Author: Andreas Metzler
Description: Invoke sensible-browser instead of using 
 wxLaunchDefaultBrowser(). The latter does not work on e.g. windowmaker.

diff -NurBbp hugin-2010.4.0/src/hugin1/hugin/MainFrame.cpp b/src/hugin1/hugin/MainFrame.cpp
--- hugin-2010.4.0/src/hugin1/hugin/MainFrame.cpp	2010-11-26 20:29:24.000000000 +0100
+++ b/src/hugin1/hugin/MainFrame.cpp	2010-11-27 12:03:02.000000000 +0100
@@ -1103,7 +1103,10 @@ void MainFrame::OnAddTimeImages( wxComma
 
 void MainFrame::OnShowDonate(wxCommandEvent & e)
 {
-    wxLaunchDefaultBrowser(wxT("http://sourceforge.net/project/project_donations.php?group_id=77506"));
+  wxString cmd = wxT("sensible-browser http://sourceforge.net/project/project_donations.php?group_id=77506");
+
+  wxExecute(cmd, wxEXEC_ASYNC);
+    /* wxLaunchDefaultBrowser(wxT("http://sourceforge.net/project/project_donations.php?group_id=77506")); */
 }
 
 
@@ -1239,7 +1242,9 @@ void MainFrame::DisplayHelp(wxString sec
         return;
     }
     DEBUG_INFO("help file: " << strFile.mb_str(wxConvLocal));
-    if(!wxLaunchDefaultBrowser(strFile))
+    /* if(!wxLaunchDefaultBrowser(strFile)) */
+    wxString cmd = wxT("sensible-browser ") + strFile;
+    if (!::wxExecute(cmd, wxEXEC_ASYNC))
     {
         wxLogError(_("Can't start system's web browser"));
     }