WIP

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "org.acejump"
-version = "chylex-26"
+version = "chylex-21"
 
 repositories {
   mavenCentral()
@@ -18,7 +18,7 @@ intellij {
   version.set("2024.2")
   updateSinceUntilBuild.set(false)
   
-  plugins.add("IdeaVIM:chylex-41")
+  plugins.add("IdeaVIM:chylex-40")
   plugins.add("com.intellij.classic.ui:242.20224.159")
   
   pluginsRepositories {

src/main/kotlin/org/acejump/action/AceVimAction.kt

@@ -16,7 +16,7 @@ import com.maddyhome.idea.vim.group.visual.vimSetSelection
 import com.maddyhome.idea.vim.helper.inVisualMode
 import com.maddyhome.idea.vim.helper.vimSelectionStart
 import com.maddyhome.idea.vim.newapi.vim
-import com.maddyhome.idea.vim.state.mode.Mode.OP_PENDING
+import com.maddyhome.idea.vim.state.mode.Mode
 import com.maddyhome.idea.vim.state.mode.SelectionType
 import org.acejump.boundaries.StandardBoundaries.AFTER_CARET
 import org.acejump.boundaries.StandardBoundaries.BEFORE_CARET
@@ -52,8 +52,8 @@ sealed class AceVimAction : DumbAwareAction() {
           }
           else {
             val vim = editor.vim
-            if (vim.mode is OP_PENDING) {
-              val keyHandler = KeyHandler.getInstance()
+            val keyHandler = KeyHandler.getInstance()
+            if (keyHandler.isOperatorPending(vim.mode, keyHandler.keyHandlerState)) {
               val key = keyHandler.keyHandlerState.commandBuilder.keys.singleOrNull()?.keyChar
               
               keyHandler.fullReset(vim)
@@ -71,10 +71,10 @@ sealed class AceVimAction : DumbAwareAction() {
               if (action != null) {
                 ApplicationManager.getApplication().invokeLater {
                   WriteAction.run<Nothing> {
-                    keyHandler.keyHandlerState.commandBuilder.addAction(action)
+                    keyHandler.keyHandlerState.commandBuilder.pushCommandPart(action)
                     
                     val cmd = keyHandler.keyHandlerState.commandBuilder.buildCommand()
-                    val operatorArguments = OperatorArguments(vim.mode is OP_PENDING, cmd.rawCount, injector.vimState.mode)
+                    val operatorArguments = OperatorArguments(vim.mode is Mode.OP_PENDING, cmd.rawCount, injector.vimState.mode)
                     
                     injector.vimState.executingCommand = cmd
                     injector.actionExecutor.executeVimAction(vim, action, context, operatorArguments)

src/main/kotlin/org/acejump/boundaries/EditorOffsetCache.kt

@@ -18,11 +18,6 @@ sealed class EditorOffsetCache {
    */
   abstract fun visibleArea(editor: Editor): Pair<Point, Point>
   
-  /**
-   * Returns whether the offset is in the visible area rectangle.
-   */
-  abstract fun isVisible(editor: Editor, offset: Int): Boolean
-  
   /**
    * Returns the editor offset at the provided pixel coordinate.
    */
@@ -41,7 +36,6 @@ sealed class EditorOffsetCache {
   
   private class Cache : EditorOffsetCache() {
     private var visibleArea: Pair<Point, Point>? = null
-    private val lineToVisibleOffsetRange = Int2ObjectOpenHashMap<IntRange>()
     private val pointToOffset = Object2IntOpenHashMap<Point>().apply { defaultReturnValue(-1) }
     private val offsetToPoint = Int2ObjectOpenHashMap<Point>()
     
@@ -49,24 +43,6 @@ sealed class EditorOffsetCache {
       return visibleArea ?: Uncached.visibleArea(editor).also { visibleArea = it }
     }
     
-    override fun isVisible(editor: Editor, offset: Int): Boolean {
-      val visualLine = editor.offsetToVisualLine(offset, false)
-      
-      var visibleRange = lineToVisibleOffsetRange.get(visualLine)
-      if (visibleRange == null) {
-        val (topLeft, bottomRight) = visibleArea(editor)
-        val lineY = editor.visualLineToY(visualLine)
-        
-        val firstVisibleOffset = xyToOffset(editor, Point(topLeft.x, lineY))
-        val lastVisibleOffset = xyToOffset(editor, Point(bottomRight.x, lineY))
-        
-        visibleRange = firstVisibleOffset..lastVisibleOffset
-        lineToVisibleOffsetRange.put(visualLine, visibleRange)
-      }
-      
-      return offset in visibleRange
-    }
-    
     override fun xyToOffset(editor: Editor, pos: Point): Int {
       val offset = pointToOffset.getInt(pos)
       
@@ -75,6 +51,7 @@ sealed class EditorOffsetCache {
       }
       
       return Uncached.xyToOffset(editor, pos).also {
+        @Suppress("ReplacePutWithAssignment")
         pointToOffset.put(pos, it)
       }
     }
@@ -87,6 +64,7 @@ sealed class EditorOffsetCache {
       }
       
       return Uncached.offsetToXY(editor, offset).also {
+        @Suppress("ReplacePutWithAssignment")
         offsetToPoint.put(offset, it)
       }
     }
@@ -102,15 +80,6 @@ sealed class EditorOffsetCache {
       )
     }
     
-    override fun isVisible(editor: Editor, offset: Int): Boolean {
-      val (topLeft, bottomRight) = visibleArea(editor)
-      val pos = offsetToXY(editor, offset)
-      val x = pos.x
-      val y = pos.y
-      
-      return x >= topLeft.x && y >= topLeft.y && x <= bottomRight.x && y <= bottomRight.y
-    }
-    
     override fun xyToOffset(editor: Editor, pos: Point): Int {
       return editor.logicalPositionToOffset(editor.xyToLogicalPosition(pos))
     }

src/main/kotlin/org/acejump/boundaries/StandardBoundaries.kt

@@ -13,7 +13,23 @@ enum class StandardBoundaries : Boundaries {
     }
     
     override fun isOffsetInside(editor: Editor, offset: Int, cache: EditorOffsetCache): Boolean {
-      return cache.isVisible(editor, offset)
+      
+      // If we are not using a cache, calling getOffsetRange will cause additional 1-2 pixel coordinate -> offset lookups, which is a lot
+      // more expensive than one lookup compared against the visible area.
+      
+      // However, if we are using a cache, it's likely that the topmost and bottommost positions are already cached whereas the provided
+      // offset isn't, so we save a lookup for every offset outside the range.
+      
+      if (cache !== EditorOffsetCache.Uncached && offset !in getOffsetRange(editor, cache)) {
+        return false
+      }
+      
+      val (topLeft, bottomRight) = cache.visibleArea(editor)
+      val pos = cache.offsetToXY(editor, offset)
+      val x = pos.x
+      val y = pos.y
+      
+      return x >= topLeft.x && y >= topLeft.y && x <= bottomRight.x && y <= bottomRight.y
     }
   },
   

src/main/kotlin/org/acejump/config/AceConfig.kt

@@ -20,7 +20,6 @@ class AceConfig : PersistentStateComponent<AceSettings> {
     
     val layout get() = settings.layout
     val minQueryLength get() = settings.minQueryLength
-    val invertUppercaseMode get() = settings.invertUppercaseMode
     val editorFadeOpacity get() = settings.editorFadeOpacity
     val jumpModeColor get() = settings.jumpModeColor
     val tagForegroundColor1 get() = settings.tagForegroundColor1

src/main/kotlin/org/acejump/config/AceConfigurable.kt

@@ -15,7 +15,6 @@ class AceConfigurable : Configurable {
     panel.allowedChars != settings.allowedChars ||
       panel.keyboardLayout != settings.layout ||
       panel.minQueryLengthInt != settings.minQueryLength ||
-      panel.invertUppercaseMode != settings.invertUppercaseMode ||
       panel.editorFadeOpacityPercent != settings.editorFadeOpacity ||
       panel.jumpModeColor != settings.jumpModeColor ||
       panel.tagForegroundColor1 != settings.tagForegroundColor1 ||
@@ -26,7 +25,6 @@ class AceConfigurable : Configurable {
     settings.allowedChars = panel.allowedChars
     settings.layout = panel.keyboardLayout
     settings.minQueryLength = panel.minQueryLengthInt ?: settings.minQueryLength
-    settings.invertUppercaseMode = panel.invertUppercaseMode
     settings.editorFadeOpacity = panel.editorFadeOpacityPercent
     panel.jumpModeColor?.let { settings.jumpModeColor = it }
     panel.tagForegroundColor1?.let { settings.tagForegroundColor1 = it }

src/main/kotlin/org/acejump/config/AceSettings.kt

@@ -8,7 +8,6 @@ import java.awt.Color
 data class AceSettings(
   var layout: KeyLayout = QWERTY,
   var allowedChars: String = layout.allChars,
-  var invertUppercaseMode: Boolean = false,
   var minQueryLength: Int = 1,
   var editorFadeOpacity: Int = 70,
   

src/main/kotlin/org/acejump/config/AceSettingsPanel.kt

@@ -2,7 +2,6 @@ package org.acejump.config
 
 import com.intellij.openapi.ui.ComboBox
 import com.intellij.ui.ColorPanel
-import com.intellij.ui.components.JBCheckBox
 import com.intellij.ui.components.JBSlider
 import com.intellij.ui.components.JBTextArea
 import com.intellij.ui.components.JBTextField
@@ -12,7 +11,6 @@ import com.intellij.ui.dsl.builder.columns
 import com.intellij.ui.dsl.builder.panel
 import org.acejump.input.KeyLayout
 import java.awt.Color
-import java.awt.Dimension
 import java.awt.Font
 import java.util.Hashtable
 import javax.swing.JCheckBox
@@ -31,7 +29,6 @@ internal class AceSettingsPanel {
   private val keyboardLayoutCombo = ComboBox<KeyLayout>()
   private val keyboardLayoutArea = JBTextArea().apply { isEditable = false }
   private val minQueryLengthField = JBTextField()
-  private val invertUppercaseModeCheckBox = JBCheckBox("Invert uppercase mode")
   private val editorFadeOpacitySlider = JBSlider(0, 10).apply {
     labelTable = Hashtable((0..10).associateWith { JLabel("${it * 10}") })
     paintTrack = true
@@ -39,7 +36,6 @@ internal class AceSettingsPanel {
     paintTicks = true
     minorTickSpacing = 1
     majorTickSpacing = 1
-    minimumSize = Dimension(275, minimumSize.height)
   }
   private val jumpModeColorWheel = ColorPanel()
   private val tagForeground1ColorWheel = ColorPanel()
@@ -61,7 +57,6 @@ internal class AceSettingsPanel {
     
     group("Behavior") {
       row("Minimum typed characters (1-10):") { cell(minQueryLengthField).columns(COLUMNS_SHORT) }
-      row { cell(invertUppercaseModeCheckBox) }
     }
     
     group("Colors") {
@@ -86,7 +81,6 @@ internal class AceSettingsPanel {
   internal var keyboardLayout by keyboardLayoutCombo
   internal var keyChars by keyboardLayoutArea
   internal var minQueryLength by minQueryLengthField
-  internal var invertUppercaseMode by invertUppercaseModeCheckBox
   internal var editorFadeOpacity by editorFadeOpacitySlider
   internal var jumpModeColor by jumpModeColorWheel
   internal var tagForegroundColor1 by tagForeground1ColorWheel
@@ -105,7 +99,6 @@ internal class AceSettingsPanel {
     allowedChars = settings.allowedChars
     keyboardLayout = settings.layout
     minQueryLength = settings.minQueryLength.toString()
-    invertUppercaseMode = settings.invertUppercaseMode
     editorFadeOpacityPercent = settings.editorFadeOpacity
     jumpModeColor = settings.jumpModeColor
     tagForegroundColor1 = settings.tagForegroundColor1

src/main/kotlin/org/acejump/input/EditorKeyListener.kt

@@ -10,6 +10,7 @@ import com.intellij.openapi.editor.actionSystem.TypedActionHandler
  * sessions' own handlers.
  */
 internal object EditorKeyListener : TypedActionHandler {
+  private val action = TypedAction.getInstance()
   private val attached = mutableMapOf<Editor, TypedActionHandler>()
   private var originalHandler: TypedActionHandler? = null
   
@@ -19,9 +20,8 @@ internal object EditorKeyListener : TypedActionHandler {
   
   fun attach(editor: Editor, callback: TypedActionHandler) {
     if (attached.isEmpty()) {
-      val typedAction = TypedAction.getInstance()
-      originalHandler = typedAction.rawHandler
-      typedAction.setupRawHandler(this)
+      originalHandler = action.rawHandler
+      action.setupRawHandler(this)
     }
     
     attached[editor] = callback
@@ -31,7 +31,7 @@ internal object EditorKeyListener : TypedActionHandler {
     attached.remove(editor)
     
     if (attached.isEmpty()) {
-      originalHandler?.let(TypedAction.getInstance()::setupRawHandler)
+      originalHandler?.let(action::setupRawHandler)
       originalHandler = null
     }
   }

src/main/kotlin/org/acejump/input/KeyLayout.kt

@@ -14,20 +14,25 @@ enum class KeyLayout(
   COLEMK(arrayOf("1234567890", "qwfpgjluy", "arstdhneio", "zxcvbkm"), priority = "tndhseriaovkcmbxzgjplfuwyq5849673210"),
   WORKMN(arrayOf("1234567890", "qdrwbjfup", "ashtgyneoi", "zxmcvkl"), priority = "tnhegysoaiclvkmxzwfrubjdpq5849673210"),
   DVORAK(arrayOf("1234567890", "pyfgcrl", "aoeuidhtns", "qjkxbmwvz"), priority = "uhetidonasxkbjmqwvzgfycprl5849673210"),
-  QWERTY(arrayOf("1234567890", "qwertyuiop", "asdfghjkl", "zxcvbnm"), priority = "fjghdkslavncmbxzrutyeiwoqp5849673210", characterSides = sides(listOf("123456", "qwert", "asdfg", "zxcvb"), listOf("7890", "yuiop", "hjkl", "nm"))),
-  QWERTZ(arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"), priority = "fjghdkslavncmbxyrutzeiwoqp5849673210", characterSides = sides(listOf("123456", "qwert", "asdfg", "yxcvb"), listOf("7890", "zuiop", "hjkl", "nm"))),
-  QWERTZ_CZ(arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"), priority = "fjghdkslavncmbxyrutzeiwoqp5849673210", characterSides = sides(listOf("123456", "qwert", "asdfg", "yxcvb"), listOf("7890", "zuiop", "hjkl", "nm")), characterRemapping = mapOf(
-    '+' to '1',
-    'ě' to '2',
-    'š' to '3',
-    'č' to '4',
-    'ř' to '5',
-    'ž' to '6',
-    'ý' to '7',
-    'á' to '8',
-    'í' to '9',
-    'é' to '0'
-  )),
+  QWERTY(arrayOf("1234567890", "qwertyuiop", "asdfghjkl", "zxcvbnm"), priority = "fjghdkslavncmbxzrutyeiwoqp5849673210"),
+  QWERTZ(arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"), priority = "fjghdkslavncmbxyrutzeiwoqp5849673210"),
+  QWERTZ_CZ(
+    arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"),
+    priority = "fjghdkslavncmbxyrutzeiwoqp5849673210",
+    characterSides = sides("", ""),
+    characterRemapping = mapOf(
+      '+' to '1',
+      'ě' to '2',
+      'š' to '3',
+      'č' to '4',
+      'ř' to '5',
+      'ž' to '6',
+      'ý' to '7',
+      'á' to '8',
+      'í' to '9',
+      'é' to '0'
+    )
+  ),
   QGMLWY(arrayOf("1234567890", "qgmlwyfub", "dstnriaeoh", "zxcvjkp"), priority = "naterisodhvkcpjxzlfmuwygbq5849673210"),
   QGMLWB(arrayOf("1234567890", "qgmlwbyuv", "dstnriaeoh", "zxcfjkp"), priority = "naterisodhfkcpjxzlymuwbgvq5849673210"),
   NORMAN(arrayOf("1234567890", "qwdfkjurl", "asetgynioh", "zxcvbpm"), priority = "tneigysoahbvpcmxzjkufrdlwq5849673210");
@@ -35,18 +40,11 @@ enum class KeyLayout(
   internal val allChars = rows.joinToString("").toCharArray().apply(CharArray::sort).joinToString("")
   private val allPriorities = priority.mapIndexed { index, char -> char to index }.toMap()
   
-  fun priority(char: Char): Int {
-    return allPriorities[char] ?: allChars.length
-  }
-  
-  fun areOnSameSide(c1: Char, c2: Char): Boolean {
-    return (c1 in characterSides.first && c2 in characterSides.first) || (c1 in characterSides.second && c2 in characterSides.second)
+  internal fun priority(): (Char) -> Int {
+    return { allPriorities.getOrDefault(it, Int.MAX_VALUE) }
   }
 }
 
-private fun sides(left: List<String>, right: List<String>): Pair<Set<Char>, Set<Char>> {
-  return Pair(
-    left.flatMapTo(mutableSetOf()) { it.toCharArray().toSet() },
-    right.flatMapTo(mutableSetOf()) { it.toCharArray().toSet() }
-  )
+private fun sides(left: String, right: String): Pair<Set<Char>, Set<Char>> {
+  return Pair(left.toCharArray().toSet(), right.toCharArray().toSet())
 }

src/main/kotlin/org/acejump/input/KeyLayoutCache.kt

@@ -1,22 +1,20 @@
 package org.acejump.input
 
 import org.acejump.config.AceSettings
-import kotlin.math.pow
-import kotlin.math.roundToInt
 
 /**
  * Stores data specific to the selected keyboard layout. We want to assign tags with easily reachable keys first, and ideally have tags
  * with repeated keys (ex. FF, JJ) or adjacent keys (ex. GH, UJ).
  */
 internal object KeyLayoutCache {
-  lateinit var allowedTagsSorted: List<String>
+  lateinit var allowedCharsSorted: List<Char>
     private set
   
   /**
    * Called before any lazily initialized properties are used, to ensure that they are initialized even if the settings are missing.
    */
   fun ensureInitialized(settings: AceSettings) {
-    if (!::allowedTagsSorted.isInitialized) {
+    if (!::allowedCharsSorted.isInitialized) {
       reset(settings)
     }
   }
@@ -25,38 +23,17 @@ internal object KeyLayoutCache {
    * Re-initializes cached data according to updated settings.
    */
   fun reset(settings: AceSettings) {
-    val allowedChars = processCharList(settings.allowedChars).ifEmpty { processCharList(settings.layout.allChars) }
-    val allowedTags = mutableSetOf<String>()
+    val allowedCharList = processCharList(settings.allowedChars)
     
-    for (c1 in allowedChars) {
-      allowedTags.add("$c1")
-      
-      for (c2 in allowedChars) {
-        if (c1 != c2) {
-          allowedTags.add("$c1$c2")
-        }
-      }
+    allowedCharsSorted = if (allowedCharList.isEmpty()) {
+      processCharList(settings.layout.allChars)
+    }
+    else {
+      allowedCharList.sortedWith(compareBy(settings.layout.priority()))
     }
-    
-    allowedTagsSorted = allowedTags.sortedBy { rankPriority(settings.layout, it) }
   }
   
   private fun processCharList(charList: String): List<Char> {
     return charList.toCharArray().map(Char::lowercaseChar).distinct()
   }
-  
-  private fun rankPriority(layout: KeyLayout, tag: String): Int {
-    val c1 = tag.first()
-    val p1 = (1.0 + layout.priority(c1)).pow(3)
-    
-    if (tag.length == 1) {
-      return p1.roundToInt()
-    }
-    
-    val c2 = tag.last()
-    val p2 = (1.0 + layout.priority(c2)).pow(3)
-    
-    val multiplier = if (layout.areOnSameSide(c1, c2)) 2 else 1
-    return (((p1 * 50) + p2 + 1000) * multiplier).roundToInt()
-  }
 }

src/main/kotlin/org/acejump/search/SearchProcessor.kt

@@ -3,7 +3,6 @@ package org.acejump.search
 import com.intellij.openapi.editor.Editor
 import it.unimi.dsi.fastutil.ints.IntArrayList
 import org.acejump.boundaries.Boundaries
-import org.acejump.boundaries.EditorOffsetCache
 import org.acejump.clone
 import org.acejump.config.AceConfig
 import org.acejump.immutableText
@@ -12,16 +11,15 @@ import org.acejump.matchesAt
 /**
  * Searches editor text for matches of a [SearchQuery], and updates previous results when the user [refineQuery]s a character.
  */
-class SearchProcessor private constructor(query: SearchQuery, val boundaries: Boundaries, val invertUppercaseMode: Boolean, private val results: MutableMap<Editor, IntArrayList>) {
-  internal constructor(editors: List<Editor>, query: SearchQuery, boundaries: Boundaries, invertUppercaseMode: Boolean) : this(query, boundaries, invertUppercaseMode, mutableMapOf()) {
-    val regex = query.toRegex(invertUppercaseMode)
+class SearchProcessor private constructor(query: SearchQuery, val boundaries: Boundaries, private val results: MutableMap<Editor, IntArrayList>) {
+  internal constructor(editors: List<Editor>, query: SearchQuery, boundaries: Boundaries) : this(query, boundaries, mutableMapOf()) {
+    val regex = query.toRegex()
     
     if (regex != null) {
       for (editor in editors) {
-        val cache = EditorOffsetCache.new()
         val offsets = IntArrayList()
         
-        val offsetRange = boundaries.getOffsetRange(editor, cache)
+        val offsetRange = boundaries.getOffsetRange(editor)
         var result = regex.find(editor.immutableText, offsetRange.first)
         
         while (result != null) {
@@ -31,7 +29,7 @@ class SearchProcessor private constructor(query: SearchQuery, val boundaries: Bo
           if (highlightEnd > offsetRange.last) {
             break
           }
-          else if (boundaries.isOffsetInside(editor, index, cache) && !editor.foldingModel.isOffsetCollapsed(index)) {
+          else if (boundaries.isOffsetInside(editor, index) && !editor.foldingModel.isOffsetCollapsed(index)) {
             offsets.add(index)
           }
           

src/main/kotlin/org/acejump/search/SearchQuery.kt

@@ -21,7 +21,7 @@ internal sealed class SearchQuery {
   /**
    * Converts the query into a regular expression to find the initial matches.
    */
-  abstract fun toRegex(invertUppercaseMode: Boolean): Regex?
+  abstract fun toRegex(): Regex?
   
   /**
    * Searches for all occurrences of a literal text query.
@@ -41,14 +41,14 @@ internal sealed class SearchQuery {
       return text.countMatchingCharacters(offset, rawText)
     }
     
-    override fun toRegex(invertUppercaseMode: Boolean): Regex {
+    override fun toRegex(): Regex {
       val firstChar = rawText.first()
-      val pattern = if (firstChar.isLowerCase() xor invertUppercaseMode) {
+      val pattern = if (firstChar.isLowerCase()) {
         val fullPattern = Regex.escape(rawText)
         "(?i)$fullPattern"
       }
       else {
-        val firstCharUppercasePattern = Regex.escape(firstChar.uppercase())
+        val firstCharUppercasePattern = Regex.escape(firstChar.toString())
         val firstCharLowercasePattern = Regex.escape(firstChar.lowercase())
         val remainingPattern = if (rawText.length > 1) Regex.escape(rawText.drop(1)) else ""
         "(?:$firstCharUppercasePattern|(?<![a-zA-Z])$firstCharLowercasePattern)$remainingPattern"
@@ -72,7 +72,7 @@ internal sealed class SearchQuery {
       return 1
     }
     
-    override fun toRegex(invertUppercaseMode: Boolean): Regex {
+    override fun toRegex(): Regex {
       return Regex(pattern, setOf(RegexOption.MULTILINE, RegexOption.IGNORE_CASE))
     }
   }

src/main/kotlin/org/acejump/search/Tagger.kt

@@ -3,7 +3,6 @@ package org.acejump.search
 import com.google.common.collect.ArrayListMultimap
 import com.intellij.openapi.editor.Editor
 import it.unimi.dsi.fastutil.ints.IntList
-import it.unimi.dsi.fastutil.objects.Object2IntOpenHashMap
 import org.acejump.boundaries.EditorOffsetCache
 import org.acejump.boundaries.StandardBoundaries.VISIBLE_ON_SCREEN
 import org.acejump.input.KeyLayoutCache
@@ -41,7 +40,7 @@ class Tagger(private val editors: List<Editor>, results: Map<Editor, IntList>) {
       .flatMap { (editor, sites) -> sites.map { site -> Tag(editor, site) } }
       .sortedWith(siteOrder(editors, caches))
     
-    tagMap = generateTags(tagSites.size).zip(tagSites).toMap()
+    tagMap = generateTags(tagSites).zip(tagSites).toMap()
   }
   
   internal fun type(char: Char): TaggingResult {
@@ -62,63 +61,30 @@ class Tagger(private val editors: List<Editor>, results: Map<Editor, IntList>) {
   }
   
   private companion object {
-    private fun generateTags(tagCount: Int): List<String> {
-      val allowedTagsSorted = KeyLayoutCache.allowedTagsSorted
+    private fun generateTags(tagSites: List<Tag>): List<String> {
+      val allowedChars = KeyLayoutCache.allowedCharsSorted
+      
       val tags = mutableListOf<String>()
+      var remainingTagCount = tagSites.size
       
-      val containedSingleCharTags = mutableSetOf<Char>()
-      val blockedSingleCharTags = mutableSetOf<Char>()
-      val doubleCharTagCountsByFirstChar = Object2IntOpenHashMap<Char>()
-      
-      for (tag in allowedTagsSorted) {
-        val firstChar = tag.first()
+      outer@ for (i in allowedChars.indices) {
+        val c1 = allowedChars[i]
         
-        if (tag.length == 1) {
-          if (firstChar in blockedSingleCharTags) {
-            continue
+        if (remainingTagCount <= allowedChars.size - i) {
+          tags.add(c1.toString())
+          if (--remainingTagCount <= 0) {
+            break@outer
           }
-          
-          containedSingleCharTags.add(firstChar)
         }
         else {
-          if (containedSingleCharTags.remove(firstChar)) {
-            tags.remove(firstChar.toString())
-          }
-          
-          blockedSingleCharTags.add(firstChar)
-          doubleCharTagCountsByFirstChar.addTo(firstChar, 1)
-        }
-        
-        tags.add(tag)
-        
-        if (tags.size >= tagCount) {
-          break
-        }
-      }
-      
-      // In rare cases, the final tag list may contain a double character tag that is the only tag starting with its first character,
-      // so we replace it with the single character tag.
-      for (entry in doubleCharTagCountsByFirstChar.object2IntEntrySet()) {
-        if (entry.intValue != 1) {
-          continue
-        }
-        
-        tags.removeAt(tags.indexOfFirst { it.first() == entry.key })
-        
-        val tag = entry.key.toString()
-        var previousTagIndex = -1
-        
-        // The implementation of searching where to place the single character tag is theoretically slow,
-        // but getting here is so rare it doesn't matter.
-        for (i in allowedTagsSorted.indexOf(tag) - 1 downTo 0) {
-          previousTagIndex = tags.indexOf(allowedTagsSorted[i])
-          
-          if (previousTagIndex != -1) {
-            break
+          for (c2 in allowedChars) {
+            tags.add("$c1$c2")
+            
+            if (--remainingTagCount <= 0) {
+              break@outer
+            }
           }
         }
-        
-        tags.add(previousTagIndex + 1, tag)
       }
       
       return tags
@@ -162,11 +128,12 @@ class Tagger(private val editors: List<Editor>, results: Map<Editor, IntList>) {
         return@Comparator if (aIsVisible) -1 else 1
       }
       
-      val firstEditor = editorPriority[0]
-      val caretPosition = caches.getValue(firstEditor).offsetToXY(firstEditor, firstEditor.caretModel.offset)
+      val aPosition = aCaches.offsetToXY(aEditor, a.offset)
+      val bPosition = bCaches.offsetToXY(bEditor, b.offset)
       
-      val aDistance = aCaches.offsetToXY(aEditor, a.offset).distanceSq(caretPosition)
-      val bDistance = bCaches.offsetToXY(bEditor, b.offset).distanceSq(caretPosition)
+      val caretPosition = editorPriority[0].offsetToXY(editorPriority[0].caretModel.offset)
+      val aDistance = aPosition.distanceSq(caretPosition)
+      val bDistance = bPosition.distanceSq(caretPosition)
       
       return@Comparator aDistance.compareTo(bDistance)
     }

src/main/kotlin/org/acejump/session/Session.kt

@@ -113,7 +113,7 @@ class Session(private val mainEditor: Editor, private val jumpEditors: List<Edit
     }
     
     setMode(mode())
-    state = SessionState.WaitForKey(actions, jumpEditors, defaultBoundary, AceConfig.invertUppercaseMode)
+    state = SessionState.WaitForKey(actions, jumpEditors, defaultBoundary)
   }
   
   /**
@@ -128,7 +128,7 @@ class Session(private val mainEditor: Editor, private val jumpEditors: List<Edit
       canvas.setMarkers(emptyList())
     }
     
-    val processor = SearchProcessor(jumpEditors, SearchQuery.RegularExpression(pattern.regex), defaultBoundary, AceConfig.invertUppercaseMode)
+    val processor = SearchProcessor(jumpEditors, SearchQuery.RegularExpression(pattern.regex), defaultBoundary)
     textHighlighter.renderOccurrences(processor.resultsCopy, processor.query)
     
     state = SessionState.SelectTag(actions, jumpEditors, processor)

src/main/kotlin/org/acejump/session/SessionState.kt

@@ -16,10 +16,9 @@ sealed interface SessionState {
     private val actions: SessionActions,
     private val jumpEditors: List<Editor>,
     private val defaultBoundary: Boundaries,
-    private val invertUppercaseMode: Boolean,
   ) : SessionState {
     override fun type(char: Char): TypeResult {
-      val searchProcessor = SearchProcessor(jumpEditors, SearchQuery.Literal(char.toString()), defaultBoundary, invertUppercaseMode)
+      val searchProcessor = SearchProcessor(jumpEditors, SearchQuery.Literal(char.toString()), defaultBoundary)
       
       return if (searchProcessor.isQueryFinished) {
         TypeResult.ChangeState(SelectTag(actions, jumpEditors, searchProcessor))
@@ -73,14 +72,10 @@ sealed interface SessionState {
             else                                 -> searchProcessor.boundaries
           }
           
-          val newSearchProcessor = SearchProcessor(jumpEditors, query, newBoundaries, searchProcessor.invertUppercaseMode)
+          val newSearchProcessor = SearchProcessor(jumpEditors, query, newBoundaries)
           return TypeResult.ChangeState(SelectTag(actions, jumpEditors, newSearchProcessor))
         }
       }
-      else if (char == '\n') {
-        val newSearchProcessor = SearchProcessor(jumpEditors, searchProcessor.query, searchProcessor.boundaries, !searchProcessor.invertUppercaseMode)
-        return TypeResult.ChangeState(SelectTag(actions, jumpEditors, newSearchProcessor))
-      }
       
       return when (val result = tagger.type(AceConfig.layout.characterRemapping.getOrDefault(char, char))) {
         is TaggingResult.Nothing -> TypeResult.Nothing

src/main/kotlin/org/acejump/view/TagMarker.kt

@@ -12,13 +12,10 @@ import java.awt.Rectangle
  * Describes a 1 or 2 character shortcut that points to a specific character in the editor.
  */
 internal class TagMarker(
-  private val firstChar: String,
-  private val secondChar: String,
+  private val tag: CharArray,
   val offset: Int
 ) {
-  private constructor(tag: String, offset: Int) : this(tag.first().toString(), tag.drop(1), offset)
-  
-  private val length = firstChar.length + secondChar.length
+  private val length = tag.size
   
   companion object {
     /**
@@ -31,7 +28,7 @@ internal class TagMarker(
      * character ([typedTag]) matches the first [tag] character, only the second [tag] character is displayed.
      */
     fun create(tag: String, offset: Int, typedTag: String): TagMarker {
-      return TagMarker(tag.drop(typedTag.length), offset)
+      return TagMarker(tag.drop(typedTag.length).toCharArray(), offset)
     }
   }
   
@@ -68,11 +65,11 @@ internal class TagMarker(
     
     g.font = font.tagFont
     g.color = font.foregroundColor1
-    g.drawString(firstChar, x, y)
+    g.drawChars(tag, 0, 1, x, y)
     
-    if (secondChar.isNotEmpty()) {
+    if (tag.size > 1) {
       g.color = font.foregroundColor2
-      g.drawString(secondChar, x + font.tagCharWidth, y)
+      g.drawChars(tag, 1, length - 1, x + font.tagCharWidth, y)
     }
   }