Support using GetTextExtent() with empty string to get descent in wxOSX.

[wxWidgets.git] / include / wx / app.h

diff --git a/include/wx/app.h b/include/wx/app.h
index fbd85a78397ec446e1ab061cde017e94322e7f9b..b2d11cce40c11674565e0ede81426b8fba2bbf2f 100644 (file)
--- a/include/wx/app.h
+++ b/include/wx/app.h
@@ -228,6 +228,14 @@ public:
     // for it
     static wxAppTraits *GetTraitsIfExists();
 
+    // Return some valid traits object.
+    //
+    // This method checks if we have wxTheApp and returns its traits if it does
+    // exist and the traits are non-NULL, similarly to GetTraitsIfExists(), but
+    // falls back to wxConsoleAppTraits to ensure that it always returns
+    // something valid.
+    static wxAppTraits& GetValidTraits();
+
     // returns the main event loop instance, i.e. the event loop which is started
     // by OnRun() and which dispatches all events sent from the native toolkit
     // to the application (except when new event loops are temporarily set-up).
@@ -236,6 +244,18 @@ public:
     wxEventLoopBase* GetMainLoop() const
         { return m_mainLoop; }
 
+    // This function sets the C locale to the default locale for the current
+    // environment. It is advised to call this to ensure that the underlying
+    // toolkit uses the locale in which the numbers and monetary amounts are
+    // shown in the format expected by user and so on.
+    //
+    // Notice that this does _not_ change the global C++ locale, you need to do
+    // it explicitly if you want.
+    //
+    // Finally, notice that while this function is virtual, it is not supposed
+    // to be overridden outside of the library itself.
+    virtual void SetCLocale();
+
 
     // event processing functions
     // --------------------------