ImGuiMedia.cc

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#include "ImGuiMedia.hh"
 
#include "ImGuiCpp.hh"
#include "ImGuiManager.hh"
#include "ImGuiOpenFile.hh"
#include "ImGuiUtils.hh"
 
#include "CartridgeSlotManager.hh"
#include "CassettePlayer.hh"
#include "CassettePlayerCLI.hh"
#include "CassettePort.hh"
#include "DiskImageCLI.hh"
#include "DiskImageUtils.hh"
#include "DiskManipulator.hh"
#include "FilePool.hh"
#include "HardwareConfig.hh"
#include "HD.hh"
#include "IDECDROM.hh"
#include "MSXCliComm.hh"
#include "MSXCommandController.hh"
#include "MSXRomCLI.hh"
#include "Reactor.hh"
#include "RealDrive.hh"
#include "RomDatabase.hh"
#include "RomInfo.hh"
 
#include "join.hh"
#include "one_of.hh"
#include "ranges.hh"
#include "StringOp.hh"
#include "unreachable.hh"
#include "view.hh"
 
#include <CustomFont.h>
#include <imgui.h>
#include <imgui_stdlib.h>
 
#include <algorithm>
#include <iomanip>
#include <memory>
#include <sstream>
 
using namespace std::literals;
 
namespace openmsx {
 
void ImGuiMedia::save(ImGuiTextBuffer& buf)
{
        savePersistent(buf, *this, persistentElements);
 
        auto saveItem = [&](const MediaItem& item, zstring_view name) {
                if (item.name.empty()) return;
                buf.appendf("%s.name=%s\n", name.c_str(), item.name.c_str());
                for (const auto& patch : item.ipsPatches) {
                        buf.appendf("%s.patch=%s\n", name.c_str(), patch.c_str());
                }
                if (item.romType != RomType::UNKNOWN) {
                        buf.appendf("%s.romType=%s\n", name.c_str(),
                                std::string(RomInfo::romTypeToName(item.romType)).c_str());
                }
        };
        auto saveGroup = [&](const ItemGroup& group, zstring_view name) {
                saveItem(group.edit, name);
                auto recentName = tmpStrCat(name, ".recent");
                for (const auto& item : group.recent) {
                        saveItem(item, recentName);
                }
                // don't save patchIndex
        };
 
        std::string name;
        name = "diska";
        for (const auto& info : diskMediaInfo) {
                saveGroup(info.groups[SelectDiskType::IMAGE], tmpStrCat(name, ".image"));
                saveGroup(info.groups[SelectDiskType::DIR_AS_DISK], tmpStrCat(name, ".dirAsDsk"));
                // don't save groups[RAMDISK]
                //if (info.select) buf.appendf("%s.select=%d\n", name.c_str(), info.select);
                if (info.show) buf.appendf("%s.show=1\n", name.c_str());
                name.back()++;
        }
 
        name = "carta";
        for (const auto& info : cartridgeMediaInfo) {
                saveGroup(info.groups[SelectCartridgeType::IMAGE], tmpStrCat(name, ".rom"));
                saveGroup(info.groups[SelectCartridgeType::EXTENSION], tmpStrCat(name, ".extension"));
                //if (info.select) buf.appendf("%s.select=%d\n", name.c_str(), info.select);
                if (info.show) buf.appendf("%s.show=1\n", name.c_str());
                name.back()++;
        }
 
        name = "hda";
        for (const auto& info : hdMediaInfo) {
                saveGroup(info, name);
                name.back()++;
        }
 
        name = "cda";
        for (const auto& info : cdMediaInfo) {
                saveGroup(info, name);
                name.back()++;
        }
 
        if (cassetteMediaInfo.show) buf.append("cassette.show=1\n");
        saveGroup(cassetteMediaInfo.group, "cassette");
 
        saveGroup(extensionMediaInfo, "extension");
        saveGroup(laserdiscMediaInfo, "laserdisc");
}
 
void ImGuiMedia::loadLine(std::string_view name, zstring_view value)
{
        auto get = [&](std::string_view prefix, auto& array) -> std::remove_reference_t<decltype(array[0])>* {
                if ((name.size() >= (prefix.size() + 2)) && name.starts_with(prefix) && (name[prefix.size() + 1] == '.')) {
                        char c = name[prefix.size()];
                        if (('a' <= c) && (c < char('a' + array.size()))) {
                                return &array[c - 'a'];
                        }
                }
                return nullptr;
        };
        auto loadItem = [&](MediaItem& item, std::string_view suffix) {
                if (suffix == "name") {
                        item.name = value;
                } else if (suffix == "patch") {
                        item.ipsPatches.emplace_back(value);
                } else if (suffix == "romType") {
                        if (auto type = RomInfo::nameToRomType(value); type != RomType::UNKNOWN) {
                                item.romType = type;
                        }
                }
        };
        auto loadGroup = [&](ItemGroup& group, std::string_view suffix) {
                if (suffix.starts_with("recent.")) {
                        if (suffix == "recent.name" && !group.recent.full()) {
                                group.recent.push_back(MediaItem{});
                        }
                        if (!group.recent.empty()) {
                                loadItem(group.recent.back(), suffix.substr(7));
                        }
                } else {
                        loadItem(group.edit, suffix);
                }
        };
 
        if (loadOnePersistent(name, value, *this, persistentElements)) {
                // already handled
        } else if (auto* disk = get("disk", diskMediaInfo)) {
                using enum SelectDiskType;
                auto suffix = name.substr(6);
                if (suffix.starts_with("image.")) {
                        loadGroup(disk->groups[IMAGE], suffix.substr(6));
                } else if (suffix.starts_with("dirAsDsk.")) {
                        loadGroup(disk->groups[DIR_AS_DISK], suffix.substr(9));
                } else if (suffix == "select") {
                        if (auto i = StringOp::stringTo<unsigned>(value)) {
                                if (*i < to_underlying(NUM)) {
                                        disk->select = SelectDiskType(*i);
                                }
                        }
                } else if (suffix == "show") {
                        disk->show = StringOp::stringToBool(value);
                }
        } else if (auto* cart = get("cart", cartridgeMediaInfo)) {
                using enum SelectCartridgeType;
                auto suffix = name.substr(6);
                if (suffix.starts_with("rom.")) {
                        loadGroup(cart->groups[IMAGE], suffix.substr(4));
                } else if (suffix.starts_with("extension.")) {
                        loadGroup(cart->groups[EXTENSION], suffix.substr(10));
                } else if (suffix == "select") {
                        if (auto i = StringOp::stringTo<unsigned>(value)) {
                                if (i < to_underlying(NUM)) {
                                        cart->select = SelectCartridgeType(*i);
                                }
                        }
                } else if (suffix == "show") {
                        cart->show = StringOp::stringToBool(value);
                }
        } else if (auto* hd = get("hd", hdMediaInfo)) {
                loadGroup(*hd, name.substr(4));
        } else if (auto* cd = get("cd", cdMediaInfo)) {
                loadGroup(*cd, name.substr(4));
        } else if (name.starts_with("cassette.")) {
                auto suffix = name.substr(9);
                if (suffix == "show") {
                        cassetteMediaInfo.show = StringOp::stringToBool(value);
                } else {
                        loadGroup(cassetteMediaInfo.group, suffix);
                }
        } else if (name.starts_with("extension.")) {
                loadGroup(extensionMediaInfo, name.substr(10));
        } else if (name.starts_with("laserdisc.")) {
                loadGroup(laserdiscMediaInfo, name.substr(10));
        }
}
 
static std::string buildFilter(std::string_view description, std::span<const std::string_view> extensions)
{
        auto formatExtensions = [&]() -> std::string {
                if (extensions.size() <= 3) {
                        return join(view::transform(extensions,
                                        [](const auto& ext) { return strCat("*.", ext); }),
                               ' ');
                } else {
                        return join(extensions, ',');
                }
        };
        return strCat(
                description, " (", formatExtensions(), "){",
                join(view::transform(extensions,
                                     [](const auto& ext) { return strCat('.', ext); }),
                     ','),
                ",.gz,.zip}");
}
 
std::string ImGuiMedia::diskFilter()
{
        return buildFilter("Disk images", DiskImageCLI::getExtensions());
}
 
static std::string romFilter()
{
        return buildFilter("ROM images", MSXRomCLI::getExtensions());
}
 
static std::string cassetteFilter()
{
        return buildFilter("Tape images", CassettePlayerCLI::getExtensions());
}
 
static std::string hdFilter()
{
        return buildFilter("Hard disk images", std::array{"dsk"sv});
}
 
static std::string cdFilter()
{
        return buildFilter("CDROM images", std::array{"iso"sv});
}
 
template<std::invocable<const std::string&> DisplayFunc = std::identity>
static std::string display(const ImGuiMedia::MediaItem& item, DisplayFunc displayFunc = {})
{
        std::string result = displayFunc(item.name);
        if (item.romType != RomType::UNKNOWN) {
                strAppend(result, " (", RomInfo::romTypeToName(item.romType), ')');
        }
        if (auto n = item.ipsPatches.size()) {
                strAppend(result, " (+", n, " patch", (n == 1 ? "" : "es"), ')');
        }
        return result;
}
 
std::vector<ImGuiMedia::ExtensionInfo>& ImGuiMedia::getAllExtensions()
{
        if (extensionInfo.empty()) {
                extensionInfo = parseAllConfigFiles<ExtensionInfo>(manager, "extensions", {"Manufacturer"sv, "Product code"sv, "Name"sv});
        }
        return extensionInfo;
}
 
void ImGuiMedia::resetExtensionInfo()
{
        extensionInfo.clear();
}
 
const std::string& ImGuiMedia::getTestResult(ExtensionInfo& info)
{
        if (!info.testResult) {
                info.testResult.emplace(); // empty string (for now)
                if (info.configName == one_of("advram", "Casio_KB-7", "Casio_KB-10")) {
                        // HACK: These only work in specific machines (e.g. with specific slot/memory layout)
                        // Report these as working because they don't depend on external ROM files.
                        return info.testResult.value();
                }
 
                auto& reactor = manager.getReactor();
                manager.executeDelayed([&reactor, &info]() mutable {
                        // don't create extra mb while drawing
                        try {
                                std::optional<MSXMotherBoard> mb;
                                mb.emplace(reactor);
                                // Non C-BIOS machine (see below) might e.g.
                                // generate warnings about conflicting IO ports.
                                mb->getMSXCliComm().setSuppressMessages(true);
                                try {
                                        mb->loadMachine("C-BIOS_MSX1");
                                } catch (MSXException& e1) {
                                        // Incomplete installation!! Missing C-BIOS machines!
                                        // Do a minimal attempt to recover.
                                        try {
                                                if (const auto* current = reactor.getMotherBoard()) {
                                                        mb.emplace(reactor); // need to recreate the motherboard
                                                        mb->getMSXCliComm().setSuppressMessages(true);
                                                        mb->loadMachine(std::string(current->getMachineName()));
                                                } else {
                                                        throw e1;
                                                }
                                        } catch (MSXException&) {
                                                // if this also fails, then prefer the original error
                                                throw e1;
                                        }
                                }
                                auto ext = mb->loadExtension(info.configName, "any");
                                mb->insertExtension(info.configName, std::move(ext));
                                assert(info.testResult->empty());
                        } catch (MSXException& e) {
                                info.testResult = e.getMessage(); // error
                        }
                });
        }
        return info.testResult.value();
}
 
 
ImGuiMedia::ExtensionInfo* ImGuiMedia::findExtensionInfo(std::string_view config)
{
        auto& allExtensions = getAllExtensions();
        auto it = ranges::find(allExtensions, config, &ExtensionInfo::configName);
        return (it != allExtensions.end()) ? std::to_address(it) : nullptr;
}
 
std::string ImGuiMedia::displayNameForExtension(std::string_view config)
{
        const auto* info = findExtensionInfo(config);
        return info ? info->displayName
                    : std::string(config); // normally shouldn't happen
}
 
std::string ImGuiMedia::displayNameForRom(const std::string& filename, bool compact)
{
        auto& reactor = manager.getReactor();
        if (auto sha1 = reactor.getFilePool().getSha1Sum(filename)) {
                const auto& database = reactor.getSoftwareDatabase();
                if (const auto* romInfo = database.fetchRomInfo(*sha1)) {
                        if (auto title = romInfo->getTitle(database.getBufferStart());
                                !title.empty()) {
                                return std::string(title);
                        }
                }
        }
        return compact ? std::string(FileOperations::getFilename(filename))
                       : filename;
}
 
std::string ImGuiMedia::displayNameForHardwareConfig(const HardwareConfig& config, bool compact)
{
        if (config.getType() == HardwareConfig::Type::EXTENSION) {
                return displayNameForExtension(config.getConfigName());
        } else {
                return displayNameForRom(std::string(config.getRomFilename()), compact); // ROM filename
        }
}
 
std::string ImGuiMedia::displayNameForSlotContent(const CartridgeSlotManager& slotManager, unsigned slotNr, bool compact)
{
        if (const auto* config = slotManager.getConfigForSlot(slotNr)) {
                return displayNameForHardwareConfig(*config, compact);
        }
        return "Empty";
}
 
std::string ImGuiMedia::slotAndNameForHardwareConfig(const CartridgeSlotManager& slotManager, const HardwareConfig& config)
{
        auto slot = slotManager.findSlotWith(config);
        std::string result = slot
                ? strCat(char('A' + *slot), " (", slotManager.getPsSsString(*slot), "): ")
                : "I/O-only: ";
        strAppend(result, displayNameForHardwareConfig(config));
        return result;
}
 
std::string ImGuiMedia::displayNameForDriveContent(unsigned drive, bool compact)
{
        auto cmd = makeTclList(tmpStrCat("disk", char('a' + drive)));
        std::string_view display;
        if (auto result = manager.execute(cmd)) {
                display = result->getListIndexUnchecked(1).getString();
        }
        return display.empty() ? "Empty"
                               : std::string(compact ? FileOperations::getFilename(display)
                                                     : display);
}
 
void ImGuiMedia::printExtensionInfo(ExtensionInfo& info)
{
        const auto& test = getTestResult(info);
        bool ok = test.empty();
        if (ok) {
                im::Table("##extension-info", 2, [&]{
                        ImGui::TableSetupColumn("description", ImGuiTableColumnFlags_WidthFixed);
                        ImGui::TableSetupColumn("value", ImGuiTableColumnFlags_WidthStretch);
 
                        for (const auto& [desc, value_] : info.configInfo) {
                                const auto& value = value_; // clang workaround
                                if (ImGui::TableNextColumn()) {
                                        ImGui::TextUnformatted(desc);
                                }
                                if (ImGui::TableNextColumn()) {
                                        im::TextWrapPos(ImGui::GetFontSize() * 35.0f, [&]{
                                                ImGui::TextUnformatted(value);
                                        });
                                }
                        }
                });
        } else {
                im::StyleColor(ImGuiCol_Text, getColor(imColor::ERROR), [&]{
                        im::TextWrapPos(ImGui::GetFontSize() * 35.0f, [&] {
                                ImGui::TextUnformatted(test);
                        });
                });
        }
}
 
void ImGuiMedia::extensionTooltip(ExtensionInfo& info)
{
        im::ItemTooltip([&]{
                printExtensionInfo(info);
        });
}
 
bool ImGuiMedia::drawExtensionFilter()
{
        std::string filterDisplay = "filter";
        if (!filterType.empty() || !filterString.empty()) strAppend(filterDisplay, ':');
        if (!filterType.empty()) strAppend(filterDisplay, ' ', filterType);
        if (!filterString.empty()) strAppend(filterDisplay, ' ', filterString);
        strAppend(filterDisplay, "###filter");
        bool newFilterOpen = filterOpen;
        im::TreeNode(filterDisplay.c_str(), &newFilterOpen, [&]{
                displayFilterCombo(filterType, "Type", getAllExtensions());
                ImGui::InputText(ICON_IGFD_FILTER, &filterString);
                simpleToolTip("A list of substrings that must be part of the extension.\n"
                                "\n"
                                "For example: enter 'ko' to search for 'Konami' extensions. "
                                "Then refine the search by appending '<space>sc' to find the 'Konami SCC' extension.");
        });
        bool changed = filterOpen != newFilterOpen;
        filterOpen = newFilterOpen;
        return changed;
}
 
void ImGuiMedia::showMenu(MSXMotherBoard* motherBoard)
{
        im::Menu("Media", motherBoard != nullptr, [&]{
                auto& interp = manager.getInterpreter();
 
                enum class Status { NONE, ITEM, SEPARATOR };
                using enum Status;
                Status status = NONE;
 
                auto endGroup = [&] {
                        if (status == ITEM) status = SEPARATOR;
                };
                auto elementInGroup = [&] {
                        if (status == SEPARATOR) {
                                ImGui::Separator();
                        }
                        status = ITEM;
                };
 
                auto showCurrent = [&](TclObject current, std::string_view type) {
                        if (current.empty()) {
                                ImGui::StrCat("Current: no ", type, " inserted");
                        } else {
                                ImGui::StrCat("Current: ", current.getString());
                        }
                        ImGui::Separator();
                };
 
                auto showRecent = [&](std::string_view mediaName, ItemGroup& group,
                                      function_ref<std::string(const std::string&)> displayFunc = std::identity{},
                                      const std::function<void(const std::string&)>& toolTip = {}) {
                        if (!group.recent.empty()) {
                                im::Indent([&] {
                                        im::Menu(strCat("Recent##", mediaName).c_str(), [&]{
                                                int count = 0;
                                                for (const auto& item : group.recent) {
                                                        auto d = strCat(display(item, displayFunc), "##", count++);
                                                        if (ImGui::MenuItem(d.c_str())) {
                                                                group.edit = item;
                                                                insertMedia(mediaName, group.edit);
                                                        }
                                                        if (toolTip) toolTip(item.name);
                                                }
                                        });
                                });
                        }
                };
 
                // cartA / extX
                elementInGroup();
                const auto& slotManager = motherBoard->getSlotManager();
                bool anySlot = false;
                for (auto i : xrange(CartridgeSlotManager::MAX_SLOTS)) {
                        if (!slotManager.slotExists(i)) continue;
                        anySlot = true;
                        auto [ps, ss] = slotManager.getPsSs(i);
                        std::string extraInfo = ss == -1 ? "" : strCat(" (", slotManager.getPsSsString(i), ")");
                        auto displayName = strCat("Cartridge Slot ", char('A' + i), extraInfo);
                        ImGui::MenuItem(displayName.c_str(), nullptr, &cartridgeMediaInfo[i].show);
                        simpleToolTip([&]{ return displayNameForSlotContent(slotManager, i); });
                }
                if (!anySlot) {
                        ImGui::TextDisabled("No cartridge slots present");
                }
                endGroup();
 
                // extensions (needed for I/O-only extensions, or when you don't care about the exact slot)
                elementInGroup();
                im::Menu("Extensions", [&]{
                        auto mediaName = "ext"sv;
                        auto& group = extensionMediaInfo;
                        im::Menu("Insert", [&]{
                                ImGui::TextUnformatted("Select extension to insert in the first free slot"sv);
                                HelpMarker("Note that some extensions are I/O only and will not occupy any cartridge slot when inserted. "
                                           "These can only be removed via the 'Media > Extensions > Remove' menu. "
                                           "To insert (non I/O-only) extensions in a specific slot, use the 'Media > Cartridge Slot' menu.");
                                drawExtensionFilter();
 
                                auto& allExtensions = getAllExtensions();
                                auto filteredExtensions = to_vector(xrange(allExtensions.size()));
                                applyComboFilter("Type", filterType, allExtensions, filteredExtensions);
                                applyDisplayNameFilter(filterString, allExtensions, filteredExtensions);
 
                                float width = 40.0f * ImGui::GetFontSize();
                                float height = 10.25f * ImGui::GetTextLineHeightWithSpacing();
                                im::ListBox("##list", {width, height}, [&]{
                                        im::ListClipper(filteredExtensions.size(), [&](int i) {
                                                auto& ext = allExtensions[filteredExtensions[i]];
                                                bool ok = getTestResult(ext).empty();
                                                im::StyleColor(!ok, ImGuiCol_Text, getColor(imColor::ERROR), [&]{
                                                        if (ImGui::Selectable(ext.displayName.c_str())) {
                                                                group.edit.name = ext.configName;
                                                                insertMedia(mediaName, group.edit);
                                                                ImGui::CloseCurrentPopup();
                                                        }
                                                        extensionTooltip(ext);
                                                });
                                        });
                                });
                        });
 
                        showRecent(mediaName, group,
                                [this](const std::string& config) { // displayFunc
                                        return displayNameForExtension(config);
                                },
                                [this](const std::string& e) { // tooltip
                                        if (auto* info = findExtensionInfo(e)) {
                                                extensionTooltip(*info);
                                        }
                                });
 
                        ImGui::Separator();
 
                        const auto& extensions = motherBoard->getExtensions();
                        im::Disabled(extensions.empty(), [&]{
                                im::Menu("Remove", [&]{
                                        int count = 0;
                                        for (const auto& ext : extensions) {
                                                auto name = strCat(slotAndNameForHardwareConfig(slotManager, *ext), "##", count++);
                                                if (ImGui::Selectable(name.c_str())) {
                                                        manager.executeDelayed(makeTclList("remove_extension", ext->getName()));
                                                }
                                                if (auto* info = findExtensionInfo(ext->getConfigName())) {
                                                        extensionTooltip(*info);
                                                }
                                        }
                                });
                        });
                });
                endGroup();
 
                // diskX
                elementInGroup();
                auto drivesInUse = RealDrive::getDrivesInUse(*motherBoard);
                bool anyDrive = false;
                for (auto i : xrange(RealDrive::MAX_DRIVES)) {
                        if (!(*drivesInUse)[i]) continue;
                        anyDrive = true;
                        auto displayName = strCat("Disk Drive ", char('A' + i));
                        ImGui::MenuItem(displayName.c_str(), nullptr, &diskMediaInfo[i].show);
                        simpleToolTip([&] { return displayNameForDriveContent(i); });
                }
                if (!anyDrive) {
                        ImGui::TextDisabled("No disk drives present");
                }
                endGroup();
 
                // cassetteplayer
                elementInGroup();
                if (auto* player = motherBoard->getCassettePort().getCassettePlayer()) {
                        ImGui::MenuItem("Tape Deck", nullptr, &cassetteMediaInfo.show);
                        simpleToolTip([&]() -> std::string {
                                auto current = player->getImageName().getResolved();
                                return current.empty() ? "Empty" : current;
                        });
                } else {
                        ImGui::TextDisabled("No cassette port present");
                }
                endGroup();
 
                // hdX
                auto hdInUse = HD::getDrivesInUse(*motherBoard);
                std::string hdName = "hdX";
                for (auto i : xrange(HD::MAX_HD)) {
                        if (!(*hdInUse)[i]) continue;
                        hdName.back() = char('a' + i);
                        auto displayName = strCat("Hard Disk ", char('A' + i));
                        if (auto cmdResult = manager.execute(TclObject(hdName))) {
                                elementInGroup();
                                auto& group = hdMediaInfo[i];
                                im::Menu(displayName.c_str(), [&]{
                                        auto currentImage = cmdResult->getListIndex(interp, 1);
                                        showCurrent(currentImage, "hard disk");
                                        bool powered = motherBoard->isPowered();
                                        im::Disabled(powered, [&]{
                                                if (ImGui::MenuItem("Select hard disk image...")) {
                                                        manager.openFile->selectFile(
                                                                "Select image for " + displayName,
                                                                hdFilter(),
                                                                [this, &group, hdName](const auto& fn) {
                                                                        group.edit.name = fn;
                                                                        this->insertMedia(hdName, group.edit);
                                                                },
                                                                currentImage.getString());
                                                }
                                        });
                                        if (powered) {
                                                HelpMarker("Hard disk image cannot be switched while the MSX is powered on.");
                                        }
                                        im::Disabled(powered, [&]{
                                                showRecent(hdName, group);
                                        });
                                });
                        }
                }
                endGroup();
 
                // cdX
                auto cdInUse = IDECDROM::getDrivesInUse(*motherBoard);
                std::string cdName = "cdX";
                for (auto i : xrange(IDECDROM::MAX_CD)) {
                        if (!(*cdInUse)[i]) continue;
                        cdName.back() = char('a' + i);
                        auto displayName = strCat("CDROM Drive ", char('A' + i));
                        if (auto cmdResult = manager.execute(TclObject(cdName))) {
                                elementInGroup();
                                auto& group = cdMediaInfo[i];
                                im::Menu(displayName.c_str(), [&]{
                                        auto currentImage = cmdResult->getListIndex(interp, 1);
                                        showCurrent(currentImage, "CDROM");
                                        if (ImGui::MenuItem("Eject", nullptr, false, !currentImage.empty())) {
                                                manager.executeDelayed(makeTclList(cdName, "eject"));
                                        }
                                        if (ImGui::MenuItem("Insert CDROM image...")) {
                                                manager.openFile->selectFile(
                                                        "Select CDROM image for " + displayName,
                                                        cdFilter(),
                                                        [this, &group, cdName](const auto& fn) {
                                                                group.edit.name = fn;
                                                                this->insertMedia(cdName, group.edit);
                                                        },
                                                        currentImage.getString());
                                        }
                                        showRecent(cdName, group);
                                });
                        }
                }
                endGroup();
 
                // laserdisc
                if (auto cmdResult = manager.execute(TclObject("laserdiscplayer"))) {
                        elementInGroup();
                        im::Menu("LaserDisc Player", [&]{
                                auto currentImage = cmdResult->getListIndex(interp, 1);
                                showCurrent(currentImage, "laserdisc");
                                if (ImGui::MenuItem("eject", nullptr, false, !currentImage.empty())) {
                                        manager.executeDelayed(makeTclList("laserdiscplayer", "eject"));
                                }
                                if (ImGui::MenuItem("Insert LaserDisc image...")) {
                                        manager.openFile->selectFile(
                                                "Select LaserDisc image",
                                                buildFilter("LaserDisc images", std::array<std::string_view, 1>{"ogv"}),
                                                [this](const auto& fn) {
                                                        laserdiscMediaInfo.edit.name = fn;
                                                        this->insertMedia("laserdiscplayer", laserdiscMediaInfo.edit);
                                                },
                                                currentImage.getString());
                                }
                                showRecent("laserdiscplayer", laserdiscMediaInfo);
                        });
                }
                endGroup();
        });
}
 
void ImGuiMedia::paint(MSXMotherBoard* motherBoard)
{
        if (!motherBoard) return;
 
        auto drivesInUse = RealDrive::getDrivesInUse(*motherBoard);
        for (auto i : xrange(RealDrive::MAX_DRIVES)) {
                if (!(*drivesInUse)[i]) continue;
                if (diskMediaInfo[i].show) {
                        diskMenu(i);
                }
        }
 
        const auto& slotManager = motherBoard->getSlotManager();
        for (auto i : xrange(CartridgeSlotManager::MAX_SLOTS)) {
                if (!slotManager.slotExists(i)) continue;
                if (cartridgeMediaInfo[i].show) {
                        cartridgeMenu(i);
                }
        }
 
        if (cassetteMediaInfo.show) {
                if (auto* player = motherBoard->getCassettePort().getCassettePlayer()) {
                        cassetteMenu(*player);
                }
        }
}
 
static TclObject getPatches(const TclObject& cmdResult)
{
        return cmdResult.getOptionalDictValue(TclObject("patches")).value_or(TclObject{});
}
 
static void printPatches(const TclObject& patches)
{
        if (!patches.empty()) {
                ImGui::TextUnformatted("IPS patches:"sv);
                im::Indent([&]{
                        for (const auto& patch : patches) {
                                ImGui::TextUnformatted(patch);
                        }
                });
        }
}
 
static std::string leftClip(std::string_view s, float maxWidth)
{
        auto fullWidth = ImGui::CalcTextSize(s).x;
        if (fullWidth <= maxWidth) return std::string(s);
 
        maxWidth -= ImGui::CalcTextSize("..."sv).x;
        if (maxWidth <= 0.0f) return "...";
 
        auto len = s.size();
        auto num = *ranges::lower_bound(xrange(len), maxWidth, {},
                [&](size_t n) { return ImGui::CalcTextSize(s.substr(len - n)).x; });
        return strCat("...", s.substr(len - num));
}
 
bool ImGuiMedia::selectRecent(ItemGroup& group, function_ref<std::string(const std::string&)> displayFunc, float width) const
{
        bool interacted = false;
        ImGui::SetNextItemWidth(-width);
        const auto& style = ImGui::GetStyle();
        auto textWidth = ImGui::GetContentRegionAvail().x - (3.0f * style.FramePadding.x + ImGui::GetFrameHeight() + width);
        auto preview = leftClip(displayFunc(group.edit.name), textWidth);
        im::Combo("##recent", preview.c_str(), [&]{
                int count = 0;
                for (const auto& item : group.recent) {
                        auto d = strCat(display(item, displayFunc), "##", count++);
                        if (ImGui::Selectable(d.c_str())) {
                                group.edit = item;
                                interacted = true;
                        }
                }
        });
        interacted |= ImGui::IsItemActive();
        return interacted;
}
 
static float calcButtonWidth(std::string_view text1, const char* text2)
{
        const auto& style = ImGui::GetStyle();
        float width = style.ItemSpacing.x + 2.0f * style.FramePadding.x + ImGui::CalcTextSize(text1).x;
        if (text2) {
                width += style.ItemSpacing.x + 2.0f * style.FramePadding.x + ImGui::CalcTextSize(text2).x;
        }
        return width;
}
 
bool ImGuiMedia::selectImage(ItemGroup& group, const std::string& title,
                             function_ref<std::string()> createFilter, zstring_view current,
                             function_ref<std::string(const std::string&)> displayFunc,
                             const std::function<void()>& createNewCallback)
{
        bool interacted = false;
        im::ID("file", [&]{
                auto width = calcButtonWidth(ICON_IGFD_FOLDER_OPEN, createNewCallback ? ICON_IGFD_ADD : nullptr);
                interacted |= selectRecent(group, displayFunc, width);
                if (createNewCallback) {
                        ImGui::SameLine();
                        if (ImGui::Button(ICON_IGFD_ADD)) {
                                interacted = true;
                                createNewCallback();
                        }
                        simpleToolTip("Create new file");
                }
                ImGui::SameLine();
                if (ImGui::Button(ICON_IGFD_FOLDER_OPEN)) {
                        interacted = true;
                        manager.openFile->selectFile(
                                title,
                                createFilter(),
                                [&](const auto& fn) { group.edit.name = fn; },
                                current);
                }
                simpleToolTip("Browse file");
        });
        return interacted;
}
 
bool ImGuiMedia::selectDirectory(ItemGroup& group, const std::string& title, zstring_view current,
                                 const std::function<void()>& createNewCallback)
{
        bool interacted = false;
        im::ID("directory", [&]{
                auto width = calcButtonWidth(ICON_IGFD_FOLDER_OPEN, createNewCallback ? ICON_IGFD_ADD : nullptr);
                interacted |= selectRecent(group, std::identity{}, width);
                if (createNewCallback) {
                        ImGui::SameLine();
                        if (ImGui::Button(ICON_IGFD_ADD)) {
                                interacted = true;
                                createNewCallback();
                        }
                        simpleToolTip("Create new directory");
                }
                ImGui::SameLine();
                if (ImGui::Button(ICON_IGFD_FOLDER_OPEN)) {
                        interacted = true;
                        manager.openFile->selectDirectory(
                                title,
                                [&](const auto& fn) { group.edit.name = fn; },
                                current);
                }
                simpleToolTip("Browse directory");
        });
        return interacted;
}
 
bool ImGuiMedia::selectMapperType(const char* label, RomType& romType)
{
        bool interacted = false;
        bool isAutoDetect = romType == RomType::UNKNOWN;
        constexpr const char* autoStr = "auto detect";
        std::string current = isAutoDetect ? autoStr : std::string(RomInfo::romTypeToName(romType));
        im::Combo(label, current.c_str(), [&]{
                if (ImGui::Selectable(autoStr, isAutoDetect)) {
                        interacted = true;
                        romType = RomType::UNKNOWN;
                }
                int count = 0;
                for (const auto& romInfo : RomInfo::getRomTypeInfo()) {
                        bool selected = romType == static_cast<RomType>(count);
                        if (ImGui::Selectable(std::string(romInfo.name).c_str(), selected)) {
                                interacted = true;
                                romType = static_cast<RomType>(count);
                        }
                        simpleToolTip(romInfo.description);
                        ++count;
                }
        });
        interacted |= ImGui::IsItemActive();
        return interacted;
}
 
bool ImGuiMedia::selectPatches(MediaItem& item, int& patchIndex)
{
        bool interacted = false;
        std::string patchesTitle = "IPS patches";
        if (!item.ipsPatches.empty()) {
                strAppend(patchesTitle, " (", item.ipsPatches.size(), ')');
        }
        strAppend(patchesTitle, "###patches");
        im::TreeNode(patchesTitle.c_str(), [&]{
                const auto& style = ImGui::GetStyle();
                auto width = style.ItemSpacing.x + 2.0f * style.FramePadding.x + ImGui::CalcTextSize("Remove"sv).x;
                ImGui::SetNextItemWidth(-width);
                im::Group([&]{
                        im::ListBox("##", [&]{
                                int count = 0;
                                for (const auto& patch : item.ipsPatches) {
                                        auto preview = leftClip(patch, ImGui::GetContentRegionAvail().x);
                                        if (ImGui::Selectable(strCat(preview, "##", count).c_str(), count == patchIndex)) {
                                                interacted = true;
                                                patchIndex = count;
                                        }
                                        ++count;
                                }
                        });
                });
                ImGui::SameLine();
                im::Group([&]{
                        if (ImGui::Button("Add")) {
                                interacted = true;
                                manager.openFile->selectFile(
                                        "Select disk IPS patch",
                                        buildFilter("IPS patches", std::array<std::string_view, 1>{"ips"}),
                                        [&](const std::string& ips) {
                                                patchIndex = narrow<int>(item.ipsPatches.size());
                                                item.ipsPatches.push_back(ips);
                                        });
                        }
                        auto size = narrow<int>(item.ipsPatches.size());
                        im::Disabled(patchIndex < 0 || patchIndex >= size, [&] {
                                if (ImGui::Button("Remove")) {
                                        interacted = true;
                                        item.ipsPatches.erase(item.ipsPatches.begin() + patchIndex);
                                }
                                im::Disabled(patchIndex == 0, [&]{
                                        if (ImGui::ArrowButton("up", ImGuiDir_Up)) {
                                                std::swap(item.ipsPatches[patchIndex], item.ipsPatches[patchIndex - 1]);
                                                --patchIndex;
                                        }
                                });
                                im::Disabled(patchIndex == (size - 1), [&]{
                                        if (ImGui::ArrowButton("down", ImGuiDir_Down)) {
                                                std::swap(item.ipsPatches[patchIndex], item.ipsPatches[patchIndex + 1]);
                                                ++patchIndex;
                                        }
                                });
                        });
                });
        });
        return interacted;
}
 
bool ImGuiMedia::insertMediaButton(std::string_view mediaName, ItemGroup& group, bool* showWindow)
{
        bool clicked = false;
        im::Disabled(group.edit.name.empty() && !group.edit.isEject(), [&]{
                const auto& style = ImGui::GetStyle();
                auto width = 4.0f * style.FramePadding.x + style.ItemSpacing.x +
                             ImGui::CalcTextSize("Apply"sv).x + ImGui::CalcTextSize("Ok"sv).x;
                ImGui::SetCursorPosX(ImGui::GetContentRegionAvail().x - width + style.WindowPadding.x);
                clicked |= ImGui::Button("Apply");
                ImGui::SameLine();
                if (ImGui::Button("Ok")) {
                        *showWindow = false;
                        clicked = true;
                }
                if (clicked) {
                        insertMedia(mediaName, group.edit);
                }
        });
        return clicked;
}
 
TclObject ImGuiMedia::showDiskInfo(std::string_view mediaName, DiskMediaInfo& info)
{
        TclObject currentTarget;
        auto cmdResult = manager.execute(makeTclList("machine_info", "media", mediaName));
        if (!cmdResult) return currentTarget;
 
        using enum SelectDiskType;
        auto selectType = [&]{
                auto type = cmdResult->getOptionalDictValue(TclObject("type"));
                assert(type);
                auto s = type->getString();
                if (s == "empty") {
                        return EMPTY;
                } else if (s == "ramdsk") {
                        return RAMDISK;
                } else if (s == "dirasdisk") {
                        return DIR_AS_DISK;
                } else {
                        assert(s == "file");
                        return IMAGE;
                }
        }();
        std::string_view typeStr = [&]{
                switch (selectType) {
                        case IMAGE:       return "Disk image:";
                        case DIR_AS_DISK: return "Dir as disk:";
                        case RAMDISK:     return "RAM disk";
                        case EMPTY:       return "No disk inserted";
                        default: UNREACHABLE;
                }
        }();
        bool detailedInfo = selectType == one_of(DIR_AS_DISK, IMAGE);
        auto currentPatches = getPatches(*cmdResult);
 
        bool copyCurrent = ImGui::SmallButton("Current disk");
        HelpMarker("Press to copy current disk to 'Select new disk' section.");
 
        im::Indent([&]{
                ImGui::TextUnformatted(typeStr);
                if (detailedInfo) {
                        if (auto target = cmdResult->getOptionalDictValue(TclObject("target"))) {
                                currentTarget = *target;
                                ImGui::SameLine();
                                ImGui::TextUnformatted(leftClip(currentTarget.getString(),
                                                       ImGui::GetContentRegionAvail().x));
                        }
                        std::string statusLine;
                        auto add = [&](std::string_view s) {
                                if (statusLine.empty()) {
                                        statusLine = s;
                                } else {
                                        strAppend(statusLine, ", ", s);
                                }
                        };
                        if (auto ro = cmdResult->getOptionalDictValue(TclObject("readonly"))) {
                                if (ro->getOptionalBool().value_or(false)) {
                                        add("read-only");
                                }
                        }
                        if (auto doubleSided = cmdResult->getOptionalDictValue(TclObject("doublesided"))) {
                                add(doubleSided->getOptionalBool().value_or(true) ? "double-sided" : "single-sided");
                        }
                        if (auto size = cmdResult->getOptionalDictValue(TclObject("size"))) {
                                add(tmpStrCat(size->getOptionalInt().value_or(0) / 1024, "kB"));
                        }
                        if (!statusLine.empty()) {
                                ImGui::TextUnformatted(statusLine);
                        }
                        printPatches(currentPatches);
                }
        });
        if (copyCurrent) {
                info.select = selectType;
                auto& edit = info.groups[selectType].edit;
                edit.name = currentTarget.getString();
                edit.ipsPatches = to_vector<std::string>(currentPatches);
        }
        ImGui::Separator();
        return currentTarget;
}
 
void ImGuiMedia::printDatabase(const RomInfo& romInfo, const char* buf)
{
        auto printRow = [](std::string_view description, std::string_view value) {
                if (value.empty()) return;
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted(description);
                }
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted(value);
                }
        };
 
        printRow("Title",   romInfo.getTitle(buf));
        printRow("Year",    romInfo.getYear(buf));
        printRow("Company", romInfo.getCompany(buf));
        printRow("Country", romInfo.getCountry(buf));
        auto status = [&]{
                auto str = romInfo.getOrigType(buf);
                if (romInfo.getOriginal()) {
                        std::string result = "Unmodified dump";
                        if (!str.empty()) {
                                strAppend(result, " (confirmed by ", str, ')');
                        }
                        return result;
                } else {
                        return std::string(str);
                }
        }();
        printRow("Status", status);
        printRow("Remark", romInfo.getRemark(buf));
}
 
static void printRomInfo(ImGuiManager& manager, const TclObject& mediaTopic, std::string_view filename, RomType romType)
{
        im::Table("##extension-info", 2, [&]{
                ImGui::TableSetupColumn("description", ImGuiTableColumnFlags_WidthFixed);
                ImGui::TableSetupColumn("value", ImGuiTableColumnFlags_WidthStretch);
 
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted("Filename"sv);
                }
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted(leftClip(filename, ImGui::GetContentRegionAvail().x));
                }
 
                const auto& database = manager.getReactor().getSoftwareDatabase();
                const auto* romInfo = [&]() -> const RomInfo* {
                        if (auto actual = mediaTopic.getOptionalDictValue(TclObject("actualSHA1"))) {
                                if (const auto* info = database.fetchRomInfo(Sha1Sum(actual->getString()))) {
                                        return info;
                                }
                        }
                        if (auto original = mediaTopic.getOptionalDictValue(TclObject("originalSHA1"))) {
                                if (const auto* info = database.fetchRomInfo(Sha1Sum(original->getString()))) {
                                        return info;
                                }
                        }
                        return nullptr;
                }();
                if (romInfo) {
                        ImGuiMedia::printDatabase(*romInfo, database.getBufferStart());
                }
 
                std::string mapperStr{RomInfo::romTypeToName(romType)};
                if (romInfo) {
                        if (auto dbType = romInfo->getRomType();
                        dbType != RomType::UNKNOWN && dbType != romType) {
                                strAppend(mapperStr, " (database: ", RomInfo::romTypeToName(dbType), ')');
                        }
                }
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted("Mapper"sv);
                }
                if (ImGui::TableNextColumn()) {
                        ImGui::TextUnformatted(mapperStr);
                }
        });
}
 
TclObject ImGuiMedia::showCartridgeInfo(std::string_view mediaName, CartridgeMediaInfo& info, int slot)
{
        TclObject currentTarget;
        auto cmdResult = manager.execute(makeTclList("machine_info", "media", mediaName));
        if (!cmdResult) return currentTarget;
 
        using enum SelectCartridgeType;
        auto selectType = [&]{
                if (auto type = cmdResult->getOptionalDictValue(TclObject("type"))) {
                        auto s = type->getString();
                        if (s == "extension") {
                                return EXTENSION;
                        } else {
                                assert(s == "rom");
                                return IMAGE;
                        }
                } else {
                        return EMPTY;
                }
        }();
        auto currentPatches = getPatches(*cmdResult);
 
        bool copyCurrent = ImGui::SmallButton("Current cartridge");
        const auto& slotManager = manager.getReactor().getMotherBoard()->getSlotManager();
        ImGui::SameLine();
        ImGui::TextUnformatted(tmpStrCat("(slot ", slotManager.getPsSsString(slot), ')'));
 
        RomType currentRomType = RomType::UNKNOWN;
        im::Indent([&]{
                if (selectType == EMPTY) {
                        ImGui::TextUnformatted("No cartridge inserted"sv);
                } else if (auto target = cmdResult->getOptionalDictValue(TclObject("target"))) {
                        currentTarget = *target;
                        if (selectType == EXTENSION) {
                                if (auto* i = findExtensionInfo(target->getString())) {
                                        printExtensionInfo(*i);
                                }
                        } else if (selectType == IMAGE) {
                                if (auto mapper = cmdResult->getOptionalDictValue(TclObject("mappertype"))) {
                                        currentRomType = RomInfo::nameToRomType(mapper->getString());
                                }
                                printRomInfo(manager, *cmdResult, target->getString(), currentRomType);
                                printPatches(currentPatches);
                        }
                }
        });
        if (copyCurrent) {
                info.select = selectType;
                auto& edit = info.groups[selectType].edit;
                edit.name = currentTarget.getString();
                edit.ipsPatches = to_vector<std::string>(currentPatches);
                edit.romType = currentRomType;
        }
        ImGui::Separator();
        return currentTarget;
}
 
void ImGuiMedia::diskMenu(int i)
{
        auto& info = diskMediaInfo[i];
        auto mediaName = strCat("disk", char('a' + i));
        auto displayName = strCat("Disk Drive ", char('A' + i));
        ImGui::SetNextWindowSize(gl::vec2{29, 22} * ImGui::GetFontSize(), ImGuiCond_FirstUseEver);
        im::Window(displayName.c_str(), &info.show, [&]{
                auto current = showDiskInfo(mediaName, info);
                im::Child("select", {0, -ImGui::GetFrameHeightWithSpacing()}, [&]{
                        using enum SelectDiskType;
                        ImGui::TextUnformatted("Select new disk"sv);
 
                        ImGui::RadioButton("disk image", std::bit_cast<int*>(&info.select), to_underlying(IMAGE));
                        im::VisuallyDisabled(info.select != IMAGE, [&]{
                                im::Indent([&]{
                                        auto& group = info.groups[IMAGE];
                                        auto createNew = [&]{
                                                manager.openFile->selectNewFile(
                                                        "Select name for new blank disk image",
                                                        "Disk images (*.dsk){.dsk}",
                                                        [&](const auto& fn) {
                                                                group.edit.name = fn;
                                                                auto& diskManipulator = manager.getReactor().getDiskManipulator();
                                                                try {
                                                                        diskManipulator.create(fn, MSXBootSectorType::DOS2, {1440});
                                                                } catch (MSXException& e) {
                                                                        manager.printError("Couldn't create new disk image: ", e.getMessage());
                                                                }
                                                        },
                                                        current.getString());
                                        };
                                        bool interacted = selectImage(
                                                group, strCat("Select disk image for ", displayName), &diskFilter,
                                                current.getString(), std::identity{}, createNew);
                                        interacted |= selectPatches(group.edit, group.patchIndex);
                                        if (interacted) info.select = IMAGE;
                                });
                        });
                        ImGui::RadioButton("dir as disk", std::bit_cast<int*>(&info.select), to_underlying(DIR_AS_DISK));
                        im::VisuallyDisabled(info.select != DIR_AS_DISK, [&]{
                                im::Indent([&]{
                                        auto& group = info.groups[DIR_AS_DISK];
                                        auto createNew = [&]{
                                                manager.openFile->selectNewFile(
                                                        "Select name for new empty directory",
                                                        "",
                                                        [&](const auto& fn) {
                                                                group.edit.name = fn;
                                                                try {
                                                                        FileOperations::mkdirp(fn);
                                                                } catch (MSXException& e) {
                                                                        manager.printError("Couldn't create directory: ", e.getMessage());
                                                                }
                                                        },
                                                        current.getString());
                                        };
                                        bool interacted = selectDirectory(
                                                group, strCat("Select directory for ", displayName),
                                                current.getString(), createNew);
                                        if (interacted) info.select = DIR_AS_DISK;
                                });
                        });
                        ImGui::RadioButton("RAM disk", std::bit_cast<int*>(&info.select), to_underlying(RAMDISK));
                        if (!current.empty()) {
                                ImGui::RadioButton("Eject", std::bit_cast<int*>(&info.select), to_underlying(EMPTY));
                        }
                });
                insertMediaButton(mediaName, info.groups[info.select], &info.show);
        });
}
 
void ImGuiMedia::cartridgeMenu(int cartNum)
{
        auto& info = cartridgeMediaInfo[cartNum];
        auto displayName = strCat("Cartridge Slot ", char('A' + cartNum));
        ImGui::SetNextWindowSize(gl::vec2{37, 30} * ImGui::GetFontSize(), ImGuiCond_FirstUseEver);
        im::Window(displayName.c_str(), &info.show, [&]{
                using enum SelectCartridgeType;
                auto cartName = strCat("cart", char('a' + cartNum));
                auto extName = strCat("ext", char('a' + cartNum));
 
                auto current = showCartridgeInfo(cartName, info, cartNum);
 
                im::Child("select", {0, -ImGui::GetFrameHeightWithSpacing()}, [&]{
                        ImGui::TextUnformatted("Select new cartridge:"sv);
 
                        ImGui::RadioButton("ROM image", std::bit_cast<int*>(&info.select), to_underlying(IMAGE));
                        im::VisuallyDisabled(info.select != IMAGE, [&]{
                                im::Indent([&]{
                                        auto& group = info.groups[IMAGE];
                                        auto& item = group.edit;
                                        bool interacted = selectImage(
                                                group, strCat("Select ROM image for ", displayName), &romFilter, current.getString());
                                                //[&](const std::string& filename) { return displayNameForRom(filename); }); // not needed?
                                        const auto& style = ImGui::GetStyle();
                                        ImGui::SetNextItemWidth(-(ImGui::CalcTextSize("mapper-type").x + style.ItemInnerSpacing.x));
                                        interacted |= selectMapperType("mapper-type", item.romType);
                                        interacted |= selectPatches(item, group.patchIndex);
                                        interacted |= ImGui::Checkbox("Reset MSX on inserting ROM", &resetOnInsertRom);
                                        if (interacted) info.select = IMAGE;
                                });
                        });
                        ImGui::RadioButton("extension", std::bit_cast<int*>(&info.select), to_underlying(EXTENSION));
                        im::VisuallyDisabled(info.select != EXTENSION, [&]{
                                im::Indent([&]{
                                        auto& allExtensions = getAllExtensions();
                                        auto& group = info.groups[EXTENSION];
                                        auto& item = group.edit;
 
                                        bool interacted = drawExtensionFilter();
 
                                        auto drawExtensions = [&]{
                                                auto filteredExtensions = to_vector(xrange(allExtensions.size()));
                                                applyComboFilter("Type", filterType, allExtensions, filteredExtensions);
                                                applyDisplayNameFilter(filterString, allExtensions, filteredExtensions);
 
                                                im::ListClipper(filteredExtensions.size(), [&](int i) {
                                                        auto& ext = allExtensions[filteredExtensions[i]];
                                                        bool ok = getTestResult(ext).empty();
                                                        im::StyleColor(!ok, ImGuiCol_Text, getColor(imColor::ERROR), [&]{
                                                                if (ImGui::Selectable(ext.displayName.c_str(), item.name == ext.configName)) {
                                                                        interacted = true;
                                                                        item.name = ext.configName;
                                                                }
                                                                if (ImGui::IsMouseDoubleClicked(ImGuiMouseButton_Left)) {
                                                                        insertMedia(extName, group.edit); // Apply
                                                                }
                                                                extensionTooltip(ext);
                                                        });
                                                });
                                        };
                                        if (filterOpen) {
                                                im::ListBox("##list", [&]{
                                                        drawExtensions();
                                                });
                                        } else {
                                                im::Combo("##extension", displayNameForExtension(item.name).c_str(), [&]{
                                                        drawExtensions();
                                                });
                                        }
 
                                        interacted |= ImGui::IsItemActive();
                                        if (interacted) info.select = EXTENSION;
                                });
                        });
                        if (!current.empty()) {
                                ImGui::RadioButton("Eject", std::bit_cast<int*>(&info.select), to_underlying(EMPTY));
                        }
                });
                if (insertMediaButton(info.select == EXTENSION ? extName : cartName,
                                      info.groups[info.select], &info.show)) {
                        if (resetOnInsertRom && info.select == IMAGE) {
                                manager.executeDelayed(TclObject("reset"));
                        }
                }
        });
}
 
static void addRecentItem(ImGuiMedia::ItemGroup& group, const ImGuiMedia::MediaItem& item)
{
        auto& recent = group.recent;
        if (auto it2 = ranges::find(recent, item); it2 != recent.end()) {
                // was already present, move to front
                std::rotate(recent.begin(), it2, it2 + 1);
        } else {
                // new entry, add it, but possibly remove oldest entry
                if (recent.full()) recent.pop_back();
                recent.push_front(item);
        }
}
 
static void RenderPlay(gl::vec2 center, ImDrawList* drawList)
{
        float half = 0.4f * ImGui::GetTextLineHeight();
        auto p1 = center + gl::vec2(half, 0.0f);
        auto p2 = center + gl::vec2(-half, half);
        auto p3 = center + gl::vec2(-half, -half);
        drawList->AddTriangleFilled(p1, p2, p3, getColor(imColor::TEXT));
}
static void RenderRewind(gl::vec2 center, ImDrawList* drawList)
{
        float size = 0.8f * ImGui::GetTextLineHeight();
        float half = size * 0.5f;
        auto color = getColor(imColor::TEXT);
        auto p1 = center + gl::vec2(-size, 0.0f);
        auto p2 = center + gl::vec2(0.0f, -half);
        auto p3 = center + gl::vec2(0.0f, half);
        drawList->AddTriangleFilled(p1, p2, p3, color);
        gl::vec2 offset{size, 0.0f};
        p1 += offset;
        p2 += offset;
        p3 += offset;
        drawList->AddTriangleFilled(p1, p2, p3, color);
}
static void RenderStop(gl::vec2 center, ImDrawList* drawList)
{
        gl::vec2 half{0.4f * ImGui::GetTextLineHeight()};
        drawList->AddRectFilled(center - half, center + half, getColor(imColor::TEXT));
}
static void RenderRecord(gl::vec2 center, ImDrawList* drawList)
{
        float radius = 0.4f * ImGui::GetTextLineHeight();
        drawList->AddCircleFilled(center, radius, getColor(imColor::TEXT));
}
 
 
void ImGuiMedia::cassetteMenu(CassettePlayer& cassettePlayer)
{
        ImGui::SetNextWindowSize(gl::vec2{29, 21} * ImGui::GetFontSize(), ImGuiCond_FirstUseEver);
        auto& info = cassetteMediaInfo;
        auto& group = info.group;
        im::Window("Tape Deck", &info.show, [&]{
                ImGui::TextUnformatted("Current tape"sv);
                auto current = cassettePlayer.getImageName().getResolved();
                im::Indent([&]{
                        if (current.empty()) {
                                ImGui::TextUnformatted("No tape inserted"sv);
                        } else {
                                ImGui::TextUnformatted("Tape image:"sv);
                                ImGui::SameLine();
                                ImGui::TextUnformatted(leftClip(current, ImGui::GetContentRegionAvail().x));
                        }
                });
                im::Disabled(current.empty(), [&]{
                        if (ImGui::Button("Eject")) {
                                manager.executeDelayed(makeTclList("cassetteplayer", "eject"));
                        }
                });
                ImGui::Separator();
 
                ImGui::TextUnformatted("Controls"sv);
                im::Indent([&]{
                        auto status = cassettePlayer.getState();
                        auto size = ImGui::GetFrameHeightWithSpacing();
                        if (ButtonWithCustomRendering("##Play", {2.0f * size, size}, status == CassettePlayer::State::PLAY, RenderPlay)) {
                                manager.executeDelayed(makeTclList("cassetteplayer", "play"));
                        }
                        ImGui::SameLine();
                        if (ButtonWithCustomRendering("##Rewind", {2.0f * size, size}, false, RenderRewind)) {
                                manager.executeDelayed(makeTclList("cassetteplayer", "rewind"));
                        }
                        ImGui::SameLine();
                        if (ButtonWithCustomRendering("##Stop", {2.0f * size, size}, status == CassettePlayer::State::STOP, RenderStop)) {
                                // nothing, this button only exists to indicate stop-state
                        }
                        ImGui::SameLine();
                        if (ButtonWithCustomRendering("##Record", {2.0f * size, size}, status == CassettePlayer::State::RECORD, RenderRecord)) {
                                manager.openFile->selectNewFile(
                                        "Select new wav file for record",
                                        "Tape images (*.wav){.wav}",
                                        [&](const auto& fn) {
                                                group.edit.name = fn;
                                                manager.executeDelayed(makeTclList("cassetteplayer", "new", fn),
                                                        [&group](const TclObject&) {
                                                                // only add to 'recent' when command succeeded
                                                                addRecentItem(group, group.edit);
                                                        });
                                        },
                                        current);
                        }
 
                        const auto& style = ImGui::GetStyle();
                        ImGui::SameLine(0.0f, 3.0f * style.ItemSpacing.x);
                        const auto& reactor = manager.getReactor();
                        const auto& motherBoard = reactor.getMotherBoard();
                        const auto now = motherBoard->getCurrentTime();
                        auto length = cassettePlayer.getTapeLength(now);
                        auto pos = cassettePlayer.getTapePos(now);
                        auto format = [](float time) {
                                int t = narrow_cast<int>(time); // truncated to seconds
                                int s = t % 60; t /= 60;
                                int m = t % 60; t /= 60;
                                std::ostringstream os;
                                os << std::setfill('0');
                                if (t) os << std::setw(2) << t << ':';
                                os << std::setw(2) << m << ':';
                                os << std::setw(2) << s;
                                return os.str();
                        };
                        auto parse = [](std::string_view str) -> std::optional<unsigned> {
                                auto [head, seconds] = StringOp::splitOnLast(str, ':');
                                auto s = StringOp::stringTo<unsigned>(seconds);
                                if (!s) return {};
                                unsigned result = *s;
 
                                if (!head.empty()) {
                                        auto [hours, minutes] = StringOp::splitOnLast(head, ':');
                                        auto m = StringOp::stringTo<unsigned>(minutes);
                                        if (!m) return {};
                                        result += *m * 60;
 
                                        if (!hours.empty()) {
                                                auto h = StringOp::stringTo<unsigned>(hours);
                                                if (!h) return {};
                                                result += *h * 60 * 60;
                                        }
                                }
                                return result;
                        };
                        auto posStr = format(pos);
                        ImGui::SetNextItemWidth(ImGui::CalcTextSize(std::string_view(posStr)).x + 2.0f * style.FramePadding.x);
                        if (ImGui::InputText("##pos", &posStr, ImGuiInputTextFlags_EnterReturnsTrue)) {
                                if (auto newPos = parse(posStr)) {
                                        manager.executeDelayed(makeTclList("cassetteplayer", "setpos", *newPos));
                                }
                        }
                        simpleToolTip("Indicates the current position of the tape, but can be edited to change the position manual (like fast forward)");
 
                        ImGui::SameLine();
                        ImGui::Text("/ %s", format(length).c_str());
 
                        const auto& controller = motherBoard->getMSXCommandController();
                        const auto& hotKey = reactor.getHotKey();
                        if (auto* autoRun = dynamic_cast<BooleanSetting*>(controller.findSetting("autoruncassettes"))) {
                                Checkbox(hotKey, "(try to) Auto Run", *autoRun);
                        }
                        if (auto* mute = dynamic_cast<BooleanSetting*>(controller.findSetting("cassetteplayer_ch1_mute"))) {
                                Checkbox(hotKey, "Mute tape audio", *mute, [](const Setting&) { return std::string{}; });
                        }
                        bool enabled = cassettePlayer.isMotorControlEnabled();
                        bool changed = ImGui::Checkbox("Motor control enabled", &enabled);
                        if (changed) {
                                manager.execute(makeTclList("cassetteplayer", "motorcontrol", enabled ? "on" : "off"));
                        }
                        simpleToolTip("Enable or disable motor control. Disable in some rare cases where you don't want the motor of the player to be controlled by the MSX, e.g. for CD-Sequential.");
 
                });
                ImGui::Separator();
 
                im::Child("select", {0, -ImGui::GetFrameHeightWithSpacing()}, [&]{
                        ImGui::TextUnformatted("Select new tape:"sv);
                        im::Indent([&]{
                                selectImage(group, "Select tape image", &cassetteFilter, current);
                        });
                });
                insertMediaButton("cassetteplayer", group, &info.show);
        });
}
 
void ImGuiMedia::insertMedia(std::string_view mediaName, const MediaItem& item)
{
        TclObject cmd = makeTclList(mediaName);
        if (item.isEject()) {
                cmd.addListElement("eject");
        } else {
                if (item.name.empty()) return;
                cmd.addListElement("insert", item.name);
                for (const auto& patch : item.ipsPatches) {
                        cmd.addListElement("-ips", patch);
                }
                if (item.romType != RomType::UNKNOWN) {
                        cmd.addListElement("-romtype", RomInfo::romTypeToName(item.romType));
                }
        }
        manager.executeDelayed(cmd,
                [this, cmd](const TclObject&) {
                        // only add to 'recent' when insert command succeeded
                        addRecent(cmd);
                });
}
 
void ImGuiMedia::addRecent(const TclObject& cmd)
{
        auto n = cmd.size();
        if (n < 3) return;
        if (cmd.getListIndexUnchecked(1).getString() != "insert") return;
 
        auto* group = [&]{
                auto mediaName = cmd.getListIndexUnchecked(0).getString();
                if (mediaName.starts_with("cart")) {
                        if (int i = mediaName[4] - 'a'; 0 <= i && i < int(CartridgeSlotManager::MAX_SLOTS)) {
                                return &cartridgeMediaInfo[i].groups[SelectCartridgeType::IMAGE];
                        }
                } else if (mediaName.starts_with("disk")) {
                        if (int i = mediaName[4] - 'a'; 0 <= i && i < int(RealDrive::MAX_DRIVES)) {
                                return &diskMediaInfo[i].groups[SelectDiskType::IMAGE];
                        }
                } else if (mediaName.starts_with("hd")) {
                        if (int i = mediaName[2] - 'a'; 0 <= i && i < int(HD::MAX_HD)) {
                                return &hdMediaInfo[i];
                        }
                } else if (mediaName.starts_with("cd")) {
                        if (int i = mediaName[2] - 'a'; 0 <= i && i < int(IDECDROM::MAX_CD)) {
                                return &cdMediaInfo[i];
                        }
                } else if (mediaName == "cassetteplayer") {
                        return &cassetteMediaInfo.group;
                } else if (mediaName == "laserdiscplayer") {
                        return &laserdiscMediaInfo;
                } else if (mediaName == "ext") {
                        return &extensionMediaInfo;
                }
                return static_cast<ItemGroup*>(nullptr);
        }();
        if (!group) return;
 
        MediaItem item;
        item.name = cmd.getListIndexUnchecked(2).getString();
        unsigned i = 3;
        while (i < n) {
                auto option = cmd.getListIndexUnchecked(i);
                ++i;
                if (option == "-ips" && i < n) {
                        item.ipsPatches.emplace_back(cmd.getListIndexUnchecked(i).getString());
                        ++i;
                }
                if (option == "-romtype" && i < n) {
                        item.romType = RomInfo::nameToRomType(cmd.getListIndexUnchecked(i).getString());
                        ++i;
                }
        }
 
        addRecentItem(*group, item);
}
 
 
} // namespace openmsx