Color-correction post-effect. This is a widget intended to correct colors before display, at the Raw level.
A PBR knob with texture.
Knob.
Static text label. Note: this is a very bad widget to copy. Obsolete, but works. In particular, the setters should be script properties.
Clickable Logo.
On/Off switch.
Parameter value hint.
The widget you must inherit from for a PBR background UI (though it isn't mandatory).
Slider.
Widget for displaying an editable textbox.
Widgets that uses the full PBR system.