Ge, title was not UTF8, and title changed when new graph is opened

xtt/lib/ge/gtk/ge_gtk.cpp

@@ -145,7 +145,9 @@ void GeGtk::subgraphs_new()
 
 void GeGtk::set_title( char *title)
 {
-  gtk_window_set_title( GTK_WINDOW(toplevel), title);
+  char *titleutf8 = g_convert( title, -1, "UTF-8", "ISO8859-1", NULL, NULL, NULL);
+  gtk_window_set_title( GTK_WINDOW(toplevel), titleutf8);
+  g_free( titleutf8);
 }
 
 void GeGtk::open_input_dialog( const char *text, const char *title,
@@ -1748,12 +1750,16 @@ GeGtk::GeGtk( 	void 	*x_parent_ctx,
     strcat( title, tmp_name);
   }
 
+  char *titleutf8 = g_convert( title, -1, "UTF-8", "ISO8859-1", NULL, NULL, NULL);
+
   toplevel = (GtkWidget *) g_object_new( GTK_TYPE_WINDOW, 
 					 "default-height", window_height,
 					 "default-width", window_width,
-					 "title", title,
+					 "title", titleutf8,
 					 NULL);
 
+  g_free( titleutf8);
+
   g_signal_connect( toplevel, "delete_event", G_CALLBACK(delete_event), this);
   g_signal_connect( toplevel, "destroy", G_CALLBACK(destroy_event), this);
   g_signal_connect( toplevel, "focus-in-event", G_CALLBACK(ge_action_inputfocus), this);

xtt/lib/ge/src/ge.cpp

@@ -1559,6 +1559,7 @@ void Ge::activate_graph_attr()
 void Ge::open_list_cb( void *ctx, char *text, int ok_pressed)
 {
   ((Ge *)ctx)->open_graph( text);
+  ((Ge *)ctx)->set_title();
   if ( ok_pressed)
     ((Ge *)ctx)->open_dialog = 0;    
 }