pgthemewidget.h

Go to the documentation of this file.

/*
    ParaGUI - crossplatform widgetset
    Copyright (C) 2000,2001,2002  Alexander Pipelka
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
    Alexander Pipelka
    pipelka@teleweb.at
 
    Last Update:      $Author: mbickel $
    Update Date:      $Date: 2007-04-13 16:15:57 $
    Source File:      $Source: /home/cvspsrv/cvsroot/games/asc/source/libs/paragui/include/pgthemewidget.h,v $
    CVS/RCS Revision: $Revision: 1.2 $
    Status:           $State: Exp $
*/

#ifndef PG_THEMEWIDGET_H
#define PG_THEMEWIDGET_H

#include "pgwidget.h"
#include "pgdraw.h"

class PG_ThemeWidgetDataInternal;

class DECLSPEC PG_ThemeWidget : public PG_Widget  {
public:

        PG_ThemeWidget(PG_Widget* parent, const PG_Rect& r = PG_Rect::null, const std::string& style="ThemeWidget");

        PG_ThemeWidget(PG_Widget* parent, const PG_Rect& r, bool bCreateSurface, const std::string& style="ThemeWidget");

        ~PG_ThemeWidget();

        void LoadThemeStyle(const std::string& widgettype);

        void LoadThemeStyle(const std::string& widgettype, const std::string& objectname);

        bool SetBackground(const std::string& filename, PG_Draw::BkMode mode=PG_Draw::TILE);

        bool SetBackground(const std::string& filename, PG_Draw::BkMode mode, const PG_Color& colorkey);

        bool SetBackground(SDL_Surface* surface, PG_Draw::BkMode mode=PG_Draw::TILE);

        void SetBackgroundBlend(Uint8 backblend);

        void SetGradient(const PG_Gradient& grad);

        PG_Gradient GetGradient();

        bool LoadImage(const std::string& filename);

        bool LoadImage(const std::string& filename, const PG_Color& key);

        bool SetImage(SDL_Surface* image, bool bFreeImage = true);

        void SetTransparency(Uint8 t, bool bRecursive = false);

        static SDL_Surface* CreateThemedSurface(const PG_Rect& r, PG_Gradient* gradient, SDL_Surface* background, PG_Draw::BkMode bkmode, Uint8 blend);

        static void DeleteThemedSurface(SDL_Surface* surface);

        void SetSimpleBackground(bool simple);

        void SetBackgroundColor(const PG_Color& c);

protected:

        void eventSizeWidget(Uint16 w, Uint16 h);

        void eventDraw(SDL_Surface* surface, const PG_Rect& rect);

        void eventBlit(SDL_Surface* surface, const PG_Rect& src, const PG_Rect& dst);


        bool my_has_gradient;

        PG_Gradient my_gradient;

        SDL_Surface* my_background;

        SDL_Surface* my_image;

        Uint8 my_blendLevel;

        bool my_backgroundFree;

        PG_Draw::BkMode my_backgroundMode;

private:

        PG_ThemeWidget(const PG_ThemeWidget&);

        PG_ThemeWidget& operator=(const PG_ThemeWidget&);

        DLLLOCAL void Init(const std::string& style);

        DLLLOCAL void CreateSurface(Uint16 w = 0, Uint16 h = 0);

        DLLLOCAL void FreeSurface();

        DLLLOCAL void FreeImage();

        // this is a bit rude but neccessary for future binary compatibility
        // because adding non-static data members would break the ABI.
        // For this we put all private data into a dynamically created struct.
        PG_ThemeWidgetDataInternal* _mid;
};

#endif // PG_THEMEWIDGET_H

---