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