The default statusbar has a message area, and a progress area. The progress area is default hidden.

Error messages and info messages are shown in the same area, but the error messages are shown in red.

If an error message is shown when a info message is shown, the error message is shown over the info message. When the error message is erased, the info message is restored.

Two types of messages can be set on a statusbar, an error message and a "normal" message. A StatusBar implementation is free to choose the rendering style of the messages.

The statusbar can provide a ProgressMonitor.

TODO: more text needed

To provide another StatusBar implementation, implement the StatusBar interface, and override the ApplicationLifecycleAdvisor.getStatusBar() method.

If you have a CustomStatusBar class like this ...

public CustomStatusBar implements StatusBar {
    ...
}

you use it like this:

public class CustomApplicationLifecycleAdvisor extends DefaultApplicationLifecycleAdvisor {

    ...

    @Override
    public StatusBar getStatusBar() {
        return new CustomStatusBar();
    }
    
    ...
}