1 /************************************************************************* 2 * 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * Copyright 2000, 2010 Oracle and/or its affiliates. 6 * 7 * OpenOffice.org - a multi-platform office productivity suite 8 * 9 * This file is part of OpenOffice.org. 10 * 11 * OpenOffice.org is free software: you can redistribute it and/or modify 12 * it under the terms of the GNU Lesser General Public License version 3 13 * only, as published by the Free Software Foundation. 14 * 15 * OpenOffice.org is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU Lesser General Public License version 3 for more details 19 * (a copy is included in the LICENSE file that accompanied this code). 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * version 3 along with OpenOffice.org. If not, see 23 * <http://www.openoffice.org/license.html> 24 * for a copy of the LGPLv3 License. 25 * 26 ************************************************************************/ 27 28 // MARKER(update_precomp.py): autogen include statement, do not remove 29 #include "precompiled_svx.hxx" 30 #include <svx/svdview.hxx> 31 #include <svx/svddrag.hxx> 32 33 void SdrDragStat::Clear(FASTBOOL bLeaveOne) 34 { 35 void* pP=aPnts.First(); 36 while (pP!=NULL) { 37 delete (Point*)pP; 38 pP=aPnts.Next(); 39 } 40 if (pUser!=NULL) delete pUser; 41 pUser=NULL; 42 aPnts.Clear(); 43 if (bLeaveOne) { 44 aPnts.Insert(new Point,CONTAINER_APPEND); 45 } 46 } 47 48 void SdrDragStat::Reset() 49 { 50 pView=NULL; 51 pPageView=NULL; 52 bShown=sal_False; 53 nMinMov=1; 54 bMinMoved=sal_False; 55 bHorFixed=sal_False; 56 bVerFixed=sal_False; 57 bWantNoSnap=sal_False; 58 pHdl=NULL; 59 bOrtho4=sal_False; 60 bOrtho8=sal_False; 61 pDragMethod=NULL; 62 bEndDragChangesAttributes=sal_False; 63 bEndDragChangesGeoAndAttributes=sal_False; 64 bMouseIsUp=sal_False; 65 Clear(sal_True); 66 aActionRect=Rectangle(); 67 } 68 69 void SdrDragStat::Reset(const Point& rPnt) 70 { 71 Reset(); 72 Start()=rPnt; 73 aPos0=rPnt; 74 aRealPos0=rPnt; 75 RealNow()=rPnt; 76 } 77 78 void SdrDragStat::NextMove(const Point& rPnt) 79 { 80 aRealPos0=GetRealNow(); 81 aPos0=GetNow(); 82 RealNow()=rPnt; 83 Point aBla=KorregPos(GetRealNow(),GetPrev()); 84 Now()=aBla; 85 } 86 87 void SdrDragStat::NextPoint(FASTBOOL bSaveReal) 88 { 89 Point aPnt(GetNow()); 90 if (bSaveReal) aPnt=aRealNow; 91 aPnts.Insert(new Point(KorregPos(GetRealNow(),aPnt)),CONTAINER_APPEND); 92 Prev()=aPnt; 93 } 94 95 void SdrDragStat::PrevPoint() 96 { 97 if (aPnts.Count()>=2) { // einer muss immer da bleiben 98 Point* pPnt=(Point*)(aPnts.GetObject(aPnts.Count()-2)); 99 aPnts.Remove(aPnts.Count()-2); 100 delete pPnt; 101 Now()=KorregPos(GetRealNow(),GetPrev()); 102 } 103 } 104 105 Point SdrDragStat::KorregPos(const Point& rNow, const Point& /*rPrev*/) const 106 { 107 Point aRet(rNow); 108 return aRet; 109 } 110 111 FASTBOOL SdrDragStat::CheckMinMoved(const Point& rPnt) 112 { 113 if (!bMinMoved) { 114 long dx=rPnt.X()-GetPrev().X(); if (dx<0) dx=-dx; 115 long dy=rPnt.Y()-GetPrev().Y(); if (dy<0) dy=-dy; 116 if (dx>=long(nMinMov) || dy>=long(nMinMov)) 117 bMinMoved=sal_True; 118 } 119 return bMinMoved; 120 } 121 122 Fraction SdrDragStat::GetXFact() const 123 { 124 long nMul=GetNow().X()-aRef1.X(); 125 long nDiv=GetPrev().X()-aRef1.X(); 126 if (nDiv==0) nDiv=1; 127 if (bHorFixed) { nMul=1; nDiv=1; } 128 return Fraction(nMul,nDiv); 129 } 130 131 Fraction SdrDragStat::GetYFact() const 132 { 133 long nMul=GetNow().Y()-aRef1.Y(); 134 long nDiv=GetPrev().Y()-aRef1.Y(); 135 if (nDiv==0) nDiv=1; 136 if (bVerFixed) { nMul=1; nDiv=1; } 137 return Fraction(nMul,nDiv); 138 } 139 140 void SdrDragStat::TakeCreateRect(Rectangle& rRect) const 141 { 142 rRect=Rectangle(GetStart(),GetNow()); 143 if (GetPointAnz()>=2) { 144 Point aBtmRgt(GetPoint(1)); 145 rRect.Right()=aBtmRgt.X(); 146 rRect.Bottom()=aBtmRgt.Y(); 147 } 148 if (pView!=NULL && pView->IsCreate1stPointAsCenter()) { 149 rRect.Top()+=rRect.Top()-rRect.Bottom(); 150 rRect.Left()+=rRect.Left()-rRect.Right(); 151 } 152 } 153 154