desktop widgets: niri overview only option + grid on overlay when on

overview

quickshell/Modules/Plugins/DesktopPluginWrapper.qml

@@ -24,6 +24,7 @@ Item {
 
     readonly property bool showOnOverlay: instanceData?.config?.showOnOverlay ?? false
     readonly property bool showOnOverview: instanceData?.config?.showOnOverview ?? false
+    readonly property bool showOnOverviewOnly: instanceData?.config?.showOnOverviewOnly ?? false
     readonly property bool overviewActive: CompositorService.isNiri && NiriService.inOverview
 
     Connections {
@@ -203,7 +204,13 @@ Item {
     PanelWindow {
         id: widgetWindow
         screen: root.screen
-        visible: root.widgetEnabled && root.activeComponent !== null
+        visible: {
+            if (!root.widgetEnabled || root.activeComponent === null)
+                return false;
+            if (root.showOnOverviewOnly)
+                return root.overviewActive;
+            return true;
+        }
         color: "transparent"
 
         WlrLayershell.namespace: "quickshell:desktop-widget:" + root.pluginId + (root.instanceId ? ":" + root.instanceId : "")
@@ -212,7 +219,7 @@ Item {
                 return WlrLayer.Overlay;
             if (root.showOnOverlay)
                 return WlrLayer.Overlay;
-            if (root.showOnOverview && root.overviewActive)
+            if (root.overviewActive && (root.showOnOverview || root.showOnOverviewOnly))
                 return WlrLayer.Overlay;
             return WlrLayer.Bottom;
         }
@@ -543,7 +550,7 @@ Item {
             mask: Region {}
 
             WlrLayershell.namespace: "quickshell:desktop-widget-grid"
-            WlrLayershell.layer: WlrLayer.Background
+            WlrLayershell.layer: root.overviewActive && (root.showOnOverview || root.showOnOverviewOnly) ? WlrLayer.Overlay : WlrLayer.Background
             WlrLayershell.exclusionMode: ExclusionMode.Ignore
             WlrLayershell.keyboardFocus: WlrKeyboardFocus.None
 

quickshell/Modules/Settings/DesktopWidgetInstanceCard.qml

@@ -246,6 +246,23 @@ SettingsCard {
             }
         }
 
+        SettingsDivider {
+            visible: CompositorService.isNiri
+        }
+
+        SettingsToggleRow {
+            visible: CompositorService.isNiri
+            text: I18n.tr("Show on Overview Only")
+            checked: instanceData?.config?.showOnOverviewOnly ?? false
+            onToggled: isChecked => {
+                if (!root.instanceId)
+                    return;
+                SettingsData.updateDesktopWidgetInstanceConfig(root.instanceId, {
+                    showOnOverviewOnly: isChecked
+                });
+            }
+        }
+
         SettingsDivider {}
 
         Item {