A #GtkToolItemGroup is used together with #GtkToolPalette to add #GtkToolItems to a palette like container with different categories and drag and drop support.
GtkToolItemGroup has a single CSS node named toolitemgroup.
A #GtkToolItemGroup is used together with #GtkToolPalette to add #GtkToolItems to a palette like container with different categories and drag and drop support.
CSS nodes
GtkToolItemGroup has a single CSS node named toolitemgroup.