/////////////////////////////////////////////////////////////////////////////// Name:        wx/msw/helpbest.h// Purpose:     Tries to load MS HTML Help, falls back to wxHTML upon failure// Author:      Mattia Barbon// Modified by:// Created:     02/04/2001// RCS-ID:      $Id: helpbest.h,v 1.17 2006/05/29 14:51:42 VZ Exp $// Copyright:   (c) Mattia Barbon// Licence:     wxWindows licence/////////////////////////////////////////////////////////////////////////////#ifndef _WX_HELPBEST_H_#define _WX_HELPBEST_H_#if wxUSE_HELP && wxUSE_MS_HTML_HELP \    && wxUSE_WXHTML_HELP && !defined(__WXUNIVERSAL__)#include "wx/helpbase.h"#include "wx/html/helpfrm.h"        // for wxHF_DEFAULT_STYLEclass WXDLLIMPEXP_HTML wxBestHelpController: public wxHelpControllerBase{public:    wxBestHelpController(wxWindow* parentWindow = NULL,                         int style = wxHF_DEFAULT_STYLE)        : wxHelpControllerBase(parentWindow),          m_helpControllerType(wxUseNone),          m_helpController(NULL),          m_style(style)    {    }    virtual ~wxBestHelpController() { delete m_helpController; }    // Must call this to set the filename    virtual bool Initialize(const wxString& file);    virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) { return Initialize( file ); }    // If file is "", reloads file given in Initialize    virtual bool LoadFile(const wxString& file = wxEmptyString)    {        return m_helpController->LoadFile( GetValidFilename( file ) );    }    virtual bool DisplayContents()    {        return m_helpController->DisplayContents();    }    virtual bool DisplaySection(int sectionNo)    {        return m_helpController->DisplaySection( sectionNo );    }    virtual bool DisplaySection(const wxString& section)    {        return m_helpController->DisplaySection( section );    }    virtual bool DisplayBlock(long blockNo)    {        return m_helpController->DisplayBlock( blockNo );    }    virtual bool DisplayContextPopup(int contextId)    {        return m_helpController->DisplayContextPopup( contextId );    }    virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos)    {        return m_helpController->DisplayTextPopup( text, pos );    }    virtual bool KeywordSearch(const wxString& k,                               wxHelpSearchMode mode = wxHELP_SEARCH_ALL)    {        return m_helpController->KeywordSearch( k, mode );    }    virtual bool Quit()    {        return m_helpController->Quit();    }    // Allows one to override the default settings for the help frame.    virtual void SetFrameParameters(const wxString& title,                                    const wxSize& size,                                    const wxPoint& pos = wxDefaultPosition,                                    bool newFrameEachTime = false)    {        m_helpController->SetFrameParameters( title, size, pos,                                              newFrameEachTime );    }    // Obtains the latest settings used by the help frame and the help frame.    virtual wxFrame *GetFrameParameters(wxSize *size = NULL,                                        wxPoint *pos = NULL,                                        bool *newFrameEachTime = NULL)    {        return m_helpController->GetFrameParameters( size, pos,                                                     newFrameEachTime );    }    /// Set the window that can optionally be used for the help window's parent.    virtual void SetParentWindow(wxWindow* win) { m_helpController->SetParentWindow(win); }    /// Get the window that can optionally be used for the help window's parent.    virtual wxWindow* GetParentWindow() const { return m_helpController->GetParentWindow(); }protected:    // Append/change extension if necessary.    wxString GetValidFilename(const wxString& file) const;protected:    enum HelpControllerType { wxUseNone, wxUseHtmlHelp, wxUseChmHelp };    HelpControllerType m_helpControllerType;    wxHelpControllerBase* m_helpController;    int m_style;    DECLARE_DYNAMIC_CLASS(wxBestHelpController)    DECLARE_NO_COPY_CLASS(wxBestHelpController)};#endif // wxUSE_HELP && wxUSE_MS_HTML_HELP && wxUSE_WXHTML_HELP#endif    // _WX_HELPBEST_H_