src/os2/helpwin.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/os2/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 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #if wxUSE_HELP
  16
  17 #ifndef WX_PRECOMP
  18 #endif
  19
  20 #include "wx/os2/helpwin.h"
  21
  22 #include <time.h>
  23
  24 #include "wx/os2/private.h"
  25
  26 #include <string.h>
  27
  28 // MAX path length
  29 #define _MAXPATHLEN 500
  30
  31 // MAX length of Help descriptor
  32 #define _MAX_HELP_LEN 500
  33
  34 IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
  35
  36 wxWinHelpController::wxWinHelpController()
  37 {
  38     m_helpFile = wxEmptyString;
  39 }
  40
  41 wxWinHelpController::~wxWinHelpController()
  42 {
  43 }
  44
  45 bool wxWinHelpController::Initialize(const wxString& filename)
  46 {
  47     m_helpFile = filename;
  48     // TODO any other inits
  49     return true;
  50 }
  51
  52 bool wxWinHelpController::LoadFile(const wxString& file)
  53 {
  54     m_helpFile = file;
  55     // TODO
  56     return true;
  57 }
  58
  59 bool wxWinHelpController::DisplayContents()
  60 {
  61     if (m_helpFile.empty())
  62         return false;
  63
  64     wxString str = m_helpFile;
  65     size_t len = str.length();
  66     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('.')))
  67         str += wxT(".hlp");
  68
  69     if (wxTheApp->GetTopWindow())
  70     {
  71         // TODO : display the help
  72         return true;
  73     }
  74     return false;
  75 }
  76
  77 bool wxWinHelpController::DisplaySection(int WXUNUSED(section))
  78 {
  79     // Use context number
  80     if (m_helpFile.empty())
  81         return false;
  82
  83     wxString str = m_helpFile;
  84     size_t len = str.length();
  85     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('.')))
  86       str += wxT(".hlp");
  87
  88     if (wxTheApp->GetTopWindow())
  89     {
  90         // TODO ::
  91         //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section);
  92         return true;
  93     }
  94
  95     return false;
  96 }
  97
  98 bool wxWinHelpController::DisplayBlock(long WXUNUSED(block))
  99 {
 100     // Use context number -- a very rough equivalent to block id!
 101     if (m_helpFile.empty())
 102         return false;
 103
 104     wxString str = m_helpFile;
 105     size_t len = str.length();
 106     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('.')))
 107       str += wxT(".hlp");
 108
 109     if (wxTheApp->GetTopWindow())
 110     {
 111         // TODO:
 112         //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)block);
 113         return true;
 114     }
 115     return false;
 116 }
 117
 118 bool wxWinHelpController::KeywordSearch(const wxString& WXUNUSED(k),
 119                                         wxHelpSearchMode WXUNUSED(mode))
 120 {
 121     if (m_helpFile == wxEmptyString) return false;
 122
 123     wxString str = m_helpFile;
 124     size_t len = str.length();
 125     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('.')))
 126       str += wxT(".hlp");
 127
 128     if (wxTheApp->GetTopWindow())
 129     {
 130       // TODO:
 131       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k);
 132       return true;
 133     }
 134     return false;
 135 }
 136
 137 // Can't close the help window explicitly in WinHelp
 138 bool wxWinHelpController::Quit()
 139 {
 140     if (wxTheApp->GetTopWindow())
 141     {
 142       // TODO:
 143       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L);
 144       return true;
 145     }
 146
 147     return false;
 148 }
 149
 150 void wxWinHelpController::OnQuit()
 151 {
 152 }
 153
 154 #endif // wxUSE_HELP