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-rw-r--r--svx/source/svdraw/svddrag.cxx129
1 files changed, 129 insertions, 0 deletions
diff --git a/svx/source/svdraw/svddrag.cxx b/svx/source/svdraw/svddrag.cxx
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+++ b/svx/source/svdraw/svddrag.cxx
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+/* -*- 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 .
+ */
+
+#include <svx/svdview.hxx>
+#include <svx/svddrag.hxx>
+
+SdrDragStatUserData::~SdrDragStatUserData() = default;
+
+SdrDragStat::~SdrDragStat()
+{
+}
+
+void SdrDragStat::Clear()
+{
+ mpUserData.reset();
+ mvPnts.clear();
+ mvPnts.emplace_back();
+}
+
+void SdrDragStat::Reset()
+{
+ pView=nullptr;
+ pPageView=nullptr;
+ bShown=false;
+ nMinMov=1;
+ bMinMoved=false;
+ bHorFixed=false;
+ bVerFixed=false;
+ bWantNoSnap=false;
+ pHdl=nullptr;
+ bOrtho4=false;
+ bOrtho8=false;
+ pDragMethod=nullptr;
+ bEndDragChangesAttributes=false;
+ bEndDragChangesGeoAndAttributes=false;
+ mbEndDragChangesLayout=false;
+ bMouseIsUp=false;
+ Clear();
+ aActionRect=tools::Rectangle();
+}
+
+void SdrDragStat::Reset(const Point& rPnt)
+{
+ Reset();
+ mvPnts[0]=rPnt;
+ aPos0=rPnt;
+ aRealNow=rPnt;
+}
+
+void SdrDragStat::NextMove(const Point& rPnt)
+{
+ aPos0=mvPnts.back();
+ aRealNow=rPnt;
+ mvPnts.back()=rPnt;
+}
+
+void SdrDragStat::NextPoint()
+{
+ mvPnts.emplace_back(aRealNow);
+}
+
+void SdrDragStat::PrevPoint()
+{
+ if (mvPnts.size()>1) { // one has to remain at all times
+ mvPnts.erase(mvPnts.begin()+mvPnts.size()-2);
+ mvPnts.back() = aRealNow;
+ }
+}
+
+bool SdrDragStat::CheckMinMoved(const Point& rPnt)
+{
+ if (!bMinMoved) {
+ tools::Long dx=rPnt.X()-GetPrev().X(); if (dx<0) dx=-dx;
+ tools::Long dy=rPnt.Y()-GetPrev().Y(); if (dy<0) dy=-dy;
+ if (dx>=tools::Long(nMinMov) || dy>=tools::Long(nMinMov))
+ bMinMoved=true;
+ }
+ return bMinMoved;
+}
+
+Fraction SdrDragStat::GetXFact() const
+{
+ tools::Long nMul=mvPnts.back().X()-aRef1.X();
+ tools::Long nDiv=GetPrev().X()-aRef1.X();
+ if (nDiv==0) nDiv=1;
+ if (bHorFixed) { nMul=1; nDiv=1; }
+ return Fraction(nMul,nDiv);
+}
+
+Fraction SdrDragStat::GetYFact() const
+{
+ tools::Long nMul=mvPnts.back().Y()-aRef1.Y();
+ tools::Long nDiv=GetPrev().Y()-aRef1.Y();
+ if (nDiv==0) nDiv=1;
+ if (bVerFixed) { nMul=1; nDiv=1; }
+ return Fraction(nMul,nDiv);
+}
+
+void SdrDragStat::TakeCreateRect(tools::Rectangle& rRect) const
+{
+ rRect=tools::Rectangle(mvPnts[0], mvPnts.back());
+ if (mvPnts.size()>1) {
+ Point aBtmRgt(mvPnts[1]);
+ rRect.SetRight(aBtmRgt.X() );
+ rRect.SetBottom(aBtmRgt.Y() );
+ }
+ if (pView!=nullptr && pView->IsCreate1stPointAsCenter()) {
+ rRect.AdjustTop(rRect.Top()-rRect.Bottom() );
+ rRect.AdjustLeft(rRect.Left()-rRect.Right() );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */