void             ewl_mvc_selected_list_set(Ewl_MVC *mvc, int *list);
int             *ewl_mvc_selected_list_get(Ewl_MVC *mvc);

void             ewl_mvc_selected_range_set(Ewl_MVC *mvc, int start, int end);

void             ewl_mvc_selected_set(Ewl_MVC *mvc, int i);
void             ewl_mvc_selected_add(Ewl_MVC *mvc, int i);
int              ewl_mvc_selected_get(Ewl_MVC *mvc);