| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: helpext.cpp |
| 3 | // Purpose: an external help controller for wxWindows |
| 4 | // Author: Karsten Ballueder |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Karsten Ballueder |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #ifdef __GNUG__ |
| 13 | # pragma implementation "wxexthlp.h" |
| 14 | #endif |
| 15 | |
| 16 | #include "wx/wxprec.h" |
| 17 | |
| 18 | #ifdef __BORLANDC__ |
| 19 | #pragma hdrstop |
| 20 | #endif |
| 21 | |
| 22 | #if wxUSE_HELP |
| 23 | |
| 24 | #ifndef WX_PRECOMP |
| 25 | #include "wx/setup.h" |
| 26 | #include "wx/string.h" |
| 27 | #include "wx/utils.h" |
| 28 | #include "wx/list.h" |
| 29 | #include "wx/intl.h" |
| 30 | #endif |
| 31 | |
| 32 | #include "wx/helpbase.h" |
| 33 | #include "wx/generic/helpext.h" |
| 34 | |
| 35 | #include <stdio.h> |
| 36 | #include <ctype.h> |
| 37 | #include <sys/stat.h> |
| 38 | |
| 39 | #if !defined(__WINDOWS__) && !defined(__OS2__) |
| 40 | #include <unistd.h> |
| 41 | #endif |
| 42 | |
| 43 | IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase) |
| 44 | |
| 45 | /** |
| 46 | This class implements help via an external browser. |
| 47 | It requires the name of a directory containing the documentation |
| 48 | and a file mapping numerical Section numbers to relative URLS. |
| 49 | */ |
| 50 | |
| 51 | wxExtHelpController::wxExtHelpController(void) |
| 52 | { |
| 53 | m_BrowserName = WXEXTHELP_DEFAULTBROWSER; |
| 54 | m_BrowserIsNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE; |
| 55 | |
| 56 | char *browser = getenv(WXEXTHELP_ENVVAR_BROWSER); |
| 57 | if(browser) |
| 58 | { |
| 59 | m_BrowserName = browser; |
| 60 | browser = getenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE); |
| 61 | m_BrowserIsNetscape = browser && (atoi(browser) != 0); |
| 62 | } |
| 63 | } |
| 64 | |
| 65 | |
| 66 | void |
| 67 | wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape) |
| 68 | { |
| 69 | m_BrowserName = browsername; |
| 70 | m_BrowserIsNetscape = isNetscape; |
| 71 | } |
| 72 | |
| 73 | // Set viewer: new, generic name for SetBrowser |
| 74 | void wxExtHelpController::SetViewer(const wxString& viewer, long flags) |
| 75 | { |
| 76 | SetBrowser(viewer, ((flags & wxHELP_NETSCAPE) == wxHELP_NETSCAPE)); |
| 77 | } |
| 78 | |
| 79 | bool |
| 80 | wxExtHelpController::DisplayHelp(wxString const &relativeURL) |
| 81 | { |
| 82 | wxBusyCursor b; // display a busy cursor |
| 83 | |
| 84 | |
| 85 | #if defined(__WXMSW__) |
| 86 | wxString url; |
| 87 | url << m_MapFile << '\\' << relativeURL.BeforeFirst('#'); |
| 88 | bool bOk = (int)ShellExecute(NULL, "open", url, |
| 89 | NULL, NULL, SW_SHOWNORMAL ) > 32; |
| 90 | if ( !bOk ) |
| 91 | { |
| 92 | wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str()); |
| 93 | return false; |
| 94 | } |
| 95 | else |
| 96 | return true; |
| 97 | #elif defined(__WXPM__) |
| 98 | wxString url; |
| 99 | url << m_MapFile << '\\' << relativeURL.BeforeFirst('#'); |
| 100 | // will have to fix for OS/2, later.....DW |
| 101 | // bool bOk = (int)ShellExecute(NULL, "open", url, |
| 102 | // NULL, NULL, SW_SHOWNORMAL ) > 32; |
| 103 | // if ( !bOk ) |
| 104 | // { |
| 105 | // wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str()); |
| 106 | // return false; |
| 107 | // } |
| 108 | // else |
| 109 | return TRUE; |
| 110 | #else |
| 111 | // assume UNIX |
| 112 | wxString command; |
| 113 | |
| 114 | if(m_BrowserIsNetscape) // try re-loading first |
| 115 | { |
| 116 | wxString lockfile; |
| 117 | wxGetHomeDir(&lockfile); |
| 118 | #ifdef __VMS__ |
| 119 | lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape]lock."); |
| 120 | struct stat statbuf; |
| 121 | if(stat(lockfile.fn_str(), &statbuf) == 0) |
| 122 | #else |
| 123 | lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape/lock"); |
| 124 | struct stat statbuf; |
| 125 | if(lstat(lockfile.fn_str(), &statbuf) == 0) |
| 126 | // cannot use wxFileExists, because it's a link pointing to a |
| 127 | // non-existing location if(wxFileExists(lockfile)) |
| 128 | #endif |
| 129 | { |
| 130 | long success; |
| 131 | command << m_BrowserName << wxT(" -remote openURL(") |
| 132 | << wxT("file://") << m_MapFile |
| 133 | << WXEXTHELP_SEPARATOR << relativeURL << wxT(")"); |
| 134 | success = wxExecute(command); |
| 135 | if(success != 0 ) // returns PID on success |
| 136 | return TRUE; |
| 137 | } |
| 138 | } |
| 139 | command = m_BrowserName; |
| 140 | command << wxT(" file://") |
| 141 | << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL; |
| 142 | return wxExecute(command) != 0; |
| 143 | #endif |
| 144 | } |
| 145 | |
| 146 | #endif // wxUSE_HELP |
| 147 | |