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line_marker_provider.md: GutterIconDescriptor

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Yann Cébron 2021-05-03 12:19:28 +02:00
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topics/tutorials/custom_language_support/line_marker_provider.md
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@ -15,6 +15,8 @@ For this example, override the `collectNavigationMarkers()` method to collect us
```java
```
{src="simple_language_plugin/src/main/java/org/intellij/sdk/language/SimpleLineMarkerProvider.java"}
Extending from [`GutterIconDescriptor`](upsource:///platform/lang-api/src/com/intellij/codeInsight/daemon/GutterIconDescriptor.java) allows configuring gutter icons to be shown via <menupath>Settings/Preferences | Editor | General | Gutter Icons</menupath>.
## Best Practices for Implementing Line Marker Providers
This section addresses important details about implementing a marker provider.