FieldSubscriber QML Type
Subscribes to type_description_interfaces::msg::Field messages — Represents a single field in a type. More...
| Import Statement: | import QtRos2.TypeDescriptionInterfaces |
| Inherits: | |
| Status: | Experimental Extension |
Properties
- defaultValue : string
- message : field
- name : string
- type : fieldType
Signals
- messageReceived(field msg)
Detailed Description
FieldSubscriber receives field values from a ROS 2 topic. Set the topic and node properties, then connect to the messageReceived() signal.
See also FieldPublisher and field.
Property Documentation
defaultValue : string
The defaultValue field of the last received message. Updated whenever a new message arrives. defaultValueChanged is emitted on every update.
message : field
The last message received on topic. Updated whenever a new message arrives.
name : string
The name field of the last received message. Updated whenever a new message arrives. nameChanged is emitted on every update.
type : fieldType
The type field of the last received message. Updated whenever a new message arrives. typeChanged is emitted on every update.
Signal Documentation
messageReceived(field msg)
Emitted when a new field arrives on topic. msg contains the received value.
Note: The corresponding handler is onMessageReceived.
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