compare: add search and replace.

Gui/Control/cpTableWidget.h

@@ -0,0 +1,21 @@
+#ifndef CP_TABLEWIDET_H
+#define CP_TABLEWIDET_H
+
+#include <QTableWidget>
+#include <QDropEvent>
+
+class CpTableWidget : public QTableWidget
+{
+    Q_OBJECT
+public:
+    explicit CpTableWidget(QWidget* parent = nullptr);
+    ~CpTableWidget() override;
+
+protected:
+    void dragEnterEvent(QDragEnterEvent* event);
+
+protected:
+    QPoint startPos_;
+};
+
+#endif // CP_TABLEWIDET_H