StyleContext.addClass
void addClass(string className)Adds a style class to context, so later uses of the style context will make use of this new class for styling.
In the CSS file format, a [gtk.entry.Entry] defining a “search” class, would be matched by:
entry.search { ... }While any widget defining a “search” class would be matched by:
.search { ... }Parameters
className | class name to use in styling |
Deprecated
Use [gtk.widget.Widget.addCssClass] instead