Refactor forms/settings/ package.

src/forms/settings/SystemSettingForm.h

@@ -0,0 +1,37 @@
+#ifndef SYSTEMSETTINGFORM_H
+#define SYSTEMSETTINGFORM_H
+
+#include <QWidget>
+
+class SelectDialog;
+
+namespace Ui
+{
+    class SystemSettingForm;
+}
+
+class SystemSettingForm : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit SystemSettingForm(QWidget* aParent = nullptr);
+    ~SystemSettingForm();
+
+private:
+    void updateStorageSize();
+    void updateStorageUsed();
+
+    Ui::SystemSettingForm* mUI;
+
+    SelectDialog* mProtocalSelectDialog;
+    SelectDialog* mFilterSelectDialog;
+    QThread* mDiskInfoCaller;
+
+    double mDiskSize;
+    double mDiskUsedSize;
+    bool mDiskSizeFlag;
+    bool mDiskUsedSizeFlag;
+};
+
+#endif // SYSTEMSETTINGFORM_H