Tk::TextUndo - perl/tk text widget with bindings to undo changes.
use Tk::TextUndo;
$testundo = $parent->TextUndo(?-option=>value, ...?);
This IS-A text widget with an unlimited 'undo' history but without
a re'undo' capability.
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.
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.
widget, text, undo
Tk::Text, Tk::ROText