svx/source/svdraw/svddrag.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <svx/svdview.hxx>
  21 #include <svx/svddrag.hxx>
  22
  23 SdrDragStatUserData::~SdrDragStatUserData() = default;
  24
  25 SdrDragStat::~SdrDragStat()
  26 {
  27 }
  28
  29 void SdrDragStat::Clear()
  30 {
  31     mpUserData.reset();
  32     mvPnts.clear();
  33     mvPnts.emplace_back();
  34 }
  35
  36 void SdrDragStat::Reset()
  37 {
  38     pView=nullptr;
  39     pPageView=nullptr;
  40     bShown=false;
  41     nMinMov=1;
  42     bMinMoved=false;
  43     bHorFixed=false;
  44     bVerFixed=false;
  45     bWantNoSnap=false;
  46     pHdl=nullptr;
  47     bOrtho4=false;
  48     bOrtho8=false;
  49     pDragMethod=nullptr;
  50     bEndDragChangesAttributes=false;
  51     bEndDragChangesGeoAndAttributes=false;
  52     mbEndDragChangesLayout=false;
  53     bMouseIsUp=false;
  54     Clear();
  55     aActionRect=tools::Rectangle();
  56 }
  57
  58 void SdrDragStat::Reset(const Point& rPnt)
  59 {
  60     Reset();
  61     mvPnts[0]=rPnt;
  62     aPos0=rPnt;
  63     aRealNow=rPnt;
  64 }
  65
  66 void SdrDragStat::NextMove(const Point& rPnt)
  67 {
  68     aPos0=mvPnts.back();
  69     aRealNow=rPnt;
  70     mvPnts.back()=rPnt;
  71 }
  72
  73 void SdrDragStat::NextPoint()
  74 {
  75     mvPnts.emplace_back(aRealNow);
  76 }
  77
  78 void SdrDragStat::PrevPoint()
  79 {
  80     if (mvPnts.size()>1) { // one has to remain at all times
  81         mvPnts.erase(mvPnts.begin()+mvPnts.size()-2);
  82         mvPnts.back() = aRealNow;
  83     }
  84 }
  85
  86 bool SdrDragStat::CheckMinMoved(const Point& rPnt)
  87 {
  88     if (!bMinMoved) {
  89         tools::Long dx=rPnt.X()-GetPrev().X(); if (dx<0) dx=-dx;
  90         tools::Long dy=rPnt.Y()-GetPrev().Y(); if (dy<0) dy=-dy;
  91         if (dx>=tools::Long(nMinMov) || dy>=tools::Long(nMinMov))
  92             bMinMoved=true;
  93     }
  94     return bMinMoved;
  95 }
  96
  97 Fraction SdrDragStat::GetXFact() const
  98 {
  99     tools::Long nMul=mvPnts.back().X()-aRef1.X();
 100     tools::Long nDiv=GetPrev().X()-aRef1.X();
 101     if (nDiv==0) nDiv=1;
 102     if (bHorFixed) { nMul=1; nDiv=1; }
 103     return Fraction(nMul,nDiv);
 104 }
 105
 106 Fraction SdrDragStat::GetYFact() const
 107 {
 108     tools::Long nMul=mvPnts.back().Y()-aRef1.Y();
 109     tools::Long nDiv=GetPrev().Y()-aRef1.Y();
 110     if (nDiv==0) nDiv=1;
 111     if (bVerFixed) { nMul=1; nDiv=1; }
 112     return Fraction(nMul,nDiv);
 113 }
 114
 115 void SdrDragStat::TakeCreateRect(tools::Rectangle& rRect) const
 116 {
 117     rRect=tools::Rectangle(mvPnts[0], mvPnts.back());
 118     if (mvPnts.size()>1) {
 119         Point aBtmRgt(mvPnts[1]);
 120         rRect.SetRight(aBtmRgt.X() );
 121         rRect.SetBottom(aBtmRgt.Y() );
 122     }
 123     if (pView!=nullptr && pView->IsCreate1stPointAsCenter()) {
 124         rRect.AdjustTop(rRect.Top()-rRect.Bottom() );
 125         rRect.AdjustLeft(rRect.Left()-rRect.Right() );
 126     }
 127 }
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */