applets: implement HLE mii selector applet

src/core/frontend/applets/default_applets.cpp

@@ -3,10 +3,12 @@
 // Refer to the license.txt file included.
 
 #include "core/frontend/applets/default_applets.h"
+#include "core/frontend/applets/mii_selector.h"
 #include "core/frontend/applets/swkbd.h"
 
 namespace Frontend {
 void RegisterDefaultApplets() {
     RegisterSoftwareKeyboard(std::make_shared<DefaultKeyboard>());
+    RegisterMiiSelector(std::make_shared<DefaultMiiSelector>());
 }
 } // namespace Frontend

src/core/frontend/applets/mii_selector.cpp

@@ -0,0 +1,27 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "core/core.h"
+#include "core/frontend/applets/mii_selector.h"
+
+namespace Frontend {
+
+void MiiSelector::Finalize(u32 return_code, HLE::Applets::MiiData mii) {
+    data = {return_code, mii};
+}
+
+void DefaultMiiSelector::Setup(const Frontend::MiiSelectorConfig* config) {
+    MiiSelector::Setup(config);
+    Finalize(0, HLE::Applets::MiiSelector::GetStandardMiiResult().selected_mii_data);
+}
+
+void RegisterMiiSelector(std::shared_ptr<MiiSelector> applet) {
+    Core::System::GetInstance().RegisterMiiSelector(applet);
+}
+
+std::shared_ptr<MiiSelector> GetRegisteredMiiSelector() {
+    return Core::System::GetInstance().GetMiiSelector();
+}
+
+} // namespace Frontend

src/core/frontend/applets/mii_selector.h

@@ -0,0 +1,56 @@
+// Copyright 2018 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <array>
+#include <memory>
+#include <string>
+#include "core/hle/applets/mii_selector.h"
+
+namespace Frontend {
+
+/// Configuration that's relevant to frontend implementation of applet. Anything missing that we
+/// later learn is needed can be added here and filled in by the backend HLE applet
+struct MiiSelectorConfig {
+    bool enable_cancel_button;
+    std::u16string title;
+    u32 initially_selected_mii_index;
+};
+
+struct MiiSelectorData {
+    u32 return_code;
+    HLE::Applets::MiiData mii;
+};
+
+class MiiSelector {
+public:
+    virtual void Setup(const MiiSelectorConfig* config) {
+        this->config = MiiSelectorConfig(*config);
+    }
+    const MiiSelectorData* ReceiveData() {
+        return &data;
+    }
+
+    /**
+     * Stores the data so that the HLE applet in core can
+     * send this to the calling application
+     */
+    void Finalize(u32 return_code, HLE::Applets::MiiData mii);
+
+protected:
+    MiiSelectorConfig config;
+    MiiSelectorData data;
+};
+
+class DefaultMiiSelector final : public MiiSelector {
+public:
+    void Setup(const MiiSelectorConfig* config) override;
+};
+
+void RegisterMiiSelector(std::shared_ptr<MiiSelector> applet);
+
+std::shared_ptr<MiiSelector> GetRegisteredMiiSelector();
+
+} // namespace Frontend