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void etk_box_prependEtk_Box *box, Etk_Widget *child, Etk_Box_Group group, Etk_Box_Fill_Policy fill_policy, int padding);
void etk_box_append(Etk_Box *box, Etk_Widget *child, Etk_Box_Group group, Etk_Box_Fill_Policy fill_policy, int padding);
void etk_box_insert(Etk_Box *box, Etk_Widget *child, Etk_Box_Group group, Etk_Widget *after, Etk_Box_Fill_Policy fill_policy, int padding);
void etk_box_insert_at(Etk_Box *box, Etk_Widget *child, Etk_Box_Group group, int pos, Etk_Box_Fill_Policy fill_policy, int padding);

Etk_Widget *etk_box_child_get_at(Etk_Box *box, Etk_Box_Group group, int pos);
void        etk_box_child_position_set(Etk_Box *box, Etk_Widget *child, Etk_Box_Group group, int pos);
Etk_Bool    etk_box_child_position_get(Etk_Box *box, Etk_Widget *child, Etk_Box_Group *group, int *pos);
void        etk_box_child_packing_set(Etk_Box *box, Etk_Widget *child, Etk_Box_Fill_Policy fill_policy, int padding);
Etk_Bool    etk_box_child_packing_get(Etk_Box *box, Etk_Widget *child, Etk_Box_Fill_Policy *fill_policy, int *padding);

void     etk_box_spacing_set(Etk_Box *box, int spacing);
int      etk_box_spacing_get(Etk_Box *box);
void     etk_box_homogeneous_set(Etk_Box *box, Etk_Bool homogeneous);
Etk_Bool etk_box_homogeneous_get(Etk_Box *box);