yuzu: Add UI to manage filesystem paths and sizes

src/yuzu/configuration/configure_filesystem.h

@@ -0,0 +1,43 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <memory>
+#include <QWidget>
+
+class QLineEdit;
+
+namespace Ui {
+class ConfigureFilesystem;
+}
+
+class ConfigureFilesystem : public QWidget {
+    Q_OBJECT
+
+public:
+    explicit ConfigureFilesystem(QWidget* parent = nullptr);
+    ~ConfigureFilesystem() override;
+
+    void applyConfiguration();
+    void retranslateUi();
+
+private:
+    void setConfiguration();
+
+    enum class DirectoryTarget {
+        NAND,
+        SD,
+        Gamecard,
+        Dump,
+        Load,
+        Cache,
+    };
+
+    void SetDirectory(DirectoryTarget target, QLineEdit* edit);
+    void ResetMetadata();
+    void UpdateEnabledControls();
+
+    std::unique_ptr<Ui::ConfigureFilesystem> ui;
+};