TBoxInteractive.h

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// @(#)root/graf:$Id$
// Author: Sergey Linev   18/09/2026
 
/*************************************************************************
 * Copyright (C) 1995-2026, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#include "TVirtualPad.h"
 
#ifndef ROOT_TBoxInteractive
#define ROOT_TBoxInteractive
 
class TBoxInteractive : public TVirtualPad::TInteractive {
 
   protected:
 
      enum EMode { pNone = 0, pA, pB, pC, pD, pTop, pL, pR, pBot, pINSIDE } fMode = pNone;
 
   public:
      Bool_t isBox = kTRUE;
      Int_t px1 = 0, px2 = 0, py1 = 0, py2 = 0, dpx1 = 0, dpy2 = 0;
      Double_t oldX1 = 0., oldY1 = 0., oldX2 = 0., oldY2 = 0.;
      Double_t newX1 = 0., newY1 = 0., newX2 = 0., newY2 = 0.;
 
      TBoxInteractive(Bool_t bx = kTRUE, Double_t x1 = 0., Double_t y1 = 0., Double_t x2 = 0., Double_t y2 = 0.);
 
      void CalcPixelCoord(const TVirtualPad &parent, Double_t x1, Double_t y1, Double_t x2, Double_t y2);
 
      Bool_t SelectCorner(Int_t px, Int_t py, Bool_t canX = kTRUE, Bool_t canY = kTRUE);
 
      Bool_t SelectDiamondCorner(Int_t px, Int_t py, Bool_t testInside = kTRUE);
 
      Bool_t IsResizing() const;
 
      Bool_t IsOpaque(const TVirtualPad &parent) const;
 
      Bool_t ProcessMouseMove(const TVirtualPad &parent, Int_t px, Int_t py, Bool_t canX = kTRUE, Bool_t canY = kTRUE, Double_t aspectRatio = 0.);
 
      virtual void PaintOutline(TVirtualPad &parent);
 
      void ApplyChanges(TVirtualPad &parent);
 
      void SetCursor(TVirtualPad &parent, Bool_t is_down) const;
 
      char GetGuideChar() const;
};
 
#endif