Method

GtkWidgetadd_css_class

Declaration [src] 

void
gtk_widget_add_css_class (
  GtkWidget* widget,
  const char* css_class
)

Description [src]

Adds a style class to widget.

After calling this function, the widget’s style will match for css_class, according to CSS matching rules.

Use gtk_widget_remove_css_class() to remove the style again.

Parameters

css_class

Type: const char*

The style class to add to widget, without the leading ‘.’ used for notation of style classes.

The data is owned by the caller of the method.
The value is a NUL terminated UTF-8 string.