C++ (Cpp) Ptr::GetRequisition示例

void Alignment::UpdateChild() {
	Widget::Ptr child = GetChild();

	if( !child ) {
		return;
	}

	sf::FloatRect allocation( GetAllocation() );

	sf::Vector2f spare_space( allocation.width, allocation.height );
	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 ) ) {
#ifdef SFGUI_DEBUG
		std::cerr << "SFGUI warning: Alignment got a smaller allocation than it requested." << std::endl;
		return;
#endif
	}

	allocation.left = spare_space.x * GetAlignment().x;
	allocation.top = spare_space.y * GetAlignment().y;
	allocation.width -= spare_space.x;
	allocation.height -= spare_space.y;

	child->SetAllocation( allocation );
}

示例#2

显示文件

文件： Alignment.cpp 项目： spacechase0/SFGUI

sf::Vector2f Alignment::CalculateRequisition() {
	Widget::Ptr child = GetChild();

	if( !child ) {
		return sf::Vector2f( 0.f, 0.f );
	}

	return child->GetRequisition();
}