Reimplements the :meth:`QWidget.show` method.

def show(self):
        """
        Reimplements the :meth:`QWidget.show` method.
        """

        selected_text = self.__container.get_current_editor().get_selected_text()
        selected_text and SearchAndReplace.insert_pattern(selected_text, self.__search_patterns_model)
        self.Search_comboBox.line_edit().selectAll()
        self.Search_comboBox.setFocus()

        super(SearchInFiles, self).show()
        self.raise_()