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/*
htop - BatteryMeter.c
(C) 2004-2011 Hisham H. Muhammad
Released under the GNU GPLv2+, see the COPYING file
in the source distribution for its full text.
This meter written by Ian P. Hands (iphands@gmail.com, ihands@redhat.com).
*/
#include "BatteryMeter.h"
#include <math.h>
#include "CRT.h"
#include "Object.h"
#include "Platform.h"
#include "XUtils.h"
static const int BatteryMeter_attributes[] = {
BATTERY
};
static void BatteryMeter_updateValues(Meter* this) {
ACPresence isOnAC;
double percent;
Platform_getBattery(&percent, &isOnAC);
if (isnan(percent)) {
this->values[0] = NAN;
xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "N/A");
return;
}
this->values[0] = percent;
const char* text;
switch (isOnAC) {
case AC_PRESENT:
text = this->mode == TEXT_METERMODE ? " (Running on A/C)" : "(A/C)";
break;
case AC_ABSENT:
text = this->mode == TEXT_METERMODE ? " (Running on battery)" : "(bat)";
break;
case AC_ERROR:
default:
text = "";
break;
}
xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%.1f%%%s", percent, text);
}
const MeterClass BatteryMeter_class = {
.super = {
.extends = Class(Meter),
.delete = Meter_delete
},
.updateValues = BatteryMeter_updateValues,
.defaultMode = TEXT_METERMODE,
.maxItems = 1,
.total = 100.0,
.attributes = BatteryMeter_attributes,
.name = "Battery",
.uiName = "Battery",
.caption = "Battery: "
};
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