Add comments explaining the workaround for mingw 3.2.3

[wxWidgets.git] / src / msw / statbmp.cpp

diff --git a/src/msw/statbmp.cpp b/src/msw/statbmp.cpp
index fd6c408d2ef479ead54bb24c7ab861184606b89e..f7c3e6e2061937c9665f2fdba0431359bb0c55cf 100644 (file)
--- a/src/msw/statbmp.cpp
+++ b/src/msw/statbmp.cpp
@@ -38,6 +38,8 @@
     #include "wx/statbmp.h"
 #endif
 
+#include "wx/sysopt.h"
+
 #include <stdio.h>
 
 // ---------------------------------------------------------------------------
@@ -262,19 +264,28 @@ void wxStaticBitmap::SetImageNoCopy( wxGDIImage* image)
     ::InvalidateRect(GetHwndOf(GetParent()), &rect, TRUE);
 }
 
-// We need this or the control can never be moved e.g. in Dialog Editor.
 WXLRESULT wxStaticBitmap::MSWWindowProc(WXUINT nMsg,
                                    WXWPARAM wParam,
                                    WXLPARAM lParam)
 {
 #ifndef __WXWINCE__
-    // Ensure that static items get messages. Some controls don't like this
-    // message to be intercepted (e.g. RichEdit), hence the tests.
-    if ( nMsg == WM_NCHITTEST )
-        return (long)HTCLIENT;
+    static int s_useHTClient = -1;
+    if (s_useHTClient == -1)
+        s_useHTClient = wxSystemOptions::GetOptionInt(wxT("msw.staticbitmap.htclient"));
+    if (s_useHTClient == 1)
+    {
+        // Ensure that static items get messages. Some controls don't like this
+        // message to be intercepted (e.g. RichEdit), hence the tests.
+        // Also, this code breaks some other processing such as enter/leave tracking
+        // so it's off by default.
+        
+        if ( nMsg == WM_NCHITTEST )
+            return (long)HTCLIENT;
+    }
 #endif
 
     return wxWindow::MSWWindowProc(nMsg, wParam, lParam);
 }
 
 #endif // wxUSE_STATBMP
+