MessageWindow.h

/* MessageWindow - simplifies creation of windows that exist only to receive
 * messages. */
 
#ifndef MESSAGE_WINDOW_H
#define MESSAGE_WINDOW_H
 
#include <windows.h>
 
class MessageWindow
{
  public:
    MessageWindow(const std::string& sClassName);
    ~MessageWindow();
 
    /* Run the message loop until WM_QUIT is received. */
    void Run();
 
    HWND GetHwnd() { return m_hWnd; }
 
  protected:
    virtual bool HandleMessage(UINT /* msg */,
                               WPARAM /* wParam */,
                               LPARAM /* lParam */)
    {
        return false;
    }
    void StopRunning();
 
  private:
    static LRESULT CALLBACK WndProc(HWND hWnd,
                                    UINT msg,
                                    WPARAM wParam,
                                    LPARAM lParam);
    HWND m_hWnd;
    bool m_bDone;
};
 
#endif