Method HandleAdd

src/SFGUI/Notebook.cpp:494–521

}

bool Notebook::HandleAdd( Widget::Ptr child ) {
	auto allowed = false;

	for( const auto& tab : m_children ) {
		if( ( tab.child == child ) || ( tab.tab_label == child ) ) {
			allowed = true;
			break;
		}
	}

	// If the child or label isn't found on the children list, the user added the widget
	// manually, which is not allowed for this class.
	if( !allowed ) {

#if defined( SFGUI_DEBUG )
		std::cerr << "SFGUI warning: Child must be added via AppendPage() or PrependPage() or InsertPage() for sfg::Notebook widgets.\n";
#endif

		return false;
	}

	Container::HandleAdd( child );

	RequestResize();
	Invalidate();

	return true;
}

void Notebook::HandleRemove( Widget::Ptr child ) {
	auto page_number = GetPageOf( child );