fix volume mixer: separate PopupPanel to avoid layer-shell resize issue

modules/Bar.qml

@@ -171,6 +171,7 @@ PanelWindow {
                 }
                 M.Volume {
                     visible: M.Modules.volume.enable
+                    bar: bar
                 }
             }
 

modules/HoverPanel.qml

@@ -62,10 +62,7 @@ PanelWindow {
         }
     }
 
-    on_WinVisibleChanged: console.log("[hp:" + panelNamespace + "] _winVisible →", _winVisible)
-
     onShowPanelChanged: {
-        console.log("[hp:" + panelNamespace + "] showPanel →", showPanel);
         if (showPanel) {
             _hideTimer.stop();
             _updatePosition();
@@ -111,15 +108,11 @@ PanelWindow {
             duration: 150
             easing.type: Easing.InCubic
         }
-        onStarted: console.log("[hp:" + panelNamespace + "] hideAnim started")
         onFinished: root._winVisible = false
     }
 
     HoverHandler {
-        onHoveredChanged: {
+        onHoveredChanged: root.panelHovered = hovered
-            console.log("[hp:" + panelNamespace + "] hovered →", hovered);
-            root.panelHovered = hovered;
-        }
     }
 
     M.PopupBackground {

modules/Volume.qml

@@ -38,18 +38,9 @@ M.BarSection {
         return streams;
     }
 
-    property bool _expanded: false
     property bool _osdActive: false
     readonly property bool _anyHover: root._hovered || hoverPanel.panelHovered
-    readonly property bool _showPanel: _anyHover || _expanded || _osdActive
+    readonly property bool _showPanel: _anyHover || _osdActive
-
-    on_ShowPanelChanged: {
-        console.log("[vol] showPanel →", _showPanel, "| expanded:", _expanded, "| anyHover:", _anyHover);
-        if (!_showPanel)
-            _expanded = false;
-    }
-
-    on_ExpandedChanged: console.log("[vol] expanded →", _expanded)
 
     onVolumeChanged: _flashPanel()
     onMutedChanged: _flashPanel()
@@ -65,6 +56,8 @@ M.BarSection {
         onTriggered: root._osdActive = false
     }
 
+    required property var bar
+
     M.BarIcon {
         icon: root._volumeIcon
         minIcon: "\uF028"
@@ -98,7 +91,7 @@ M.BarSection {
         }
     }
 
-    // Unified volume panel — hover shows slider, click expands to show devices
+    // OSD panel — hover shows slider only, fixed height, no resize
     M.HoverPanel {
         id: hoverPanel
         showPanel: root._showPanel
@@ -107,14 +100,12 @@ M.BarSection {
         accentColor: root.accentColor
         panelNamespace: "nova-volume"
         contentWidth: 220
-        animateHeight: true
 
-        // Compact: slider row
+        // Slider row
         Item {
             width: parent.width
             height: 36
 
-            // Mute toggle
             Text {
                 id: muteIcon
                 anchors.left: parent.left
@@ -132,7 +123,6 @@ M.BarSection {
                 }
             }
 
-            // Slider
             Item {
                 id: slider
                 anchors.left: muteIcon.right
@@ -147,13 +137,11 @@ M.BarSection {
                     color: M.Theme.base02
                     radius: 3
                 }
-
                 Rectangle {
                     width: parent.width * Math.min(1, Math.max(0, root.volume))
                     height: parent.height
                     color: root._volumeColor
                     radius: 3
-
                     Behavior on width {
                         NumberAnimation {
                             duration: 80
@@ -191,7 +179,7 @@ M.BarSection {
             }
         }
 
-        // Sink name — click to expand/collapse device list
+        // Sink name row — click chevron to open mixer popup
         Item {
             width: parent.width
             height: 22
@@ -214,7 +202,7 @@ M.BarSection {
                 anchors.right: parent.right
                 anchors.rightMargin: 12
                 anchors.verticalCenter: parent.verticalCenter
-                text: root._expanded ? "\uF077" : "\uF078"
+                text: "\uF078"
                 color: M.Theme.base04
                 font.pixelSize: M.Theme.fontSize - 3
                 font.family: M.Theme.iconFontFamily
@@ -222,17 +210,24 @@ M.BarSection {
 
             TapHandler {
                 cursorShape: Qt.PointingHandCursor
-                onTapped: root._expanded = true
+                onTapped: mixerLoader.active = true
+            }
         }
     }
 
-        // Expanded: output device list
+    // Mixer popup — separate window, no resize issues
-        Column {
+    LazyLoader {
-            id: deviceList
+        id: mixerLoader
-            width: parent.width
+        active: false
-            visible: root._expanded
 
-            // Separator
+        M.PopupPanel {
+            accentColor: root.accentColor
+            screen: root.bar.screen
+            anchorX: root.mapToGlobal(root.width / 2, 0).x - (root.bar.screen?.x ?? 0)
+            panelWidth: 220
+            onDismissed: mixerLoader.active = false
+
+            // Output devices
             Rectangle {
                 width: parent.width - 16
                 height: 1
@@ -240,7 +235,6 @@ M.BarSection {
                 color: M.Theme.base03
             }
 
-            // Header
             Text {
                 width: parent.width
                 height: 24
@@ -258,7 +252,7 @@ M.BarSection {
                 delegate: Item {
                     required property var modelData
 
-                    width: deviceList.width
+                    width: 220
                     height: 28
 
                     readonly property bool _active: modelData === root.sink
@@ -293,31 +287,25 @@ M.BarSection {
                     TapHandler {
                         onTapped: {
                             Pipewire.preferredDefaultAudioSink = modelData;
-                            root._expanded = false;
+                            mixerLoader.active = false;
                         }
                     }
                 }
             }
 
-            // Streams header (only if there are streams)
+            // Streams section
-            Item {
-                visible: root._streamList.length > 0
-                width: parent.width
-                height: visible ? streamSep.height + streamHeader.height : 0
-
             Rectangle {
-                    id: streamSep
+                visible: root._streamList.length > 0
                 width: parent.width - 16
-                    height: 1
+                height: visible ? 1 : 0
                 anchors.horizontalCenter: parent.horizontalCenter
                 color: M.Theme.base03
             }
 
             Text {
-                    id: streamHeader
+                visible: root._streamList.length > 0
-                    anchors.top: streamSep.bottom
                 width: parent.width
-                    height: 24
+                height: visible ? 24 : 0
                 verticalAlignment: Text.AlignVCenter
                 leftPadding: 12
                 text: "Applications"
@@ -325,7 +313,6 @@ M.BarSection {
                 font.pixelSize: M.Theme.fontSize - 1
                 font.family: M.Theme.fontFamily
             }
-            }
 
             Repeater {
                 model: root._streamList
@@ -334,7 +321,7 @@ M.BarSection {
                     id: streamEntry
                     required property var modelData
 
-                    width: deviceList.width
+                    width: 220
                     height: 32
 
                     readonly property string _appName: modelData.properties["application.name"] || modelData.description || modelData.name || "Unknown"
@@ -422,12 +409,6 @@ M.BarSection {
                     }
                 }
             }
-
-            // Bottom padding
-            Item {
-                width: 1
-                height: 4
-            }
         }
     }
 }