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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: */
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