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 },