quickshell and hyprland additions

.config/quickshell/nucleus-shell/services/Volume.qml

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+pragma Singleton
+import QtQuick
+import Quickshell
+import Quickshell.Services.Pipewire
+
+
+Singleton {
+    PwObjectTracker {
+        objects: [
+            Pipewire.defaultAudioSource,
+            Pipewire.defaultAudioSink,
+            Pipewire.nodes,
+            Pipewire.links
+        ]
+    }
+
+    property var sinks: Pipewire.nodes.values.filter(node => node.isSink && !node.isStream && node.audio)
+    property PwNode defaultSink: Pipewire.defaultAudioSink
+
+    property var sources: Pipewire.nodes.values.filter(node => !node.isSink && !node.isStream && node.audio)
+    property PwNode defaultSource: Pipewire.defaultAudioSource
+
+    property real volume: defaultSink?.audio?.volume ?? 0
+    property bool muted: defaultSink?.audio?.muted ?? false
+
+    function setVolume(to: real): void {
+        if (defaultSink?.ready && defaultSink?.audio) {
+            defaultSink.audio.muted = false;
+            defaultSink.audio.volume = Math.max(0, Math.min(1, to));
+        }
+    }
+
+    function setSourceVolume(to: real): void {
+        if (defaultSource?.ready && defaultSource?.audio) {
+            defaultSource.audio.muted = false;
+            defaultSource.audio.volume = Math.max(0, Math.min(1, to));
+        }
+    }
+
+    function setDefaultSink(sink: PwNode): void {
+        Pipewire.preferredDefaultAudioSink = sink;
+    }
+
+    function setDefaultSource(source: PwNode): void {
+        Pipewire.preferredDefaultAudioSource = source;
+    }
+
+    function init() {
+    }
+}