ListNodesServiceClient QML Type
Qt service client for the ListNodes ROS 2 service. More...
| Import Statement: | import QtRos2.CompositionInterfaces |
| Inherits: | |
| Status: | Experimental Extension |
Properties
- response : listNodesResponse
Signals
- callFailed(string error)
- responseReceived(listNodesResponse response)
Methods
- QJSValue callService()
Detailed Description
ListNodesServiceClient calls a ROS 2 service. Set the topic and node properties, then call callService() to invoke the service.
Property Documentation
response : listNodesResponse
The most recent response received from the service, whether the call was made via callService(). Holds a default-constructed value until the first response arrives. Updated just before responseReceived is emitted.
Signal Documentation
callFailed(string error)
Emitted when the service call fails. error contains the error message.
Note: The corresponding handler is onCallFailed.
responseReceived(listNodesResponse response)
Emitted when the service call completes successfully. response is a listNodesResponse value.
Note: The corresponding handler is onResponseReceived.
Method Documentation
QJSValue callService()
Calls the ListNodes ROS 2 service. Returns a JS promise that resolves with a listNodesResponse response or rejects with an error string. isServiceReady must be true before calling.
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