#include "GUI.h"
#include "std_lib_facilities.h"
#include <sstream>

using namespace Graph_lib;


void Button::attach(Graph_lib::Window& win)
{
   pw = new Fl_Button(loc.x, loc.y, width, height, label.c_str());
// pass the window
   pw->callback(reinterpret_cast<Fl_Callback*>(do_it), &win); 
   own = &win;
}

int In_box::get_int()
{
   Fl_Input& pi = reference_to<Fl_Input>(pw);
//	return atoi(pi.value());
   const char* p = pi.value();
   if (!isdigit(p[0])) return -999999;
   return atoi(p);
}

string In_box::get_string()
{
   Fl_Input& pi = reference_to<Fl_Input>(pw);
   return string(pi.value());
}

void In_box::attach(Graph_lib::Window& win)
{
   pw = new Fl_Input(loc.x, loc.y, width, height, label.c_str());
   own = &win;
}

void Out_box::put(int i)
{
   Fl_Output& po = reference_to<Fl_Output>(pw);
   std::stringstream ss;
   ss << i;
   po.value(ss.str().c_str());
}

void Out_box::put(const string& s)
{
   reference_to<Fl_Output>(pw).value(s.c_str());
}

void Out_box::attach(Graph_lib::Window& win)
{
   pw = new Fl_Output(loc.x, loc.y, width, height, label.c_str());
   own = &win;
}

Menu::Menu(Point xy, int w, int h, Kind kk, const string& s)
   :Widget(xy,w,h,s,0), k{kk}, offset{0}
{
}

int Menu::attach(Button& b)
{
   b.width = width;
   b.height = height;

   switch(k) {
   case horizontal:
      b.loc = Point(loc.x+offset,loc.y);
      offset+=b.width;
      break;
   case vertical:
      b.loc = Point(loc.x,loc.y+offset);
      offset+=b.height;
      break;
   }
   selection.push_back(&b);
   return int(selection.size()-1);
}

int Menu::attach(Button* p)
{
//	owned.push_back(p);
   return attach(*p);
}