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|
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
#include "qt_common/util/game.h"
#include "common/fs/fs.h"
#include "common/fs/path_util.h"
#include "core/file_sys/savedata_factory.h"
#include "core/hle/service/am/am_types.h"
#include "frontend_common/content_manager.h"
#include "qt_common/abstract/frontend.h"
#include "qt_common/config/uisettings.h"
#include "qt_common/qt_common.h"
#include <QDesktopServices>
#include <QStandardPaths>
#include <QUrl>
#ifdef _WIN32
#include <shlobj.h>
#include <windows.h>
#include "common/scope_exit.h"
#include "common/string_util.h"
#include "common/fs/file.h"
#else
#include <fstream>
#include "fmt/ostream.h"
#endif
namespace QtCommon::Game {
bool CreateShortcutLink(const std::filesystem::path& shortcut_path, const std::string& comment,
const std::filesystem::path& icon_path,
const std::filesystem::path& command, const std::string& arguments,
const std::string& categories, const std::string& keywords,
const std::string& name) try {
#ifdef _WIN32 // Windows
HRESULT hr = CoInitialize(nullptr);
if (FAILED(hr)) {
LOG_ERROR(Frontend, "CoInitialize failed");
return false;
}
SCOPE_EXIT {
CoUninitialize();
};
IShellLinkW* ps1 = nullptr;
IPersistFile* persist_file = nullptr;
SCOPE_EXIT {
if (persist_file != nullptr) {
persist_file->Release();
}
if (ps1 != nullptr) {
ps1->Release();
}
};
HRESULT hres = CoCreateInstance(CLSID_ShellLink, nullptr, CLSCTX_INPROC_SERVER, IID_IShellLinkW,
reinterpret_cast<void**>(&ps1));
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to create IShellLinkW instance");
return false;
}
hres = ps1->SetPath(command.c_str());
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to set path");
return false;
}
if (!arguments.empty()) {
hres = ps1->SetArguments(Common::UTF8ToUTF16W(arguments).data());
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to set arguments");
return false;
}
}
if (!comment.empty()) {
hres = ps1->SetDescription(Common::UTF8ToUTF16W(comment).data());
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to set description");
return false;
}
}
if (std::filesystem::is_regular_file(icon_path)) {
hres = ps1->SetIconLocation(icon_path.c_str(), 0);
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to set icon location");
return false;
}
}
hres = ps1->QueryInterface(IID_IPersistFile, reinterpret_cast<void**>(&persist_file));
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to get IPersistFile interface");
return false;
}
hres = persist_file->Save(
std::filesystem::path{shortcut_path / (Common::UTF8ToUTF16W(name) + L".lnk")}.c_str(),
TRUE);
if (FAILED(hres)) {
LOG_ERROR(Frontend, "Failed to save shortcut");
return false;
}
return true;
#elif defined(__unix__) && !defined(__APPLE__) && !defined(__ANDROID__) // Any desktop NIX
std::filesystem::path shortcut_path_full = shortcut_path / (name + ".desktop");
std::ofstream shortcut_stream(shortcut_path_full, std::ios::binary | std::ios::trunc);
if (!shortcut_stream.is_open()) {
LOG_ERROR(Frontend, "Failed to create shortcut");
return false;
}
// TODO: Migrate fmt::print to std::print in futures STD C++ 23.
fmt::print(shortcut_stream, "[Desktop Entry]\n");
fmt::print(shortcut_stream, "Type=Application\n");
fmt::print(shortcut_stream, "Version=1.0\n");
fmt::print(shortcut_stream, "Name={}\n", name);
if (!comment.empty()) {
fmt::print(shortcut_stream, "Comment={}\n", comment);
}
if (std::filesystem::is_regular_file(icon_path)) {
fmt::print(shortcut_stream, "Icon={}\n", icon_path.string());
}
fmt::print(shortcut_stream, "TryExec={}\n", command.string());
fmt::print(shortcut_stream, "Exec={} {}\n", command.string(), arguments);
if (!categories.empty()) {
fmt::print(shortcut_stream, "Categories={}\n", categories);
}
if (!keywords.empty()) {
fmt::print(shortcut_stream, "Keywords={}\n", keywords);
}
return true;
#else // Unsupported platform
return false;
#endif
} catch (const std::exception& e) {
LOG_ERROR(Frontend, "Failed to create shortcut: {}", e.what());
return false;
}
bool MakeShortcutIcoPath(const u64 program_id, const std::string_view game_file_name,
std::filesystem::path& out_icon_path) {
// Get path to Yuzu icons directory & icon extension
std::string ico_extension = "png";
#if defined(_WIN32)
out_icon_path = Common::FS::GetEdenPath(Common::FS::EdenPath::IconsDir);
ico_extension = "ico";
#elif !defined(__ANDROID__) // Any *nix but android
out_icon_path = Common::FS::GetDataDirectory("XDG_DATA_HOME") / "icons/hicolor/256x256";
#endif
// Create icons directory if it doesn't exist
if (!Common::FS::CreateDirs(out_icon_path)) {
out_icon_path.clear();
return false;
}
// Create icon file path
out_icon_path /= (program_id == 0 ? fmt::format("eden-{}.{}", game_file_name, ico_extension)
: fmt::format("eden-{:016X}.{}", program_id, ico_extension));
return true;
}
void OpenEdenFolder(const Common::FS::EdenPath& path) {
QDesktopServices::openUrl(
QUrl::fromLocalFile(QString::fromStdString(Common::FS::GetEdenPathString(path))));
}
void OpenRootDataFolder() {
OpenEdenFolder(Common::FS::EdenPath::EdenDir);
}
void OpenNANDFolder() {
OpenEdenFolder(Common::FS::EdenPath::NANDDir);
}
void OpenSaveFolder() {
const auto path =
Common::FS::GetEdenPath(Common::FS::EdenPath::NANDDir) / "user/save/0000000000000000";
QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromStdString(path.string())));
}
void OpenSDMCFolder() {
OpenEdenFolder(Common::FS::EdenPath::SDMCDir);
}
void OpenModFolder() {
OpenEdenFolder(Common::FS::EdenPath::LoadDir);
}
void OpenLogFolder() {
OpenEdenFolder(Common::FS::EdenPath::LogDir);
}
static QString GetGameListErrorRemoving(QtCommon::Game::InstalledEntryType type) {
switch (type) {
case QtCommon::Game::InstalledEntryType::Game:
return tr("Error Removing Contents");
case QtCommon::Game::InstalledEntryType::Update:
return tr("Error Removing Update");
case QtCommon::Game::InstalledEntryType::AddOnContent:
return tr("Error Removing DLC");
default:
return QStringLiteral("Error Removing <Invalid Type>");
}
}
// Game Content //
void RemoveBaseContent(u64 program_id, InstalledEntryType type) {
const auto res =
ContentManager::RemoveBaseContent(system->GetFileSystemController(), program_id);
if (res) {
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed the installed base game."));
} else {
QtCommon::Frontend::Warning(
GetGameListErrorRemoving(type),
tr("The base game is not installed in the NAND and cannot be removed."));
}
}
void RemoveUpdateContent(u64 program_id, InstalledEntryType type) {
const auto res = ContentManager::RemoveUpdate(system->GetFileSystemController(), program_id);
if (res) {
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed the installed update."));
} else {
QtCommon::Frontend::Warning(GetGameListErrorRemoving(type),
tr("There is no update installed for this title."));
}
}
void RemoveAddOnContent(u64 program_id, InstalledEntryType type) {
const size_t count = ContentManager::RemoveAllDLC(*system, program_id);
if (count == 0) {
QtCommon::Frontend::Warning(GetGameListErrorRemoving(type),
tr("There are no DLCs installed for this title."));
return;
}
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed %1 installed DLC.").arg(count));
}
// Global Content //
void RemoveTransferableShaderCache(u64 program_id, GameListRemoveTarget target) {
const auto target_file_name = [target] {
switch (target) {
case GameListRemoveTarget::GlShaderCache:
return "opengl.bin";
case GameListRemoveTarget::VkShaderCache:
return "vulkan.bin";
default:
return "";
}
}();
const auto shader_cache_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
const auto shader_cache_folder_path = shader_cache_dir / fmt::format("{:016x}", program_id);
const auto target_file = shader_cache_folder_path / target_file_name;
if (!Common::FS::Exists(target_file)) {
QtCommon::Frontend::Warning(tr("Error Removing Transferable Shader Cache"),
tr("A shader cache for this title does not exist."));
return;
}
if (Common::FS::RemoveFile(target_file)) {
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed the transferable shader cache."));
} else {
QtCommon::Frontend::Warning(tr("Error Removing Transferable Shader Cache"),
tr("Failed to remove the transferable shader cache."));
}
}
void RemoveVulkanDriverPipelineCache(u64 program_id) {
static constexpr std::string_view target_file_name = "vulkan_pipelines.bin";
const auto shader_cache_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
const auto shader_cache_folder_path = shader_cache_dir / fmt::format("{:016x}", program_id);
const auto target_file = shader_cache_folder_path / target_file_name;
if (!Common::FS::Exists(target_file)) {
return;
}
if (!Common::FS::RemoveFile(target_file)) {
QtCommon::Frontend::Warning(tr("Error Removing Vulkan Driver Pipeline Cache"),
tr("Failed to remove the driver pipeline cache."));
}
}
void RemoveAllTransferableShaderCaches(u64 program_id) {
const auto shader_cache_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::ShaderDir);
const auto program_shader_cache_dir = shader_cache_dir / fmt::format("{:016x}", program_id);
if (!Common::FS::Exists(program_shader_cache_dir)) {
QtCommon::Frontend::Warning(tr("Error Removing Transferable Shader Caches"),
tr("A shader cache for this title does not exist."));
return;
}
if (Common::FS::RemoveDirRecursively(program_shader_cache_dir)) {
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed the transferable shader caches."));
} else {
QtCommon::Frontend::Warning(
tr("Error Removing Transferable Shader Caches"),
tr("Failed to remove the transferable shader cache directory."));
}
}
void RemoveCustomConfiguration(u64 program_id, const std::string& game_path) {
const auto file_path = std::filesystem::path(Common::FS::ToU8String(game_path));
const auto config_file_name =
program_id == 0 ? Common::FS::PathToUTF8String(file_path.filename()).append(".ini")
: fmt::format("{:016X}.ini", program_id);
const auto custom_config_file_path =
Common::FS::GetEdenPath(Common::FS::EdenPath::ConfigDir) / "custom" / config_file_name;
if (!Common::FS::Exists(custom_config_file_path)) {
QtCommon::Frontend::Warning(tr("Error Removing Custom Configuration"),
tr("A custom configuration for this title does not exist."));
return;
}
if (Common::FS::RemoveFile(custom_config_file_path)) {
QtCommon::Frontend::Information(tr("Successfully Removed"),
tr("Successfully removed the custom game configuration."));
} else {
QtCommon::Frontend::Warning(tr("Error Removing Custom Configuration"),
tr("Failed to remove the custom game configuration."));
}
}
void RemoveCacheStorage(u64 program_id) {
const auto nand_dir = Common::FS::GetEdenPath(Common::FS::EdenPath::NANDDir);
auto vfs_nand_dir =
vfs->OpenDirectory(Common::FS::PathToUTF8String(nand_dir), FileSys::OpenMode::Read);
const auto cache_storage_path = FileSys::SaveDataFactory::GetFullPath(
{}, vfs_nand_dir, FileSys::SaveDataSpaceId::User, FileSys::SaveDataType::Cache,
0 /* program_id */, {}, 0);
const auto path = Common::FS::ConcatPathSafe(nand_dir, cache_storage_path);
// Not an error if it wasn't cleared.
Common::FS::RemoveDirRecursively(path);
}
// Metadata //
void ResetMetadata(bool show_message) {
const QString title = tr("Reset Metadata Cache");
if (!Common::FS::Exists(Common::FS::GetEdenPath(Common::FS::EdenPath::CacheDir) /
"game_list/")) {
if (show_message)
QtCommon::Frontend::Warning(rootObject, title,
tr("The metadata cache is already empty."));
} else if (Common::FS::RemoveDirRecursively(
Common::FS::GetEdenPath(Common::FS::EdenPath::CacheDir) / "game_list")) {
if (show_message)
QtCommon::Frontend::Information(rootObject, title,
tr("The operation completed successfully."));
UISettings::values.is_game_list_reload_pending.exchange(true);
} else {
if (show_message)
QtCommon::Frontend::Warning(
title,
tr("The metadata cache couldn't be deleted. It might be in use or non-existent."));
}
}
// Uhhh //
// TODO(crueter): Make QtCommon::Shortcut
// Messages in pre-defined message boxes for less code spaghetti
inline constexpr bool CreateShortcutMessagesGUI(ShortcutMessages imsg, const QString& game_title) {
int result = 0;
using namespace QtCommon::Frontend;
int buttons;
switch (imsg) {
case ShortcutMessages::Fullscreen:
buttons = Yes | No;
result = QtCommon::Frontend::Information(
tr("Create Shortcut"), tr("Do you want to launch the game in fullscreen?"), buttons);
return result == Yes;
case ShortcutMessages::Success:
QtCommon::Frontend::Information(
tr("Shortcut Created"), tr("Successfully created a shortcut to %1").arg(game_title));
return false;
case ShortcutMessages::Volatile:
buttons = Ok | Cancel;
result = QtCommon::Frontend::Warning(
tr("Shortcut may be Volatile!"),
tr("This will create a shortcut to the current AppImage. This may "
"not work well if you update. Continue?"),
buttons);
return result == Ok;
default:
buttons = Ok;
QtCommon::Frontend::Critical(tr("Failed to Create Shortcut"),
tr("Failed to create a shortcut to %1").arg(game_title),
buttons);
return false;
}
}
void CreateShortcut(const std::string& game_path, const u64 program_id,
const std::string& game_title_, const ShortcutTarget& target,
std::string arguments_, const bool needs_title) {
// Get path to Eden executable
std::filesystem::path command = GetEdenCommand();
// Shortcut path
std::filesystem::path shortcut_path = GetShortcutPath(target);
if (!std::filesystem::exists(shortcut_path)) {
CreateShortcutMessagesGUI(ShortcutMessages::Failed,
QString::fromStdString(shortcut_path.generic_string()));
LOG_ERROR(Frontend, "Invalid shortcut target {}", shortcut_path.generic_string());
return;
}
const FileSys::PatchManager pm{program_id, QtCommon::system->GetFileSystemController(),
QtCommon::system->GetContentProvider()};
const auto control = pm.GetControlMetadata();
const auto loader = Loader::GetLoader(
*QtCommon::system, QtCommon::vfs->OpenFile(game_path, FileSys::OpenMode::Read));
std::string game_title{game_title_};
// Delete illegal characters from title
if (needs_title) {
game_title = fmt::format("{:016X}", program_id);
if (control.first != nullptr) {
game_title = control.first->GetApplicationName();
} else if (loader != nullptr) {
loader->ReadTitle(game_title);
} else {
LOG_WARNING(Frontend, "Could not load game title from {:s}", game_path);
}
}
const std::string illegal_chars = "<>:\"/\\|?*.";
for (auto it = game_title.rbegin(); it != game_title.rend(); ++it) {
if (illegal_chars.find(*it) != std::string::npos) {
game_title.erase(it.base() - 1);
}
}
const QString qgame_title = QString::fromStdString(game_title);
// Get icon from game file
std::vector<u8> icon_image_file{};
if (control.second != nullptr) {
icon_image_file = control.second->ReadAllBytes();
} else if (loader == nullptr ||
loader->ReadIcon(icon_image_file) != Loader::ResultStatus::Success) {
LOG_WARNING(Frontend, "Could not read icon from {:s}", game_path);
}
QImage icon_data =
QImage::fromData(icon_image_file.data(), static_cast<int>(icon_image_file.size()));
std::filesystem::path out_icon_path;
if (QtCommon::Game::MakeShortcutIcoPath(program_id, game_title, out_icon_path)) {
if (!SaveIconToFile(out_icon_path, icon_data)) {
LOG_ERROR(Frontend, "Could not write icon to file");
}
} else {
QtCommon::Frontend::Critical(
tr("Create Icon"),
tr("Cannot create icon file. Path \"%1\" does not exist and cannot be created.")
.arg(QString::fromStdString(out_icon_path.string())));
}
#if defined(__unix__) && !defined(__APPLE__) && !defined(__ANDROID__)
// Special case for AppImages
// Warn once if we are making a shortcut to a volatile AppImage
if (command.string().ends_with(".AppImage") && !UISettings::values.shortcut_already_warned) {
if (!CreateShortcutMessagesGUI(ShortcutMessages::Volatile, qgame_title)) {
return;
}
UISettings::values.shortcut_already_warned = true;
}
#endif
// Create shortcut
std::string arguments{arguments_};
if (CreateShortcutMessagesGUI(ShortcutMessages::Fullscreen, qgame_title)) {
arguments = "-f " + arguments;
}
const std::string comment = fmt::format("Start {:s} with the Eden Emulator", game_title);
const std::string categories = "Game;Emulator;Qt;";
const std::string keywords = "Switch;Nintendo;";
if (QtCommon::Game::CreateShortcutLink(shortcut_path, comment, out_icon_path, command,
arguments, categories, keywords, game_title)) {
CreateShortcutMessagesGUI(ShortcutMessages::Success, qgame_title);
return;
}
CreateShortcutMessagesGUI(ShortcutMessages::Failed, qgame_title);
}
// TODO: You want this to be constexpr? Well too bad, clang19 doesn't believe this is a string
// literal
std::string GetShortcutPath(ShortcutTarget target) {
{
std::string shortcut_path{};
if (target == ShortcutTarget::Desktop) {
shortcut_path =
QStandardPaths::writableLocation(QStandardPaths::DesktopLocation).toStdString();
} else if (target == ShortcutTarget::Applications) {
shortcut_path = QStandardPaths::writableLocation(QStandardPaths::ApplicationsLocation)
.toStdString();
}
return shortcut_path;
}
}
void CreateHomeMenuShortcut(ShortcutTarget target) {
constexpr u64 QLaunchId = static_cast<u64>(Service::AM::AppletProgramId::QLaunch);
auto bis_system = QtCommon::system->GetFileSystemController().GetSystemNANDContents();
if (!bis_system) {
QtCommon::Frontend::Warning(tr("No firmware available"),
tr("Please install firmware to use the home menu."));
return;
}
auto qlaunch_nca = bis_system->GetEntry(QLaunchId, FileSys::ContentRecordType::Program);
if (!qlaunch_nca) {
QtCommon::Frontend::Warning(tr("Home Menu Applet"),
tr("Home Menu is not available. Please reinstall firmware."));
return;
}
auto qlaunch_applet_nca = bis_system->GetEntry(QLaunchId, FileSys::ContentRecordType::Program);
const auto game_path = qlaunch_applet_nca->GetFullPath();
// TODO(crueter): Make this use the Eden icon
CreateShortcut(game_path, QLaunchId, "Switch Home Menu", target, "-qlaunch", false);
}
bool SaveIconToFile(const std::filesystem::path& icon_path, const QImage& image) {
if (image.isNull()) {
return false;
}
#if defined(WIN32)
#pragma pack(push, 2)
struct IconDir {
WORD id_reserved;
WORD id_type;
WORD id_count;
};
struct IconDirEntry {
BYTE width;
BYTE height;
BYTE color_count;
BYTE reserved;
WORD planes;
WORD bit_count;
DWORD bytes_in_res;
DWORD image_offset;
};
#pragma pack(pop)
const QImage source_image = image.convertToFormat(QImage::Format_RGB32);
constexpr std::array<int, 7> scale_sizes{256, 128, 64, 48, 32, 24, 16};
constexpr int bytes_per_pixel = 4;
const IconDir icon_dir{
.id_reserved = 0,
.id_type = 1,
.id_count = static_cast<WORD>(scale_sizes.size()),
};
Common::FS::IOFile icon_file(icon_path.string(), Common::FS::FileAccessMode::Write,
Common::FS::FileType::BinaryFile);
if (!icon_file.IsOpen()) {
return false;
}
if (!icon_file.Write(icon_dir)) {
return false;
}
std::size_t image_offset = sizeof(IconDir) + (sizeof(IconDirEntry) * scale_sizes.size());
for (std::size_t i = 0; i < scale_sizes.size(); i++) {
const int image_size = scale_sizes[i] * scale_sizes[i] * bytes_per_pixel;
const IconDirEntry icon_entry{
.width = static_cast<BYTE>(scale_sizes[i]),
.height = static_cast<BYTE>(scale_sizes[i]),
.color_count = 0,
.reserved = 0,
.planes = 1,
.bit_count = bytes_per_pixel * 8,
.bytes_in_res = static_cast<DWORD>(sizeof(BITMAPINFOHEADER) + image_size),
.image_offset = static_cast<DWORD>(image_offset),
};
image_offset += icon_entry.bytes_in_res;
if (!icon_file.Write(icon_entry)) {
return false;
}
}
for (std::size_t i = 0; i < scale_sizes.size(); i++) {
const QImage scaled_image = source_image.scaled(
scale_sizes[i], scale_sizes[i], Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
const BITMAPINFOHEADER info_header{
.biSize = sizeof(BITMAPINFOHEADER),
.biWidth = scaled_image.width(),
.biHeight = scaled_image.height() * 2,
.biPlanes = 1,
.biBitCount = bytes_per_pixel * 8,
.biCompression = BI_RGB,
.biSizeImage{},
.biXPelsPerMeter{},
.biYPelsPerMeter{},
.biClrUsed{},
.biClrImportant{},
};
if (!icon_file.Write(info_header)) {
return false;
}
for (int y = 0; y < scaled_image.height(); y++) {
const auto* line = scaled_image.scanLine(scaled_image.height() - 1 - y);
std::vector<u8> line_data(scaled_image.width() * bytes_per_pixel);
std::memcpy(line_data.data(), line, line_data.size());
if (!icon_file.Write(line_data)) {
return false;
}
}
}
icon_file.Close();
return true;
#elif defined(__unix__) && !defined(__APPLE__) && !defined(__ANDROID__)
// Convert and write the icon as a PNG
if (!image.save(QString::fromStdString(icon_path.string()))) {
LOG_ERROR(Frontend, "Could not write icon as PNG to file");
} else {
LOG_INFO(Frontend, "Wrote an icon to {}", icon_path.string());
}
return true;
#else
return false;
#endif
}
} // namespace QtCommon::Game
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