support for GTK3

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@71894 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/gtk/statbox.cpp

@@ -13,10 +13,10 @@
 #if wxUSE_STATBOX
 
 #include "wx/statbox.h"
-#include "wx/gtk/private/win_gtk.h"     // for wxPizza
 
 #include <gtk/gtk.h>
 #include "wx/gtk/private/gtk2-compat.h"
+#include "wx/gtk/private/win_gtk.h"
 
 // constants taken from GTK sources
 #define LABEL_PAD 1
@@ -26,6 +26,7 @@
 // "size_allocate" from m_widget
 //-----------------------------------------------------------------------------
 
+#ifndef __WXGTK3__
 extern "C" {
 static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
 {
@@ -45,6 +46,7 @@ static void size_allocate(GtkWidget* widget, GtkAllocation* alloc, void*)
     }
 }
 }
+#endif
 
 //-----------------------------------------------------------------------------
 // wxStaticBox
@@ -99,11 +101,13 @@ bool wxStaticBox::Create( wxWindow *parent,
 
     gtk_frame_set_label_align(GTK_FRAME(m_widget), xalign, 0.5);
 
+#ifndef __WXGTK3__
     if (gtk_check_version(2, 12, 0))
     {
         // we connect this signal to perform label-clipping as GTK >= 2.12 does
         g_signal_connect(m_widget, "size_allocate", G_CALLBACK(size_allocate), NULL);
     }
+#endif
 
     return true;
 }