Tie volume OSD to dbus event

Modules/ControlCenter/Widgets/AudioSliderRow.qml

@@ -30,7 +30,9 @@ Row {
             cursorShape: Qt.PointingHandCursor
             onClicked: {
                 if (defaultSink) {
+                    AudioService.suppressOSD = true
                     defaultSink.audio.muted = !defaultSink.audio.muted
+                    AudioService.suppressOSD = false
                 }
             }
         }
@@ -67,6 +69,9 @@ Row {
         valueOverride: actualVolumePercent
         thumbOutlineColor: Theme.surfaceContainer
         trackColor: root.sliderTrackColor.a > 0 ? root.sliderTrackColor : Theme.surfaceContainerHigh
+        onIsDraggingChanged: {
+            AudioService.suppressOSD = isDragging
+        }
         onSliderValueChanged: function(newValue) {
             if (defaultSink) {
                 defaultSink.audio.volume = newValue / 100.0

Modules/ControlCenter/Widgets/InputAudioSliderRow.qml

@@ -30,7 +30,9 @@ Row {
             cursorShape: Qt.PointingHandCursor
             onClicked: {
                 if (defaultSource) {
+                    AudioService.suppressOSD = true
                     defaultSource.audio.muted = !defaultSource.audio.muted
+                    AudioService.suppressOSD = false
                 }
             }
         }
@@ -65,6 +67,9 @@ Row {
         valueOverride: actualVolumePercent
         thumbOutlineColor: Theme.surfaceContainer
         trackColor: root.sliderTrackColor.a > 0 ? root.sliderTrackColor : Theme.surfaceContainerHigh
+        onIsDraggingChanged: {
+            AudioService.suppressOSD = isDragging
+        }
         onSliderValueChanged: function(newValue) {
             if (defaultSource) {
                 defaultSource.audio.volume = newValue / 100.0

Modules/OSD/VolumeOSD.qml

@@ -12,12 +12,24 @@ DankOSD {
     enableMouseInteraction: true
 
     Connections {
-        target: AudioService
+        target: AudioService.sink && AudioService.sink.audio ? AudioService.sink.audio : null
 
         function onVolumeChanged() {
-            root.show()
+            if (!AudioService.suppressOSD) {
+                root.show()
+            }
         }
 
+        function onMutedChanged() {
+            if (!AudioService.suppressOSD) {
+                root.show()
+            }
+        }
+    }
+
+    Connections {
+        target: AudioService
+
         function onSinkChanged() {
             if (root.shouldBeVisible) {
                 root.show()

Services/AudioService.qml

@@ -13,9 +13,18 @@ Singleton {
     readonly property PwNode sink: Pipewire.defaultAudioSink
     readonly property PwNode source: Pipewire.defaultAudioSource
 
-    signal volumeChanged
+    property bool suppressOSD: true
+
     signal micMuteChanged
 
+    Timer {
+        id: startupTimer
+        interval: 500
+        repeat: false
+        running: true
+        onTriggered: root.suppressOSD = false
+    }
+
     function displayName(node) {
         if (!node) {
             return ""
@@ -95,7 +104,6 @@ Singleton {
 
         const clampedVolume = Math.max(0, Math.min(100, percentage))
         root.sink.audio.volume = clampedVolume / 100
-        root.volumeChanged()
         return `Volume set to ${clampedVolume}%`
     }
 
@@ -148,7 +156,6 @@ Singleton {
             const newVolume = Math.max(0, Math.min(100, currentVolume + stepValue))
 
             root.sink.audio.volume = newVolume / 100
-            root.volumeChanged()
             return `Volume increased to ${newVolume}%`
         }
 
@@ -166,14 +173,11 @@ Singleton {
             const newVolume = Math.max(0, Math.min(100, currentVolume - stepValue))
 
             root.sink.audio.volume = newVolume / 100
-            root.volumeChanged()
             return `Volume decreased to ${newVolume}%`
         }
 
         function mute(): string {
-            const result = root.toggleMute()
-            root.volumeChanged()
-            return result
+            return root.toggleMute()
         }
 
         function setmic(percentage: string): string {