scroll_overlay);
    s->addSaveFunc([list_scroll_overlay, s] {
        if (list_scroll_overlay->getState() !=
                Settings::getInstance()->getBool("ListScrollOverlay")) {
            Settings::getInstance()->setBool("ListScrollOverlay", list_scroll_overlay->getState());
            s->setNeedsSaving();
        }
    });

    // Enable the 'Y' button for tagging games as favorites.
    auto favorites_add_button = std::make_shared<SwitchComponent>(mWindow);
    favorites_add_button->setState(Settings::getInstance()->getBool("FavoritesAddButton"));
    s->addWithLabel("ENABLE TOGGLE FAVORITES BUTTON", favorites_add_button);
    s->addSaveFunc([favorites_add_button, s] {
        if (Settings::getInstance()->getBool("FavoritesAddButton") !=
                favorites_add_button->getState()) {
            Settings::getInstance()->setBool("FavoritesAddButton",
                    favorites_add_button->getState());
            s->setNeedsSaving();
        }
    });

    // Enable the thumbstick click buttons for jumping to a random system or game.
    auto random_add_button = std::make_shared<SwitchComponent>(mWindow);
    random_add_button->setState(Settings::getInstance()->getBool("RandomAddButton"));
    s->addWithLabel("ENABLE RANDOM SYSTEM OR GAME BUTTON", random_add_button);
    s->addSaveFunc([random_add_button, s] {
        if (Settings::getInstance()->getBool("RandomAddButton") !=
                random_add_button->getState()) {
            Settings::getInstance()->setBool("RandomAddButton",
                    random_add_button->getState());
            s->setNeedsSaving();
        }
    });

    // Gamelist filters.
    auto gamelist_filters = std::make_shared<SwitchComponent>(mWindow);
    gamelist_filters->setState(Settings::getInstance()->getBool("GamelistFilters"));
    s->addWithLabel("ENABLE GAMELIST FILTERS", gamelist_filters);
    s->addSaveFunc([gamelist_filters, s] {
        if (Settings::getInstance()->getBool("GamelistFilters") !=
                gamelist_filters->getState()) {
            Settings::getInstance()->setBool("GamelistFilters", gamelist_filters->getState());
            s->setNeedsSaving();
            s->setNeedsReloading();
        }
    });

    // Quick system select (navigate left/right in gamelist view).
    auto quick_system_select = std::make_shared<SwitchComponent>(mWindow);
    quick_system_select->setState(Settings::getInstance()->getBool("QuickSystemSelect"));
    s->addWithLabel("ENABLE QUICK SYSTEM SELECT", quick_system_select);
    s->addSaveFunc([quick_system_select, s] {
        if (Settings::getInstance()->getBool("QuickSystemSelect") !=
                quick_system_select->getState()) {
            Settings::getInstance()->setBool("QuickSystemSelect", quick_system_select->getState());
            s->setNeedsSaving();
        }
    });

    // On-screen help prompts.
    auto show_help_prompts = std::make_shared<SwitchComponent>(mWindow);
    show_help_prompts->setState(Settings::getInstance()->getBool("ShowHelpPrompts"));
    s->addWithLabel("DISPLAY ON-SCREEN HELP", show_help_prompts);
    s->addSaveFunc([show_help_prompts, s] {
        if (Settings::getInstance()->getBool("ShowHelpPrompts") != show_help_prompts->getState()) {
            Settings::getInstance()->setBool("ShowHelpPrompts", show_help_prompts->getState());
            s->setNeedsSaving();
        }
    });

    // Play videos immediately (overrides theme setting).
    auto play_videos_immediately = std::make_shared<SwitchComponent>(mWindow);
    play_videos_immediately->setState(Settings::getInstance()->getBool("PlayVideosImmediately"));
    s->addWithLabel("PLAY VIDEOS IMMEDIATELY (OVERRIDE THEME)", play_videos_immediately);
    s->addSaveFunc([play_videos_immediately, s] {
        if (Settings::getInstance()->getBool("PlayVideosImmediately") !=
                play_videos_immediately->getState()) {
            Settings::getInstance()->setBool("PlayVideosImmediately",
                    play_videos_immediately->getState());
            s->setNeedsSaving();
        }
    });

    // Media viewer.
    ComponentListRow media_viewer_row;
    media_viewer_row.elements.clear();
    media_viewer_row.addElement(std::make_shared<TextComponent>
            (mWindow, "MEDIA VIEWER SETTINGS", Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
    media_viewer_row.addElement(makeArrow(mWindow), false);
    media_viewer_row.makeAcceptInputHandler(std::bind(&GuiMenu::openMediaViewerOptions, this));
    s->addRow(media_viewer_row);

    // Screensaver.
    ComponentListRow screensaver_row;
    screensaver_row.elements.clear();
    screensaver_row.addElement(std::make_shared<TextComponent>
            (mWindow, "SCREENSAVER SETTINGS", Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
    screensaver_row.addElement(makeArrow(mWindow), false);
    screensaver_row.makeAcceptInputHandler(std::bind(&GuiMenu::openScreensaverOptions, this));
    s->addRow(screensaver_row);

    mWindow->pushGui(s);
}

void GuiMenu::openSoundOptions()
{
    auto s = new GuiSettings(mWindow, "SOUND SETTINGS");

    // TEMPORARY - Hide the volume slider on macOS and BSD Unix until the volume control logic
    // has been implemented for these operating systems.
    #if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__OpenBSD__) && !defined(__NetBSD__)
    // System volume.
    auto system_volume = std::make_shared<SliderComponent>(mWindow, 0.f, 100.f, 1.f, "%");
    system_volume->setValue(static_cast<float>(VolumeControl::getInstance()->getVolume()));
    s->addWithLabel("SYSTEM VOLUME", system_volume);
    s->addSaveFunc([system_volume] {
        VolumeControl::getInstance()->
                setVolume(static_cast<int>(std::round(system_volume->getValue())));
        // Explicitly delete the VolumeControl instance so that it will reinitialize the
        // next time the menu is entered. This is the easiest way to detect new default
        // audio devices or changes to the audio volume done by the operating system.
        VolumeControl::getInstance()->deleteInstance();
    });
    #endif

    // Volume for navigation sounds.
    auto sound_volume_navigation =
            std::make_shared<SliderComponent>(mWindow, 0.f, 100.f, 1.f, "%");
    sound_volume_navigation->setValue(static_cast<float>(Settings::getInstance()->
            getInt("SoundVolumeNavigation")));
    s->addWithLabel("NAVIGATION SOUNDS VOLUME", sound_volume_navigation);
    s->addSaveFunc([sound_volume_navigation, s] {
        if (sound_volume_navigation->getValue() !=
                static_cast<float>(Settings::getInstance()->getInt("SoundVolumeNavigation"))) {
            Settings::getInstance()->setInt("SoundVolumeNavigation",
                    static_cast<int>(sound_volume_navigation->getValue()));
            s->setNeedsSaving();
        }
    });

    // Volume for videos.
    auto sound_volume_videos =
            std::make_shared<SliderComponent>(mWindow, 0.f, 100.f, 1.f, "%");
    sound_volume_videos->setValue(static_cast<float>(Settings::getInstance()->
            getInt("SoundVolumeVideos")));
    s->addWithLabel("VIDEO PLAYER VOLUME", sound_volume_videos);
    s->addSaveFunc([sound_volume_videos, s] {
        if (sound_volume_videos->getValue() !=
                static_cast<float>(Settings::getInstance()->getInt("SoundVolumeVideos"))) {
            Settings::getInstance()->setInt("SoundVolumeVideos",
                    static_cast<int>(sound_volume_videos->getValue()));
            s->setNeedsSaving();
        }
    });

    if (UIModeController::getInstance()->isUIModeFull()) {
    // The ALSA Audio Card and Audio Device selection code is disabled at the moment.
    // As PulseAudio controls the sound devices for the desktop environment, it doesn't
    // make much sense to be able to select ALSA devices directly. Normally (always?)
    // the selection doesn't make any difference at all. But maybe some PulseAudio
    // settings could be added later on, if needed.
    // The code is still active for Raspberry Pi though as I'm not sure if this is
    // useful for that device.
    //    #if defined(__linux__)
        #if defined(_RPI_)
        // Audio card.
        auto audio_card = std::make_shared<OptionListComponent<std::string>>
                (mWindow, getHelpStyle(), "AUDIO CARD", false);
        std::vector<std::string> audio_cards;
        #if defined(_RPI_)
        // RPi Specific Audio Cards.
        audio_cards.push_back("local");
        audio_cards.push_back("hdmi");
        audio_cards.push_back("both");
        #endif
        audio_cards.push_back("default");
        audio_cards.push_back("sysdefault");
        audio_cards.push_back("dmix");
        audio_cards.push_back("hw");
        audio_cards.push_back("plughw");
        audio_cards.push_back("null");
        if (Settings::getInstance()->getString("AudioCard") != "") {
            if (std::find(audio_cards.begin(), audio_cards.end(),
                    Settings::getInstance()->getString("AudioCard")) == audio_cards.end()) {
                audio_cards.push_back(Settings::getInstance()->getString("AudioCard"));
            }
        }
        for (auto ac = audio_cards.cbegin(); ac != audio_cards.cend(); ac++)
            audio_card->add(*ac, *ac, Settings::getInstance()->getString("AudioCard") == *ac);
        s->addWithLabel("AUDIO CARD", audio_card);
        s->addSaveFunc([audio_card, s] {
            if (audio_card->getSelected() != Settings::getInstance()->getString("AudioCard")) {
                Settings::getInstance()->setString("AudioCard", audio_card->getSelected());
                VolumeControl::getInstance()->deinit();
                VolumeControl::getInstance()->init();
                s->setNeedsSaving();
            }
        });

        // Volume control device.
        auto vol_dev = std::make_shared<OptionListComponent<std::string>>
                (mWindow, getHelpStyle(), "AUDIO DEVICE", false);
        std::vector<std::string> transitions;
        transitions.push_back("PCM");
        transitions.push_back("Speaker");
        transitions.push_back("Master");
        transitions.push_back("Digital");
        transitions.push_back("Analogue");
        if (Settings::getInstance()->getString("AudioDevice") != "") {
            if (std::find(transitions.begin(), transitions.end(),
                    Settings::getInstance()->getString("AudioDevice")) == transitions.end()) {
                transitions.push_back(Settings::getInstance()->getString("AudioDevice"));
            }
        }
        for (auto it = transitions.cbegin(); it != transitions.cend(); it++)
            vol_dev->add(*it, *it, Settings::getInstance()->getString("AudioDevice") == *it);
        s->addWithLabel("AUDIO DEVICE", vol_dev);
        s->addSaveFunc([vol_dev, s] {
            if (vol_dev->getSelected() != Settings::getInstance()->getString("AudioDevice")) {
                Settings::getInstance()->setString("AudioDevice", vol_dev->getSelected());
                VolumeControl::getInstance()->deinit();
                VolumeControl::getInstance()->init();
                s->setNeedsSaving();
            }
        });
        #endif

        #if defined(_RPI_)
        // OMXPlayer audio device.
        auto omx_audio_dev = std::make_shared<OptionListComponent<std::string>>
                (mWindow, getHelpStyle(), "OMX PLAYER AUDIO DEVICE", false);
        std::vector<std::string> omx_cards;
        // RPi Specific  Audio Cards
        omx_cards.push_back("local");
        omx_cards.push_back("hdmi");
        omx_cards.push_back("both");
        omx_cards.push_back("alsa:hw:0,0");
        omx_cards.push_back("alsa:hw:1,0");
        if (Settings::getInstance()->getString("OMXAudioDev") != "") {
            if (std::find(omx_cards.begin(), omx_cards.end(),
                    Settings::getInstance()->getString("OMXAudioDev")) == omx_cards.end()) {
                omx_cards.push_back(Settings::getInstance()->getString("OMXAudioDev"));
            }
        }
        for (auto it = omx_cards.cbegin(); it != omx_cards.cend(); it++)
            omx_audio_dev->add(*it, *it, Settings::getInstance()->getString("OMXAudioDev") == *it);
        s->addWithLabel("OMX PLAYER AUDIO DEVICE", omx_audio_dev);
        s->addSaveFunc([omx_audio_dev, s] {
            if (omx_audio_dev->getSelected() !=
                    Settings::getInstance()->getString("OMXAudioDev")) {
                Settings::getInstance()->setString("OMXAudioDev", omx_audio_dev->getSelected());
                s->setNeedsSaving();
            }
        });
        #endif

        // Play audio for gamelist videos.
        auto gamelist_video_audio = std::make_shared<SwitchComponent>(mWindow);
        gamelist_video_audio->setState(Settings::getInstance()->getBool("GamelistVideoAudio"));
        s->addWithLabel("PLAY AUDIO FOR VIDEOS IN THE GAMELIST VIEW", gamelist_video_audio);
        s->addSaveFunc([gamelist_video_audio, s] {
            if (gamelist_video_audio->getState() !=
                    Settings::getInstance()->getBool("GamelistVideoAudio")) {
                Settings::getInstance()->setBool("GamelistVideoAudio",
                        gamelist_video_audio->getState());
                s->setNeedsSaving();
            }
        });

        // Play audio for media viewer videos.
        auto media_viewer_video_audio = std::make_shared<SwitchComponent>(mWindow);
        media_viewer_video_audio->setState(Settings::getInstance()->
                getBool("MediaViewerVideoAudio"));
        s->addWithLabel("PLAY AUDIO FOR MEDIA VIEWER VIDEOS", media_viewer_video_audio);
        s->addSaveFunc([media_viewer_video_audio, s] {
            if (media_viewer_video_audio->getState() !=
                    Settings::getInstance()->getBool("MediaViewerVideoAudio")) {
                Settings::getInstance()->setBool("MediaViewerVideoAudio",
                        media_viewer_video_audio->getState());
                s->setNeedsSaving();
            }
        });

        // Play audio for screensaver videos.
        auto screensaver_video_audio = std::make_shared<SwitchComponent>(mWindow);
        screensaver_video_audio->setState(Settings::getInstance()->
                getBool("ScreensaverVideoAudio"));
        s->addWithLabel("PLAY AUDIO FOR SCREENSAVER VIDEOS", screensaver_video_audio);
        s->addSaveFunc([screensaver_video_audio, s] {
            if (screensaver_video_audio->getState() !=
                    Settings::getInstance()->getBool("ScreensaverVideoAudio")) {
                Settings::getInstance()->setBool("ScreensaverVideoAudio",
                        screensaver_video_audio->getState());
                s->setNeedsSaving();
            }
        });

        // Navigation sounds.
        auto navigation_sounds = std::make_shared<SwitchComponent>(mWindow);
        navigation_sounds->setState(Settings::getInstance()->
                getBool("NavigationSounds"));
        s->addWithLabel("ENABLE NAVIGATION SOUNDS", navigation_sounds);
        s->addSaveFunc([navigation_sounds, s] {
            if (navigation_sounds->getState() !=
                    Settings::getInstance()->getBool("NavigationSounds")) {
                Settings::getInstance()->setBool("NavigationSounds",
                        navigation_sounds->getState());
                s->setNeedsSaving();
            }
        });
    }

    mWindow->pushGui(s);
}

void GuiMenu::openInputDeviceOptions()
{
    auto s = new GuiSettings(mWindow, "INPUT DEVICE SETTINGS");

    // Controller type.
    auto input_controller_type = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "CONTROLLER TYPE", false);
    std::string selectedPlayer = Settings::getInstance()->getString("InputControllerType");
    input_controller_type->add("XBOX", "xbox", selectedPlayer == "xbox");
    input_controller_type->add("XBOX 360", "xbox360", selectedPlayer == "xbox360");
    input_controller_type->add("PLAYSTATION 4", "ps4", selectedPlayer == "ps4");
    input_controller_type->add("PLAYSTATION 5", "ps5", selectedPlayer == "ps5");
    input_controller_type->add("SNES", "snes", selectedPlayer == "snes");
    // If there are no objects returned, then there must be a manually modified entry in the
    // configuration file. Simply set the controller type to "xbox" in this case.
    if (input_controller_type->getSelectedObjects().size() == 0)
        input_controller_type->selectEntry(0);
    s->addWithLabel("CONTROLLER TYPE", input_controller_type);
    s->addSaveFunc([input_controller_type, s] {
        if (input_controller_type->getSelected() !=
                Settings::getInstance()->getString("InputControllerType")) {
            Settings::getInstance()->setString("InputControllerType",
                    input_controller_type->getSelected());
            s->setNeedsReloadHelpPrompts();
            s->setNeedsSaving();
        }
    });

    // Whether to only accept input from the first controller.
    auto input_only_first_controller = std::make_shared<SwitchComponent>(mWindow);
    input_only_first_controller->setState(Settings::getInstance()->
            getBool("InputOnlyFirstController"));
    s->addWithLabel("ONLY ACCEPT INPUT FROM FIRST CONTROLLER", input_only_first_controller);
    s->addSaveFunc([input_only_first_controller, s] {
        if (Settings::getInstance()->getBool("InputOnlyFirstController") !=
                input_only_first_controller->getState()) {
            Settings::getInstance()->setBool("InputOnlyFirstController",
                    input_only_first_controller->getState());
            s->setNeedsSaving();
        }
    });

    // Configure keyboard and controllers.
    ComponentListRow configure_input_row;
    configure_input_row.elements.clear();
    configure_input_row.addElement(std::make_shared<TextComponent>
            (mWindow, "CONFIGURE KEYBOARD AND CONTROLLERS",
            Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
    configure_input_row.addElement(makeArrow(mWindow), false);
    configure_input_row.makeAcceptInputHandler(std::bind(&GuiMenu::openConfigInput, this));
    s->addRow(configure_input_row);

    mWindow->pushGui(s);
}

void GuiMenu::openConfigInput()
{
    std::string message =
            "THE KEYBOARD AND ANY CONNECTED CONTROLLERS\n"
            "ARE AUTOMATICALLY CONFIGURED ON STARTUP, BUT\n"
            "USING THIS CONFIGURATION TOOL YOU ARE ABLE TO\n"
            "OVERRIDE THE DEFAULT BUTTON MAPPINGS (NOTE\n"
            "THAT THIS WILL NOT AFFECT THE HELP PROMPTS)\n"
            "CONTINUE?";

    Window* window = mWindow;
    window->pushGui(new GuiMsgBox(window, getHelpStyle(),
            message, "YES", [window] {
        window->pushGui(new GuiDetectDevice(window, false, false, nullptr));
    }, "NO", nullptr));
}

void GuiMenu::openOtherOptions()
{
    auto s = new GuiSettings(mWindow, "OTHER SETTINGS");

    // Maximum VRAM.
    auto max_vram = std::make_shared<SliderComponent>(mWindow, 80.f, 1024.f, 8.f, "MiB");
    max_vram->setValue(static_cast<float>(Settings::getInstance()->getInt("MaxVRAM")));
    s->addWithLabel("VRAM LIMIT", max_vram);
    s->addSaveFunc([max_vram, s] {
        if (max_vram->getValue() != Settings::getInstance()->getInt("MaxVRAM")) {
            Settings::getInstance()->setInt("MaxVRAM",
                    static_cast<int>(std::round(max_vram->getValue())));
            s->setNeedsSaving();
        }
    });

    // Display/monitor.
    auto display_index = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "DISPLAY/MONITOR INDEX", false);
    std::vector<std::string> displayIndex;
    displayIndex.push_back("1");
    displayIndex.push_back("2");
    displayIndex.push_back("3");
    displayIndex.push_back("4");
    for (auto it = displayIndex.cbegin(); it != displayIndex.cend(); it++)
        display_index->add(*it, *it,
                Settings::getInstance()->getInt("DisplayIndex") == atoi((*it).c_str()));
    s->addWithLabel("DISPLAY/MONITOR INDEX (REQUIRES RESTART)", display_index);
    s->addSaveFunc([display_index, s] {
        if (atoi(display_index->getSelected().c_str()) !=
                Settings::getInstance()->getInt("DisplayIndex")) {
            Settings::getInstance()->setInt("DisplayIndex",
                    atoi(display_index->getSelected().c_str()));
            s->setNeedsSaving();
        }
    });

    #if defined(__unix__)
    // Fullscreen mode.
    auto fullscreen_mode = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "FULLSCREEN MODE", false);
    std::vector<std::string> screenmode;
    screenmode.push_back("normal");
    screenmode.push_back("borderless");
    for (auto it = screenmode.cbegin(); it != screenmode.cend(); it++)
        fullscreen_mode->add(*it, *it, Settings::getInstance()->getString("FullscreenMode") == *it);
    s->addWithLabel("FULLSCREEN MODE (REQUIRES RESTART)", fullscreen_mode);
    s->addSaveFunc([fullscreen_mode, s] {
        if (fullscreen_mode->getSelected() !=
                Settings::getInstance()->getString("FullscreenMode")) {
            Settings::getInstance()->setString("FullscreenMode", fullscreen_mode->getSelected());
            s->setNeedsSaving();
        }
    });
    #endif

    // Video player.
    auto video_player = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "FULLSCREEN MODE", false);
    std::string selectedPlayer = Settings::getInstance()->getString("VideoPlayer");
    video_player->add("FFmpeg", "ffmpeg", selectedPlayer == "ffmpeg");
    video_player->add("VLC", "vlc", selectedPlayer == "vlc");
    // If there are no objects returned, then there must be a manually modified entry in the
    // configuration file. Simply set the video player to VLC in this case.
    if (video_player->getSelectedObjects().size() == 0)
        video_player->selectEntry(0);
    s->addWithLabel("VIDEO PLAYER", video_player);
    s->addSaveFunc([video_player, s] {
        if (video_player->getSelected() != Settings::getInstance()->getString("VideoPlayer")) {
            Settings::getInstance()->setString("VideoPlayer", video_player->getSelected());
            s->setNeedsSaving();
            s->setNeedsReloading();
        }
    });

    // When to save game metadata.
    auto save_gamelist_mode = std::make_shared<OptionListComponent<std::string>>
            (mWindow, getHelpStyle(), "WHEN TO SAVE METADATA", false);
    std::vector<std::string> saveModes;
    saveModes.push_back("on exit");
    saveModes.push_back("always");
    saveModes.push_back("never");
    for (auto it = saveModes.cbegin(); it != saveModes.cend(); it++) {
        save_gamelist_mode->add(*it, *it, Settings::getInstance()->
                getString("SaveGamelistsMode") == *it);
    }
    s->addWithLabel("WHEN TO SAVE GAME METADATA", save_gamelist_mode);
    s->addSaveFunc([save_gamelist_mode, s] {
        if (save_gamelist_mode->getSelected() !=
                Settings::getInstance()->getString("SaveGamelistsMode")) {
            Settings::getInstance()->setString("SaveGamelistsMode",
                    save_gamelist_mode->getSelected());
            // Always save the gamelist.xml files if switching to 'always' as there may
            // be changes that will otherwise be lost.
            if (Settings::getInstance()->getString("SaveGamelistsMode") == "always") {
                for (auto it = SystemData::sSystemVector.cbegin();
                        it != SystemData::sSystemVector.cend(); it++)
                    (*it)->writeMetaData();
            }
            s->setNeedsSaving();
        }
    });

    // Game media directory.
    ComponentListRow rowMediaDir;
    auto media_directory = std::make_shared<TextComponent>(mWindow, "GAME MEDIA DIRECTORY",
            Font::get(FONT_SIZE_MEDIUM), 0x777777FF);
    auto bracketMediaDirectory = std::make_shared<ImageComponent>(mWindow);
    bracketMediaDirectory->setImage(":/graphics/arrow.svg");
    bracketMediaDirectory->setResize(Vector2f(0, Font::get(FONT_SIZE_MEDIUM)->getLetterHeight()));
    rowMediaDir.addElement(media_directory, true);
    rowMediaDir.addElement(bracketMediaDirectory, false);
    std::string titleMediaDir = "ENTER GAME MEDIA DIRECTORY";
    std::string mediaDirectoryStaticText = "Default directory:";
    std::string defaultDirectoryText = "~/.emulationstation/downloaded_media/";
    std::string initValueMediaDir = Settings::getInstance()->getString("MediaDirectory");
    bool multiLineMediaDir = false;
    auto updateValMediaDir = [this](const std::string& newVal) {
        Settings::getInstance()->setString("MediaDirectory", newVal);
        Settings::getInstance()->saveFile();
        ViewController::get()->reloadAll();
        mWindow->invalidateCachedBackground();
    };
    rowMediaDir.makeAcceptInputHandler([this, titleMediaDir, mediaDirectoryStaticText,
            defaultDirectoryText, initValueMediaDir, updateValMediaDir, multiLineMediaDir] {
        mWindow->pushGui(new GuiComplexTextEditPopup(mWindow, getHelpStyle(),
                titleMediaDir, mediaDirectoryStaticText, defaultDirectoryText,
                Settings::getInstance()->getString("MediaDirectory"),
                updateValMediaDir, multiLineMediaDir, "SAVE", "SAVE CHANGES?"));
    });
    s->addRow(rowMediaDir);

    // Emulator core path.
    ComponentListRow rowCorePath;
    auto emulator_core_path = std::make_shared<TextComponent>(mWindow, "EMULATOR CORE PATH",
            Font::get(FONT_SIZE_MEDIUM), 0x777777FF);
    auto bracketCorePath = std::make_shared<ImageComponent>(mWindow);
    bracketCorePath->setImage(":/graphics/arrow.svg");
    bracketCorePath->setResize(Vector2f(0, Font::get(FONT_SIZE_MEDIUM)->getLetterHeight()));
    rowCorePath.addElement(emulator_core_path, true);
    rowCorePath.addElement(bracketCorePath, false);
    #if defined(_WIN64)
    std::string titleCorePath = "ENTER EMULATOR CORE PATH (USE SEMICOLON AS SEPARATOR)";
    #else
    std::string titleCorePath = "ENTER EMULATOR CORE PATH (USE COLON AS SEPARATOR)";
    #endif
    std::string emulatorCorePathStaticText = "Default path:";
    std::string defaultEmulatorCorePath = Settings::getInstance()->
            getDefaultString("EmulatorCorePath");
    if (defaultEmulatorCorePath == "")
        defaultEmulatorCorePath = "<No default path defined>";
    std::string initValueCorePath = Settings::getInstance()->getString("EmulatorCorePath");
    bool multiLineCorePath = false;
    auto updateValCorePath = [this](const std::string& newVal) {
        Settings::getInstance()->setString("EmulatorCorePath", newVal);
        Settings::getInstance()->saveFile();
    };
    rowCorePath.makeAcceptInputHandler([this, titleCorePath, emulatorCorePathStaticText,
            defaultEmulatorCorePath, initValueCorePath, updateValCorePath, multiLineCorePath] {
        mWindow->pushGui(new GuiComplexTextEditPopup(mWindow, getHelpStyle(),
                titleCorePath, emulatorCorePathStaticText, defaultEmulatorCorePath,
                Settings::getInstance()->getString("EmulatorCorePath"),
                updateValCorePath, multiLineCorePath, "SAVE", "SAVE CHANGES?"));
    });
    s->addRow(rowCorePath);

    #if defined(_RPI_)
    // Video playing using OMXPlayer.
    auto video_omx_player = std::make_shared<SwitchComponent>(mWindow);
    video_omx_player->setState(Settings::getInstance()->getBool("VideoOmxPlayer"));
    s->addWithLabel("USE OMX PLAYER (HW ACCELERATED)", video_omx_player);
    s->addSaveFunc([video_omx_player, s] {
        if (video_omx_player->getState() !=
                Settings::getInstance()->getBool("VideoOmxPlayer")) {
            Settings::getInstance()->setBool("VideoOmxPlayer", video_omx_player->getState());
            s->setNeedsSaving();
            // Need to reload all views to re-create the right video components.
            s->setNeedsReloading();
        }
    });
    #endif

    #if defined(_WIN64)
    // Hide taskbar during the ES program session.
    auto hide_taskbar = std::make_shared<SwitchComponent>(mWindow);
    hide_taskbar->setState(Settings::getInstance()->getBool("HideTaskbar"));
    s->addWithLabel("HIDE TASKBAR (REQUIRES RESTART)", hide_taskbar);
    s->addSaveFunc([hide_taskbar, s] {
        if (hide_taskbar->getState() !=
                Settings::getInstance()->getBool("HideTaskbar")) {
            Settings::getInstance()-> setBool("HideTaskbar", hide_taskbar->getState());
            s->setNeedsSaving();
        }
    });

    // Run ES in the background when a game has been launched.
    auto run_in_background = std::make_shared<SwitchComponent>(mWindow);
    run_in_background->setState(Settings::getInstance()->getBool("RunInBackground"));
    s->addWithLabel("RUN IN BACKGROUND (WHILE GAME IS LAUNCHED)", run_in_background);
    s->addSaveFunc([run_in_background,s] {
        if (run_in_background->getState() != Settings::getInstance()->getBool("RunInBackground")) {
            Settings::getInstance()->setBool("RunInBackground", run_in_background->getState());
            s->setNeedsSaving();
        }
    });
    #endif

    // Allow overriding of the launch command per game (the option to disable this is
    // intended primarily for testing purposes).
    auto launchcommand_override = std::make_shared<SwitchComponent>(mWindow);
    launchcommand_override->setState(Settings::getInstance()->getBool("LaunchCommandOverride"));
    s->addWithLabel("PER GAME LAUNCH COMMAND OVERRIDE", launchcommand_override);
    s->addSaveFunc([launchcommand_override, s] {
        if (launchcommand_override->getState() !=
                Settings::getInstance()->getBool("LaunchCommandOverride")) {
            Settings::getInstance()->
                    setBool("LaunchCommandOverride", launchcommand_override->getState());
            s->setNeedsSaving();
        }
    });

    // Show hidden files.
    auto show_hidden_files = std::make_shared<SwitchComponent>(mWindow);
    show_hidden_files->setState(Settings::getInstance()->getBool("ShowHiddenFiles"));
    s->addWithLabel("SHOW HIDDEN FILES AND FOLDERS (REQUIRES RESTART)", show_hidden_files);
    s->addSaveFunc([show_hidden_files, s] {
        if (show_hidden_files->getState() != Settings::getInstance()->getBool("ShowHiddenFiles")) {
            Settings::getInstance()->setBool("ShowHiddenFiles", show_hidden_files->getState());
            s->setNeedsSaving();
        }
    });

    // Show hidden games.
    auto show_hidden_games = std::make_shared<SwitchComponent>(mWindow);
    show_hidden_games->setState(Settings::getInstance()->getBool("ShowHiddenGames"));
    s->addWithLabel("SHOW HIDDEN GAMES (REQUIRES RESTART)", show_hidden_games);
    s->addSaveFunc([show_hidden_games, s] {
        if (show_hidden_games->getState() != Settings::getInstance()->getBool("ShowHiddenGames")) {
            Settings::getInstance()->setBool("ShowHiddenGames", show_hidden_games->getState());
            s->setNeedsSaving();
        }
    });

    // Custom event scripts, fired using Scripting::fireEvent().
    auto custom_eventscripts = std::make_shared<SwitchComponent>(mWindow);
    custom_eventscripts->setState(Settings::getInstance()->getBool("CustomEventScripts"));
    s->addWithLabel("ENABLE CUSTOM EVENT SCRIPTS", custom_eventscripts);
    s->addSaveFunc([custom_eventscripts, s] {
        if (custom_eventscripts->getState() !=
                Settings::getInstance()->getBool("CustomEventScripts")) {
            Settings::getInstance()->setBool("CustomEventScripts", custom_eventscripts->getState());
            s->setNeedsSaving();
        }
    });

    // Only show ROMs included in the gamelist.xml files.
    auto parse_gamelist_only = std::make_shared<SwitchComponent>(mWindow);
    parse_gamelist_only->setState(Settings::getInstance()->getBool("ParseGamelistOnly"));
    s->addWithLabel("ONLY SHOW ROMS FROM GAMELIST.XML FILES", parse_gamelist_only);
    s->addSaveFunc([parse_gamelist_only, s] {
        if (parse_gamelist_only->getState() !=
                Settings::getInstance()->getBool("ParseGamelistOnly")) {
            Settings::getInstance()->setBool("ParseGamelistOnly", parse_gamelist_only->getState());
            s->setNeedsSaving();
        }
    });

    // Display game media from the ROM directories.
    auto rom_dir_game_media = std::make_shared<SwitchComponent>(mWindow);
    rom_dir_game_media->setState(Settings::getInstance()->getBool("ROMDirGameMedia"));
    s->addWithLabel("DISPLAY GAME MEDIA FROM ROM DIRECTORIES", rom_dir_game_media);
    s->addSaveFunc([rom_dir_game_media, s] {
        if (rom_dir_game_media->getState() != Settings::getInstance()->getBool("ROMDirGameMedia")) {
            Settings::getInstance()->setBool("ROMDirGameMedia", rom_dir_game_media->getState());
            s->setNeedsSaving();
            s->setNeedsReloading();
            s->setInvalidateCachedBackground();
        }
    });

    #if defined(__unix__)
    // Whether to disable desktop composition.
    auto disable_composition = std::make_shared<SwitchComponent>(mWindow);
    disable_composition->setState(Settings::getInstance()->getBool("DisableComposition"));
    s->addWithLabel("DISABLE DESKTOP COMPOSITION (REQUIRES RESTART)", disable_composition);
    s->addSaveFunc([disable_composition, s] {
        if (disable_composition->getState() !=
                Settings::getInstance()->getBool("DisableComposition")) {
            Settings::getInstance()->setBool("DisableComposition",
                    disable_composition->getState());
            s->setNeedsSaving();
        }
    });
    #endif

    // GPU statistics overlay.
    auto display_gpu_statistics = std::make_shared<SwitchComponent>(mWindow);
    display_gpu_statistics->setState(Settings::getInstance()->getBool("DisplayGPUStatistics"));
    s->addWithLabel("DISPLAY GPU STATISTICS OVERLAY", display_gpu_statistics);
    s->addSaveFunc([display_gpu_statistics, s] {
        if (display_gpu_statistics->getState() !=
                Settings::getInstance()->getBool("DisplayGPUStatistics")) {
            Settings::getInstance()->setBool("DisplayGPUStatistics",
                    display_gpu_statistics->getState());
            s->setNeedsSaving();
        }
    });

    // Whether to enable the menu in Kid mode.
    auto enable_menu_kid_mode = std::make_shared<SwitchComponent>(mWindow);
    enable_menu_kid_mode->setState(Settings::getInstance()->getBool("EnableMenuKidMode"));
    s->addWithLabel("ENABLE MENU IN KID MODE", enable_menu_kid_mode);
    s->addSaveFunc([enable_menu_kid_mode, s] {
        if (Settings::getInstance()->getBool("EnableMenuKidMode") !=
                enable_menu_kid_mode->getState()) {
            Settings::getInstance()->setBool("EnableMenuKidMode", enable_menu_kid_mode->getState());
            s->setNeedsSaving();
        }
    });

    // macOS requires root privileges to reboot and power off so it doesn't make much
    // sense to enable this setting and menu entry for that operating system.
    #if !defined(__APPLE__)
    // Whether to show the quit menu with the options to reboot and shutdown the computer.
    auto show_quit_menu = std::make_shared<SwitchComponent>(mWindow);
    show_quit_menu->setState(Settings::getInstance()->getBool("ShowQuitMenu"));
    s->addWithLabel("SHOW QUIT MENU (REBOOT AND POWER OFF ENTRIES)", show_quit_menu);
    s->addSaveFunc([this, show_quit_menu, s] {
        if (show_quit_menu->getState() !=
                Settings::getInstance()->getBool("ShowQuitMenu")) {
            Settings::getInstance()->setBool("ShowQuitMenu", show_quit_menu->getState());
            s->setNeedsSaving();
            GuiMenu::close(false);
        }
    });
    #endif

    mWindow->pushGui(s);
}

void GuiMenu::openUtilitiesMenu()
{
    auto s = new GuiSettings(mWindow, "UTILITIES");

    mWindow->pushGui(s);
}

void GuiMenu::openQuitMenu()
{
    if (!Settings::getInstance()->getBool("ShowQuitMenu")) {
        mWindow->pushGui(new GuiMsgBox(mWindow, this->getHelpStyle(),
                "REALLY QUIT?", "YES", [this] {
            Scripting::fireEvent("quit");
            close(true);
            quitES();
        }, "NO", nullptr));
    }
    else {
        auto s = new GuiSettings(mWindow, "QUIT");

        Window* window = mWindow;
        HelpStyle style = getHelpStyle();

        // This transparent bracket is only neeeded to generate the correct help prompts.
        auto bracket = std::make_shared<ImageComponent>(mWindow);
        bracket->setImage(":/graphics/arrow.svg");
        bracket->setOpacity(0);

        ComponentListRow row;

        row.makeAcceptInputHandler([window, this] {
            window->pushGui(new GuiMsgBox(window, this->getHelpStyle(),
                "REALLY QUIT?", "YES", [this] {
                    Scripting::fireEvent("quit");
                    close(true);
                    quitES();
            }, "NO", nullptr));
        });
        row.addElement(std::make_shared<TextComponent>(window, "QUIT EMULATIONSTATION",
                Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
        row.addElement(bracket, false);
        s->addRow(row);

        row.elements.clear();
        row.makeAcceptInputHandler([window, this] {
            window->pushGui(new GuiMsgBox(window, this->getHelpStyle(),
                    "REALLY REBOOT?", "YES", [] {
                    Scripting::fireEvent("quit", "reboot");
                    Scripting::fireEvent("reboot");
                    if (quitES(QuitMode::REBOOT) != 0) {
                        LOG(LogWarning) << "Reboot terminated with non-zero result!";
                    }
            }, "NO", nullptr));
        });
        row.addElement(std::make_shared<TextComponent>(window, "REBOOT SYSTEM",
                Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
        row.addElement(bracket, false);
        s->addRow(row);

        row.elements.clear();
        row.makeAcceptInputHandler([window, this] {
            window->pushGui(new GuiMsgBox(window, this->getHelpStyle(),
                    "REALLY POWER OFF?", "YES", [] {
                    Scripting::fireEvent("quit", "poweroff");
                    Scripting::fireEvent("poweroff");
                    if (quitES(QuitMode::POWEROFF) != 0) {
                        LOG(LogWarning) << "Power off terminated with non-zero result!";
                    }
            }, "NO", nullptr));
        });
        row.addElement(std::make_shared<TextComponent>(window, "POWER OFF SYSTEM",
                Font::get(FONT_SIZE_MEDIUM), 0x777777FF), true);
        row.addElement(bracket, false);
        s->addRow(row);

        mWindow->pushGui(s);
    }
}

void GuiMenu::addVersionInfo()
{
    mVersion.setFont(Font::get(FONT_SIZE_SMALL));
    mVersion.setColor(0x5E5E5EFF);
    mVersion.setText("EMULATIONSTATION-DE  V" + Utils::String::toUpper(PROGRAM_VERSION_STRING));
    mVersion.setHorizontalAlignment(ALIGN_CENTER);
    addChild(&mVersion);
}

void GuiMenu::openMediaViewerOptions()
{
    mWindow->pushGui(new GuiMediaViewerOptions(mWindow, "MEDIA VIEWER SETTINGS"));
}

void GuiMenu::openScreensaverOptions()
{
    mWindow->pushGui(new GuiScreensaverOptions(mWindow, "SCREENSAVER SETTINGS"));
}

void GuiMenu::openCollectionSystemOptions()
{
    mWindow->pushGui(new GuiCollectionSystemsOptions(mWindow, "GAME COLLECTION SETTINGS"));
}

void GuiMenu::onSizeChanged()
{
    mVersion.setSize(mSize.x(), 0);
    mVersion.setPosition(0, mSize.y() - mVersion.getSize().y());
}

void GuiMenu::addEntry(const std::string& name, unsigned int color,
        bool add_arrow, const std::function<void()>& func)
{
    std::shared_ptr<Font> font = Font::get(FONT_SIZE_MEDIUM);

    // Populate the list.
    ComponentListRow row;
    row.addElement(std::make_shared<TextComponent>(mWindow, name, font, color), true);

    if (add_arrow) {
        std::shared_ptr<ImageComponent> bracket = makeArrow(mWindow);
        row.addElement(bracket, false);
    }

    row.makeAcceptInputHandler(func);
    mMenu.addRow(row);
}

void GuiMenu::close(bool closeAllWindows)
{
    std::function<void()> closeFunc;
    if (!closeAllWindows) {
        closeFunc = [this] { delete this; };
    }
    else {
        Window* window = mWindow;
        closeFunc = [window, this] {
            while (window->peekGui() != ViewController::get())
                delete window->peekGui();
        };
    }
    closeFunc();
}

bool GuiMenu::input(InputConfig* config, Input input)
{
    if (GuiComponent::input(config, input))
        return true;

    const bool isStart = config->isMappedTo("start", input);
    if (input.value != 0 && (config->isMappedTo("b", input) || isStart)) {
        close(isStart);
        return true;
    }

    return false;
}

std::vector<HelpPrompt> GuiMenu::getHelpPrompts()
{
    std::vector<HelpPrompt> prompts;
    prompts.push_back(HelpPrompt("up/down", "choose"));
    prompts.push_back(HelpPrompt("a", "select"));
    prompts.push_back(HelpPrompt("b", "close menu"));
    prompts.push_back(HelpPrompt("start", "close menu"));
    return prompts;
}

HelpStyle GuiMenu::getHelpStyle()
{
    HelpStyle style = HelpStyle();
    style.applyTheme(ViewController::get()->getState().getSystem()->getTheme(), "system");
    return style;
}