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/* -*- 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 .
*/
#ifndef __com_sun_star_datatransfer_dnd_XDragSource_idl__
#define __com_sun_star_datatransfer_dnd_XDragSource_idl__
#include <com/sun/star/datatransfer/dnd/InvalidDNDOperationException.idl>
#include <com/sun/star/datatransfer/dnd/DragGestureEvent.idl>
#include <com/sun/star/datatransfer/XTransferable.idl>
#include <com/sun/star/lang/IllegalArgumentException.idl>
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 DragGestureEvent
through a com::sun::star::datatransfer::dnd::XDragGestureListener::dragGestureRecognized()
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 DNDConstants.
@returns
The default drag cursor for the specified drag action.
<p>The returned value may be used as parameter for the method
com::sun::star::datatransfer::dnd::XDragSourceContext::setCursor().</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
com::sun::star::datatransfer::dnd::XDragSourceListener::dragDropEnd()
on the parameter listener with a DragSourceDragEvent showing a failure.</p>
@param trigger
The DragGestureEvent that initiated the drag.
@param sourceActions
The action or actions supported for this transferable as defined
in DNDConstants.
@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 XDragSourceListener.
@see com::sun::star::datatransfer::XTransferable
*/
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
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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