X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/583f6c5cb5aba1b8a79ec83532ee247396aded97..6f7c5199ed9bc29507d426b13db9346bf1860005:/src/generic/helpext.cpp

diff --git a/src/generic/helpext.cpp b/src/generic/helpext.cpp
index 838d373f04..f6e3add7b5 100644
--- a/src/generic/helpext.cpp
+++ b/src/generic/helpext.cpp
@@ -46,6 +46,11 @@
 
 IMPLEMENT_CLASS(wxExtHelpController, wxHTMLHelpControllerBase)
 
+/// Name of environment variable to set help browser.
+#define   WXEXTHELP_ENVVAR_BROWSER   wxT("WX_HELPBROWSER")
+/// Is browser a netscape browser?
+#define   WXEXTHELP_ENVVAR_BROWSERISNETSCAPE wxT("WX_HELPBROWSER_NS")
+
 /**
    This class implements help via an external browser.
    It requires the name of a directory containing the documentation
@@ -57,18 +62,17 @@ wxExtHelpController::wxExtHelpController(void)
    m_BrowserName = WXEXTHELP_DEFAULTBROWSER;
    m_BrowserIsNetscape = WXEXTHELP_DEFAULTBROWSER_IS_NETSCAPE;
 
-   char *browser = getenv(WXEXTHELP_ENVVAR_BROWSER);
+   wxChar *browser = wxGetenv(WXEXTHELP_ENVVAR_BROWSER);
    if(browser)
    {
       m_BrowserName = browser;
-      browser = getenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE);
-      m_BrowserIsNetscape = browser && (atoi(browser) != 0);
+      browser = wxGetenv(WXEXTHELP_ENVVAR_BROWSERISNETSCAPE);
+      m_BrowserIsNetscape = browser && (wxAtoi(browser) != 0);
    }
 }
 
 
-void
-wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape)
+void wxExtHelpController::SetBrowser(wxString const & browsername, bool isNetscape)
 {
    m_BrowserName = browsername;
    m_BrowserIsNetscape = isNetscape;
@@ -81,7 +85,7 @@ void wxExtHelpController::SetViewer(const wxString& viewer, long flags)
 }
 
 bool
-wxExtHelpController::DisplayHelp(wxString const &relativeURL)
+wxExtHelpController::DisplayHelp(const wxString &relativeURL)
 {
    wxBusyCursor b; // display a busy cursor
 
@@ -89,7 +93,7 @@ wxExtHelpController::DisplayHelp(wxString const &relativeURL)
 #if defined(__WXMSW__)
    wxString url;
    url << m_MapFile << '\\' << relativeURL.BeforeFirst('#');
-   bool bOk = (int)ShellExecute(NULL, "open", url,
+   bool bOk = (int)ShellExecute(NULL, wxT("open"), url.c_str(),
                                 NULL, NULL, SW_SHOWNORMAL ) > 32;
    if ( !bOk )
    {
@@ -98,7 +102,9 @@ wxExtHelpController::DisplayHelp(wxString const &relativeURL)
    }
    else
       return true;
+
 #elif  defined(__WXPM__)
+
    wxString url;
    url << m_MapFile << '\\' << relativeURL.BeforeFirst('#');
 //   will have to fix for OS/2, later.....DW
@@ -111,10 +117,19 @@ wxExtHelpController::DisplayHelp(wxString const &relativeURL)
 //   }
 //   else
       return TRUE;
-#else
-   // assume UNIX
+
+#elif defined(__DOS__)
+
    wxString command;
+   command = m_BrowserName;
+   command << wxT(" file://")
+           << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL;
+   return wxExecute(command) != 0;
 
+#else // UNIX
+   wxString command;
+
+#ifndef __EMX__
    if(m_BrowserIsNetscape) // try re-loading first
    {
       wxString lockfile;
@@ -130,7 +145,7 @@ wxExtHelpController::DisplayHelp(wxString const &relativeURL)
       // cannot use wxFileExists, because it's a link pointing to a
       // non-existing location      if(wxFileExists(lockfile))
 #endif
-	{
+      {
          long success;
          command << m_BrowserName << wxT(" -remote openURL(")
                  << wxT("file://") << m_MapFile
@@ -140,6 +155,7 @@ wxExtHelpController::DisplayHelp(wxString const &relativeURL)
             return TRUE;
       }
    }
+#endif
    command = m_BrowserName;
    command << wxT(" file://")
            << m_MapFile << WXEXTHELP_SEPARATOR << relativeURL;