Audio: added a settings to choose your favorite external audio mixer (ex: pavucontrol, ...)

Modules/Bar/Widgets/Microphone.qml

@@ -86,7 +86,7 @@ Item {
   }
 
   function openExternalMixer() {
-    Quickshell.execDetached(["sh", "-c", "pwvucontrol || pavucontrol"]);
+    Quickshell.execDetached(["sh", "-c", Settings.data.audio.externalMixer]);
   }
 
   NPopupContextMenu {

Modules/Bar/Widgets/Volume.qml

@@ -59,7 +59,7 @@ Item {
   }
 
   function openExternalMixer() {
-    Quickshell.execDetached(["sh", "-c", "pwvucontrol || pavucontrol"]);
+    Quickshell.execDetached(["sh", "-c", Settings.data.audio.externalMixer]);
   }
 
   Timer {

Modules/Panels/Settings/Tabs/AudioTab.qml

@@ -10,11 +10,6 @@ ColumnLayout {
   id: root
   spacing: Style.marginL
 
-  NHeader {
-    label: I18n.tr("settings.audio.volumes.section.label")
-    description: I18n.tr("settings.audio.volumes.section.description")
-  }
-
   property real localVolume: AudioService.volume
 
   Connections {
@@ -24,6 +19,11 @@ ColumnLayout {
     }
   }
 
+  NHeader {
+    label: I18n.tr("settings.audio.volumes.section.label")
+    description: I18n.tr("settings.audio.volumes.section.description")
+  }
+
   // Master Volume
   ColumnLayout {
     spacing: Style.marginXXS
@@ -141,6 +141,15 @@ ColumnLayout {
     }
   }
 
+  // External mixer command
+  NTextInput {
+    label: I18n.tr("settings.audio.external-mixer.label")
+    description: I18n.tr("settings.audio.external-mixer.description")
+    placeholderText: I18n.tr("settings.audio.external-mixer.placeholder")
+    text: Settings.data.audio.externalMixer
+    onTextChanged: Settings.data.audio.externalMixer = text
+  }
+
   NDivider {
     Layout.fillWidth: true
     Layout.topMargin: Style.marginL