Label¶
macOS |
GTK+ |
Windows |
iOS |
Android |
Django |
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The Label is a text-label for annotating forms or interfaces.

Usage¶
import toga
label = toga.Label('Hello world')
Reference¶
- class toga.widgets.label.Label(text, id=None, style=None, factory=None)¶
A text label.
- Parameters
text (str) – Text of the label.
id (str) – An identifier for this widget.
style (
Style
) – An optional style object. If no style is provided then a new one will be created for the widget.factory (
module
) – A python module that is capable to return a implementation of this class with the same name. (optional; normally not needed)
- add(*children)¶
Add nodes as children of this one. If a node already has a different parent, it will be moved over. This does nothing if a node already is a child of this node.
- Parameters
children – Nodes to add as children of this node.
- Raises
ValueError – If this node is a leaf, and cannot have children.
- property app¶
The App to which this widget belongs. On setting the app we also iterate over all children of this widget and set them to the same app.
- Returns
The
toga.App
to which this widget belongs.- Raises
ValueError – If the widget is already associated with another app.
- property can_have_children¶
Determine if the node can have children.
This does not resolve whether there actually are any children; it only confirms whether children are theoretically allowed.
- property children¶
The children of this node. This always returns a list, even if the node is a leaf and cannot have children.
- Returns
A list of the children for this widget.
- property enabled¶
- focus()¶
- property id¶
The node identifier. This id can be used to target styling directives
- Returns
The widgets identifier as a
str
.
- insert(index, child)¶
Insert a node as a child of this one. If the node already has a different parent, it will be moved over. This does nothing if the node already is a child of this node.
- Parameters
index – Position of child node.
child – A node to insert as a child of this node.
- Raises
ValueError – If this node is a leaf, and cannot have children.
- property parent¶
The parent of this node.
- Returns
The parent of this node. Returns None if this node is the root node.
- refresh()¶
Refresh the layout and appearance of the tree this node is contained in.
- refresh_sublayouts()¶
- remove(*children)¶
Remove child nodes of this node. This does nothing if a given node is not a child of this node.
- Parameters
children – Child nodes to remove.
- Raises
ValueError – If this node is a leaf, and cannot have children.
- property root¶
The root of the tree containing this node.
- Returns
The root node. Returns self if this node is the root node.
- property text¶
The text displayed by the label.
- Returns
The text displayed by the label.
- property window¶
The Window to which this widget belongs. On setting the window, we automatically update all children of this widget to belong to the same window.
- Returns
The
toga.Window
to which the widget belongs.