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Panel Element Conditioning With Truth Tables

IP.com Disclosure Number: IPCOM000037056D
Original Publication Date: 1989-Nov-01
Included in the Prior Art Database: 2005-Jan-29

Publishing Venue

IBM

Related People

Authors:
Allen, PV Beck, JR Dykstal, DW Fishel, EA Timms, GD [+details]

Abstract

A panel presented on a computer display consists of related text or graphic elements that are placed on that display in a fashion determined by an application programmer. Some of these elements are conditional; that is, they appear on the display only if certain criteria are met. Others are not conditional, and they appear on the panel whenever that panel is displayed. A mechanism is described by which all elements are placed optimally on the display. This mechanism is time efficient in that placement occurs at the time the panel is defined (compile-time) and not at the time the panel is displayed by the application (run-time). An alternative is also described which is space efficient instead, but still provides diagnostic information at compile-time.