| Value | Meaning |
|---|---|
| drawNormal0 | The normal state (i.e. not pressed, not hovered, not toggled and enabled) of buttons. |
| drawPressed1 | The state of buttons are pressed. |
| drawHover2 | The state of buttons are hovered. |
| drawDisabled3 | The state of buttons are disabled. |
| drawHoverPressed4 | The state of buttons are both hovered and pressed. |