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authorJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 23:08:29 +0000
committerJens-Heiner Rechtien <hr@openoffice.org>2000-09-18 23:08:29 +0000
commit84a3db80b4fd66c6854b3135b5f69b61fd828e62 (patch)
tree4475006ca87946e71c44668b20330b2d2729f638 /sw/source/core/text/widorp.hxx
parent7b0b5cdfeed656b279bc32cd929630d5fc25878b (diff)
initial import
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+/*************************************************************************
+ *
+ * $RCSfile: widorp.hxx,v $
+ *
+ * $Revision: 1.1.1.1 $
+ *
+ * last change: $Author: hr $ $Date: 2000-09-19 00:08:26 $
+ *
+ * The Contents of this file are made available subject to the terms of
+ * either of the following licenses
+ *
+ * - GNU Lesser General Public License Version 2.1
+ * - Sun Industry Standards Source License Version 1.1
+ *
+ * Sun Microsystems Inc., October, 2000
+ *
+ * GNU Lesser General Public License Version 2.1
+ * =============================================
+ * Copyright 2000 by Sun Microsystems, Inc.
+ * 901 San Antonio Road, Palo Alto, CA 94303, USA
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License version 2.1, as published by the Free Software Foundation.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ *
+ *
+ * Sun Industry Standards Source License Version 1.1
+ * =================================================
+ * The contents of this file are subject to the Sun Industry Standards
+ * Source License Version 1.1 (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.openoffice.org/license.html.
+ *
+ * Software provided under this License is provided on an "AS IS" basis,
+ * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
+ * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
+ * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
+ * See the License for the specific provisions governing your rights and
+ * obligations concerning the Software.
+ *
+ * The Initial Developer of the Original Code is: Sun Microsystems, Inc.
+ *
+ * Copyright: 2000 by Sun Microsystems, Inc.
+ *
+ * All Rights Reserved.
+ *
+ * Contributor(s): _______________________________________
+ *
+ *
+ ************************************************************************/
+#ifndef _WIDORP_HXX
+#define _WIDORP_HXX
+
+class SwTxtFrm;
+
+#include "swtypes.hxx"
+#include "itrtxt.hxx"
+
+class SwTxtFrmBreak
+{
+private:
+ SwTwips nRstHeight;
+ const SwTwips nOrigin;
+protected:
+ SwTxtFrm *pFrm;
+ sal_Bool bBreak;
+ sal_Bool bKeep;
+public:
+ SwTxtFrmBreak( SwTxtFrm *pFrm, const SwTwips nRst = 0 );
+ sal_Bool IsBreakNow( SwTxtMargin &rLine );
+
+ const sal_Bool IsBroken() const { return bBreak; }
+ const sal_Bool IsKeepAlways() const { return bKeep; }
+ void Keep() { bKeep = sal_True; }
+ void Break() { bKeep = sal_False; bBreak = sal_True; }
+
+ inline sal_Bool GetKeep() const { return bKeep; }
+ inline void SetKeep( const sal_Bool bNew ) { bKeep = bNew; }
+
+ const sal_Bool IsInside( SwTxtMargin &rLine ) const;
+
+ // Um Sonderfaelle mit Ftn behandeln zu koennen.
+ // Mit SetRstHeight wird dem SwTxtFrmBreak die Resthoehe eingestellt,
+ // Um TruncLines() rufen zu koennen, ohne dass IsBreakNow() einen
+ // anderen Wert zurueckliefert.
+ // Es wird dabei davon ausgegangen, dass rLine auf der letzten Zeile
+ // steht, die nicht mehr passt.
+ void SetRstHeight( const SwTxtMargin &rLine ) { nRstHeight = rLine.Y() - nOrigin; }
+ SwTwips GetRstHeight() const { return nRstHeight; }
+};
+
+class WidowsAndOrphans : public SwTxtFrmBreak
+{
+private:
+ MSHORT nWidLines, nOrphLines;
+
+public:
+ WidowsAndOrphans( SwTxtFrm *pFrm, const SwTwips nRst = 0,
+ sal_Bool bCheckKeep = sal_True );
+ sal_Bool FindWidows( SwTxtFrm *pFrm, SwTxtMargin &rLine );
+ const MSHORT GetWidowsLines() const
+ { return nWidLines; }
+ const MSHORT GetOrphansLines() const
+ { return nOrphLines; }
+ void ClrOrphLines(){ nOrphLines = 0; }
+
+ sal_Bool FindBreak( SwTxtFrm *pFrm, SwTxtMargin &rLine, sal_Bool bHasToFit );
+ sal_Bool WouldFit( SwTxtMargin &rLine, SwTwips &rMaxHeight );
+ sal_Bool IsBreakNow( SwTxtMargin &rLine )
+ { return ( rLine.GetLineNr() > nOrphLines ) &&
+ SwTxtFrmBreak::IsBreakNow( rLine ); }
+};
+
+
+#endif