A set of example GUI Widgets is shown in Figure 1. The Integer Field (1-1) is used for input of integers by either keyboard entry or clicking the up/down icons. The Text/Float Field (1-2) is used for input of alphanumeric text or floating point numbers. The Popup button (1-3) has a trailing three dots, (``...''), which signifies that a popup window will appear when pressed. Pressing an Option check box (1-5) will toggle the option on and off, as indicated by the presense or absence of a checkmark, respectively. A Choice (1-6) allows for a selection in a ``Radio'' button fashion. The Menu button (1-4) has a down icon which signifies that a menu will appear when pressed.
