104 lines
3.5 KiB
C++
104 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <AccessibleViewForwarder.hxx>
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#include <svx/svdpntv.hxx>
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#include <vcl/window.hxx>
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#include <svx/sdrpaintwindow.hxx>
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#include <osl/diagnose.h>
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namespace accessibility
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{
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/** For the time being, the implementation of this class will not use the
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member mrDevice. Instead the device is retrieved from the view
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every time it is used. This is necessary because the device has to stay
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up-to-date with the current view and the class has to stay compatible.
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May change in the future.
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*/
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AccessibleViewForwarder::AccessibleViewForwarder(SdrPaintView* pView, const OutputDevice& rDevice)
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: mpView(pView)
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, mnWindowId(0)
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{
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// Search the output device to determine its id.
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for (sal_uInt32 a(0); a < mpView->PaintWindowCount(); a++)
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{
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SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(a);
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OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
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if (&rOutDev == &rDevice)
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{
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mnWindowId = static_cast<sal_uInt16>(a);
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break;
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}
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}
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}
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AccessibleViewForwarder::~AccessibleViewForwarder()
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{
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// empty
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}
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::tools::Rectangle AccessibleViewForwarder::GetVisibleArea() const
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{
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::tools::Rectangle aVisibleArea;
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if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
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{
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SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
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aVisibleArea = pPaintWindow->GetVisibleArea();
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}
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return aVisibleArea;
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}
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/** Transform the given point into pixel coordinates. After the pixel
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coordinates of the window origin are added to make the point coordinates
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absolute.
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*/
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Point AccessibleViewForwarder::LogicToPixel(const Point& rPoint) const
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{
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assert(mpView != nullptr);
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if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
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{
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SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
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OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
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::tools::Rectangle aBBox(rOutDev.GetOwnerWindow()->GetWindowExtentsAbsolute());
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return rOutDev.LogicToPixel(rPoint) + aBBox.TopLeft();
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}
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else
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return Point();
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}
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Size AccessibleViewForwarder::LogicToPixel(const Size& rSize) const
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{
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assert(mpView != nullptr);
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if (static_cast<sal_uInt32>(mnWindowId) < mpView->PaintWindowCount())
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{
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SdrPaintWindow* pPaintWindow = mpView->GetPaintWindow(static_cast<sal_uInt32>(mnWindowId));
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OutputDevice& rOutDev = pPaintWindow->GetOutputDevice();
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return rOutDev.LogicToPixel(rSize);
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}
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else
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return Size();
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}
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} // end of namespace accessibility
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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