wg_editbox.h

// wg_editbox.h
//
// CEditBox 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_EDITBOX_H_
#define _WG_EDITBOX_H_

#include "wg_window.h"
#include "wg_painter.h"
#include "wg_renderedstring.h"
#include "wg_timer.h"
#include "wg_resources.h"
#include <memory>


namespace wGui
{



class CEditBox : public CWindow
{
public:
     CEditBox(const CRect& WindowRect, CWindow* pParent, CFontEngine* pFontEngine = 0);

     virtual ~CEditBox(void);

     void SetUsePasswordMask(bool bUseMask) { m_bUseMask = bUseMask; }

     bool UsingPasswordMask(void) const { return m_bUseMask; }

     void SetReadOnly(bool bReadOnly);

     bool IsReadOnly(void) const { return m_bReadOnly; }

     std::wstring GetSelText(void) const;

     void SetSelection(std::wstring::size_type iSelStart, int iSelLength);

     virtual std::wstring::size_type GetSelectionStart(void) const { return m_SelStart; }

     virtual int GetSelectionLength(void) const { return m_SelLength; }

     virtual std::wstring::size_type GetIndexFromPoint(const CPoint& Point) const; 


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

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

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


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


protected:

     void SelDelete(std::wstring* psString);

     CFontEngine* m_pFontEngine; 
     std::auto_ptr<CRenderedString> m_pRenderedString; 
     unsigned char m_FontSize;  
     std::wstring::size_type m_SelStart;  
     int m_SelLength;  
     std::wstring::size_type m_DragStart;  
     mutable int m_ScrollOffset;  
     bool m_bReadOnly;  
     bool m_bMouseDown; 
     bool m_bUseMask; 
     bool m_bLastMouseMoveInside;  


private:
     void operator=(CEditBox) { }  
     bool m_bDrawCursor;
     CTimer* m_pDblClickTimer; 
     CTimer* m_pCursorTimer; 
};

}


#include "unit_tests/wg_editbox_unittests.h"

#endif // _WG_EDITBOX_H_

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