Toggle as button

        private static GUIStyle _toggleOff;
        private static GUIStyle _toggleOn;
        public static bool ToggleButton(string name, bool state, GUILayoutOption option = null) {
            if (_toggleOff == null) {
                _toggleOff       = new GUIStyle(GUI.skin.button);
                _toggleOn        = new GUIStyle(GUI.skin.button);
                _toggleOn.normal = _toggleOn.onActive;
            }
            if (option == null) {
                if (GUILayout.Button(name, state ? _toggleOn : _toggleOff))
                    return !state;
            }
            else {
                if (GUILayout.Button(name, state ? _toggleOn : _toggleOff, option))
                    return !state;
            }
            return state;
        }