Method UpdateChild

src/SFGUI/Alignment.cpp:46–73

}

void Alignment::UpdateChild() {
	auto child = GetChild();

	if( !child ) {
		return;
	}

	sf::FloatRect allocation( GetAllocation() );

	sf::Vector2f spare_space( allocation.size );
	spare_space -= child->GetRequisition();
	spare_space.x *= 1.f - GetScale().x;
	spare_space.y *= 1.f - GetScale().y;

	if( ( spare_space.x < 0 ) || ( spare_space.y < 0 ) ) {
#if defined( SFGUI_DEBUG )
		std::cerr << "SFGUI warning: Alignment got a smaller allocation than it requested.\n";
		return;
#endif
	}

	allocation.position.x = spare_space.x * GetAlignment().x;
	allocation.position.y = spare_space.y * GetAlignment().y;
	allocation.size.x -= spare_space.x;
	allocation.size.y -= spare_space.y;

	child->SetAllocation( allocation );
}

}