Add volume script, update i3 volume hotkeys

.config/i3/blocks

@@ -30,21 +30,19 @@ markup=none
 
 # Volume indicator
 #
-# The first parameter sets the step (and units to display)
-# The second parameter overrides the mixer selection
-# See the script for details.
 [volume]
-#label=VOL
-#label=♪
-label=
+command=$HOME/.config/i3/scripts/volume.sh
+markup=pango
 instance=Master
-#instance=PCM
-interval=1
-signal=10
+interval=once
+signal=1
 
+# Brightness indicator
+#
 [brightness]
 command=$HOME/.config/i3/scripts/brightness.sh
-interval=1
+interval=once
+signal=2
 
 # Network interface monitoring
 #

.config/i3/config

@@ -189,14 +189,17 @@ client.urgent		$bg-color-urgent	$bg-color-urgent	$text-color		#00FF00
 
 # Keybindings
 bindsym $mod+Mod1+l exec $HOME/.config/i3/scripts/lock.sh
-bindsym XF86AudioRaiseVolume exec --no-startup-id pactl set-sink-volume 0 +5% 			# Increase sound volume; Pulse Audio
-bindsym XF86AudioLowerVolume exec --no-startup-id pactl set-sink-volume 0 -5% 			# Decrease sound volume
-bindsym XF86AudioMute exec --no-startup-id pactl set-sink-mute 0 toggle 			# Mute sound
-bindsym $mod+F3 exec xbacklight -inc 10								# Increase screen brightness
-bindsym $mod+F2 exec xbacklight -dec 10								# Decrease screen brightness
-bindsym --release Print exec scrot -e "mv \$f $HOME/Pictures/screen_captures/"			# Fullscreen screenshot
-bindsym --release Shift+Print exec scrot -s -e "mv \$f $HOME/Pictures/screen_captures/"		# Selection screenshot
-bindsym --release $mod+Print exec scrot -u -e "mv \$f $HOME/Pictures/screen_captures/"		# Focused window screenshot
+# Volume
+bindsym XF86AudioRaiseVolume exec --no-startup-id amixer -q -D pulse sset Master 5%+ unmute && pkill -RTMIN+1 i3blocks
+bindsym XF86AudioLowerVolume exec --no-startup-id amixer -q -D pulse sset Master 5%- unmute && pkill -RTMIN+1 i3blocks
+bindsym XF86AudioMute exec --no-startup-id amixer -q -D pulse sset Master toggle && pkill -RTMIN+1 i3blocks
+# Screen brightness
+bindsym $mod+F3 exec xbacklight -inc 10 && pkill -RTMIN+2 i3blocks
+bindsym $mod+F2 exec xbacklight -dec 10 && pkill -RTMIN+2 i3blocks
+# Screenshot
+bindsym --release Print exec scrot -e "mv \$f $HOME/Pictures/screen_captures/"		# Fullscreen
+bindsym --release Shift+Print exec scrot -s -e "mv \$f $HOME/Pictures/screen_captures/"	# Selection
+bindsym --release $mod+Print exec scrot -u -e "mv \$f $HOME/Pictures/screen_captures/"	# Focused window
 
 # Window appearance
 smart_gaps on

.config/i3/scripts/brightness.sh

@@ -1,24 +1,20 @@
 #!/bin/bash
 
 case $BLOCK_BUTTON in
-	# right click
-	3) xbacklight -set 30;;
-	
-	# scroll up
-	4) xbacklight -inc 10 ;;
-	
-	# scroll down
-	5) xbacklight -dec 10 ;;
+	3) xbacklight -set 30 ;; # right click
+	4) xbacklight -inc 10 ;; # scroll up
+	5) xbacklight -dec 10 ;; # scroll down
 esac
 
-percentage=$(printf  "%.0f" "$(xbacklight)")
+PERCENTAGE=$(printf  "%.0f" "$(xbacklight)")
 
-if (( $percentage >= 75 )); then
-	icon=""
-elif (( $percentage >= 25 )); then
-	icon=""
+if (( $PERCENTAGE >= 75 )); then
+	ICON=""
+elif (( $PERCENTAGE >= 25 )); then
+	ICON=""
 else 
-	icon=""
+	ICON=""
 fi
 
-echo $icon $percentage%
+echo $ICON $PERCENTAGE%
+

.config/i3/scripts/volume.sh

@@ -0,0 +1,50 @@
+#!/bin/bash
+
+# default (ALSA), pulse, jack
+MIXER="pulse"
+INSTANCE=${BLOCK_INSTANCE:-"Master"}
+STEP="5%"
+
+case $BLOCK_BUTTON in
+	1) pavucontrol ;; # left click, start sound settings
+	2) amixer -q -D $MIXER sset $INSTANCE 0 unmute ;; # scroll click, set 0
+	3) amixer -q -D $MIXER sset $INSTANCE toggle ;;  # right click, mute/unmute
+	4) amixer -q -D $MIXER sset $INSTANCE ${STEP}+ unmute ;; # scroll up, increase
+	5) amixer -q -D $MIXER sset $INSTANCE ${STEP}- unmute ;; # scroll down, decrease
+esac
+
+INFO=$(amixer -D $MIXER get $INSTANCE)
+
+volume() {
+	VOLUME=$(echo $INFO | sed -nr 's/.*\[([0-9]*)%\].*/\1/p' | head -n 1)
+}
+
+symbol() {
+
+	if [ "$VOLUME" -ge "50" ]; then
+		SYMBOL=""
+	elif [ "$VOLUME" -ge "25" ]; then
+		SYMBOL=""
+	else
+		SYMBOL=""
+	fi
+}
+
+setOutput() {
+	# If sound is not muted	
+	if [ -n "$(echo $INFO | sed -nr 's/(\[on\])/\1/p')" ]; then
+		COLOR="#FFF"
+		volume
+		symbol
+		VOLUME="$VOLUME%"
+	else	
+		COLOR="#676E7D"
+		VOLUME="MUTE"
+		SYMBOL=""
+	fi
+}
+
+setOutput
+
+echo "<span color='$COLOR'>$SYMBOL</span> $VOLUME"
+