| Value | Meaning |
|---|---|
| PRIVATE0 | Invalid value, used as a marker |
| WIDGET1 | Window that floats over scrolling areas. |
| TEXT2 | Scrollable text window. |
| LEFT3 | Left side border window. |
| RIGHT4 | Right side border window. |
| TOP5 | Top border window. |
| BOTTOM6 | Bottom border window. |
Used to reference the parts of gtk.TextView