Fixes #1360

src/actions/actions.ts

@@ -6576,6 +6576,7 @@ class ActionOverrideCmdD extends BaseCommand {
   runsOnceForEachCountPrefix = true;
 
   public async exec(position: Position, vimState: VimState): Promise<VimState> {
+
     await vscode.commands.executeCommand('editor.action.addSelectionToNextFindMatch');
     vimState.allCursors = await allowVSCodeToPropagateCursorUpdatesAndReturnThem();
 
@@ -6591,9 +6592,32 @@ class ActionOverrideCmdD extends BaseCommand {
   }
 }
 
+@RegisterAction
+class ActionOverrideCmdDInsert extends BaseCommand {
+  modes = [ModeName.Insert];
+   keys = ["<D-d>"];
+  runsOnceForEveryCursor() { return false; }
+  runsOnceForEachCountPrefix = true;
+
+  public async exec(position: Position, vimState: VimState): Promise<VimState> {
+    // Since editor.action.addSelectionToNextFindMatch uses the selection to
+    // determine where to add a word, we need to do a hack and manually set the
+    // selections to the word boundaries before we make the api call.
+    vscode.window.activeTextEditor!.selections =
+      vscode.window.activeTextEditor!.selections.map(x => {
+        const curPos = Position.FromVSCodePosition(x.active);
+        return new vscode.Selection(curPos.getWordLeft(true),
+                            curPos.getLeft().getCurrentWordEnd(true).getRight());
+        });
+    await vscode.commands.executeCommand('editor.action.addSelectionToNextFindMatch');
+    vimState.allCursors = await allowVSCodeToPropagateCursorUpdatesAndReturnThem();
+    return vimState;
+  }
+}
+
 @RegisterAction
 class ActionOverrideCmdAltDown extends BaseCommand {
-  modes = [ModeName.Normal, ModeName.Visual];
+  modes = [ModeName.Normal, ModeName.Visual, ModeName.Insert];
   keys = [
     ["<D-alt+down>"], // OSX
     ["<C-alt+down>"], // Windows