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Diffstat (limited to 'sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx')
| -rw-r--r-- | sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx | 226 |
1 files changed, 226 insertions, 0 deletions
diff --git a/sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx b/sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx new file mode 100644 index 0000000000..3e7d98bf7a --- /dev/null +++ b/sw/source/core/objectpositioning/tolayoutanchoredobjectposition.cxx @@ -0,0 +1,226 @@ +/* -*- 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 ::com::sun::star; + +namespace objectpositioning +{ +SwToLayoutAnchoredObjectPosition::SwToLayoutAnchoredObjectPosition( SdrObject& _rDrawObj ) + : SwAnchoredObjectPosition( _rDrawObj ) +{} + +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 tools::Long nAnchorBottom = GetAnchorFrame().getFrameArea().Bottom(); + const tools::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: */ |