Applet: Hide virtual devices by default

Virtual devices are generally created by filters and other special
handling. It doesn't usually make sense to show these, especially when
they are vendor-provided. However, there are use cases to have them
visible, so make it configurable.

applet/contents/config/main.xml

@@ -41,6 +41,9 @@
     <entry name="globalMuteDevices" type="StringList">
       <label>Devices that were not muted with global mute, and will remain muted afterwards.</label>
     </entry>
+    <entry name="showVirtualDevices" type="Bool">
+      <default>false</default>
+    </entry>
   </group>
 
 </kcfg>

applet/contents/ui/ConfigGeneral.qml

@@ -19,6 +19,7 @@ Kirigami.FormLayout {
     property alias cfg_micOsd: micOsd.checked
     property alias cfg_muteOsd: muteOsd.checked
     property alias cfg_outputChangeOsd: outputChangeOsd.checked
+    property alias cfg_showVirtualDevices: showVirtualDevices.checked
 
     VolumeFeedback {
         id: feedback
@@ -45,7 +46,6 @@ Kirigami.FormLayout {
         }
     }
 
-
     Item {
         Kirigami.FormData.isSection: true
     }
@@ -84,4 +84,14 @@ Kirigami.FormLayout {
         id: outputChangeOsd
         text: i18n("Default output device")
     }
+
+    Item {
+        Kirigami.FormData.isSection: true
+    }
+
+    QQC2.CheckBox {
+        id: showVirtualDevices
+        Kirigami.FormData.label: i18nc("@title", "Display:")
+        text: i18n("Show virtual devices")
+    }
 }

applet/contents/ui/main.qml

@@ -28,6 +28,8 @@ Item {
     property string displayName: i18n("Audio Volume")
     property QtObject draggedStream: null
 
+    property bool showVirtualDevices: Plasmoid.configuration.showVirtualDevices
+
     // DEFAULT_SINK_NAME in module-always-sink.c
     readonly property string dummyOutputName: "auto_null"
 
@@ -270,6 +272,7 @@ Item {
         sortRole: "SortByDefault"
         sortOrder: Qt.DescendingOrder
         filterOutInactiveDevices: true
+        filterVirtualDevices: main.showVirtualDevices
         sourceModel: paSinkModel
     }
 
@@ -279,6 +282,7 @@ Item {
         sortRole: "SortByDefault"
         sortOrder: Qt.DescendingOrder
         filterOutInactiveDevices: true
+        filterVirtualDevices: main.showVirtualDevices
         sourceModel: paSourceModel
     }
 

src/qml/PulseObjectFilterModel.qml

@@ -5,6 +5,11 @@ import org.kde.plasma.private.volume 0.1
 PlasmaCore.SortFilterModel {
     property var filters: []
     property bool filterOutInactiveDevices: false
+    property bool filterVirtualDevices: false
+
+    onFilterVirtualDevicesChanged: {
+        invalidate()
+    }
 
     function role(name) {
         return sourceModel.role(name);
@@ -36,6 +41,11 @@ PlasmaCore.SortFilterModel {
                 return false;
             }
         }
+
+        if (filterVirtualDevices && sourceModel.data(idx, sourceModel.role("PulseObject")).virtualDevice) {
+            return false;
+        }
+
         return true;
     }
 }