34 using layout::add_spacer;
size minimum_size(optional_size const &aAvailableSpace=optional_size{}) const override
size maximum_size(optional_size const &aAvailableSpace=optional_size{}) const override
i_spacer & add_spacer() override
void layout_items(const point &aPosition, const size &aSize) override
i_spacer & add_spacer_at(layout_item_index aPosition) override
uint32_t layout_item_index