ae65b148b8
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_2_BRANCH@6932 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
152 lines
3.9 KiB
C++
152 lines
3.9 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: helpext.cpp
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// Purpose: an external help controller for wxWindows
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// Author: Karsten Ballueder
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Karsten Ballueder
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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# pragma implementation "wxexthlp.h"
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#endif
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#if wxUSE_HELP
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#ifndef WX_PRECOMP
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#include "wx/setup.h"
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#include "wx/string.h"
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#include "wx/utils.h"
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#include "wx/list.h"
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#include "wx/intl.h"
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#endif
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#include "wx/helpbase.h"
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#include "wx/generic/helpext.h"
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#include <stdio.h>
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#include <ctype.h>
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#include <sys/stat.h>
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#if !defined(__WINDOWS__) && !defined(__OS2__)
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#include <unistd.h>
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#endif
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#ifdef __WXMSW__
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#include <windows.h>
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#endif
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IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase)
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/**
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This class implements help via an external browser.
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It requires the name of a directory containing the documentation
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and a file mapping numerical Section numbers to relative URLS.
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*/
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wxExtHelpController::wxExtHelpController(void)
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{
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m_BrowserName = WXEXTHELP_DEFAULTBROWSER;
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m_BrowserIsNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE;
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char *browser = getenv(WXEXTHELP_ENVVAR_BROWSER);
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if(browser)
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{
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m_BrowserName = browser;
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browser = getenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE);
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m_BrowserIsNetscape = browser && (atoi(browser) != 0);
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}
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}
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void
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wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape)
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{
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m_BrowserName = browsername;
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m_BrowserIsNetscape = isNetscape;
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}
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// Set viewer: new, generic name for SetBrowser
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void wxExtHelpController::SetViewer(const wxString& viewer, long flags)
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{
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SetBrowser(viewer, ((flags & wxHELP_NETSCAPE) == wxHELP_NETSCAPE));
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}
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bool
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wxExtHelpController::DisplayHelp(wxString const &relativeURL)
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{
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wxBusyCursor b; // display a busy cursor
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#if defined(__WXMSW__)
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wxString url;
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url << m_MapFile << '\\' << relativeURL.BeforeFirst('#');
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bool bOk = (int)ShellExecute(NULL, wxT("open"), url.c_str(),
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NULL, NULL, SW_SHOWNORMAL ) > 32;
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if ( !bOk )
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{
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wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str());
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return false;
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}
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else
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return true;
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#elif defined(__WXPM__)
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wxString url;
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url << m_MapFile << '\\' << relativeURL.BeforeFirst('#');
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// will have to fix for OS/2, later.....DW
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// bool bOk = (int)ShellExecute(NULL, "open", url,
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// NULL, NULL, SW_SHOWNORMAL ) > 32;
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// if ( !bOk )
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// {
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// wxLogSysError(_("Cannot open URL '%s'"), relativeURL.c_str());
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// return false;
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// }
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// else
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return TRUE;
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#else
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// assume UNIX
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wxString command;
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if(m_BrowserIsNetscape) // try re-loading first
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{
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wxString lockfile;
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wxGetHomeDir(&lockfile);
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#ifdef __VMS__
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lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape]lock.");
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struct stat statbuf;
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if(stat(lockfile.fn_str(), &statbuf) == 0)
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#else
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lockfile << WXEXTHELP_SEPARATOR << wxT(".netscape/lock");
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struct stat statbuf;
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if(lstat(lockfile.fn_str(), &statbuf) == 0)
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// cannot use wxFileExists, because it's a link pointing to a
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// non-existing location if(wxFileExists(lockfile))
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#endif
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{
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long success;
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command << m_BrowserName << wxT(" -remote openURL(")
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<< wxT("file://") << m_MapFile
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<< WXEXTHELP_SEPARATOR << relativeURL << wxT(")");
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success = wxExecute(command);
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if(success != 0 ) // returns PID on success
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return TRUE;
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}
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}
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command = m_BrowserName;
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command << wxT(" file://")
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<< m_MapFile << WXEXTHELP_SEPARATOR << relativeURL;
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return wxExecute(command) != 0;
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#endif
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}
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#endif // wxUSE_HELP
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