unified default values for conv arguments

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@19342 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/ffile.h

@@ -67,7 +67,7 @@ public:
     // returns the number of bytes written
   size_t Write(const void *pBuf, size_t nCount);
     // returns true on success
-  bool Write(const wxString& s, wxMBConv& conv = wxConvLibc)
+  bool Write(const wxString& s, wxMBConv& conv = wxConvUTF8)
   {
       const wxWX2MBbuf buf = s.mb_str(conv);
       size_t size = strlen(buf);

include/wx/file.h

@@ -100,7 +100,7 @@ public:
     // returns the number of bytes written
   size_t Write(const void *pBuf, size_t nCount);
     // returns true on success
-  bool Write(const wxString& s, wxMBConv& conv = wxConvLocal)
+  bool Write(const wxString& s, wxMBConv& conv = wxConvUTF8)
   {
       const wxWX2MBbuf buf = s.mb_str(conv);
       size_t size = strlen(buf);
@@ -165,7 +165,8 @@ public:
 
   // I/O (both functions return true on success, false on failure)
   bool Write(const void *p, size_t n) { return m_file.Write(p, n) != 0; }
-  bool Write(const wxString& str, wxMBConv& conv = wxConvLibc) { return m_file.Write(str, conv); }
+  bool Write(const wxString& str, wxMBConv& conv = wxConvUTF8)
+    { return m_file.Write(str, conv); }
 
   // different ways to close the file
     // validate changes and delete the old file of name m_strName

include/wx/memtext.h

@@ -41,7 +41,7 @@ protected:
         { return TRUE; }
 
     virtual bool OnWrite(wxTextFileType WXUNUSED(typeNew),
-                         wxMBConv& WXUNUSED(conv) = wxConvLibc)
+                         wxMBConv& WXUNUSED(conv) = wxConvUTF8)
         { return TRUE; }
 };
 

include/wx/textbuf.h

@@ -81,10 +81,10 @@ public:
     bool Create(const wxString& strBufferName);
 
     // Open() also loads buffer in memory on success
-    bool Open(wxMBConv& conv = wxConvISO8859_1);
+    bool Open(wxMBConv& conv = wxConvUTF8);
 
     // same as Open() but with (another) buffer name
-    bool Open(const wxString& strBufferName, wxMBConv& conv = wxConvISO8859_1);
+    bool Open(const wxString& strBufferName, wxMBConv& conv = wxConvUTF8);
 
     // closes the buffer and frees memory, losing all changes
     bool Close();
@@ -148,7 +148,7 @@ public:
     // change the buffer (default argument means "don't change type")
     // possibly in another format
     bool Write(wxTextFileType typeNew = wxTextFileType_None,
-               wxMBConv& conv = wxConvISO8859_1);
+               wxMBConv& conv = wxConvUTF8);
 
     // dtor
     virtual ~wxTextBuffer();