#ifndef MAIN_H
#define MAIN_H

#ifndef TRUE
# define TRUE    1
#endif
#ifndef FALSE
# define FALSE   0
#endif

#define LCDP_BATT_HIGH		0x00
#define LCDP_BATT_LOW		0x01
#define LCDP_BATT_CRITICAL	0x02
#define LCDP_BATT_CHARGING	0x03
#define LCDP_BATT_ABSENT	0x04
#define LCDP_BATT_UNKNOWN	0xFF

#define LCDP_AC_OFF		0x00
#define LCDP_AC_ON		0x01
#define LCDP_AC_BACKUP		0x02
#define LCDP_AC_UNKNOWN		0xFF

extern int Quit;
extern int sock;
extern char *version;
extern char *build_date;

extern int lcd_wid;
extern int lcd_hgt;
extern int lcd_cellwid;
extern int lcd_cellhgt;

typedef struct mode
{
	char *longname;		// Which screen is it?
	char which;		// Which screen is it?
	int on_time;		// How often to update while visible?
	int off_time;		// How often to get stats while not visible?
	int show_invisible;	// Send stats while not visible?
	int timer;		// Time since last update
	int flags;		// bit 1 visible, bit 2 selected for display, bit 3 first
	int (*func)(int,int,int *);	// function pointer
} mode;

//mode flags
#define VISIBLE 	0x00000001	//currently visible
#define ACTIVE 		0x00000002	//selected for display
#define INITIALIZED	0x00000004	//replaces the first variable to indicate whether the update screens are initialized

#define BLINK_ON	0x10
#define BLINK_OFF	0x11
#define BACKLIGHT_OFF	0x20
#define BACKLIGHT_ON	0x21
#define HOLD_SCREEN	0x30
#define CONTINUE	0x31

#define LCD_MAX_WIDTH	80
#define LCD_MAX_HEIGHT	80

const char *get_hostname();
const char *get_sysname();
const char *get_sysrelease();

#ifndef min
# define min(a,b) (((a) < (b)) ? (a) : (b))
#endif

#ifndef max
# define max(a,b) (((a) > (b)) ? (a) : (b))
#endif

#endif