253 lines
7.8 KiB
Bash
Executable File
253 lines
7.8 KiB
Bash
Executable File
#!/bin/bash
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hc() { "${herbstclient_command[@]:-herbstclient}" "$@" ;}
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monitor=${1:-0}
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geometry=( $(herbstclient monitor_rect "$monitor") )
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if [ -z "$geometry" ] ;then
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echo "Invalid monitor $monitor"
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exit 1
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fi
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# geometry has the format W H X Y
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x=${geometry[0]}
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y=${geometry[1]}
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panel_width=${geometry[2]}
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panel_height=16
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font="-*-fixed-medium-*-*-*-12-*-*-*-*-*-*-*"
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bgcolor=$(hc get frame_border_normal_color)
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selbg=$(hc get window_border_active_color)
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selfg='#101010'
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####
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# Try to find textwidth binary.
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# In e.g. Ubuntu, this is named dzen2-textwidth.
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if which textwidth &> /dev/null ; then
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textwidth="textwidth";
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elif which dzen2-textwidth &> /dev/null ; then
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textwidth="dzen2-textwidth";
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else
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echo "This script requires the textwidth tool of the dzen2 project."
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exit 1
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fi
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####
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# true if we are using the svn version of dzen2
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# depending on version/distribution, this seems to have version strings like
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# "dzen-" or "dzen-x.x.x-svn"
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if dzen2 -v 2>&1 | head -n 1 | grep -q '^dzen-\([^,]*-svn\|\),'; then
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dzen2_svn="true"
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else
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dzen2_svn=""
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fi
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if awk -Wv 2>/dev/null | head -1 | grep -q '^mawk'; then
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# mawk needs "-W interactive" to line-buffer stdout correctly
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# http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=593504
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uniq_linebuffered() {
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awk -W interactive '$0 != l { print ; l=$0 ; fflush(); }' "$@"
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}
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else
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# other awk versions (e.g. gawk) issue a warning with "-W interactive", so
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# we don't want to use it there.
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uniq_linebuffered() {
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awk '$0 != l { print ; l=$0 ; fflush(); }' "$@"
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}
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fi
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hc pad $monitor $panel_height
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{
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### Event generator ###
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# based on different input data (mpc, date, hlwm hooks, ...) this generates events, formed like this:
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# <eventname>\t<data> [...]
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# e.g.
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# date ^fg(#efefef)18:33^fg(#909090), 2013-10-^fg(#efefef)29
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#mpc idleloop player &
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# time/date events
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while true ; do
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# "date" output is checked once a second, but an event is only
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# generated if the output changed compared to the previous run.
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date +$'date\t^fg(#efefef)%H:%M^fg(#909090), ^fg(#efefef)%a %Y-%m-^fg(#efefef)%d'
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sleep 1 || break
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done > >(uniq_linebuffered) &
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timeloop=$!
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# battery events
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while true ; do
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ac="$(cat /sys/class/power_supply/AC/online)"
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current="$(cat /sys/class/power_supply/BAT0/charge_now)"
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full="$(cat /sys/class/power_supply/BAT0/charge_full)"
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percent="$((current * 100 / full))"
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if (( current > full )); then
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current="$full"
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percent="100"
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fi
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if (( percent < 5 && ac == 0 )); then
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sb="^fg(#ff0000)"
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eb="^fg(#900000)"
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else
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sb="^fg(#efefef)"
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eb="^fg(#909090)"
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fi
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printf "power\t${eb}Bat: ${sb}%s%2d${eb}%%\n" \
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"$(echo $ac | tr '01' '-+')" \
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"$((current * 100 / full))"
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sleep 5 || break
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done > >(uniq_linebuffered) &
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batteryloop=$!
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# quodlibet events
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while true ; do
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status=$(quodlibet --status | cut -d' ' -f1)
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ts="^ca(1,quodlibet --toggle-window)"
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te="^ca()"
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case $status in
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"playing")
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echo -en "music\t$ts^fg(#909090)"
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echo -n "$(quodlibet --print-playing "<title~album>" | iconv -f utf-8 -t ascii//translit)"
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echo "$te"
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;;
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"paused")
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echo -e "music\t$ts^fg(#909090)pauzed$te"
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;;
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*)
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;;
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esac
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sleep 5 || break
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done > >(uniq_linebuffered) &
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quodloop=$!
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# hc events
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hc --idle
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kill $timeloop
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kill $batteryloop
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kill $quodloop
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} 2> /dev/null | {
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IFS=$'\t' read -ra tags <<< "$(hc tag_status $monitor)"
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visible=true
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date=""
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power=""
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music=""
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windowtitle=""
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while true ; do
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### Output ###
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# This part prints dzen data based on the _previous_ data handling run,
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# and then waits for the next event to happen.
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bordercolor="#26221C"
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separator="^bg()^fg($selbg)|"
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# draw tags
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for i in "${tags[@]}" ; do
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if [ "$(hc get_attr tags.by-name.$i.client_count)" = "0" ]; then
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continue
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fi
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case ${i:0:1} in
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'#')
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echo -n "^bg($selbg)^fg($selfg)"
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;;
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'+')
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echo -n "^bg(#9CA668)^fg(#141414)"
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;;
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':')
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echo -n "^bg()^fg(#ffffff)"
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;;
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'!')
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echo -n "^bg(#FF0675)^fg(#141414)"
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;;
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*)
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echo -n "^bg()^fg(#ababab)"
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;;
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esac
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if [ ! -z "$dzen2_svn" ] ; then
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# clickable tags if using SVN dzen
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echo -n "^ca(1,\"${herbstclient_command[@]:-herbstclient}\" "
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echo -n "focus_monitor \"$monitor\" && "
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echo -n "\"${herbstclient_command[@]:-herbstclient}\" "
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echo -n "use \"${i:1}\") ${i:1} ^ca()"
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else
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# non-clickable tags if using older dzen
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echo -n " ${i:1} "
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fi
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done
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echo -n "$separator"
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echo -n "^bg()^fg() ${windowtitle//^/^^}"
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# small adjustments
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right="$music $separator^bg() $power $separator $date $separator"
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right_text_only=$(echo -n "$right" | sed 's.\^[^(]*([^)]*)..g')
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# get width of right aligned text.. and add some space..
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width=$($textwidth "$font" "$right_text_only ")
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echo -n "^pa($(($panel_width - $width)))$right"
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echo
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### Data handling ###
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# This part handles the events generated in the event loop, and sets
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# internal variables based on them. The event and its arguments are
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# read into the array cmd, then action is taken depending on the event
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# name.
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# "Special" events (quit_panel/togglehidepanel/reload) are also handled
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# here.
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# wait for next event
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IFS=$'\t' read -ra cmd || break
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# find out event origin
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case "${cmd[0]}" in
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tag*)
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#echo "resetting tags" >&2
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IFS=$'\t' read -ra tags <<< "$(hc tag_status $monitor)"
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;;
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date)
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#echo "resetting date" >&2
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date="${cmd[@]:1}"
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;;
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power)
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power="${cmd[@]:1}"
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;;
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music)
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music="${cmd[@]:1}"
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;;
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quit_panel)
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exit
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;;
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togglehidepanel)
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currentmonidx=$(hc list_monitors | sed -n '/\[FOCUS\]$/s/:.*//p')
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if [ "${cmd[1]}" -ne "$monitor" ] ; then
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continue
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fi
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if [ "${cmd[1]}" = "current" ] && [ "$currentmonidx" -ne "$monitor" ] ; then
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continue
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fi
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echo "^togglehide()"
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if $visible ; then
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visible=false
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hc pad $monitor 0
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else
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visible=true
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hc pad $monitor $panel_height
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fi
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;;
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reload)
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exit
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;;
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focus_changed|window_title_changed)
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windowtitle="${cmd[@]:2}"
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;;
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#player)
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# ;;
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esac
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done
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### dzen2 ###
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# After the data is gathered and processed, the output of the previous block
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# gets piped to dzen2.
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} 2> /dev/null | dzen2 -w $panel_width -x $x -y $y -fn "$font" -h $panel_height \
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-e 'button3=;button4=exec:herbstclient use_index -1;button5=exec:herbstclient use_index +1' \
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-ta l -bg "$bgcolor" -fg '#efefef'
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# vim: foldmethod=marker
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