void (@NotNull Editor editor) { VisualPosition caretPosition = editor.getCaretModel().getVisualPosition(); if (caretPosition.column > 0 && editor.getInlayModel().hasInlineElementAt(new VisualPosition(caretPosition.line, caretPosition.column - 1))) { editor.getCaretModel().moveCaretRelatively(-1, 0, false, false, EditorUtil.isCurrentCaretPrimary(editor)); return; } int lineNumber = editor.getCaretModel().getLogicalPosition().line; int colNumber = editor.getCaretModel().getLogicalPosition().column; Document document = editor.getDocument(); int offset = editor.getCaretModel().getOffset(); if(colNumber > 0) { if(EditorModificationUtil.calcAfterLineEnd(editor) > 0) { int columnShift = -1; editor.getCaretModel().moveCaretRelatively(columnShift, 0, false, false, true); } else { editor.getSelectionModel().removeSelection(); Runnable runnable = () -> { FoldRegion region = editor.getFoldingModel().getCollapsedRegionAtOffset(offset - 1); if (region != null && region.shouldNeverExpand()) { document.deleteString(region.getStartOffset(), region.getEndOffset()); editor.getCaretModel().moveToOffset(region.getStartOffset()); } else { int prevOffset = DocumentUtil.getPreviousCodePointOffset(document, offset); if (prevOffset >= 0) { document.deleteString(prevOffset, offset); } } EditorModificationUtilEx.scrollToCaret(editor); }; EditorUtil.runWithAnimationDisabled(editor, runnable); } } else if(lineNumber > 0) { int separatorLength = document.getLineSeparatorLength(lineNumber - 1); int lineEnd = document.getLineEndOffset(lineNumber - 1) + separatorLength; document.deleteString(lineEnd - separatorLength, lineEnd); editor.getCaretModel().moveToOffset(lineEnd - separatorLength); EditorModificationUtil.scrollToCaret(editor); editor.getSelectionModel().removeSelection(); // Do not group delete newline and other deletions. CommandProcessor commandProcessor = CommandProcessor.getInstance(); commandProcessor.setCurrentCommandGroupId(null); } }