added wxAppTraits::SetLocale() and call it during wxApp initialization in all ports, not just wxGTK

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44773 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/apptrait.h

@@ -40,7 +40,7 @@ public:
     // needed since this class declares virtual members
     virtual ~wxAppTraitsBase() { }
 
-    // hooks for creating the global objects, may be overridden by the user
+    // hooks for working with the global objects, may be overridden by the user
     // ------------------------------------------------------------------------
 
 #if wxUSE_LOG
@@ -69,6 +69,13 @@ public:
     virtual wxStandardPathsBase& GetStandardPaths();
 #endif // wxUSE_STDPATHS
 
+#if wxUSE_INTL
+    // called during wxApp initialization to set the locale to correspond to
+    // the user default (i.e. system locale under Windows, LC_ALL under Unix)
+    virtual void SetLocale();
+#endif // wxUSE_INTL
+
+
     // functions abstracting differences between GUI and console modes
     // ------------------------------------------------------------------------
 
@@ -110,6 +117,10 @@ public:
     virtual GSocketGUIFunctionsTable* GetSocketGUIFunctionsTable() = 0;
 #endif
 
+
+    // functions returning port-specific information
+    // ------------------------------------------------------------------------
+
     // return information about the (native) toolkit currently used and its
     // runtime (not compile-time) version.
     // returns wxPORT_BASE for console applications and one of the remaining