Method findBestMenuPos

src/eepp/ui/uimenu.cpp:696–870

}

void UIMenu::findBestMenuPos( Vector2f& pos, UIWidget* menu, UIMenu* parent, UIMenuSubMenu* subMenu,
							  Node* trigger ) {
	SceneNode* sceneNode = menu->getSceneNode();

	if ( nullptr == sceneNode )
		return;

	Rectf qScreen( 0.f, 0.f, sceneNode->getPixelsSize().getWidth(),
				   sceneNode->getPixelsSize().getHeight() );
	Vector2f oriPos( pos );
	Rectf qPos( pos.x, pos.y, pos.x + menu->getPixelsSize().getWidth(),
				pos.y + menu->getPixelsSize().getHeight() );

	if ( nullptr != trigger ) {
		Rectf qTrigger = trigger->getScreenRect();
		// Try to position below the trigger
		pos.y = qTrigger.Bottom;
		qPos.Top = pos.y;
		qPos.Bottom = qPos.Top + menu->getPixelsSize().getHeight();

		if ( !qScreen.contains( qPos ) ) {
			// Try to position above the trigger
			pos.y = qTrigger.Top - menu->getPixelsSize().getHeight();
			qPos.Top = pos.y;
			qPos.Bottom = qPos.Top + menu->getPixelsSize().getHeight();

			if ( !qScreen.contains( qPos ) ) {
				// Try to position to the right of the trigger
				pos.x = qTrigger.Right;
				pos.y = qTrigger.Top;
				qPos.Left = pos.x;
				qPos.Right = qPos.Left + menu->getPixelsSize().getWidth();
				qPos.Top = pos.y;
				qPos.Bottom = qPos.Top + menu->getPixelsSize().getHeight();

				if ( !qScreen.contains( qPos ) ) {
					// Try to position to the left of the trigger
					pos.x = qTrigger.Left - menu->getPixelsSize().getWidth();
					qPos.Left = pos.x;
					qPos.Right = qPos.Left + menu->getPixelsSize().getWidth();

					if ( !qScreen.contains( qPos ) ) {
						// Reset to original position if no better position found
						pos = oriPos;
						qPos.Left = pos.x;
						qPos.Right = qPos.Left + menu->getPixelsSize().getWidth();
						qPos.Top = pos.y;
						qPos.Bottom = qPos.Top + menu->getPixelsSize().getHeight();
					}
				}
			}
		}
	} else if ( nullptr != parent && nullptr != subMenu ) {
		Rectf qPrevMenu;
		bool clipMenu = parent->getOwnerNode() && parent->getOwnerNode()->getParent() &&
						parent->getOwnerNode()->getParent()->isType( UI_TYPE_MENU );

		Vector2f sPos = subMenu->getPixelsPosition();