fixed crash on startup under GTK

[wxWidgets.git] / src / msw / ole / droptgt.cpp

diff --git a/src/msw/ole/droptgt.cpp b/src/msw/ole/droptgt.cpp
index 20e505910c03fc6587291d93392d6bc0aac74b88..46da03329de8afb6eeedc28115bad92937d29924 100644 (file)
--- a/src/msw/ole/droptgt.cpp
+++ b/src/msw/ole/droptgt.cpp
@@ -6,7 +6,7 @@
 // Created:
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 
 // ============================================================================
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "droptgt.h"
 #endif
 
@@ -32,12 +32,18 @@
 
 #if wxUSE_OLE && wxUSE_DRAG_AND_DROP
 
+#include "wx/msw/private.h"
 #include "wx/log.h"
 
+#ifdef __WXWINCE__
+    #include <winreg.h>
+    #include <ole2.h>
+#endif
+
 #ifdef __WIN32__
     #if !defined(__GNUWIN32__) || wxUSE_NORLANDER_HEADERS
         #if wxCHECK_W32API_VERSION( 1, 0 )
-            #include <windows.h>
+            #include "wx/msw/wrapwin.h"
         #endif
         #include <shlobj.h>            // for DROPFILES structure
     #endif
@@ -47,11 +53,6 @@
 
 #include "wx/dnd.h"
 
-#ifndef __WIN32__
-    #include <ole2.h>
-    #include <olestd.h>
-#endif
-
 #include "wx/msw/ole/oleutils.h"
 
 // ----------------------------------------------------------------------------
@@ -85,6 +86,8 @@ protected:
 
     // get default drop effect for given keyboard flags
     static inline DWORD GetDropEffect(DWORD flags);
+
+    DECLARE_NO_COPY_CLASS(wxIDropTarget)
 };
 
 // ----------------------------------------------------------------------------
@@ -113,7 +116,6 @@ DWORD wxIDropTarget::GetDropEffect(DWORD flags)
 
 wxIDropTarget::wxIDropTarget(wxDropTarget *pTarget)
 {
-  m_cRef         = 0;
   m_pTarget      = pTarget;
   m_pIDataObject = NULL;
 }
@@ -328,16 +330,23 @@ wxDropTarget::~wxDropTarget()
 
 bool wxDropTarget::Register(WXHWND hwnd)
 {
-    HRESULT hr = ::CoLockObjectExternal(m_pIDropTarget, TRUE, FALSE);
+    HRESULT hr;
+
+    // May exist in later WinCE versions
+#ifndef __WXWINCE__
+    hr = ::CoLockObjectExternal(m_pIDropTarget, TRUE, FALSE);
     if ( FAILED(hr) ) {
         wxLogApiError(wxT("CoLockObjectExternal"), hr);
         return FALSE;
     }
+#endif
 
     hr = ::RegisterDragDrop((HWND) hwnd, m_pIDropTarget);
     if ( FAILED(hr) ) {
+    // May exist in later WinCE versions
+#ifndef __WXWINCE__
         ::CoLockObjectExternal(m_pIDropTarget, FALSE, FALSE);
-
+#endif
         wxLogApiError(wxT("RegisterDragDrop"), hr);
         return FALSE;
     }
@@ -356,7 +365,10 @@ void wxDropTarget::Revoke(WXHWND hwnd)
         wxLogApiError(wxT("RevokeDragDrop"), hr);
     }
 
+    // May exist in later WinCE versions
+#ifndef __WXWINCE__
     ::CoLockObjectExternal(m_pIDropTarget, FALSE, TRUE);
+#endif
 
     m_pIDropTarget->SetHwnd(0);
 }
@@ -484,6 +496,9 @@ static wxDragResult ConvertDragEffectToResult(DWORD dwEffect)
         case DROPEFFECT_COPY:
             return wxDragCopy;
 
+        case DROPEFFECT_LINK:
+            return wxDragLink;
+
         case DROPEFFECT_MOVE:
             return wxDragMove;
 
@@ -502,6 +517,9 @@ static DWORD ConvertDragResultToEffect(wxDragResult result)
         case wxDragCopy:
             return DROPEFFECT_COPY;
 
+        case wxDragLink:
+            return DROPEFFECT_LINK;
+
         case wxDragMove:
             return DROPEFFECT_MOVE;