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sw/source/ui/dbui/dbinsdlg.cxx sw/source/ui/dbui/dbmgr.cxx sw/source/ui/dbui/dbtree.cxx sw/source/ui/dbui/makefile.mk sw/source/ui/dbui/mmaddressblockpage.cxx sw/source/ui/dbui/mmdocselectpage.cxx sw/source/ui/dbui/mmoutputpage.cxx sw/source/ui/dbui/swdbtoolsclient.cxx sw/source/ui/dialog/abstract.cxx sw/source/ui/dialog/ascfldlg.cxx sw/source/ui/dialog/macassgn.cxx sw/source/ui/dialog/makefile.mk sw/source/ui/dialog/regionsw.cxx sw/source/ui/dialog/swdlgfact.cxx sw/source/ui/dialog/swdlgfact.hxx sw/source/ui/dialog/uiregionsw.cxx sw/source/ui/dochdl/gloshdl.cxx sw/source/ui/dochdl/makefile.mk sw/source/ui/dochdl/swdtflvr.cxx sw/source/ui/docvw/PostItMgr.cxx sw/source/ui/docvw/SidebarWin.cxx sw/source/ui/docvw/edtdd.cxx sw/source/ui/docvw/edtwin.cxx sw/source/ui/docvw/edtwin2.cxx sw/source/ui/docvw/edtwin3.cxx sw/source/ui/docvw/makefile.mk sw/source/ui/docvw/romenu.cxx sw/source/ui/docvw/romenu.hxx sw/source/ui/docvw/srcedtw.cxx sw/source/ui/envelp/envfmt.cxx sw/source/ui/envelp/envimg.cxx sw/source/ui/envelp/envlop1.cxx sw/source/ui/envelp/envprt.cxx sw/source/ui/envelp/label1.cxx sw/source/ui/envelp/labfmt.cxx sw/source/ui/envelp/labprt.cxx sw/source/ui/envelp/mailmrge.cxx sw/source/ui/envelp/makefile.mk sw/source/ui/fldui/flddb.cxx sw/source/ui/fldui/flddinf.cxx sw/source/ui/fldui/flddok.cxx sw/source/ui/fldui/fldedt.cxx sw/source/ui/fldui/fldfunc.cxx sw/source/ui/fldui/fldmgr.cxx sw/source/ui/fldui/fldpage.cxx sw/source/ui/fldui/fldref.cxx sw/source/ui/fldui/fldtdlg.cxx sw/source/ui/fldui/fldvar.cxx sw/source/ui/fldui/fldwrap.cxx sw/source/ui/fldui/inpdlg.cxx sw/source/ui/fldui/makefile.mk sw/source/ui/fmtui/makefile.mk sw/source/ui/fmtui/tmpdlg.cxx sw/source/ui/frmdlg/colmgr.cxx sw/source/ui/frmdlg/column.cxx sw/source/ui/frmdlg/cption.cxx sw/source/ui/frmdlg/frmdlg.cxx sw/source/ui/frmdlg/frmmgr.cxx sw/source/ui/frmdlg/frmpage.cxx sw/source/ui/frmdlg/makefile.mk sw/source/ui/frmdlg/wrap.cxx sw/source/ui/globdoc/makefile.mk sw/source/ui/inc/bmpwin.hxx sw/source/ui/inc/colmgr.hxx sw/source/ui/inc/column.hxx sw/source/ui/inc/envimg.hxx sw/source/ui/inc/envlop.hxx sw/source/ui/inc/frmpage.hxx sw/source/ui/inc/inputwin.hxx sw/source/ui/inc/javaedit.hxx sw/source/ui/inc/num.hxx sw/source/ui/inc/optpage.hxx sw/source/ui/inc/regionsw.hxx sw/source/ui/inc/split.hxx sw/source/ui/inc/swlbox.hxx sw/source/ui/inc/swmn_tmpl.hrc sw/source/ui/inc/swuiidxmrk.hxx sw/source/ui/inc/tabsh.hxx sw/source/ui/inc/toxmgr.hxx sw/source/ui/inc/uiitems.hxx sw/source/ui/inc/view.hxx sw/source/ui/inc/workctrl.hxx sw/source/ui/inc/wrap.hxx sw/source/ui/inc/wrtsh.hxx sw/source/ui/index/cnttab.cxx sw/source/ui/index/makefile.mk sw/source/ui/index/toxmgr.cxx sw/source/ui/lingu/hhcwrp.cxx sw/source/ui/lingu/makefile.mk sw/source/ui/lingu/olmenu.cxx sw/source/ui/misc/bookmark.cxx sw/source/ui/misc/docfnote.cxx sw/source/ui/misc/glosbib.cxx sw/source/ui/misc/glosdoc.cxx sw/source/ui/misc/glshell.cxx sw/source/ui/misc/insfnote.cxx sw/source/ui/misc/linenum.cxx sw/source/ui/misc/makefile.mk sw/source/ui/misc/num.cxx sw/source/ui/misc/numberingtypelistbox.cxx sw/source/ui/misc/outline.cxx sw/source/ui/misc/pgfnote.cxx sw/source/ui/misc/pggrid.cxx sw/source/ui/misc/redlndlg.cxx sw/source/ui/misc/srtdlg.cxx sw/source/ui/misc/swmodalredlineacceptdlg.cxx sw/source/ui/ribbar/conarc.cxx sw/source/ui/ribbar/drawbase.cxx sw/source/ui/ribbar/inputwin.cxx sw/source/ui/ribbar/inputwin.src sw/source/ui/ribbar/makefile.mk sw/source/ui/ribbar/tbxanchr.cxx sw/source/ui/ribbar/workctrl.cxx sw/source/ui/ribbar/workctrl.src sw/source/ui/shells/annotsh.cxx sw/source/ui/shells/basesh.cxx sw/source/ui/shells/beziersh.cxx sw/source/ui/shells/drawdlg.cxx sw/source/ui/shells/drwbassh.cxx sw/source/ui/shells/drwtxtex.cxx sw/source/ui/shells/drwtxtsh.cxx sw/source/ui/shells/frmsh.cxx sw/source/ui/shells/grfsh.cxx sw/source/ui/shells/grfshex.cxx sw/source/ui/shells/makefile.mk sw/source/ui/shells/tabsh.cxx sw/source/ui/shells/textfld.cxx sw/source/ui/shells/textglos.cxx sw/source/ui/shells/textsh.cxx sw/source/ui/shells/textsh1.cxx sw/source/ui/shells/txtattr.cxx sw/source/ui/shells/txtcrsr.cxx sw/source/ui/shells/txtnum.cxx sw/source/ui/table/convert.cxx sw/source/ui/table/instable.cxx sw/source/ui/table/makefile.mk sw/source/ui/table/swtablerep.cxx sw/source/ui/table/tabledlg.cxx sw/source/ui/table/tablemgr.cxx sw/source/ui/table/tablepg.hxx sw/source/ui/table/tautofmt.cxx sw/source/ui/uiview/formatclipboard.cxx sw/source/ui/uiview/makefile.mk sw/source/ui/uiview/pview.cxx sw/source/ui/uiview/pview.src sw/source/ui/uiview/scroll.cxx sw/source/ui/uiview/srcview.cxx sw/source/ui/uiview/swcli.cxx sw/source/ui/uiview/uivwimp.cxx sw/source/ui/uiview/view.cxx sw/source/ui/uiview/view1.cxx sw/source/ui/uiview/view2.cxx sw/source/ui/uiview/viewcoll.cxx sw/source/ui/uiview/viewdlg2.cxx sw/source/ui/uiview/viewling.cxx sw/source/ui/uiview/viewmdi.cxx sw/source/ui/uiview/viewport.cxx sw/source/ui/uiview/viewprt.cxx sw/source/ui/uiview/viewsrch.cxx sw/source/ui/uiview/viewtab.cxx sw/source/ui/uno/SwXDocumentSettings.cxx sw/source/ui/uno/SwXPrintPreviewSettings.cxx sw/source/ui/uno/SwXPrintPreviewSettings.hxx sw/source/ui/uno/unoatxt.cxx sw/source/ui/uno/unomod.cxx sw/source/ui/uno/unotxdoc.cxx sw/source/ui/uno/unotxvw.cxx sw/source/ui/utlui/attrdesc.cxx sw/source/ui/utlui/content.cxx sw/source/ui/utlui/glbltree.cxx sw/source/ui/utlui/initui.cxx sw/source/ui/utlui/makefile.mk sw/source/ui/utlui/navipi.cxx sw/source/ui/utlui/navipi.src sw/source/ui/utlui/numfmtlb.cxx sw/source/ui/utlui/prcntfld.cxx sw/source/ui/utlui/uiitems.cxx sw/source/ui/utlui/uitool.cxx sw/source/ui/utlui/unotools.cxx sw/source/ui/utlui/viewlayoutctrl.cxx sw/source/ui/utlui/zoomctrl.cxx sw/source/ui/vba/makefile.mk sw/source/ui/vba/service.cxx sw/source/ui/web/makefile.mk sw/source/ui/wrtsh/makefile.mk sw/source/ui/wrtsh/wrtsh1.cxx sw/source/ui/wrtsh/wrtsh2.cxx sw/source/ui/wrtsh/wrtsh4.cxx sw/source/ui/wrtsh/wrtundo.cxx sw/util/hidother.src sw/util/makefile.mk sw/util/msword.map
575 lines
21 KiB
C++
575 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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// MARKER(update_precomp.py): autogen include statement, do not remove
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#include "precompiled_sw.hxx"
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#include "hintids.hxx"
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#include "layfrm.hxx"
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#include "ftnboss.hxx"
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#include "ndtxt.hxx"
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#include "paratr.hxx"
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#include <editeng/orphitem.hxx>
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#include <editeng/widwitem.hxx>
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#include <editeng/keepitem.hxx>
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#include <editeng/spltitem.hxx>
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#include <frmatr.hxx>
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#include <txtftn.hxx>
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#include <fmtftn.hxx>
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#include <rowfrm.hxx>
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#include "widorp.hxx"
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#include "txtfrm.hxx"
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#include "itrtxt.hxx"
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#include "sectfrm.hxx" //SwSectionFrm
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#include "ftnfrm.hxx"
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#undef WIDOWTWIPS
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/*************************************************************************
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* inline IsNastyFollow()
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*************************************************************************/
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// Ein Follow, der auf der selben Seite steht, wie sein Master ist nasty.
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inline sal_Bool IsNastyFollow( const SwTxtFrm *pFrm )
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{
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OSL_ENSURE( !pFrm->IsFollow() || !pFrm->GetPrev() ||
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((const SwTxtFrm*)pFrm->GetPrev())->GetFollow() == pFrm,
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"IsNastyFollow: Was ist denn hier los?" );
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return pFrm->IsFollow() && pFrm->GetPrev();
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}
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/*************************************************************************
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* SwTxtFrmBreak::SwTxtFrmBreak()
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*************************************************************************/
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SwTxtFrmBreak::SwTxtFrmBreak( SwTxtFrm *pNewFrm, const SwTwips nRst )
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: nRstHeight(nRst), pFrm(pNewFrm)
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{
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SWAP_IF_SWAPPED( pFrm )
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SWRECTFN( pFrm )
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nOrigin = (pFrm->*fnRect->fnGetPrtTop)();
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SwSectionFrm* pSct;
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bKeep = !pFrm->IsMoveable() || IsNastyFollow( pFrm ) ||
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( pFrm->IsInSct() && (pSct=pFrm->FindSctFrm())->Lower()->IsColumnFrm()
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&& !pSct->MoveAllowed( pFrm ) ) ||
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!pFrm->GetTxtNode()->GetSwAttrSet().GetSplit().GetValue() ||
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pFrm->GetTxtNode()->GetSwAttrSet().GetKeep().GetValue();
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bBreak = sal_False;
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if( !nRstHeight && !pFrm->IsFollow() && pFrm->IsInFtn() && pFrm->HasPara() )
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{
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nRstHeight = pFrm->GetFtnFrmHeight();
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nRstHeight += (pFrm->Prt().*fnRect->fnGetHeight)() -
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(pFrm->Frm().*fnRect->fnGetHeight)();
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if( nRstHeight < 0 )
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nRstHeight = 0;
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}
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UNDO_SWAP( pFrm )
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}
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/* BP 18.6.93: Widows.
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* Im Gegensatz zur ersten Implementierung werden die Widows nicht
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* mehr vorausschauend berechnet, sondern erst beim Formatieren des
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* gesplitteten Follows festgestellt. Im Master faellt die Widows-
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* Berechnung also generell weg (nWidows wird manipuliert).
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* Wenn der Follow feststellt, dass die Widowsregel zutrifft,
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* verschickt er an seinen Vorgaenger ein Prepare.
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* Ein besonderes Problem ergibt sich, wenn die Widows zuschlagen,
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* aber im Master noch ein paar Zeilen zur Verfuegung stehen.
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*
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*/
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/*************************************************************************
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* SwTxtFrmBreak::IsInside()
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*************************************************************************/
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/* BP(22.07.92): Berechnung von Witwen und Waisen.
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* Die Methode liefert sal_True zurueck, wenn eine dieser Regelung zutrifft.
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*
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* Eine Schwierigkeit gibt es im Zusammenhang mit Widows und
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* unterschiedlichen Formaten zwischen Master- und Folgeframes:
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* Beispiel: Wenn die erste Spalte 3cm und die zweite 4cm breit ist
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* und Widows auf sagen wir 3 gesetzt ist, so ist erst bei der Formatierung
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* des Follows entscheidbar, ob die Widowsbedingung einhaltbar ist oder
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* nicht. Leider ist davon abhaengig, ob der Absatz als Ganzes auf die
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* naechste Seite rutscht.
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*/
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sal_Bool SwTxtFrmBreak::IsInside( SwTxtMargin &rLine ) const
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{
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sal_Bool bFit = sal_False;
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SWAP_IF_SWAPPED( pFrm )
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SWRECTFN( pFrm )
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// nOrigin is an absolut value, rLine referes to the swapped situation.
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SwTwips nTmpY;
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if ( pFrm->IsVertical() )
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nTmpY = pFrm->SwitchHorizontalToVertical( rLine.Y() + rLine.GetLineHeight() );
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else
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nTmpY = rLine.Y() + rLine.GetLineHeight();
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SwTwips nLineHeight = (*fnRect->fnYDiff)( nTmpY , nOrigin );
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// 7455 und 6114: Raum fuer die Umrandung unten einkalkulieren.
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nLineHeight += (pFrm->*fnRect->fnGetBottomMargin)();
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if( nRstHeight )
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bFit = nRstHeight >= nLineHeight;
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else
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{
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// Der Frm besitzt eine Hoehe, mit der er auf die Seite passt.
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SwTwips nHeight =
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(*fnRect->fnYDiff)( (pFrm->GetUpper()->*fnRect->fnGetPrtBottom)(), nOrigin );
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// Wenn sich alles innerhalb des bestehenden Frames abspielt,
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// ist das Ergebnis sal_True;
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bFit = nHeight >= nLineHeight;
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if( !bFit )
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{
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// Die LineHeight sprengt die aktuelle Frm-Hoehe.
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// Nun rufen wir ein Probe-Grow, um zu ermitteln, ob der
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// Frame um den gewuenschten Bereich wachsen wuerde.
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nHeight += pFrm->GrowTst( LONG_MAX );
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// Das Grow() returnt die Hoehe, um die der Upper des TxtFrm
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// den TxtFrm wachsen lassen wuerde.
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// Der TxtFrm selbst darf wachsen wie er will.
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bFit = nHeight >= nLineHeight;
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}
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}
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UNDO_SWAP( pFrm );
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return bFit;
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}
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/*************************************************************************
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* SwTxtFrmBreak::IsBreakNow()
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*************************************************************************/
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sal_Bool SwTxtFrmBreak::IsBreakNow( SwTxtMargin &rLine )
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{
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SWAP_IF_SWAPPED( pFrm )
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// bKeep ist staerker als IsBreakNow()
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// Ist noch genug Platz ?
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if( bKeep || IsInside( rLine ) )
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bBreak = sal_False;
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else
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{
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/* Diese Klasse geht davon aus, dass der SwTxtMargin von Top nach Bottom
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* durchgearbeitet wird. Aus Performancegruenden wird in folgenden
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* Faellen der Laden fuer das weitere Aufspalten dicht gemacht:
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* Wenn eine einzige Zeile nicht mehr passt.
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* Sonderfall: bei DummyPortions ist LineNr == 1, obwohl wir splitten
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* wollen.
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*/
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// 6010: DropLines mit einbeziehen
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sal_Bool bFirstLine = 1 == rLine.GetLineNr() && !rLine.GetPrev();
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bBreak = sal_True;
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if( ( bFirstLine && pFrm->GetIndPrev() )
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|| ( rLine.GetLineNr() <= rLine.GetDropLines() ) )
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{
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bKeep = sal_True;
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bBreak = sal_False;
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}
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else if(bFirstLine && pFrm->IsInFtn() && !pFrm->FindFtnFrm()->GetPrev())
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{
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SwLayoutFrm* pTmp = pFrm->FindFtnBossFrm()->FindBodyCont();
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if( !pTmp || !pTmp->Lower() )
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bBreak = sal_False;
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}
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}
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UNDO_SWAP( pFrm )
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return bBreak;
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}
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// OD 2004-02-27 #106629# - no longer inline
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void SwTxtFrmBreak::SetRstHeight( const SwTxtMargin &rLine )
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{
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// OD, FME 2004-02-27 #106629# - consider bottom margin
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SWRECTFN( pFrm )
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nRstHeight = (pFrm->*fnRect->fnGetBottomMargin)();
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if ( bVert )
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//Badaa: 2008-04-18 * Support for Classical Mongolian Script (SCMS) joint with Jiayanmin
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{
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if ( pFrm->IsVertLR() )
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nRstHeight = (*fnRect->fnYDiff)( pFrm->SwitchHorizontalToVertical( rLine.Y() ) , nOrigin );
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else
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nRstHeight += nOrigin - pFrm->SwitchHorizontalToVertical( rLine.Y() );
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}
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else
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nRstHeight += rLine.Y() - nOrigin;
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}
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/*************************************************************************
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* WidowsAndOrphans::WidowsAndOrphans()
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*************************************************************************/
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WidowsAndOrphans::WidowsAndOrphans( SwTxtFrm *pNewFrm, const SwTwips nRst,
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sal_Bool bChkKeep )
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: SwTxtFrmBreak( pNewFrm, nRst ), nWidLines( 0 ), nOrphLines( 0 )
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{
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SWAP_IF_SWAPPED( pFrm )
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if( bKeep )
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{
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// 5652: bei Absaetzen, die zusammengehalten werden sollen und
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// groesser sind als die Seite wird bKeep aufgehoben.
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if( bChkKeep && !pFrm->GetPrev() && !pFrm->IsInFtn() &&
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pFrm->IsMoveable() &&
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( !pFrm->IsInSct() || pFrm->FindSctFrm()->MoveAllowed(pFrm) ) )
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bKeep = sal_False;
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//Auch bei gesetztem Keep muessen Orphans beachtet werden,
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//z.B. bei verketteten Rahmen erhaelt ein Follow im letzten Rahmen ein Keep,
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//da er nicht (vorwaerts) Moveable ist,
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//er darf aber trotzdem vom Master Zeilen anfordern wg. der Orphanregel.
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if( pFrm->IsFollow() )
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nWidLines = pFrm->GetTxtNode()->GetSwAttrSet().GetWidows().GetValue();
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}
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else
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{
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const SwAttrSet& rSet = pFrm->GetTxtNode()->GetSwAttrSet();
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const SvxOrphansItem &rOrph = rSet.GetOrphans();
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if ( rOrph.GetValue() > 1 )
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nOrphLines = rOrph.GetValue();
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if ( pFrm->IsFollow() )
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nWidLines = rSet.GetWidows().GetValue();
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}
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if ( bKeep || nWidLines || nOrphLines )
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{
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bool bResetFlags = false;
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if ( pFrm->IsInTab() )
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{
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// For compatibility reasons, we disable Keep/Widows/Orphans
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// inside splittable row frames:
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if ( pFrm->GetNextCellLeaf( MAKEPAGE_NONE ) || pFrm->IsInFollowFlowRow() )
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{
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const SwFrm* pTmpFrm = pFrm->GetUpper();
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while ( !pTmpFrm->IsRowFrm() )
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pTmpFrm = pTmpFrm->GetUpper();
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if ( static_cast<const SwRowFrm*>(pTmpFrm)->IsRowSplitAllowed() )
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bResetFlags = true;
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}
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}
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if( pFrm->IsInFtn() && !pFrm->GetIndPrev() )
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{
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// Innerhalb von Fussnoten gibt es gute Gruende, das Keep-Attribut und
|
|
// die Widows/Orphans abzuschalten.
|
|
SwFtnFrm *pFtn = pFrm->FindFtnFrm();
|
|
sal_Bool bFt = !pFtn->GetAttr()->GetFtn().IsEndNote();
|
|
if( !pFtn->GetPrev() &&
|
|
pFtn->FindFtnBossFrm( bFt ) != pFtn->GetRef()->FindFtnBossFrm( bFt )
|
|
&& ( !pFrm->IsInSct() || pFrm->FindSctFrm()->MoveAllowed(pFrm) ) )
|
|
{
|
|
bResetFlags = true;
|
|
}
|
|
}
|
|
|
|
if ( bResetFlags )
|
|
{
|
|
bKeep = sal_False;
|
|
nOrphLines = 0;
|
|
nWidLines = 0;
|
|
}
|
|
}
|
|
|
|
UNDO_SWAP( pFrm )
|
|
}
|
|
|
|
/*************************************************************************
|
|
* WidowsAndOrphans::FindBreak()
|
|
*************************************************************************/
|
|
|
|
/* Die Find*-Methoden suchen nicht nur, sondern stellen den SwTxtMargin auf
|
|
* die Zeile ein, wo der Absatz gebrochen werden soll und kuerzen ihn dort.
|
|
* FindBreak()
|
|
*/
|
|
|
|
sal_Bool WidowsAndOrphans::FindBreak( SwTxtFrm *pFrame, SwTxtMargin &rLine,
|
|
sal_Bool bHasToFit )
|
|
{
|
|
// OD 2004-02-25 #i16128# - Why member <pFrm> _*and*_ parameter <pFrame>??
|
|
// Thus, assertion on situation, that these are different to figure out why.
|
|
OSL_ENSURE( pFrm == pFrame, "<WidowsAndOrphans::FindBreak> - pFrm != pFrame" );
|
|
|
|
SWAP_IF_SWAPPED( pFrm )
|
|
|
|
sal_Bool bRet = sal_True;
|
|
MSHORT nOldOrphans = nOrphLines;
|
|
if( bHasToFit )
|
|
nOrphLines = 0;
|
|
rLine.Bottom();
|
|
// OD 2004-02-25 #i16128# - method renamed
|
|
if( !IsBreakNowWidAndOrp( rLine ) )
|
|
bRet = sal_False;
|
|
if( !FindWidows( pFrame, rLine ) )
|
|
{
|
|
sal_Bool bBack = sal_False;
|
|
// OD 2004-02-25 #i16128# - method renamed
|
|
while( IsBreakNowWidAndOrp( rLine ) )
|
|
{
|
|
if( rLine.PrevLine() )
|
|
bBack = sal_True;
|
|
else
|
|
break;
|
|
}
|
|
// Eigentlich werden bei HasToFit Schusterjungen (Orphans) nicht
|
|
// beruecksichtigt, wenn allerdings Dummy-Lines im Spiel sind und
|
|
// die Orphansregel verletzt wird, machen wir mal eine Ausnahme:
|
|
// Wir lassen einfach eine Dummyline zurueck und wandern mit dem Text
|
|
// komplett auf die naechste Seite/Spalte.
|
|
if( rLine.GetLineNr() <= nOldOrphans &&
|
|
rLine.GetInfo().GetParaPortion()->IsDummy() &&
|
|
( ( bHasToFit && bRet ) || IsBreakNow( rLine ) ) )
|
|
rLine.Top();
|
|
|
|
rLine.TruncLines( sal_True );
|
|
bRet = bBack;
|
|
}
|
|
nOrphLines = nOldOrphans;
|
|
|
|
UNDO_SWAP( pFrm )
|
|
|
|
return bRet;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* WidowsAndOrphans::FindWidows()
|
|
*************************************************************************/
|
|
|
|
/* FindWidows positioniert den SwTxtMargin des Masters auf die umzubrechende
|
|
* Zeile, indem der Follow formatiert und untersucht wird.
|
|
* Liefert sal_True zurueck, wenn die Widows-Regelung in Kraft tritt,
|
|
* d.h. der Absatz _zusammengehalten_ werden soll !
|
|
*/
|
|
|
|
sal_Bool WidowsAndOrphans::FindWidows( SwTxtFrm *pFrame, SwTxtMargin &rLine )
|
|
{
|
|
OSL_ENSURE( ! pFrame->IsVertical() || ! pFrame->IsSwapped(),
|
|
"WidowsAndOrphans::FindWidows with swapped frame" );
|
|
|
|
if( !nWidLines || !pFrame->IsFollow() )
|
|
return sal_False;
|
|
|
|
rLine.Bottom();
|
|
|
|
// Wir koennen noch was abzwacken
|
|
SwTxtFrm *pMaster = pFrame->FindMaster();
|
|
OSL_ENSURE(pMaster, "+WidowsAndOrphans::FindWidows: Widows in a master?");
|
|
if( !pMaster )
|
|
return sal_False;
|
|
|
|
// 5156: Wenn die erste Zeile des Follows nicht passt, wird der Master
|
|
// wohl voll mit Dummies sein. In diesem Fall waere ein PREP_WIDOWS fatal.
|
|
if( pMaster->GetOfst() == pFrame->GetOfst() )
|
|
return sal_False;
|
|
|
|
// Resthoehe des Masters
|
|
SWRECTFN( pFrame )
|
|
|
|
const SwTwips nDocPrtTop = (pFrame->*fnRect->fnGetPrtTop)();
|
|
SwTwips nOldHeight;
|
|
SwTwips nTmpY = rLine.Y() + rLine.GetLineHeight();
|
|
|
|
if ( bVert )
|
|
{
|
|
nTmpY = pFrame->SwitchHorizontalToVertical( nTmpY );
|
|
nOldHeight = -(pFrame->Prt().*fnRect->fnGetHeight)();
|
|
}
|
|
else
|
|
nOldHeight = (pFrame->Prt().*fnRect->fnGetHeight)();
|
|
|
|
const SwTwips nChg = (*fnRect->fnYDiff)( nTmpY, nDocPrtTop + nOldHeight );
|
|
|
|
// Unterhalb der Widows-Schwelle...
|
|
if( rLine.GetLineNr() >= nWidLines )
|
|
{
|
|
// 8575: Follow to Master I
|
|
// Wenn der Follow *waechst*, so besteht fuer den Master die Chance,
|
|
// Zeilen entgegenzunehmen, die er vor Kurzem gezwungen war an den
|
|
// Follow abzugeben: Prepare(Need); diese Abfrage unterhalb von nChg!
|
|
// (0W, 2O, 2M, 2F) + 1F = 3M, 2F
|
|
if( rLine.GetLineNr() > nWidLines && pFrame->IsJustWidow() )
|
|
{
|
|
// Wenn der Master gelockt ist, so hat er vermutlich gerade erst
|
|
// eine Zeile an uns abgegeben, diese geben nicht zurueck, nur
|
|
// weil bei uns daraus mehrere geworden sind (z.B. durch Rahmen).
|
|
if( !pMaster->IsLocked() && pMaster->GetUpper() )
|
|
{
|
|
const SwTwips nTmpRstHeight = (pMaster->Frm().*fnRect->fnBottomDist)
|
|
( (pMaster->GetUpper()->*fnRect->fnGetPrtBottom)() );
|
|
if ( nTmpRstHeight >=
|
|
SwTwips(rLine.GetInfo().GetParaPortion()->Height() ) )
|
|
{
|
|
pMaster->Prepare( PREP_ADJUST_FRM );
|
|
pMaster->_InvalidateSize();
|
|
pMaster->InvalidatePage();
|
|
}
|
|
}
|
|
|
|
pFrame->SetJustWidow( sal_False );
|
|
}
|
|
return sal_False;
|
|
}
|
|
|
|
// 8575: Follow to Master II
|
|
// Wenn der Follow *schrumpft*, so besteht fuer den Master die Chance,
|
|
// den kompletten Orphan zu inhalieren.
|
|
// (0W, 2O, 2M, 1F) - 1F = 3M, 0F -> PREP_ADJUST_FRM
|
|
// (0W, 2O, 3M, 2F) - 1F = 2M, 2F -> PREP_WIDOWS
|
|
|
|
if( 0 > nChg && !pMaster->IsLocked() && pMaster->GetUpper() )
|
|
{
|
|
SwTwips nTmpRstHeight = (pMaster->Frm().*fnRect->fnBottomDist)
|
|
( (pMaster->GetUpper()->*fnRect->fnGetPrtBottom)() );
|
|
if( nTmpRstHeight >= SwTwips(rLine.GetInfo().GetParaPortion()->Height() ) )
|
|
{
|
|
pMaster->Prepare( PREP_ADJUST_FRM );
|
|
pMaster->_InvalidateSize();
|
|
pMaster->InvalidatePage();
|
|
pFrame->SetJustWidow( sal_False );
|
|
return sal_False;
|
|
}
|
|
}
|
|
|
|
// Master to Follow
|
|
// Wenn der Follow nach seiner Formatierung weniger Zeilen enthaelt
|
|
// als Widows, so besteht noch die Chance, einige Zeilen des Masters
|
|
// abzuzwacken. Wenn dadurch die Orphans-Regel des Masters in Kraft
|
|
// tritt muss im CalcPrep() des Master-Frame der Frame so vergroessert
|
|
// werden, dass er nicht mehr auf seine urspruengliche Seite passt.
|
|
// Wenn er noch ein paar Zeilen entbehren kann, dann muss im CalcPrep()
|
|
// ein Shrink() erfolgen, der Follow mit dem Widows rutscht dann auf
|
|
// die Seite des Masters, haelt sich aber zusammen, so dass er (endlich)
|
|
// auf die naechste Seite rutscht. - So die Theorie!
|
|
|
|
|
|
// Wir fordern nur noch ein Zeile zur Zeit an, weil eine Zeile des Masters
|
|
// bei uns durchaus mehrere Zeilen ergeben koennten.
|
|
// Dafuer behaelt CalcFollow solange die Kontrolle, bis der Follow alle
|
|
// notwendigen Zeilen bekommen hat.
|
|
MSHORT nNeed = 1; // frueher: nWidLines - rLine.GetLineNr();
|
|
|
|
// Special case: Master cannot give lines to follow
|
|
// --> FME 2008-09-16 #i91421#
|
|
if ( !pMaster->GetIndPrev() )
|
|
{
|
|
sal_uLong nLines = pMaster->GetThisLines();
|
|
if(nLines == 0 && pMaster->HasPara())
|
|
{
|
|
const SwParaPortion *pMasterPara = pMaster->GetPara();
|
|
if(pMasterPara && pMasterPara->GetNext())
|
|
nLines = 2;
|
|
}
|
|
if( nLines <= nNeed )
|
|
return sal_False;
|
|
}
|
|
|
|
pMaster->Prepare( PREP_WIDOWS, (void*)&nNeed );
|
|
return sal_True;
|
|
}
|
|
|
|
/*************************************************************************
|
|
* WidowsAndOrphans::WouldFit()
|
|
*************************************************************************/
|
|
|
|
sal_Bool WidowsAndOrphans::WouldFit( SwTxtMargin &rLine, SwTwips &rMaxHeight, sal_Bool bTst )
|
|
{
|
|
// Here it does not matter, if pFrm is swapped or not.
|
|
// IsInside() takes care for itself
|
|
|
|
// Wir erwarten, dass rLine auf der letzten Zeile steht!!
|
|
OSL_ENSURE( !rLine.GetNext(), "WouldFit: aLine::Bottom missed!" );
|
|
MSHORT nLineCnt = rLine.GetLineNr();
|
|
|
|
// Erstmal die Orphansregel und den Initialenwunsch erfuellen ...
|
|
const MSHORT nMinLines = Max( GetOrphansLines(), rLine.GetDropLines() );
|
|
if ( nLineCnt < nMinLines )
|
|
return sal_False;
|
|
|
|
rLine.Top();
|
|
SwTwips nLineSum = rLine.GetLineHeight();
|
|
|
|
while( nMinLines > rLine.GetLineNr() )
|
|
{
|
|
if( !rLine.NextLine() )
|
|
return sal_False;
|
|
nLineSum += rLine.GetLineHeight();
|
|
}
|
|
|
|
// Wenn wir jetzt schon nicht mehr passen ...
|
|
if( !IsInside( rLine ) )
|
|
return sal_False;
|
|
|
|
// Jetzt noch die Widows-Regel ueberpruefen
|
|
if( !nWidLines && !pFrm->IsFollow() )
|
|
{
|
|
// I.A. brauchen Widows nur ueberprueft werden, wenn wir ein Follow
|
|
// sind. Bei WouldFit muss aber auch fuer den Master die Regel ueber-
|
|
// prueft werden, weil wir ja gerade erst die Trennstelle ermitteln.
|
|
// Im Ctor von WidowsAndOrphans wurde nWidLines aber nur fuer Follows
|
|
// aus dem AttrSet ermittelt, deshalb holen wir es hier nach:
|
|
const SwAttrSet& rSet = pFrm->GetTxtNode()->GetSwAttrSet();
|
|
nWidLines = rSet.GetWidows().GetValue();
|
|
}
|
|
|
|
// Sind nach Orphans/Initialen noch genug Zeilen fuer die Widows uebrig?
|
|
// #111937#: If we are currently doing a test formatting, we may not
|
|
// consider the widows rule for two reasons:
|
|
// 1. The columns may have different widths.
|
|
// Widow lines would have wrong width.
|
|
// 2. Test formatting is only done up to the given space.
|
|
// we do not have any lines for widows at all.
|
|
if( bTst || nLineCnt - nMinLines >= GetWidowsLines() )
|
|
{
|
|
if( rMaxHeight >= nLineSum )
|
|
{
|
|
rMaxHeight -= nLineSum;
|
|
return sal_True;
|
|
}
|
|
}
|
|
return sal_False;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|