Function onFocus

static/js/codemirror/codemirror.js:1960–1971

(cm)

  }

  function onFocus(cm) {
    if (cm.options.readOnly == "nocursor") return;
    if (!cm.state.focused) {
      signal(cm, "focus", cm);
      cm.state.focused = true;
      if (cm.display.wrapper.className.search(/\bCodeMirror-focused\b/) == -1)
        cm.display.wrapper.className += " CodeMirror-focused";
      resetInput(cm, true);
    }
    slowPoll(cm);
    restartBlink(cm);
  }
  function onBlur(cm) {
    if (cm.state.focused) {
      signal(cm, "blur", cm);