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