Initial commit

1 files changed, 223 insertions, 0 deletions

diff --git a/herbstluftwm/panel.sh b/herbstluftwm/panel.sh
new file mode 100755
index 0000000..035bcf5
--- /dev/null
+++ b/herbstluftwm/panel.sh
@@ -0,0 +1,223 @@
+#!/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=16
+font="-Misc-Termsyn.Icons-Medium-R-Normal--11-79-100-100-C-60-ISO8859-1"
+#font="-*-envy code r-*-*-*-*-11-*-*-*-*-*-*-*"
+# font="DejaVu Sans Mono"
+bgcolor=$(hc get frame_border_normal_color)
+selbg=$(hc get window_border_active_color)
+selfg='#101010'
+popups="/home/matias/.config/herbstluftwm/popups.sh"
+
+####
+# Load the font for the panel, should implement something more optimized
+# But for now it's fine
+xset +fp /usr/share/fonts/local/
+xset fp rehash
+
+####
+# 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)%H:%M^fg(#909090), %Y-%m-^fg(#efefef)%d'
+        sleep 3 || break
+    done > >(uniq_linebuffered) &
+    childpid=$!
+
+    while true; do
+        mpc_output="$(mpc -f "player\t%title% - %artist%" || echo -n "player\t")"
+        echo "$mpc_output" | head -n 1
+        sleep 11 || break
+    done > >(uniq_linebuffered) &
+    mpcpid=$!
+
+    hc --idle
+    kill $childpid
+    kill $mpcpid
+} 2> /dev/null | {
+    IFS=$'\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() ${windowtitle//^/^^}"
+        # small adjustments
+        battery=$(expr $(expr $(cat /sys/class/power_supply/BAT*/charge_now) \* 100) / $(cat /sys/class/power_supply/BAT*/charge_full))
+        if [ "$battery" = "/" ] ;then
+            right="$separator^bg($hintcolor) $date $separator"
+        else
+            right="^bg($hintcolor) ^fg(#efefef)$song $separator "
+            if [[ $battery -lt 20 ]]
+            then
+                right="$right^fg(#ef7f7f)$battery%% $separator $date"
+            elif [[ $battery -lt 50 ]]
+            then
+                right="$right^fg(#e1e17f)$battery%% $separator $date"
+            else
+                right="$right^fg(#efefef)$battery%% $separator $date"
+            fi
+        fi
+        right_text_only=$(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 - $width + 22)))$(printf "$right")"
+        echo
+
+        ### Data handling ###
+        # This part handles the events generated in the event loop, and sets
+        # internal variables based on them. The event and its arguments are
+        # read into the array cmd, then action is taken depending on the event
+        # name.
+        # "Special" events (quit_panel/togglehidepanel/reload) are also handled
+        # here.
+
+        # wait for next event
+        IFS=$'\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="^ca(1, ${popups} cal)${cmd[@]:1}^ca()"
+                ;;
+            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)
+                if [[ x"${cmd[@]:1}" != "x" ]]
+                then
+                    song="^ca(1, ${popups} music) \uEA ^ca()"
+                else
+                    song="wep"
+                fi
+                ;;
+        esac
+    done
+
+    ### dzen2 ###
+    # After the data is gathered and processed, the output of the previous block
+    # gets piped to dzen2. font -> -fn "$font" 
+
+} 2> /dev/null | dzen2 -w $panel_width -x $x -y $y -fn "$font" -h $panel_height \
+    -e 'button3=;button4=exec:herbstclient use_index -1;button5=exec:herbstclient use_index +1' \
+    -ta l -bg "$bgcolor" -fg '#efefef'