/* Demonstrate moving an icon around the screen. */

#include <stdio.h>
#include <curses.h>

main()

{
	int	i;
	int	r,c;
	char	ch;

	initscr();	/* turn on curses */
	clear();	/* clear screen */
	noecho();	/* turn off echoing */
	nocbreak();	/* turn on line buffering */
	halfdelay(2);	/* turn off blocking after 2/10 seconds */
	r=LINES/2;
	c=COLS/2;

	while (1)
	{
		move (r,c);
		addstr("M");
		move (LINES-1,0);
		refresh();
		ch=getch();
		move (r,c);
		addstr(" ");
//		if (ch == ERR)
//			c=c+1;
		if (ch == 'i')
			r=r-1;
		if (ch == 'j')
			c=c-1;
		if (ch == 'k')
			c=c+1;
		if (ch == 'm')
			r=r+1;
		if (ch == 'q')
			break;
		if (r < 0)
			r=0;
		if (r >= LINES)
			r=LINES-1;
		if (c < 0)
			c=0;
		if (c >= COLS)
			c=COLS-1;
	}

	endwin();	/* turn off curses */
}