QWebChannel: QWebChannel is used to communicate with QWebChannel C++...

In altairwei/rwebchannel: Qt QWebChannel client for R.

Description

QWebChannel is used to communicate with QWebChannel C++ Client

QWebChannel is used to communicate with QWebChannel C++ Client

Public fields

transport

A R6 object used to transport message.

execCallbacks

List of callbacks which should be executed after receiving data

execId

Identity number of QObject method excuting.

objects

List of QObject which caching object data of C++ side.

Methods

Public methods

• QWebChannel$new()

• QWebChannel$exec()

• QWebChannel$send()

• QWebChannel$debug()

• QWebChannel$handleSignal()

• QWebChannel$handleResponse()

• QWebChannel$handlePropertyUpdate()

• QWebChannel$clone()

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Method new()

Create a new QWebChannel object

Usage

QWebChannel$new(transport, initCallback = NULL)

Arguments

transport

A R6 object with send method

initCallback

Function to excute after building connection

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Method exec()

Record and send message

Usage

QWebChannel$exec(data, callback = NULL)

Arguments

data

Message data to send

callback

Function to excute after receiving returned information

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Method send()

Send data to C++ client

Usage

QWebChannel$send(data)

Arguments

data

A string or object which can be serialized to JSON format Send debug message

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Method debug()

Usage

QWebChannel$debug(message)

Arguments

message

Data to send. Handle response type message

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Method handleSignal()

Usage

QWebChannel$handleSignal(message)

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Method handleResponse()

Usage

QWebChannel$handleResponse(message)

Arguments

message

Message to handle

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Method handlePropertyUpdate()

Usage

QWebChannel$handlePropertyUpdate(message)

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Method clone()

The objects of this class are cloneable with this method.

Usage

QWebChannel$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

altairwei/rwebchannel documentation built on May 27, 2021, 1:08 p.m.