File Input Protect for Full-Duplex Full-Screen Text Editors, Word-Processors, and Multimedia Editors
Original Publication Date: 1997-May-01
Included in the Prior Art Database: 2005-Apr-01
Breslau, FC: AUTHOR [+3]
Disclosed is a mechanism for protecting text, graphics, spread-sheet contents, or multimedia being edited from inadvertent change by the user during a full-duplex edit session.
File Input Protect for Full-Duplex Full-Screen Text
and Multimedia Editors
a mechanism for protecting text, graphics,
spread-sheet contents, or multimedia being edited from inadvertent
change by the user during a full-duplex edit session.
full-duplex editor (conventional text editor, for
example, EPM; graphics editor, for example, Lotus Freelance*
Graphics; word-processor, for example, Lotus WordPro*; spread-sheet,
for example, Lotus 1-2-3; or multi-media editor), a new contents
attribute is defined together with a set of associated control
attribute (called PROT) is defined, which has two states
for the data it is associated with. The states are denoted as ON and
OFF. PROT OFF restricts data associated with it from being modified
until PROT ON is set for the associated data. The attribute settings
are kept by a full-duplex editor in the array of attributes
associated with the data being edited.
A set of
associated editor commands is defined. A
an edit session, can toggle the PROT attribute settings for a
designated area of data by marking the desired area with a mouse or
appropriate keyboard keys and setting the PROT attribute to a desired
value by the conventional editor attribute setting means (for
example, clicking the right mouse button and bringing up a "Text
Attributes" window in Lotus WordPro).
When the PROT
attribute is set to ON for a specified area, the
user cannot modify the contents of data in that area until the PROT
attribute is reset to OFF. This protection from inadvertent
modification of data by a user is accomplished by the editor
comparing the current s...