docs: def _set_label_text(obj, text, tooltip=None, replace_all=False):
      """
      Keep text before first colon and replace the rest with new text.
  
      If there is no colon in the
      :param obj:
      :param text:
      :param tooltip:
      :param replace_all: No colon is searched and whole text is replaced
      :return:
      """
      dlab = str(obj.text())
      index_of_colon = dlab.find(': ')
      if index_of_colon == -1:
          index_of_colon = 0
      else:
          index_of_colon += 2
      if replace_all:
          index_of_colon = 0
      obj.setText(dlab[:index_of_colon] + '%s' % text)
      if tooltip is not None:
          obj.setToolTip(tooltip)