[WIP] Simplify tags by only tagging if the search query has at 2 or more alnum characters (or other symbols)

build.gradle.kts

@@ -43,4 +43,4 @@ intellij {
 }
 
 group = "org.acejump"
-version = "chylex"
+version = "4.0"

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

@@ -40,10 +40,6 @@ sealed class AceEditorAction(private val originalHandler: EditorActionHandler) :
     override fun run(session: Session) = session.restart()
   }
   
-  class TagImmediately(originalHandler: EditorActionHandler) : AceEditorAction(originalHandler) {
-    override fun run(session: Session) = session.tagImmediately()
-  }
-  
   class SearchLineStarts(originalHandler: EditorActionHandler) : AceEditorAction(originalHandler) {
     override fun run(session: Session) = session.startRegexSearch(Pattern.LINE_STARTS, StandardBoundaries.VISIBLE_ON_SCREEN)
   }

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

@@ -5,10 +5,12 @@ import com.intellij.codeInsight.navigation.actions.GotoDeclarationAction
 import com.intellij.codeInsight.navigation.actions.GotoTypeDeclarationAction
 import com.intellij.find.actions.FindUsagesAction
 import com.intellij.find.actions.ShowUsagesAction
+import com.intellij.ide.actions.CopyAction
+import com.intellij.ide.actions.CutAction
+import com.intellij.ide.actions.PasteAction
 import com.intellij.openapi.actionSystem.ActionManager
 import com.intellij.openapi.actionSystem.AnAction
 import com.intellij.openapi.actionSystem.IdeActions
-import com.intellij.openapi.application.ApplicationManager
 import com.intellij.openapi.command.CommandProcessor
 import com.intellij.openapi.command.UndoConfirmationPolicy
 import com.intellij.openapi.command.WriteCommandAction
@@ -17,15 +19,11 @@ import com.intellij.openapi.editor.Document
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.LogicalPosition
 import com.intellij.openapi.editor.actionSystem.DocCommandGroupId
-import com.intellij.openapi.editor.actions.EditorActionUtil
 import com.intellij.openapi.fileEditor.ex.IdeDocumentHistory
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.ui.playback.commands.ActionCommand
 import com.intellij.openapi.util.TextRange
-import com.intellij.psi.PsiDocumentManager
-import com.intellij.psi.codeStyle.CodeStyleManager
 import com.intellij.refactoring.actions.RefactoringQuickListPopupAction
-import com.intellij.refactoring.actions.RenameElementAction
 import org.acejump.*
 import org.acejump.search.SearchProcessor
 import kotlin.math.max
@@ -52,18 +50,6 @@ sealed class AceTagAction {
     abstract fun getCaretOffset(editor: Editor, searchProcessor: SearchProcessor, offset: Int): Int
   }
   
-  abstract class BaseWordAction : BaseJumpAction() {
-    final override fun getCaretOffset(editor: Editor, searchProcessor: SearchProcessor, offset: Int): Int {
-      val matchingChars = countMatchingCharacters(editor, searchProcessor, offset)
-      val targetOffset = offset + matchingChars
-      val isInsideWord = matchingChars > 0 && editor.immutableText.let { it[targetOffset - 1].isWordPart && it[targetOffset].isWordPart }
-      
-      return getCaretOffset(editor, offset, targetOffset, isInsideWord)
-    }
-    
-    abstract fun getCaretOffset(editor: Editor, queryStartOffset: Int, queryEndOffset: Int, isInsideWord: Boolean): Int
-  }
-  
   abstract class BaseSelectAction : AceTagAction() {
     final override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
       if (shiftMode) {
@@ -91,50 +77,26 @@ sealed class AceTagAction {
     protected abstract operator fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int)
   }
   
-  abstract class BasePerCaretWriteAction(private val selector: AceTagAction) : AceTagAction() {
-    final override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+  abstract class BaseWordAction : BaseJumpAction() {
+    final override fun getCaretOffset(editor: Editor, searchProcessor: SearchProcessor, offset: Int): Int {
+      val matchingChars = countMatchingCharacters(editor, searchProcessor, offset)
+      val targetOffset = offset + matchingChars
+      val isInsideWord = matchingChars > 0 && editor.immutableText.let { it[targetOffset - 1].isWordPart && it[targetOffset].isWordPart }
+      
+      return getCaretOffset(editor, offset, targetOffset, isInsideWord)
+    }
+    
+    abstract fun getCaretOffset(editor: Editor, queryStartOffset: Int, queryEndOffset: Int, isInsideWord: Boolean): Int
+  }
+  
+  abstract class BaseCaretRestoringAction : AceTagAction() {
+    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
       val oldCarets = editor.caretModel.caretsAndSelections
-      selector(editor, searchProcessor, offset, shiftMode = false)
-      val range = editor.selectionModel.let { TextRange(it.selectionStart, it.selectionEnd) }
-      
+      doInvoke(editor, searchProcessor, offset, shiftMode)
       editor.caretModel.caretsAndSelections = oldCarets
-      invoke(editor, range, shiftMode)
     }
     
-    protected abstract operator fun invoke(editor: Editor, range: TextRange, shiftMode: Boolean)
-  
-    protected fun insertAtCarets(editor: Editor, text: String) {
-      val document = editor.document
-      
-      editor.caretModel.runForEachCaret {
-        if (it.hasSelection()) {
-          document.replaceString(it.selectionStart, it.selectionEnd, text)
-          fixIndents(editor, it.selectionStart, it.selectionEnd)
-        }
-        else {
-          document.insertString(it.offset, text)
-          fixIndents(editor, it.offset, it.offset + text.length)
-        }
-      }
-    }
-  
-    private fun fixIndents(editor: Editor, startOffset: Int, endOffset: Int) {
-      val project = editor.project ?: return
-      val document = editor.document
-      val documentManager = PsiDocumentManager.getInstance(project)
-      
-      documentManager.commitAllDocuments()
-      
-      val file = documentManager.getPsiFile(document) ?: return
-      val text = document.charsSequence
-      
-      if (startOffset > 0 && endOffset > startOffset + 1 && text[endOffset - 1] == '\n' && text[startOffset - 1] == '\n') {
-        CodeStyleManager.getInstance(project).adjustLineIndent(file, TextRange(startOffset, endOffset - 1))
-      }
-      else {
-        CodeStyleManager.getInstance(project).adjustLineIndent(file, TextRange(startOffset, endOffset))
-      }
-    }
+    protected abstract fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean)
   }
   
   private companion object {
@@ -212,7 +174,7 @@ sealed class AceTagAction {
    *
    * On shift action, adds the new caret to existing carets.
    */
-  object JumpToWordStart : BaseWordAction() {
+  object JumpToWordStartTag : BaseWordAction() {
     override fun getCaretOffset(editor: Editor, queryStartOffset: Int, queryEndOffset: Int, isInsideWord: Boolean): Int {
       return if (isInsideWord)
         editor.immutableText.wordStart(queryEndOffset)
@@ -228,7 +190,7 @@ sealed class AceTagAction {
    *
    * On shift action, adds the new caret to existing carets.
    */
-  object JumpToWordEnd : BaseWordAction() {
+  object JumpToWordEndTag : BaseWordAction() {
     override fun getCaretOffset(editor: Editor, queryStartOffset: Int, queryEndOffset: Int, isInsideWord: Boolean): Int {
       return if (isInsideWord)
         editor.immutableText.wordEnd(queryEndOffset) + 1
@@ -237,22 +199,6 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, places the caret at the end of the line.
-   * On shift action, adds the new caret to existing carets.
-   */
-  object JumpToLineEnd : BaseWordAction() {
-    override fun getCaretOffset(editor: Editor, queryStartOffset: Int, queryEndOffset: Int, isInsideWord: Boolean): Int {
-      val document = editor.document
-      val line = document.getLineNumber(queryEndOffset)
-      return document.getLineEndOffset(line)
-    }
-  }
-  
-  /**
-   * On default action, selects all characters covered by the search query.
-   * On shift action, adds the new selection to existing selections.
-   */
   object SelectQuery : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       recordCaretPosition(editor)
@@ -267,7 +213,7 @@ sealed class AceTagAction {
   /**
    * On default action, places the caret at the end of a word, and also selects the entire word. Word detection uses
    * [Character.isJavaIdentifierPart] to count some special characters, such as underscores, as part of a word. If there is no word at the
-   * last character of the search query, then the caret is placed after the last character of the search query, and all text between the
+   * first character of the search query, then the caret is placed after the last character of the search query, and all text between the
    * start and end of the search query is selected.
    *
    * On shift action, adds the new selection to existing selections.
@@ -280,8 +226,8 @@ sealed class AceTagAction {
       if (chars[queryEndOffset].isWordPart) {
         recordCaretPosition(editor)
         
-        val startOffset = JumpToWordStart.getCaretOffset(editor, offset, queryEndOffset, isInsideWord = true)
-        val endOffset = JumpToWordEnd.getCaretOffset(editor, offset, queryEndOffset, isInsideWord = true)
+        val startOffset = JumpToWordStartTag.getCaretOffset(editor, offset, queryEndOffset, isInsideWord = true)
+        val endOffset = JumpToWordEndTag.getCaretOffset(editor, offset, queryEndOffset, isInsideWord = true)
         
         selectRange(editor, startOffset, endOffset)
       }
@@ -291,12 +237,6 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, places the caret at the end of a camel hump inside a word, and also selects the hump. If there is no word at the
-   * last character of the search query, then the search query is selected. See [SelectWord] and [SelectQuery] for details.
-   *
-   * On shift action, adds the new selection to existing selections.
-   */
   object SelectHump : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       val chars = editor.immutableText
@@ -316,59 +256,13 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, selects a word according to [SelectWord], and then extends the selection in either or both directions based
-   * on the characters around the word. TODO
-   *
-   * On shift action, adds the new selection to existing selections.
-   */
-  object SelectAroundWord : BaseSelectAction() {
-    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
-      SelectWord(editor, searchProcessor, offset, shiftMode = false)
-      val text = editor.immutableText
-      var selectionStart = editor.selectionModel.selectionStart
-      var selectionEnd = editor.selectionModel.selectionEnd
-      val indentStart = EditorActionUtil.findFirstNonSpaceOffsetOnTheLine(editor.document, editor.caretModel.logicalPosition.line)
-      
-      while (selectionStart > 0 && selectionStart > indentStart && text[selectionStart - 1].let { it == ' ' || it == ',' }) {
-        --selectionStart
-      }
-      
-      while (selectionEnd < text.length && text[selectionEnd].let { it == ' ' || it == ',' }) {
-        ++selectionEnd
-      }
-      
-      if (selectionStart > 0 && text[selectionStart - 1] == '!') {
-        --selectionStart
-      }
-      
-      selectRange(editor, selectionStart, selectionEnd)
-    }
-  }
-  
-  /**
-   * On default action, selects the line at the tag, excluding the indent.
-   * On shift action, adds the new selection to existing selections.
-   */
   object SelectLine : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       JumpToSearchEnd(editor, searchProcessor, offset, shiftMode = false)
-      
-      val document = editor.document
-      val line = editor.caretModel.logicalPosition.line
-      val lineStart = EditorActionUtil.findFirstNonSpaceOffsetOnTheLine(document, line)
-      val lineEnd = document.getLineEndOffset(line)
-      
-      selectRange(editor, lineStart, lineEnd)
+      editor.selectionModel.selectLineAtCaret()
     }
   }
   
-  /**
-   * On default action, places the caret at the last character of the search query, and then performs Extend Selection a set amount of
-   * times.
-   *
-   * On shift action, adds the new selection to existing selections.
-   */
   class SelectExtended(private val extendCount: Int) : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       JumpToSearchEnd(editor, searchProcessor, offset, shiftMode = false)
@@ -381,10 +275,6 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, selects the range between the caret and a position decided by the provided [BaseJumpAction].
-   * On shift action, adds the new selection to existing selections.
-   */
   class SelectToCaret(private val jumper: BaseJumpAction) : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       val caretModel = editor.caretModel
@@ -404,10 +294,6 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, selects the range between [firstOffset] and a position decided by the provided [BaseJumpAction].
-   * On shift action, adds the new selection to existing selections.
-   */
   class SelectBetweenPoints(private val firstOffset: Int, private val secondOffsetJumper: BaseJumpAction) : BaseSelectAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int) {
       secondOffsetJumper(editor, searchProcessor, offset, shiftMode = false)
@@ -415,59 +301,80 @@ sealed class AceTagAction {
     }
   }
   
-  /**
-   * On default action, selects text based on the provided [selector] action, and deletes it without moving the existing carets.
-   * On shift action, moves caret to the position where deletion occurred.
-   */
-  class Delete(private val selector: AceTagAction) : AceTagAction() {
-    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
-      val oldCarets = editor.caretModel.caretsAndSelections
+  class Cut(private val selector: AceTagAction) : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      selector(editor, searchProcessor, offset, shiftMode = false)
+      performAction(CutAction())
+    }
+  }
   
+  class Copy(private val selector: AceTagAction) : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      selector(editor, searchProcessor, offset, shiftMode = false)
+      performAction(CopyAction())
+    }
+  }
+  
+  class Paste(private val selector: AceTagAction) : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      selector(editor, searchProcessor, offset, shiftMode = false)
+      performAction(PasteAction())
+    }
+  }
+  
+  class Delete(private val selector: AceTagAction) : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
       selector(editor, searchProcessor, offset, shiftMode = false)
       WriteCommandAction.writeCommandAction(editor.project).withName("AceJump Delete").run<Throwable> {
         editor.selectionModel.let { editor.document.deleteString(it.selectionStart, it.selectionEnd) }
       }
-      
-      if (!shiftMode) {
-        editor.caretModel.caretsAndSelections = oldCarets
-      }
     }
   }
   
-  /**
-   * Selects text based on the provided [selector] action and clones it at every existing caret, selecting the cloned text. If a caret
-   * has a selection, the selected text will be replaced.
-   */
-  class CloneToCaret(selector: AceTagAction) : BasePerCaretWriteAction(selector) {
-    override fun invoke(editor: Editor, range: TextRange, shiftMode: Boolean) {
-      WriteCommandAction.writeCommandAction(editor.project).withName("AceJump Clone").run<Throwable> {
-        insertAtCarets(editor, editor.document.getText(range))
-      }
-    }
-  }
-  
-  /**
-   * Selects text based on the provided [selector] action and clones it to every existing caret, selecting the cloned text and deleting
-   * the original. If a caret has a selection, the selected text will be replaced.
-   */
-  open class MoveToCaret(selector: AceTagAction) : BasePerCaretWriteAction(selector) {
-    override fun invoke(editor: Editor, range: TextRange, shiftMode: Boolean) {
-      val difference = if (shiftMode) editor.caretModel.caretsAndSelections.sumBy {
-        val start = it.selectionStart?.let(editor::logicalPositionToOffset)
-        val end = it.selectionEnd?.let(editor::logicalPositionToOffset)
-        if (start == null || end == null || end > range.endOffset) 0 else range.length - (end - start)
-      } else 0
-      
-      WriteCommandAction.writeCommandAction(editor.project).withName("AceJump Move").run<Throwable> {
+  class CloneToCaret(private val selector: AceTagAction) : AceTagAction() {
+    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
       val document = editor.document
-        val text = document.getText(range)
-        document.deleteString(range.startOffset, range.endOffset)
+      val oldCarets = editor.caretModel.caretsAndSelections
+  
+      selector(editor, searchProcessor, offset, shiftMode = false)
+      val text = document.getText(editor.selectionModel.let { TextRange(it.selectionStart, it.selectionEnd) })
+  
+      editor.caretModel.caretsAndSelections = oldCarets
+      WriteCommandAction.writeCommandAction(editor.project).withName("AceJump Clone").run<Throwable> {
         insertAtCarets(editor, text)
       }
+    }
     
-      if (shiftMode) {
-        editor.selectionModel.removeSelection(true)
-        editor.caretModel.moveToOffset(range.startOffset + difference)
+    companion object {
+      fun insertAtCarets(editor: Editor, text: String) {
+        val document = editor.document
+        
+        editor.caretModel.runForEachCaret {
+          if (it.hasSelection()) {
+            document.replaceString(it.selectionStart, it.selectionEnd, text)
+          }
+          else {
+            document.insertString(it.offset, text)
+          }
+        }
+      }
+    }
+  }
+  
+  class MoveToCaret(private val selector: AceTagAction) : AceTagAction() {
+    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      val document = editor.document
+      val oldCarets = editor.caretModel.caretsAndSelections
+  
+      selector(editor, searchProcessor, offset, shiftMode = false)
+      val start = editor.selectionModel.selectionStart
+      val end = editor.selectionModel.selectionEnd
+      val text = document.getText(TextRange(start, end))
+  
+      editor.caretModel.caretsAndSelections = oldCarets
+      WriteCommandAction.writeCommandAction(editor.project).withName("AceJump Move").run<Throwable> {
+        document.deleteString(start, end)
+        CloneToCaret.insertAtCarets(editor, text)
       }
     }
   }
@@ -475,11 +382,11 @@ sealed class AceTagAction {
   /**
    * On default action, performs the Go To Declaration action, available via `Navigate | Declaration or Usages`.
    * On shift action, performs the Go To Type Declaration action, available via `Navigate | Type Declaration`.
-   * Always places the caret at the start of the word.
+   * Always places the caret at the end of the search query.
    */
-  object GoToDeclaration : AceTagAction() {
-    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
-      JumpToWordStart(editor, searchProcessor, offset, shiftMode = false)
+  object GoToDeclaration : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      JumpToSearchEnd(editor, searchProcessor, offset, shiftMode = false)
       performAction(if (shiftMode) GotoTypeDeclarationAction() else GotoDeclarationAction())
     }
   }
@@ -487,40 +394,29 @@ sealed class AceTagAction {
   /**
    * On default action, performs the Show Usages action, available via the context menu.
    * On shift action, performs the Find Usages action, available via the context menu.
-   * Always places the caret at the start of the word.
+   * Always places the caret at the end of the search query.
    */
-  object ShowUsages : AceTagAction() {
-    override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
-      JumpToWordStart(editor, searchProcessor, offset, shiftMode = false)
+  object ShowUsages : BaseCaretRestoringAction() {
+    override fun doInvoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
+      JumpToSearchEnd(editor, searchProcessor, offset, shiftMode = false)
       performAction(if (shiftMode) FindUsagesAction() else ShowUsagesAction())
     }
   }
   
   /**
    * Performs the Show Context Actions action, available via the context menu or Alt+Enter.
-   * Always places the caret at the start of the word.
    */
   object ShowIntentions : AceTagAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
-      JumpToWordStart(editor, searchProcessor, offset, shiftMode = false)
+      JumpToWordStartTag(editor, searchProcessor, offset, shiftMode = false)
       performAction(ShowIntentionActionsAction())
     }
   }
   
-  /**
-   * On default action, performs the Refactor This action, available via the main menu.
-   * On shift action, performs the Rename... refactoring, available via the main menu.
-   * Always places the caret at the start of the word.
-   */
   object Refactor : AceTagAction() {
     override fun invoke(editor: Editor, searchProcessor: SearchProcessor, offset: Int, shiftMode: Boolean) {
-      JumpToWordStart(editor, searchProcessor, offset, shiftMode = false)
-      if (shiftMode) {
-        ApplicationManager.getApplication().invokeLater { performAction(RenameElementAction()) }
-      }
-      else {
+      JumpToWordStartTag(editor, searchProcessor, offset, shiftMode = false)
       performAction(RefactoringQuickListPopupAction())
     }
   }
-  }
 }

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

@@ -19,7 +19,6 @@ class AceConfig : PersistentStateComponent<AceSettings> {
       get() = ServiceManager.getService(AceConfig::class.java).aceSettings
     
     val layout get() = settings.layout
-    val minQueryLength get() = settings.minQueryLength
     val jumpModeColor get() = settings.jumpModeColor
     val fromCaretModeColor get() = settings.fromCaretModeColor
     val betweenPointsModeColor get() = settings.betweenPointsModeColor
@@ -27,6 +26,7 @@ class AceConfig : PersistentStateComponent<AceSettings> {
     val tagForegroundColor get() = settings.tagForegroundColor
     val tagBackgroundColor get() = settings.tagBackgroundColor
     val acceptedTagColor get() = settings.acceptedTagColor
+    val roundedTagCorners get() = settings.roundedTagCorners
   }
   
   override fun getState(): AceSettings {

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

@@ -14,19 +14,18 @@ class AceConfigurable : Configurable {
   override fun isModified() =
     panel.allowedChars != settings.allowedChars ||
       panel.keyboardLayout != settings.layout ||
-      panel.minQueryLengthInt != settings.minQueryLength ||
       panel.jumpModeColor != settings.jumpModeColor ||
       panel.fromCaretModeColor != settings.fromCaretModeColor ||
       panel.betweenPointsModeColor != settings.betweenPointsModeColor ||
       panel.textHighlightColor != settings.textHighlightColor ||
       panel.tagForegroundColor != settings.tagForegroundColor ||
       panel.tagBackgroundColor != settings.tagBackgroundColor ||
-      panel.acceptedTagColor != settings.acceptedTagColor
+      panel.acceptedTagColor != settings.acceptedTagColor ||
+      panel.roundedTagCorners != settings.roundedTagCorners
   
   override fun apply() {
     settings.allowedChars = panel.allowedChars
     settings.layout = panel.keyboardLayout
-    settings.minQueryLength = panel.minQueryLengthInt ?: settings.minQueryLength
     panel.jumpModeColor?.let { settings.jumpModeColor = it }
     panel.fromCaretModeColor?.let { settings.fromCaretModeColor = it }
     panel.betweenPointsModeColor?.let { settings.betweenPointsModeColor = it }
@@ -34,6 +33,7 @@ class AceConfigurable : Configurable {
     panel.tagForegroundColor?.let { settings.tagForegroundColor = it }
     panel.tagBackgroundColor?.let { settings.tagBackgroundColor = it }
     panel.acceptedTagColor?.let { settings.acceptedTagColor = it }
+    settings.roundedTagCorners = panel.roundedTagCorners
     KeyLayoutCache.reset(settings)
   }
   

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

@@ -8,26 +8,27 @@ import java.awt.Color
 data class AceSettings(
   var layout: KeyLayout = QWERTY,
   var allowedChars: String = layout.allChars,
-  var minQueryLength: Int = 1,
   
   @OptionTag("jumpModeRGB", converter = ColorConverter::class)
-  var jumpModeColor: Color = Color(0xFFFFFF),
+  var jumpModeColor: Color = Color.BLUE,
   
   @OptionTag("fromCaretModeRGB", converter = ColorConverter::class)
-  var fromCaretModeColor: Color = Color(0xFFB700),
+  var fromCaretModeColor: Color = Color.ORANGE,
   
   @OptionTag("betweenPointsModeRGB", converter = ColorConverter::class)
-  var betweenPointsModeColor: Color = Color(0x6FC5FF),
+  var betweenPointsModeColor: Color = Color.YELLOW,
   
   @OptionTag("textHighlightRGB", converter = ColorConverter::class)
-  var textHighlightColor: Color = Color(0x394B58),
+  var textHighlightColor: Color = Color.GREEN,
   
   @OptionTag("tagForegroundRGB", converter = ColorConverter::class)
-  var tagForegroundColor: Color = Color(0xFFFFFF),
+  var tagForegroundColor: Color = Color.BLACK,
   
   @OptionTag("tagBackgroundRGB", converter = ColorConverter::class)
-  var tagBackgroundColor: Color = Color(0x008299),
+  var tagBackgroundColor: Color = Color.YELLOW,
   
   @OptionTag("acceptedTagRGB", converter = ColorConverter::class)
-  var acceptedTagColor: Color = Color(0x394B58)
+  var acceptedTagColor: Color = Color.CYAN,
+  
+  var roundedTagCorners: Boolean = true
 )

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

@@ -2,6 +2,7 @@ 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.JBTextArea
 import com.intellij.ui.components.JBTextField
 import com.intellij.ui.layout.Cell
@@ -25,7 +26,6 @@ internal class AceSettingsPanel {
   private val tagCharsField = JBTextField()
   private val keyboardLayoutCombo = ComboBox<KeyLayout>()
   private val keyboardLayoutArea = JBTextArea().apply { isEditable = false }
-  private val minQueryLengthField = JBTextField()
   private val jumpModeColorWheel = ColorPanel()
   private val fromCaretModeColorWheel = ColorPanel()
   private val betweenPointsModeColorWheel = ColorPanel()
@@ -33,6 +33,7 @@ internal class AceSettingsPanel {
   private val tagForegroundColorWheel = ColorPanel()
   private val tagBackgroundColorWheel = ColorPanel()
   private val acceptedTagColorWheel = ColorPanel()
+  private val roundedTagCornersCheckBox = JBCheckBox()
   
   init {
     tagCharsField.apply { font = Font("monospaced", font.style, font.size) }
@@ -50,10 +51,6 @@ internal class AceSettingsPanel {
       row("Keyboard design:") { short(keyboardLayoutArea) }
     }
     
-    titledRow("Behavior") {
-      row("Minimum typed characters (1-10):") { short(minQueryLengthField) }
-    }
-    
     titledRow("Colors") {
       row("Jump mode caret background:") { short(jumpModeColorWheel) }
       row("From Caret mode caret background:") { short(fromCaretModeColorWheel) }
@@ -63,13 +60,16 @@ internal class AceSettingsPanel {
       row("Tag background:") { short(tagBackgroundColorWheel) }
       row("Accepted tag position background:") { short(acceptedTagColorWheel) }
     }
+    
+    titledRow("Appearance") {
+      row { short(roundedTagCornersCheckBox.apply { text = "Rounded tag corners" }) }
+    }
   }
   
   // Property-to-property delegation: https://stackoverflow.com/q/45074596/1772342
   internal var allowedChars by tagCharsField
   internal var keyboardLayout by keyboardLayoutCombo
   internal var keyChars by keyboardLayoutArea
-  internal var minQueryLength by minQueryLengthField
   internal var jumpModeColor by jumpModeColorWheel
   internal var fromCaretModeColor by fromCaretModeColorWheel
   internal var betweenPointsModeColor by betweenPointsModeColorWheel
@@ -77,15 +77,11 @@ internal class AceSettingsPanel {
   internal var tagForegroundColor by tagForegroundColorWheel
   internal var tagBackgroundColor by tagBackgroundColorWheel
   internal var acceptedTagColor by acceptedTagColorWheel
-  
-  internal var minQueryLengthInt
-    get() = minQueryLength.toIntOrNull()?.coerceIn(1, 10)
-    set(value) { minQueryLength = value.toString() }
+  internal var roundedTagCorners by roundedTagCornersCheckBox
   
   fun reset(settings: AceSettings) {
     allowedChars = settings.allowedChars
     keyboardLayout = settings.layout
-    minQueryLength = settings.minQueryLength.toString()
     jumpModeColor = settings.jumpModeColor
     fromCaretModeColor = settings.fromCaretModeColor
     betweenPointsModeColor = settings.betweenPointsModeColor
@@ -93,6 +89,7 @@ internal class AceSettingsPanel {
     tagForegroundColor = settings.tagForegroundColor
     tagBackgroundColor = settings.tagBackgroundColor
     acceptedTagColor = settings.acceptedTagColor
+    roundedTagCorners = settings.roundedTagCorners
   }
   
   // Removal pending support for https://youtrack.jetbrains.com/issue/KT-8575

src/main/kotlin/org/acejump/modes/BetweenPointsMode.kt

@@ -3,23 +3,31 @@ package org.acejump.modes
 import com.intellij.openapi.editor.CaretState
 import org.acejump.action.AceTagAction
 import org.acejump.config.AceConfig
+import org.acejump.session.SessionMode
 import org.acejump.session.SessionState
 import org.acejump.session.TypeResult
 
 class BetweenPointsMode : SessionMode {
   private companion object {
-    private val TYPE_TAG_HINT = arrayOf(
+    private val HINT_TYPE_TAG = arrayOf(
       "<b>Type to Search...</b>"
     )
     
-    private val ACTION_MODE_HINT = arrayOf(
-      "<f>[S]</f>elect... / <f>[F]</f>rom Caret...",
-      "<f>[D]</f>elete...",
+    private val HINT_ACTION_MODE = arrayOf(
+      "<h>Between Points Mode</h>",
+      "<f>[S]</f>elect... / <f>[D]</f>elete...",
       "<f>[C]</f>lone to Caret...",
       "<f>[M]</f>ove to Caret..."
     )
     
-    private const val ACTION_MODE_FROM_CARET = 'F'
+    private val HINT_JUMP_MODE = arrayOf(
+      "<f>[J]</f> at Tag / <f>[L]</f> past Query",
+      "Word <f>[S]</f>tart / Word <f>[E]</f>nd"
+    )
+    
+    private val HINT_JUMP_OR_SELECT_MODE = HINT_JUMP_MODE + arrayOf(
+      "Select <f>[W]</f>ord / <f>[H]</f>ump / <f>[Q]</f>uery / <f>[1-9]</f> Expansion"
+    )
     
     private val ACTION_MODE_MAP = mapOf(
       'S' to ({ action: AceTagAction.BaseSelectAction -> action }),
@@ -27,6 +35,20 @@ class BetweenPointsMode : SessionMode {
       'C' to (AceTagAction::CloneToCaret),
       'M' to (AceTagAction::MoveToCaret)
     )
+    
+    private val JUMP_MODE_MAP = mapOf(
+      'J' to AceTagAction.JumpToSearchStart,
+      'L' to AceTagAction.JumpPastSearchEnd,
+      'S' to AceTagAction.JumpToWordStartTag,
+      'E' to AceTagAction.JumpToWordEndTag
+    )
+    
+    private val SELECTION_MODE_MAP = mapOf(
+      'W' to AceTagAction.SelectWord,
+      'H' to AceTagAction.SelectHump,
+      'Q' to AceTagAction.SelectQuery,
+      *('1'..'9').mapIndexed { index, char -> char to AceTagAction.SelectExtended(index + 1) }.toTypedArray()
+    )
   }
   
   override val caretColor
@@ -39,10 +61,6 @@ class BetweenPointsMode : SessionMode {
   override fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult {
     val actionMode = actionMode
     if (actionMode == null) {
-      if (charTyped.equals(ACTION_MODE_FROM_CARET, ignoreCase = true)) {
-        return TypeResult.ChangeMode(SelectFromCaretMode())
-      }
-      
       this.actionMode = ACTION_MODE_MAP[charTyped.toUpperCase()]
       return TypeResult.Nothing
     }
@@ -52,14 +70,14 @@ class BetweenPointsMode : SessionMode {
     }
     
     if (firstOffset == null) {
-      val selectAction = JumpMode.SELECT_ACTION_MAP[charTyped.toUpperCase()]
+      val selectAction = SELECTION_MODE_MAP[charTyped.toUpperCase()]
       if (selectAction != null) {
         state.act(actionMode(selectAction), acceptedTag, shiftMode = charTyped.isUpperCase())
         return TypeResult.EndSession
       }
     }
     
-    val jumpAction = JumpMode.JUMP_ACTION_MAP[charTyped.toUpperCase()]
+    val jumpAction = JUMP_MODE_MAP[charTyped.toUpperCase()]
     if (jumpAction == null) {
       return TypeResult.Nothing
     }
@@ -80,12 +98,12 @@ class BetweenPointsMode : SessionMode {
     return TypeResult.EndSession
   }
   
-  override fun getHint(acceptedTag: Int?, hasQuery: Boolean): Array<String>? {
+  override fun getHint(acceptedTag: Int?): Array<String> {
     return when {
-      actionMode == null  -> ACTION_MODE_HINT
-      acceptedTag == null -> TYPE_TAG_HINT.takeUnless { hasQuery }
-      firstOffset == null -> JumpMode.JUMP_ALT_HINT + JumpMode.SELECT_HINT
-      else                -> JumpMode.JUMP_ALT_HINT
+      actionMode == null  -> HINT_ACTION_MODE
+      acceptedTag == null -> HINT_TYPE_TAG
+      firstOffset == null -> HINT_JUMP_OR_SELECT_MODE
+      else                -> HINT_JUMP_MODE
     }
   }
 }

src/main/kotlin/org/acejump/modes/FromCaretMode.kt

@@ -0,0 +1,74 @@
+package org.acejump.modes
+
+import org.acejump.action.AceTagAction
+import org.acejump.config.AceConfig
+import org.acejump.session.SessionMode
+import org.acejump.session.SessionState
+import org.acejump.session.TypeResult
+
+class FromCaretMode : SessionMode {
+  private companion object {
+    private val HINT_TYPE_TAG = arrayOf(
+      "<b>Type to Search...</b>"
+    )
+    
+    private val HINT_ACTION_MODE = arrayOf(
+      "<h>From Caret Mode</h>",
+      "<f>[S]</f>elect... / <f>[D]</f>elete...",
+      "<f>[X]</f> Cut... / <f>[C]</f>opy... / <f>[P]</f>aste..."
+    )
+    
+    private val HINT_JUMP_MODE = arrayOf(
+      "<f>[J]</f> at Tag / <f>[L]</f> past Query",
+      "Word <f>[S]</f>tart / Word <f>[E]</f>nd"
+    )
+    
+    private val ACTION_MODE_MAP = mapOf(
+      'S' to ({ action: AceTagAction.SelectToCaret -> action }),
+      'D' to (AceTagAction::Delete),
+      'X' to (AceTagAction::Cut),
+      'C' to (AceTagAction::Copy),
+      'P' to (AceTagAction::Paste)
+    )
+    
+    private val JUMP_MODE_MAP = mapOf(
+      'J' to AceTagAction.JumpToSearchStart,
+      'L' to AceTagAction.JumpPastSearchEnd,
+      'S' to AceTagAction.JumpToWordStartTag,
+      'E' to AceTagAction.JumpToWordEndTag
+    )
+  }
+  
+  override val caretColor
+    get() = AceConfig.fromCaretModeColor
+  
+  private var actionMode: ((AceTagAction.SelectToCaret) -> AceTagAction)? = null
+  
+  override fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult {
+    val actionMode = actionMode
+    if (actionMode == null) {
+      this.actionMode = ACTION_MODE_MAP[charTyped.toUpperCase()]
+      return TypeResult.Nothing
+    }
+    
+    if (acceptedTag == null) {
+      return state.type(charTyped)
+    }
+    
+    val jumpAction = JUMP_MODE_MAP[charTyped.toUpperCase()]
+    if (jumpAction == null) {
+      return TypeResult.Nothing
+    }
+    
+    state.act(actionMode(AceTagAction.SelectToCaret(jumpAction)), acceptedTag, shiftMode = charTyped.isUpperCase())
+    return TypeResult.EndSession
+  }
+  
+  override fun getHint(acceptedTag: Int?): Array<String>? {
+    return when {
+      actionMode == null  -> HINT_ACTION_MODE
+      acceptedTag == null -> HINT_TYPE_TAG
+      else                -> HINT_JUMP_MODE
+    }
+  }
+}

src/main/kotlin/org/acejump/modes/JumpMode.kt

@@ -2,65 +2,46 @@ package org.acejump.modes
 
 import org.acejump.action.AceTagAction
 import org.acejump.config.AceConfig
+import org.acejump.session.SessionMode
 import org.acejump.session.SessionState
 import org.acejump.session.TypeResult
 
 class JumpMode : SessionMode {
-  companion object {
-    private val JUMP_HINT = arrayOf(
-      "<f>[J]</f>ump / <f>[L]</f> past Query",
-      "<f>[E]</f> Word End / <f>[M]</f> Line End"
-    )
-    
-    val JUMP_ALT_HINT = JUMP_HINT.map { it.replace("<f>[J]</f>ump ", "<f>[J]</f> at Tag ") }.toTypedArray()
-    
-    val JUMP_ACTION_MAP = mapOf(
-      'J' to AceTagAction.JumpToSearchStart,
-      'L' to AceTagAction.JumpPastSearchEnd,
-      'E' to AceTagAction.JumpToWordEnd,
-      'M' to AceTagAction.JumpToLineEnd
-    )
-    
-    val SELECT_HINT = arrayOf(
-      "Select <f>[W]</f>ord / <f>[H]</f>ump / <f>[A]</f>round",
-      "Select <f>[Q]</f>uery / <f>[N]</f> Line / <f>[1-9]</f> Expansion"
-    )
-    
-    val SELECT_ACTION_MAP = mapOf(
-      'W' to AceTagAction.SelectWord,
-      'H' to AceTagAction.SelectHump,
-      'A' to AceTagAction.SelectAroundWord,
-      'Q' to AceTagAction.SelectQuery,
-      'N' to AceTagAction.SelectLine,
-      *('1'..'9').mapIndexed { index, char -> char to AceTagAction.SelectExtended(index + 1) }.toTypedArray()
-    )
-    
-    private val ALL_HINTS = arrayOf(
-      *JUMP_HINT,
-      *SELECT_HINT,
+  private companion object {
+    private val HINT_ACTIONS = arrayOf(
+      "<f>[J]</f>ump to Tag / <f>[L]</f> past Query",
+      "Word <f>[S]</f>tart / <f>[E]</f>nd",
+      "Select <f>[W]</f>ord / <f>[H]</f>ump / <f>[Q]</f>uery / <f>[1-9]</f> Expansion",
       "<f>[D]</f>eclaration / <f>[U]</f>sages",
       "<f>[I]</f>ntentions / <f>[R]</f>efactor"
     )
     
-    private val ALL_ACTION_MAP = mapOf(
-      *JUMP_ACTION_MAP.map { it.key to it.value }.toTypedArray(),
-      *SELECT_ACTION_MAP.map { it.key to it.value }.toTypedArray(),
+    private val ACTION_MAP = mapOf(
+      'J' to AceTagAction.JumpToSearchStart,
+      'L' to AceTagAction.JumpPastSearchEnd,
+      'S' to AceTagAction.JumpToWordStartTag,
+      'E' to AceTagAction.JumpToWordEndTag,
+      'W' to AceTagAction.SelectWord,
+      'H' to AceTagAction.SelectHump,
+      'Q' to AceTagAction.SelectQuery,
       'D' to AceTagAction.GoToDeclaration,
       'U' to AceTagAction.ShowUsages,
       'I' to AceTagAction.ShowIntentions,
-      'R' to AceTagAction.Refactor
+      'R' to AceTagAction.Refactor,
+      *('1'..'9').mapIndexed { index, char -> char to AceTagAction.SelectExtended(index + 1) }.toTypedArray()
     )
   }
   
   override val caretColor
     get() = AceConfig.jumpModeColor
   
+  
   override fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult {
     if (acceptedTag == null) {
       return state.type(charTyped)
     }
   
-    val action = ALL_ACTION_MAP[charTyped.toUpperCase()]
+    val action = ACTION_MAP[charTyped.toUpperCase()]
     if (action != null) {
       state.act(action, acceptedTag, charTyped.isUpperCase())
       return TypeResult.EndSession
@@ -69,7 +50,7 @@ class JumpMode : SessionMode {
     return TypeResult.Nothing
   }
   
-  override fun getHint(acceptedTag: Int?, hasQuery: Boolean): Array<String>? {
-    return ALL_HINTS.takeIf { acceptedTag != null }
+  override fun getHint(acceptedTag: Int?): Array<String>? {
+    return HINT_ACTIONS.takeIf { acceptedTag != null }
   }
 }

src/main/kotlin/org/acejump/modes/SelectFromCaretMode.kt

@@ -1,29 +0,0 @@
-package org.acejump.modes
-
-import org.acejump.action.AceTagAction
-import org.acejump.config.AceConfig
-import org.acejump.session.SessionState
-import org.acejump.session.TypeResult
-
-class SelectFromCaretMode : SessionMode {
-  override val caretColor
-    get() = AceConfig.fromCaretModeColor
-  
-  override fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult {
-    if (acceptedTag == null) {
-      return state.type(charTyped)
-    }
-    
-    val jumpAction = JumpMode.JUMP_ACTION_MAP[charTyped.toUpperCase()]
-    if (jumpAction == null) {
-      return TypeResult.Nothing
-    }
-    
-    state.act(AceTagAction.SelectToCaret(jumpAction), acceptedTag, shiftMode = charTyped.isUpperCase())
-    return TypeResult.EndSession
-  }
-  
-  override fun getHint(acceptedTag: Int?, hasQuery: Boolean): Array<String>? {
-    return JumpMode.JUMP_ALT_HINT.takeIf { acceptedTag != null }
-  }
-}

src/main/kotlin/org/acejump/modes/SessionMode.kt

@@ -1,12 +0,0 @@
-package org.acejump.modes
-
-import org.acejump.session.SessionState
-import org.acejump.session.TypeResult
-import java.awt.Color
-
-interface SessionMode {
-  val caretColor: Color
-  
-  fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult
-  fun getHint(acceptedTag: Int?, hasQuery: Boolean): Array<String>?
-}

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

@@ -30,14 +30,13 @@ class SearchProcessor private constructor(private val editor: Editor, query: Sea
       
       while (result != null) {
         val index = result.range.first // For some reason regex matches can be out of bounds, but boundary check prevents an exception.
-        val highlightEnd = index + query.getHighlightLength("", index)
         
-        if (highlightEnd > offsetRange.last) {
-          break
-        }
-        else if (boundaries.isOffsetInside(editor, index)) {
+        if (boundaries.isOffsetInside(editor, index)) {
           results.add(index)
         }
+        else if (index > offsetRange.last) {
+          break
+        }
         
         result = result.next()
       }

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

@@ -13,12 +13,11 @@ import com.intellij.ui.LightweightHint
 import org.acejump.ExternalUsage
 import org.acejump.boundaries.Boundaries
 import org.acejump.config.AceConfig
-import org.acejump.immutableText
 import org.acejump.input.EditorKeyListener
 import org.acejump.input.KeyLayoutCache
 import org.acejump.modes.BetweenPointsMode
+import org.acejump.modes.FromCaretMode
 import org.acejump.modes.JumpMode
-import org.acejump.modes.SessionMode
 import org.acejump.search.*
 import org.acejump.view.TagCanvas
 import org.acejump.view.TextHighlighter
@@ -30,7 +29,7 @@ class Session(private val editor: Editor) {
   private val editorSettings = EditorSettings.setup(editor)
   private lateinit var mode: SessionMode
   
-  private var state: SessionStateImpl? = null
+  private var state: SessionState? = null
   private var tagger = Tagger(editor)
   
   private var acceptedTag: Int? = null
@@ -64,7 +63,7 @@ class Session(private val editor: Editor) {
         
         when (result) {
           TypeResult.Nothing          -> updateHint()
-          TypeResult.RestartSearch    -> restart().also { this@Session.state = SessionStateImpl(editor, tagger); updateHint() }
+          TypeResult.RestartSearch    -> restart().also { this@Session.state = SessionState(editor, tagger); updateHint() }
           is TypeResult.UpdateResults -> updateSearch(result.processor, markImmediately = hadTags)
           is TypeResult.ChangeMode    -> setMode(result.mode)
           TypeResult.EndSession       -> end()
@@ -75,12 +74,13 @@ class Session(private val editor: Editor) {
   
   /**
    * Updates text highlights and tag markers according to the current search state. Dispatches jumps if the search query matches a tag.
+   * If all tags are outside view, scrolls to the closest one.
    */
   private fun updateSearch(processor: SearchProcessor, markImmediately: Boolean) {
     val query = processor.query
     val results = processor.results
     
-    if (!markImmediately && query.rawText.let { it.length < AceConfig.minQueryLength && it.all(Char::isLetterOrDigit) }) {
+    if (query is SearchQuery.Literal && !markImmediately && query.rawText.let { it.length < 2 && it.all(Char::isLetterOrDigit) }) {
       textHighlighter.renderOccurrences(results, query)
       return
     }
@@ -94,7 +94,7 @@ class Session(private val editor: Editor) {
       
       is TaggingResult.Mark -> {
         val tags = result.tags
-        tagCanvas.setMarkers(tags)
+        tagCanvas.setMarkers(tags, isRegex = query is SearchQuery.RegularExpression)
         textHighlighter.renderOccurrences(results, query)
       }
     }
@@ -109,11 +109,13 @@ class Session(private val editor: Editor) {
   }
   
   private fun updateHint() {
-    val hintArray = mode.getHint(acceptedTag, state?.currentProcessor.let { it != null && it.query.rawText.isNotEmpty() }) ?: return
+    val hintArray = mode.getHint(acceptedTag) ?: return
     val hintText = hintArray
       .joinToString("\n")
       .replace("<f>", "<span style=\"font-family:'${editor.colorsScheme.editorFontName}';font-weight:bold\">")
       .replace("</f>", "</span>")
+      .replace("<h>", "<b><u>")
+      .replace("</h>", "</u></b>")
     
     val hint = LightweightHint(HintUtil.createInformationLabel(hintText))
     val pos = acceptedTag?.let(editor::offsetToLogicalPosition) ?: editor.caretModel.logicalPosition
@@ -126,31 +128,34 @@ class Session(private val editor: Editor) {
   fun cycleMode() {
     if (!this::mode.isInitialized) {
       setMode(JumpMode())
-      state = SessionStateImpl(editor, tagger)
+      state = SessionState(editor, tagger)
       return
     }
     
     restart()
     setMode(when (mode) {
-      is JumpMode -> BetweenPointsMode()
+      is JumpMode      -> FromCaretMode()
+      is FromCaretMode -> BetweenPointsMode()
       else             -> JumpMode()
     })
     
-    state = SessionStateImpl(editor, tagger)
+    state = SessionState(editor, tagger)
   }
   
   /**
    * Starts a regular expression search. If a search was already active, it will be reset alongside its tags and highlights.
    */
   fun startRegexSearch(pattern: String, boundaries: Boundaries) {
-    if (!this::mode.isInitialized) {
-      setMode(JumpMode())
+    if (this::mode.isInitialized) {
+      end()
+      return
     }
     
+    setMode(JumpMode())
     tagger = Tagger(editor)
-    tagCanvas.setMarkers(emptyList())
+    tagCanvas.setMarkers(emptyList(), isRegex = true)
     
-    val processor = SearchProcessor.fromRegex(editor, pattern, boundaries).also { state = SessionStateImpl(editor, tagger, it) }
+    val processor = SearchProcessor.fromRegex(editor, pattern, boundaries).also { state = SessionState(editor, tagger, it) }
     updateSearch(processor, markImmediately = true)
   }
   
@@ -161,24 +166,6 @@ class Session(private val editor: Editor) {
     startRegexSearch(pattern.regex, boundaries)
   }
   
-  fun tagImmediately() {
-    val state = state ?: return
-    val processor = state.currentProcessor
-    
-    if (processor != null) {
-      updateSearch(processor, markImmediately = true)
-    }
-    else if (mode is JumpMode) {
-      val offset = editor.caretModel.offset
-      val result = editor.immutableText.getOrNull(offset)?.let(state::type)
-      if (result is TypeResult.UpdateResults) {
-        acceptedTag = offset
-        textHighlighter.renderFinal(offset, result.processor.query)
-        updateHint()
-      }
-    }
-  }
-  
   /**
    * Ends this session.
    */

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

@@ -0,0 +1,10 @@
+package org.acejump.session
+
+import java.awt.Color
+
+interface SessionMode {
+  val caretColor: Color
+  
+  fun type(state: SessionState, charTyped: Char, acceptedTag: Int?): TypeResult
+  fun getHint(acceptedTag: Int?): Array<String>?
+}

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

@@ -2,9 +2,29 @@ package org.acejump.session
 
 import com.intellij.openapi.editor.Editor
 import org.acejump.action.AceTagAction
+import org.acejump.boundaries.StandardBoundaries
+import org.acejump.search.SearchProcessor
+import org.acejump.search.Tagger
 
-interface SessionState {
-  val editor: Editor
-  fun type(char: Char): TypeResult
-  fun act(action: AceTagAction, offset: Int, shiftMode: Boolean)
+class SessionState(val editor: Editor, private val tagger: Tagger, processor: SearchProcessor? = null) {
+  private var currentProcessor: SearchProcessor? = processor
+  
+  fun type(char: Char): TypeResult {
+    val processor = currentProcessor
+    
+    if (processor == null) {
+      val newProcessor = SearchProcessor.fromChar(editor, char, StandardBoundaries.VISIBLE_ON_SCREEN)
+      return TypeResult.UpdateResults(newProcessor.also { currentProcessor = it })
+    }
+    
+    if (processor.type(char, tagger)) {
+      return TypeResult.UpdateResults(processor)
+    }
+    
+    return TypeResult.Nothing
+  }
+  
+  fun act(action: AceTagAction, offset: Int, shiftMode: Boolean) {
+    currentProcessor?.let { action(editor, it, offset, shiftMode) }
+  }
 }

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

@@ -1,30 +0,0 @@
-package org.acejump.session
-
-import com.intellij.openapi.editor.Editor
-import org.acejump.action.AceTagAction
-import org.acejump.boundaries.StandardBoundaries
-import org.acejump.search.SearchProcessor
-import org.acejump.search.Tagger
-
-internal class SessionStateImpl(override val editor: Editor, private val tagger: Tagger, processor: SearchProcessor? = null) : SessionState {
-  internal var currentProcessor: SearchProcessor? = processor
-  
-  override fun type(char: Char): TypeResult {
-    val processor = currentProcessor
-    
-    if (processor == null) {
-      val newProcessor = SearchProcessor.fromChar(editor, char, StandardBoundaries.VISIBLE_ON_SCREEN)
-      return TypeResult.UpdateResults(newProcessor.also { currentProcessor = it })
-    }
-    
-    if (processor.type(char, tagger)) {
-      return TypeResult.UpdateResults(processor)
-    }
-    
-    return TypeResult.Nothing
-  }
-  
-  override fun act(action: AceTagAction, offset: Int, shiftMode: Boolean) {
-    currentProcessor?.let { action(editor, it, offset, shiftMode) }
-  }
-}

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

@@ -1,6 +1,5 @@
 package org.acejump.session
 
-import org.acejump.modes.SessionMode
 import org.acejump.search.SearchProcessor
 
 sealed class TypeResult {

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

@@ -27,8 +27,6 @@ internal class Tag(
   private val length = tag.length
   
   companion object {
-    private const val ARC = 1
-    
     /**
      * Creates a new tag, precomputing some information about the nearby characters to reduce rendering overhead. If the last typed
      * character ([literalQueryText]) matches the first [tag] character, only the second [tag] character is displayed.
@@ -49,27 +47,18 @@ internal class Tag(
     /**
      * Renders the tag background.
      */
-    private fun drawHighlight(g: Graphics2D, rect: Rectangle, color: Color) {
+    private fun drawHighlight(g: Graphics2D, rect: Rectangle, color: Color, arc: Int) {
       g.color = color
-      g.fillRoundRect(rect.x, rect.y, rect.width, rect.height + 1, ARC, ARC)
+      g.fillRoundRect(rect.x, rect.y + 1, rect.width, rect.height - 1, arc, arc)
     }
     
     /**
      * Renders the tag text.
      */
     private fun drawForeground(g: Graphics2D, font: TagFont, point: Point, text: String) {
-      val x = point.x + 2
-      val y = point.y + font.baselineDistance
-  
       g.font = font.tagFont
-      
-      if (!ColorUtil.isDark(AceConfig.tagForegroundColor)) {
-        g.color = Color(0F, 0F, 0F, 0.35F)
-        g.drawString(text, x + 1, y + 1)
-      }
-      
       g.color = AceConfig.tagForegroundColor
-      g.drawString(text, x, y)
+      g.drawString(text, point.x, point.y + font.baselineDistance)
     }
   }
   
@@ -81,36 +70,56 @@ internal class Tag(
     return offsetL in range
   }
   
+  /**
+   * Determines on which side of the target character the tag is positioned.
+   */
+  enum class TagAlignment {
+    LEFT,
+    RIGHT
+  }
+  
   /**
    * Paints the tag, taking into consideration visual space around characters in the editor, as well as all other previously painted tags.
    * Returns a rectangle indicating the area where the tag was rendered, or null if the tag could not be rendered due to overlap.
    */
-  fun paint(g: Graphics2D, editor: Editor, cache: EditorOffsetCache, font: TagFont, occupied: MutableList<Rectangle>): Rectangle? {
-    val rect = alignTag(editor, cache, font, occupied) ?: return null
+  fun paint(
+    g: Graphics2D, editor: Editor, cache: EditorOffsetCache, font: TagFont, occupied: MutableList<Rectangle>, isRegex: Boolean
+  ): Rectangle? {
+    val (rect, alignment) = alignTag(editor, cache, font, occupied) ?: return null
     
-    drawHighlight(g, rect, AceConfig.tagBackgroundColor)
+    val highlightColor = when {
+      alignment != TagAlignment.RIGHT || hasSpaceRight || isRegex -> AceConfig.tagBackgroundColor
+      else                                                        -> ColorUtil.darker(AceConfig.tagBackgroundColor, 3)
+    }
+    
+    drawHighlight(g, rect, highlightColor, font.tagCornerArc)
     drawForeground(g, font, rect.location, tag)
     
     occupied.add(JBUIScale.scale(2).let { Rectangle(rect.x - it, rect.y, rect.width + (2 * it), rect.height) })
     return rect
   }
   
-  private fun alignTag(editor: Editor, cache: EditorOffsetCache, font: TagFont, occupied: List<Rectangle>): Rectangle? {
+  private fun alignTag(editor: Editor, cache: EditorOffsetCache, font: TagFont, occupied: List<Rectangle>): Pair<Rectangle, TagAlignment>? {
     val boundaries = StandardBoundaries.VISIBLE_ON_SCREEN
     
     if (hasSpaceRight || offsetL == 0 || editor.immutableText[offsetL - 1].let { it == '\n' || it == '\r' }) {
       val rectR = createRightAlignedTagRect(editor, cache, font)
-      return rectR.takeIf { boundaries.isOffsetInside(editor, offsetR, cache) && occupied.none(rectR::intersects) }
+      
+      return (rectR to TagAlignment.RIGHT).takeIf {
+        boundaries.isOffsetInside(editor, offsetR, cache) && occupied.none(rectR::intersects)
+      }
     }
     
     val rectL = createLeftAlignedTagRect(editor, cache, font)
+    
     if (occupied.none(rectL::intersects)) {
-      return rectL.takeIf { boundaries.isOffsetInside(editor, offsetL, cache) }
+      return (rectL to TagAlignment.LEFT).takeIf { boundaries.isOffsetInside(editor, offsetL, cache) }
     }
     
     val rectR = createRightAlignedTagRect(editor, cache, font)
+    
     if (occupied.none(rectR::intersects)) {
-      return rectR.takeIf { boundaries.isOffsetInside(editor, offsetR, cache) }
+      return (rectR to TagAlignment.RIGHT).takeIf { boundaries.isOffsetInside(editor, offsetR, cache) }
     }
     
     return null
@@ -119,12 +128,12 @@ internal class Tag(
   private fun createRightAlignedTagRect(editor: Editor, cache: EditorOffsetCache, font: TagFont): Rectangle {
     val pos = cache.offsetToXY(editor, offsetR)
     val shift = font.editorFontMetrics.charWidth(editor.immutableText[offsetR]) + (font.tagCharWidth * shiftR)
-    return Rectangle(pos.x + shift, pos.y, (font.tagCharWidth * length) + 4, font.lineHeight)
+    return Rectangle(pos.x + shift, pos.y, font.tagCharWidth * length, font.lineHeight)
   }
   
   private fun createLeftAlignedTagRect(editor: Editor, cache: EditorOffsetCache, font: TagFont): Rectangle {
     val pos = cache.offsetToXY(editor, offsetL)
     val shift = -(font.tagCharWidth * length)
-    return Rectangle(pos.x + shift - 4, pos.y, (font.tagCharWidth * length) + 4, font.lineHeight)
+    return Rectangle(pos.x + shift, pos.y, font.tagCharWidth * length, font.lineHeight)
   }
 }

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

@@ -4,8 +4,10 @@ import com.intellij.openapi.application.ApplicationInfo
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.event.CaretEvent
 import com.intellij.openapi.editor.event.CaretListener
+import com.intellij.ui.ColorUtil
 import org.acejump.boundaries.EditorOffsetCache
 import org.acejump.boundaries.StandardBoundaries
+import org.acejump.config.AceConfig
 import java.awt.Graphics
 import java.awt.Graphics2D
 import java.awt.Rectangle
@@ -18,6 +20,7 @@ import javax.swing.SwingUtilities
  */
 internal class TagCanvas(private val editor: Editor) : JComponent(), CaretListener {
   private var markers: List<Tag>? = null
+  private var isRegex = false
   
   init {
     val contentComponent = editor.contentComponent
@@ -45,8 +48,9 @@ internal class TagCanvas(private val editor: Editor) : JComponent(), CaretListen
     repaint()
   }
   
-  fun setMarkers(markers: List<Tag>) {
+  fun setMarkers(markers: List<Tag>, isRegex: Boolean) {
     this.markers = markers
+    this.isRegex = isRegex
     repaint()
   }
   
@@ -80,12 +84,18 @@ internal class TagCanvas(private val editor: Editor) : JComponent(), CaretListen
     
     val caretOffset = editor.caretModel.offset
     val caretMarker = markers.find { it.offsetL == caretOffset || it.offsetR == caretOffset }
-    caretMarker?.paint(g, editor, cache, font, occupied)
+    val caretRect = caretMarker?.paint(g, editor, cache, font, occupied, isRegex)
     
     for (marker in markers) {
       if (marker.isOffsetInRange(viewRange) && marker !== caretMarker) {
-        marker.paint(g, editor, cache, font, occupied)
+        marker.paint(g, editor, cache, font, occupied, isRegex)
       }
     }
+    
+    if (caretRect != null) {
+      g.color = ColorUtil.brighter(AceConfig.tagBackgroundColor, 10)
+      // Only adding 1 to width because it seems the right side of the tag highlight is slightly off.
+      g.drawRoundRect(caretRect.x - 1, caretRect.y, caretRect.width + 1, caretRect.height, font.tagCornerArc, font.tagCornerArc)
+    }
   }
 }

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

@@ -1,7 +1,8 @@
-package org.acejump.view
+package org.acejump.view;
 
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.colors.EditorFontType
+import org.acejump.config.AceConfig
 import java.awt.Font
 import java.awt.FontMetrics
 
@@ -10,7 +11,8 @@ import java.awt.FontMetrics
  */
 internal class TagFont(editor: Editor) {
   val tagFont: Font = editor.colorsScheme.getFont(EditorFontType.BOLD)
-  val tagCharWidth = editor.component.getFontMetrics(tagFont).charWidth('W')
+  val tagCharWidth = editor.component.getFontMetrics(tagFont).charWidth('w')
+  val tagCornerArc = if (AceConfig.roundedTagCorners) editor.colorsScheme.editorFontSize - 3 else 1
   
   val editorFontMetrics: FontMetrics = editor.component.getFontMetrics(editor.colorsScheme.getFont(EditorFontType.PLAIN))
   val lineHeight = editor.lineHeight

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

@@ -42,6 +42,8 @@ internal class TextHighlighter(private val editor: Editor) {
     val markup = editor.markupModel
     val chars = editor.immutableText
     
+    ARC = TagFont(editor).tagCornerArc
+    
     val modifications = (previousHighlights?.size ?: 0) + offsets.size
     val enableBulkEditing = modifications > 1000
     
@@ -102,16 +104,14 @@ internal class TextHighlighter(private val editor: Editor) {
   
   private companion object {
     private const val LAYER = HighlighterLayer.LAST + 1
+    private var ARC = 0
   
     private fun drawFilled(g: Graphics, editor: Editor, startOffset: Int, endOffset: Int, color: Color) {
       val start = EditorOffsetCache.Uncached.offsetToXY(editor, startOffset)
       val end = EditorOffsetCache.Uncached.offsetToXY(editor, endOffset)
     
       g.color = color
-      g.fillRect(start.x, start.y + 1, end.x - start.x, editor.lineHeight - 1)
-      
-      g.color = AceConfig.tagBackgroundColor
-      g.drawRect(start.x, start.y, end.x - start.x, editor.lineHeight)
+      g.fillRoundRect(start.x, start.y + 1, end.x - start.x, editor.lineHeight - 1, ARC, ARC)
     }
     
     private fun drawSingle(g: Graphics, editor: Editor, offset: Int, color: Color) {
@@ -121,10 +121,7 @@ internal class TextHighlighter(private val editor: Editor) {
       val lastCharWidth = editor.component.getFontMetrics(font).charWidth(char)
       
       g.color = color
-      g.fillRect(pos.x, pos.y + 1, lastCharWidth, editor.lineHeight - 1)
-      
-      g.color = AceConfig.tagBackgroundColor
-      g.drawRect(pos.x, pos.y, lastCharWidth, editor.lineHeight)
+      g.fillRoundRect(pos.x, pos.y + 1, lastCharWidth, editor.lineHeight - 1, ARC, ARC)
     }
   }
 }

src/main/resources/META-INF/plugin.xml

@@ -23,14 +23,12 @@
                          implementationClass="org.acejump.action.AceEditorAction$Reset"/>
     <editorActionHandler action="EditorBackSpace" order="first"
                          implementationClass="org.acejump.action.AceEditorAction$ClearSearch"/>
-    <editorActionHandler action="EditorEnter" order="first"
-                         implementationClass="org.acejump.action.AceEditorAction$TagImmediately"/>
     <editorActionHandler action="EditorUp" order="first"
-                         implementationClass="org.acejump.action.AceEditorAction$SearchLineStarts"/>
+                         implementationClass="org.acejump.action.AceEditorAction$SearchLineIndents"/>
     <editorActionHandler action="EditorLeft" order="first"
-                         implementationClass="org.acejump.action.AceEditorAction$SearchLineIndents"/>
+                         implementationClass="org.acejump.action.AceEditorAction$SearchLineStarts"/>
     <editorActionHandler action="EditorLineStart" order="first"
-                         implementationClass="org.acejump.action.AceEditorAction$SearchLineIndents"/>
+                         implementationClass="org.acejump.action.AceEditorAction$SearchLineStarts"/>
     <editorActionHandler action="EditorRight" order="first"
                          implementationClass="org.acejump.action.AceEditorAction$SearchLineEnds"/>
     <editorActionHandler action="EditorLineEnd" order="first"