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 000000000..ea794f069
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+++ 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: */