/*
 *  Checkbox 2
 *  ----------
 *  This program creates a window, four checkboxes and a button.
 *
 *  Unlike checkbox.c, this program makes the checkboxes global
 *  variables, and uses ischecked to decide which ones have been
 *  switched on by the user.
 *
 *  Notice the checkboxes have no callbacks. The work is done
 *  inside the button's call-back place_order, which also exits
 *  the program using exitapp.
 */

#include <graphapp.h>

checkbox ham, mushrooms, olives, capsicum;

void place_order(button b)
{
    printf("Toppings:\n");
    if (ischecked(ham))        printf("  Ham\n");
    if (ischecked(mushrooms))  printf("  Mushrooms\n");
    if (ischecked(olives))     printf("  Olives\n");
    if (ischecked(capsicum))   printf("  Capsicum\n");
    exitapp();
}

void main(void)
{
    window w;
    rect r;

    w = newwindow("Pizza", rect(0,0,200,230), StandardWindow);
    r = rect(10,10,120,30);

    ham       = newcheckbox("Ham", r, NULL);        r.y += 35;
    mushrooms = newcheckbox("Mushrooms", r, NULL);  r.y += 35;
    olives    = newcheckbox("Olives", r, NULL);     r.y += 35;
    capsicum  = newcheckbox("Capsicum", r, NULL);   r.y += 35;

    newbutton("Order Pizza", r, place_order);
    show(w);
    mainloop();
}