#!/bin/bash

KEY=$RANDOM

function show_mod_info {
  TXT="\\n<span face='Monospace'>$(modinfo $1 | sed 's/&/\&amp;/g;s/</\&lt;/g;s/>/\&gt;/g')</span>"
  yad --title="Module information" \
      --window-icon="application-x-addon" \
      --button="yad-close" \
      --width=500 \
      --image="application-x-addon" --text="$TXT"
}
export -f show_mod_info

# CPU tab
lscpu | sed -r "s/:[ ]*/\n/" |\
  yad --plug=$KEY --tabnum=1 --image=gtk-info --text="CPU information" \
    --list --no-selection --column="Parameter" --column="Value" &

# Memory tab
sed -r "s/:[ ]*/\n/" /proc/meminfo |\
  yad --plug=$KEY --tabnum=2 --image=media-memory \
      --text="Memory usage information" \
      --list --no-selection --column="Parameter" --column="Value" &

# Harddrive tab
df -T | tail -n +2 | awk '{printf "%s\n%s\n%s\n%s\n%s\n%s\n", $1,$7, $2, $3, $4, $6}' |\
  yad --plug=$KEY --tabnum=3 --image=drive-harddisk \
      --text="Disk space usage" \
      --list --no-selection --column="Device" \
      --column="Mountpoint" --column="Type" \
      --column="Total:sz" --column="Free:sz" \
      --column="Usage:bar" &

# PCI tab
lspci -vmm | sed 's/\&/\&amp;/g' | grep -E "^(Slot|Class|Vendor|Device|Rev):" | cut -f2 |\
  yad --plug=$KEY --tabnum=4 --text="PCI bus devices" \
      --list --no-selection --column="ID" --column="Class" \
      --column="Vendor" --column="Device" --column="Rev" &

# Modules tab
awk '{printf "%s\n%s\n%s\n", $1, $3, $4}' /proc/modules | sed "s/[,-]$//" |\
  yad --plug=$KEY --tabnum=5 --text="Loaded kernel modules" \
      --image="application-x-addon" --image-on-top \
      --list --dclick-action='bash -c "show_mod_info %s"' \
      --column="Name" --column="Used" --column="Depends" &

# Battery tab
( acpi -i ; acpi -a ) | sed -r "s/:[ ]*/\n/" | yad --plug=$KEY --tabnum=6 \
  --image=battery --text="Battery state" --list --no-selection \
  --column="Device" --column="Details" &

# Sensors tab
SENSORS=($(sensors | grep -E '^[^:]+$'))
sid=1
cid=1

for s in ${SENSORS[@]}; do
  echo -e "s$sid\n<b>$s</b>\n"
  sensors -A "$s" | tail -n +2 | while read ln; do
    [[ $ln == "" ]] && continue
    echo "$cid:s$sid"
    echo $ln | sed -r 's/:[ ]+/\n/'
    ((cid++))
  done
    ((sid++))
done | yad --plug=$KEY --tabnum=7 --text="Temperature sensors information" \
  --list --tree --tree-expanded --no-selection --column="Sensor" --column="Value" &

# Main dialog
TXT="<b>Hardware system information</b>\\n\\n"
TXT+="\\tOS: $(lsb_release -ds) on $(hostname)\\n"
TXT+="\\tKernel: $(uname -sr)\\n\\n"
TXT+="\\tUptime: <i>$(uptime)</i>"

yad --notebook --window-icon="dialog-information" \
    --width=600 --height=450 --title="System info" --text="$TXT" --button=yad-close \
    --key=$KEY --tab="CPU" --tab="Memory" --tab="Disks" --tab="PCI" --tab="Modules" \
    --tab="Battery" --tab="Sensors" --active-tab=${1:-1}
