86 lines
3.2 KiB
C++
86 lines
3.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#ifndef _nsNativeDragSource_h_
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#define _nsNativeDragSource_h_
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#include <OLE2.h>
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#include <OLEIDL.h>
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//class nsIDragSource;
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/*
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* nsNativeDragSource implements the IDropSource interface and gets most of its
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* behavior from the associated adapter (m_dragDrop).
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*/
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class nsNativeDragSource : public IDropSource
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{
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public: // construction, destruction
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// construct an nsNativeDragSource referencing adapter
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//nsNativeDragSource(nsIDragSource * adapter);
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nsNativeDragSource();
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~nsNativeDragSource();
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public: // IUnknown methods - see iunknown.h for documentation
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STDMETHODIMP QueryInterface(REFIID, void**);
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STDMETHODIMP_(ULONG) AddRef ();
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STDMETHODIMP_(ULONG) Release ();
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public: // IDropSource methods
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// Return DRAGDROP_S_USEDEFAULTCURSORS if this object lets OLE provide
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// default cursors, otherwise return NOERROR. This method gets called in
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// response to changes that the target makes to dEffect (DragEnter,
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// DragOver).
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STDMETHODIMP GiveFeedback (DWORD dEffect);
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// If fESC is TRUE return DRAGDROP_S_CANCEL. If the left mouse button
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// is released return DRAGDROP_S_DROP. Otherwise return NOERROR. This
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// method gets called if there is any change in the mouse or key state.
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STDMETHODIMP QueryContinueDrag (BOOL fESC, DWORD grfKeyState);
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protected:
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ULONG m_cRef; // reference count
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//nsIDragSource * mDragSource; // adapter
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//CfDragDrop * mDragSource; // adapter
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};
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#endif // _nsNativeDragSource_h_
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