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Diffstat (limited to 'vcl/inc/win/dnd_source.hxx')
-rw-r--r-- | vcl/inc/win/dnd_source.hxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/vcl/inc/win/dnd_source.hxx b/vcl/inc/win/dnd_source.hxx new file mode 100644 index 0000000000..ea794f069f --- /dev/null +++ b/vcl/inc/win/dnd_source.hxx @@ -0,0 +1,124 @@ +/* -*- 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 . + */ + +#pragma once + +#include <com/sun/star/datatransfer/dnd/XDragSource.hpp> +#include <com/sun/star/datatransfer/dnd/XDragSourceContext.hpp> +#include <com/sun/star/lang/XInitialization.hpp> +#include <osl/mutex.hxx> +#include <cppuhelper/basemutex.hxx> +#include <cppuhelper/compbase.hxx> +#include <com/sun/star/lang/XServiceInfo.hpp> +#include <oleidl.h> + +#include <systools/win32/comtools.hxx> + +namespace com::sun::star::uno { class XComponentContext; } + +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::uno; +using namespace cppu; +using namespace osl; +using namespace ::com::sun::star::datatransfer; +using namespace ::com::sun::star::datatransfer::dnd; + +class SourceContext; +// RIGHT MOUSE BUTTON drag and drop not supported currently. +// ALT modifier is considered to effect a user selection of effects +class DragSource: + public cppu::BaseMutex, + public WeakComponentImplHelper<XDragSource, XInitialization, XServiceInfo>, + public IDropSource + +{ + Reference<XComponentContext> m_xContext; + HWND m_hAppWindow; + + // The mouse button that set off the drag and drop operation + short m_MouseButton; + + // First starting a new drag and drop thread if + // the last one has finished + void StartDragImpl( + const DragGestureEvent& trigger, + sal_Int8 sourceActions, + sal_Int32 cursor, + sal_Int32 image, + const Reference<XTransferable >& trans, + const Reference<XDragSourceListener >& listener); + +public: + LONG m_RunningDndOperationCount; + +public: + // only valid for one dnd operation + // the thread ID of the thread which created the window + DWORD m_threadIdWindow; + // The context notifies the XDragSourceListener s + Reference<XDragSourceContext> m_currentContext; + + // the wrapper for the Transferable ( startDrag) + IDataObjectPtr m_spDataObject; + + sal_Int8 m_sourceActions; + +public: + explicit DragSource(const Reference<XComponentContext>& rxContext); + virtual ~DragSource() override; + DragSource(const DragSource&) = delete; + DragSource &operator= ( const DragSource&) = delete; + + // XInitialization + virtual void SAL_CALL initialize( const Sequence< Any >& aArguments ) override; + + // XDragSource + virtual sal_Bool SAL_CALL isDragImageSupported( ) override; + virtual sal_Int32 SAL_CALL getDefaultCursor( sal_Int8 dragAction ) override; + virtual void SAL_CALL startDrag( const DragGestureEvent& trigger, + sal_Int8 sourceActions, + sal_Int32 cursor, + sal_Int32 image, + const Reference<XTransferable >& trans, + const Reference<XDragSourceListener >& listener ) override; + + // XServiceInfo + virtual OUString SAL_CALL getImplementationName( ) override; + virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) override; + virtual Sequence< OUString > SAL_CALL getSupportedServiceNames( ) override; + + virtual HRESULT STDMETHODCALLTYPE QueryInterface( + /* [in] */ REFIID riid, + /* [iid_is][out] */ void __RPC_FAR *__RPC_FAR *ppvObject) override; + + virtual ULONG STDMETHODCALLTYPE AddRef( ) override; + + virtual ULONG STDMETHODCALLTYPE Release( ) override; + + // IDropSource + virtual HRESULT STDMETHODCALLTYPE QueryContinueDrag( + /* [in] */ BOOL fEscapePressed, + /* [in] */ DWORD grfKeyState) override; + + virtual HRESULT STDMETHODCALLTYPE GiveFeedback( + /* [in] */ DWORD dwEffect) override; + +}; + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |