Any DomUI application that was started through IntelliJ can show the code for screens and components inside IntelliJ on request.
To do this, move the mouse to the component on the DomUI screen you want to inspect and press the tilde quickly twice:
By clicking the icons you can either open the component's source code or you can open the location where that component was created. After the click the location opens in IntelliJ at the correct spot.
This helps with "decoding" DomUI screens and makes it easy to find how screens are constructed – and where.
Error message links
Some DomUI errors will show a location trace when something goes wrong, for example:
Clicking the stack trace elements will open the relevant file at the correct location inside the IDE.
Source code help
Replacing string referring to JavaBean properties with DomUI typed references