feat: power toggle bar widget

Modules/Bar/Widgets/PowerToggle.qml

@@ -0,0 +1,21 @@
+import QtQuick
+import QtQuick.Layouts
+import Quickshell
+import qs.Commons
+import qs.Services
+import qs.Widgets
+
+NIconButton {
+  id: root
+
+  property ShellScreen screen
+  property real scaling: ScalingService.scale(screen)
+
+  icon: "power_settings_new"
+  tooltipText: "Power Settings"
+  colorBg: Color.mSurfaceVariant
+  colorFg: Color.mError
+  colorBorder: Color.transparent
+  colorBorderHover: Color.transparent
+  onClicked: PanelService.getPanel("powerPanel")?.toggle(screen)
+}

Services/BarWidgetRegistry.qml

@@ -24,6 +24,7 @@ Singleton {
                            "NightLight": nightLightComponent,
                            "NotificationHistory": notificationHistoryComponent,
                            "PowerProfile": powerProfileComponent,
+                           "PowerToggle": powerToggleComponent,
                            "ScreenRecorderIndicator": screenRecorderIndicatorComponent,
                            "SidePanelToggle": sidePanelToggleComponent,
                            "SystemMonitor": systemMonitorComponent,
@@ -87,6 +88,9 @@ Singleton {
   property Component powerProfileComponent: Component {
     PowerProfile {}
   }
+  property Component powerToggleComponent: Component {
+    PowerToggle {}
+  }
   property Component screenRecorderIndicatorComponent: Component {
     ScreenRecorderIndicator {}
   }