include/wx/msw/helpbest.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/msw/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 \
  16     && wxUSE_WXHTML_HELP && !defined(__WXUNIVERSAL__)
  17
  18 #include "wx/helpbase.h"
  19 #include "wx/html/helpfrm.h"        // for wxHF_DEFAULT_STYLE
  20
  21 class WXDLLIMPEXP_HTML wxBestHelpController: public wxHelpControllerBase
  22 {
  23 public:
  24     wxBestHelpController(wxWindow* parentWindow = NULL,
  25                          int style = wxHF_DEFAULT_STYLE)
  26         : wxHelpControllerBase(parentWindow),
  27           m_helpControllerType(wxUseNone),
  28           m_helpController(NULL),
  29           m_style(style)
  30     {
  31     }
  32
  33     virtual ~wxBestHelpController() { delete m_helpController; }
  34
  35     // Must call this to set the filename
  36     virtual bool Initialize(const wxString& file);
  37     virtual bool Initialize(const wxString& file, int WXUNUSED(server) ) { return Initialize( file ); }
  38
  39     // If file is "", reloads file given in Initialize
  40     virtual bool LoadFile(const wxString& file = wxEmptyString)
  41     {
  42         return m_helpController->LoadFile( GetValidFilename( file ) );
  43     }
  44
  45     virtual bool DisplayContents()
  46     {
  47         return m_helpController->DisplayContents();
  48     }
  49
  50     virtual bool DisplaySection(int sectionNo)
  51     {
  52         return m_helpController->DisplaySection( sectionNo );
  53     }
  54
  55     virtual bool DisplaySection(const wxString& section)
  56     {
  57         return m_helpController->DisplaySection( section );
  58     }
  59
  60     virtual bool DisplayBlock(long blockNo)
  61     {
  62         return m_helpController->DisplayBlock( blockNo );
  63     }
  64
  65     virtual bool DisplayContextPopup(int contextId)
  66     {
  67         return m_helpController->DisplayContextPopup( contextId );
  68     }
  69
  70     virtual bool DisplayTextPopup(const wxString& text, const wxPoint& pos)
  71     {
  72         return m_helpController->DisplayTextPopup( text, pos );
  73     }
  74
  75     virtual bool KeywordSearch(const wxString& k,
  76                                wxHelpSearchMode mode = wxHELP_SEARCH_ALL)
  77     {
  78         return m_helpController->KeywordSearch( k, mode );
  79     }
  80
  81     virtual bool Quit()
  82     {
  83         return m_helpController->Quit();
  84     }
  85
  86     // Allows one to override the default settings for the help frame.
  87     virtual void SetFrameParameters(const wxString& title,
  88                                     const wxSize& size,
  89                                     const wxPoint& pos = wxDefaultPosition,
  90                                     bool newFrameEachTime = false)
  91     {
  92         m_helpController->SetFrameParameters( title, size, pos,
  93                                               newFrameEachTime );
  94     }
  95
  96     // Obtains the latest settings used by the help frame and the help frame.
  97     virtual wxFrame *GetFrameParameters(wxSize *size = NULL,
  98                                         wxPoint *pos = NULL,
  99                                         bool *newFrameEachTime = NULL)
 100     {
 101         return m_helpController->GetFrameParameters( size, pos,
 102                                                      newFrameEachTime );
 103     }
 104
 105     /// Set the window that can optionally be used for the help window's parent.
 106     virtual void SetParentWindow(wxWindow* win) { m_helpController->SetParentWindow(win); }
 107
 108     /// Get the window that can optionally be used for the help window's parent.
 109     virtual wxWindow* GetParentWindow() const { return m_helpController->GetParentWindow(); }
 110
 111 protected:
 112     // Append/change extension if necessary.
 113     wxString GetValidFilename(const wxString& file) const;
 114
 115 protected:
 116     enum HelpControllerType { wxUseNone, wxUseHtmlHelp, wxUseChmHelp };
 117
 118     HelpControllerType m_helpControllerType;
 119     wxHelpControllerBase* m_helpController;
 120     int m_style;
 121
 122     DECLARE_DYNAMIC_CLASS(wxBestHelpController)
 123     wxDECLARE_NO_COPY_CLASS(wxBestHelpController);
 124 };
 125
 126 #endif // wxUSE_HELP && wxUSE_MS_HTML_HELP && wxUSE_WXHTML_HELP
 127
 128 #endif
 129     // _WX_HELPBEST_H_