TextUndo(3pm)
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