applets: implement HLE mii selector applet

src/citra_qt/applets/mii_selector.cpp

@@ -0,0 +1,125 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <QComboBox>
+#include <QDialogButtonBox>
+#include <QMessageBox>
+#include <QString>
+#include <QVBoxLayout>
+#include "citra_qt/applets/mii_selector.h"
+#include "common/file_util.h"
+#include "core/file_sys/archive_extsavedata.h"
+#include "core/file_sys/file_backend.h"
+#include "core/hle/applets/buttons.h"
+#include "core/hle/service/ptm/ptm.h"
+
+QtMiiSelectorDialog::QtMiiSelectorDialog(QWidget* parent, QtMiiSelector* mii_selector_)
+    : QDialog(parent), mii_selector(mii_selector_) {
+    Frontend::MiiSelectorConfig config = mii_selector->config;
+    layout = new QVBoxLayout;
+    combobox = new QComboBox;
+    buttons = new QDialogButtonBox;
+    // Initialize buttons
+    buttons->addButton(tr(AppletButton::Ok), QDialogButtonBox::ButtonRole::AcceptRole);
+    if (config.enable_cancel_button) {
+        buttons->addButton(tr(AppletButton::Cancel), QDialogButtonBox::ButtonRole::RejectRole);
+    }
+
+    setWindowTitle(config.title.empty() ? tr("Mii Selector")
+                                        : QString::fromStdU16String(config.title));
+
+    std::string nand_directory{FileUtil::GetUserPath(FileUtil::UserPath::NANDDir)};
+    FileSys::ArchiveFactory_ExtSaveData extdata_archive_factory(nand_directory, true);
+
+    auto archive_result = extdata_archive_factory.Open(Service::PTM::ptm_shared_extdata_id);
+    if (!archive_result.Succeeded()) {
+        ShowNoMiis();
+        return;
+    }
+
+    auto archive = std::move(archive_result).Unwrap();
+
+    FileSys::Path file_path = "/CFL_DB.dat";
+    FileSys::Mode mode{};
+    mode.read_flag.Assign(1);
+
+    auto file_result = archive->OpenFile(file_path, mode);
+    if (!file_result.Succeeded()) {
+        ShowNoMiis();
+        return;
+    }
+
+    auto file = std::move(file_result).Unwrap();
+
+    u32 saved_miis_offset = 0x8;
+    // The Mii Maker has a 100 Mii limit on the 3ds
+    for (int i = 0; i < 100; ++i) {
+        HLE::Applets::MiiData mii;
+        std::array<u8, sizeof(mii)> mii_raw;
+        file->Read(saved_miis_offset, sizeof(mii), mii_raw.data());
+        std::memcpy(&mii, mii_raw.data(), sizeof(mii));
+        if (mii.mii_id != 0) {
+            std::u16string name(sizeof(mii.mii_name), '\0');
+            std::memcpy(&name[0], mii.mii_name.data(), sizeof(mii.mii_name));
+            miis.emplace(combobox->count(), mii);
+            combobox->addItem(QString::fromStdU16String(name));
+        }
+        saved_miis_offset += sizeof(mii);
+    }
+
+    if (miis.empty()) {
+        ShowNoMiis();
+        return;
+    }
+
+    if (combobox->count() > static_cast<int>(config.initially_selected_mii_index)) {
+        combobox->setCurrentIndex(static_cast<int>(config.initially_selected_mii_index));
+    }
+
+    connect(buttons, &QDialogButtonBox::accepted, this, [this] { accept(); });
+    connect(buttons, &QDialogButtonBox::rejected, this, [this] {
+        return_code = 1;
+        accept();
+    });
+    layout->addWidget(combobox);
+    layout->addWidget(buttons);
+    setLayout(layout);
+}
+
+void QtMiiSelectorDialog::ShowNoMiis() {
+    Frontend::MiiSelectorConfig config = mii_selector->config;
+    QMessageBox::StandardButton answer = QMessageBox::question(
+        nullptr,
+        config.title.empty() ? tr("Mii Selector") : QString::fromStdU16String(config.title),
+        tr("You don't have any Miis.\nUse standard Mii?"), QMessageBox::Yes | QMessageBox::No);
+
+    if (answer == QMessageBox::No)
+        return_code = 1;
+
+    QMetaObject::invokeMethod(this, "close", Qt::QueuedConnection);
+}
+
+QtMiiSelector::QtMiiSelector(QWidget& parent_) : parent(parent_) {}
+
+void QtMiiSelector::Setup(const Frontend::MiiSelectorConfig* config) {
+    MiiSelector::Setup(config);
+    QMetaObject::invokeMethod(this, "OpenDialog", Qt::BlockingQueuedConnection);
+}
+
+void QtMiiSelector::OpenDialog() {
+    QtMiiSelectorDialog dialog(&parent, this);
+    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
+                          Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
+    dialog.setWindowModality(Qt::WindowModal);
+    dialog.exec();
+
+    int index = dialog.combobox->currentIndex();
+    LOG_INFO(Frontend, "Mii Selector dialog finished (return_code={}, index={})",
+             dialog.return_code, index);
+
+    HLE::Applets::MiiData mii_data =
+        index == -1 ? HLE::Applets::MiiSelector::GetStandardMiiResult().selected_mii_data
+                    : dialog.miis.at(dialog.combobox->currentIndex());
+    Finalize(dialog.return_code, dialog.return_code == 0 ? mii_data : HLE::Applets::MiiData{});
+}

src/citra_qt/applets/mii_selector.h

@@ -0,0 +1,48 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <unordered_map>
+#include <QDialog>
+#include "core/frontend/applets/mii_selector.h"
+
+class QDialogButtonBox;
+class QComboBox;
+class QVBoxLayout;
+class QtMiiSelector;
+
+class QtMiiSelectorDialog final : public QDialog {
+    Q_OBJECT
+
+public:
+    QtMiiSelectorDialog(QWidget* parent, QtMiiSelector* mii_selector_);
+
+private:
+    void ShowNoMiis();
+
+    QDialogButtonBox* buttons;
+    QComboBox* combobox;
+    QVBoxLayout* layout;
+    QtMiiSelector* mii_selector;
+    u32 return_code = 0;
+    std::unordered_map<int, HLE::Applets::MiiData> miis;
+
+    friend class QtMiiSelector;
+};
+
+class QtMiiSelector final : public QObject, public Frontend::MiiSelector {
+    Q_OBJECT
+
+public:
+    explicit QtMiiSelector(QWidget& parent);
+    void Setup(const Frontend::MiiSelectorConfig* config) override;
+
+private:
+    Q_INVOKABLE void OpenDialog();
+
+    QWidget& parent;
+
+    friend class QtMiiSelectorDialog;
+};