guiupdown.h

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/********************************************************************************/
/*                                                                              */
/*  Netrinjo-Engine - a library for game-development                            */
/*  Copyright (C) 1999, 2000, 2005 by Tobias Nadler und Georg Schnattinger      */
/*                                                                              */
/*  This library is free software; you can redistribute it and/or               */
/*  modify it under the terms of the GNU Lesser General Public                  */
/*  License as published by the Free Software Foundation; either                */
/*  version 2.1 of the License, or (at your option) any later version.          */
/*                                                                              */
/*  This library 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           */
/*  Lesser General Public License for more details.                             */
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/*  You should have received a copy of the GNU Lesser General Public            */
/*  License along with this library; if not, write to the Free Software         */
/*  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   */
/*                                                                              */
/********************************************************************************/

#ifndef GUIUPDOWN_H
#define GUIUPDOWN_H

#include "guibackground.h"
#include "guitext.h"
#include "guidynamicbutton.h"

class DECLSPEC GuiUpDown : public GuiPictureBg
{
public:
    DECLSPEC GuiUpDown( const SDL_Rect &r, GuiElement *el, const char *name, int val = 0, bool usetheme = true );
    DECLSPEC GuiUpDown(TiXmlElement *el, GuiElement *p);
    virtual DECLSPEC ~GuiUpDown();

    virtual const char *getClassName()  { return "GuiUpDown"; }
    
    void setCallback( Callback c )      { cb.func = c; }
    void setCallbackData( BasicObject* d )  { cb.obj = d; }
    DECLSPEC void setValue( int v );
    DECLSPEC void setMinMax( int min, int max );
    void chooseFont( GuiText::FontSize size, bool light )   { text->chooseFont( size, light ); }
    DECLSPEC int getValue();

    DECLSPEC int operator ++();
    DECLSPEC int operator --();
    DECLSPEC int operator +=(int i);
    DECLSPEC int operator -=(int i);

    int increment;

    static void newguiobject(void *presult, BasicObject *o, void *xmldata)
    {
        GuiElement *r = new GuiUpDown((TiXmlElement*)xmldata, (GuiElement*)o);
        *(GuiElement**)presult = r;
    }
protected:
    virtual DECLSPEC Uint32 onRelease();
    virtual DECLSPEC Uint32 onResize();
    virtual DECLSPEC void onInit();
    virtual DECLSPEC Uint32 onThemeChanged( UiTheme *t );

private:
    void refresh();
    void arrange();
    void onButton( GuiClickableBtn * button );

    FunctionData cb;
    int value;
    int min, max;
    GuiClickableBtn * up;
    GuiClickableBtn * down;
    GuiTextInput * text;

    bool bThemeBtns;

    static inline void onUdBtn( void * btn, BasicObject *reciever, void * )
    {
        ((GuiUpDown*)reciever )->onButton( (GuiClickableBtn*)btn );
    }
    static inline void onText( void*, BasicObject *reciever, void * )
    {
        ((GuiUpDown*)reciever )->onRelease();
    }
};

#endif

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