On December 8 the US Patent and Trademark Office revealed that Apple had filed a patent titled “System for real-time adaptation to changes in display configuration.”
The following is an abstract from the Patent Filing; “A hot-plugging capability for video devices is achieved by shifting the responsibility for recognizing changes in the configuration of a display environment from a computer’s operating system to a device manager. When an input/output device is added to or removed from the computer system, an interrupt signal informs a device manager of the fact that a change in configuration has occurred.
In response thereto, the device manager determines whether the changed component relates to the computer’s display function. If so, the device manager makes a call to the computer’s display manager, to inform it of the fact that the display configuration has changed. In response to this call, the display manager reconfigures the display space for the computer system and notifies clients as appropriate, to accommodate display features associated with the added component. With this change in the configuration of the display space, the added component becomes immediately available for use.”
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