Add option to use UI font for lenses

Closes #23

src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLens.kt

@@ -1,14 +1,15 @@
 package com.chylex.intellij.inspectionlens.editor
 
+import com.chylex.intellij.inspectionlens.settings.LensSettingsState
 import com.intellij.codeInsight.daemon.impl.HighlightInfo
 import com.intellij.openapi.editor.Editor
 
 internal class EditorLens private constructor(private var inlay: EditorLensInlay, private var lineBackground: EditorLensLineBackground) {
-	fun update(info: HighlightInfo): Boolean {
+	fun update(info: HighlightInfo, settings: LensSettingsState): Boolean {
 		val editor = inlay.editor
 		
 		if (!inlay.tryUpdate(info)) {
-			inlay = EditorLensInlay.show(editor, info) ?: return false
+			inlay = EditorLensInlay.show(editor, info, settings) ?: return false
 		}
 		
 		if (lineBackground.shouldRecreate(info)) {
@@ -27,8 +28,8 @@ internal class EditorLens private constructor(private var inlay: EditorLensInlay
 	}
 	
 	companion object {
-		fun show(editor: Editor, info: HighlightInfo): EditorLens? {
-			val inlay = EditorLensInlay.show(editor, info) ?: return null
+		fun show(editor: Editor, info: HighlightInfo, settings: LensSettingsState): EditorLens? {
+			val inlay = EditorLensInlay.show(editor, info, settings) ?: return null
 			val lineBackground = EditorLensLineBackground.show(editor, info)
 			return EditorLens(inlay, lineBackground)
 		}

src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensInlay.kt

@@ -1,5 +1,6 @@
 package com.chylex.intellij.inspectionlens.editor
 
+import com.chylex.intellij.inspectionlens.settings.LensSettingsState
 import com.intellij.codeInsight.daemon.impl.HighlightInfo
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.Inlay
@@ -25,12 +26,15 @@ internal value class EditorLensInlay(private val inlay: Inlay<LensRenderer>) {
 	}
 	
 	companion object {
-		fun show(editor: Editor, info: HighlightInfo): EditorLensInlay? {
+		fun show(editor: Editor, info: HighlightInfo, settings: LensSettingsState): EditorLensInlay? {
 			val offset = getInlayHintOffset(info)
 			val priority = getInlayHintPriority(editor, info)
+			val renderer = LensRenderer(info, settings)
 			
-			val renderer = LensRenderer(info)
-			val properties = InlayProperties().relatesToPrecedingText(true).disableSoftWrapping(true).priority(priority)
+			val properties = InlayProperties()
+				.relatesToPrecedingText(true)
+				.disableSoftWrapping(true)
+				.priority(priority)
 			
 			return editor.inlayModel.addAfterLineEndElement(offset, properties, renderer)?.let(::EditorLensInlay)
 		}

src/main/kotlin/com/chylex/intellij/inspectionlens/editor/EditorLensManager.kt

@@ -1,5 +1,7 @@
 package com.chylex.intellij.inspectionlens.editor
 
+import com.chylex.intellij.inspectionlens.settings.LensSettingsState
+import com.intellij.openapi.components.service
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.markup.RangeHighlighter
 import com.intellij.openapi.util.Key
@@ -26,6 +28,7 @@ class EditorLensManager private constructor(private val editor: Editor) {
 	}
 	
 	private val lenses = IdentityHashMap<RangeHighlighter, EditorLens>()
+	private val settings = service<LensSettingsState>()
 	
 	private fun show(highlighterWithInfo: HighlighterWithInfo) {
 		val (highlighter, info) = highlighterWithInfo
@@ -36,14 +39,14 @@ class EditorLensManager private constructor(private val editor: Editor) {
 		
 		val existingLens = lenses[highlighter]
 		if (existingLens != null) {
-			if (existingLens.update(info)) {
+			if (existingLens.update(info, settings)) {
 				return
 			}
 			
 			existingLens.hide()
 		}
 		
-		val newLens = EditorLens.show(editor, info)
+		val newLens = EditorLens.show(editor, info, settings)
 		if (newLens != null) {
 			lenses[highlighter] = newLens
 		}

src/main/kotlin/com/chylex/intellij/inspectionlens/editor/LensMarkupModelListener.kt

@@ -17,7 +17,7 @@ import com.intellij.openapi.util.Key
  * Listens for inspection highlights and reports them to [EditorLensManager].
  */
 internal class LensMarkupModelListener private constructor(editor: Editor) : MarkupModelListener {
-	private val settingsService = service<LensSettingsState>()
+	private val settings = service<LensSettingsState>()
 	private val lensManagerDispatcher = EditorLensManagerDispatcher(EditorLensManager.getOrCreate(editor))
 	
 	override fun afterAdded(highlighter: RangeHighlighterEx) {
@@ -55,7 +55,7 @@ internal class LensMarkupModelListener private constructor(editor: Editor) : Mar
 	}
 	
 	private fun getFilteredHighlightInfo(highlighter: RangeHighlighter): HighlightInfo? {
-		return HighlightInfo.fromRangeHighlighter(highlighter)?.takeIf { settingsService.severityFilter.test(it.severity) }
+		return HighlightInfo.fromRangeHighlighter(highlighter)?.takeIf { settings.severityFilter.test(it.severity) }
 	}
 	
 	private inline fun runWithHighlighterIfValid(highlighter: RangeHighlighter, actionForImmediate: (HighlighterWithInfo) -> Unit, actionForAsync: (HighlighterWithInfo.Async) -> Unit) {

src/main/kotlin/com/chylex/intellij/inspectionlens/editor/LensRenderer.kt

@@ -1,5 +1,6 @@
 package com.chylex.intellij.inspectionlens.editor
 
+import com.chylex.intellij.inspectionlens.settings.LensSettingsState
 import com.intellij.codeInsight.daemon.impl.HighlightInfo
 import com.intellij.codeInsight.daemon.impl.HintRenderer
 import com.intellij.openapi.editor.Editor
@@ -12,7 +13,8 @@ import java.awt.Rectangle
 /**
  * Renders the text of an inspection lens.
  */
-class LensRenderer(info: HighlightInfo) : HintRenderer(null) {
+class LensRenderer(info: HighlightInfo, settings: LensSettingsState) : HintRenderer(null) {
+	private val useEditorFont = settings.useEditorFont
 	private lateinit var severity: LensSeverity
 	
 	init {
@@ -34,7 +36,7 @@ class LensRenderer(info: HighlightInfo) : HintRenderer(null) {
 	}
 	
 	override fun useEditorFont(): Boolean {
-		return true
+		return useEditorFont
 	}
 	
 	private companion object {

src/main/kotlin/com/chylex/intellij/inspectionlens/settings/LensApplicationConfigurable.kt

@@ -89,6 +89,12 @@ class LensApplicationConfigurable : BoundConfigurable("Inspection Lens"), Config
 					checkBox("Other").bindSelected(settings::showUnknownSeverities)
 				}
 			}
+			
+			group("Appearance") {
+				row {
+					checkBox("Use editor font").bindSelected(settings::useEditorFont)
+				}
+			}
 		}
 	}
 	

src/main/kotlin/com/chylex/intellij/inspectionlens/settings/LensSettingsState.kt

@@ -20,6 +20,7 @@ class LensSettingsState : SimplePersistentStateComponent<LensSettingsState.State
 		val hiddenSeverities by map<String, StoredSeverity>()
 		
 		var showUnknownSeverities by property(true)
+		var useEditorFont by property(true)
 	}
 	
 	@get:Synchronized
@@ -27,6 +28,9 @@ class LensSettingsState : SimplePersistentStateComponent<LensSettingsState.State
 	var severityFilter = createSeverityFilter()
 		private set
 	
+	val useEditorFont
+		get() = state.useEditorFont
+	
 	override fun loadState(state: State) {
 		super.loadState(state)
 		update()