Add calendar module to polybar

dotfiles/polybar.org

@@ -80,7 +80,7 @@
 
   modules-left = i3 bspwm xwindow
   modules-center =
-  modules-right = pulseaudio wired-network wireless-network wireguard nordvpn loopback redshift lockscreen dunst packages unread_news unread_mail temperature battery date
+  modules-right = pulseaudio wired-network wireless-network wireguard nordvpn loopback redshift lockscreen dunst packages unread_news unread_mail calendar temperature battery date
 
   wm-restack = i3
 
@@ -461,6 +461,61 @@
   $TERMINAL -e "tmux new-session -A -s newsboat newsboat"
 #+end_src
 
+* Calendar
+#+BEGIN_SRC conf
+  [module/calendar]
+  type = custom/script
+
+  format-underline = ${colors.bg}
+  click-left = ~/.config/polybar/scripts/calendar-open.sh >/dev/null 2>%1 &
+  format = <label>
+  exec = ~/.config/polybar/scripts/calendar-status.sh
+  interval = 5
+#+END_SRC
+
+** Calendar Status Scripts
+:PROPERTIES:
+:header-args:  :tangle ~/.config/polybar/scripts/calendar-status.sh
+:header-args+: :comments both :mkdirp yes
+:header-args+: :shebang "#!/usr/bin/env bash"
+:END:
+
+#+begin_src bash
+  next_events=$(khal list "$(date +"%H:%M")" 23:59 --format "{start-time} - {title}" -df 'SKIPME' | grep -v 'SKIPME' | grep -v 'No events')
+
+  cal_icon=""
+  cal_nb=""
+  cal_desc=""
+
+  if [ -n "$next_events" ]; then
+      events_number="$(echo "$next_events" | wc -l)"
+
+      if [ "$events_number" -gt "1" ]; then
+          cal_nb=" ($events_number)"
+      fi
+
+      next_timed_events=$(echo "$next_events" | sed -e '/^[^0-9]/d')
+      if [ -z "$next_timed_events" ]; then
+          # Only full day events
+          cal_desc=" $(echo "$next_events" | sed -e '/^[0-9]/d;s/^ - //' | head -n 1 | cut -c 1-15)"
+      else
+          cal_desc=" $(echo "$next_timed_events" | head -n 1 | cut -c 1-20)"
+      fi
+  fi
+
+  echo "${cal_icon}${cal_nb}${cal_desc}"
+#+end_src
+
+** Open Calendar
+:PROPERTIES:
+:header-args:  :tangle ~/.config/polybar/scripts/calendar-open.sh
+:header-args+: :comments both :mkdirp yes
+:header-args+: :shebang "#!/usr/bin/env bash"
+:END:
+#+begin_src bash
+  $TERMINAL --class="Floating" -e "khal interactive"
+#+end_src
+
 * Redshift
 #+BEGIN_SRC conf
   [module/redshift]
@@ -818,7 +873,7 @@
 #+begin_src bash
   loopback=$(pactl list 2>/dev/null | grep module-loopback | wc -l)
 
-  if [ $loopback -eq 0 ]; then
+  if [ "$loopback" -eq "0" ]; then
       echo ""
   else
       echo "%{F#859900}%{F-}"
@@ -835,7 +890,7 @@
 #+begin_src bash
   loopback=$(pactl list 2>/dev/null | grep module-loopback | wc -l)
 
-  if [ $loopback -eq 0 ]; then
+  if [ "$loopback" -eq "0" ]; then
       pactl load-module module-loopback latency_msec=1 && \
           dunstify --replace=82244 "Loopback" "Enabled"
   else