Answer how many characters are there in the number-th line
currentColumn
Answer the 1-based column number where the insertion point
currently lies.
currentLine
Answer the 1-based line number where the insertion point
currently lies.
currentPosition
Answer a Point representing where the insertion point
currently lies. Both coordinates in the answer are 1-based:
the first line is line 1, and the first character in the first
line is character 1.
currentPosition: aPoint
Move the insertion point to the position given by aPoint.
Both coordinates in aPoint are interpreted as 1-based:
the first line is line 1, and the first character in the first
line is character 1.
gotoLine: line end: aBoolean
If aBoolean is true, move the insertion point to the last
character of the line-th line (1 being the first line
in the widget); if aBoolean is false, move it to the start
of the line-th line.
indexAt: point
Answer the position of the character that covers the
pixel whose coordinates within the text's window are
given by the supplied Point object.
lineAt: number
Answer the number-th line of text in the widget
numberOfLines
Answer the number of lines in the widget
selectFrom: first to: last
Select the text between the given endpoints. The two endpoints
are Point objects in which both coordinates are 1-based: the
first line is line 1, and the first character in the first line
is character 1.