DISPLAY_PROTOCOL Variable and separate monitor resolutions (On X11)

Added a DISPLAY_PROTOCOL variable
Resolution information has been converted to a Golang function and now lists different monitors separately

config/fetch_script.sh

@@ -5,20 +5,15 @@ echo -e "${C3}Hostname: ${C4}$(cat /etc/hostname)"
 echo -e "${C3}Kernel: ${C4}$(uname -s) $(uname -r)"
 echo -e "${C3}Packages: ${C4}$(get_packages)"
 echo -e "${C3}Shell: ${C4}${USER_SHELL}"
-if [ ! -z "$CPU_MODEL" ]; then
-  echo -e "${C3}CPU: ${C4}${CPU_MODEL} (${CPU_THREADS} threads)"
-fi
-if [ ! -z "$GPU_MODEL" ]; then
-  echo -e "${C3}GPU: ${C4}${GPU_MODEL}"
-fi
-if [ ! -z "$MEM_TOTAL" ] && [ ! -z "$MEM_USED" ]; then
-  echo -e "${C3}Memory: ${C4}${MEM_USED} MiB / ${MEM_TOTAL} MiB"
-fi
-if xhost >& /dev/null ; then
-  if [ ! -z "$DE_WM" ]; then
-    echo -e "${C3}DE/WM: ${C4}${DE_WM}"
-  fi
-  if command_exists xdpyinfo ; then
-    echo -e "${C3}Screen Resolution: ${C4}$(get_screen_resolution)"
-  fi
+if [ ! -z "$CPU_MODEL" ]; then echo -e "${C3}CPU: ${C4}${CPU_MODEL} (${CPU_THREADS} threads)"; fi
+if [ ! -z "$GPU_MODEL" ]; then echo -e "${C3}GPU: ${C4}${GPU_MODEL}"; fi
+if [ ! -z "$MEM_TOTAL" ] && [ ! -z "$MEM_USED" ]; then echo -e "${C3}Memory: ${C4}${MEM_USED} MiB / ${MEM_TOTAL} MiB"; fi
+if [ ! -z "$DISPLAY_PROTOCOL" ]; then
+  echo -e "${C3}Display Protocol: ${C4}${DISPLAY_PROTOCOL}"
+  for i in $(seq ${CONNECTED_MONITORS}); do
+    monitor="MONITOR$i"
+    echo -e "${C3}Screen $i: ${C4}${!monitor}"
+  done
 fi
+if [ ! -z "$DE_WM" ]; then echo -e "${C3}DE/WM: ${C4}${DE_WM}"; fi
+

config/fetch_script_functions.sh

@@ -9,12 +9,6 @@ command_exists() {
     fi
 }
 
-get_screen_resolution() {
-    if xhost >& /dev/null && command_exists xdpyinfo; then
-        xdpyinfo | grep dimensions | tr -s ' ' | cut -d " " -f3
-    fi
-}
-
 get_packages() {
     ARRAY=()
     if command_exists dpkg; then

main.go

@@ -151,6 +151,14 @@ func readConfig() {
 	}
 	cmd.Env = append(cmd.Env, "DE_WM="+GetDEWM())
 	cmd.Env = append(cmd.Env, "USER_SHELL="+GetShell())
+	cmd.Env = append(cmd.Env, "DISPLAY_PROTOCOL="+GetDisplayProtocol())
+	monitors := getMonitorResolution()
+	if len(monitors) != 0 {
+		cmd.Env = append(cmd.Env, "CONNECTED_MONITORS="+strconv.Itoa(len(monitors)))
+		for i, monitor := range monitors {
+			cmd.Env = append(cmd.Env, "MONITOR"+strconv.Itoa(i+1)+"="+monitor)
+		}
+	}
 	if getGPUName() != "" {
 		cmd.Env = append(cmd.Env, "GPU_MODEL="+getGPUName())
 	}

utils.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"bufio"
+	"fmt"
 	"github.com/jackmordaunt/ghw"
 	"github.com/mitchellh/go-ps"
 	"log"
@@ -283,6 +284,47 @@ func GetDEWM() string {
 	return ""
 }
 
+func GetDisplayProtocol() string {
+	protocol := os.Getenv("XDG_SESSION_TYPE")
+	if protocol == "x11" {
+		return "X11"
+	} else if protocol == "wayland" {
+		return "Wayland"
+	}
+	return ""
+}
+
+func getMonitorResolution() []string {
+	var monitors []string
+	runCommand := func(command string) string {
+		cmd := exec.Command("/bin/bash", "-c", command)
+		workdir, err := os.Getwd()
+		if err != nil {
+			return ""
+		}
+		cmd.Dir = workdir
+		cmd.Env = os.Environ()
+		out, err := cmd.Output()
+		if err != nil {
+			return ""
+		}
+		return strings.TrimSpace(string(out))
+	}
+
+	if GetDisplayProtocol() == "X11" {
+		if _, err := os.Stat("/usr/bin/xrandr"); err != nil {
+			return monitors
+		}
+		connections := strings.Split(runCommand("xrandr --query | grep -w \"connected\" | awk '{print $1}'"), "\n")
+		for i, con := range connections {
+			Xaxis := runCommand(fmt.Sprintf("xrandr --current | grep -m%d '*' | tail -n1 | uniq | awk '{print $1}' | cut -d 'x' -f1", i+1))
+			Yaxis := runCommand(fmt.Sprintf("xrandr --current | grep -m%d '*' | tail -n1 | uniq | awk '{print $1}' | cut -d 'x' -f2", i+1))
+			monitors = append(monitors, con+" ("+Xaxis+"x"+Yaxis+")")
+		}
+	}
+	return monitors
+}
+
 func stripAnsii(str string) string {
 	const ansi = "[\u001B\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[a-zA-Z\\d]*)*)?\u0007)|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PRZcf-ntqry=><~]))"
 	var re = regexp.MustCompile(ansi)