✨ feat: play system bell on volume change

it can be disabled within the colorshell's configuration file, under the `misc` section: misc:play_bell_on_volume_change: (true|false)

ags/scripts/arg-handler.ts

@@ -6,6 +6,8 @@ import { Runner } from "../runner/Runner";
 import { showWorkspaceNumber } from "../widget/bar/Workspaces";
 
 import AstalIO from "gi://AstalIO";
+import { playSystemBell } from "./utils";
+import { Config } from "./config";
 
 
 let wsTimeout: (AstalIO.Time|undefined);
@@ -113,30 +115,33 @@ function handleVolumeArgs(args: Array<string>) {
         case "set":
             command[0] === "sink" ? 
                 Wireplumber.getDefault().setSinkVolume(Number.parseInt(args[2]))
-            :
-                Wireplumber.getDefault().setSourceVolume(Number.parseInt(args[2]))
+            : Wireplumber.getDefault().setSourceVolume(Number.parseInt(args[2]))
             return `Done! Set ${command[0]} volume to ${args[2]}`;
 
         case "mute":
             command[0] === "sink" ? 
                 Wireplumber.getDefault().toggleMuteSink()
-            :
-                Wireplumber.getDefault().toggleMuteSource()
+            : Wireplumber.getDefault().toggleMuteSource()
+
             return `Done toggling mute!`;
 
         case "increase":
             command[0] === "sink" ?
                 Wireplumber.getDefault().increaseSinkVolume(Number.parseInt(args[2]))
-            : 
-                Wireplumber.getDefault().increaseSourceVolume(Number.parseInt(args[2]))
+            : Wireplumber.getDefault().increaseSourceVolume(Number.parseInt(args[2]))
+
+            Config.getDefault().getProperty("misc.play_bell_on_volume_change", "boolean") === true &&
+                playSystemBell();
 
             return `Done increasing volume by ${args[2]}`;
 
         case "decrease":
             command[0] === "sink" ?
                 Wireplumber.getDefault().decreaseSinkVolume(Number.parseInt(args[2]))
-            : 
-                Wireplumber.getDefault().decreaseSourceVolume(Number.parseInt(args[2]))
+            : Wireplumber.getDefault().decreaseSourceVolume(Number.parseInt(args[2]))
+
+            Config.getDefault().getProperty("misc.play_bell_on_volume_change", "boolean") === true &&
+                playSystemBell();
 
             return `Done decreasing volume to ${args[2]}`;
     }

ags/scripts/config.ts

@@ -28,7 +28,7 @@ export type ConfigEntries = Partial<{
     }>;
 
     clock: Partial<{
-        /** use the same formats as gnu's `date` command */
+        /** use the same format as gnu's `date` command */
         date_format: string;
     }>;
 
@@ -42,6 +42,10 @@ export type ConfigEntries = Partial<{
         /** whether to save night light values to disk */
         save_on_shutdown: boolean;
     }>;
+
+    misc: Partial<{
+        play_bell_on_volume_change: boolean;
+    }>;
 }>;
 
 type ValueTypes = "string" | "boolean" | "object" | "number" | "undefined" | "any";
@@ -79,6 +83,10 @@ class Config extends GObject.Object {
 
         clock: {
             date_format: "%A %d, %H:%M"
+        },
+
+        misc: {
+            play_bell_on_volume_change: true
         }
     };
 

ags/scripts/utils.ts

@@ -92,6 +92,12 @@ export function deleteFile(path: string): void {
     execAsync([ "rm", "-r", path ]);
 }
 
+export function playSystemBell(): void {
+    execAsync("canberra-gtk-play -i bell").catch((e: Error) => {
+        console.error(`Couldn't play system bell. Stderr: ${e.message}\n${e.stack}`);
+    });
+}
+
 export function isInstalled(commandName: string): boolean {
     const proc = Gio.Subprocess.new(["bash", "-c", `command -v ${commandName}`],
         Gio.SubprocessFlags.STDOUT_PIPE | Gio.SubprocessFlags.STDERR_PIPE);