1 files changed, 485 insertions, 0 deletions

diff --git a/src/yuzu/nup_dialogs.cpp b/src/yuzu/nup_dialogs.cpp
new file mode 100644
index 0000000000..cd7fcba496
--- /dev/null
+++ b/src/yuzu/nup_dialogs.cpp
@@ -0,0 +1,485 @@
+// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "yuzu/nup_dialogs.h"
+
+#include <QBuffer>
+#include <QCheckBox>
+#include <QCloseEvent>
+#include <QDragEnterEvent>
+#include <QDropEvent>
+#include <QMimeData>
+#include <QMouseEvent>
+#include <QPaintEvent>
+#include <QDialogButtonBox>
+#include <QFile>
+#include <QFileDialog>
+#include <QFontMetrics>
+#include <QFormLayout>
+#include <QHBoxLayout>
+#include <QImage>
+#include <QImageReader>
+#include <QLabel>
+#include <QLineEdit>
+#include <QPainter>
+#include <QPainterPath>
+#include <QProgressBar>
+#include <QPushButton>
+#include <QRadioButton>
+#include <QUrl>
+#include <QVBoxLayout>
+
+#include "common/fs/path_util.h"
+
+namespace {
+
+constexpr int IconSize = 256;
+constexpr int PreviewSize = 128;
+
+QString ToQString(const std::filesystem::path& path) {
+    return QString::fromStdString(Common::FS::PathToUTF8String(path));
+}
+
+QString Megabytes(u64 bytes) {
+    return QString::number(bytes / (1024 * 1024));
+}
+
+QPixmap PixmapFromBytes(const std::vector<u8>& bytes) {
+    QPixmap pixmap;
+    pixmap.loadFromData(bytes.data(), static_cast<uint>(bytes.size()));
+    return pixmap;
+}
+
+QPixmap RoundedPreview(const QPixmap& source, int size) {
+    const qreal ratio = 2.0;
+    QPixmap out(QSize(size, size) * ratio);
+    out.setDevicePixelRatio(ratio);
+    out.fill(Qt::transparent);
+    QPainter painter(&out);
+    painter.setRenderHint(QPainter::Antialiasing);
+    painter.setRenderHint(QPainter::SmoothPixmapTransform);
+    QPainterPath clip;
+    clip.addRoundedRect(QRectF(0, 0, size, size), size / 8.0, size / 8.0);
+    painter.setClipPath(clip);
+    painter.drawPixmap(QRectF(0, 0, size, size), source, source.rect());
+    return out;
+}
+
+// The console distributes 256x256 JPEG icons. A picture that already is one is kept as is;
+// anything else is cropped to a square, scaled and re-encoded.
+QByteArray EncodeIcon(const QString& path) {
+    QFile file(path);
+    if (!file.open(QIODevice::ReadOnly)) {
+        return {};
+    }
+    const QByteArray raw = file.readAll();
+    QImage image;
+    if (!image.loadFromData(raw) || image.isNull()) {
+        return {};
+    }
+    if (image.size() == QSize(IconSize, IconSize) && raw.startsWith("\xFF\xD8")) {
+        return raw;
+    }
+    const int side = std::min(image.width(), image.height());
+    image = image.copy((image.width() - side) / 2, (image.height() - side) / 2, side, side)
+                .scaled(IconSize, IconSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+    QImage flat(IconSize, IconSize, QImage::Format_RGB32);
+    flat.fill(Qt::black);
+    QPainter painter(&flat);
+    painter.drawImage(0, 0, image);
+    painter.end();
+    QByteArray out;
+    QBuffer buffer(&out);
+    buffer.open(QIODevice::WriteOnly);
+    flat.save(&buffer, "JPEG", 92);
+    return out;
+}
+
+// The first dropped local file that Qt can read as an image.
+QString DroppedImage(const QMimeData* mime) {
+    if (mime == nullptr) {
+        return {};
+    }
+    for (const auto& url : mime->urls()) {
+        if (url.isLocalFile() && !QImageReader(url.toLocalFile()).format().isEmpty()) {
+            return url.toLocalFile();
+        }
+    }
+    return {};
+}
+
+} // namespace
+
+IconDropZone::IconDropZone(int size, QWidget* parent) : QWidget(parent) {
+    setFixedSize(size, size);
+    setAcceptDrops(true);
+    setCursor(Qt::PointingHandCursor);
+    setToolTip(tr("Drop an image here or click to browse"));
+}
+
+void IconDropZone::SetIcon(const QPixmap& new_icon) {
+    icon = new_icon;
+    update();
+}
+
+void IconDropZone::paintEvent(QPaintEvent*) {
+    QPainter painter(this);
+    painter.setRenderHint(QPainter::Antialiasing);
+    const QRectF area = QRectF(rect()).adjusted(1, 1, -1, -1);
+    const bool active = dragging || hovered;
+    if (!icon.isNull()) {
+        painter.drawPixmap(0, 0, RoundedPreview(icon, width()));
+        if (active) {
+            painter.setBrush(QColor(0, 0, 0, 120));
+            painter.setPen(Qt::NoPen);
+            painter.drawRoundedRect(area, width() / 8.0, width() / 8.0);
+            painter.setPen(Qt::white);
+            painter.drawText(area, Qt::AlignCenter | Qt::TextWordWrap, tr("Drop to replace"));
+        }
+        return;
+    }
+    const auto accent = palette().color(QPalette::Highlight);
+    QPen pen(active ? accent : palette().color(QPalette::Mid), 2, Qt::DashLine);
+    painter.setPen(pen);
+    QColor fill = active ? accent : palette().color(QPalette::Mid);
+    fill.setAlpha(active ? 40 : 20);
+    painter.setBrush(fill);
+    painter.drawRoundedRect(area, width() / 8.0, width() / 8.0);
+    painter.setPen(palette().color(QPalette::PlaceholderText));
+    painter.drawText(area.adjusted(8, 8, -8, -8), Qt::AlignCenter | Qt::TextWordWrap,
+                     dragging ? tr("Release to use this image")
+                              : tr("Drop an icon here\nor click to browse"));
+}
+
+void IconDropZone::dragEnterEvent(QDragEnterEvent* event) {
+    if (!DroppedImage(event->mimeData()).isEmpty()) {
+        dragging = true;
+        event->acceptProposedAction();
+        update();
+    }
+}
+
+void IconDropZone::dragLeaveEvent(QDragLeaveEvent*) {
+    dragging = false;
+    update();
+}
+
+void IconDropZone::dropEvent(QDropEvent* event) {
+    dragging = false;
+    update();
+    if (const auto path = DroppedImage(event->mimeData()); !path.isEmpty()) {
+        event->acceptProposedAction();
+        emit FileDropped(path);
+    }
+}
+
+void IconDropZone::mouseReleaseEvent(QMouseEvent* event) {
+    if (event->button() == Qt::LeftButton && rect().contains(event->position().toPoint())) {
+        emit Clicked();
+    }
+}
+
+void IconDropZone::enterEvent(QEnterEvent*) {
+    hovered = true;
+    update();
+}
+
+void IconDropZone::leaveEvent(QEvent*) {
+    hovered = false;
+    update();
+}
+
+NupMetadataDialog::NupMetadataDialog(const std::filesystem::path& source,
+                                     const std::filesystem::path& archive, u64 needed_bytes,
+                                     u64 available_bytes, QWidget* parent)
+    : QDialog(parent), detected(FileSys::Nup::ProbeMetadata(source)) {
+    setWindowTitle(tr("Convert to NUP"));
+    setMinimumWidth(520);
+
+    icon_preview = new IconDropZone(PreviewSize);
+    connect(icon_preview, &IconDropZone::Clicked, this, &NupMetadataDialog::ChooseIcon);
+    connect(icon_preview, &IconDropZone::FileDropped, this, &NupMetadataDialog::SetIconFromFile);
+    icon_hint = new QLabel;
+    icon_hint->setWordWrap(true);
+    icon_hint->setEnabled(false);
+    auto* choose_icon = new QPushButton(tr("Choose Icon..."));
+    reset_icon = new QPushButton(tr("Use Detected"));
+    connect(choose_icon, &QPushButton::clicked, this, &NupMetadataDialog::ChooseIcon);
+    connect(reset_icon, &QPushButton::clicked, this, &NupMetadataDialog::ResetIcon);
+
+    auto* icon_buttons = new QVBoxLayout;
+    icon_buttons->addWidget(choose_icon);
+    if (!detected.icon.empty()) {
+        icon_buttons->addWidget(reset_icon);
+    } else {
+        reset_icon->hide();
+    }
+    icon_buttons->addWidget(icon_hint);
+    icon_buttons->addStretch();
+    auto* icon_row = new QHBoxLayout;
+    icon_row->setSpacing(16);
+    icon_row->addWidget(icon_preview, 0, Qt::AlignTop);
+    icon_row->addLayout(icon_buttons, 1);
+
+    name_edit = new QLineEdit(QString::fromStdString(detected.title_name));
+    name_edit->setPlaceholderText(tr("Name shown in the game list"));
+    name_edit->setClearButtonEnabled(true);
+
+    version_auto = new QRadioButton;
+    if (detected.display_version.empty()) {
+        version_auto->setText(tr("Auto-detect (nothing found in the dump)"));
+    } else {
+        version_auto->setText(tr("Auto-detect: %1 (from %2)")
+                                  .arg(QString::fromStdString(detected.display_version),
+                                       QString::fromStdString(detected.version_source)));
+    }
+    version_manual = new QRadioButton(tr("Set manually:"));
+    version_edit = new QLineEdit;
+    version_edit->setPlaceholderText(tr("e.g. 1.2.0"));
+    version_auto->setChecked(true);
+    connect(version_auto, &QRadioButton::toggled, this, &NupMetadataDialog::UpdateVersionEnabled);
+    auto* manual_row = new QHBoxLayout;
+    manual_row->addWidget(version_manual);
+    manual_row->addWidget(version_edit, 1);
+    auto* version_box = new QVBoxLayout;
+    version_box->setSpacing(6);
+    version_box->addWidget(version_auto);
+    version_box->addLayout(manual_row);
+
+    auto* form = new QFormLayout;
+    form->setFieldGrowthPolicy(QFormLayout::AllNonFixedFieldsGrow);
+    form->setHorizontalSpacing(16);
+    form->setVerticalSpacing(14);
+    form->addRow(tr("Icon"), icon_row);
+    form->addRow(tr("Name"), name_edit);
+    form->addRow(tr("Version"), version_box);
+
+    auto* paths = new QLabel(tr("<b>Source</b><br>%1<br><b>Target</b><br>%2")
+                                 .arg(ToQString(source).toHtmlEscaped(),
+                                      ToQString(archive).toHtmlEscaped()));
+    paths->setTextFormat(Qt::RichText);
+    paths->setWordWrap(true);
+    paths->setTextInteractionFlags(Qt::TextSelectableByMouse);
+
+    auto* space = new QLabel(tr("Approximate space needed: %1 MB. Free on the target volume: "
+                                "%2 MB.")
+                                 .arg(Megabytes(needed_bytes), Megabytes(available_bytes)));
+    space->setWordWrap(true);
+    if (available_bytes < needed_bytes) {
+        space->setText(space->text() + QLatin1Char(' ') +
+                       tr("Free space is less than the estimate."));
+    }
+
+    low_storage = new QCheckBox(tr("Low storage: delete the original files as they are packed "
+                                   "(cannot be undone)"));
+
+    auto* buttons = new QDialogButtonBox(QDialogButtonBox::Cancel);
+    auto* convert = buttons->addButton(tr("Convert"), QDialogButtonBox::AcceptRole);
+    convert->setDefault(true);
+    connect(buttons, &QDialogButtonBox::accepted, this, &QDialog::accept);
+    connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
+
+    auto* separator = new QFrame;
+    separator->setFrameShape(QFrame::HLine);
+    separator->setFrameShadow(QFrame::Sunken);
+
+    auto* layout = new QVBoxLayout(this);
+    layout->setContentsMargins(20, 20, 20, 16);
+    layout->setSpacing(14);
+    layout->addLayout(form);
+    layout->addWidget(separator);
+    layout->addWidget(paths);
+    layout->addWidget(space);
+    layout->addWidget(low_storage);
+    layout->addSpacing(4);
+    layout->addWidget(buttons);
+
+    UpdateIconPreview();
+    UpdateVersionEnabled();
+}
+
+NupMetadataDialog::~NupMetadataDialog() = default;
+
+FileSys::Nup::Metadata NupMetadataDialog::Metadata() const {
+    FileSys::Nup::Metadata result;
+    // Only what differs from the dump is an override.
+    if (const auto name = name_edit->text().trimmed().toStdString(); name != detected.title_name) {
+        result.title_name = name;
+    }
+    if (!custom_icon.isEmpty()) {
+        result.icon.assign(custom_icon.begin(), custom_icon.end());
+    }
+    if (version_manual->isChecked()) {
+        result.display_version = version_edit->text().trimmed().toStdString();
+    }
+    return result;
+}
+
+bool NupMetadataDialog::DeleteSources() const {
+    return low_storage->isChecked();
+}
+
+QString NupMetadataDialog::DisplayName() const {
+    return name_edit->text().trimmed();
+}
+
+QPixmap NupMetadataDialog::CurrentIcon() const {
+    return current_icon;
+}
+
+void NupMetadataDialog::ChooseIcon() {
+    const auto path = QFileDialog::getOpenFileName(
+        this, tr("Choose Icon"), {}, tr("Images (*.png *.jpg *.jpeg *.bmp *.webp);;All Files (*)"));
+    if (!path.isEmpty()) {
+        SetIconFromFile(path);
+    }
+}
+
+void NupMetadataDialog::SetIconFromFile(const QString& path) {
+    const auto encoded = EncodeIcon(path);
+    if (encoded.isEmpty()) {
+        icon_hint->setText(tr("That file could not be read as an image."));
+        return;
+    }
+    custom_icon = encoded;
+    UpdateIconPreview();
+}
+
+void NupMetadataDialog::ResetIcon() {
+    custom_icon.clear();
+    UpdateIconPreview();
+}
+
+void NupMetadataDialog::UpdateIconPreview() {
+    QPixmap pixmap;
+    if (!custom_icon.isEmpty()) {
+        pixmap.loadFromData(custom_icon);
+        icon_hint->setText(tr("Custom icon, stored as %1x%1 JPEG.").arg(IconSize));
+    } else if (!detected.icon.empty()) {
+        pixmap = PixmapFromBytes(detected.icon);
+        icon_hint->setText(tr("Icon found in the dump."));
+    } else {
+        icon_hint->setText(tr("No icon found in the dump. Add one, or the NUP will have none."));
+    }
+    current_icon = pixmap;
+    reset_icon->setEnabled(!custom_icon.isEmpty());
+    icon_preview->SetIcon(pixmap);
+}
+
+void NupMetadataDialog::UpdateVersionEnabled() {
+    version_edit->setEnabled(version_manual->isChecked());
+    if (version_manual->isChecked()) {
+        version_edit->setFocus();
+    }
+}
+
+NupProgressDialog::NupProgressDialog(const QString& title, const QPixmap& icon, QWidget* parent)
+    : QDialog(parent, Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint) {
+    setWindowTitle(tr("Converting to NUP"));
+    setModal(true);
+    setMinimumWidth(480);
+
+    auto* header = new QHBoxLayout;
+    header->setSpacing(14);
+    if (!icon.isNull()) {
+        auto* icon_label = new QLabel;
+        icon_label->setFixedSize(56, 56);
+        icon_label->setPixmap(RoundedPreview(icon, 56));
+        header->addWidget(icon_label);
+    }
+    auto* title_label = new QLabel(title.isEmpty() ? tr("Converting to NUP") : title);
+    QFont font = title_label->font();
+    font.setBold(true);
+    font.setPointSizeF(font.pointSizeF() * 1.2);
+    title_label->setFont(font);
+    title_label->setWordWrap(true);
+    status = new QLabel(tr("Preparing..."));
+    status->setEnabled(false);
+    auto* titles = new QVBoxLayout;
+    titles->setSpacing(2);
+    titles->addStretch();
+    titles->addWidget(title_label);
+    titles->addWidget(status);
+    titles->addStretch();
+    header->addLayout(titles, 1);
+
+    bar = new QProgressBar;
+    bar->setRange(0, 1000);
+    bar->setTextVisible(false);
+    bar->setFixedHeight(14);
+    bar->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+
+    details = new QLabel;
+    details->setAlignment(Qt::AlignCenter);
+    details->setMinimumHeight(QFontMetrics(details->font()).height() * 2 + 4);
+
+    cancel = new QPushButton(tr("Cancel"));
+    connect(cancel, &QPushButton::clicked, this, &NupProgressDialog::CancelRequested);
+    auto* button_row = new QHBoxLayout;
+    button_row->addStretch();
+    button_row->addWidget(cancel);
+
+    auto* layout = new QVBoxLayout(this);
+    layout->setContentsMargins(24, 24, 24, 20);
+    layout->setSpacing(14);
+    layout->addLayout(header);
+    layout->addWidget(bar);
+    layout->addWidget(details);
+    layout->addLayout(button_row);
+    timer.start();
+}
+
+void NupProgressDialog::SetProgress(const FileSys::Nup::PackProgress& progress) {
+    if (cancelling) {
+        return;
+    }
+    const double fraction =
+        progress.bytes_total == 0 ? 0.0 : double(progress.bytes_done) / progress.bytes_total;
+    bar->setValue(static_cast<int>(fraction * 1000));
+    status->setText(tr("%1%").arg(fraction * 100, 0, 'f', 1));
+
+    QString text = tr("%1 / %2 MB  -  %3 / %4 files")
+                       .arg(Megabytes(progress.bytes_done), Megabytes(progress.bytes_total))
+                       .arg(progress.files_done)
+                       .arg(progress.files_total);
+    const double seconds = timer.elapsed() / 1000.0;
+    if (seconds >= 3.0 && progress.bytes_done > 0 && fraction < 1.0) {
+        const double rate = progress.bytes_done / seconds;
+        const int remaining = static_cast<int>((progress.bytes_total - progress.bytes_done) / rate);
+        text += tr("\n%1 MB/s  -  about %2:%3 left")
+                    .arg(rate / (1024 * 1024), 0, 'f', 0)
+                    .arg(remaining / 60)
+                    .arg(remaining % 60, 2, 10, QLatin1Char('0'));
+    }
+    details->setText(text);
+}
+
+void NupProgressDialog::SetCancelling() {
+    cancelling = true;
+    cancel->setEnabled(false);
+    status->setText(tr("Cancelling..."));
+    bar->setRange(0, 0);
+}
+
+void NupProgressDialog::Finish() {
+    finished = true;
+    close();
+}
+
+void NupProgressDialog::closeEvent(QCloseEvent* event) {
+    // Only the window code closes this dialog; a close request cancels the conversion.
+    if (!finished) {
+        emit CancelRequested();
+        event->ignore();
+        return;
+    }
+    QDialog::closeEvent(event);
+}
+
+void NupProgressDialog::reject() {
+    if (!finished) {
+        emit CancelRequested();
+        return;
+    }
+    QDialog::reject();
+}