Set plugin version to chylex-29

Fixes multiple cursors with vim-surround commands `cs, ds, S` (but not `ys`).

gradle.properties

@@ -14,7 +14,7 @@ ideaVersion=2023.3.3
 ideaType=IC
 downloadIdeaSources=true
 instrumentPluginCode=true
-version=chylex-1
+version=chylex-29
 javaVersion=17
 remoteRobotVersion=0.11.22
 antlrVersion=4.10.1

src/main/java/com/maddyhome/idea/vim/extension/matchit/Matchit.kt

@@ -233,7 +233,7 @@ private object FileTypePatterns {
     } else if (fileTypeName == "CMakeLists.txt" || fileName == "CMakeLists") {
       this.cMakePatterns
     } else {
-      return null
+      this.htmlPatterns
     }
   }
 

src/main/java/com/maddyhome/idea/vim/extension/nerdtree/NerdTree.kt

@@ -502,6 +502,13 @@ internal class NerdTree : VimExtension {
         }
       },
     )
+    
+    for (c in ('a'..'z') + ('A'..'Z')) {
+      val ks = KeyStroke.getKeyStroke(c)
+      if (ks !in actionsRoot) {
+        registerCommand(c.toString(), NerdAction.Code { _, _, _ -> })
+      }
+    }
   }
 
   object Util {

src/main/java/com/maddyhome/idea/vim/extension/surround/RepeatedCharSequence.kt

@@ -0,0 +1,30 @@
+package com.maddyhome.idea.vim.extension.surround
+
+import com.intellij.util.text.CharSequenceSubSequence
+
+internal data class RepeatedCharSequence(val text: CharSequence, val count: Int) : CharSequence {
+  override val length = text.length * count
+
+  override fun get(index: Int): Char {
+    if (index < 0 || index >= length) throw IndexOutOfBoundsException()
+    return text[index % text.length]
+  }
+
+  override fun subSequence(startIndex: Int, endIndex: Int): CharSequence {
+    return CharSequenceSubSequence(this, startIndex, endIndex)
+  }
+
+  override fun toString(): String {
+    return text.repeat(count)
+  }
+  
+  companion object {
+    fun of(text: CharSequence, count: Int): CharSequence {
+      return when (count) {
+        0 -> ""
+        1 -> text
+        else -> RepeatedCharSequence(text, count)
+      }
+    }
+  }
+}

src/main/java/com/maddyhome/idea/vim/extension/surround/VimSurroundExtension.kt

@@ -13,6 +13,7 @@ import com.intellij.openapi.editor.Editor
 import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.api.ExecutionContext
 import com.maddyhome.idea.vim.api.VimCaret
+import com.maddyhome.idea.vim.api.VimChangeGroup
 import com.maddyhome.idea.vim.api.VimEditor
 import com.maddyhome.idea.vim.api.endsWithNewLine
 import com.maddyhome.idea.vim.api.getLeadingCharacterOffset
@@ -33,13 +34,17 @@ import com.maddyhome.idea.vim.extension.VimExtensionFacade.putExtensionHandlerMa
 import com.maddyhome.idea.vim.extension.VimExtensionFacade.putKeyMappingIfMissing
 import com.maddyhome.idea.vim.extension.VimExtensionFacade.setRegisterForCaret
 import com.maddyhome.idea.vim.extension.exportOperatorFunction
+import com.maddyhome.idea.vim.helper.runWithEveryCaretAndRestore
 import com.maddyhome.idea.vim.key.OperatorFunction
+import com.maddyhome.idea.vim.newapi.IjVimCaret
+import com.maddyhome.idea.vim.newapi.IjVimEditor
 import com.maddyhome.idea.vim.newapi.ij
 import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.options.helpers.ClipboardOptionHelper
 import com.maddyhome.idea.vim.put.PutData
 import com.maddyhome.idea.vim.state.mode.Mode
 import com.maddyhome.idea.vim.state.mode.SelectionType
+import com.maddyhome.idea.vim.state.mode.mode
 import com.maddyhome.idea.vim.state.mode.selectionType
 import org.jetbrains.annotations.NonNls
 import java.awt.event.KeyEvent
@@ -76,7 +81,7 @@ internal class VimSurroundExtension : VimExtension {
       putKeyMappingIfMissing(MappingMode.XO, injector.parser.parseKeys("S"), owner, injector.parser.parseKeys("<Plug>VSurround"), true)
     }
 
-    VimExtensionFacade.exportOperatorFunction(OPERATOR_FUNC, Operator())
+    VimExtensionFacade.exportOperatorFunction(OPERATOR_FUNC, Operator(supportsMultipleCursors = false, count = 1)) // TODO
   }
 
   private class YSurroundHandler : ExtensionHandler {
@@ -104,7 +109,7 @@ internal class VimSurroundExtension : VimExtension {
         val lastNonWhiteSpaceOffset = getLastNonWhitespaceCharacterOffset(editor.text(), lineStartOffset, lineEndOffset)
         if (lastNonWhiteSpaceOffset != null) {
           val range = TextRange(lineStartOffset, lastNonWhiteSpaceOffset + 1)
-          performSurround(pair, range, it)
+          performSurround(pair, range, it, count = operatorArguments.count1)
         }
 //        it.moveToOffset(lineStartOffset)
       }
@@ -124,15 +129,13 @@ internal class VimSurroundExtension : VimExtension {
 
   private class VSurroundHandler : ExtensionHandler {
     override fun execute(editor: VimEditor, context: ExecutionContext, operatorArguments: OperatorArguments) {
-      val selectionStart = editor.ij.caretModel.primaryCaret.selectionStart
       // NB: Operator ignores SelectionType anyway
-      if (!Operator().apply(editor, context, editor.mode.selectionType)) {
+      if (!Operator(supportsMultipleCursors = true, count = operatorArguments.count1).apply(editor, context, editor.mode.selectionType)) {
         return
       }
       runWriteAction {
         // Leave visual mode
         executeNormalWithoutMapping(injector.parser.parseKeys("<Esc>"), editor.ij)
-        editor.ij.caretModel.moveToOffset(selectionStart)
       }
     }
   }
@@ -153,6 +156,10 @@ internal class VimSurroundExtension : VimExtension {
 
     companion object {
       fun change(editor: VimEditor, context: ExecutionContext, charFrom: Char, newSurround: Pair<String, String>?) {
+        editor.ij.runWithEveryCaretAndRestore { changeAtCaret(editor, context, charFrom, newSurround) }
+      }
+      
+      fun changeAtCaret(editor: VimEditor, context: ExecutionContext, charFrom: Char, newSurround: Pair<String, String>?) {
         // Save old register values for carets
         val surroundings = editor.sortedCarets()
           .map {
@@ -260,21 +267,42 @@ internal class VimSurroundExtension : VimExtension {
     }
   }
 
-  private class Operator : OperatorFunction {
-    override fun apply(editor: VimEditor, context: ExecutionContext, selectionType: SelectionType?): Boolean {
-      val ijEditor = editor.ij
-      val c = getChar(ijEditor)
+  private class Operator(private val supportsMultipleCursors: Boolean, private val count: Int) : OperatorFunction {
+    override fun apply(vimEditor: VimEditor, context: ExecutionContext, selectionType: SelectionType?): Boolean {
+      val editor = vimEditor.ij
+      val c = getChar(editor)
       if (c.code == 0) return true
 
-      val pair = getOrInputPair(c, ijEditor) ?: return false
-      // XXX: Will it work with line-wise or block-wise selections?
-      val range = getSurroundRange(editor.currentCaret()) ?: return false
-      performSurround(pair, range, editor.currentCaret(), selectionType == SelectionType.LINE_WISE)
+      val pair = getOrInputPair(c, editor) ?: return false
+
+      runWriteAction {
+        val change = VimPlugin.getChange()
+        if (supportsMultipleCursors) {
+          editor.runWithEveryCaretAndRestore {
+            applyOnce(editor, change, pair, count)
+          }
+        }
+        else {
+          applyOnce(editor, change, pair, count)
           // Jump back to start
-      executeNormalWithoutMapping(injector.parser.parseKeys("`["), ijEditor)
+          executeNormalWithoutMapping(injector.parser.parseKeys("`["), editor)
+        }
+      }
       return true
     }
     
+    private fun applyOnce(editor: Editor, change: VimChangeGroup, pair: Pair<String, String>, count: Int) {
+      // XXX: Will it work with line-wise or block-wise selections?
+      val primaryCaret = editor.caretModel.primaryCaret
+      val range = getSurroundRange(primaryCaret.vim)
+      if (range != null) {
+        val start = RepeatedCharSequence.of(pair.first, count)
+        val end = RepeatedCharSequence.of(pair.second, count)
+        change.insertText(IjVimEditor(editor), IjVimCaret(primaryCaret), range.startOffset, start)
+        change.insertText(IjVimEditor(editor), IjVimCaret(primaryCaret), range.endOffset + start.length, end)
+      }
+    }
+
     private fun getSurroundRange(caret: VimCaret): TextRange? {
       val editor = caret.editor
       val ijEditor = editor.ij
@@ -359,15 +387,15 @@ private fun getChar(editor: Editor): Char {
   return res
 }
 
-private fun performSurround(pair: Pair<String, String>, range: TextRange, caret: VimCaret, tagsOnNewLines: Boolean = false) {
+private fun performSurround(pair: Pair<String, String>, range: TextRange, caret: VimCaret, count: Int, tagsOnNewLines: Boolean = false) {
   runWriteAction {
     val editor = caret.editor
     val change = VimPlugin.getChange()
-    val leftSurround = pair.first + if (tagsOnNewLines) "\n" else ""
+    val leftSurround = RepeatedCharSequence.of(pair.first + if (tagsOnNewLines) "\n" else "", count)
 
     val isEOF = range.endOffset == editor.text().length
     val hasNewLine = editor.endsWithNewLine()
-    val rightSurround = if (tagsOnNewLines) {
+    val rightSurround = (if (tagsOnNewLines) {
       if (isEOF && !hasNewLine) {
         "\n" + pair.second
       } else {
@@ -375,7 +403,7 @@ private fun performSurround(pair: Pair<String, String>, range: TextRange, caret:
       }
     } else {
       pair.second
-    }
+    }).let { RepeatedCharSequence.of(it, count) }
 
     change.insertText(editor, caret, range.startOffset, leftSurround)
     change.insertText(editor, caret, range.endOffset + leftSurround.length, rightSurround)

src/main/java/com/maddyhome/idea/vim/group/ChangeGroup.kt

@@ -79,7 +79,6 @@ import java.math.BigInteger
 import java.util.*
 import java.util.function.Consumer
 import kotlin.math.max
-import kotlin.math.min
 
 /**
  * Provides all the insert/replace related functionality
@@ -396,6 +395,7 @@ public class ChangeGroup : VimChangeGroupBase() {
     context: ExecutionContext,
     range: TextRange,
   ) {
+    val startPos = editor.offsetToBufferPosition(caret.offset.point)
     val startOffset = editor.getLineStartForOffset(range.startOffset)
     val endOffset = editor.getLineEndForOffset(range.endOffset)
     val ijEditor = (editor as IjVimEditor).editor
@@ -420,11 +420,7 @@ public class ChangeGroup : VimChangeGroupBase() {
       }
     }
     val afterAction = {
-      val firstLine = editor.offsetToBufferPosition(
-        min(startOffset.toDouble(), endOffset.toDouble()).toInt()
-      ).line
-      val newOffset = injector.motion.moveCaretToLineStartSkipLeading(editor, firstLine)
-      caret.moveToOffset(newOffset)
+      caret.moveToOffset(injector.motion.moveCaretToLineStartSkipLeading(editor, startPos.line))
       restoreCursor(editor, caret, (caret as IjVimCaret).caret.logicalPosition.line)
     }
     if (project != null) {

src/main/java/com/maddyhome/idea/vim/group/IjOptions.kt

@@ -85,7 +85,7 @@ public object IjOptions {
   public val closenotebooks: ToggleOption = addOption(ToggleOption("closenotebooks", GLOBAL, "closenotebooks", true, isHidden = true))
   public val commandOrMotionAnnotation: ToggleOption = addOption(ToggleOption("commandormotionannotation", GLOBAL, "commandormotionannotation", true, isHidden = true))
   public val exCommandAnnotation: ToggleOption = addOption(ToggleOption("excommandannotation", GLOBAL, "excommandannotation", true, isHidden = true))
-  public val oldundo: ToggleOption = addOption(ToggleOption("oldundo", GLOBAL, "oldundo", false, isHidden = true))
+  public val oldundo: ToggleOption = addOption(ToggleOption("oldundo", GLOBAL, "oldundo", true, isHidden = true))
   public val unifyjumps: ToggleOption = addOption(ToggleOption("unifyjumps", GLOBAL, "unifyjumps", true, isHidden = true))
   public val useNewRegex: ToggleOption = addOption(ToggleOption("usenewregex", GLOBAL, "usenewregex", true, isHidden = true))
   public val vimscriptFunctionAnnotation: ToggleOption = addOption(ToggleOption("vimscriptfunctionannotation", GLOBAL, "vimscriptfunctionannotation", true, isHidden = true))

src/main/java/com/maddyhome/idea/vim/group/MacroAutoImport.kt

@@ -0,0 +1,68 @@
+package com.maddyhome.idea.vim.group
+
+import com.intellij.codeInsight.daemon.ReferenceImporter
+import com.intellij.openapi.actionSystem.CommonDataKeys
+import com.intellij.openapi.actionSystem.DataContext
+import com.intellij.openapi.application.ApplicationManager
+import com.intellij.openapi.application.ReadAction
+import com.intellij.openapi.command.WriteCommandAction
+import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.fileEditor.FileDocumentManager
+import com.intellij.openapi.progress.ProgressIndicator
+import com.intellij.openapi.progress.ProgressManager
+import com.intellij.openapi.progress.Task
+import com.intellij.psi.PsiDocumentManager
+import com.intellij.psi.PsiElement
+import com.intellij.psi.PsiRecursiveElementWalkingVisitor
+import java.util.function.BooleanSupplier
+
+internal object MacroAutoImport {
+  fun run(editor: Editor, dataContext: DataContext) {
+    val project = CommonDataKeys.PROJECT.getData(dataContext) ?: return
+    val file = PsiDocumentManager.getInstance(project).getPsiFile(editor.document) ?: return
+
+    if (!FileDocumentManager.getInstance().requestWriting(editor.document, project)) {
+      return
+    }
+
+    val importers = ReferenceImporter.EP_NAME.extensionList
+    if (importers.isEmpty()) {
+      return
+    }
+
+    ProgressManager.getInstance().run(object : Task.Backgroundable(project, "Auto import", true) {
+      override fun run(indicator: ProgressIndicator) {
+        val fixes = ReadAction.nonBlocking<List<BooleanSupplier>> {
+          val fixes = mutableListOf<BooleanSupplier>()
+
+          file.accept(object : PsiRecursiveElementWalkingVisitor() {
+            override fun visitElement(element: PsiElement) {
+              for (reference in element.references) {
+                if (reference.resolve() != null) {
+                  continue
+                }
+                for (importer in importers) {
+                  importer.computeAutoImportAtOffset(editor, file, element.textRange.startOffset, true)
+                    ?.let(fixes::add)
+                }
+              }
+              super.visitElement(element)
+            }
+          })
+
+          return@nonBlocking fixes
+        }.executeSynchronously()
+
+        ApplicationManager.getApplication().invokeAndWait {
+          WriteCommandAction.writeCommandAction(project)
+            .withName("Auto Import")
+            .withGroupId("IdeaVimAutoImportAfterMacro")
+            .shouldRecordActionForActiveDocument(true)
+            .run<RuntimeException> {
+              fixes.forEach { it.asBoolean }
+            }
+        }
+      }
+    })
+  }
+}

src/main/java/com/maddyhome/idea/vim/group/MacroGroup.kt

@@ -22,6 +22,7 @@ import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.helper.MessageHelper.message
 import com.maddyhome.idea.vim.macro.VimMacroBase
 import com.maddyhome.idea.vim.newapi.IjVimEditor
+import com.maddyhome.idea.vim.newapi.ij
 
 /**
  * Used to handle playback of macros
@@ -93,6 +94,9 @@ internal class MacroGroup : VimMacroBase() {
         } finally {
           keyStack.removeFirst()
         }
+        if (!isInternalMacro) {
+          MacroAutoImport.run(editor.ij, context.ij)
+        }
       }
 
       if (isInternalMacro) {

src/main/java/com/maddyhome/idea/vim/group/SearchGroup.java

@@ -210,8 +210,8 @@ public class SearchGroup extends IjVimSearchGroup implements PersistentStateComp
    * @param patternOffset   The pattern offset, e.g. `/{pattern}/{offset}`
    * @param direction       The direction to search
    */
-  @TestOnly
-  public void setLastSearchState(@SuppressWarnings("unused") @NotNull Editor editor, @NotNull String pattern,
+  @Override
+  public void setLastSearchState(@SuppressWarnings("unused") @NotNull VimEditor editor, @NotNull String pattern,
                                  @NotNull String patternOffset, Direction direction) {
     if (globalIjOptions(injector).getUseNewRegex()) {
       super.setLastSearchState(pattern, patternOffset, direction);

src/main/java/com/maddyhome/idea/vim/helper/EditorHelper.java

@@ -326,7 +326,7 @@ public class EditorHelper {
 
     final int offset = y - ((screenHeight - lineHeight) / lineHeight / 2 * lineHeight);
     @NotNull final VimEditor editor1 = new IjVimEditor(editor);
-    final int lastVisualLine = EngineEditorHelperKt.getVisualLineCount(editor1) - 1;
+    final int lastVisualLine = EngineEditorHelperKt.getVisualLineCount(editor1) + editor.getSettings().getAdditionalLinesCount();
     final int offsetForLastLineAtBottom = getOffsetToScrollVisualLineToBottomOfScreen(editor, lastVisualLine);
 
     // For `zz`, we want to use virtual space and move any line, including the last one, to the middle of the screen.

src/main/java/com/maddyhome/idea/vim/helper/EditorHelper.kt

@@ -12,6 +12,7 @@ package com.maddyhome.idea.vim.helper
 
 import com.intellij.codeWithMe.ClientId
 import com.intellij.openapi.editor.Caret
+import com.intellij.openapi.editor.CaretState
 import com.intellij.openapi.editor.Editor
 import com.intellij.openapi.editor.ex.util.EditorUtil
 import com.intellij.openapi.fileEditor.ex.FileEditorManagerEx
@@ -20,6 +21,8 @@ import com.maddyhome.idea.vim.api.StringListOptionValue
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.group.IjOptionConstants
 import com.maddyhome.idea.vim.newapi.globalIjOptions
+import com.maddyhome.idea.vim.newapi.vim
+import com.maddyhome.idea.vim.state.mode.inBlockSelection
 import java.awt.Component
 import javax.swing.JComponent
 import javax.swing.JTable
@@ -96,3 +99,41 @@ internal val Caret.vimLine: Int
  */
 internal val Editor.vimLine: Int
   get() = this.caretModel.currentCaret.vimLine
+
+internal inline fun Editor.runWithEveryCaretAndRestore(action: () -> Unit) {
+  val caretModel = this.caretModel
+  val carets = if (this.vim.inBlockSelection) null else caretModel.allCarets
+  if (carets == null || carets.size == 1) {
+    action()
+  }
+  else {
+    var initialDocumentSize = this.document.textLength
+    var documentSizeDifference = 0
+
+    val caretOffsets = carets.map { it.selectionStart to it.selectionEnd }
+    val restoredCarets = mutableListOf<CaretState>()
+
+    caretModel.removeSecondaryCarets()
+    
+    for ((selectionStart, selectionEnd) in caretOffsets) {
+      if (selectionStart == selectionEnd) {
+        caretModel.primaryCaret.moveToOffset(selectionStart + documentSizeDifference)
+      }
+      else {
+        caretModel.primaryCaret.setSelection(
+          selectionStart + documentSizeDifference,
+          selectionEnd + documentSizeDifference
+        )
+      }
+      
+      action()
+      restoredCarets.add(caretModel.caretsAndSelections.single())
+
+      val documentLength = this.document.textLength
+      documentSizeDifference += documentLength - initialDocumentSize
+      initialDocumentSize = documentLength
+    }
+
+    caretModel.caretsAndSelections = restoredCarets
+  } 
+}

src/main/java/com/maddyhome/idea/vim/helper/ScrollViewHelper.kt

@@ -56,7 +56,7 @@ internal object ScrollViewHelper {
     // that this needs to be replaced as a more or less dumb line for line rewrite.
     val topLine = getVisualLineAtTopOfScreen(editor)
     val bottomLine = getVisualLineAtBottomOfScreen(editor)
-    val lastLine = vimEditor.getVisualLineCount() - 1
+    val lastLine = vimEditor.getVisualLineCount() + editor.settings.additionalLinesCount
 
     // We need the non-normalised value here, so we can handle cases such as so=999 to keep the current line centred
     val scrollOffset = injector.options(vimEditor).scrolloff

src/main/java/com/maddyhome/idea/vim/helper/UndoRedoHelper.kt

@@ -14,6 +14,7 @@ import com.intellij.openapi.command.CommandProcessor
 import com.intellij.openapi.command.undo.UndoManager
 import com.intellij.openapi.components.Service
 import com.intellij.openapi.fileEditor.impl.text.TextEditorProvider
+import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.api.ExecutionContext
 import com.maddyhome.idea.vim.api.VimEditor
 import com.maddyhome.idea.vim.api.injector
@@ -21,6 +22,8 @@ import com.maddyhome.idea.vim.common.ChangesListener
 import com.maddyhome.idea.vim.listener.SelectionVimListenerSuppressor
 import com.maddyhome.idea.vim.newapi.globalIjOptions
 import com.maddyhome.idea.vim.newapi.ij
+import com.maddyhome.idea.vim.state.mode.SelectionType
+import com.maddyhome.idea.vim.state.mode.inVisualMode
 import com.maddyhome.idea.vim.undo.UndoRedoBase
 
 /**
@@ -39,6 +42,7 @@ internal class UndoRedoHelper : UndoRedoBase() {
 
       if (injector.globalIjOptions().oldundo) {
         SelectionVimListenerSuppressor.lock().use { undoManager.undo(fileEditor) }
+        restoreVisualMode(editor)
       } else {
         // TODO refactor me after VIM-308 when restoring selection and caret movement will be ignored by undo
         editor.runWithChangeTracking {
@@ -74,6 +78,7 @@ internal class UndoRedoHelper : UndoRedoBase() {
     if (undoManager.isRedoAvailable(fileEditor)) {
       if (injector.globalIjOptions().oldundo) {
         SelectionVimListenerSuppressor.lock().use { undoManager.redo(fileEditor) }
+        restoreVisualMode(editor)
       } else {
         undoManager.redo(fileEditor)
         CommandProcessor.getInstance().runUndoTransparentAction {
@@ -131,4 +136,21 @@ internal class UndoRedoHelper : UndoRedoBase() {
     val hasChanges: Boolean
       get() = changeListener.hasChanged || initialPath != editor.getPath()
   }
+
+  private fun restoreVisualMode(editor: VimEditor) {
+    if (!editor.inVisualMode && editor.getSelectionModel().hasSelection()) {
+      val detectedMode = VimPlugin.getVisualMotion().autodetectVisualSubmode(editor)
+      
+      // Visual block selection is restored into multiple carets, so multi-carets that form a block are always
+      // identified as visual block mode, leading to false positives.
+      // Since I use visual block mode much less often than multi-carets, this is a judgment call to never restore
+      // visual block mode.
+      val wantedMode = if (detectedMode == SelectionType.BLOCK_WISE)
+        SelectionType.CHARACTER_WISE
+      else
+        detectedMode
+      
+      VimPlugin.getVisualMotion().enterVisualMode(editor, wantedMode)
+    }
+  }
 }

src/main/java/com/maddyhome/idea/vim/listener/IdeaSpecifics.kt

@@ -27,6 +27,7 @@ import com.intellij.openapi.actionSystem.CommonDataKeys
 import com.intellij.openapi.actionSystem.ex.AnActionListener
 import com.intellij.openapi.actionSystem.impl.ProxyShortcutSet
 import com.intellij.openapi.editor.Editor
+import com.intellij.openapi.editor.impl.ScrollingModelImpl
 import com.intellij.openapi.project.DumbAwareToggleAction
 import com.intellij.openapi.util.TextRange
 import com.maddyhome.idea.vim.KeyHandler
@@ -56,6 +57,7 @@ internal object IdeaSpecifics {
     private val surrounderAction =
       "com.intellij.codeInsight.generation.surroundWith.SurroundWithHandler\$InvokeSurrounderAction"
     private var editor: Editor? = null
+    private var caretOffset = -1
     private var completionPrevDocumentLength: Int? = null
     private var completionPrevDocumentOffset: Int? = null
     override fun beforeActionPerformed(action: AnAction, event: AnActionEvent) {
@@ -64,6 +66,7 @@ internal object IdeaSpecifics {
       val hostEditor = event.dataContext.getData(CommonDataKeys.HOST_EDITOR)
       if (hostEditor != null) {
         editor = hostEditor
+        caretOffset = hostEditor.caretModel.offset
       }
 
       val isVimAction = (action as? AnActionWrapper)?.delegate is VimShortcutKeyAction
@@ -95,7 +98,8 @@ internal object IdeaSpecifics {
       if (VimPlugin.isNotEnabled()) return
 
       val editor = editor
-      if (editor != null && action is ChooseItemAction && injector.registerGroup.isRecording) {
+      if (editor != null) {
+        if (action is ChooseItemAction && injector.registerGroup.isRecording) {
           val prevDocumentLength = completionPrevDocumentLength
           val prevDocumentOffset = completionPrevDocumentOffset
 
@@ -131,7 +135,21 @@ internal object IdeaSpecifics {
         }
         //endregion
 
+        if (caretOffset != -1 && caretOffset != editor.caretModel.offset) {
+          val scrollModel = editor.scrollingModel as ScrollingModelImpl
+          if (scrollModel.isScrollingNow) {
+            val v = scrollModel.verticalScrollOffset
+            val h = scrollModel.horizontalScrollOffset
+            scrollModel.finishAnimation()
+            scrollModel.scroll(h, v)
+            scrollModel.finishAnimation()
+          }
+          injector.scroll.scrollCaretIntoView(editor.vim)
+        }
+      }
+
       this.editor = null
+      this.caretOffset = -1
     }
   }
 

src/main/java/com/maddyhome/idea/vim/listener/VimListenerManager.kt

@@ -91,6 +91,8 @@ import com.maddyhome.idea.vim.helper.vimDisabled
 import com.maddyhome.idea.vim.newapi.IjVimEditor
 import com.maddyhome.idea.vim.newapi.ij
 import com.maddyhome.idea.vim.newapi.vim
+import com.maddyhome.idea.vim.state.VimStateMachine
+import com.maddyhome.idea.vim.state.mode.Mode
 import com.maddyhome.idea.vim.state.mode.inSelectMode
 import com.maddyhome.idea.vim.state.mode.selectionType
 import com.maddyhome.idea.vim.ui.ShowCmdOptionChangeListener
@@ -358,6 +360,15 @@ internal object VimListenerManager {
       // We can't rely on being passed a non-null editor, so check for Code With Me scenarios explicitly
       if (VimPlugin.isNotEnabled() || !ClientId.isCurrentlyUnderLocalId) return
       
+      val newEditor = event.newEditor
+      if (newEditor is TextEditor) {
+        val editor = newEditor.editor
+        if (editor.isInsertMode) {
+          VimStateMachine.getInstance(editor).mode = Mode.NORMAL()
+          KeyHandler.getInstance().reset(editor.vim)
+        }
+      }
+      
       MotionGroup.fileEditorManagerSelectionChangedCallback(event)
       FileGroup.fileEditorManagerSelectionChangedCallback(event)
       VimPlugin.getSearch().fileEditorManagerSelectionChangedCallback(event)

src/main/java/com/maddyhome/idea/vim/newapi/IjVimSearchGroup.kt

@@ -32,7 +32,7 @@ import com.maddyhome.idea.vim.vimscript.parser.VimscriptParser.parseExpression
 import org.jetbrains.annotations.TestOnly
 import javax.swing.KeyStroke
 
-public open class IjVimSearchGroup : VimSearchGroupBase() {
+public abstract class IjVimSearchGroup : VimSearchGroupBase() {
 
   init {
     // TODO: Investigate migrating these listeners to use the effective value change listener

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

@@ -151,5 +151,6 @@
     </group>
 
     <action id="VimFindActionIdAction" class="com.maddyhome.idea.vim.listener.FindActionIdAction"/>
+    <action id="VimJumpToSource" class="com.intellij.diff.actions.impl.OpenInEditorAction" />
   </actions>
 </idea-plugin>

src/test/java/org/jetbrains/plugins/ideavim/action/motion/gn/GnNextTextObjectTest.kt

@@ -13,6 +13,7 @@ package org.jetbrains.plugins.ideavim.action.motion.gn
 import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.common.Direction
+import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.state.mode.Mode
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
 import org.jetbrains.plugins.ideavim.TestWithoutNeovim
@@ -85,7 +86,7 @@ class GnNextTextObjectTest : VimTestCase() {
 
   private fun doTestWithSearch(keys: List<KeyStroke>, before: String, after: String) {
     configureByText(before)
-    VimPlugin.getSearch().setLastSearchState(fixture.editor, "test", "", Direction.FORWARDS)
+    VimPlugin.getSearch().setLastSearchState(fixture.editor.vim, "test", "", Direction.FORWARDS)
     typeText(keys)
     assertState(after)
     assertState(Mode.NORMAL())

src/test/java/org/jetbrains/plugins/ideavim/action/motion/gn/GnPreviousTextObjectTest.kt

@@ -13,6 +13,7 @@ package org.jetbrains.plugins.ideavim.action.motion.gn
 import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.common.Direction
+import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.state.mode.Mode
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
 import org.jetbrains.plugins.ideavim.TestWithoutNeovim
@@ -63,7 +64,7 @@ class GnPreviousTextObjectTest : VimTestCase() {
 
   private fun doTestWithSearch(keys: List<KeyStroke>, before: String, after: String) {
     configureByText(before)
-    VimPlugin.getSearch().setLastSearchState(fixture.editor, "test", "", Direction.FORWARDS)
+    VimPlugin.getSearch().setLastSearchState(fixture.editor.vim, "test", "", Direction.FORWARDS)
     typeText(keys)
     assertState(after)
     assertState(Mode.NORMAL())

src/test/java/org/jetbrains/plugins/ideavim/action/motion/gn/VisualSelectNextSearchTest.kt

@@ -12,6 +12,7 @@ import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.action.motion.search.SearchWholeWordForwardAction
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.common.Direction
+import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.state.mode.Mode
 import com.maddyhome.idea.vim.state.mode.SelectionType
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
@@ -57,7 +58,7 @@ class VisualSelectNextSearchTest : VimTestCase() {
   @Test
   fun testWithoutSpaces() {
     configureByText("test<caret>test")
-    VimPlugin.getSearch().setLastSearchState(fixture.editor, "test", "", Direction.FORWARDS)
+    VimPlugin.getSearch().setLastSearchState(fixture.editor.vim, "test", "", Direction.FORWARDS)
     typeText(injector.parser.parseKeys("gn"))
     assertOffset(7)
     assertSelection("test")

src/test/java/org/jetbrains/plugins/ideavim/action/motion/gn/VisualSelectPreviousSearchTest.kt

@@ -12,6 +12,7 @@ import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.action.motion.search.SearchWholeWordForwardAction
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.common.Direction
+import com.maddyhome.idea.vim.newapi.vim
 import com.maddyhome.idea.vim.state.mode.Mode
 import com.maddyhome.idea.vim.state.mode.SelectionType
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
@@ -54,7 +55,7 @@ class VisualSelectPreviousSearchTest : VimTestCase() {
   @Test
   fun testWithoutSpaces() {
     configureByText("tes<caret>ttest")
-    VimPlugin.getSearch().setLastSearchState(fixture.editor, "test", "", Direction.FORWARDS)
+    VimPlugin.getSearch().setLastSearchState(fixture.editor.vim, "test", "", Direction.FORWARDS)
     typeText(injector.parser.parseKeys("gN"))
     assertOffset(0)
     assertSelection("test")

src/test/java/org/jetbrains/plugins/ideavim/action/motion/search/SearchAgainPreviousActionTest.kt

@@ -10,6 +10,7 @@ package org.jetbrains.plugins.ideavim.action.motion.search
 
 import com.maddyhome.idea.vim.VimPlugin
 import com.maddyhome.idea.vim.common.Direction
+import com.maddyhome.idea.vim.newapi.vim
 import org.jetbrains.plugins.ideavim.SkipNeovimReason
 import org.jetbrains.plugins.ideavim.TestWithoutNeovim
 import org.jetbrains.plugins.ideavim.VimTestCase
@@ -167,7 +168,7 @@ class SearchAgainPreviousActionTest : VimTestCase() {
 
   private fun doTestWithSearch(keys: String, before: String, after: String) {
     doTest(keys, before, after) {
-      VimPlugin.getSearch().setLastSearchState(it, "all", "", Direction.FORWARDS)
+      VimPlugin.getSearch().setLastSearchState(it.vim, "all", "", Direction.FORWARDS)
     }
   }
 }

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/change/RedoAction.kt

@@ -16,7 +16,7 @@ import com.maddyhome.idea.vim.command.Command
 import com.maddyhome.idea.vim.command.OperatorArguments
 import com.maddyhome.idea.vim.handler.VimActionHandler
 
-@CommandOrMotion(keys = ["<C-R>"], modes = [Mode.NORMAL])
+@CommandOrMotion(keys = ["U", "<C-R>"], modes = [Mode.NORMAL, Mode.VISUAL])
 public class RedoAction : VimActionHandler.SingleExecution() {
   override val type: Command.Type = Command.Type.OTHER_SELF_SYNCHRONIZED
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/change/UndoAction.kt

@@ -16,7 +16,7 @@ import com.maddyhome.idea.vim.command.Command
 import com.maddyhome.idea.vim.command.OperatorArguments
 import com.maddyhome.idea.vim.handler.VimActionHandler
 
-@CommandOrMotion(keys = ["u", "<Undo>"], modes = [Mode.NORMAL])
+@CommandOrMotion(keys = ["u", "<Undo>"], modes = [Mode.NORMAL, Mode.VISUAL])
 public class UndoAction : VimActionHandler.SingleExecution() {
   override val type: Command.Type = Command.Type.OTHER_SELF_SYNCHRONIZED
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/change/change/ChangeCaseLowerVisualAction.kt

@@ -8,7 +8,6 @@
 package com.maddyhome.idea.vim.action.change.change
 
 import com.intellij.vim.annotations.CommandOrMotion
-import com.intellij.vim.annotations.Mode
 import com.maddyhome.idea.vim.api.ExecutionContext
 import com.maddyhome.idea.vim.api.VimCaret
 import com.maddyhome.idea.vim.api.VimEditor
@@ -22,7 +21,7 @@ import com.maddyhome.idea.vim.helper.CharacterHelper
 /**
  * @author vlan
  */
-@CommandOrMotion(keys = ["u"], modes = [Mode.VISUAL])
+@CommandOrMotion(keys = [], modes = [])
 public class ChangeCaseLowerVisualAction : VisualOperatorActionHandler.ForEachCaret() {
   override val type: Command.Type = Command.Type.CHANGE
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/change/change/ChangeCaseUpperVisualAction.kt

@@ -8,7 +8,6 @@
 package com.maddyhome.idea.vim.action.change.change
 
 import com.intellij.vim.annotations.CommandOrMotion
-import com.intellij.vim.annotations.Mode
 import com.maddyhome.idea.vim.api.ExecutionContext
 import com.maddyhome.idea.vim.api.VimCaret
 import com.maddyhome.idea.vim.api.VimEditor
@@ -22,7 +21,7 @@ import com.maddyhome.idea.vim.helper.CharacterHelper
 /**
  * @author vlan
  */
-@CommandOrMotion(keys = ["U"], modes = [Mode.VISUAL])
+@CommandOrMotion(keys = [], modes = [])
 public class ChangeCaseUpperVisualAction : VisualOperatorActionHandler.ForEachCaret() {
   override val type: Command.Type = Command.Type.CHANGE
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/change/change/FilterVisualLinesAction.kt

@@ -30,6 +30,7 @@ public class FilterVisualLinesAction : VimActionHandler.SingleExecution() {
   override val flags: EnumSet<CommandFlags> = enumSetOf(CommandFlags.FLAG_MOT_LINEWISE)
 
   override fun execute(editor: VimEditor, context: ExecutionContext, cmd: Command, operatorArguments: OperatorArguments): Boolean {
+    injector.markService.setVisualSelectionMarks(editor)
     injector.processGroup.startFilterCommand(editor, context, cmd)
     editor.exitVisualMode()
     return true

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/action/motion/leftright/TillCharacterMotion.kt

@@ -82,6 +82,13 @@ public sealed class TillCharacterMotion(
       )
     }
     injector.motion.setLastFTCmd(tillCharacterMotionType, argument.character)
+    
+    val offset = if (!finishBeforeCharacter) ""
+    else if (direction == Direction.FORWARDS) "s-1"
+    else "s+1"
+    
+    injector.searchGroup.setLastSearchState(editor, argument.character.let { if (it == '.') "\\." else it.toString() }, offset, direction)
+    
     return res.toMotionOrError()
   }
 }

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/api/VimChangeGroup.kt

@@ -146,7 +146,7 @@ public interface VimChangeGroup {
     operatorArguments: OperatorArguments,
   )
 
-  public fun insertText(editor: VimEditor, caret: VimCaret, offset: Int, str: String): VimCaret
+  public fun insertText(editor: VimEditor, caret: VimCaret, offset: Int, str: CharSequence): VimCaret
 
   public fun insertText(editor: VimEditor, caret: VimCaret, str: String): VimCaret
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/api/VimChangeGroupBase.kt

@@ -203,7 +203,7 @@ public abstract class VimChangeGroupBase : VimChangeGroup {
    * @param caret  The caret to start insertion in
    * @param str    The text to insert
    */
-  override fun insertText(editor: VimEditor, caret: VimCaret, offset: Int, str: String): VimCaret {
+  override fun insertText(editor: VimEditor, caret: VimCaret, offset: Int, str: CharSequence): VimCaret {
     (editor as MutableVimEditor).insertText(Offset(offset), str)
     val newCaret = caret.moveToInlayAwareOffset(offset + str.length)
 

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/api/VimSearchGroup.kt

@@ -25,7 +25,7 @@ public interface VimSearchGroup {
    * Last used pattern to perform a substitution.
    */
   public var lastSubstitutePattern: String?
-
+  public fun setLastSearchState(editor: VimEditor, pattern: String, patternOffset: String, direction: Direction?)
   public fun searchBackward(editor: VimEditor, offset: Int, count: Int): TextRange?
 
   /**

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/key/MappingInfo.kt

@@ -26,6 +26,7 @@ import com.maddyhome.idea.vim.extension.ExtensionHandler
 import com.maddyhome.idea.vim.group.visual.VimSelection
 import com.maddyhome.idea.vim.group.visual.VimSelection.Companion.create
 import com.maddyhome.idea.vim.helper.VimNlsSafe
+import com.maddyhome.idea.vim.helper.vimStateMachine
 import com.maddyhome.idea.vim.state.KeyHandlerState
 import com.maddyhome.idea.vim.state.VimStateMachine
 import com.maddyhome.idea.vim.state.mode.Mode
@@ -258,8 +259,13 @@ public class ToActionMappingInfo(
     LOG.debug("Executing 'ToAction' mapping...")
     val editorDataContext = injector.executionContextManager.onEditor(editor, context)
     val dataContext = injector.executionContextManager.onCaret(editor.currentCaret(), editorDataContext)
+
+    val commandBuilder = editor.vimStateMachine.commandBuilder
+    for (i in 0 until commandBuilder.count.coerceAtLeast(1)) {
       injector.actionExecutor.executeAction(action, dataContext)
     }
+    commandBuilder.resetCount()
+  }
 
   public companion object {
     private val LOG = vimLogger<ToActionMappingInfo>()

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/state/VimStateMachine.kt

@@ -33,7 +33,7 @@ public interface VimStateMachine {
   @Deprecated("Please use KeyHandlerState instead")
   public val digraphSequence: DigraphSequence
 
-  public val mode: Mode
+  public var mode: Mode
   public var isDotRepeatInProgress: Boolean
   public var isRegisterPending: Boolean
   public val isReplaceCharacter: Boolean

vim-engine/src/main/kotlin/com/maddyhome/idea/vim/vimscript/model/commands/MoveTextCommand.kt

@@ -19,7 +19,6 @@ import com.maddyhome.idea.vim.api.VimMarkService
 import com.maddyhome.idea.vim.api.getText
 import com.maddyhome.idea.vim.api.injector
 import com.maddyhome.idea.vim.command.OperatorArguments
-import com.maddyhome.idea.vim.state.mode.SelectionType
 import com.maddyhome.idea.vim.common.TextRange
 import com.maddyhome.idea.vim.ex.ExException
 import com.maddyhome.idea.vim.ex.InvalidRangeException
@@ -29,6 +28,7 @@ import com.maddyhome.idea.vim.helper.Msg
 import com.maddyhome.idea.vim.mark.Mark
 import com.maddyhome.idea.vim.mark.VimMark
 import com.maddyhome.idea.vim.put.PutData
+import com.maddyhome.idea.vim.state.mode.SelectionType
 import com.maddyhome.idea.vim.vimscript.model.ExecutionResult
 import kotlin.math.min
 
@@ -49,23 +49,14 @@ public data class MoveTextCommand(val ranges: Ranges, val argument: String) : Co
     val caretPosition = caret.getBufferPosition()
 
     val goToLineCommand = injector.vimscriptParser.parseCommand(argument) ?: throw ExException("E16: Invalid range")
-
-    val range = getTextRange(editor, caret, false)
-
-    /*
-    FIXME: see VIM-2884. It's absolutely not the best way to resolve this bug
-     */
-    caret.moveToOffset(range.startOffset)
-
     val lineRange = getLineRange(editor, caret)
+
     val line = min(editor.fileSize().toInt(), normalizeLine(editor, caret, goToLineCommand, lineRange))
-    val linesMoved = lineRange.endLine - lineRange.startLine + 1
-    if (line < -1 || line + linesMoved >= editor.lineCount()) {
-      caret.moveToBufferPosition(caretPosition)
-      throw ExException("E16: Invalid range")
-    }
+    val range = getTextRange(editor, caret, false)
     val shift = line + 1 - editor.offsetToBufferPosition(range.startOffset).line
 
+    val text = editor.getText(range)
+
     val localMarks = injector.markService.getAllLocalMarks(caret)
       .filter { range.contains(it.offset(editor)) }
       .filter { it.key != VimMarkService.SELECTION_START_MARK && it.key != VimMarkService.SELECTION_END_MARK }
@@ -78,33 +69,24 @@ public data class MoveTextCommand(val ranges: Ranges, val argument: String) : Co
     val selectionStartOffset = lastSelectionInfo.start?.let { editor.bufferPositionToOffset(it) }
     val selectionEndOffset = lastSelectionInfo.end?.let { editor.bufferPositionToOffset(it) }
 
-    val text = editor.getText(range)
-    val textData = PutData.TextData(text, SelectionType.LINE_WISE, emptyList(), null)
-
-    val dropNewLineInEnd = (line + linesMoved == editor.lineCount() - 1 && text.last() == '\n') ||
-      (lineRange.endLine == editor.lineCount() - 1)
-
     editor.deleteString(range)
-    val putData = if (line == -1) {
-      caret.moveToOffset(0)
-      PutData(textData, null, 1, insertTextBeforeCaret = true, rawIndent = true, caretAfterInsertedText = false)
-    } else {
-      PutData(textData, null, 1, insertTextBeforeCaret = false, rawIndent = true, caretAfterInsertedText = false, putToLine = line)
-    }
-    injector.put.putTextForCaret(editor, caret, context, putData)
 
-    if (dropNewLineInEnd) {
-      assert(editor.text().last() == '\n')
-      editor.deleteString(TextRange(editor.text().length - 1, editor.text().length))
-    }
+    val textData = PutData.TextData(text, SelectionType.LINE_WISE, emptyList(), null)
+    val putData = PutData(
+      textData,
+      null,
+      1,
+      insertTextBeforeCaret = false,
+      rawIndent = true,
+      caretAfterInsertedText = false,
+      putToLine = line
+    )
+    injector.put.putTextForCaret(editor, caret, context, putData)
 
     globalMarks.forEach { shiftGlobalMark(editor, it, shift) }
     localMarks.forEach { shiftLocalMark(caret, it, shift) }
     shiftSelectionInfo(caret, selectionStartOffset, selectionEndOffset, lastSelectionInfo, shift, range)
 
-    val newCaretPosition = shiftBufferPosition(caretPosition, shift)
-    caret.moveToBufferPosition(newCaretPosition)
-
     return ExecutionResult.Success
   }