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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/accessibility/AccessibleViewForwarder.cxx
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>
Diffstat (limited to 'sd/source/ui/accessibility/AccessibleViewForwarder.cxx')
-rw-r--r--sd/source/ui/accessibility/AccessibleViewForwarder.cxx104
1 files changed, 104 insertions, 0 deletions
diff --git a/sd/source/ui/accessibility/AccessibleViewForwarder.cxx b/sd/source/ui/accessibility/AccessibleViewForwarder.cxx
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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 .
+ */
+
+#include <AccessibleViewForwarder.hxx>
+#include <svx/svdpntv.hxx>
+#include <vcl/window.hxx>
+#include <svx/sdrpaintwindow.hxx>
+#include <osl/diagnose.h>
+
+namespace accessibility
+{
+/** For the time being, the implementation of this class will not use the
+ member mrDevice. Instead the device is retrieved from the view
+ every time it is used. This is necessary because the device has to stay
+ up-to-date with the current view and the class has to stay compatible.
+ May change in the future.
+*/
+
+AccessibleViewForwarder::AccessibleViewForwarder(SdrPaintView* pView, const OutputDevice& rDevice)
+ : mpView(pView)
+ , mnWindowId(0)
+{
+ // Search the output device to determine its id.
+ for (sal_uInt32 a(0); a < mpView->PaintWindowCount(); a++)
+ {
+ SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(a);
+ OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
+
+ if (&rOutDev == &rDevice)
+ {
+ mnWindowId = static_cast<sal_uInt16>(a);
+ break;
+ }
+ }
+}
+
+AccessibleViewForwarder::~AccessibleViewForwarder()
+{
+ // empty
+}
+
+::tools::Rectangle AccessibleViewForwarder::GetVisibleArea() const
+{
+ ::tools::Rectangle aVisibleArea;
+
+ if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
+ {
+ SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
+ aVisibleArea = pPaintWindow->GetVisibleArea();
+ }
+
+ return aVisibleArea;
+}
+
+/** Transform the given point into pixel coordinates. After the pixel
+ coordinates of the window origin are added to make the point coordinates
+ absolute.
+*/
+Point AccessibleViewForwarder::LogicToPixel(const Point& rPoint) const
+{
+ OSL_ASSERT(mpView != nullptr);
+ if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
+ {
+ SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
+ OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
+ ::tools::Rectangle aBBox(rOutDev.GetOwnerWindow()->GetWindowExtentsRelative(nullptr));
+ return rOutDev.LogicToPixel(rPoint) + aBBox.TopLeft();
+ }
+ else
+ return Point();
+}
+
+Size AccessibleViewForwarder::LogicToPixel(const Size& rSize) const
+{
+ OSL_ASSERT(mpView != nullptr);
+ if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
+ {
+ SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
+ OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
+ return rOutDev.LogicToPixel(rSize);
+ }
+ else
+ return Size();
+}
+
+} // end of namespace accessibility
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */