From c74c38760df69bb87e93dff18cf91464e5d02f37 Mon Sep 17 00:00:00 2001
From: Daniel Lange <DLange@git.local>
Date: Mon, 11 Apr 2016 13:00:22 +0200
Subject: Imported Upstream version 0.8.1

---
 BatteryMeter.c | 141 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 BatteryMeter.c

(limited to 'BatteryMeter.c')

diff --git a/BatteryMeter.c b/BatteryMeter.c
new file mode 100644
index 0000000..977a191
--- /dev/null
+++ b/BatteryMeter.c
@@ -0,0 +1,141 @@
+/*
+  htop
+  (C) 2004-2006 Hisham H. Muhammad
+  Released under the GNU GPL, see the COPYING file
+  in the source distribution for its full text.
+
+  This "Meter" written by Ian P. Hands (iphands@gmail.com).
+*/
+
+#include "BatteryMeter.h"
+#include "Meter.h"
+#include "ProcessList.h"
+#include "CRT.h"
+#include "String.h"
+#include "debug.h"
+
+int BatteryMeter_attributes[] = {
+   BATTERY
+};
+
+static unsigned long int parseBatInfo(const char * fileName, const unsigned short int lineNum, const unsigned short int wordNum) {
+   const DIR *batteryDir;
+   const struct dirent *pDirEnt;
+  
+   const char batteryPath[] = PROCDIR "/acpi/battery/";
+   batteryDir = opendir(batteryPath);
+  
+   if (batteryDir == NULL) {
+      return 0;
+   }
+  
+   char * string;
+   typedef struct listLbl { char* content; struct listLbl* next; } list;
+  
+   list *myList = NULL;
+   list *newEntry;
+  
+   /*
+   Some of this is based off of code found in kismet (they claim it came from gkrellm).
+   Written for multi battery use...
+   */
+   for (pDirEnt= readdir((DIR*)batteryDir); pDirEnt; pDirEnt = readdir((DIR*)batteryDir)) {
+      string = (char*)pDirEnt->d_name;
+      if(!strcmp(string, ".") || !strcmp(string, ".."))
+         continue;
+    
+      newEntry = calloc(1, sizeof(list));
+      newEntry->next = myList;
+      newEntry->content = string;
+      myList = newEntry;
+   }
+
+   unsigned long int total = 0;
+   for (newEntry = myList; newEntry; newEntry = newEntry->next) {
+      const char infoPath[30];
+      const FILE * file;
+      char line[50];  
+    
+      sprintf((char*)infoPath, "%s%s/%s", batteryPath, newEntry->content, fileName);
+    
+      if ((file = fopen(infoPath, "r")) == NULL) {
+         return 0;
+      }
+
+      for (unsigned short int i = 0; i < lineNum; i++){
+         fgets(line, sizeof line, (FILE*)file);
+      }
+    
+      fclose((FILE*)file);
+    
+      const char * foundNumTmp = String_getToken(line, wordNum);
+      const unsigned long int foundNum = atoi(foundNumTmp);
+      free((char*)foundNumTmp);
+
+      total += foundNum;
+   }
+
+   free(myList);
+   free(newEntry);
+   closedir((DIR*)batteryDir);
+   return total;
+}
+
+static void BatteryMeter_setValues(Meter* this, char* buffer, int len) {
+   FILE* file = fopen(PROCDIR "/acpi/ac_adapter/AC/state", "r");
+   if (!file)
+      file = fopen(PROCDIR "/acpi/ac_adapter/ADP1/state", "r");
+   if (!file) {
+      snprintf(buffer, len, "n/a");
+      return;
+   }  
+
+   char line [100];
+   fgets(line, sizeof line, file);
+   line[sizeof(line) - 1] = '\0';
+   fclose(file);
+
+   const unsigned long int totalFull = parseBatInfo("info", 3, 4);
+   const unsigned long int totalRemain = parseBatInfo("state", 5, 3);
+   const double percent = totalFull > 0 ? ((double)totalRemain * 100) / (double)totalFull : 0;
+   
+   if (totalFull == 0) {
+      snprintf(buffer, len, "n/a");
+      return;
+   }
+   
+   this->values[0] = percent;
+
+   const char* isOnline = String_getToken(line, 2);
+   
+   char *onAcText, *onBatteryText;
+   
+   if (this->mode == TEXT_METERMODE) {
+      onAcText = "%.1f%% (Running on A/C)";
+      onBatteryText = "%.1f%% (Running on battery)";
+   } else {
+      onAcText = "%.1f%%(A/C)";
+      onBatteryText = "%.1f%%(bat)";
+   }
+
+   if (strcmp(String_getToken(line, 2),"on-line") == 0) {
+      snprintf(buffer, len, onAcText, percent);
+   } else {
+      snprintf(buffer, len, onBatteryText, percent); 
+   }
+
+   free((char*)isOnline);
+   return;
+}
+
+MeterType BatteryMeter = {
+   .setValues = BatteryMeter_setValues, 
+   .display = NULL,
+   .mode = TEXT_METERMODE,
+   .items = 1,
+   .total = 100.0,
+   .attributes = BatteryMeter_attributes,
+   .name = "Battery",
+   .uiName = "Battery",
+   .caption = "Battery: "
+};
-- 
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