Method and system for expanding and contracting point of sale scrolling lists

摘要

Provided is a method and system for displaying a list of items in point of sale transactions on a touch screen user interface by virtually adjusting the display area of a touch screen user interface. The method and system achieve the forgoing by the following steps. Detecting a selection and manipulation of the icon utilized as a virtual handle for expanding and contracting the window for displaying said list of items in point of sale transactions. Determining whether the window for displaying said list of items in point of sale transactions is in either an expanded or contracted state. If it is determined that said window for displaying said list of items in point of sale transactions is in a contracted state, enlarging the window for displaying the list of items in point of sale transactions in response to the detected manipulation of the icon utilized as a virtual handle. If it is determined that said window for displaying said list of items in point of sale transactions is in an expanded state, contracting said window in response to a detected selection of the icon utilized as a virtual handle.