TextWidget.h

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/*
 *  Copyright (C) 2003-2006  The Pentagram Team
 *
 *  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 02111-1307, USA.
 */

#ifndef TEXTWIDGET_H_INCLUDED
#define TEXTWIDGET_H_INCLUDED

//
// TextWidget. Displays text in either a fixed-size or a fit-to-text rectangle.
//

#include "Gump.h"

#include "Font.h"

using Pentagram::Font;

class RenderedText;

class TextWidget : public Gump
{
protected:
        std::string             text;
        bool                    gamefont;
        int                             fontnum;
        uint32                  blendColour;
        int                             tx, ty;

        unsigned int    current_start; 
        unsigned int    current_end;   

        int targetwidth, targetheight;

        RenderedText* cached_text;
        Font::TextAlign textalign;
public:
        ENABLE_RUNTIME_CLASSTYPE();

        TextWidget();
        TextWidget(int X, int Y, std::string txt, bool gamefont, int fontnum,
                           int width = 0, int height = 0,
                           Font::TextAlign align = Font::TEXT_LEFT);
        virtual ~TextWidget(void);

        // Init the gump, call after construction
        virtual void                    InitGump(Gump* newparent, bool take_focus=true);

        // Overloadable method to Paint just this Gump (RenderSurface is relative to this)
        virtual void                    PaintThis(RenderSurface*, sint32 lerp_factor, bool scaled);

        virtual void                    PaintComposited(RenderSurface* surf, sint32 lerp_factor, sint32 scalex, sint32 scaley);

        virtual Gump* OnMouseMotion(int mx, int my);

        bool setupNextText();

        void rewind();

        void getCurrentText(unsigned int& start, unsigned int& end) const {
                start = current_start; end = current_end;
        }

        void setBlendColour(uint32 col) { blendColour = col; }

        int getVlead();

protected:
        void renderText();

        Pentagram::Font* getFont() const;

public:
        bool loadData(IDataSource* ids, uint32 version);

protected:
        virtual void saveData(ODataSource* ods);
};

#endif

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