hyprland/ipc: expose Hyprland toplevels

src/wayland/hyprland/test/manual/toplevels.qml

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+import QtQuick
+import QtQuick.Layouts
+import Quickshell
+import Quickshell.Hyprland
+
+FloatingWindow {
+	ColumnLayout {
+		anchors.fill: parent
+
+		Text { text: "Current toplevel:" }
+
+		ToplevelFromHyprland {
+			modelData: Hyprland.activeToplevel
+		}
+
+		Text { text: "\nAll toplevels:" }
+
+		ListView {
+			Layout.fillHeight: true
+			Layout.fillWidth: true
+			clip: true
+			model: Hyprland.toplevels
+			delegate: ToplevelFromHyprland {}
+		}
+	}
+
+	component ToplevelFromHyprland: ColumnLayout {
+		required property HyprlandToplevel modelData
+
+		Text {
+			text: `Window 0x${modelData.address}, title: ${modelData.title}, activated: ${modelData.activated}, workspace id: ${modelData.workspace.id}, monitor name: ${modelData.monitor.name}, urgent: ${modelData.urgent}`
+		}
+	}
+}