Internat.cpp has fewer dependencies...

... after we move a function to FileNames.cpp.

This frees ten files from cyclic dependencies

src/Internat.cpp

@@ -23,6 +23,7 @@ and on Mac OS X for the filesystem.
 #include "Internat.h"
 
 #include "Experimental.h"
+#include "MemoryX.h"
 
 #include <wx/log.h>
 #include <wx/intl.h>
@@ -31,8 +32,6 @@ and on Mac OS X for the filesystem.
 #include <locale.h>
 #include <math.h> // for pow()
 
-#include "FileNames.h"
-#include "widgets/ErrorDialog.h"
 #include "../include/audacity/ComponentInterface.h"
 
 // in order for the static member variables to exist, they must appear here
@@ -226,46 +225,6 @@ wxString Internat::FormatSize(double size)
    return sizeStr;
 }
 
-#if defined(__WXMSW__)
-//
-// On Windows, wxString::mb_str() can return a NULL pointer if the
-// conversion to multi-byte fails.  So, based on direction intent,
-// returns a pointer to an empty string or prompts for a NEW name.
-//
-char *Internat::VerifyFilename(const wxString &s, bool input)
-{
-   static wxCharBuffer buf;
-   wxString name = s;
-
-   if (input) {
-      if ((char *) (const char *)name.mb_str() == NULL) {
-         name = wxEmptyString;
-      }
-   }
-   else {
-      wxFileName ff(name);
-      wxString ext;
-      while ((char *) (const char *)name.mb_str() == NULL) {
-         AudacityMessageBox(_("The specified filename could not be converted due to Unicode character use."));
-
-         ext = ff.GetExt();
-         name = FileNames::SelectFile(FileNames::Operation::_None,
-                             _("Specify New Filename:"),
-                             wxEmptyString,
-                             name,
-                             ext,
-                             wxT("*.") + ext,
-                             wxFD_SAVE | wxRESIZE_BORDER,
-                             wxGetTopLevelParent(NULL));
-      }
-   }
-
-   mFilename = name.mb_str();
-
-   return (char *) (const char *) mFilename;
-}
-#endif
-
 bool Internat::SanitiseFilename(wxString &name, const wxString &sub)
 {
    bool result = false;