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| -rwxr-xr-x | dwm-statusbar | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/dwm-statusbar b/dwm-statusbar new file mode 100755 index 0000000..c49b622 --- /dev/null +++ b/dwm-statusbar @@ -0,0 +1,139 @@ +#!/usr/bin/env bash +# +# ~/scripts/dwm-statusbar +# +# Status bar for dwm. Adapted from: +# https://github.com/w0ng/bin/blob/master/dwm-statusbar + +# Colour codes from dwm/config.h +colour_faded="\x01" # grey on black +colour_neutral="\x02" # blue on black +colour_warning="\x03" # yellow on black +colour_critical="\x04" # red on black +colour_normal="\x05" # grey on black + +# Icon glyphs from font xbmicons.pcf +space=" " + +print_date() { + echo -ne "${colour_normal}$(date "+%d/%m/%y")" +} + +print_time() { + time_local="$(date "+%H:%M")" + time_us="$(TZ='US/Central' date "+%H:%M")" + + echo -ne "${colour_neutral}\uE3D2${colour_normal}${time_local}${colour_faded}${time_us}" +} + +print_volume() { + # empty E022, low E023, full E024, mid E03B + volume=$(amixer get Master | tail -n1 | sed -r 's/.*\[(.*)%\].*/\1/') + mute="$(amixer get Master | tail -n1 | sed -r 's/.*\[(on|off)\].*/\1/')" + + if [ "$mute" == "off" ]; then + vol_colour=$colour_warning + icon_colour=$colour_warning + icon="\uE022" + else + vol_colour=$colour_normal + icon_colour=$colour_neutral + if [ $volume -eq 0 ]; then + icon="\uE022" + elif [ $volume -lt 33 ]; then + icon="\uE023" + elif [ $volume -lt 66 ]; then + icon="\uE03B" + else + icon="\uE024" + fi + fi + + echo -ne "${icon_colour}${icon}${vol_colour}${volume}%" +} + +print_battery() { + # charging E20D, empty E20E, full E20F, 2/3 E210, 1/3 E211 + # 1 or 0 + ac_status=$(cat /sys/class/power_supply/AC/online) + bat_capacity=$(cat /sys/class/power_supply/BAT0/capacity) + + if [ $ac_status -eq 1 ]; then + bat_colour=$colour_normal + icon_colour=$colour_neutral + icon="\uE20D" + elif [ $bat_capacity -lt 10 ]; then + bat_colour=$colour_critical + icon_colour=$colour_critical + icon="\uE20E" + elif [ $bat_capacity -lt 33 ]; then + bat_colour=$colour_warning + icon_colour=$colour_warning + icon="\uE211" + elif [ $bat_capacity -lt 66 ]; then + bat_colour=$colour_normal + icon_colour=$colour_neutral + icon="\uE210" + else + bat_colour=$colour_normal + icon_colour=$colour_neutral + icon="\uE20F" + fi + + echo -ne "${icon_colour}${icon}${bat_colour}${bat_capacity}%" +} + +print_mem_free() { + mem_free="$(free -m | awk 'NR==2 {print $7}')" + + mem_colour=$colour_normal + icon_colour=$colour_neutral + if [ $mem_free -lt 250 ]; then + mem_colour=$colour_critical + icon_colour=$colour_critical + elif [ $mem_free -lt 500 ]; then + mem_colour=$colour_warning + icon_colour=$colour_warning + fi + + echo -ne "${icon_colour}\uE28B${mem_colour}${mem_free}M" +} + +print_cpu_temp() { + cpu_temp=$(sensors | awk 'NR==3 {print $3}' | sed -r 's/\+([0-9]+).*/\1/') + + temp_colour=$colour_normal + icon_colour=$colour_neutral + if [ $cpu_temp -gt 80 ]; then + temp_colour=$colour_critical + icon_colour=$colour_critical + elif [ $cpu_temp -gt 60 ]; then + temp_colour=$colour_warning + icon_colour=$colour_warning + fi + + echo -ne "${icon_colour}\uE3B2${temp_colour}${cpu_temp}°" +} + +# cpu (from: https://bbs.archlinux.org/viewtopic.php?pid=661641#p661641) +print_cpu_used() { + echo -ne "${colour_neutral}\uE3AF${colour_normal}${cpu_used}%" +} + +while true; do + # get new cpu idle and total usage + eval $(awk '/^cpu /{print "cpu_idle_now=" $5 "; cpu_total_now=" $2+$3+$4+$5 }' /proc/stat) + cpu_interval=$((cpu_total_now-${cpu_total_old:-0})) + # calculate cpu usage (%) + let cpu_used="100 * ($cpu_interval - ($cpu_idle_now-${cpu_idle_old:-0})) / $cpu_interval" + + # Pipe to status bar + xsetroot -name "$(print_cpu_used)${space}$(print_cpu_temp)${space}$(print_mem_free)${space}$(print_battery)${space}$(print_volume)${space}$(print_time)$(print_date)" + + # reset old rate + cpu_idle_old=$cpu_idle_now + cpu_total_old=$cpu_total_now + + # loop stats every 1 second + sleep 1 +done |