src/os2/helpwin.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpwin.cpp
   3 // Purpose:     Help system: native implementation
   4 // Author:      David Webster
   5 // Modified by:
   6 // Created:     10/09/99
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) David Webster
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifndef WX_PRECOMP
  13 #include "wx/defs.h"
  14 #endif
  15
  16 #include "wx/os2/helpwin.h"
  17
  18 #if wxUSE_HELP
  19 #include <time.h>
  20
  21 #include <wx/os2/private.h>
  22
  23 #include <string.h>
  24
  25 // MAX path length
  26 #define _MAXPATHLEN 500
  27
  28 // MAX length of Help descriptor
  29 #define _MAX_HELP_LEN 500
  30
  31 IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
  32
  33 wxWinHelpController::wxWinHelpController()
  34 {
  35     m_helpFile = "";
  36 }
  37
  38 wxWinHelpController::~wxWinHelpController()
  39 {
  40 }
  41
  42 bool wxWinHelpController::Initialize(const wxString& filename)
  43 {
  44     m_helpFile = filename;
  45     // TODO any other inits
  46     return TRUE;
  47 }
  48
  49 bool wxWinHelpController::LoadFile(const wxString& file)
  50 {
  51     m_helpFile = file;
  52     // TODO
  53     return TRUE;
  54 }
  55
  56 bool wxWinHelpController::DisplayContents()
  57 {
  58     if (m_helpFile == wxT("")) return FALSE;
  59
  60     wxString str = m_helpFile;
  61     size_t len = str.Length();
  62     if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
  63       str += wxT(".hlp");
  64
  65     if (wxTheApp->GetTopWindow())
  66     {
  67     // TODO : display the help
  68      return TRUE;
  69     }
  70         return FALSE;
  71 }
  72
  73 bool wxWinHelpController::DisplaySection(int section)
  74 {
  75     // Use context number
  76     if (m_helpFile == wxT("")) return FALSE;
  77
  78     wxString str = m_helpFile;
  79     size_t len = str.Length();
  80     if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
  81       str += wxT(".hlp");
  82
  83     if (wxTheApp->GetTopWindow())
  84         {
  85     // TODO ::
  86     //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section);
  87       return TRUE;
  88         }
  89     return FALSE;
  90 }
  91
  92 bool wxWinHelpController::DisplayBlock(long block)
  93 {
  94     // Use context number -- a very rough equivalent to block id!
  95     if (m_helpFile == wxT("")) return FALSE;
  96
  97     wxString str = m_helpFile;
  98     size_t len = str.Length();
  99     if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.'))
 100       str += wxT(".hlp");
 101
 102     if (wxTheApp->GetTopWindow())
 103         {
 104     // TODO:
 105     //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)block);
 106       return TRUE;
 107         }
 108     return FALSE;
 109 }
 110
 111 bool wxWinHelpController::KeywordSearch(const wxString& k)
 112 {
 113     if (m_helpFile == "") return FALSE;
 114
 115     wxString str = m_helpFile;
 116     size_t len = str.Length();
 117     if (!(str[(size_t)(len-1)] == wxT('p') && str[(size_t)(len-2)] == wxT('l') && str[(size_t)(len-3)] == wxT('h') && str[(size_t)(len-4)] == wxT('.')))
 118       str += wxT(".hlp");
 119
 120     if (wxTheApp->GetTopWindow())
 121     {
 122       // TODO:
 123       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k);
 124       return TRUE;
 125     }
 126     return FALSE;
 127 }
 128
 129 // Can't close the help window explicitly in WinHelp
 130 bool wxWinHelpController::Quit()
 131 {
 132   if (wxTheApp->GetTopWindow())
 133   {
 134     // TODO:
 135     // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L);
 136     return TRUE;
 137   }
 138   else
 139     return FALSE;
 140 }
 141
 142 void wxWinHelpController::OnQuit()
 143 {
 144 }
 145 #endif // wxUSE_HELP
 146