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MessageListener Class Referenceabstract

MessageListener subclasses can post and receive Message objects. More...

Inheritance diagram for MessageListener:

Public Member Functions

 MessageListener () noexcept
 
virtual ~MessageListener ()
 Destructor. More...
 
virtual void handleMessage (const Message &message)=0
 This is the callback method that receives incoming messages. More...
 
void postMessage (Message *message) const
 Sends a message to the message queue, for asynchronous delivery to this listener later on. More...
 

Detailed Description

MessageListener subclasses can post and receive Message objects.

See also
Message, MessageManager, ActionListener, ChangeListener

Constructor & Destructor Documentation

◆ MessageListener()

MessageListener::MessageListener ( )
noexcept

◆ ~MessageListener()

virtual MessageListener::~MessageListener ( )
virtual

Destructor.

Member Function Documentation

◆ handleMessage()

virtual void MessageListener::handleMessage ( const Message message)
pure virtual

This is the callback method that receives incoming messages.

This is called by the MessageManager from its dispatch loop.

See also
postMessage

◆ postMessage()

void MessageListener::postMessage ( Message message) const

Sends a message to the message queue, for asynchronous delivery to this listener later on.

This method can be called safely by any thread.

Parameters
messagethe message object to send - this will be deleted automatically by the message queue, so make sure it's allocated on the heap, not the stack!
See also
handleMessage

The documentation for this class was generated from the following file: