Method CalculateRequisition

src/SFGUI/Box.cpp:102–139

}

sf::Vector2f Box::CalculateRequisition() {
	sf::Vector2f requisition( 0.f, 0.f );
	unsigned int num_visible( 0 );

	for( const auto& child : m_box_children ) {
		if( !IsChildInteresting( child.widget ) ) {
			continue;
		}

		++num_visible;

		sf::Vector2f child_requisition( child.widget->GetRequisition() );

		if( m_orientation == Orientation::HORIZONTAL ) {
			requisition.x += child_requisition.x;
			requisition.y = std::max( requisition.y, child_requisition.y );
		}
		else {
			requisition.x = std::max( requisition.x, child_requisition.x );
			requisition.y += child_requisition.y;
		}
	}

	if( num_visible > 1 ) {
		if( m_orientation == Orientation::HORIZONTAL ) {
			requisition.x += static_cast<float>( num_visible - 1 ) * GetSpacing();
		}
		else {
			requisition.y += static_cast<float>( num_visible - 1 ) * GetSpacing();
		}
	}

	float gap( Context::Get().GetEngine().GetProperty<float>( "Gap", shared_from_this() ) );
	requisition.x += 2 * gap;
	requisition.y += 2 * gap;

	return requisition;
}

void Box::HandleSizeChange() {
	AllocateChildren();