xref: /AOO41X/main/svx/source/svdraw/svddrag.cxx (revision f6e50924346d0b8c0b07c91832a97665dd718b0c)

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 *
 * 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
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_svx.hxx"
#include <svx/svdview.hxx>
#include <svx/svddrag.hxx>

void SdrDragStat::Clear(FASTBOOL bLeaveOne)
{
	void* pP=aPnts.First();
	while (pP!=NULL) {
		delete (Point*)pP;
		pP=aPnts.Next();
	}
	if (pUser!=NULL) delete pUser;
	pUser=NULL;
	aPnts.Clear();
	if (bLeaveOne) {
		aPnts.Insert(new Point,CONTAINER_APPEND);
	}
}

void SdrDragStat::Reset()
{
	pView=NULL;
	pPageView=NULL;
	bShown=sal_False;
	nMinMov=1;
	bMinMoved=sal_False;
	bHorFixed=sal_False;
	bVerFixed=sal_False;
	bWantNoSnap=sal_False;
	pHdl=NULL;
	bOrtho4=sal_False;
	bOrtho8=sal_False;
	pDragMethod=NULL;
	bEndDragChangesAttributes=sal_False;
	bEndDragChangesGeoAndAttributes=sal_False;
	bMouseIsUp=sal_False;
	Clear(sal_True);
	aActionRect=Rectangle();
}

void SdrDragStat::Reset(const Point& rPnt)
{
	Reset();
	Start()=rPnt;
	aPos0=rPnt;
	aRealPos0=rPnt;
	RealNow()=rPnt;
}

void SdrDragStat::NextMove(const Point& rPnt)
{
	aRealPos0=GetRealNow();
	aPos0=GetNow();
	RealNow()=rPnt;
	Point aBla=KorregPos(GetRealNow(),GetPrev());
	Now()=aBla;
}

void SdrDragStat::NextPoint(FASTBOOL bSaveReal)
{
	Point aPnt(GetNow());
	if (bSaveReal) aPnt=aRealNow;
	aPnts.Insert(new Point(KorregPos(GetRealNow(),aPnt)),CONTAINER_APPEND);
	Prev()=aPnt;
}

void SdrDragStat::PrevPoint()
{
	if (aPnts.Count()>=2) { // einer muss immer da bleiben
		Point* pPnt=(Point*)(aPnts.GetObject(aPnts.Count()-2));
		aPnts.Remove(aPnts.Count()-2);
		delete pPnt;
		Now()=KorregPos(GetRealNow(),GetPrev());
	}
}

Point SdrDragStat::KorregPos(const Point& rNow, const Point& /*rPrev*/) const
{
	Point aRet(rNow);
	return aRet;
}

FASTBOOL SdrDragStat::CheckMinMoved(const Point& rPnt)
{
	if (!bMinMoved) {
		long dx=rPnt.X()-GetPrev().X(); if (dx<0) dx=-dx;
		long dy=rPnt.Y()-GetPrev().Y(); if (dy<0) dy=-dy;
		if (dx>=long(nMinMov) || dy>=long(nMinMov))
			bMinMoved=sal_True;
	}
	return bMinMoved;
}

Fraction SdrDragStat::GetXFact() const
{
	long nMul=GetNow().X()-aRef1.X();
	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
{
	long nMul=GetNow().Y()-aRef1.Y();
	long nDiv=GetPrev().Y()-aRef1.Y();
	if (nDiv==0) nDiv=1;
	if (bVerFixed) { nMul=1; nDiv=1; }
	return Fraction(nMul,nDiv);
}

void SdrDragStat::TakeCreateRect(Rectangle& rRect) const
{
	rRect=Rectangle(GetStart(),GetNow());
	if (GetPointAnz()>=2) {
		Point aBtmRgt(GetPoint(1));
		rRect.Right()=aBtmRgt.X();
		rRect.Bottom()=aBtmRgt.Y();
	}
	if (pView!=NULL && pView->IsCreate1stPointAsCenter()) {
		rRect.Top()+=rRect.Top()-rRect.Bottom();
		rRect.Left()+=rRect.Left()-rRect.Right();
	}
}