FIx Infinite Loop When Zero-Width

Author: thecoolwinter

Example/CodeEditTextViewExample/CodeEditTextViewExample.xcodeproj/xcshareddata/xcschemes/CodeEditTextViewExample.xcscheme

@@ -0,0 +1,78 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<Scheme
+   LastUpgradeVersion = "1620"
+   version = "1.7">
+   <BuildAction
+      parallelizeBuildables = "YES"
+      buildImplicitDependencies = "YES"
+      buildArchitectures = "Automatic">
+      <BuildActionEntries>
+         <BuildActionEntry
+            buildForTesting = "YES"
+            buildForRunning = "YES"
+            buildForProfiling = "YES"
+            buildForArchiving = "YES"
+            buildForAnalyzing = "YES">
+            <BuildableReference
+               BuildableIdentifier = "primary"
+               BlueprintIdentifier = "6CCDA27C2D306A1B007CD84A"
+               BuildableName = "CodeEditTextViewExample.app"
+               BlueprintName = "CodeEditTextViewExample"
+               ReferencedContainer = "container:CodeEditTextViewExample.xcodeproj">
+            </BuildableReference>
+         </BuildActionEntry>
+      </BuildActionEntries>
+   </BuildAction>
+   <TestAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      shouldAutocreateTestPlan = "YES">
+   </TestAction>
+   <LaunchAction
+      buildConfiguration = "Debug"
+      selectedDebuggerIdentifier = "Xcode.DebuggerFoundation.Debugger.LLDB"
+      selectedLauncherIdentifier = "Xcode.DebuggerFoundation.Launcher.LLDB"
+      launchStyle = "0"
+      useCustomWorkingDirectory = "NO"
+      ignoresPersistentStateOnLaunch = "NO"
+      debugDocumentVersioning = "YES"
+      debugServiceExtension = "internal"
+      allowLocationSimulation = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "6CCDA27C2D306A1B007CD84A"
+            BuildableName = "CodeEditTextViewExample.app"
+            BlueprintName = "CodeEditTextViewExample"
+            ReferencedContainer = "container:CodeEditTextViewExample.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </LaunchAction>
+   <ProfileAction
+      buildConfiguration = "Release"
+      shouldUseLaunchSchemeArgsEnv = "YES"
+      savedToolIdentifier = ""
+      useCustomWorkingDirectory = "NO"
+      debugDocumentVersioning = "YES">
+      <BuildableProductRunnable
+         runnableDebuggingMode = "0">
+         <BuildableReference
+            BuildableIdentifier = "primary"
+            BlueprintIdentifier = "6CCDA27C2D306A1B007CD84A"
+            BuildableName = "CodeEditTextViewExample.app"
+            BlueprintName = "CodeEditTextViewExample"
+            ReferencedContainer = "container:CodeEditTextViewExample.xcodeproj">
+         </BuildableReference>
+      </BuildableProductRunnable>
+   </ProfileAction>
+   <AnalyzeAction
+      buildConfiguration = "Debug">
+   </AnalyzeAction>
+   <ArchiveAction
+      buildConfiguration = "Release"
+      revealArchiveInOrganizer = "YES">
+   </ArchiveAction>
+</Scheme>

Sources/CodeEditTextView/TextLayoutManager/TextLayoutManager+Public.swift

@@ -134,7 +134,7 @@ extension TextLayoutManager {
         point: CGPoint,
         inLine linePosition: TextLineStorage<TextLine>.TextLinePosition
     ) -> Int? {
-        guard let (content, contentPosition) = fragment.findContent(atX: point.x) else {
+        guard let (content, contentPosition) = fragment.findContent(atX: point.x - edgeInsets.left) else {
             return nil
         }
         switch content.data {

Sources/CodeEditTextView/TextLine/LineFragment.swift

@@ -17,10 +17,10 @@ public final class LineFragment: Identifiable, Equatable {
             case attachment(attachment: AnyTextAttachment)
         }
 
-        let data: Content
-        let width: CGFloat
+        public let data: Content
+        public let width: CGFloat
 
-        var length: Int {
+        public var length: Int {
             switch data {
             case .text(let line):
                 CTLineGetStringRange(line).length

Sources/CodeEditTextView/TextLine/Typesetter/Typesetter.swift

@@ -44,7 +44,7 @@ final public class Typesetter {
         lineFragments.removeAll()
 
         // Fast path
-        if string.length == 0 {
+        if string.length == 0 || displayData.maxWidth <= 0 {
             typesetEmptyLine(displayData: displayData, string: string)
             return
         }