Fl_Button | +----Fl_Return_Button
The Fl_Return_Button is a subclass of Fl_Button that generates a callback when it is pressed or when the user presses the Enter key. A carriage-return symbol is drawn next to the button label.
Creates a new Fl_Return_Button widget using the given position, size, and label string. The default boxtype is FL_UP_BOX.
Deletes the button.