Package nltk :: Package draw :: Class ParenWidget

Class ParenWidget

         object --+        
                  |        
       CanvasWidget --+    
                      |    
AbstractContainerWidget --+
                          |
                         ParenWidget

A canvas widget that places a pair of parenthases around a child widget.

Attributes:

color: The color used to draw the parenthases.
width: The width of the parenthases.
draggable: whether the text can be dragged by the user.

Instance Methods

[hide private]

(any)

__getitem__(self, attr)
Returns: the value of the attribute attr. source code

__init__(self, canvas, child, **attribs)
Create a new parenthasis widget.

source code

None

__setitem__(self, attr, value)
Set the value of the attribute attr to value. source code

list of int

_tags(self)
Returns: a list of canvas tags for all graphical elements managed by this canvas widget, not including graphical elements managed by its child widgets.

source code

None

_update(self, child)
Update this canvas widget in response to a change in one of its children.

source code

Inherited from AbstractContainerWidget: __repr__, child, set_child

Inherited from AbstractContainerWidget (private): _manage

Inherited from CanvasWidget: bbox, bind_click, bind_drag, canvas, child_widgets, destroy, height, hidden, hide, manage, move, moveto, parent, show, tags, unbind_click, unbind_drag, update, width

Inherited from CanvasWidget (private): _add_child_widget, _remove_child_widget

Inherited from object: __delattr__, __getattribute__, __hash__, __new__, __reduce__, __reduce_ex__, __setattr__, __str__

Properties

[hide private]

Inherited from object: __class__

Method Details

[hide private]

getitem(self, attr)
(Indexing operator)

source code

Returns: (any): the value of the attribute attr. See the class documentation for a list of attributes supported by this canvas widget.
Overrides: CanvasWidget.__getitem__: (inherited documentation)

init(self, canvas, child, **attribs)
(Constructor)

source code

Create a new parenthasis widget.

Parameters:

canvas (Tkinter.Canvas) - This canvas widget's canvas.
child (CanvasWidget) - The child widget. child must not have a parent.
attribs - The new canvas widget's attributes.

Overrides: AbstractContainerWidget.__init__

setitem(self, attr, value)
(Index assignment operator)

source code

Set the value of the attribute attr to value. See the class documentation for a list of attributes supported by this canvas widget.

Returns: None
Overrides: CanvasWidget.__setitem__: (inherited documentation)

_tags(self)

source code

Returns: list of int: a list of canvas tags for all graphical elements managed by this canvas widget, not including graphical elements managed by its child widgets.
Overrides: CanvasWidget._tags: (inherited documentation)

_update(self, child)

source code

Update this canvas widget in response to a change in one of its children.

Parameters:

child - The child that changed.

Returns: None

Overrides: CanvasWidget._update

(inherited documentation)

Class ParenWidget

__getitem__(self, attr) (Indexing operator)

__init__(self, canvas, child, **attribs) (Constructor)

__setitem__(self, attr, value) (Index assignment operator)

_tags(self)

_update(self, child)

getitem(self, attr)
(Indexing operator)

init(self, canvas, child, **attribs)
(Constructor)

setitem(self, attr, value)
(Index assignment operator)