Transparent Partition to Provide Control Functions
Original Publication Date: 1987-Jul-01
Included in the Prior Art Database: 2005-Feb-01
This article describes a method for allowing control software to use standard functions to obtain input values and to draw over user partitions or windows. In a windowing environment, it is possible to have several applications displayed simultaneously. Whenever it is desirable to address the screen as a whole as opposed to just one of the windows, it is possible to do this using ordinary function by treating the whole screen as a large transparent partition which has an overriding or the highest priority. In supporting user control functions (such as moving a window), it is necessary for user control to perform functions similar to those performed by the application but, unlike the application, control of the whole screen is required. (An application is restricted to its own window.