#include "Window.h"
#include "Graph.h"
#include "GUI.h"

namespace Graph_lib {

   Window::Window(int ww, int hh, const string& title)
      :Fl_Window{ww,hh,title.c_str()},w{ww},h{hh} 
   {
      init();
   }

   Window::Window(Point xy, int ww, int hh, const string& title)
      :Fl_Window{xy.x,xy.y,ww,hh,title.c_str()},w{ww},h{hh} 
   { 
      init();
   }

   void Window::init()
   {
      resizable(this);
      show();
   } 

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

   void Window::draw()
   {
      Fl_Window::draw();
      for (unsigned int i=0; i<shapes.size(); ++i) shapes[i]->draw();
   }

   void Window::attach(Widget& w)
   {
      // FTLK: begin attaching new Fl_Wigets to this window
      begin();
      w.attach(*this);	// let the Widget create its Fl_Wigits
      end();	// FTLK: stop attaching new Fl_Wigets to this window
   }

   void Window::detach(Widget& b)
   {
      b.hide();
   }

   void Window::attach(Shape& s)
   {
      shapes.push_back(&s);
//		s.attached = this;
   }

   void Window::detach(Shape& s)
   {
      // guess last attached will be first released
      for (unsigned int i = shapes.size(); 0<i; --i)
         if (shapes[i-1]==&s)
            shapes.erase(shapes.begin()+(i-1));//&shapes[i-1]);
   }

   void Window::put_on_top(Shape& p)
   {
      for (unsigned int i=0; i<shapes.size(); ++i) {
         if (&p==shapes[i]) {
            for (++i; i<shapes.size(); ++i)
               shapes[i-1] = shapes[i];
            shapes[shapes.size()-1] = &p;
            return;
         }
      }
   }

   int gui_main() { return Fl::run(); }

} // Graph