-callback cmd (CS)
- 
Sets the callback to call when data is changed in a single line text object
and either a return keypress is received or the mouse pointer moves to another
field.
Additional callback keys:
 
 value
- 
contents of the text widget.
 
 -columns integer (CSG)
- 
Make the object integer number of columns wide. 
This means that integer characters are shown. 
In the graphical environment this will make the
width of the object integer  * Max_Charwidth wide.
 -filename string (CS)
- 
Sets a file (named string) whose contents
will be displayed in the text widget.
 -horizontalScrollBar boolean (CS)
- 
Sets whether to include a horizontal ScrollBar.
If TRUE a horizontal ScrollBar is displayed.
The default value is FALSE. This option is ignored
in character mode.
 -losingFocusCallback cmd (CS)
- 
Sets the command to call when the text widget loses focus.  This
routine is called regardless of whether the text has changed.
Additional callback keys:
 
 value
- 
value of the text widget.
 
 -noEcho  (C)
- 
When set, turns off echoing.
 -readOnly  (C)
- 
When set, disables editing of the text widget.
 -rows integer (CSG)
- 
Sets the number of character rows displayed in an object.
 -textVariable string (CS)
- 
Updates the interpreter variable string with the
widget value. The update happens under the same conditions that
would invoke -callback, but before -callback is
called. Setting a value into the interpreter variable
updates the Text widget as if setting -value on the widget.
 -value string (CSG)
- 
Sets the string value of the text.
 -valueChangedCallback cmd (CS)
- 
Sets the command called after text is inserted into or deleted from
the widget.
Additional callback keys:
 
 value
- 
value of the object.
 
 -verticalScrollBar boolean (CS)
- 
Set to TRUE for a vertical scroll bar,
otherwise FALSE.  The default value is FALSE. 
This is ignored in character mode.
 -wordWrap  (CS)
- 
When set, turns word wrap on.