XmTextSetHighlight highlights text between the two specified
character positions. The mode parameter determines the type of
highlighting. Highlighting text merely changes the visual appearance of
the text; it does not set the selection.
widget
Specifies the Text widget ID
left
Specifies the position of the left boundary of text to be highlighted.
This is an integer number of characters from the beginning of the text
buffer. The first character position is 0 (zero).
right
Specifies the position of the right boundary of text to be highlighted.
This is an integer number of characters from the beginning of the text
buffer. The first character position is 0 (zero).
mode
Specifies the type of highlighting to be done. A value of
XmHIGHLIGHT_NORMAL removes highlighting. A value of
XmHIGHLIGHT_SELECTED highlights the text using reverse video. A
value of XmHIGHLIGHT_SECONDARY_SELECTED highlights the text using
underlining.
For a complete definition of Text and its associated resources, see
XmText(3).