bar: add kb layout status icon

Closes #280

config/BarConfig.qml

@@ -22,6 +22,7 @@ JsonObject {
 
     component Status: JsonObject {
         property bool showAudio: false
+        property bool showKbLayout: false
         property bool showNetwork: true
         property bool showBluetooth: true
         property bool showBattery: true

modules/bar/components/StatusIcons.qml

@@ -63,6 +63,23 @@ Item {
             }
         }
 
+        // Keyboard layout icon
+        Loader {
+            id: kbLayout
+
+            Layout.alignment: Qt.AlignHCenter
+            asynchronous: true
+            active: Config.bar.status.showKbLayout
+            visible: active
+
+            sourceComponent: StyledText {
+                animate: true
+                text: Hyprland.kbLayout
+                color: root.colour
+                font.family: Appearance.font.family.mono
+            }
+        }
+
         // Network icon
         Loader {
             id: networkIcon

services/Hyprland.qml

@@ -2,6 +2,7 @@ pragma Singleton
 
 import Quickshell
 import Quickshell.Hyprland
+import Quickshell.Io
 import QtQuick
 
 Singleton {
@@ -14,6 +15,7 @@ Singleton {
     readonly property HyprlandWorkspace focusedWorkspace: Hyprland.focusedWorkspace
     readonly property HyprlandMonitor focusedMonitor: Hyprland.focusedMonitor
     readonly property int activeWsId: focusedWorkspace?.id ?? 1
+    property string kbLayout: "?"
 
     function dispatch(request: string): void {
         Hyprland.dispatch(request);
@@ -27,7 +29,9 @@ Singleton {
             if (n.endsWith("v2"))
                 return;
 
-            if (["workspace", "moveworkspace", "activespecial", "focusedmon"].includes(n)) {
+            if (n === "activelayout") {
+                root.kbLayout = event.parse(2)[1];
+            } else if (["workspace", "moveworkspace", "activespecial", "focusedmon"].includes(n)) {
                 Hyprland.refreshWorkspaces();
                 Hyprland.refreshMonitors();
             } else if (["openwindow", "closewindow", "movewindow"].includes(n)) {
@@ -42,4 +46,12 @@ Singleton {
             }
         }
     }
+
+    Process {
+        running: true
+        command: ["hyprctl", "-j", "devices"]
+        stdout: StdioCollector {
+            onStreamFinished: root.kbLayout = JSON.parse(text).keyboards.find(k => k.main).layout
+        }
+    }
 }