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/*************************************************************************
*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* Copyright 2000, 2010 Oracle and/or its affiliates.
*
* OpenOffice.org - a multi-platform office productivity suite
*
* This file is part of OpenOffice.org.
*
* OpenOffice.org is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License version 3
* only, as published by the Free Software Foundation.
*
* OpenOffice.org is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License version 3 for more details
* (a copy is included in the LICENSE file that accompanied this code).
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with OpenOffice.org. If not, see
* <http://www.openoffice.org/license.html>
* for a copy of the LGPLv3 License.
*
************************************************************************/
#ifndef __com_sun_star_datatransfer_dnd_XDragSource_idl__
#define __com_sun_star_datatransfer_dnd_XDragSource_idl__
#ifndef __com_sun_star_datatransfer_dnd_InvalidDNDOperationException_idl__
#include <com/sun/star/datatransfer/dnd/InvalidDNDOperationException.idl>
#endif
#ifndef __com_sun_star_datatransfer_dnd_DragGestureEvent_idl__
#include <com/sun/star/datatransfer/dnd/DragGestureEvent.idl>
#endif
#ifndef __com_sun_star_datatransfer_XTransferable_idl__
#include <com/sun/star/datatransfer/XTransferable.idl>
#endif
#ifndef __com_sun_star_lang_IllegalArgumentException_idl__
#include <com/sun/star/lang/IllegalArgumentException.idl>
#endif
//=============================================================================
module com { module sun { module star { module datatransfer { module dnd {
published interface XDragSourceListener;
//=============================================================================
/** This interface is implemented by a view or window that supports drag
operations and will be received as part of a <type>DragGestureEvent</type>
through a <member scope="com::sun::star::datatransfer::dnd">XDragGestureListener::dragGestureRecognized()</member>
callback.
<p>Differently to Java, the association between view and interface is fixed
and can not be changed. Otherwise, the AWT messaging would have to be
implemented for any window supporting Drag and Drop operations, which would
be a real performance issue.</p>
*/
published interface XDragSource: com::sun::star::uno::XInterface
{
//-------------------------------------------------------------------------
/** In order to query if drag image support is available.
@returns
A boolean indicating whether or not drag image support is
available on the underlying platform.
*/
boolean isDragImageSupported();
//-------------------------------------------------------------------------
/** To get the default cursor for a specified drag action.
@param dragAction
A drag action as specified in <type>DNDConstants</type>.
@returns
The default drag cursor for the specified drag action.
<p>The returned value may be used as parameter for the method
<member scope="com::sun::star::datatransfer::dnd">XDragSourceContext::setCursor()</member>.</p>
*/
long getDefaultCursor( [in] byte dragAction )
raises( com::sun::star::lang::IllegalArgumentException );
//-------------------------------------------------------------------------
/** Starts the drag operation.
<p>Note: this call does <em>not</em> block until the drag and drop
operation ends. If the Drag and Drop system is unable to initiate
a drag operation or if the user attempts to start a drag while an
existing drag operation is still executing, the action fails immediately.
This is indicated by calling
<member scope="com::sun::star::datatransfer::dnd">XDragSourceListener::dragDropEnd()</member>
on the parameter listener with a DragSourceDragEvent showing a failure.</p>
@param trigger
The <type>DragGestureEvent</type> that initiated the drag.
@param sourceActions
The action or actions supported for this transferable as defined
in <type>DNDConstants</type>.
@param cursor
The initial drag cursor id or 0 as default.
@param image
The initial drag image id or 0 as default.
@param trans
The transferable object dragged.
@param listener
The <type>XDragSourceListener</type>.
@see com::sun::star::datatransfer::XTransferable
*/
[oneway] void startDrag(
[in] DragGestureEvent trigger,
[in] byte sourceActions,
[in] long cursor,
[in] long image,
[in] com::sun::star::datatransfer::XTransferable trans,
[in] XDragSourceListener listener );
};
//=============================================================================
}; }; }; }; };
#endif
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