button = new Button("Send");
button.setShortCut('\n');
button.addListener(this);
int innerHeight = height - 5;
GridLayoutManager manager = new GridLayoutManager(1, innerHeight);
super.getRootPanel().setLayoutManager(manager);
manager.addWidget(chatLog , 0, 0, 1, innerHeight - 2, WidgetsConstants.ALIGNMENT_CENTER, WidgetsConstants.ALIGNMENT_CENTER);
manager.addWidget(textField, 0, innerHeight - 2, 1, 1, WidgetsConstants.ALIGNMENT_CENTER, WidgetsConstants.ALIGNMENT_CENTER);
manager.addWidget(button , 0, innerHeight - 1, 1, 1, WidgetsConstants.ALIGNMENT_CENTER, WidgetsConstants.ALIGNMENT_CENTER);
}