Add new components, ListBox and EditPatientDialog.

src/components/Listbox.h

@@ -0,0 +1,21 @@
+//
+// Created by Krad on 2022/3/21.
+//
+
+#ifndef GUI_LISTBOX_H
+#define GUI_LISTBOX_H
+
+#include <QToolButton>
+class Listbox: public QToolButton {
+public:
+    explicit Listbox(QWidget* parent = nullptr){};
+    virtual ~Listbox(){};
+
+protected:
+    virtual void paintEvent(QPaintEvent* e) override;
+
+private:
+};
+
+
+#endif //GUI_LISTBOX_H