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-rwxr-xr-x.config/herbstluftwm/panel.sh184
1 files changed, 184 insertions, 0 deletions
diff --git a/.config/herbstluftwm/panel.sh b/.config/herbstluftwm/panel.sh
new file mode 100755
index 0000000..5b365af
--- /dev/null
+++ b/.config/herbstluftwm/panel.sh
@@ -0,0 +1,184 @@
+#!/bin/bash
+
+hc() { "${herbstclient_command[@]:-herbstclient}" "$@" ;}
+monitor=${1:-0}
+geometry=( $(herbstclient monitor_rect "$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=18
+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";
+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)%a, %b %d, %H:%M:%S'
+ sleep 1 || break
+ done > >(uniq_linebuffered) &
+ childpid=$!
+ hc --idle
+ kill $childpid
+} 2> /dev/null | {
+ IFS=$'\t' read -ra tags <<< "$(hc tag_status $monitor)"
+ visible=true
+ date=""
+ windowtitle=""
+ while true ; do
+
+ ### Output ###
+ # This part prints dzen data based on the _previous_ data handling run,
+ # and then waits for the next event to happen.
+
+ bordercolor="#26221C"
+ separator="^bg()^fg($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,\"${herbstclient_command[@]:-herbstclient}\" "
+ echo -n "focus_monitor \"$monitor\" && "
+ echo -n "\"${herbstclient_command[@]:-herbstclient}\" "
+ echo -n "use \"${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 $panel_height \
+ -e 'button3=' \
+ -ta l -bg "$bgcolor" -fg '#efefef'