Fl_OpConnect.H

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#ifndef _FL_OPCONNECT_H_
#define _FL_OPCONNECT_H_

//INSERT-LGPL-HEADER-HERE//


#include "Fl_OpButton.H"

class Fl_OpButton;

class Fl_OpConnect {
    Fl_OpButton *srcbut;                // source button
    Fl_OpButton *dstbut;                // destination button
    Fl_Color  color;            // connection color
    int       width;            // connection width

public:
    Fl_OpConnect(Fl_OpButton *a, Fl_OpButton *b) {
        srcbut = a;
        dstbut = b;
        color = Fl_Color(0xf0d0a000);           // whiteish
        width = 2;
    }

    void operator=(const Fl_OpConnect& o) {
        srcbut = o.srcbut;
        dstbut = o.dstbut;
        color = o.color;
        width = o.width;
    }

    Fl_OpConnect(const Fl_OpConnect& o) {
        *this = o;      // let assignment handle copy
    }

    int IsButtonConnected(Fl_OpButton *find) {
        return((srcbut==find || dstbut==find) ? 1 : 0);
    }

    int AreConnected(Fl_OpButton *a, Fl_OpButton *b) {
       return( ((srcbut==a && dstbut==b) || (srcbut==b && dstbut==a)) ? 1 : 0);
    }

    Fl_OpButton *GetSrcButton() const {
        return(srcbut);
    }

    Fl_OpButton *GetDstButton() const {
        return(dstbut);
    }

    Fl_Color GetColor() const {
        return(color);
    }

    void SetColor(Fl_Color val) {
        color = val;
    }

    int GetWidth() const {
        return(width);
    }

    void SetWidth(int val) {
        width = val;
    }

    void CopyAttributes(Fl_OpConnect *old) {
        SetColor(old->GetColor());
        SetWidth(old->GetWidth());
    }
};
#endif /* _FL_OPCONNECT_H_ */