DYNAMIC REGION BASED APPLICATION OPERATIONS

Abstract

A method comprising: providing a data structure for a region of a document, the data structure including a start value, an end value, and an offset value that define the region within the document; and responsive to detection of a modification of content within the region, determining a count of the number of lines of the document within the region; adjusting at least one of the start value, the end value, and the offset value of the region to change an area of the region based on the count of the number of lines; and pushing a record of the modification onto a stack of the region in response to the modification of content within the region, the stack configured to receive elements representative of individual actions to be performed on content within the region of the document, so as to enable the modification to be undone or redone in a non-linear fashion.

Inventors

Applicants

IPC Classification

G06F 40/ 166 A I