Method CalculateRequisition

src/SFGUI/ComboBox.cpp:350–373

}

sf::Vector2f ComboBox::CalculateRequisition() {
	float padding( Context::Get().GetEngine().GetProperty<float>( "ItemPadding", shared_from_this() ) );
	const std::string& font_name( Context::Get().GetEngine().GetProperty<std::string>( "FontName", shared_from_this() ) );
	unsigned int font_size( Context::Get().GetEngine().GetProperty<unsigned int>( "FontSize", shared_from_this() ) );
	const sf::Font& font( *Context::Get().GetEngine().GetResourceManager().GetFont( font_name ) );

	// Determine highest needed width of all items.
	sf::Vector2f metrics( 0.f, 0.f );
	for ( IndexType item = 0; item < GetItemCount(); ++item ) {
		metrics.x = std::max( metrics.x, Context::Get().GetEngine().GetTextStringMetrics( m_entries[static_cast<std::size_t>( item )], font, font_size ).x );
	}

	metrics.y = Context::Get().GetEngine().GetFontLineHeight( font, font_size );

	// This is needed for the arrow.
	metrics.x += metrics.y;

	sf::Vector2f requisition(
		metrics.x + 3 * padding,
		metrics.y + 2 * padding
	);

	return requisition;
}

const std::string& ComboBox::GetName() const {
	static const std::string name( "ComboBox" );