sway_volume: improve notifications

bin/sway_volume

@@ -2,8 +2,23 @@
 source $HOME/.config/sway/bin/sway_helpers
 SINK=$(pactl info | grep "Default Sink" | cut -d ' ' -f 3)
 ICON_PATH=$HOME/.local/share/icons/Tela-circle-dark/16/actions
-NOTIFY_APP="dunstify -a \"Volume\" -r 97"
+NOTIFY_APP="dunstify -a \"Volume\" -h string:x-dunst-stack-tag:volume"
 
+function getProgressString() {
+  ITEMS="$1" # The total number of items(the width of the bar)
+  FILLED_ITEM="$2" # The look of a filled item
+  NOT_FILLED_ITEM="$3" # The look of a not filled item
+  STATUS="$4" # The current progress status in percent
+
+  # calculate how many items need to be filled and not filled
+  FILLED_ITEMS=$(echo "((${ITEMS} * ${STATUS})/100 + 0.5) / 1" | bc)
+  NOT_FILLED_ITEMS=$(echo "$ITEMS - $FILLED_ITEMS" | bc)
+
+  # Assemble the bar string
+  msg=$(printf "%${FILLED_ITEMS}s" | sed "s| |${FILLED_ITEM}|g")
+  msg=${msg}$(printf "%${NOT_FILLED_ITEMS}s" | sed "s| |${NOT_FILLED_ITEM}|g")
+  echo "$msg"
+}
 function notify() {
   VOLUME=$(pactl list sinks | grep "Name: $SINK" -A 8 | grep -oE '[0-9]*%' | head -n 1 | sed 's/%//')
   MUTE=$(pactl list sinks | grep "Name: $SINK" -A 8 | grep 'Mute:' | cut -d " " -f 2)
@@ -11,16 +26,24 @@ function notify() {
   echo $MUTE
 
   ICON=""
+  TITLE=""
+  M=""
   if [ "$MUTE" = "yes" ]; then
     ICON=$ICON_PATH/audio-volume-muted.svg
+    TITLE="Volume ${VOLUME}%"
+    M=""
   elif [ $VOLUME -le 33 ]; then
       ICON=$ICON_PATH/audio-volume-low.svg
+      TITLE="Volume ${VOLUME}%"
   elif [ $VOLUME -le 67 ]; then
       ICON=$ICON_PATH/audio-volume-medium.svg
+      TITLE="Volume ${VOLUME}%"
   else
       ICON=$ICON_PATH/audio-volume-high.svg
+      TITLE="Volume ${VOLUME}%"
   fi
-  $NOTIFY_APP -i $ICON -a "Volume" "$VOLUME Mute: $MUTE"
+  # $NOTIFY_APP -i $ICON -a "Volume" "$TEXT"
+  $NOTIFY_APP -i $ICON -a "$TITLE" "[$(getProgressString 15 "$M" " " $VOLUME)]"
 }
 
 APP="pavucontrol"