first commit

fileManage/UDiskComboBox.h

@@ -0,0 +1,20 @@
+#ifndef UDISKCOMBOBOX_H
+#define UDISKCOMBOBOX_H
+#include <QComboBox>
+
+class UDiskComboBox : public QComboBox
+{
+    Q_OBJECT
+
+public:
+    explicit UDiskComboBox(QWidget* parent = nullptr);
+
+
+protected:
+    virtual void showPopup() override;
+
+signals:
+    void popupShowed();
+};
+
+#endif // UDISKCOMBOBOX_H