<label text="Message:" mnemonic="5"/> <textfield name="message" colspan="3" action="validate_topic(this.text)" perform="doSend(this.text, logarea, messagearea)"/> <button name="send" text="Send" tooltip="Sends your message to subscribers" action="doSend(message.text, logarea, messagearea)"/> <textarea name="messagearea" colspan="6" halign="fill" valign="fill" weighty="1" /> </panel> </panel>