From de58295210063ed7088b411d0da8ef37b33cb863 Mon Sep 17 00:00:00 2001
From: Vidhu Kant Sharma <vidhukant@vidhukant.xyz>
Date: Fri, 9 Sep 2022 21:11:43 +0530
Subject: switched to lemonbar

---
 .config/lemon.go | 173 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 173 insertions(+)
 create mode 100644 .config/lemon.go

(limited to '.config/lemon.go')

diff --git a/.config/lemon.go b/.config/lemon.go
new file mode 100644
index 0000000..d242ccb
--- /dev/null
+++ b/.config/lemon.go
@@ -0,0 +1,173 @@
+package main
+
+import (
+  "bufio"
+  "fmt"
+  "os"
+  "time"
+  "golang.org/x/sys/unix"
+	"os/exec"
+	"strconv"
+  "strings"
+  "io/ioutil"
+)
+
+var (
+	data, connectedWiFi, memPercentage, cpuTemp, cpuPercentage string
+  text string = "\n"
+	moduleColor0, moduleColor1 string = "#9b1bed", "#ff0aa3"
+)
+
+func dataLoop() {
+  for {
+    data = getData()
+    time.Sleep(time.Second / 10)
+  }
+}
+
+func stdinLoop() {
+  reader := bufio.NewReader(os.Stdin)
+  for {
+    text, _ = reader.ReadString('\n')
+  }
+}
+
+func main() {
+  go dataLoop()
+  go stdinLoop()
+	go cpuUsageLoop()
+	go connectedWiFiLoop()
+	go memUsageLoop()
+	go cpuTempLoop()
+
+  for {
+    fmt.Print(data + text)
+    time.Sleep(time.Second / 10)
+  }
+}
+
+// TODO
+// volume
+// brightness (new)
+// battery
+
+func getData() string {
+	time     := "%{F" + moduleColor0 + "} "       + getTime()        + "%{F-} "
+	wifiName := "%{F" + moduleColor1 + "} WiFI: " + connectedWiFi    + "%{F-} "
+	rootFree := "%{F" + moduleColor0 + "} / "     + getDisk("/")     + "%%%{F-} "
+	homeFree := "%{F" + moduleColor1 + "} /home " + getDisk("/home") + "%%%{F-} "
+	hddFree  := "%{F" + moduleColor0 + "} /hdd "  + getDisk("/hdd")  + "%%%{F-} "
+	cpuUsage := "%{F" + moduleColor1 + "} CPU: "  + cpuPercentage    + "%%%{F-} "
+	cpuTemp  := "%{F" + moduleColor0 + "} TEMP: " + cpuTemp          + "%%{F-} "
+	memUsage := "%{F" + moduleColor1 + "} MEM: "  + memPercentage    + "%%{F-} "
+
+  return time + wifiName + rootFree + homeFree + hddFree + cpuUsage + cpuTemp + memUsage
+}
+
+func getWiFiName() string {
+	// script located in ~/.scripts/
+	// look at github.com/MikunoNaka/dots
+	cmd := exec.Command("get_wifi_name.sh")
+	name, _ := cmd.Output()
+	return string(name)
+}
+
+func connectedWiFiLoop() {
+  for {
+    connectedWiFi = getWiFiName()
+    time.Sleep(time.Second * 15)
+  }
+}
+
+func getMemUsage() string {
+	// script located in ~/.scripts/
+	// look at github.com/MikunoNaka/dots
+	cmd := exec.Command("ram_usage.sh")
+	usage, _ := cmd.Output()
+	return string(usage)
+}
+
+func memUsageLoop() {
+  for {
+		memPercentage = getMemUsage()
+    time.Sleep(time.Second * 5)
+  }
+}
+
+func getCPUTemp() string {
+	// script located in ~/.scripts/
+	// look at github.com/MikunoNaka/dots
+	cmd := exec.Command("cpu_temp.sh")
+	temp, _ := cmd.Output()
+	return string(temp)
+}
+
+func cpuTempLoop() {
+  for {
+		cpuTemp = getCPUTemp()
+    time.Sleep(time.Second * 5)
+  }
+}
+
+// TODO: maybe add dates on click
+func getTime() string {
+	now := time.Now()
+	return now.Format("3:04 PM")
+}
+
+// TODO: maybe show percentages instead of free space
+func getDisk(mountPoint string) string {
+	var stat unix.Statfs_t
+  unix.Statfs(mountPoint, &stat)
+
+	// this is witchcraft. I wrote this but I have -10000 idea how AND IF it works
+	totalSize := float64(stat.Blocks) * float64(stat.Bsize) / 1073741824
+  usedSpace := float64(stat.Bfree)  * float64(stat.Bsize) / 1073741824
+
+  return strconv.FormatFloat((100 - (usedSpace / totalSize) * 100), 'f', 0, 64)
+}
+
+func getCPUSample() (idle, total uint64) {
+  contents, err := ioutil.ReadFile("/proc/stat")
+  if err != nil {
+    return
+  }
+  lines := strings.Split(string(contents), "\n")
+  for _, line := range(lines) {
+    fields := strings.Fields(line)
+    if fields[0] == "cpu" {
+      numFields := len(fields)
+      for i := 1; i < numFields; i++ {
+        val, err := strconv.ParseUint(fields[i], 10, 64)
+        if err != nil {
+          fmt.Println("Error: ", i, fields[i], err)
+        }
+        total += val // tally up all the numbers to get total ticks
+        if i == 4 {  // idle is the 5th field in the cpu line
+          idle = val
+        }
+      }
+      return
+    }
+  }
+  return
+}
+
+func getCPUUsage() {
+  idle0, total0 := getCPUSample()
+  time.Sleep(3 * time.Second)
+  idle1, total1 := getCPUSample()
+
+  idleTicks := float64(idle1 - idle0)
+  totalTicks := float64(total1 - total0)
+  cpuUsage := 100 * (totalTicks - idleTicks) / totalTicks
+
+  cpuPercentage = strconv.Itoa(int(cpuUsage))
+}
+
+func cpuUsageLoop() {
+  for {
+    getCPUUsage()
+    time.Sleep(5 * time.Second)
+  }
+}
-- 
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