/* -*- 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 .
*/
if ( mpAnchorFrame )
{
ObjectAttachedToAnchorFrame();
}
}
/** determine anchor frame containing the anchor position
#i26945# the anchor frame, which is determined, is <mpAnchorFrame> for an at-page, at-frame or at-paragraph anchored object and the anchor character frame for an at-character and as-character anchored object.
*/
SwFrame* SwAnchoredObject::GetAnchorFrameContainingAnchPos()
{
SwFrame* pAnchorFrameContainingAnchPos = FindAnchorCharFrame(); if ( !pAnchorFrameContainingAnchPos )
{
pAnchorFrameContainingAnchPos = AnchorFrame();
}
// clear member, which denotes the layout frame at which the vertical // position is oriented at, if it doesn't fit to the new page frame. if ( GetVertPosOrientFrame() &&
( !_pNewPageFrame ||
_pNewPageFrame != GetVertPosOrientFrame()->FindPageFrame() ) )
{
ClearVertPosOrientFrame();
}
// assign new page frame
mpPageFrame = _pNewPageFrame;
}
// #i28701# - take over functionality of deleted method // <SwFlyAtContentFrame::AssertPage()>: assure for at-paragraph and at-character // an anchored object, that it is registered at the correct page frame
RegisterAtCorrectPage();
}
/** check anchor character rectangle and top of line
#i26791 For to-character anchored Writer fly frames the members <maLastCharRect> and <maLastTopOfLine> are updated. These are checked for change and depending on the applied positioning, it's decided, if the Writer fly frame has to be invalidated.
add parameter <_bCheckForParaPorInf>, default value <true>
*/ void SwAnchoredObject::CheckCharRectAndTopOfLine( constbool _bCheckForParaPorInf )
{ if ( !(GetAnchorFrame() &&
GetAnchorFrame()->IsTextFrame()) ) return;
// --> if requested, assure that anchor frame, // which contains the anchor character, has a paragraph portion information. // The paragraph portion information is needed to determine the // anchor character rectangle respectively the top of the line. // Thus, a format of this frame is avoided to determine the // paragraph portion information. // --> #i26945# - use new method <FindAnchorCharFrame()> const SwTextFrame& aAnchorCharFrame = *(FindAnchorCharFrame()); if ( !_bCheckForParaPorInf || aAnchorCharFrame.HasPara() )
{
CheckCharRect( rAnch, aAnchorCharFrame );
CheckTopOfLine( rAnch, aAnchorCharFrame );
}
}
/** check anchor character rectangle
#i22341# helper method for method <CheckCharRectAndTopOfLine()> For to-character anchored Writer fly frames the member <maLastCharRect> is updated. This is checked for change and depending on the applied positioning, it's decided, if the Writer fly frame has to be invalidated.
improvement - add second parameter <_rAnchorCharFrame>
*/ void SwAnchoredObject::CheckCharRect( const SwFormatAnchor& _rAnch, const SwTextFrame& _rAnchorCharFrame )
{ // determine rectangle of anchor character. If not exist, abort operation
SwRect aCharRect; if ( !_rAnchorCharFrame.GetAutoPos( aCharRect, *_rAnch.GetContentAnchor() ) )
{ return;
} // check, if anchor character rectangle has changed if ( aCharRect == maLastCharRect ) return;
// check positioning and alignment for invalidation of position
{
SwRectFnSet aRectFnSet(&_rAnchorCharFrame); // determine positioning and alignment const SwFrameFormat* pObjFormat = GetFrameFormat();
SwFormatVertOrient aVert( pObjFormat->GetVertOrient() );
SwFormatHoriOrient aHori( pObjFormat->GetHoriOrient() ); // check for anchor character rectangle changes for certain // positionings and alignments // add condition to invalidate position, // if vertical aligned at frame/page area and vertical position // of anchor character has changed. const sal_Int16 eVertRelOrient = aVert.GetRelationOrient(); if ( ( aHori.GetRelationOrient() == text::RelOrientation::CHAR &&
aRectFnSet.GetLeft(aCharRect) != aRectFnSet.GetLeft(maLastCharRect) ) ||
( eVertRelOrient == text::RelOrientation::CHAR &&
( aRectFnSet.GetTop(aCharRect) != aRectFnSet.GetTop(maLastCharRect) ||
aRectFnSet.GetHeight(aCharRect) != aRectFnSet.GetHeight(maLastCharRect) ) ) ||
( ( ( eVertRelOrient == text::RelOrientation::FRAME ) ||
( eVertRelOrient == text::RelOrientation::PRINT_AREA ) ||
( eVertRelOrient == text::RelOrientation::PAGE_FRAME ) ||
( eVertRelOrient == text::RelOrientation::PAGE_PRINT_AREA ) ) &&
( aRectFnSet.GetTop(aCharRect) != aRectFnSet.GetTop(maLastCharRect) ) ) )
{ // #i26945#, #i35911# - unlock position of // anchored object, if it isn't registered at the page, // where its anchor character frame is on. if ( GetPageFrame() != _rAnchorCharFrame.FindPageFrame() )
{
UnlockPosition();
}
InvalidateObjPos();
}
} // keep new anchor character rectangle
maLastCharRect = aCharRect;
}
/** check top of line
#i22341# helper method for method <CheckCharRectAndTopOfLine()> For to-character anchored Writer fly frames the member <mnLastTopOfLine> is updated. This is checked for change and depending on the applied positioning, it's decided, if the Writer fly frame has to be invalidated.
// check alignment for invalidation of position if ( GetFrameFormat()->GetVertOrient().GetRelationOrient() == text::RelOrientation::TEXT_LINE )
{ // #i26945#, #i35911# - unlock position of // anchored object, if it isn't registered at the page, // where its anchor character frame is on. if ( GetPageFrame() != _rAnchorCharFrame.FindPageFrame() )
{
UnlockPosition();
}
InvalidateObjPos();
} // keep new top of line value
mnLastTopOfLine = nTopOfLine;
}
void SwAnchoredObject::SetCurrRelPos( Point _aRelPos )
{
maRelPos = _aRelPos;
}
void SwAnchoredObject::ObjectAttachedToAnchorFrame()
{ // default behaviour: // update layout direction, the anchored object is assigned to
UpdateLayoutDir();
}
/** method update layout direction the layout direction, the anchored object is in
#i31698# method has typically to be called, if the anchored object gets its anchor frame assigned.
*/ void SwAnchoredObject::UpdateLayoutDir()
{
SwFrameFormat::tLayoutDir nLayoutDir = SwFrameFormat::HORI_L2R; const SwFrame* pAnchorFrame = GetAnchorFrame(); if ( pAnchorFrame )
{ constbool bVert = pAnchorFrame->IsVertical(); constbool bR2L = pAnchorFrame->IsRightToLeft(); if ( bVert )
{
nLayoutDir = SwFrameFormat::VERT_R2L;
} elseif ( bR2L )
{
nLayoutDir = SwFrameFormat::HORI_R2L;
}
}
GetFrameFormat()->SetLayoutDir( nLayoutDir );
}
/** method to perform necessary invalidations for the positioning of objects, for whose the wrapping style influence has to be considered on the object positioning.
#i28701#
*/ void SwAnchoredObject::InvalidateObjPosForConsiderWrapInfluence()
{ if ( ConsiderObjWrapInfluenceOnObjPos() )
{ // indicate that object has not to be considered for text wrap
SetConsiderForTextWrap( false ); // unlock position
UnlockPosition(); // invalidate position
InvalidateObjPos(); // invalidate 'background'
NotifyBackground( GetPageFrame(), GetObjRectWithSpaces(), PrepareHint::FlyFrameLeave );
}
}
/** method to determine, if wrapping style influence of the anchored object has to be considered on the object positioning
#i28701# Note: result of this method also decides, if the booleans for the layout process are of relevance.
*/ bool SwAnchoredObject::ConsiderObjWrapInfluenceOnObjPos() const
{ bool bRet( false );
if (const SwFrameFormat* pObjFormat = GetFrameFormat())
{ // --> #i3317# - add condition <IsTmpConsiderWrapInfluence()> // --> #i55204# // - correction: wrapping style influence has been considered, if condition // <IsTmpConsiderWrapInfluence()> is hold, regardless of its anchor type // or its wrapping style. if (IsTmpConsiderWrapInfluence())
{
bRet = true;
} elseif (pObjFormat->getIDocumentSettingAccess().get(
DocumentSettingId::CONSIDER_WRAP_ON_OBJECT_POSITION))
{ const SwFormatAnchor& rAnchor = pObjFormat->GetAnchor(); if (((rAnchor.GetAnchorId() == RndStdIds::FLY_AT_CHAR)
|| (rAnchor.GetAnchorId() == RndStdIds::FLY_AT_PARA))
&& pObjFormat->GetSurround().GetSurround() != css::text::WrapTextMode_THROUGH)
{ // --> #i34520# - text also wraps around anchored // objects in the layer Hell - see the text formatting. // Thus, it hasn't to be checked here.
bRet = true;
}
}
}
return bRet;
}
/** method to determine, if other anchored objects, also attached at to the anchor frame, have to consider its wrap influence.
/** method to update anchored object in the <SwSortedObjs> lists
#i28701# If document compatibility option 'Consider wrapping style influence on object positioning' is ON, additionally all anchored objects at the anchor frame and all following anchored objects on the page frame are invalidated.
*/
if ( GetFrameFormat()->getIDocumentSettingAccess().get(DocumentSettingId::CONSIDER_WRAP_ON_OBJECT_POSITION) )
{ // invalidate position of all anchored objects at anchor frame if ( GetAnchorFrame()->GetDrawObjs() )
{ const SwSortedObjs* pObjs = GetAnchorFrame()->GetDrawObjs(); for(auto it = pObjs->begin(); it != pObjs->end(); ++it)
{
SwAnchoredObject* pAnchoredObj = *it; if(pAnchoredObj->ConsiderObjWrapInfluenceOnObjPos())
pAnchoredObj->InvalidateObjPosForConsiderWrapInfluence(); else
pAnchoredObj->InvalidateObjPos();
}
} // invalidate all following anchored objects on the page frame if ( GetPageFrame() && GetPageFrame()->GetSortedObjs() )
{ const SwSortedObjs* pObjs = GetPageFrame()->GetSortedObjs(); // determine start index for ( size_t i = pObjs->ListPosOf( *this ) + 1; i < pObjs->size(); ++i )
{
SwAnchoredObject* pAnchoredObj = (*pObjs)[i]; if ( pAnchoredObj->ConsiderObjWrapInfluenceOnObjPos() )
pAnchoredObj->InvalidateObjPosForConsiderWrapInfluence(); else
pAnchoredObj->InvalidateObjPos();
}
}
} // update its position in the sorted object list of its anchor frame
AnchorFrame()->GetDrawObjs()->Update( *this ); // update its position in the sorted object list of its page frame // note: as-character anchored object aren't registered at a page frame if ( GetPageFrame() && GetPageFrame()->GetSortedObjs() &&
GetFrameFormat()->GetAnchor().GetAnchorId() != RndStdIds::FLY_AS_CHAR )
{
GetPageFrame()->GetSortedObjs()->Update( *this );
}
}
/** method to determine, if invalidation of position is allowed
#i28701#
*/ bool SwAnchoredObject::InvalidationOfPosAllowed() const
{ // --> Check, if page frame layout is in progress, // isn't needed, because of anchored object, whose are moved forward. return !PositionLocked();
}
/** method to determine the page frame, on which the 'anchor' of the given anchored object is.
#i28701# #i33751#, #i34060# Adjust meaning of method and thus its name: If the anchored object or its anchor isn't correctly inserted in the layout, no page frame can be found. Thus, the return type changed to be a pointer and can be NULL.
*/
SwPageFrame* SwAnchoredObject::FindPageFrameOfAnchor()
{
SwPageFrame* pRetPageFrame = nullptr;
// --> #i44339# - check, if anchor frame exists. if ( mpAnchorFrame )
{ // --> #i26945# - use new method <GetAnchorFrameContainingAnchPos()>
pRetPageFrame = GetAnchorFrameContainingAnchPos()->FindPageFrame();
}
return pRetPageFrame;
}
/** get frame, which contains the anchor character, if the object is anchored at-character or as-character.
#i26945#
@return SwTextFrame* text frame containing the anchor character. It's NULL, if the object isn't anchored at-character resp. as-character.
*/
SwTextFrame* SwAnchoredObject::FindAnchorCharFrame()
{
SwTextFrame* pAnchorCharFrame( nullptr );
// --> #i44339# - check, if anchor frame exists. if ( mpAnchorFrame )
{ if (const SwFrameFormat* pFormat = GetFrameFormat())
{ const SwFormatAnchor& rAnch = pFormat->GetAnchor(); if ((rAnch.GetAnchorId() == RndStdIds::FLY_AT_CHAR)
|| (rAnch.GetAnchorId() == RndStdIds::FLY_AS_CHAR))
{ // When the object was already removed from text, but the layout hasn't been // updated yet, this can be nullptr: if (const SwPosition* pContentAnchor = rAnch.GetContentAnchor())
{
SwTextFrame* const pFrame(static_cast<SwTextFrame*>(AnchorFrame()));
TextFrameIndex const nOffset(pFrame->MapModelToViewPos(*pContentAnchor));
pAnchorCharFrame = &pFrame->GetFrameAtOfst(nOffset);
}
} elseif (SwFlyFrame* pFlyFrame = DynCastFlyFrame())
{ // See if this fly is split. If so, then the anchor is also split. All anchors are // empty, except the last follow. if (pFlyFrame->IsFlySplitAllowed())
{ auto pFlyAtContentFrame = static_cast<SwFlyAtContentFrame*>(pFlyFrame);
SwFlyAtContentFrame* pFly = pFlyAtContentFrame;
SwTextFrame* pAnchor = static_cast<SwTextFrame*>(AnchorFrame()); // If we have to jump back N frames to find the master fly, then we have to step N // frames from the master anchor to reach the correct follow anchor. while (pFly->GetPrecede())
{
pFly = pFly->GetPrecede(); if (!pAnchor)
{
SAL_WARN("sw.layout", "SwAnchoredObject::FindAnchorCharFrame: fly chain " "length is longer then anchor chain length"); break;
}
pAnchor = pAnchor->GetFollow();
} if (pAnchor)
{
pAnchorCharFrame = pAnchor;
}
}
}
}
}
return pAnchorCharFrame;
}
/** method to determine, if a format on the anchored object is possible
#i28701# A format is possible, if anchored object is in an invisible layer. Note: method is virtual to refine the conditions for the sub-classes.
*/ bool SwAnchoredObject::IsFormatPossible() const
{ if (const SwFrameFormat* pFormat = GetFrameFormat()) return pFormat->GetDoc().getIDocumentDrawModelAccess().IsVisibleLayerId( GetDrawObj()->GetLayer() ); returnfalse;
}
bool SwAnchoredObject::IsDraggingOffPageAllowed(const SwFrameFormat* pFrameFormat)
{
assert(pFrameFormat); constbool bDisablePositioning = pFrameFormat->getIDocumentSettingAccess().get(DocumentSettingId::DISABLE_OFF_PAGE_POSITIONING); // If this fly is paired with a draw format, then take the wrap text mode from the outer draw // format, since the fly format is always wrap through.
SwFrameFormat* pDrawFormat = SwTextBoxHelper::getOtherTextBoxFormat(pFrameFormat, RES_FLYFRMFMT); const SwFrameFormat* pFormat = pDrawFormat ? pDrawFormat : pFrameFormat; constbool bIsWrapThrough = pFormat->GetSurround().GetSurround() == text::WrapTextMode::WrapTextMode_THROUGH;
/** method to determine, if the anchored object is overlapping with a previous column
#i3317# overlapping with a previous column means, that the object overlaps with a column, which is a previous one of the column its anchor frame is in. Only applied for at-paragraph and at-character anchored objects.
*/ bool SwAnchoredObject::OverlapsPrevColumn() const
{ bool bOverlapsPrevColumn( false );
/** method to determine position of anchored object relative to page frame
#i30669# Usage: Needed layout information for WW8 export #i33818# - add parameters <_bFollowTextFlow> and <_obRelToTableCell> If <_bFollowTextFlow> is set and object is anchored inside table, the position relative to the table cell is determined. Output parameter <_obRelToTableCell> reflects this situation
*/
Point SwAnchoredObject::GetRelPosToPageFrame( constbool _bFollowTextFlow, bool& _obRelToTableCell ) const
{
Point aRelPos;
_obRelToTableCell = false;
aRelPos = GetObjRect().Pos(); // --> #i33818# - search for cell frame, if object has to // follow the text flow. const SwFrame* pFrame( nullptr ); if ( _bFollowTextFlow && !GetAnchorFrame()->IsPageFrame() )
{
pFrame = GetAnchorFrame()->GetUpper(); while ( !pFrame->IsCellFrame() && !pFrame->IsPageFrame() )
{
pFrame = pFrame->GetUpper();
}
} else
{
pFrame = GetAnchorFrame()->FindPageFrame();
} if ( pFrame->IsCellFrame() )
{
aRelPos -= pFrame->getFrameArea().Pos() + pFrame->getFramePrintArea().Pos();
_obRelToTableCell = true;
} else
{
aRelPos -= pFrame->getFrameArea().Pos();
}
return aRelPos;
}
/** method to determine position of anchored object relative to anchor character
#i30669# Usage: Needed layout information for WW8 export
*/
Point SwAnchoredObject::GetRelPosToChar() const
{
Point aRelPos = GetObjRect().Pos();
aRelPos -= GetLastCharRect().Pos();
return aRelPos;
}
/** method to determine position of anchored object relative to top of line
#i30669# Usage: Needed layout information for WW8 export
*/
Point SwAnchoredObject::GetRelPosToLine() const
{
Point aRelPos = GetObjRect().Pos();
aRelPos.AdjustY( -(GetLastTopOfLine()) );
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