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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#ifndef Win32_Window_INCLUDE_ONCE
#define Win32_Window_INCLUDE_ONCE

#include <vlGraphics/OpenGLContext.hpp>
#include <vlWin32/Win32Context.hpp>
#include <map>

namespace vlWin32
{
//-----------------------------------------------------------------------------
  VLWIN32_EXPORT int messageLoop();
  VLWIN32_EXPORT void peekMessage(MSG& msg);
  VLWIN32_EXPORT void dispatchUpdate();
//-----------------------------------------------------------------------------
// Win32Window
//-----------------------------------------------------------------------------
  class VLWIN32_EXPORT Win32Window: public Win32Context
  {
  public:
    static LONG WINAPI WindowProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);

  public:
    Win32Window();
    ~Win32Window();

    bool initWin32GLWindow(HWND parent, HGLRC share_context, const vl::String& title, const vl::OpenGLContextFormat& fmt, int x=0, int y=0, int width=640, int height=480);

    void destroyWin32GLWindow();

    HWND  hwnd()  const { return mHWND;  }

    DWORD style() const { return mStyle; }

    void setStyle(DWORD style) { mStyle = style; }

    DWORD exStyle() const { return mStyle; }

    void setExStyle(DWORD ex_style) { mStyle = ex_style; }

    const wchar_t* windowClassName() const { return mWindowClassName; }

    void setWindowClassName(const wchar_t* name) { mWindowClassName = name; }

  protected:
    int   mMouseDownCount;
    HWND  mHWND;
    DWORD mStyle;
    DWORD mExStyle;
    const wchar_t* mWindowClassName;
    
    // *** static members start here ***

  public:
    static Win32Window* getWindow(HWND hWnd);
    static const std::map< HWND, Win32Window* >& winMap() { return mWinMap; }

  protected:
    static std::map< HWND, Win32Window* > mWinMap;
  };
//-----------------------------------------------------------------------------
  VLWIN32_EXPORT void translateKeyEvent(WPARAM wParam, LPARAM lParam, unsigned short& unicode_out, vl::EKey& key_out);
//-----------------------------------------------------------------------------
}

#endif