#include "dg.h"
#include "area.h"
#include "drawing.h"
#include "apl.h"

class Retangulo : public Drawing {
	static DgColor current;
	DgColor cor;
	int x0,x1,y0,y1;
public:
	virtual int pick(int x, int y)
	{ return x >= x0 && x <= x1 && y >= y0 && y <= y1; }
	virtual void draw()
	{ dgSetColor(cor); dgFill(x0,y0,x1,y1);	}
	virtual void draft()
	{ dgSetColor(cor); dgRectangle(x0,y0,x1,y1);	}
	virtual void move(int dx, int dy)
	{ x0+=dx; x1+=dx; y0+=dy; y1+=dy; }

	Retangulo(int xx0,int yy0,int xx1,int yy1 )
	{
	  x0 = xx0; x1 = xx1;
	  y0 = yy0; y1 = yy1;
	  cor=current++;
     if (current > 15) current = 0;
	}
};

DgColor Retangulo::current = dgWHITE;

class MyArea : public Area {
 public:
	void emptyclick( int x , int y )
	{
	  Retangulo * ret = new Retangulo(x-20,y-20,x+20,y+20);
	  insert( ret );
	  ret->draw();
	}
};

class MyApp : public Application {
	MyArea canvas;

public:

	void click1(int x, int y)   { canvas.click1(x,y); }
	void click2(int x, int y)   { end(); }
	void unclick1(int x, int y) { canvas.unclick1(x,y); }
	void unclick2(int x, int y) { canvas.unclick2(x,y); }
	void motion(int x, int y)   { canvas.motion(x,y); }

	MyApp() { loop(); }
};

MyApp a;

void main(void) {}