Extending the service that shows a green checkmark or yellow and red warnings in the top-right of the editor. (traffic light?) Follow
I want to somehow extend the traffic light component of IntelliJ by adding a new icon or color that will show up once a specific condition is met.
Is there any way to extend this part of IntelliJ or do I have to find an alternative solution of showing a specific circumstance to the user?
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The icon/color are shown according to results from highlighting and severity levels (see Preferences | Editor | Inspections settings). Alternatively (but visually more intrusive) is API to add banner on top of editor https://plugins.jetbrains.com/docs/intellij/notifications.html#editor-banner