1 files changed, 68 insertions, 0 deletions
diff --git a/BatteryMeter.c b/BatteryMeter.c
new file mode 100644
index 0000000..33d17b7
--- /dev/null
+++ b/BatteryMeter.c
@@ -0,0 +1,68 @@
+/*
+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: "
+};