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 wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) \
  16     && wxUSE_WXHTML_HELP && !defined(__WXUNIVERSAL__)
  17
  18 #include "wx/helpbase.h"
  19
  20 class WXDLLIMPEXP_HTML wxBestHelpController: public wxHelpControllerBase
  21 {
  22 public:
  23     wxBestHelpController()
  24         : m_helpControllerType( wxUseNone ),
  25           m_helpController( NULL )
  26     {
  27     }
  28
  29     virtual ~wxBestHelpController() { delete m_helpController; }
  30
  31     // Must call this to set the filename
  32     virtual bool Initialize(const wxString& file);
  33     virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) { return Initialize( file ); }
  34
  35     // If file is "", reloads file given in Initialize
  36     virtual bool LoadFile(const wxString& file = wxEmptyString)
  37     {
  38         return m_helpController->LoadFile( GetValidFilename( file ) );
  39     }
  40
  41     virtual bool DisplayContents()
  42     {
  43         return m_helpController->DisplayContents();
  44     }
  45
  46     virtual bool DisplaySection(int sectionNo)
  47     {
  48         return m_helpController->DisplaySection( sectionNo );
  49     }
  50
  51     virtual bool DisplaySection(const wxString& section)
  52     {
  53         return m_helpController->DisplaySection( section );
  54     }
  55
  56     virtual bool DisplayBlock(long blockNo)
  57     {
  58         return m_helpController->DisplayBlock( blockNo );
  59     }
  60
  61     virtual bool DisplayContextPopup(int contextId)
  62     {
  63         return m_helpController->DisplayContextPopup( contextId );
  64     }
  65
  66     virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos)
  67     {
  68         return m_helpController->DisplayTextPopup( text, pos );
  69     }
  70
  71     virtual bool KeywordSearch(const wxString& k,
  72                                wxHelpSearchMode mode = wxHELP_SEARCH_ALL)
  73     {
  74         return m_helpController->KeywordSearch( k, mode );
  75     }
  76
  77     virtual bool Quit()
  78     {
  79         return m_helpController->Quit();
  80     }
  81
  82     // Allows one to override the default settings for the help frame.
  83     virtual void SetFrameParameters(const wxString& title,
  84                                     const wxSize& size,
  85                                     const wxPoint& pos = wxDefaultPosition,
  86                                     bool newFrameEachTime = false)
  87     {
  88         m_helpController->SetFrameParameters( title, size, pos,
  89                                               newFrameEachTime );
  90     }
  91
  92     // Obtains the latest settings used by the help frame and the help frame.
  93     virtual wxFrame *GetFrameParameters(wxSize *size = NULL,
  94                                         wxPoint *pos = NULL,
  95                                         bool *newFrameEachTime = NULL)
  96     {
  97         return m_helpController->GetFrameParameters( size, pos,
  98                                                      newFrameEachTime );
  99     }
 100
 101 protected:
 102     // Append/change extension if necessary.
 103     wxString GetValidFilename(const wxString& file) const;
 104
 105 protected:
 106     enum HelpControllerType { wxUseNone, wxUseHtmlHelp, wxUseChmHelp };
 107
 108     HelpControllerType m_helpControllerType;
 109     wxHelpControllerBase* m_helpController;
 110
 111     DECLARE_DYNAMIC_CLASS(wxBestHelpController)
 112     DECLARE_NO_COPY_CLASS(wxBestHelpController)
 113 };
 114
 115 #endif // wxUSE_HELP && wxUSE_MS_HTML_HELP && defined(__WIN95__) && wxUSE_WXHTML_HELP
 116
 117 #endif
 118     // _WX_HELPBEST_H_