/* -*- 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: */
