Clear the selection and append aString at the end of the
widget.
insertSelectedText: aString
Insert aString in the widget at the current insertion point,
leaving the currently selected text (if any) in place, and
selecting the text.
insertText: aString
Insert aString in the widget at the current insertion point,
replacing the currently selected text (if any).
insertText: aString at: position
Insert aString in the widget at the given position,
replacing the currently selected text (if any). The
position is a Point object in which both coordinates are 1-based:
the first line is line 1, and the first character in the first
line is character 1.
insertTextSelection: aString
Insert aString in the widget after the current selection,
leaving the currently selected text (if any) intact.
invokeCallback
Generate a synthetic callback.
nextPut: aCharacter
Clear the selection and append aCharacter at the end of the
widget.
nextPutAll: aString
Clear the selection and append aString at the end of the
widget.
nl
Clear the selection and append a linefeed character at the
end of the widget.
refuseTabs
Arrange so that Tab characters, instead of being inserted
in the widget, traverse the widgets in the parent window.
replaceSelection: aString
Insert aString in the widget at the current insertion point,
replacing the currently selected text (if any), and leaving
the text selected.
searchString: aString
Search aString in the widget. If it is not found,
answer zero, else answer the 1-based line number
and move the insertion point to the place where
the string was found.
space
Clear the selection and append a space at the end of the
widget.