1 files changed, 130 insertions, 0 deletions
diff --git a/vcl/win/dtrans/globals.cxx b/vcl/win/dtrans/globals.cxx
new file mode 100644
index 0000000000..fcddef22e6
--- /dev/null
+++ b/vcl/win/dtrans/globals.cxx
@@ -0,0 +1,130 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+
+#include <com/sun/star/datatransfer/dnd/DNDConstants.hpp>
+
+#include "globals.hxx"
+
+//--> TRA
+#include <com/sun/star/datatransfer/XTransferable.hpp>
+
+// used as shortcut when drag-source and drop-target are the same
+css::uno::Reference< css::datatransfer::XTransferable > g_XTransferable;
+
+//<-- TRA
+
+using namespace com::sun::star::datatransfer::dnd::DNDConstants;
+
+sal_Int8 dndOleKeysToAction( DWORD grfKeyState, sal_Int8 nSourceActions)
+{
+    sal_Int8 ret= 0;
+
+    // no MK_ALT, MK_CONTROL, MK_SHIFT
+    if( !(grfKeyState & MK_CONTROL) &&
+        !(grfKeyState & MK_ALT)    &&
+        !(grfKeyState & MK_RBUTTON) &&
+        !(grfKeyState & MK_SHIFT))
+    {
+        if( nSourceActions & ACTION_MOVE )
+        {
+            ret= ACTION_DEFAULT | ACTION_MOVE;
+        }
+
+        else if( nSourceActions & ACTION_COPY )
+        {
+            ret= ACTION_COPY;
+        }
+
+        else if( nSourceActions & ACTION_LINK )
+        {
+            ret= ACTION_LINK;
+        }
+
+        else
+            ret = 0;
+    }
+    else if( grfKeyState & MK_SHIFT &&
+            !(grfKeyState & MK_CONTROL))
+    {
+        ret= ACTION_MOVE;
+    }
+    else if ( grfKeyState & MK_CONTROL &&
+              !(grfKeyState & MK_SHIFT) )
+    {
+        ret= ACTION_COPY;
+    }
+    else if ( grfKeyState & MK_CONTROL &&
+              grfKeyState & MK_SHIFT)
+    {
+        ret= ACTION_LINK;
+    }
+    else if ( grfKeyState & MK_RBUTTON ||
+              grfKeyState & MK_ALT)
+    {
+        ret= ACTION_COPY_OR_MOVE | ACTION_LINK;
+    }
+    return ret;
+}
+
+sal_Int8 dndOleDropEffectsToActions( DWORD dwEffect)
+{
+    sal_Int8 ret= ACTION_NONE;
+    if( dwEffect & DROPEFFECT_COPY)
+        ret |= ACTION_COPY;
+    if( dwEffect & DROPEFFECT_MOVE)
+        ret |= ACTION_MOVE;
+    if( dwEffect & DROPEFFECT_LINK)
+        ret |= ACTION_LINK;
+
+    return ret;
+}
+
+DWORD dndActionsToDropEffects( sal_Int8 actions)
+{
+    DWORD ret= DROPEFFECT_NONE;
+    if( actions & ACTION_MOVE)
+        ret |= DROPEFFECT_MOVE;
+    if( actions & ACTION_COPY)
+        ret |= DROPEFFECT_COPY;
+    if( actions & ACTION_LINK)
+        ret |= DROPEFFECT_LINK;
+    if( actions & ACTION_DEFAULT)
+        ret |= DROPEFFECT_COPY;
+    return ret;
+}
+
+DWORD dndActionsToSingleDropEffect( sal_Int8 actions)
+{
+    DWORD effects= dndActionsToDropEffects( actions);
+
+    sal_Int8 countEffect= 0;
+
+    if( effects & DROPEFFECT_MOVE)
+        countEffect++;
+    if( effects & DROPEFFECT_COPY)
+        countEffect++;
+    if( effects & DROPEFFECT_LINK)
+        countEffect++;
+
+    // DROPEFFECT_MOVE is the default effect
+    DWORD retVal= countEffect > 1 ? DROPEFFECT_MOVE : effects;
+    return retVal;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */