Method activate

app/src/processing/app/EditorToolbar.java:518–522

Set a particular button to be active.

(int what)

   * Set a particular button to be active.
   */
  private void activate(int what) {
    if (buttonImages != null) {
      setState(what, ACTIVE, true);
    }
  }

  public void activateRun() {
    activate(RUN);