wg_button.h

// wg_button.h
//
// CButton interface
//
//
// Copyright (c) 2002-2004 Rob Wiskow
// rob-dev@boxedchaos.com
//
// 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.
//
// 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 _WG_BUTTON_H_
#define _WG_BUTTON_H_

#include "wg_window.h"
#include "wg_painter.h"
#include "wg_renderedstring.h"
#include "wg_picture.h"
#include <memory>


namespace wGui
{



class CButton : public CWindow
{
public:
     CButton(const CRect& WindowRect, CWindow* pParent, std::wstring sText, CFontEngine* pFontEngine = 0);

     virtual ~CButton(void);

     enum EState {
          UP,  
          DOWN,  
          DISABLED  
     };

     EState GetButtonState(void) const { return m_eButtonState; }

     void SetButtonState(EState eState);


     // CWindow overrides
     virtual void Draw(void) const;

     virtual void SetWindowText(const std::wstring& sWindowText);

     virtual bool OnMouseButtonDown(CPoint Point, unsigned int Button);

     virtual bool OnMouseButtonUp(CPoint Point, unsigned int Button);


     // CMessageClient overrides
     virtual bool HandleMessage(CMessage* pMessage);


protected:
     CFontEngine* m_pFontEngine;  
     std::auto_ptr<CRenderedString> m_pRenderedString;  
     EState m_eButtonState;  
     unsigned int m_MouseButton;  

private:
     void operator=(CButton) { }  
};



class CPictureButton : public CButton
{
public:
     CPictureButton(const CRect& WindowRect, CWindow* pParent, std::wstring sPictureFile);

     CPictureButton(const CRect& WindowRect, CWindow* pParent, const CBitmapResourceHandle& hBitmap);

     virtual ~CPictureButton(void);


     void SetPicture(std::wstring sPictureFile);

     void SetPicture(const CBitmapResourceHandle& hBitmap);


     // CWindow overrides
     virtual void Draw(void) const;


private:
     std::auto_ptr<CBitmapResourceHandle> m_phBitmap;  
     void operator=(CPictureButton) { }  
};

}


#include "unit_tests/wg_button_unittests.h"

#endif  // _WG_BUTTON_H_

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