GUI.cpp

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

using namespace Graph_lib;


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