Preliminary work for a title info dialog

pending DRY fixes, etc

src/frontend/title_info_dialog.h

@@ -0,0 +1,35 @@
+// Copyright 2021 threeSD Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <memory>
+#include <QDialog>
+#include "core/file_sys/smdh.h"
+
+namespace Core {
+class Config;
+class ContentSpecifier;
+class SDMCImporter;
+} // namespace Core
+
+namespace Ui {
+class TitleInfoDialog;
+}
+
+class TitleInfoDialog : public QDialog {
+    Q_OBJECT
+
+public:
+    explicit TitleInfoDialog(QWidget* parent, const Core::Config& config,
+                             Core::SDMCImporter& importer, const Core::ContentSpecifier& specifier);
+    ~TitleInfoDialog();
+
+private:
+    void InitializeInfo(const Core::Config& config, Core::SDMCImporter& importer,
+                        const Core::ContentSpecifier& specifier);
+    void InitializeLanguageComboBox();
+    void UpdateNames();
+
+    std::unique_ptr<Ui::TitleInfoDialog> ui;
+    Core::SMDH smdh{};
+};