The Internal Actions UI submenu provides IntelliJ Platform plugin developers with a suite of tools to help develop, debug, and test their IntelliJ Platform project UI.
tip
If the menu item Tools | Internal Actions is not available in the IDE, then the first step is Enabling Internal Mode.
The Tools Available on the UI Submenu
Here are some tools available on the UI submenu of the Internal Actions menu:
UI Inspector is a tool to get an internal description with each UI element's properties.
LaF Defaults provides a way to lookup the key-value pair for a UI element, and the ability to prototype the color of UI Controls.