Set version to chylex-22

build.gradle.kts

@@ -8,7 +8,7 @@ plugins {
 }
 
 group = "org.acejump"
-version = "chylex-21"
+version = "chylex-22"
 
 repositories {
   mavenCentral()

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

@@ -13,7 +13,6 @@ class AceConfigurable : Configurable {
   
   override fun isModified() =
     panel.allowedChars != settings.allowedChars ||
-      panel.prefixChars != settings.prefixChars ||
       panel.keyboardLayout != settings.layout ||
       panel.minQueryLengthInt != settings.minQueryLength ||
       panel.editorFadeOpacityPercent != settings.editorFadeOpacity ||
@@ -24,7 +23,6 @@ class AceConfigurable : Configurable {
   
   override fun apply() {
     settings.allowedChars = panel.allowedChars
-    settings.prefixChars = panel.prefixChars
     settings.layout = panel.keyboardLayout
     settings.minQueryLength = panel.minQueryLengthInt ?: settings.minQueryLength
     settings.editorFadeOpacity = panel.editorFadeOpacityPercent

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 prefixChars: String = ";",
   var minQueryLength: Int = 1,
   var editorFadeOpacity: Int = 70,
   

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

@@ -26,7 +26,6 @@ import kotlin.reflect.KProperty
 @Suppress("UsePropertyAccessSyntax")
 internal class AceSettingsPanel {
   private val tagAllowedCharsField = JBTextField()
-  private val tagPrefixCharsField = JBTextField()
   private val keyboardLayoutCombo = ComboBox<KeyLayout>()
   private val keyboardLayoutArea = JBTextArea().apply { isEditable = false }
   private val minQueryLengthField = JBTextField()
@@ -45,7 +44,6 @@ internal class AceSettingsPanel {
   
   init {
     tagAllowedCharsField.apply { font = Font("monospaced", font.style, font.size) }
-    tagPrefixCharsField.apply { font = Font("monospaced", font.style, font.size) }
     keyboardLayoutArea.apply { font = Font("monospaced", font.style, font.size) }
     keyboardLayoutCombo.setupEnumItems { keyChars = it.rows.joinToString("\n") }
   }
@@ -53,7 +51,6 @@ internal class AceSettingsPanel {
   internal val rootPanel: JPanel = panel {
     group("Characters and Layout") {
       row("Allowed characters in tags:") { cell(tagAllowedCharsField).columns(COLUMNS_LARGE) }
-      row("Allowed prefix characters in tags:") { cell(tagPrefixCharsField).columns(COLUMNS_MEDIUM) }
       row("Keyboard layout:") { cell(keyboardLayoutCombo).columns(COLUMNS_SHORT) }
       row("Keyboard design:") { cell(keyboardLayoutArea).columns(COLUMNS_SHORT) }
     }
@@ -81,7 +78,6 @@ internal class AceSettingsPanel {
   
   // Property-to-property delegation: https://stackoverflow.com/q/45074596/1772342
   internal var allowedChars by tagAllowedCharsField
-  internal var prefixChars by tagPrefixCharsField
   internal var keyboardLayout by keyboardLayoutCombo
   internal var keyChars by keyboardLayoutArea
   internal var minQueryLength by minQueryLengthField
@@ -101,7 +97,6 @@ internal class AceSettingsPanel {
   
   fun reset(settings: AceSettings) {
     allowedChars = settings.allowedChars
-    prefixChars = settings.prefixChars
     keyboardLayout = settings.layout
     minQueryLength = settings.minQueryLength.toString()
     editorFadeOpacityPercent = settings.editorFadeOpacity

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

@@ -5,13 +5,18 @@ package org.acejump.input
  * ergonomically difficult they are to press.
  */
 @Suppress("unused", "SpellCheckingInspection")
-enum class KeyLayout(internal val rows: Array<String>, priority: String, internal val characterRemapping: Map<Char, Char> = emptyMap()) {
+enum class KeyLayout(
+  internal val rows: Array<String>,
+  priority: String,
+  private val characterSides: Pair<Set<Char>, Set<Char>> = Pair(emptySet(), emptySet()),
+  internal val characterRemapping: Map<Char, Char> = emptyMap(),
+) {
   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"),
-  QWERTZ(arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"), priority = "fjghdkslavncmbxyrutzeiwoqp5849673210"),
-  QWERTZ_CZ(arrayOf("1234567890", "qwertzuiop", "asdfghjkl", "yxcvbnm"), priority = "fjghdkslavncmbxyrutzeiwoqp5849673210", characterRemapping =  mapOf(
+  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',
@@ -28,9 +33,20 @@ enum class KeyLayout(internal val rows: Array<String>, priority: String, interna
   NORMAN(arrayOf("1234567890", "qwdfkjurl", "asetgynioh", "zxcvbpm"), priority = "tneigysoahbvpcmxzjkufrdlwq5849673210");
   
   internal val allChars = rows.joinToString("").toCharArray().apply(CharArray::sort).joinToString("")
-  internal val allPriorities = priority.mapIndexed { index, char -> char to index }.toMap()
+  private val allPriorities = priority.mapIndexed { index, char -> char to index }.toMap()
   
-  internal inline fun priority(crossinline tagToChar: (String) -> Char): (String) -> Int {
-    return { allPriorities.getOrDefault(tagToChar(it), Int.MAX_VALUE) }
+  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)
   }
 }
+
+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() }
+  )
+}

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

@@ -1,23 +1,22 @@
 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 {
-  /**
-   * Returns all possible two key tags, pre-sorted according to [tagOrder].
-   */
-  lateinit var allPossibleTagsLowercase: List<String>
+  lateinit var allowedTagsSorted: List<String>
     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 (!::allPossibleTagsLowercase.isInitialized) {
+    if (!::allowedTagsSorted.isInitialized) {
       reset(settings)
     }
   }
@@ -26,22 +25,38 @@ internal object KeyLayoutCache {
    * Re-initializes cached data according to updated settings.
    */
   fun reset(settings: AceSettings) {
-    @Suppress("ConvertLambdaToReference")
-    val allSuffixChars = processCharList(settings.allowedChars).ifEmpty { processCharList(settings.layout.allChars).toList() }
-    val allPrefixChars = processCharList(settings.prefixChars).filterNot(allSuffixChars::contains).plus("")
+    val allowedChars = processCharList(settings.allowedChars).ifEmpty { processCharList(settings.layout.allChars) }
+    val allowedTags = mutableSetOf<String>()
     
-    val tagOrder = compareBy(
-      String::length,
-      { if (it.length == 1) Int.MIN_VALUE else allPrefixChars.indexOf(it.first().toString()) },
-      settings.layout.priority(String::last)
-    )
+    for (c1 in allowedChars) {
+      allowedTags.add("$c1")
       
-    allPossibleTagsLowercase = allSuffixChars
-      .flatMap { suffix -> allPrefixChars.map { prefix -> "$prefix$suffix" } }
-      .sortedWith(tagOrder)
+      for (c2 in allowedChars) {
+        if (c1 != c2) {
+          allowedTags.add("$c1$c2")
+        }
+      }
+    }
+    
+    allowedTagsSorted = allowedTags.sortedBy { rankPriority(settings.layout, it) }
   }
   
-  private fun processCharList(charList: String): Set<String> {
-    return charList.toCharArray().map(Char::lowercase).toSet()
+  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/Tagger.kt

@@ -40,7 +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 = KeyLayoutCache.allPossibleTagsLowercase.zip(tagSites).toMap()
+    tagMap = generateTags(tagSites).zip(tagSites).toMap()
   }
   
   internal fun type(char: Char): TaggingResult {
@@ -61,6 +61,40 @@ class Tagger(private val editors: List<Editor>, results: Map<Editor, IntList>) {
   }
   
   private companion object {
+    private fun generateTags(tagSites: List<Tag>): List<String> {
+      val tags = mutableListOf<String>()
+      
+      val containedSingleCharTags = mutableSetOf<Char>()
+      val blockedSingleCharTags = mutableSetOf<Char>()
+      
+      for (tag in KeyLayoutCache.allowedTagsSorted) {
+        val firstChar = tag.first()
+        
+        if (tag.length == 1) {
+          if (firstChar in blockedSingleCharTags) {
+            continue
+          }
+          
+          containedSingleCharTags.add(firstChar)
+        }
+        else {
+          if (containedSingleCharTags.remove(firstChar)) {
+            tags.remove(firstChar.toString())
+          }
+          
+          blockedSingleCharTags.add(firstChar)
+        }
+        
+        tags.add(tag)
+        
+        if (tags.size >= tagSites.size) {
+          return tags
+        }
+      }
+      
+      return tags
+    }
+    
     private fun sortResults(results: Map<Editor, IntList>, caches: Map<Editor, EditorOffsetCache>) {
       for ((editor, offsets) in results) {
         val cache = caches.getValue(editor)

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

@@ -12,10 +12,13 @@ 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 tag: CharArray,
+  private val firstChar: String,
+  private val secondChar: String,
   val offset: Int
 ) {
-  private val length = tag.size
+  private constructor(tag: String, offset: Int) : this(tag.first().toString(), tag.drop(1), offset)
+  
+  private val length = firstChar.length + secondChar.length
   
   companion object {
     /**
@@ -28,7 +31,7 @@ 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).toCharArray(), offset)
+      return TagMarker(tag.drop(typedTag.length), offset)
     }
   }
   
@@ -65,11 +68,11 @@ internal class TagMarker(
     
     g.font = font.tagFont
     g.color = font.foregroundColor1
-    g.drawChars(tag, 0, 1, x, y)
+    g.drawString(firstChar, x, y)
     
-    if (tag.size > 1) {
+    if (secondChar.isNotEmpty()) {
       g.color = font.foregroundColor2
-      g.drawChars(tag, 1, length - 1, x + font.tagCharWidth, y)
+      g.drawString(secondChar, x + font.tagCharWidth, y)
     }
   }