include/wx/msw/helpbest.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpbest.h
   3 // Purpose:     Tries to load MS HTML Help, falls back to wxHTML upon failure
   4 // Author:      Mattia Barbon
   5 // Modified by:
   6 // Created:     02/04/2001
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Mattia Barbon
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef _WX_HELPBEST_H_
  13 #define _WX_HELPBEST_H_
  14
  15 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  16 #pragma interface "helpbest.h"
  17 #endif
  18
  19 #if wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) && wxUSE_WXHTML_HELP
  20
  21 #include "wx/helpbase.h"
  22
  23 class WXDLLIMPEXP_HTML wxBestHelpController: public wxHelpControllerBase
  24 {
  25 public:
  26     wxBestHelpController()
  27         : m_helpControllerType( wxUseNone ),
  28           m_helpController( NULL )
  29     {
  30     }
  31
  32     virtual ~wxBestHelpController() { delete m_helpController; }
  33
  34     // Must call this to set the filename
  35     virtual bool Initialize(const wxString& file);
  36
  37     // If file is "", reloads file given in Initialize
  38     virtual bool LoadFile(const wxString& file = wxEmptyString)
  39     {
  40         return m_helpController->LoadFile( GetValidFilename( file ) );
  41     }
  42
  43     virtual bool DisplayContents()
  44     {
  45         return m_helpController->DisplayContents();
  46     }
  47
  48     virtual bool DisplaySection(int sectionNo)
  49     {
  50         return m_helpController->DisplaySection( sectionNo );
  51     }
  52
  53     virtual bool DisplaySection(const wxString& section)
  54     {
  55         return m_helpController->DisplaySection( section );
  56     }
  57
  58     virtual bool DisplayBlock(long blockNo)
  59     {
  60         return m_helpController->DisplayBlock( blockNo );
  61     }
  62
  63     virtual bool DisplayContextPopup(int contextId)
  64     {
  65         return m_helpController->DisplayContextPopup( contextId );
  66     }
  67
  68     virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos)
  69     {
  70         return m_helpController->DisplayTextPopup( text, pos );
  71     }
  72
  73     virtual bool KeywordSearch(const wxString& k)
  74     {
  75         return m_helpController->KeywordSearch( k );
  76     }
  77
  78     virtual bool Quit()
  79     {
  80         return m_helpController->Quit();
  81     }
  82
  83     // Allows one to override the default settings for the help frame.
  84     virtual void SetFrameParameters(const wxString& title,
  85                                     const wxSize& size,
  86                                     const wxPoint& pos = wxDefaultPosition,
  87                                     bool newFrameEachTime = FALSE)
  88     {
  89         m_helpController->SetFrameParameters( title, size, pos,
  90                                               newFrameEachTime );
  91     }
  92
  93     // Obtains the latest settings used by the help frame and the help frame.
  94     virtual wxFrame *GetFrameParameters(wxSize *size = NULL,
  95                                         wxPoint *pos = NULL,
  96                                         bool *newFrameEachTime = NULL)
  97     {
  98         return m_helpController->GetFrameParameters( size, pos,
  99                                                      newFrameEachTime );
 100     }
 101
 102 protected:
 103     // Append/change extension if necessary.
 104     wxString GetValidFilename(const wxString& file) const;
 105
 106 protected:
 107     enum HelpControllerType { wxUseNone, wxUseHtmlHelp, wxUseChmHelp };
 108
 109     HelpControllerType m_helpControllerType;
 110     wxHelpControllerBase* m_helpController;
 111
 112     DECLARE_DYNAMIC_CLASS(wxBestHelpController)
 113     DECLARE_NO_COPY_CLASS(wxBestHelpController)
 114 };
 115
 116 #endif // wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) && wxUSE_WXHTML_HELP
 117
 118 #endif
 119     // _WX_HELPBEST_H_