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 // Copyright:   (c) David Webster
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #if wxUSE_HELP
  15
  16 #ifndef WX_PRECOMP
  17 #endif
  18
  19 #include "wx/os2/helpwin.h"
  20
  21 #include <time.h>
  22
  23 #include "wx/os2/private.h"
  24
  25 #include <string.h>
  26
  27 // MAX path length
  28 #define _MAXPATHLEN 500
  29
  30 // MAX length of Help descriptor
  31 #define _MAX_HELP_LEN 500
  32
  33 IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase)
  34
  35 wxWinHelpController::wxWinHelpController()
  36 {
  37     m_helpFile = wxEmptyString;
  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.empty())
  61         return false;
  62
  63     wxString str = m_helpFile;
  64     size_t len = str.length();
  65     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('.')))
  66         str += wxT(".hlp");
  67
  68     if (wxTheApp->GetTopWindow())
  69     {
  70         // TODO : display the help
  71         return true;
  72     }
  73     return false;
  74 }
  75
  76 bool wxWinHelpController::DisplaySection(int WXUNUSED(section))
  77 {
  78     // Use context number
  79     if (m_helpFile.empty())
  80         return false;
  81
  82     wxString str = m_helpFile;
  83     size_t len = str.length();
  84     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('.')))
  85       str += wxT(".hlp");
  86
  87     if (wxTheApp->GetTopWindow())
  88     {
  89         // TODO ::
  90         //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)section);
  91         return true;
  92     }
  93
  94     return false;
  95 }
  96
  97 bool wxWinHelpController::DisplayBlock(long WXUNUSED(block))
  98 {
  99     // Use context number -- a very rough equivalent to block id!
 100     if (m_helpFile.empty())
 101         return false;
 102
 103     wxString str = m_helpFile;
 104     size_t len = str.length();
 105     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('.')))
 106       str += wxT(".hlp");
 107
 108     if (wxTheApp->GetTopWindow())
 109     {
 110         // TODO:
 111         //  WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_CONTEXT, (DWORD)block);
 112         return true;
 113     }
 114     return false;
 115 }
 116
 117 bool wxWinHelpController::KeywordSearch(const wxString& WXUNUSED(k),
 118                                         wxHelpSearchMode WXUNUSED(mode))
 119 {
 120     if (m_helpFile == wxEmptyString) return false;
 121
 122     wxString str = m_helpFile;
 123     size_t len = str.length();
 124     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('.')))
 125       str += wxT(".hlp");
 126
 127     if (wxTheApp->GetTopWindow())
 128     {
 129       // TODO:
 130       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const wxChar*) str, HELP_PARTIALKEY, (DWORD)(const wxChar*) k);
 131       return true;
 132     }
 133     return false;
 134 }
 135
 136 // Can't close the help window explicitly in WinHelp
 137 bool wxWinHelpController::Quit()
 138 {
 139     if (wxTheApp->GetTopWindow())
 140     {
 141       // TODO:
 142       // WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L);
 143       return true;
 144     }
 145
 146     return false;
 147 }
 148
 149 void wxWinHelpController::OnQuit()
 150 {
 151 }
 152
 153 #endif // wxUSE_HELP