X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/aaa6d89a0d0810b001a9217df913b9b74b883c8d..a4ea083bbdf710d3234dcbd2eafb5d0e078f8348:/src/common/sysopt.cpp

diff --git a/src/common/sysopt.cpp b/src/common/sysopt.cpp
index cb3c3429bb..ede2e7a547 100644
--- a/src/common/sysopt.cpp
+++ b/src/common/sysopt.cpp
@@ -4,7 +4,6 @@
 // Author:      Julian Smart
 // Modified by:
 // Created:     2001-07-10
-// RCS-ID:      $Id$
 // Copyright:   (c) Julian Smart
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -29,6 +28,7 @@
 #include "wx/sysopt.h"
 
 #ifndef WX_PRECOMP
+    #include "wx/app.h"
     #include "wx/list.h"
     #include "wx/string.h"
     #include "wx/arrstr.h"
@@ -68,21 +68,44 @@ void wxSystemOptions::SetOption(const wxString& name, int value)
 
 wxString wxSystemOptions::GetOption(const wxString& name)
 {
+    wxString val;
+
     int idx = gs_optionNames.Index(name, false);
-    if (idx == wxNOT_FOUND)
-        return wxEmptyString;
-    else
-        return gs_optionValues[idx];
+    if ( idx != wxNOT_FOUND )
+    {
+        val = gs_optionValues[idx];
+    }
+    else // not set explicitly
+    {
+        // look in the environment: first for a variable named "wx_appname_name"
+        // which can be set to affect the behaviour or just this application
+        // and then for "wx_name" which can be set to change the option globally
+        wxString var(name);
+        var.Replace(wxT("."), wxT("_"));  // '.'s not allowed in env var names
+        var.Replace(wxT("-"), wxT("_"));  // and neither are '-'s
+
+        wxString appname;
+        if ( wxTheApp )
+            appname = wxTheApp->GetAppName();
+
+        if ( !appname.empty() )
+            val = wxGetenv(wxT("wx_") + appname + wxT('_') + var);
+
+        if ( val.empty() )
+            val = wxGetenv(wxT("wx_") + var);
+    }
+
+    return val;
 }
 
 int wxSystemOptions::GetOptionInt(const wxString& name)
 {
-    return wxAtoi(GetOption(name));
+    return wxAtoi (GetOption(name));
 }
 
 bool wxSystemOptions::HasOption(const wxString& name)
 {
-    return gs_optionNames.Index(name, false) != wxNOT_FOUND;
+    return !GetOption(name).empty();
 }
 
 #endif // wxUSE_SYSTEM_OPTIONS