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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 <tolayoutanchoredobjectposition.hxx>
#include <anchoredobject.hxx>
#include <frame.hxx>
#include <pagefrm.hxx>
#include <svx/svdobj.hxx>
#include <frmfmt.hxx>
#include <fmtanchr.hxx>
#include <fmtornt.hxx>
#include <fmtsrnd.hxx>
#include <frmatr.hxx>
#include <viewsh.hxx>
#include <viewopt.hxx>
#include <rootfrm.hxx>
#include <editeng/lrspitem.hxx>
#include <editeng/ulspitem.hxx>
using namespace objectpositioning;
using namespace ::com::sun::star;
SwToLayoutAnchoredObjectPosition::SwToLayoutAnchoredObjectPosition( SdrObject& _rDrawObj )
: SwAnchoredObjectPosition( _rDrawObj ),
maRelPos( Point() ),
// #i26791#
maOffsetToFrameAnchorPos( Point() )
{}
SwToLayoutAnchoredObjectPosition::~SwToLayoutAnchoredObjectPosition()
{}
/** calculate position for object position type TO_LAYOUT */
void SwToLayoutAnchoredObjectPosition::CalcPosition()
{
const SwRect aObjBoundRect( GetAnchoredObj().GetObjRect() );
SwRectFnSet aRectFnSet(&GetAnchorFrame());
const SwFrameFormat& rFrameFormat = GetFrameFormat();
const SvxLRSpaceItem &rLR = rFrameFormat.GetLRSpace();
const SvxULSpaceItem &rUL = rFrameFormat.GetULSpace();
const bool bFlyAtFly = RndStdIds::FLY_AT_FLY == rFrameFormat.GetAnchor().GetAnchorId();
// determine position.
// 'vertical' and 'horizontal' position are calculated separately
Point aRelPos;
// calculate 'vertical' position
SwFormatVertOrient aVert( rFrameFormat.GetVertOrient() );
{
// to-frame anchored objects are *only* vertical positioned centered or
// bottom, if its wrap mode is 'through' and its anchor frame has fixed
// size. Otherwise, it's positioned top.
sal_Int16 eVertOrient = aVert.GetVertOrient();
if ( bFlyAtFly &&
( eVertOrient == text::VertOrientation::CENTER ||
eVertOrient == text::VertOrientation::BOTTOM ) &&
css::text::WrapTextMode_THROUGH != rFrameFormat.GetSurround().GetSurround() &&
!GetAnchorFrame().HasFixSize() )
{
eVertOrient = text::VertOrientation::TOP;
}
// #i26791# - get vertical offset to frame anchor position.
SwTwips nVertOffsetToFrameAnchorPos( 0 );
SwTwips nRelPosY =
GetVertRelPos( GetAnchorFrame(), GetAnchorFrame(), eVertOrient,
aVert.GetRelationOrient(), aVert.GetPos(),
rLR, rUL, nVertOffsetToFrameAnchorPos );
// keep the calculated relative vertical position - needed for filters
// (including the xml-filter)
{
SwTwips nAttrRelPosY = nRelPosY - nVertOffsetToFrameAnchorPos;
if ( aVert.GetVertOrient() != text::VertOrientation::NONE &&
aVert.GetPos() != nAttrRelPosY )
{
aVert.SetPos( nAttrRelPosY );
const_cast<SwFrameFormat&>(rFrameFormat).LockModify();
const_cast<SwFrameFormat&>(rFrameFormat).SetFormatAttr( aVert );
const_cast<SwFrameFormat&>(rFrameFormat).UnlockModify();
}
}
// determine absolute 'vertical' position, depending on layout-direction
// #i26791# - determine offset to 'vertical' frame
// anchor position, depending on layout-direction
if( aRectFnSet.IsVert() )
{
if ( aRectFnSet.IsVertL2R() )
aRelPos.setX( nRelPosY );
else
aRelPos.setX( -nRelPosY - aObjBoundRect.Width() );
maOffsetToFrameAnchorPos.setX( nVertOffsetToFrameAnchorPos );
}
else
{
aRelPos.setY( nRelPosY );
maOffsetToFrameAnchorPos.setY( nVertOffsetToFrameAnchorPos );
}
// if in online-layout the bottom of to-page anchored object is beyond
// the page bottom, the page frame has to grow by growing its body frame.
const SwViewShell *pSh = GetAnchorFrame().getRootFrame()->GetCurrShell();
if ( !bFlyAtFly && GetAnchorFrame().IsPageFrame() &&
pSh && pSh->GetViewOptions()->getBrowseMode() )
{
const long nAnchorBottom = GetAnchorFrame().getFrameArea().Bottom();
const long nBottom = GetAnchorFrame().getFrameArea().Top() +
aRelPos.Y() + aObjBoundRect.Height();
if ( nAnchorBottom < nBottom )
{
static_cast<SwPageFrame&>(GetAnchorFrame()).
FindBodyCont()->Grow( nBottom - nAnchorBottom );
}
}
} // end of determination of vertical position
// calculate 'horizontal' position
SwFormatHoriOrient aHori( rFrameFormat.GetHoriOrient() );
{
// consider toggle of horizontal position for even pages.
const bool bToggle = aHori.IsPosToggle() &&
!GetAnchorFrame().FindPageFrame()->OnRightPage();
sal_Int16 eHoriOrient = aHori.GetHoriOrient();
sal_Int16 eRelOrient = aHori.GetRelationOrient();
// toggle orientation
ToggleHoriOrientAndAlign( bToggle, eHoriOrient, eRelOrient );
// determine alignment values:
// <nWidth>: 'width' of the alignment area
// <nOffset>: offset of alignment area, relative to 'left' of
// frame anchor position
SwTwips nWidth, nOffset;
{
bool bDummy; // in this context irrelevant output parameter
GetHoriAlignmentValues( GetAnchorFrame(), GetAnchorFrame(),
eRelOrient, false,
nWidth, nOffset, bDummy );
}
SwTwips nObjWidth = aRectFnSet.GetWidth(aObjBoundRect);
// determine relative horizontal position
SwTwips nRelPosX;
if ( text::HoriOrientation::NONE == eHoriOrient )
{
if( bToggle ||
( !aHori.IsPosToggle() && GetAnchorFrame().IsRightToLeft() ) )
{
nRelPosX = nWidth - nObjWidth - aHori.GetPos();
}
else
{
nRelPosX = aHori.GetPos();
}
}
else if ( text::HoriOrientation::CENTER == eHoriOrient )
nRelPosX = (nWidth / 2) - (nObjWidth / 2);
else if ( text::HoriOrientation::RIGHT == eHoriOrient )
nRelPosX = nWidth - ( nObjWidth +
( aRectFnSet.IsVert() ? rUL.GetLower() : rLR.GetRight() ) );
else
nRelPosX = aRectFnSet.IsVert() ? rUL.GetUpper() : rLR.GetLeft();
nRelPosX += nOffset;
// no 'negative' relative horizontal position
// OD 06.11.2003 #FollowTextFlowAtFrame# - negative positions allow for
// to frame anchored objects.
if ( !bFlyAtFly && nRelPosX < 0 )
{
nRelPosX = 0;
}
// determine absolute 'horizontal' position, depending on layout-direction
// #i26791# - determine offset to 'horizontal' frame
// anchor position, depending on layout-direction
if( aRectFnSet.IsVert() || aRectFnSet.IsVertL2R() )
{
aRelPos.setY( nRelPosX );
maOffsetToFrameAnchorPos.setY( nOffset );
}
else
{
aRelPos.setX( nRelPosX );
maOffsetToFrameAnchorPos.setX( nOffset );
}
// keep the calculated relative horizontal position - needed for filters
// (including the xml-filter)
{
SwTwips nAttrRelPosX = nRelPosX - nOffset;
if ( text::HoriOrientation::NONE != aHori.GetHoriOrient() &&
aHori.GetPos() != nAttrRelPosX )
{
aHori.SetPos( nAttrRelPosX );
const_cast<SwFrameFormat&>(rFrameFormat).LockModify();
const_cast<SwFrameFormat&>(rFrameFormat).SetFormatAttr( aHori );
const_cast<SwFrameFormat&>(rFrameFormat).UnlockModify();
}
}
} // end of determination of horizontal position
// keep calculate relative position
maRelPos = aRelPos;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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