Add toggle to hide unoccupied workspaces

Modules/Bar/Widgets/Workspace.qml

@@ -33,6 +33,8 @@ Item {
   }
 
   readonly property string labelMode: (widgetSettings.labelMode !== undefined) ? widgetSettings.labelMode : widgetMetadata.labelMode
+  readonly property bool hideUnoccupied: (widgetSettings.hideUnoccupied !== undefined) ? widgetSettings.hideUnoccupied : widgetMetadata.hideUnoccupied
+  onHideUnoccupiedChanged: refreshWorkspaces()
 
   property bool isDestroying: false
   property bool hovered: false
@@ -91,6 +93,9 @@ Item {
       for (var i = 0; i < WorkspaceService.workspaces.count; i++) {
         const ws = WorkspaceService.workspaces.get(i)
         if (ws.output.toLowerCase() === screen.name.toLowerCase()) {
+          if (hideUnoccupied && !ws.isOccupied && !ws.isFocused) {
+            continue
+          }
           localWorkspaces.append(ws)
         }
       }

Modules/SettingsPanel/Bar/WidgetSettings/WorkspaceSettings.qml

@@ -14,9 +14,10 @@ ColumnLayout {
   property var widgetMetadata: null
 
   function saveSettings() {
-    var settings = Object.assign({}, widgetData || {})
-    settings.labelMode = labelModeCombo.currentKey
-    return settings
+    var settings = Object.assign({}, widgetData || {});
+    settings.labelMode = labelModeCombo.currentKey;
+    settings.hideUnoccupied = hideUnoccupiedToggle.checked;
+    return settings;
   }
 
   NComboBox {
@@ -41,4 +42,12 @@ ColumnLayout {
     onSelected: key => labelModeCombo.currentKey = key
     minimumWidth: 200 * scaling
   }
+
+  NToggle {
+    id: hideUnoccupiedToggle
+    label: "Hide unoccupied"
+    description: "Don't display workspaces without windows."
+    checked: widgetData.hideUnoccupied
+    onToggled: checked => hideUnoccupiedToggle.checked = checked
+  }
 }