/*      _______   __   __   __   ______   __   __   _______   __   __                  *     / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___  /\ /  |\/ /\                 *    / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /                  *   / / /__   / / // / // / // / /    / ___  / // ___  / // /| ' / /                   *  / /_// /\ / /_// / // / // /_/_   / / // / // /\_/ / // / |  / /                    * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /                     * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/                       * * Copyright (c) 2004, 2005 darkbits                        Js_./ * Per Larsson a.k.a finalman                          _RqZ{a<^_aa * Olof Naess閚 a.k.a jansem/yakslem                _asww7!uY`>  )\a// *                                                 _Qhm`] _f "'c  1!5m * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[ *                                               .)j(] .d_/ '-(  P .   S * License: (BSD)                                <Td/Z <fP"5(\"??"\a.  .L * Redistribution and use in source and          _dV>ws?a-?'      ._/L  #' * binary forms, with or without                 )4d[#7r, .   '     )d`)[ * modification, are permitted provided         _Q-5'5W..j/?'   -?!\)cam' * that the following conditions are met:       j<<WP+k/);.        _W=j f * 1. Redistributions of source code must       .$%w\/]Q  . ."'  .  mj$ *    retain the above copyright notice,        ]E.pYY(Q]>.   a     J@\ *    this list of conditions and the           j(]1u<sE"L,. .   ./^ ]{a *    following disclaimer.                     4'_uomm\.  )L);-4     (3= * 2. Redistributions in binary form must        )_]X{Z('a_"a7'<a"a,  ]"[ *    reproduce the above copyright notice,       #}<]m7`Za??4,P-"'7. ).m *    this list of conditions and the            ]d2e)Q(<Q(  ?94   b-  LQ/ *    following disclaimer in the                <B!</]C)d_, '(<' .f. =C+m *    documentation and/or other materials      .Z!=J ]e []('-4f _ ) -.)m]' *    provided with the distribution.          .w[5]' _[ /.)_-"+?   _/ <W" * 3. Neither the name of Guichan nor the      :$we` _! + _/ .        j? *    names of its contributors may be used     =3)= _f  (_yQmWW$#(    " *    to endorse or promote products derived     -   W,  sQQQQmZQ#Wwa].. *    from this software without specific        (js, \[QQW$QWW#?!V"". *    prior written permission.                    ]y:.<\..          . *                                                 -]n w/ '         [. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT       )/ )/           ! * HOLDERS AND CONTRIBUTORS "AS IS" AND ANY         <  (; sac    ,    ' * EXPRESS OR IMPLIED WARRANTIES, INCLUDING,               ]^ .-  % * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF            c <   r * MERCHANTABILITY AND FITNESS FOR A PARTICULAR            aga<  <La * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE          5%  )P'-3L * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR        _bQf` y`..)a * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,          ,J?4P'.P"_(\?d'., * EXEMPLARY, OR CONSEQUENTIAL DAMAGES               _Pa,)!f/<[]/  ?" * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT      _2-..:. .r+_,.. . * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,     ?a.<%"'  " -'.a_ _, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION)                     ^ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */#include "guichan/exception.h"#include "guichan/widgets/dropdown.h"namespace gcn{      DropDown::DropDown()    {        mDroppedDown = false;        mPushed = false;        mOldH = 0;            setWidth(100);        setFocusable(true);        mDefaultScrollArea = new ScrollArea();        mDefaultScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);        mDefaultListBox = new ListBox();        mScrollArea = mDefaultScrollArea;        mScrollArea->_setFocusHandler(&mFocusHandler);        mScrollArea->_setParent(this);                mListBox = mDefaultListBox;            mListBox->addActionListener(this);        mScrollArea->setContent(mListBox);                addMouseListener(this);        addKeyListener(this);        adjustHeight();        setBorderSize(1);            }        DropDown::DropDown(ListModel *listModel)    {        setWidth(100);        setFocusable(true);        mDroppedDown = false;        mPushed = false;            mOldH = 0;            mDefaultScrollArea = new ScrollArea();        mDefaultScrollArea->setHorizontalScrollPolicy(ScrollArea::SHOW_NEVER);        mDefaultListBox = new ListBox();        mScrollArea = mDefaultScrollArea;        mScrollArea->_setParent(this);        mListBox = mDefaultListBox;        mListBox->addActionListener(this);                    mScrollArea->setContent(mListBox);        mScrollArea->_setFocusHandler(&mFocusHandler);        mScrollArea->_setParent(this);                    setListModel(listModel);            if (mListBox->getSelected() < 0)        {            mListBox->setSelected(0);        }        addMouseListener(this);        addKeyListener(this);        adjustHeight();        setBorderSize(1);            }      DropDown::DropDown(ListModel *listModel,                       ScrollArea *scrollArea,                       ListBox *listBox)    {        setWidth(100);        setFocusable(true);        mDroppedDown = false;        mPushed = false;        mOldH = 0;            mDefaultScrollArea = NULL;        mDefaultListBox = NULL;        mScrollArea = scrollArea;        mScrollArea->_setFocusHandler(&mFocusHandler);        mListBox = listBox;            mListBox->addActionListener(this);        mScrollArea->setContent(mListBox);        mScrollArea->_setParent(this);                    setListModel(listModel);        if (mListBox->getSelected() < 0)        {            mListBox->setSelected(0);        }        addMouseListener(this);        addKeyListener(this);        adjustHeight();        setBorderSize(1);            }    DropDown::~DropDown()    {              if (mScrollArea != NULL)        {            mScrollArea->_setFocusHandler(NULL);        }        if (mDefaultScrollArea != NULL)        {            delete mDefaultScrollArea;        }        if (mDefaultListBox != NULL)        {            delete mDefaultListBox;        }        if (widgetExists(mListBox))        {            mListBox->removeActionListener(this);        }    }      void DropDown::logic()    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }              mScrollArea->logic();        mFocusHandler.applyChanges();    }        void DropDown::draw(Graphics* graphics)    {             if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        int h;        if (mDroppedDown)        {            h = mOldH;        }        else        {            h = getHeight();        }            int alpha = getBaseColor().a;        Color faceColor = getBaseColor();        faceColor.a = alpha;        Color highlightColor = faceColor + 0x303030;        highlightColor.a = alpha;        Color shadowColor = faceColor - 0x303030;              shadowColor.a = alpha;                    graphics->setColor(getBackgroundColor());        graphics->fillRectangle(Rectangle(0, 0, getWidth(), h));           graphics->setColor(getForegroundColor());        graphics->setFont(getFont());            if (mListBox->getListModel() && mListBox->getSelected() >= 0)        {            graphics->drawText(mListBox->getListModel()->getElementAt(mListBox->getSelected()),                1, (h - getFont()->getHeight()) / 2);        }        if (hasFocus())        {            graphics->drawRectangle(Rectangle(0, 0, getWidth() - h, h));        }                drawButton(graphics);                     if (mDroppedDown)         {             graphics->pushClipArea(mScrollArea->getDimension());             mScrollArea->draw(graphics);             graphics->popClipArea();            // Draw two lines separating the ListBox with se selected            // element view.            graphics->setColor(highlightColor);            graphics->drawLine(0, h, getWidth(), h);            graphics->setColor(shadowColor);            graphics->drawLine(0, h + 1,getWidth(),h + 1);         }            }    void DropDown::drawBorder(Graphics* graphics)    {        Color faceColor = getBaseColor();        Color highlightColor, shadowColor;        int alpha = getBaseColor().a;        int width = getWidth() + getBorderSize() * 2 - 1;        int height = getHeight() + getBorderSize() * 2 - 1;        highlightColor = faceColor + 0x303030;        highlightColor.a = alpha;        shadowColor = faceColor - 0x303030;        shadowColor.a = alpha;                unsigned int i;        for (i = 0; i < getBorderSize(); ++i)        {            graphics->setColor(shadowColor);            graphics->drawLine(i,i, width - i, i);            graphics->drawLine(i,i + 1, i, height - i - 1);            graphics->setColor(highlightColor);            graphics->drawLine(width - i,i + 1, width - i, height - i);             graphics->drawLine(i,height - i, width - i - 1, height - i);         }    }    void DropDown::drawButton(Graphics *graphics)    {        Color faceColor, highlightColor, shadowColor;        int offset;        int alpha = getBaseColor().a;                if (mPushed)        {            faceColor = getBaseColor() - 0x303030;            faceColor.a = alpha;            highlightColor = faceColor - 0x303030;            highlightColor.a = alpha;            shadowColor = faceColor + 0x303030;            shadowColor.a = alpha;            offset = 1;        }        else        {            faceColor = getBaseColor();            faceColor.a = alpha;            highlightColor = faceColor + 0x303030;            highlightColor.a = alpha;            shadowColor = faceColor - 0x303030;            shadowColor.a = alpha;            offset = 0;        }        int h;        if (mDroppedDown)        {            h = mOldH;        }        else        {            h = getHeight();        }        int x = getWidth() - h;        int y = 0;            graphics->setColor(faceColor);        graphics->fillRectangle(Rectangle(x+1, y+1, h-2, h-2));        graphics->setColor(highlightColor);        graphics->drawLine(x, y, x+h-1, y);        graphics->drawLine(x, y+1, x, y+h-1);        graphics->setColor(shadowColor);        graphics->drawLine(x+h-1, y+1, x+h-1, y+h-1);        graphics->drawLine(x+1, y+h-1, x+h-2, y+h-1);        graphics->setColor(getForegroundColor());            int i;        int hh = h / 3;        int hx = x + h / 2;        int hy = y + (h * 2) / 3;        for (i=0; i<hh; i++)        {            graphics->drawLine(hx - i + offset,                               hy - i + offset,                               hx + i + offset,                               hy - i + offset);        }            }        int DropDown::getSelected()    {        if (mScrollArea == NULL || mScrollArea->getContent() == NULL)        {            throw GCN_EXCEPTION("ScrollArea or ListBox is NULL.");        }        return mListBox->getSelected();            }        void DropDown::setSelected(int selected)