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-rw-r--r-- | sd/source/ui/inc/AccessibleViewForwarder.hxx | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/sd/source/ui/inc/AccessibleViewForwarder.hxx b/sd/source/ui/inc/AccessibleViewForwarder.hxx new file mode 100644 index 000000000..c791921e6 --- /dev/null +++ b/sd/source/ui/inc/AccessibleViewForwarder.hxx @@ -0,0 +1,92 @@ +/* -*- 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 <svx/IAccessibleViewForwarder.hxx> + +class SdrPaintView; +class OutputDevice; + +namespace accessibility +{ +/** <p>This class provides the means to transform between internal coordinates + and screen coordinates without giving direct access to the underlying + view. It represents a certain window. A call to + <method>GetVisArea</method> returns the corresponding visible + rectangle.</p> + + @attention + Note, that modifications of the underlying view that lead to + different transformations between internal and screen coordinates or + change the validity of the forwarder have to be signaled separately. +*/ +class AccessibleViewForwarder final : public IAccessibleViewForwarder +{ +public: + //===== internal ======================================================== + + AccessibleViewForwarder(SdrPaintView* pView, const OutputDevice& rDevice); + + virtual ~AccessibleViewForwarder() override; + + //===== IAccessibleViewforwarder ======================================== + + /** Returns the area of the underlying document that is visible in the + * corresponding window. + + @return + The rectangle of the visible part of the document. + */ + virtual ::tools::Rectangle GetVisibleArea() const override; + + /** Transform the specified point from internal coordinates to an + absolute screen position. + + @param rPoint + Point in internal coordinates. + + @return + The same point but in screen coordinates relative to the upper + left corner of the (current) screen. + */ + virtual Point LogicToPixel(const Point& rPoint) const override; + + /** Transform the specified size from internal coordinates to a screen + * position. + + @param rSize + Size in internal coordinates. + + @return + The same size but in screen coordinates. + */ + virtual Size LogicToPixel(const Size& rSize) const override; + +private: + SdrPaintView* mpView; + sal_uInt16 mnWindowId; + + AccessibleViewForwarder(AccessibleViewForwarder const&) = delete; + AccessibleViewForwarder& operator=(AccessibleViewForwarder const&) = delete; +}; + +} // end of namespace accessibility + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |