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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 <DrawViewShell.hxx>
+
+#include <sal/log.hxx>
+#include <rtl/math.hxx>
+#include <comphelper/lok.hxx>
+
+#include <DrawDocShell.hxx>
+
+#include <slideshow.hxx>
+
+namespace sd {
+
+void DrawViewShell::GotoBookmark(std::u16string_view rBookmark)
+{
+ ::sd::DrawDocShell* pDocSh = GetDocSh();
+ if( pDocSh )
+ {
+ if( !pDocSh->GetViewShell() ) //#i26016# this case occurs if the jump-target-document was opened already with file open dialog before triggering the jump via hyperlink
+ pDocSh->Connect(this);
+ pDocSh->GotoBookmark(rBookmark);
+ }
+}
+
+/**
+ * Make area visible (scroll part of picture)
+|*
+\************************************************************************/
+
+void DrawViewShell::MakeVisible(const ::tools::Rectangle& rRect, vcl::Window& rWin)
+{
+ if ( (IsMouseButtonDown() && !IsMouseSelecting()) || SlideShow::IsRunning( GetViewShellBase() ) )
+ return;
+
+ // tdf#98646 check if Rectangle which contains the bounds of the region to
+ // be shown eventually contains values that cause overflows when processing
+ // e.g. when calling GetWidth()
+ const bool bOverflowInX(!rtl::math::approxEqual(static_cast<double>(rRect.getWidth()), static_cast<double>(rRect.Right()) - static_cast<double>(rRect.Left())));
+ const bool bOverflowInY(!rtl::math::approxEqual(static_cast<double>(rRect.getHeight()), static_cast<double>(rRect.Bottom()) - static_cast<double>(rRect.Top())));
+
+ if(bOverflowInX || bOverflowInY)
+ {
+ SAL_WARN("sd", "The given Rectangle contains values that lead to numerical overflows (!)");
+ return;
+ }
+
+ // In older versions, if in X or Y the size of the object was
+ // smaller than the visible area, the user-defined zoom was
+ // changed. This was decided to be a bug for
+ // StarOffice 6.x (Apr 2002), thus I developed a
+ // version which instead handles X/Y bigger/smaller and visibility
+ // questions separately
+ const Size aLogicSize(rRect.GetSize());
+
+ // visible area
+ Size aVisSizePixel(rWin.GetOutputSizePixel());
+ bool bTiledRendering = comphelper::LibreOfficeKit::isActive() && !rWin.IsMapModeEnabled();
+ if (bTiledRendering)
+ {
+ rWin.GetOutDev()->Push(vcl::PushFlags::MAPMODE);
+ rWin.EnableMapMode();
+ }
+ ::tools::Rectangle aVisArea(rWin.PixelToLogic(::tools::Rectangle(Point(0,0), aVisSizePixel)));
+ if (bTiledRendering)
+ rWin.GetOutDev()->Pop();
+ Size aVisAreaSize(aVisArea.GetSize());
+
+ if ( aVisArea.Contains(rRect) )
+ return;
+
+ // object is not entirely in visible area
+ sal_Int32 nFreeSpaceX(aVisAreaSize.Width() - aLogicSize.Width());
+ sal_Int32 nFreeSpaceY(aVisAreaSize.Height() - aLogicSize.Height());
+
+ // allow a mode for move-only visibility without zooming.
+ const sal_Int32 nPercentBorder(30);
+ const ::tools::Rectangle aInnerRectangle(
+ aVisArea.Left() + ((aVisAreaSize.Width() * nPercentBorder) / 200),
+ aVisArea.Top() + ((aVisAreaSize.Height() * nPercentBorder) / 200),
+ aVisArea.Right() - ((aVisAreaSize.Width() * nPercentBorder) / 200),
+ aVisArea.Bottom() - ((aVisAreaSize.Height() * nPercentBorder) / 200)
+ );
+ Point aNewPos(aVisArea.TopLeft());
+
+ if(nFreeSpaceX < 0)
+ {
+ if(aInnerRectangle.Left() > rRect.Right())
+ {
+ // object moves out to the left
+ aNewPos.AdjustX( -(aVisAreaSize.Width() / 2) );
+ }
+
+ if(aInnerRectangle.Right() < rRect.Left())
+ {
+ // object moves out to the right
+ aNewPos.AdjustX(aVisAreaSize.Width() / 2 );
+ }
+ }
+ else
+ {
+ if(nFreeSpaceX > rRect.GetWidth())
+ {
+ nFreeSpaceX = rRect.GetWidth();
+ }
+
+ if(nFreeSpaceX <= 0)
+ {
+ SAL_WARN("sd", "The given Rectangle contains values that lead to numerical overflows (!)");
+ }
+ else
+ {
+ const ::tools::Long distRight(rRect.Right() - aNewPos.X() - aVisAreaSize.Width());
+
+ if(distRight > 0)
+ {
+ ::tools::Long mult = (distRight / nFreeSpaceX) + 1;
+ aNewPos.AdjustX(mult * nFreeSpaceX );
+ }
+
+ const ::tools::Long distLeft(aNewPos.X() - rRect.Left());
+
+ if(distLeft > 0)
+ {
+ ::tools::Long mult = (distLeft / nFreeSpaceX) + 1;
+ aNewPos.AdjustX( -(mult * nFreeSpaceX) );
+ }
+ }
+ }
+
+ if(nFreeSpaceY < 0)
+ {
+ if(aInnerRectangle.Top() > rRect.Bottom())
+ {
+ // object moves out to the top
+ aNewPos.AdjustY( -(aVisAreaSize.Height() / 2) );
+ }
+
+ if(aInnerRectangle.Bottom() < rRect.Top())
+ {
+ // object moves out to the right
+ aNewPos.AdjustY(aVisAreaSize.Height() / 2 );
+ }
+ }
+ else
+ {
+ if(nFreeSpaceY > rRect.GetHeight())
+ {
+ nFreeSpaceY = rRect.GetHeight();
+ }
+
+ if(nFreeSpaceY <= 0)
+ {
+ SAL_WARN("sd", "The given Rectangle contains values that lead to numerical overflows (!)");
+ }
+ else
+ {
+ const ::tools::Long distBottom(rRect.Bottom() - aNewPos.Y() - aVisAreaSize.Height());
+
+ if(distBottom > 0)
+ {
+ ::tools::Long mult = (distBottom / nFreeSpaceY) + 1;
+ aNewPos.AdjustY(mult * nFreeSpaceY );
+ }
+
+ const ::tools::Long distTop(aNewPos.Y() - rRect.Top());
+
+ if(distTop > 0)
+ {
+ ::tools::Long mult = (distTop / nFreeSpaceY) + 1;
+ aNewPos.AdjustY( -(mult * nFreeSpaceY) );
+ }
+ }
+ }
+
+ // did position change? Does it need to be set?
+ if(aNewPos != aVisArea.TopLeft())
+ {
+ aVisArea.SetPos(aNewPos);
+ SetZoomRect(aVisArea);
+ }
+}
+
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */