{        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        if (selected >= 0)        {            mListBox->setSelected(selected);        }            }        bool DropDown::keyPress(const Key& key)    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        if ((key.getValue() == Key::ENTER || key.getValue() == Key::SPACE)            && !mDroppedDown)        {            dropDown();            return true;        }		return false;    }      void DropDown::mousePress(int x, int y, int button)    {        if (button == MouseInput::LEFT && hasMouse() && !mDroppedDown)        {            mPushed = true;            dropDown();        }        // Fold up the listbox if the upper part is clicked after fold down        else if (button == MouseInput::LEFT && hasMouse() && mDroppedDown                 && y < mOldH)        {            foldUp();        }        else if (!hasMouse())        {            foldUp();        }            }    void DropDown::mouseRelease(int x, int y, int button)    {        if (button == MouseInput::LEFT)        {                  mPushed = false;        }    }      void DropDown::setListModel(ListModel *listModel)    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        mListBox->setListModel(listModel);            if (mListBox->getSelected() < 0)        {            mListBox->setSelected(0);        }            adjustHeight();            }      ListModel *DropDown::getListModel()    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }              return mListBox->getListModel();            }    void DropDown::setScrollArea(ScrollArea *scrollArea)    {        mScrollArea->_setFocusHandler(NULL);        mScrollArea->_setParent(NULL);        mScrollArea = scrollArea;        mScrollArea->_setFocusHandler(&mFocusHandler);        mScrollArea->setContent(mListBox);        mScrollArea->_setParent(this);        adjustHeight();            }    ScrollArea *DropDown::getScrollArea()    {        return mScrollArea;            }      void DropDown::setListBox(ListBox *listBox)    {        listBox->setSelected(mListBox->getSelected());        listBox->setListModel(mListBox->getListModel());        listBox->addActionListener(this);        if (mScrollArea->getContent() != NULL)        {            mListBox->removeActionListener(this);        }                mListBox = listBox;            mScrollArea->setContent(mListBox);            if (mListBox->getSelected() < 0)        {            mListBox->setSelected(0);        }           }    ListBox *DropDown::getListBox()    {        return mListBox;            }      void DropDown::adjustHeight()    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        int listBoxHeight = mListBox->getHeight();        int h2 = mOldH ? mOldH : getFont()->getHeight();        setHeight(h2);        // The addition/subtraction of 2 compensates for the seperation lines        // seperating the selected element view and the scroll area.                if (mDroppedDown && getParent())        {            int h = getParent()->getHeight() - getY();                  if (listBoxHeight > h - h2 - 2)            {                mScrollArea->setHeight(h - h2 - 2);                setHeight(h);            }            else            {                setHeight(listBoxHeight + h2 + 2);                mScrollArea->setHeight(listBoxHeight);            }        }        mScrollArea->setWidth(getWidth());        mScrollArea->setPosition(0, h2 + 2);            }    void DropDown::dropDown()    {                if (!mDroppedDown)        {            mDroppedDown = true;            mOldH = getHeight();            adjustHeight();            if (getParent())            {                getParent()->moveToTop(this);            }        }                mFocusHandler.requestFocus(mScrollArea->getContent());    }        void DropDown::foldUp()    {                if (mDroppedDown)        {            mDroppedDown = false;            mFocusHandler.focusNone();            adjustHeight();        }            }    bool DropDown::_keyInputMessage(const KeyInput& keyInput)    {        if (mDroppedDown)        {            if (mScrollArea == NULL || mScrollArea->getContent() == NULL)            {                throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");            }            if (mFocusHandler.getFocused() != NULL)            {                return mFocusHandler.getFocused()->_keyInputMessage(keyInput);            }            else            {                return false;            }        }        else        {            return BasicContainer::_keyInputMessage(keyInput);        }            }        void DropDown::_mouseInputMessage(const MouseInput &mouseInput)    {                    BasicContainer::_mouseInputMessage(mouseInput);        if (mDroppedDown)        {            if (mScrollArea == NULL || mScrollArea->getContent() == NULL)            {                throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");            }                                if (mouseInput.y >= mOldH)            {                MouseInput mi = mouseInput;                mi.y -= mScrollArea->getY();                        mScrollArea->_mouseInputMessage(mi);                if (mListBox->hasFocus())                {                    mi.y -= mListBox->getY();                    mListBox->_mouseInputMessage(mi);                }            }        }            }    void DropDown::lostFocus()    {        foldUp();            }    void DropDown::moveToTop(Widget* widget)    {        if (getParent())        {            getParent()->moveToTop(this);        }            }    void DropDown::moveToBottom(Widget* widget)    {        if (getParent())        {            getParent()->moveToBottom(this);        }            }    void DropDown::_announceDeath(Widget* widget)    {                if (widget == mScrollArea)        {                        mScrollArea = NULL;        }        else        {            throw GCN_EXCEPTION("Death announced for unknown widget..");        }            }    void DropDown::action(const std::string& eventId)    {        foldUp();        generateAction();            }     void DropDown::getDrawSize(int& width, int& height, Widget* widget)    {        if (widget == mScrollArea)        {            if (mDroppedDown)            {                height = getHeight() - mOldH;                width = getWidth();            }            else            {                width = height = 0;            }        }        else        {            throw GCN_EXCEPTION("DropDown::getDrawSize. widget is not the ScrollArea (wieeerd...)");        }            }    void DropDown::setBaseColor(const Color& color)    {        if (mDefaultScrollArea == mScrollArea && mScrollArea != NULL)        {            mScrollArea->setBaseColor(color);        }        if (mDefaultListBox == mListBox && mListBox != NULL)        {            mListBox->setBaseColor(color);        }                        Widget::setBaseColor(color);    }    void DropDown::setBackgroundColor(const Color& color)    {        if (mDefaultScrollArea == mScrollArea && mScrollArea != NULL)        {            mScrollArea->setBackgroundColor(color);        }        if (mDefaultListBox == mListBox && mListBox != NULL)        {            mListBox->setBackgroundColor(color);        }                        Widget::setBackgroundColor(color);    }    void DropDown::setForegroundColor(const Color& color)    {        if (mDefaultScrollArea == mScrollArea && mScrollArea != NULL)        {            mScrollArea->setForegroundColor(color);        }        if (mDefaultListBox == mListBox && mListBox != NULL)        {            mListBox->setForegroundColor(color);        }                        Widget::setForegroundColor(color);    }    void DropDown::setFont(Font *font)     {        Widget::setFont(font);        mListBox->setFont(font);    }     }