1 files changed, 72 insertions, 0 deletions
diff --git a/include/svtools/scrwin.hxx b/include/svtools/scrwin.hxx
new file mode 100644
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+++ b/include/svtools/scrwin.hxx
@@ -0,0 +1,72 @@
+/* -*- 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 INCLUDED_SVTOOLS_SCRWIN_HXX
+#define INCLUDED_SVTOOLS_SCRWIN_HXX
+
+#include <svtools/svtdllapi.h>
+#include <vcl/window.hxx>
+#include <vcl/vclptr.hxx>
+
+class DataChangedEvent;
+class ScrollBar;
+class ScrollBarBox;
+
+class SVT_DLLPUBLIC ScrollableWindow: public vcl::Window
+{
+private:
+    Point           aPixOffset;         // offset to virtual window (pixel)
+    Size            aTotPixSz;          // total size of virtual window (pixel)
+    long            nLinePixH;          // size of a line/column (pixel)
+    long            nColumnPixW;
+
+    VclPtr<ScrollBar>    aVScroll;      // the scrollbars
+    VclPtr<ScrollBar>    aHScroll;
+    VclPtr<ScrollBarBox> aCornerWin;    // window in the bottom right corner
+    bool            bScrolling:1;       // user controlled scrolling
+
+    DECL_DLLPRIVATE_LINK( ScrollHdl, ScrollBar *, void );
+    DECL_DLLPRIVATE_LINK( EndScrollHdl, ScrollBar *, void );
+
+public:
+                    ScrollableWindow( vcl::Window* pParent );
+    virtual         ~ScrollableWindow() override;
+    virtual void    dispose() override;
+
+    virtual void    Resize() override;
+    virtual void    Command( const CommandEvent& rCEvt ) override;
+    virtual void    DataChanged( const DataChangedEvent& rDEvt ) override;
+
+    using OutputDevice::SetMapMode;
+    virtual void    SetMapMode( const MapMode& rNewMapMode ) override;
+    MapMode GetMapMode() const;
+
+    void            SetTotalSize( const Size& rNewSize );
+    Size            GetTotalSize() const { return PixelToLogic( aTotPixSz ); }
+
+    using Window::Scroll;
+    virtual void    Scroll( long nDeltaX, long nDeltaY, ScrollFlags nFlags = ScrollFlags::NONE ) override;
+
+private:
+    SVT_DLLPRIVATE Size         GetOutputSizePixel() const;
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */