Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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
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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: */