Bar editor: removing the last ControlCenter triggers a toast warning.

Assets/Translations/en.json

@@ -771,7 +771,7 @@
       },
       "section-editor": {
         "placeholder": "Select a widget to add...",
-        "search-placeholder": "Search widgets..."
+        "search-placeholder": "Search widget..."
       },
       "active-window": {
         "auto-hide": "Hide automatically",
@@ -1233,8 +1233,12 @@
       "unmuted": "Unmuted"
     },
     "battery": {
-      "low": "Low Battery",
+      "low": "Low battery",
       "low-desc": "Battery is at {percent}%. Please connect the charger."
+    },
+    "missing-control-center": {
+      "label": "Last Control Center widget removed",
+      "description": "The Control Center widget has been removed from the bar. To access it from the bar again, you will need to re-add the widget."
     }
   },
   "weather": {

Modules/Settings/Tabs/BarTab.qml

@@ -314,8 +314,13 @@ ColumnLayout {
   function _removeWidgetFromSection(section, index) {
     if (index >= 0 && index < Settings.data.bar.widgets[section].length) {
       var newArray = Settings.data.bar.widgets[section].slice()
-      newArray.splice(index, 1)
+      var removedWidgets = newArray.splice(index, 1)
       Settings.data.bar.widgets[section] = newArray
+
+      // Check that we still have a control center
+      if (removedWidgets[0].id === "ControlCenter" && BarService.lookupWidget("ControlCenter") === undefined) {
+        ToastService.showWarning(I18n.tr("toast.missing-control-center.label"), I18n.tr("toast.missing-control-center.description"), 12000)
+      }
     }
   }