Graphical undo/redo manager and method
US6111575A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Sep 24, 1998 |
| Grant date | Aug 29, 2000 |
| Priority date | — |
| Expiry date | Sep 24, 2018 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F9/451
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A graphical undo/redo manager provides a graphical indication of multiple tasks that were recently performed. A user may undo multiple tasks in one step by selecting a task the user wishes to revert to, and the graphical undo/redo manager then undoes all the commands that were done subsequent to the selected task, taking the computer program to a desired state in only one user operation. In similar fashion, a user may redo multiple tasks in one step by clicking on a selected subsequent task (that was previously undone) that the user wishes to go forward to, and the graphical undo/redo manager then redoes all the commands between the last undo and the selected task, including the selected task. In addition, the graphical undo/redo manager provides for collapsing multiple tasks into a marker, either automatically when certain commands are executed in the computer program or upon command by a user for future reference.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.