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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /sd/source/ui/inc/AccessibleViewForwarder.hxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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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 <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: */