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/* -*- 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 <vcl/window.hxx>
#include <vcl/vclptr.hxx>
class DataChangedEvent;
class ScrollBar;
class ScrollBarBox;
class ScrollableWindow : public vcl::Window
{
private:
Point aPixOffset; // offset to virtual window (pixel)
Size aTotPixSz; // total size of virtual window (pixel)
tools::Long nLinePixH; // size of a line/column (pixel)
tools::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_LINK( ScrollHdl, ScrollBar *, void );
DECL_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( tools::Long nDeltaX, tools::Long nDeltaY, ScrollFlags nFlags = ScrollFlags::NONE ) override;
private:
Size GetOutputSizePixel() const;
};
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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