Value | Symbolic name | Description |
| 0 | GTK_SHADOW_NONE |
No shadow is displayed, resulting in a two-dimensional appearance.
|
| 1 | GTK_SHADOW_IN |
Displays dark shadow on left and upper sides of the widget, resulting
in the appearance of the widget being lower than its surrounding area.
|
| 2 | GTK_SHADOW_OUT |
Displays dark shadow on right and lower sides of the widget, resulting
in the illusion that the widget is raised above its surrounding area.
|
| 3 | GTK_SHADOW_ETCHED_IN |
Displays the appearance of sunken detail.
|
| 4 | GTK_SHADOW_ETCHED_OUT |
Displays the appearance of raised detail.
|
