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TextUndo(3)		       User Contributed Perl Documentation		      TextUndo(3)

NAME
       Tk::TextUndo - perl/tk text widget with bindings to undo changes.

SYNOPSIS
	   use Tk::TextUndo;

	   $testundo = $parent->TextUndo(?-option=>value, ...?);

DESCRIPTION
       This IS-A text widget with an unlimited 'undo' history but without a re'undo' capability.

   Bindings
       The "TextUndo" widget has the same bindings as the Text widget.	In addition there are the
       following bindings:

       Event <L4> <<Undo>>
	   undo the last change.  Pressing <L4> several times undo step by step the changes made
	   to the text widget.

   Methods
       The "TextUndo" widget has the same methods as "Text" widget.  Additional methods for the
       "TextUndo" widget are:

       $text->Load($filename);
	   Loads the contents of the $filename into the text widget. Load() delete the previous
	   contents of the text widget as well as it's undo history of the previous file.

       $text->Save(?$otherfilename?)
	   Save contents of the text widget to a file. If the $otherfilename is not specified,
	   the text widget contents writes the file of $filename used in the last Load() call.
	   If no file was previously Load()'ed an error message pops up.  The default filename of
	   the last Load() call is not overwriten by $otherfilename.

       $text->FileName(?$otherfilename?)
	   If passed an argument sets the file name associated with the loaded document. Returns
	   the current file name associated with the document.

KEYS
       widget, text, undo

SEE ALSO
       Tk::Text, Tk::ROText

perl v5.16.3				    2014-06-10				      TextUndo(3)
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