#include "globals.h"

static int where_am_i (View *,int,int, Window *,double *,double *,Window *,int);
static int where_12 (View *,int,int);
static int where_21 (View *,int,int);

int 
where (int x, int y)
{
    if (VIEW_MAP1->cell.configured && In_view (VIEW_MAP1, x, y))
	where_12 (VIEW_MAP1, x, y);
    else if (VIEW_MAP1_ZOOM->cell.configured && In_view (VIEW_MAP1_ZOOM, x, y))
	where_12 (VIEW_MAP1_ZOOM, x, y);
    else if (VIEW_MAP2->cell.configured && In_view (VIEW_MAP2, x, y))
	where_21 (VIEW_MAP2, x, y);
    else if (VIEW_MAP2_ZOOM->cell.configured && In_view (VIEW_MAP2_ZOOM, x, y))
	where_21 (VIEW_MAP2_ZOOM, x, y);
    return 0 ; /* return but don't quit */
}

static int where_12 (View *view,int x,int y)
{
    where_am_i (view, x, y, MENU_WINDOW, group.E12, group.N12, INFO_WINDOW,1);
    return 0;
}

static int where_21 (View *view,int x,int y)
{
    where_am_i (view, x, y, INFO_WINDOW, group.E21, group.N21, MENU_WINDOW,2);
    return 0;
}

static int where_am_i (
    View *view,int x,int y, Window *w1,
    double *E,double *N,Window *w2,int windnum)
{
    double e1,n1,e2,n2;
    int row,col;

    char buf[100];

/* convert x,y to east,north at center of cell */
    col = view_to_col (view, x);
    e1 = col_to_easting (&view->cell.head, col, 0.5);
    row = view_to_row (view, y);
    n1 = row_to_northing (&view->cell.head, row, 0.5);

     /* Curses_clear_window (w1); */
    if(windnum == 2)
       Curses_write_window (INFO_WINDOW, 15, 2, "WHERE CURSOR             ");
    else
       Curses_write_window (INFO_WINDOW, 15, 2, "WHERE CELL               ");
    sprintf (buf, "E = %10.2f", e1);
    Curses_write_window (INFO_WINDOW, 17, 3, buf);
    sprintf (buf, "N = %10.2f", n1);
    Curses_write_window (INFO_WINDOW, 18, 3, buf);

/* if tranformation equation is useable, determine point via equation */
    if (group.equation_stat <= 0 || windnum == 2) 
       {
       Curses_write_window (INFO_WINDOW, 15, 18, "           ");
       Curses_write_window (INFO_WINDOW, 17, 18, "                 ");
       Curses_write_window (INFO_WINDOW, 18, 18, "                 ");
       return 1;
       }

    I_georef (e1, n1, &e2, &n2, E, N);
    /* Curses_clear_window (w2); */
    Curses_write_window (INFO_WINDOW, 15, 18, "COORDINATES");
    sprintf (buf, "E = %10.2f", e2);
    Curses_write_window (INFO_WINDOW, 17, 18, buf);
    sprintf (buf, "N = %10.2f", n2);
    Curses_write_window (INFO_WINDOW, 18, 18, buf);
    return 0;
}