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/Go4FitGUI/TGo4FitGUIArrow.cxx

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#include "TGo4FitGUIArrow.h"

#include <iostream.h>

#include "Buttons.h"

#include "qstring.h"

#include "Go4Fit/TGo4FitComponent.h"
#include "Go4Fit/TGo4FitModel.h"
#include "QFitItem.h"
#include "TGo4FitPanelSlots.h"

TGo4FitGUIArrow::TGo4FitGUIArrow() : 
    TArrow(), fxType(at_none), fxModel(0), fxOther(0), fdLineAmpl(0.), fxComp(0), fiRangeNum(0), 
    fdRangeY(0.), fdShiftX(0.), fxItem(0), fxSlots(0), fxOwner(0) 
{
}

TGo4FitGUIArrow::TGo4FitGUIArrow(Float_t arrowsize, Option_t* option) :
    TArrow(0.,0.,0.,0.,arrowsize,option), fxType(at_none), fxModel(0), fxOther(0), fdLineAmpl(0.), fxComp(0), fiRangeNum(0), 
    fdRangeY(0.), fdShiftX(0.), fxItem(0), fxSlots(0), fxOwner(0) 
{
}

TGo4FitGUIArrow::TGo4FitGUIArrow(Double_t x1, Double_t y1, Double_t x2, Double_t y2, Float_t arrowsize, Option_t* option) :
    TArrow(x1,y1,x2,y2,arrowsize,option), fxType(at_none), fxModel(0), fxOther(0), fdLineAmpl(0.), fxComp(0), fiRangeNum(0), 
    fdRangeY(0.), fdShiftX(0.), fxItem(0), fxSlots(0), fxOwner(0)  
{
}

TGo4FitGUIArrow::~TGo4FitGUIArrow() 
{
   if (fxOwner!=0) {
     fxOwner->Remove(this);
     fxOwner->Compress();
   }
}

void TGo4FitGUIArrow::SetForPosition(TGo4FitModel* model, TGo4FitGUIArrow* forwidth, Double_t iLineAmpl) {
  fxType = at_pos;
  fxModel = model;
  fxOther = forwidth;
  fdLineAmpl = iLineAmpl;
}

void TGo4FitGUIArrow::SetForWidth(TGo4FitModel* model, TGo4FitGUIArrow* forposition) {
  fxType = at_width;
  fxModel = model;
  fxOther = forposition;
}

void TGo4FitGUIArrow::SetForRange(TGo4FitComponent* Comp, Int_t num, Double_t rangey, Double_t shiftx) {
  fxType = at_range;
  fxComp = Comp;
  fiRangeNum = num;
  fdRangeY = rangey;
  fdShiftX = shiftx;
}

void TGo4FitGUIArrow::SetItem(QFitItem* item, TGo4FitPanelSlots* iSlots) {
   fxItem = item;
   fxSlots = iSlots;
}

Bool_t TGo4FitGUIArrow::Locate() {
  Double_t x1 = GetX1(), x2 = GetX2();
  Double_t y1 = GetY1(), y2 = GetY2();

  switch (fxType) {
    case at_pos:
      Double_t pos;
      if (fxModel->GetPosition(0,pos)) {
         SetX1(pos); SetX2(pos); SetY1(fdLineAmpl/2); SetY2(fdLineAmpl);
      }
      break;
    case at_width:
      Double_t width, ppp;
      if ((fxModel->GetWidth(0,width)) && (fxModel->GetPosition(0,ppp))) {
         SetX1(ppp-width); SetX2(ppp+width);
         SetY1(fxOther->GetY1());
         SetY2(fxOther->GetY1());
      }
      break;
    case at_range:
      Int_t typ, naxis;
      Double_t left, right;
      fxComp->GetRangeCondition(fiRangeNum, typ, naxis, left, right);
      switch (typ) {
        case 0: SetX1(left); SetX2(right); break;
        case 1: SetX1(left); SetX2(right); break;
        case 2: SetX1(left); SetX2(left+fdShiftX); break;
        case 3: SetX1(right-fdShiftX); SetX2(right); break;
      }
      SetY1(fdRangeY); SetY2(fdRangeY);

      break;
  }

  return (x1 != GetX1()) || (x2 != GetX2()) || (y1 != GetY1()) || (y2 != GetY2());
}

Bool_t TGo4FitGUIArrow::IsAssignTo(TObject* obj) {
   return (obj!=0) && ((obj==fxModel) || (obj==fxComp));
}

void TGo4FitGUIArrow::DeleteModel() {
  if ((fxType==at_pos) && (fxSlots!=0))
    fxSlots->DeleteModelWithPrimit(this);
}

void TGo4FitGUIArrow::ExecuteEvent(Int_t event, Int_t px, Int_t py) {
    TArrow::ExecuteEvent(event,px,py);
    if (event!=kButton1Up) return;

    switch (fxType) {

      case at_pos:
        {

        fxModel->SetPosition(0, GetX2());
        fdLineAmpl = (GetY1()>GetY2()) ? GetY1() : GetY2();

        if (Locate()) Paint();

        if (fxOther!=0)
          if (fxOther->Locate()) fxOther->Paint();

        if (fxSlots) fxSlots->ArrowChanged(this);

        }
        break;
      case at_width:
        {
        Double_t width = 0;
        fxModel->GetWidth(0,width);
        Double_t pos = fxOther->GetX2();

        Double_t w0 = (GetX2()-GetX1())/2;
        Double_t w1 = pos-GetX1();
        Double_t w2 = GetX2()-pos;

        if (TMath::Abs(w0-width)>1e-10) {
           Double_t w = width;
           if (TMath::Abs(w1-width)>1e-10) w=w1; else w=w2;
           if (w>0) {
             width=w; fxModel->SetWidth(0,width);
             if (fxSlots) fxSlots->ArrowChanged(this);
           }
        }

        if (Locate()) Paint();

        }
        break;
      case at_range:
        {
        Int_t typ, naxis;
        Double_t left, right;
        fxComp->GetRangeCondition(fiRangeNum,typ,naxis,left,right);

        left = GetX1()<GetX2() ? GetX1() : GetX2();
        right = GetX1()>GetX2() ? GetX1() : GetX2();

        fxComp->SetRangeCondition(fiRangeNum,typ,naxis,left,right);

        if (fxSlots) fxSlots->ArrowChanged(this);

        if (Locate()) Paint();

        }
        break;
    }
}

//----------------------------END OF GO4 SOURCE FILE ---------------------

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