Message protocol for controlling a user interface from an inactive application program
DC CAFCFirst Claim
1. In a computer system comprising a processor, a display, a memory, a user input device, a first process operative in the computer system, a second process operative in the computer system as a foreground process and a user interface on said computer system display under the control of the second process, a method for the first process to perform operations for the second process and control a content of the user interface on said computer system display, said content under control of the foreground second process operative in said computer system, said first process controlling the content to display information regarding the operations performed by the first process for the second process, said method comprising the following steps:
- a. installing an event handling process as part of said second process, said event handling process when said second process is operative in said computer system, servicing events generated by the first process for controlling said user interface display under control of said second process;
b. said second process initiating said first process to perform operations for said second process, said second process operative in the foreground and said first process operative in the background;
d. said first process generating events for controlling said user interface display while the second process remains as a foreground process and the first process is a background process, said events providing information regarding the operations performed by said first process for the second process; and
e. said event handling process receiving events generated by said first process, said event handling process updating said user interface on said computer system display according to said events generated by said first process, while said first process remains in the background, and received by said event handling process.
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Abstract
Method and apparatus for a first process operative in a computer system controlling a user interface on a computer system display under control of a second process operative in the computer system. An event handler is installed for the second process, the event handler servicing events generated for controlling the user interface display under control of the second process. The first process may then perform a first set of functions in the computer system. The first process generates events for controlling the user interface display, the events related to the functions performed by the first process. The event handler receives the events generated by the first process and updates the user interface on the computer system display according to the events generated by the first process and received by the event handler.
74 Citations
1 Claim
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1. In a computer system comprising a processor, a display, a memory, a user input device, a first process operative in the computer system, a second process operative in the computer system as a foreground process and a user interface on said computer system display under the control of the second process, a method for the first process to perform operations for the second process and control a content of the user interface on said computer system display, said content under control of the foreground second process operative in said computer system, said first process controlling the content to display information regarding the operations performed by the first process for the second process, said method comprising the following steps:
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a. installing an event handling process as part of said second process, said event handling process when said second process is operative in said computer system, servicing events generated by the first process for controlling said user interface display under control of said second process; b. said second process initiating said first process to perform operations for said second process, said second process operative in the foreground and said first process operative in the background; d. said first process generating events for controlling said user interface display while the second process remains as a foreground process and the first process is a background process, said events providing information regarding the operations performed by said first process for the second process; and e. said event handling process receiving events generated by said first process, said event handling process updating said user interface on said computer system display according to said events generated by said first process, while said first process remains in the background, and received by said event handling process.
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Specification