office-gobmx/svx/source/svdraw/svddrag.cxx
2011-11-28 11:21:24 +01:00

153 lines
4.1 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <svx/svdview.hxx>
#include <svx/svddrag.hxx>
void SdrDragStat::Clear(bool 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(bool 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) { // one has to remain at all times
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;
}
bool 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();
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */