Function addLineWidget

static/libs/codemirror.js:5716–5735

(doc, handle, node, options)

}

function addLineWidget(doc, handle, node, options) {
  var widget = new LineWidget(doc, node, options);
  var cm = doc.cm;
  if (cm && widget.noHScroll) { cm.display.alignWidgets = true; }
  changeLine(doc, handle, "widget", function (line) {
    var widgets = line.widgets || (line.widgets = []);
    if (widget.insertAt == null) { widgets.push(widget); }
    else { widgets.splice(Math.min(widgets.length - 1, Math.max(0, widget.insertAt)), 0, widget); }
    widget.line = line;
    if (cm && !lineIsHidden(doc, line)) {
      var aboveVisible = heightAtLine(line) < doc.scrollTop;
      updateLineHeight(line, line.height + widgetHeight(widget));
      if (aboveVisible) { addToScrollTop(cm, widget.height); }
      cm.curOp.forceUpdate = true;
    }
    return true
  });
  if (cm) { signalLater(cm, "lineWidgetAdded", cm, widget, typeof handle == "number" ? handle : lineNo(handle)); }
  return widget
}

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