linesinterface.h

//
//  
//    The Laxkit, a windowing toolkit
//    Please consult http://laxkit.sourceforge.net about where to send any
//    correspondence about this software.
//
//    This library is free software; you can redistribute it and/or
//    modify it under the terms of the GNU Library General Public
//    License as published by the Free Software Foundation; either
//    version 2 of the License, or (at your option) any later version.
//
//    This library is distributed in the hope that it will be useful,
//    but WITHOUT ANY WARRANTY; without even the implied warranty of
//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
//    Library General Public License for more details.
//
//    You should have received a copy of the GNU Library General Public
//    License along with this library; if not, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//    Copyright (C) 2004-2006,2011 by Tom Lechner
//
#ifndef _LAX_LINESINTERFACE_H
#define _LAX_LINESINTERFACE_H

#include <lax/interfaces/aninterface.h>
#include <lax/vectors.h>
#include <lax/interfaces/somedata.h>
#include <lax/interfaces/linestyle.h>

#define LINESDATA_CLOSED   1
#define LINESDATA_LINES    2
#define LINESDATA_POLYGON  4
#define LINESDATA_SYMPOLY  8

 // most of these are for polygon creation, and where the corners point
#define LINESDATA_UP       16
#define LINESDATA_DOWN     32
#define LINESDATA_RIGHT    64
#define LINESDATA_LEFT     128
#define LINESDATA_PLUSHALF 256
#define LINESDATA_RECT     512
#define LINESDATA_MAXINBOX 1024

namespace LaxInterfaces {
 
class LinesData : public SomeData
{
//  protected:
    
  public:
    int numsides,numturns;
    flatpoint *points;
    int npoints;
    unsigned int style;
    LineStyle linestyle;
    LinesData() { points=NULL; style=0; npoints=0; }
    ~LinesData() { if (points) delete[] points; }
    const char *whattype() { return "LinesData"; }
    int AddAfter(int afterwhich,flatpoint p); //returns new curpoint
    int Delete(int which);
    void FindBBox();
};

//--------------------

class LinesInterface : public anInterface
{
  protected:
    int mx,my;
    int curpoint;
    int creating;
    flatpoint createp,createx,createy;
    double newa,newb;
    void Setupcreation(int sides,int turns);
    void movecontrol(int which,int x,int y);
    void movecontrol(int which,flatpoint d);
  public:
    unsigned long controlcolor;
    int creationstyle,creationsides,creationturns,creationgravity,showdecs;
    double creationangle;
    LinesData *data;
    LineStyle linestyle;
    LinesInterface(int nid,Laxkit::Displayer *ndp);
    virtual ~LinesInterface() { deletedata(); }
    virtual void deletedata();
    virtual int scan(int x,int y);
    virtual int LBDown(int x,int y,unsigned int state,int count);
    virtual int LBUp(int x,int y,unsigned int state);
    virtual int MouseMove(int x,int y,unsigned int state);
    virtual int CharInput(unsigned int ch, const char *buffer,int len,unsigned int state);
    virtual int CharRelease(unsigned int ch,unsigned int state);
    virtual int Refresh();
    virtual int UseThis(int id,int ndata);
    virtual int UseThis(Laxkit::anObject *newdata,unsigned int mask=0);
    virtual int toggleclosed(int c=-1);
    virtual int InterfaceOn();
    virtual int InterfaceOff();
    virtual const char *whattype() { return "LinesInterface"; }
    virtual const char *whatdatatype() { return "LinesData"; }
};

} // namespace LaxInterfaces

#endif