| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: helpwin.cpp |
| 3 | // Purpose: Help system: WinHelp implementation |
| 4 | // Author: Julian Smart |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart and Markus Holzem |
| 9 | // Licence: wxWindows license |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | #pragma implementation "helpwin.h" |
| 14 | #endif |
| 15 | |
| 16 | // For compilers that support precompilation, includes "wx.h". |
| 17 | #include "wx/wxprec.h" |
| 18 | |
| 19 | #ifdef __BORLANDC__ |
| 20 | #pragma hdrstop |
| 21 | #endif |
| 22 | |
| 23 | #ifndef WX_PRECOMP |
| 24 | #include "wx/defs.h" |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/msw/helpwin.h" |
| 28 | |
| 29 | #if wxUSE_HELP |
| 30 | #include <time.h> |
| 31 | |
| 32 | #ifdef __WXMSW__ |
| 33 | #include <wx/msw/private.h> |
| 34 | #endif |
| 35 | |
| 36 | #include <string.h> |
| 37 | |
| 38 | // MAX path length |
| 39 | #define _MAXPATHLEN 500 |
| 40 | |
| 41 | // MAX length of Help descriptor |
| 42 | #define _MAX_HELP_LEN 500 |
| 43 | |
| 44 | #if !USE_SHARED_LIBRARY |
| 45 | IMPLEMENT_DYNAMIC_CLASS(wxWinHelpController, wxHelpControllerBase) |
| 46 | #endif |
| 47 | |
| 48 | wxWinHelpController::wxWinHelpController(void) |
| 49 | { |
| 50 | m_helpFile = ""; |
| 51 | } |
| 52 | |
| 53 | wxWinHelpController::~wxWinHelpController(void) |
| 54 | { |
| 55 | } |
| 56 | |
| 57 | bool wxWinHelpController::Initialize(const wxString& filename) |
| 58 | { |
| 59 | m_helpFile = filename; |
| 60 | return TRUE; |
| 61 | } |
| 62 | |
| 63 | bool wxWinHelpController::LoadFile(const wxString& file) |
| 64 | { |
| 65 | m_helpFile = file; |
| 66 | return TRUE; |
| 67 | } |
| 68 | |
| 69 | bool wxWinHelpController::DisplayContents(void) |
| 70 | { |
| 71 | if (m_helpFile == "") return FALSE; |
| 72 | |
| 73 | wxString str = m_helpFile; |
| 74 | size_t len = str.Length(); |
| 75 | if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.')) |
| 76 | str += ".hlp"; |
| 77 | |
| 78 | if (wxTheApp->GetTopWindow()) |
| 79 | { |
| 80 | #if defined(__WIN95__) |
| 81 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const char*) str, HELP_FINDER, 0L); |
| 82 | #else |
| 83 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const char*) str, HELP_CONTENTS, 0L); |
| 84 | #endif |
| 85 | return TRUE; |
| 86 | } |
| 87 | return FALSE; |
| 88 | } |
| 89 | |
| 90 | bool wxWinHelpController::DisplaySection(int section) |
| 91 | { |
| 92 | // Use context number |
| 93 | if (m_helpFile == "") return FALSE; |
| 94 | |
| 95 | wxString str = m_helpFile; |
| 96 | size_t len = str.Length(); |
| 97 | if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.')) |
| 98 | str += ".hlp"; |
| 99 | |
| 100 | if (wxTheApp->GetTopWindow()) |
| 101 | { |
| 102 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const char*) str, HELP_CONTEXT, (DWORD)section); |
| 103 | return TRUE; |
| 104 | } |
| 105 | return FALSE; |
| 106 | } |
| 107 | |
| 108 | bool wxWinHelpController::DisplayBlock(long block) |
| 109 | { |
| 110 | // Use context number -- a very rough equivalent to block id! |
| 111 | if (m_helpFile == "") return FALSE; |
| 112 | |
| 113 | wxString str = m_helpFile; |
| 114 | size_t len = str.Length(); |
| 115 | if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.')) |
| 116 | str += ".hlp"; |
| 117 | |
| 118 | if (wxTheApp->GetTopWindow()) |
| 119 | { |
| 120 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const char*) str, HELP_CONTEXT, (DWORD)block); |
| 121 | return TRUE; |
| 122 | } |
| 123 | return FALSE; |
| 124 | } |
| 125 | |
| 126 | bool wxWinHelpController::KeywordSearch(const wxString& k) |
| 127 | { |
| 128 | if (m_helpFile == "") return FALSE; |
| 129 | |
| 130 | wxString str = m_helpFile; |
| 131 | size_t len = str.Length(); |
| 132 | if (!(str[(size_t)(len-1)] == 'p' && str[(size_t)(len-2)] == 'l' && str[(size_t)(len-3)] == 'h' && str[(size_t)(len-4)] == '.')) |
| 133 | str += ".hlp"; |
| 134 | |
| 135 | if (wxTheApp->GetTopWindow()) |
| 136 | { |
| 137 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), (const char*) str, HELP_PARTIALKEY, (DWORD)(const char*) k); |
| 138 | return TRUE; |
| 139 | } |
| 140 | return FALSE; |
| 141 | } |
| 142 | |
| 143 | // Can't close the help window explicitly in WinHelp |
| 144 | bool wxWinHelpController::Quit(void) |
| 145 | { |
| 146 | if (wxTheApp->GetTopWindow()) |
| 147 | { |
| 148 | WinHelp((HWND) wxTheApp->GetTopWindow()->GetHWND(), 0, HELP_QUIT, 0L); |
| 149 | return TRUE; |
| 150 | } |
| 151 | else |
| 152 | return FALSE; |
| 153 | } |
| 154 | |
| 155 | // Don't get notified of WinHelp quitting |
| 156 | void wxWinHelpController::OnQuit(void) |
| 157 | { |
| 158 | } |
| 159 | |
| 160 | #endif // wxUSE_HELP |