initial refactoring

platforms/home-manager/modules/nmasur/presets/services/volnoti.nix

@@ -0,0 +1,70 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}:
+
+let
+  cfg = config.nmasur.presets.services.volnoti;
+
+  # These micro-scripts change the volume while also triggering the volume
+  # notification widget
+
+  increaseVolume = pkgs.writeShellScriptBin "increaseVolume" ''
+    ${pkgs.pamixer}/bin/pamixer -i 2
+    volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+    ${pkgs.volnoti}/bin/volnoti-show $volume
+  '';
+
+  decreaseVolume = pkgs.writeShellScriptBin "decreaseVolume" ''
+    ${pkgs.pamixer}/bin/pamixer -d 2
+    volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+    ${pkgs.volnoti}/bin/volnoti-show $volume
+  '';
+
+  toggleMute = pkgs.writeShellScriptBin "toggleMute" ''
+    ${pkgs.pamixer}/bin/pamixer --toggle-mute
+    mute=$(${pkgs.pamixer}/bin/pamixer --get-mute)
+    if [ "$mute" == "true" ]; then
+        ${pkgs.volnoti}/bin/volnoti-show --mute
+    else
+        volume=$(${pkgs.pamixer}/bin/pamixer --get-volume)
+        ${pkgs.volnoti}/bin/volnoti-show $volume
+    fi
+  '';
+in
+
+{
+
+  options.nmasur.presets.services.volnoti.enable = lib.mkEnableOption "Volnoti volume feedback";
+
+  config = lib.mkIf cfg.enable {
+
+    # Graphical volume notifications
+    services.volnoti.enable = true;
+
+    xsession.windowManager.i3.config = {
+
+      # Make sure that Volnoti actually starts (home-manager doesn't start
+      # user daemon's automatically)
+      startup = [
+        {
+          command = "systemctl --user restart volnoti --alpha 0.15 --radius 40 --timeout 0.2";
+          always = true;
+          notification = false;
+        }
+      ];
+
+      # i3 keybinds for changing the volume
+      keybindings = {
+        "XF86AudioRaiseVolume" = "exec --no-startup-id ${increaseVolume}/bin/increaseVolume";
+        "XF86AudioLowerVolume" = "exec --no-startup-id ${decreaseVolume}/bin/decreaseVolume";
+        "XF86AudioMute" = "exec --no-startup-id ${toggleMute}/bin/toggleMute";
+        # We can mute the mic by adding "--default-source"
+        "XF86AudioMicMute" =
+          "exec --no-startup-id ${pkgs.pamixer}/bin/pamixer --default-source --toggle-mute";
+      };
+    };
+  };
+}