Sets our main struct and passes it to the parent class.
The ::activate signal is emitted when the user activates a child widget in a GtkFlowBox, either by clicking or double-clicking, or by using the Space or Enter key.
Marks child as changed, causing any state that depends on this to be updated. This affects sorting and filtering.
Get the main Gtk struct
Gets the current index of the child in its GtkFlowBox container.
the main Gtk struct as a void*
Returns whether the child is currently selected in its GtkFlowBox container.
the main Gtk struct