1 files changed, 203 insertions, 0 deletions
diff --git a/sd/source/ui/view/drviewsh.cxx b/sd/source/ui/view/drviewsh.cxx
new file mode 100644
index 000000000..f6e927069
--- /dev/null
+++ b/sd/source/ui/view/drviewsh.cxx
@@ -0,0 +1,203 @@
+/* -*- 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(const OUString& 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.Push(PushFlags::MAPMODE);
+        rWin.EnableMapMode();
+    }
+    ::tools::Rectangle aVisArea(rWin.PixelToLogic(::tools::Rectangle(Point(0,0), aVisSizePixel)));
+    if (bTiledRendering)
+        rWin.Pop();
+    Size aVisAreaSize(aVisArea.GetSize());
+
+    if ( aVisArea.IsInside(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 long distRight(rRect.Right() - aNewPos.X() - aVisAreaSize.Width());
+
+            if(distRight > 0)
+            {
+                long mult = (distRight / nFreeSpaceX) + 1;
+                aNewPos.AdjustX(mult * nFreeSpaceX );
+            }
+
+            const long distLeft(aNewPos.X() - rRect.Left());
+
+            if(distLeft > 0)
+            {
+                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 long distBottom(rRect.Bottom() - aNewPos.Y() - aVisAreaSize.Height());
+
+            if(distBottom > 0)
+            {
+                long mult = (distBottom / nFreeSpaceY) + 1;
+                aNewPos.AdjustY(mult * nFreeSpaceY );
+            }
+
+            const long distTop(aNewPos.Y() - rRect.Top());
+
+            if(distTop > 0)
+            {
+                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: */