ctrl_list.hpp

/*****************************************************************************
 * ctrl_list.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id: ctrl_list.hpp 11664 2005-07-09 06:17:09Z courmisch $
 *
 * Authors: Cyril Deguet     <[email protected]>
 *          Olivier Teulière <[email protected]>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

#ifndef CTRL_LIST_HPP
#define CTRL_LIST_HPP

#include "ctrl_generic.hpp"
#include "../utils/observer.hpp"
#include "../utils/var_list.hpp"

class OSGraphics;
class GenericFont;
class GenericBitmap;


class CtrlList: public CtrlGeneric, public Observer<VarList>,
    public Observer<VarPercent>
{
    public:
        CtrlList( intf_thread_t *pIntf, VarList &rList,
                  const GenericFont &rFont, const GenericBitmap *pBitmap,
                  uint32_t fgcolor, uint32_t playcolor, uint32_t bgcolor1,
                  uint32_t bgcolor2, uint32_t selColor,
                  const UString &rHelp, VarBool *pVisible );
        virtual ~CtrlList();

        virtual void handleEvent( EvtGeneric &rEvent );

        virtual bool mouseOver( int x, int y ) const;

        virtual void draw( OSGraphics &rImage, int xDest, int yDest );

        virtual void onResize();

        virtual bool isFocusable() const { return true; }

        virtual string getType() const { return "list"; }

    private:
        VarList &m_rList;
        const GenericFont &m_rFont;

        const GenericBitmap *m_pBitmap;
        uint32_t m_fgColor;
        uint32_t m_playColor;
        uint32_t m_bgColor1, m_bgColor2;
        uint32_t m_selColor;
        VarList::Elem_t *m_pLastSelected;
        OSGraphics *m_pImage;
        int m_lastPos;

        virtual void onUpdate( Subject<VarList> &rList );

        virtual void onUpdate( Subject<VarPercent> &rPercent );

        virtual void onPositionChange();

        void autoScroll();

        void makeImage();
};

#endif

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