ctrl_text.hpp

/*****************************************************************************
 * ctrl_text.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id: ctrl_text.hpp 12207 2005-08-15 15:54:32Z asmax $
 *
 * 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_TEXT_HPP
#define CTRL_TEXT_HPP

#include "ctrl_generic.hpp"
#include "../utils/fsm.hpp"
#include "../utils/observer.hpp"
#include <string>

class GenericFont;
class GenericBitmap;
class OSTimer;
class UString;
class VarText;


class CtrlText: public CtrlGeneric, public Observer<VarText>
{
    public:
        CtrlText( intf_thread_t *pIntf, VarText &rVariable,
                  const GenericFont &rFont, const UString &rHelp,
                  uint32_t color, VarBool *pVisible );
        virtual ~CtrlText();

        virtual void handleEvent( EvtGeneric &rEvent );

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

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

        void setText( const UString &rText, uint32_t color = 0xFFFFFFFF );

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

    private:
        FSM m_fsm;
        VarText &m_rVariable;
        DEFINE_CALLBACK( CtrlText, ToManual )
        DEFINE_CALLBACK( CtrlText, ManualMoving )
        DEFINE_CALLBACK( CtrlText, ManualStill )
        DEFINE_CALLBACK( CtrlText, Move )
        EvtGeneric *m_pEvt;
        const GenericFont &m_rFont;
        uint32_t m_color;
        GenericBitmap *m_pImg;
        GenericBitmap *m_pImgDouble;
        GenericBitmap *m_pCurrImg;
        int m_xPos;
        int m_xOffset;
        OSTimer *m_pTimer;

        DEFINE_CALLBACK( CtrlText, UpdateText );

        virtual void onUpdate( Subject<VarText> &rVariable );

        void displayText( const UString &rText );

        void adjust( int &position );

        virtual void onChangePosition();
};


#endif

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