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#include <stdio.h>
#include "block.h"
#define BATDIR "/sys/class/power_supply/BAT0"
#define bat_val(f, n)\
while((c = fgetc(f)) != '\n') n = 10 * n + (c - '0')
#define bat_open(f,F) if (!f) f = fopen(BATDIR"/"F,"r")
FILE *fenergy_now, *fenergy_full, *fbat_status;
float bat_p;
int bat_state, bat_delay = 6;
char bat_str[13];
void battery(void)
{
if (bat_delay++ < 6) goto show_stat;
else bat_delay = 0;
bat_open(fenergy_now,"energy_now");
bat_open(fenergy_full,"energy_full");
bat_open(fbat_status,"status");
if (fenergy_now)
{
int energy_now, energy_full;
rewind(fenergy_now);
rewind(fenergy_full);
rewind(fbat_status);
energy_now = energy_full = 0;
int c;
bat_val(fenergy_now, energy_now);
bat_val(fenergy_full, energy_full);
bat_p = (float)energy_now * 100 / energy_full;
char *icon;
bat_state = fgetc(fbat_status);
switch(bat_state) {
case 'N': icon = ""; break;
case 'C': icon = ""; break;
case 'D': if (bat_p > 79) icon = " ";
else if (bat_p > 50) icon = " ";
else if (bat_p > 30) icon = " ";
else if (bat_p > 10) icon = " ";
else icon = " ";
}
snprintf(bat_str,13,"%s %02.2f%%",icon,bat_p);
}
show_stat:
if (bat_state == 'D' && bat_p >= 30)
block(bat_str,"#222222","#83a59899","#83a59899");
else if (bat_p < 30)
block(bat_str,"#222222","#ea544399","#ea544399");
else if (bat_state == 'N' || bat_state == 'C')
block(bat_str,"#222222","#dfb24999","#dfb24999");
}
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