readded wxEVT_SCROLL_ENDSCROLL symbol back to the library to fix (inadvertent) backwards binary compatibility breakage

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@34758 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/event.h

@@ -2813,8 +2813,21 @@ typedef void (wxEvtHandler::*wxMouseCaptureChangedEventFunction)(wxMouseCaptureC
     EVT_COMMAND_SCROLL_THUMBRELEASE(winid, func) \
     EVT_COMMAND_SCROLL_CHANGED(winid, func)
 
-// this is the old name of this event, to be deprecated in 2.8
+// compatibility macros for the old name, to be deprecated in 2.8
-#define wxEVT_SCROLL_ENDSCROLL wxEVT_SCROLL_CHANGED
+//
+// note that simply #defines suffice for the macro names as they're only
+// present in the source code and macros are enough to maintain source
+// backwards compatibility, but that we have to ensure that we also have
+// wxEVT_SCROLL_ENDSCROLL inside the library for binary backwards compatibility
+// and this can't be done with a macro
+#if wxCHECK_VERSION(2, 7, 0)
+    // replace the line below with simply
+    //      #define wxEVT_SCROLL_ENDSCROLL wxEVT_SCROLL_CHANGED
+    // in 2.7
+    #error "Remove wxEVT_SCROLL_ENDSCROLL binary compatibility hack, not needed"
+#endif
+extern WXDLLIMPEXP_CORE const wxEventType wxEVT_SCROLL_ENDSCROLL;
+
 #define EVT_COMMAND_SCROLL_ENDSCROLL EVT_COMMAND_SCROLL_CHANGED
 #define EVT_SCROLL_ENDSCROLL EVT_SCROLL_CHANGED
 

src/common/event.cpp

@@ -247,6 +247,12 @@ DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBTRACK)
 DEFINE_EVENT_TYPE(wxEVT_SCROLL_THUMBRELEASE)
 DEFINE_EVENT_TYPE(wxEVT_SCROLL_CHANGED)
 
+// see comments in wx/event.h, near wxEVT_SCROLL_ENDSCROLL declaration
+#if wxCHECK_VERSION(2, 7, 0)
+    #error "Remove the line below, not needed any more"
+#endif
+const wxEventType wxEVT_SCROLL_ENDSCROLL = wxEVT_SCROLL_CHANGED;
+
 // Scroll events from wxWindow
 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_TOP)
 DEFINE_EVENT_TYPE(wxEVT_SCROLLWIN_BOTTOM)