refactor: splitted sway config

.config/sway/config.d/60-bindings-volume.conf

@@ -0,0 +1,21 @@
+# Key bindings to control pipewire or pulseaudio volume with pactl.
+# Displays a notification with the current state if /usr/bin/notify-send is available
+#
+# Volume increase/decrease step can be customized by setting the `$volume_step`
+# variable to a numeric value before including the file.
+# Maximum volume boost level can be set with the `$volume_limit` variable.
+#
+# Requires:     pulseaudio-utils
+# Recommends:   libnotify
+
+set $volume_helper_cmd /usr/libexec/sway/volume-helper
+
+# Allow volume controls even if the screen is locked
+bindsym --locked {
+    XF86AudioRaiseVolume exec \
+        $volume_helper_cmd --limit "$volume_limit" --increase "$volume_step"
+    XF86AudioLowerVolume exec \
+        $volume_helper_cmd --limit "$volume_limit" --decrease "$volume_step"
+    XF86AudioMute    exec pactl set-sink-mute @DEFAULT_SINK@ toggle && $volume_helper_cmd
+    XF86AudioMicMute exec pactl set-source-mute @DEFAULT_SOURCE@ toggle
+}