Tk::TextUndo(3) perl/Tk Documentation Tk::TextUndo(3)NAMETk::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 the Text
manpage widget. Additionally to the the Text manpage
widget there are the following bindings:
Event <L4>
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 method 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.
KEYS
widget, text, undo
SEE ALSOTk::Text(3), Tk::ROText(3)25/Aug/1997 Tk400.202 1
Tk::TextUndo(3) perl/Tk Documentation Tk::TextUndo(3)25/Aug/1997 Tk400.202 2
