| 摘要 |
<p>A data display system in which input-output display devices are connected to a central processor and users select application programs that are run on the central processor and including in the control system of the central processor; a display manager control system and a windowing control mechanism which allows a plurality of tasks to be performed concurrently and the results displayed in areas of a display screen, characterised in that the windowing control mechanism includes, a task manager control program which runs as an application in the display manager control system and includes, means to interact, via the display manager, with the operator to allow applications to be initiated, means to create tasks to control the processing of the application in such a way that the applications can be suspended or resumed according to whether operator is available for them, means to identify to the display manager a coordination controller that the display manager can call to allow the task manager to suspend and resume applications, said display manager including, means to combine data from each application and build a display representation that shows many windows into the various applications onto a single screen and, means to call the coordination controller identified by the task management application so that the task manager can suspend applications that are waiting for input and resume those applications which have input available.</p> |
