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Diffstat (limited to '.config/herbstluftwm/panel.sh')
| -rwxr-xr-x | .config/herbstluftwm/panel.sh | 189 |
1 files changed, 189 insertions, 0 deletions
diff --git a/.config/herbstluftwm/panel.sh b/.config/herbstluftwm/panel.sh new file mode 100755 index 0000000..5b1deb0 --- /dev/null +++ b/.config/herbstluftwm/panel.sh @@ -0,0 +1,189 @@ +#!/usr/bin/env bash + +quote() { + local q="$(printf '%q ' "$@")" + printf '%s' "${q% }" +} + +hc_quoted="$(quote "${herbstclient_command[@]:-herbstclient}")" +hc() { "${herbstclient_command[@]:-herbstclient}" "$@" ;} +monitor=${1:-0} +geometry=( $(hc monitor_rect "$monitor") ) +if [ -z "$geometry" ] ;then + echo "Invalid monitor $monitor" + exit 1 +fi +# geometry has the format W H X Y +x=${geometry[0]} +y=${geometry[1]} +panel_width=${geometry[2]} +panel_height=16 +font="-*-fixed-medium-*-*-*-12-*-*-*-*-*-*-*" +bgcolor=$(hc get frame_border_normal_color) +selbg=$(hc get window_border_active_color) +selfg='#101010' + +#### +# Try to find textwidth binary. +# In e.g. Ubuntu, this is named dzen2-textwidth. +if which textwidth &> /dev/null ; then + textwidth="textwidth"; +elif which dzen2-textwidth &> /dev/null ; then + textwidth="dzen2-textwidth"; +elif which xftwidth &> /dev/null ; then # For guix + textwidth="xtfwidth"; +else + echo "This script requires the textwidth tool of the dzen2 project." + exit 1 +fi +#### +# true if we are using the svn version of dzen2 +# depending on version/distribution, this seems to have version strings like +# "dzen-" or "dzen-x.x.x-svn" +if dzen2 -v 2>&1 | head -n 1 | grep -q '^dzen-\([^,]*-svn\|\),'; then + dzen2_svn="true" +else + dzen2_svn="" +fi + +if awk -Wv 2>/dev/null | head -1 | grep -q '^mawk'; then + # mawk needs "-W interactive" to line-buffer stdout correctly + # http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=593504 + uniq_linebuffered() { + awk -W interactive '$0 != l { print ; l=$0 ; fflush(); }' "$@" + } +else + # other awk versions (e.g. gawk) issue a warning with "-W interactive", so + # we don't want to use it there. + uniq_linebuffered() { + awk '$0 != l { print ; l=$0 ; fflush(); }' "$@" + } +fi + +hc pad $monitor $panel_height + +{ + ### Event generator ### + # based on different input data (mpc, date, hlwm hooks, ...) this generates events, formed like this: + # <eventname>\t<data> [...] + # e.g. + # date ^fg(#efefef)18:33^fg(#909090), 2013-10-^fg(#efefef)29 + + #mpc idleloop player & + while true ; do + # "date" output is checked once a second, but an event is only + # generated if the output changed compared to the previous run. + date +$'date\t^fg(#efefef)%H:%M^fg(#909090), %Y-%m-^fg(#efefef)%d' + sleep 1 || break + done > >(uniq_linebuffered) & + childpid=$! + hc --idle + kill $childpid +} 2> /dev/null | { + IFS=$'\t' read -ra tags <<< "$(hc tag_status $monitor)" + visible=true + date="" + windowtitle="" + while true ; do + + ### Output ### + # This part prints dzen data based on the _previous_ data handling run, + # and then waits for the next event to happen. + + separator="^bg()^fg($selbg)|" + # draw tags + for i in "${tags[@]}" ; do + case ${i:0:1} in + '#') + echo -n "^bg($selbg)^fg($selfg)" + ;; + '+') + echo -n "^bg(#9CA668)^fg(#141414)" + ;; + ':') + echo -n "^bg()^fg(#ffffff)" + ;; + '!') + echo -n "^bg(#FF0675)^fg(#141414)" + ;; + *) + echo -n "^bg()^fg(#ababab)" + ;; + esac + if [ ! -z "$dzen2_svn" ] ; then + # clickable tags if using SVN dzen + echo -n "^ca(1,$hc_quoted focus_monitor \"$monitor\" && " + echo -n "$hc_quoted use \"${i:1}\") ${i:1} ^ca()" + else + # non-clickable tags if using older dzen + echo -n " ${i:1} " + fi + done + echo -n "$separator" + echo -n "^bg()^fg() ${windowtitle//^/^^}" + # small adjustments + right="$separator^bg() $date $separator" + right_text_only=$(echo -n "$right" | sed 's.\^[^(]*([^)]*)..g') + # get width of right aligned text.. and add some space.. + width=$($textwidth "$font" "$right_text_only ") + echo -n "^pa($(($panel_width - $width)))$right" + echo + + ### Data handling ### + # This part handles the events generated in the event loop, and sets + # internal variables based on them. The event and its arguments are + # read into the array cmd, then action is taken depending on the event + # name. + # "Special" events (quit_panel/togglehidepanel/reload) are also handled + # here. + + # wait for next event + IFS=$'\t' read -ra cmd || break + # find out event origin + case "${cmd[0]}" in + tag*) + #echo "resetting tags" >&2 + IFS=$'\t' read -ra tags <<< "$(hc tag_status $monitor)" + ;; + date) + #echo "resetting date" >&2 + date="${cmd[@]:1}" + ;; + quit_panel) + exit + ;; + togglehidepanel) + currentmonidx=$(hc list_monitors | sed -n '/\[FOCUS\]$/s/:.*//p') + if [ "${cmd[1]}" -ne "$monitor" ] ; then + continue + fi + if [ "${cmd[1]}" = "current" ] && [ "$currentmonidx" -ne "$monitor" ] ; then + continue + fi + echo "^togglehide()" + if $visible ; then + visible=false + hc pad $monitor 0 + else + visible=true + hc pad $monitor $panel_height + fi + ;; + reload) + exit + ;; + focus_changed|window_title_changed) + windowtitle="${cmd[@]:2}" + ;; + #player) + # ;; + esac + done + + ### dzen2 ### + # After the data is gathered and processed, the output of the previous block + # gets piped to dzen2. + +} 2> /dev/null | dzen2 -w $panel_width -x $x -y $y -fn "$font" -h $panel_height \ + -e "button3=;button4=exec:$hc_quoted use_index -1;button5=exec:$hc_quoted use_index +1" \ + -ta l -bg "$bgcolor" -fg '#efefef' |