Updated Fully functional sway desktop with GNOME integration under Debian Ubuntu (markdown)

Fully-functional-sway-desktop-with-GNOME-integration-under-Debian-Ubuntu.md

@@ -166,6 +166,7 @@ bindsym $mod+Shift+e exec $fzf_launcher /usr/local/bin/sway-exit
 
 Now the default `$mod+Shift+e` key combination will show a nice exit menu with Logout, Sleep, Reboot and Shutdown options.
 
+
 ## Taking screenshots
 
 For this we'll use [grim](https://github.com/emersion/grim) and [slurp](https://github.com/emersion/slurp). Let's install them first:
@@ -194,4 +195,15 @@ Now to set sway key bindings. In the example below, the `PrtScn` key save a scre
 set $screenshot_file \"$HOME/Pictures/screenshot-$(date '+%Y-%m-%d_%H-%M-%S').png\"
 bindsym Print exec grim -s1 $screenshot_file
 bindsym Alt+Print exec (slurp | grim -g- -s1 $screenshot_file)
+```
+
+## Volume control with multimedia keys
+
+Put these keybindings on your Sway config file:
+
+```
+bindsym XF86AudioRaiseVolume exec pactl set-sink-volume @DEFAULT_SINK@ $(printf "%s\n" 100 $(($(pacmd dump-volumes | grep -m1 Sink | grep -Po '\d+(?=%)' | head -n1) + 3)) | sort -g | head -n1)%
+bindsym XF86AudioLowerVolume exec pactl set-sink-volume @DEFAULT_SINK@ -3%
+bindsym XF86AudioMute exec pactl set-sink-mute @DEFAULT_SINK@ toggle
+bindsym XF86AudioMicMute exec pactl set-source-mute @DEFAULT_SOURCE@ toggle
 ```