I\'m using JavaFx for a little app and a want to display a tooltip on a textArea when the user is clicking on a \"help\" button.
No problem for linking a tootltip to
The ability to display a Tooltip on demand requires a resolution of RT-19538 Customizable visibility timing for Tooltip, which is not implemented in JavaFX 2.2.
As a workaround, you could try any of the possible strategies below:
3rd party libraries such as Jide's JavaFX Beta Release provide special classes like Decorator utilities, IntelliHints and ShapedPopups which might be useful in your case.