Add screencast indicator for niri (#1361)

* niri: Handle new Cast events

* bar: Add screen sharing indicator

Configurable like other icons; on by default.

* lockscreen: Add screen sharing indicator

quickshell/Common/SettingsData.qml

@@ -145,6 +145,7 @@ Singleton {
     property bool controlCenterShowMicPercent: true
     property bool controlCenterShowBatteryIcon: false
     property bool controlCenterShowPrinterIcon: false
+    property bool controlCenterShowScreenSharingIcon: true
     property bool showPrivacyButton: true
     property bool privacyShowMicIcon: false
     property bool privacyShowCameraIcon: false

quickshell/Common/settings/Lists.qml

@@ -28,7 +28,8 @@ Singleton {
             showMicIcon: false,
             showMicPercent: true,
             showBatteryIcon: false,
-            showPrinterIcon: false
+            showPrinterIcon: false,
+            showScreenSharingIcon: true
         };
         leftModel.append(dummy);
         centerModel.append(dummy);
@@ -84,6 +85,8 @@ Singleton {
                 item.showBatteryIcon = order[i].showBatteryIcon;
             if (isObj && order[i].showPrinterIcon !== undefined)
                 item.showPrinterIcon = order[i].showPrinterIcon;
+            if (isObj && order[i].showScreenSharingIcon !== undefined)
+                item.showScreenSharingIcon = order[i].showScreenSharingIcon;
 
             model.append(item);
         }

quickshell/Common/settings/SettingsSpec.js

@@ -70,6 +70,7 @@ var SPEC = {
     controlCenterShowMicPercent: { def: false },
     controlCenterShowBatteryIcon: { def: false },
     controlCenterShowPrinterIcon: { def: false },
+    controlCenterShowScreenSharingIcon: { def: true },
 
     showPrivacyButton: { def: true },
     privacyShowMicIcon: { def: false },

quickshell/Modules/DankBar/Widgets/ControlCenterButton.qml

@@ -24,6 +24,7 @@ BasePill {
     property bool showMicPercent: widgetData?.showMicPercent !== undefined ? widgetData.showMicPercent : SettingsData.controlCenterShowMicPercent
     property bool showBatteryIcon: widgetData?.showBatteryIcon !== undefined ? widgetData.showBatteryIcon : SettingsData.controlCenterShowBatteryIcon
     property bool showPrinterIcon: widgetData?.showPrinterIcon !== undefined ? widgetData.showPrinterIcon : SettingsData.controlCenterShowPrinterIcon
+    property bool showScreenSharingIcon: widgetData?.showScreenSharingIcon !== undefined ? widgetData.showScreenSharingIcon : SettingsData.controlCenterShowScreenSharingIcon
     property real touchpadThreshold: 100
     property real micAccumulator: 0
     property real volumeAccumulator: 0
@@ -213,7 +214,7 @@ BasePill {
     }
 
     function hasNoVisibleIcons() {
-        return !root.showNetworkIcon && !root.showBluetoothIcon && !root.showAudioIcon && !root.showVpnIcon && !root.showBrightnessIcon && !root.showMicIcon && !root.showBatteryIcon && !root.showPrinterIcon;
+        return !root.showNetworkIcon && !root.showBluetoothIcon && !root.showAudioIcon && !root.showVpnIcon && !root.showBrightnessIcon && !root.showMicIcon && !root.showBatteryIcon && !root.showPrinterIcon && !root.showScreenSharingIcon;
     }
 
     content: Component {
@@ -227,6 +228,14 @@ BasePill {
                 anchors.centerIn: parent
                 spacing: Theme.spacingXS
 
+                DankIcon {
+                    name: "screen_record"
+                    size: Theme.barIconSize(root.barThickness, -4)
+                    color: NiriService.hasActiveCast ? Theme.primary : Theme.surfaceText
+                    anchors.horizontalCenter: parent.horizontalCenter
+                    visible: root.showScreenSharingIcon && NiriService.hasCasts
+                }
+
                 DankIcon {
                     name: root.getNetworkIconName()
                     size: Theme.barIconSize(root.barThickness, -4)
@@ -402,6 +411,14 @@ BasePill {
                 anchors.centerIn: parent
                 spacing: Theme.spacingXS
 
+                DankIcon {
+                    name: "screen_record"
+                    size: Theme.barIconSize(root.barThickness, -4)
+                    color: NiriService.hasActiveCast ? Theme.primary : Theme.surfaceText
+                    anchors.verticalCenter: parent.verticalCenter
+                    visible: root.showScreenSharingIcon && NiriService.hasCasts
+                }
+
                 DankIcon {
                     id: networkIcon
                     name: root.getNetworkIconName()

quickshell/Modules/Lock/LockScreenContent.qml

@@ -1406,6 +1406,14 @@ Item {
                 anchors.verticalCenter: parent.verticalCenter
                 visible: NetworkService.networkAvailable || (BluetoothService.available && BluetoothService.enabled) || (AudioService.sink && AudioService.sink.audio)
 
+                DankIcon {
+                    name: "screen_record"
+                    size: Theme.iconSize - 2
+                    color: NiriService.hasActiveCast ? "white" : Qt.rgba(255, 255, 255, 0.5)
+                    anchors.verticalCenter: parent.verticalCenter
+                    visible: NiriService.hasCasts
+                }
+
                 DankIcon {
                     name: {
                         if (NetworkService.wifiToggling)

quickshell/Modules/Settings/WidgetsTab.qml

@@ -383,6 +383,7 @@ Item {
             widgetObj.showMicPercent = SettingsData.controlCenterShowMicPercent;
             widgetObj.showBatteryIcon = SettingsData.controlCenterShowBatteryIcon;
             widgetObj.showPrinterIcon = SettingsData.controlCenterShowPrinterIcon;
+            widgetObj.showScreenSharingIcon = SettingsData.controlCenterShowScreenSharingIcon;
         }
         if (widgetId === "diskUsage")
             widgetObj.mountPath = "/";
@@ -443,6 +444,7 @@ Item {
                 newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
                 newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
                 newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+                newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
             }
             widgets[i] = newWidget;
             break;
@@ -499,6 +501,7 @@ Item {
             newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
             newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
             newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+            newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
         }
         widgets[widgetIndex] = newWidget;
         setWidgetsForSection(sectionId, widgets);
@@ -577,6 +580,7 @@ Item {
             newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
             newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
             newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+            newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
         }
         widgets[widgetIndex] = newWidget;
         setWidgetsForSection(sectionId, widgets);
@@ -608,7 +612,8 @@ Item {
             "showMicIcon": widget.showMicIcon ?? SettingsData.controlCenterShowMicIcon,
             "showMicPercent": widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent,
             "showBatteryIcon": widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon,
-            "showPrinterIcon": widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon
+            "showPrinterIcon": widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon,
+            "showScreenSharingIcon": widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon
         };
         newWidget[settingName] = value;
 
@@ -675,6 +680,7 @@ Item {
             newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
             newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
             newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+            newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
         }
         widgets[widgetIndex] = newWidget;
         setWidgetsForSection(sectionId, widgets);
@@ -735,6 +741,7 @@ Item {
             newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
             newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
             newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+            newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
         }
         widgets[widgetIndex] = newWidget;
         setWidgetsForSection(sectionId, widgets);
@@ -795,6 +802,7 @@ Item {
                     newWidget.showMicPercent = widget.showMicPercent ?? SettingsData.controlCenterShowMicPercent;
                     newWidget.showBatteryIcon = widget.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
                     newWidget.showPrinterIcon = widget.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+                    newWidget.showScreenSharingIcon = widget.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
                 }
                 widgets[i] = newWidget;
                 widget = newWidget;
@@ -867,6 +875,8 @@ Item {
                     item.showBatteryIcon = widget.showBatteryIcon;
                 if (widget.showPrinterIcon !== undefined)
                     item.showPrinterIcon = widget.showPrinterIcon;
+                if (widget.showScreenSharingIcon !== undefined)
+                    item.showScreenSharingIcon = widget.showScreenSharingIcon;
                 if (widget.minimumWidth !== undefined)
                     item.minimumWidth = widget.minimumWidth;
                 if (widget.showSwap !== undefined)

quickshell/Modules/Settings/WidgetsTabSection.qml

@@ -875,6 +875,11 @@ Column {
                             icon: "print",
                             label: I18n.tr("Printer"),
                             setting: "showPrinterIcon"
+                        },
+                        {
+                            icon: "screen_record",
+                            label: I18n.tr("Screen Sharing"),
+                            setting: "showScreenSharingIcon"
                         }
                     ]
 
@@ -907,6 +912,8 @@ Column {
                                 return wd?.showBatteryIcon ?? SettingsData.controlCenterShowBatteryIcon;
                             case "showPrinterIcon":
                                 return wd?.showPrinterIcon ?? SettingsData.controlCenterShowPrinterIcon;
+                            case "showScreenSharingIcon":
+                                return wd?.showScreenSharingIcon ?? SettingsData.controlCenterShowScreenSharingIcon;
                             default:
                                 return false;
                             }

quickshell/Services/NiriService.qml

@@ -27,6 +27,10 @@ Singleton {
 
     property bool inOverview: false
 
+    property var casts: []
+    property bool hasCasts: casts.length > 0
+    property bool hasActiveCast: casts.some(c => c.is_active)
+
     property int currentKeyboardLayoutIndex: 0
     property var keyboardLayoutNames: []
 
@@ -356,6 +360,15 @@ Singleton {
         case 'ScreenshotCaptured':
             handleScreenshotCaptured(event.ScreenshotCaptured);
             break;
+        case 'CastsChanged':
+            handleCastsChanged(event.CastsChanged);
+            break;
+        case 'CastStartedOrChanged':
+            handleCastStartedOrChanged(event.CastStartedOrChanged);
+            break;
+        case 'CastStopped':
+            handleCastStopped(event.CastStopped);
+            break;
         }
     }
 
@@ -649,6 +662,28 @@ Singleton {
         }
     }
 
+    function handleCastsChanged(data) {
+        casts = data.casts || [];
+    }
+
+    function handleCastStartedOrChanged(data) {
+        if (!data.cast)
+            return;
+        const cast = data.cast;
+        const existingIndex = casts.findIndex(c => c.stream_id === cast.stream_id);
+        if (existingIndex >= 0) {
+            const updatedCasts = [...casts];
+            updatedCasts[existingIndex] = cast;
+            casts = updatedCasts;
+        } else {
+            casts = [...casts, cast];
+        }
+    }
+
+    function handleCastStopped(data) {
+        casts = casts.filter(c => c.stream_id !== data.stream_id);
+    }
+
     function updateCurrentOutputWorkspaces() {
         if (!currentOutput) {
             currentOutputWorkspaces = allWorkspaces;