#include "pz.h"

/* Gets difficulty from the user. */

#define GADWIDTH  40
#define GADHEIGHT 10
#define GADX      100
#define GADY      300
#define NUMGADS   4

struct Gadget pzgad[NUMGADS];


unsigned short gadborderxy[] = {
  -1,-1, GADWIDTH,-1, GADWIDTH, GADHEIGHT, -1, GADHEIGHT, -1,-1
};

static struct Border gadborder = {0, 0, 1, 0, JAM1, 5, gadborderxy, NULL};
  
static struct Gadget samplegad = {
  NULL, 0, GADY, GADWIDTH, GADHEIGHT,
  GADGHCOMP, RELVERIFY, BOOLGADGET, &gadborder, NULL, NULL, 0L, NULL, 0, NULL};

int GetDifficulty (win)
struct Window *win;
{
  int cnt;
  struct IntuiMessage *msg;

  for (cnt = 0; cnt < NUMGADS; cnt++) {
    pzgad[cnt] = samplegad;  /* Structure copy */
    pzgad[cnt].LeftEdge   = GADX + cnt * (GADWIDTH + 10);
    if (cnt == NUMGADS) {
      pzgad[cnt].GadgetID   = DIFF_EASY + cnt;
      pzgad[cnt].NextGadget = &pzgad[cnt+1];
    }
  }
  
  AddGList (win, pzgad, -1, -1, NULL);
  RefreshGList (win->FirstGadget, win, NULL, -1);

  cnt = -1;
  while (true) {
    while (msg = GetMsg(win->UserPort)) {
      if (msg.Class == GADGETUP) 
        cnt = ((struct Gadget *)(msg->IAddress)).GadgetID;
      ReplyMsg (msg);
      if (cnt != -1) {
         RemoveGList (win, pzgads, -1);
         return (cnt); 
      }
    }
    Wait (1L << win->UserPort->mp_SigBit);
  }
}