addContent static method
Adds content to a widget via the TextEditingController.
Implementation
static addContent(
String receivedText, TextEditingController textEditingController) {
final selectionStart = textEditingController.selection.start;
final editorReadyText = _prepareTextForEditor(
receivedText, selectionStart, textEditingController.text);
_writeAtCaret(textEditingController.text, editorReadyText, selectionStart,
textEditingController);
}