Trimble Solutions Corporation

Justiina Heilimo

Teemu Heikkonen

Jukka Lavonen

Teemu Rantanen

Sampo Syrjänen

Mika Uimonen

Jenny Ginman

Liisa Kause

In a lossless undo mechanism history log information on completed actions and reversed actions created by one or more completed undo functions is maintained. The lossless undo mechanism causes an undo loop between a first state created by an action to which the undo function is performed and a second state created by the last reversed action of the completed undo function. The first and second state form a pair of ends of the undo loop. The pairs of ends are used to determine intersecting undo loops. Further, a predetermined rule set is used to determine which one of two or more intersecting undo loops is selected to be outputted as an undo loop in a tree-view structure that is outputted to illustrate the history log information.

Outputting history log information

To facilitate selection of a control that defines one or more commands to be performed to data content, a control display structure for an application is introduced. According to the structure, in a display area of a running application on a graphical user interface at least a first link and a second link are displayed in link area, at least a first container comprising at least one or more controls that are associated with the first link, and the second container comprising at least one or more controls that are associated with the second link, in a container area, wherein the controls displayed are freely selectable.

Display area wide control area

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Espoo, Finland

Justiina Heilimo