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 #if !USE_SHARED_LIBRARY
  32 IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
  33 #endif
  34
  35 wxWinHelpController::wxWinHelpController()
  36 {
  37     m_helpFile = "";
  38 }
  39
  40 wxWinHelpController::~wxWinHelpController()
  41 {
  42 }
  43
  44 bool wxWinHelpController::Initialize(const wxString& filename)
  45 {
  46     m_helpFile = filename;
  47     // TODO any other inits
  48     return TRUE;
  49 }
  50
  51 bool wxWinHelpController::LoadFile(const wxString& file)
  52 {
  53     m_helpFile = file;
  54     // TODO
  55     return TRUE;
  56 }
  57
  58 bool wxWinHelpController::DisplayContents()
  59 {
  60     if (m_helpFile == wxT("")) return FALSE;
  61
  62     wxString str = m_helpFile;
  63     size_t len = str.Length();
  64     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('.')))
  65       str += wxT(".hlp");
  66
  67     if (wxTheApp->GetTopWindow())
  68     {
  69     // TODO : display the help
  70      return TRUE;
  71     }
  72         return FALSE;
  73 }
  74
  75 bool wxWinHelpController::DisplaySection(int section)
  76 {
  77     // Use context number
  78     if (m_helpFile == wxT("")) return FALSE;
  79
  80     wxString str = m_helpFile;
  81     size_t len = str.Length();
  82     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('.')))
  83       str += wxT(".hlp");
  84
  85     if (wxTheApp->GetTopWindow())
  86         {
  87     // TODO ::
  88     //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section);
  89       return TRUE;
  90         }
  91     return FALSE;
  92 }
  93
  94 bool wxWinHelpController::DisplayBlock(long block)
  95 {
  96     // Use context number -- a very rough equivalent to block id!
  97     if (m_helpFile == wxT("")) return FALSE;
  98
  99     wxString str = m_helpFile;
 100     size_t len = str.Length();
 101     if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.'))
 102       str += wxT(".hlp");
 103
 104     if (wxTheApp->GetTopWindow())
 105         {
 106     // TODO:
 107     //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)block);
 108       return TRUE;
 109         }
 110     return FALSE;
 111 }
 112
 113 bool wxWinHelpController::KeywordSearch(const wxString& k)
 114 {
 115     if (m_helpFile == "") return FALSE;
 116
 117     wxString str = m_helpFile;
 118     size_t len = str.Length();
 119     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('.')))
 120       str += wxT(".hlp");
 121
 122     if (wxTheApp->GetTopWindow())
 123     {
 124       // TODO:
 125       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k);
 126       return TRUE;
 127     }
 128     return FALSE;
 129 }
 130
 131 // Can't close the help window explicitly in WinHelp
 132 bool wxWinHelpController::Quit()
 133 {
 134   if (wxTheApp->GetTopWindow())
 135   {
 136     // TODO:
 137     // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L);
 138     return TRUE;
 139   }
 140   else
 141     return FALSE;
 142 }
 143
 144 void wxWinHelpController::OnQuit()
 145 {
 146 }
 147 #endif // wxUSE_HELP
 148