Bug 2709 - Mac: Missing sub-menu check marks in French

src/AudacityApp.cpp

@@ -1548,6 +1548,21 @@ bool AudacityApp::InitPart2()
    }
 #endif
 
+#if defined(__WXMAC__)
+   // Bug 2709: Workaround CoreSVG locale issue
+   Bind(wxEVT_MENU_OPEN, [=](wxMenuEvent &event)
+   {
+      wxSetlocale(LC_NUMERIC, wxString(wxT("C")));
+      event.Skip();
+   });
+
+   Bind(wxEVT_MENU_CLOSE, [=](wxMenuEvent &event)
+   {
+      wxSetlocale(LC_NUMERIC, GUIPrefs::GetLocaleName());
+      event.Skip();
+   });
+#endif
+
    return TRUE;
 }
 

src/prefs/GUIPrefs.cpp

@@ -270,6 +270,7 @@ wxString GUIPrefs::InitLang( wxString langCode )
 }
 
 static std::unique_ptr<wxLocale> sLocale;
+static wxString sLocaleName;
 
 wxString GUIPrefs::SetLang( const wxString & lang )
 {
@@ -337,9 +338,16 @@ wxString GUIPrefs::SetLang( const wxString & lang )
       wxApp::s_macHelpMenuTitleName = _("&Help");
 #endif
 
+   sLocaleName = wxSetlocale(LC_ALL, NULL);
+
    return result;
 }
 
+wxString GUIPrefs::GetLocaleName()
+{
+   return sLocaleName;
+}
+
 wxString GUIPrefs::GetLang()
 {
    if (sLocale)

src/prefs/GUIPrefs.h

@@ -55,6 +55,8 @@ class GUIPrefs final : public PrefsPanel
    // Unlike GetLang, gives en rather than en_GB or en_US for result.
    static wxString GetLangShort();
 
+   static wxString GetLocaleName();
+
  private:
    void Populate();