124 lines
4.4 KiB
C++
124 lines
4.4 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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#pragma once
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#include <com/sun/star/datatransfer/dnd/XDragSource.hpp>
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#include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp>
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#include <com/sun/star/lang/XInitialization.hpp>
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#include <osl/mutex.hxx>
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#include <cppuhelper/basemutex.hxx>
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#include <cppuhelper/compbase.hxx>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <oleidl.h>
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#include <systools/win32/comtools.hxx>
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namespace com::sun::star::uno { class XComponentContext; }
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::uno;
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using namespace cppu;
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using namespace osl;
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using namespace ::com::sun::star::datatransfer;
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using namespace ::com::sun::star::datatransfer::dnd;
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class SourceContext;
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// RIGHT MOUSE BUTTON drag and drop not supported currently.
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// ALT modifier is considered to effect a user selection of effects
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class DragSource:
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public cppu::BaseMutex,
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public WeakComponentImplHelper<XDragSource, XInitialization, XServiceInfo>,
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public IDropSource
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{
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Reference<XComponentContext> m_xContext;
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HWND m_hAppWindow;
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// The mouse button that set off the drag and drop operation
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short m_MouseButton;
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// First starting a new drag and drop thread if
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// the last one has finished
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void StartDragImpl(
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const DragGestureEvent& trigger,
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sal_Int8 sourceActions,
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sal_Int32 cursor,
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sal_Int32 image,
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const Reference<XTransferable >& trans,
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const Reference<XDragSourceListener >& listener);
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public:
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LONG m_RunningDndOperationCount;
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public:
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// only valid for one dnd operation
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// the thread ID of the thread which created the window
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DWORD m_threadIdWindow;
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// The context notifies the XDragSourceListener s
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Reference<XDragSourceContext> m_currentContext;
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// the wrapper for the Transferable ( startDrag)
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IDataObjectPtr m_spDataObject;
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sal_Int8 m_sourceActions;
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public:
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explicit DragSource(const Reference<XComponentContext>& rxContext);
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virtual ~DragSource() override;
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DragSource(const DragSource&) = delete;
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DragSource &operator= ( const DragSource&) = delete;
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// XInitialization
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virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) override;
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// XDragSource
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virtual sal_Bool SAL_CALL isDragImageSupported( ) override;
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virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction ) override;
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virtual void SAL_CALL startDrag( const DragGestureEvent& trigger,
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sal_Int8 sourceActions,
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sal_Int32 cursor,
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sal_Int32 image,
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const Reference<XTransferable >& trans,
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const Reference<XDragSourceListener >& listener ) override;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName( ) override;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override;
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virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override;
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(
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/* [in] */ REFIID riid,
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/* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject) override;
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virtual ULONG STDMETHODCALLTYPE AddRef( ) override;
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virtual ULONG STDMETHODCALLTYPE Release( ) override;
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// IDropSource
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virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag(
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/* [in] */ BOOL fEscapePressed,
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/* [in] */ DWORD grfKeyState) override;
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virtual HRESULT STDMETHODCALLTYPE GiveFeedback(
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/* [in] */ DWORD dwEffect) override;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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