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nodes.h

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/*************************************************************************
 *
 *  AUTHOR: Wilson T
 *
 *  TITLE:  nodes.h
 *
 *  DATE: April 28, 1993
 *
 *  PURPOSE:  Declaration of nodes class and constants.
 *
 *************************************************************************/

#ifndef _NODES_H
#define _NODES_H

#include <stdlib.h>
#include "typedefs.h"
#include "scrnobj.h"
#include "viewport.h"
#include "display.h"
#include "messages.h"
#include "checkbox.h"


        /*************************
         *                       *
         * Constant Declarations *
         *                       *
         *************************/

const int NFRAME  = 1;  // Additional highlighting of node when Active
const int CCIRCLE = 8;
const int NFILLSIZE = 1;  // Border of fill graphics from edge
const int STOPRAD = 3;
const int NBOXCOLOR = LIGHTGRAY;
const int NOFFCOLOR = DARKGRAY;

class Nodes:public CheckBox {
  int NCOLORFILL, NBOXSIZE;
public:
  Nodes       (int, BOOLEAN);
  Nodes       (int, int, BOOLEAN);
  void Init     (Display *, int, int);
  ~Nodes        ()
    {if (Drawn) Erase();}
  Message Dispatch    (Message &);
  void  Draw      ();
  void NewFillColor   (int);
  void EnableNode     (int);
  void DisableNode    ();
  void ChangeStatus   (BOOLEAN);
  void ChangeStatus   (BOOLEAN, int);
private:
  void set_constants  (int, int, BOOLEAN);
  void  image_size  ();
  void  image_size  (int, int);
  void prep_screen  (int);
  void fill_box   ();
  void empty_box    (int);
  void animate_box  ();
  void animate_frame  ();
  Message key_msg (Message &);
  Message command_msg (Message &);
  Message mouse_msg (Message &);
  void disable_box  ();
  void enable_box ();
};

inline Nodes::Nodes(int Id, int colorfill, BOOLEAN state)
  {set_constants(Id, colorfill, state); image_size();}

inline Nodes::Nodes(int Id, BOOLEAN state)
  {set_constants(Id, BLUE, state); image_size();}

inline void Nodes::NewFillColor(int newcolor)
  {NCOLORFILL=newcolor;}

inline void Nodes::DisableNode()
  {disable_box();}

inline void Nodes::EnableNode(int color)
  {if(!BStatus) NCOLORFILL=color; enable_box();}

inline void Nodes::ChangeStatus(BOOLEAN bswitch, int color)
  {BStatus=bswitch; NCOLORFILL=color; animate_box();}

inline void Nodes::ChangeStatus(BOOLEAN bswitch)
  {BStatus=bswitch; animate_box();}

inline void Nodes::image_size()
  {X2 = X+NBOXSIZE; Y2 = Y+NBOXSIZE;}

inline void Nodes::animate_box()
  {if (BStatus) fill_box(); else if(Able) empty_box(NBOXCOLOR);
   else if(!Able) empty_box(NOFFCOLOR);}

inline void Nodes::disable_box()
  {Able=Off; BOOLEAN temp=BStatus; empty_box(NOFFCOLOR);
   BStatus=temp; if(BStatus) fill_box();}

inline void Nodes::enable_box()
  {Able=On; BOOLEAN temp=BStatus; empty_box(NBOXCOLOR);
   BStatus=temp; if(BStatus) fill_box();}

#endif

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