@Override
                    public void changed(ChangeListener.ChangeEvent event, Actor actor) {
                        drawable.hidden = ((ImageTextButton) actor).isChecked();
                        projectData.setChangesSaved(false);
    
                        gatherDrawables();
                        sortBySelectedMode();
                    }
Recreates the drawables array only including visible drawables.
core/src/com/ray3k/skincomposer/dialog/DialogDrawables.java