KeyboardLayout: update on keyboard layout change events (niri)

Services/Compositor/NiriService.qml

@@ -2,6 +2,7 @@ import QtQuick
 import Quickshell
 import Quickshell.Io
 import qs.Commons
+import qs.Services.Keyboard
 
 Item {
   id: root
@@ -16,6 +17,8 @@ Item {
 
   property bool overviewActive: false
 
+  property var keyboardLayouts: []
+
   // Signals that match the facade interface
   signal workspaceChanged
   signal activeWindowChanged
@@ -46,6 +49,7 @@ Item {
     niriOutputsProcess.running = true
   }
 
+
   // Niri outputs process for display scale detection
   Process {
     id: niriOutputsProcess
@@ -191,6 +195,10 @@ Item {
                     queryDisplayScales()
                   } else if (event.ConfigLoaded) {
                     queryDisplayScales()
+                  } else if (event.KeyboardLayoutsChanged) {
+                    handleKeyboardLayoutsChanged(event.KeyboardLayoutsChanged)
+                  } else if (event.KeyboardLayoutSwitched) {
+                    handleKeyboardLayoutSwitched(event.KeyboardLayoutSwitched)
                   }
                 } catch (e) {
                   Logger.e("NiriService", "Error parsing event stream:", e, data)
@@ -391,6 +399,27 @@ Item {
     }
   }
 
+  function handleKeyboardLayoutsChanged(eventData) {
+    try {
+      keyboardLayouts = eventData.keyboard_layouts.names
+      const layoutName = keyboardLayouts[eventData.keyboard_layouts.current_idx]
+      KeyboardLayoutService.setCurrentLayout(layoutName)
+      Logger.d("NiriService", "Keyboard layouts changed:", keyboardLayouts.toString())
+    } catch (e) {
+      Logger.e("NiriService", "Error handling keyboardLayoutsChanged:", e)
+    }
+  }
+
+  function handleKeyboardLayoutSwitched(eventData) {
+    try {
+      const layoutName = keyboardLayouts[eventData.idx]
+      KeyboardLayoutService.setCurrentLayout(layoutName)
+      Logger.d("NiriService", "Keyboard layout switched:", layoutName)
+    } catch (e) {
+      Logger.e("NiriService", "Error handling KeyboardLayoutSwitched:", e)
+    }
+  }
+
   // Public functions
   function switchToWorkspace(workspace) {
     try {
@@ -423,4 +452,6 @@ Item {
       Logger.e("NiriService", "Failed to logout:", e)
     }
   }
+
+
 }

Services/Keyboard/KeyboardLayoutService.qml

@@ -25,24 +25,6 @@ Singleton {
     }
   }
 
-  // Process to get current keyboard layout using niri msg (Wayland native)
-  Process {
-    id: niriLayoutProcess
-    running: false
-    command: ["niri", "msg", "-j", "keyboard-layouts"]
-    stdout: StdioCollector {
-      onStreamFinished: {
-        try {
-          const data = JSON.parse(text)
-          const layoutName = data.names[data.current_idx]
-          root.currentLayout = extractLayoutCode(layoutName)
-        } catch (e) {
-          root.currentLayout = I18n.tr("system.unknown-layout")
-        }
-      }
-    }
-  }
-
   // Process to get current keyboard layout using hyprctl (Hyprland)
   Process {
     id: hyprlandLayoutProcess
@@ -170,6 +152,11 @@ Singleton {
     localectlProcess.running = true
   }
 
+  // Updates current layout from various format strings. Called by compositors
+  function setCurrentLayout(layoutString) {
+    root.currentLayout = extractLayoutCode(layoutString)
+  }
+
   // Extract layout code from various format strings using Commons data
   function extractLayoutCode(layoutString) {
     if (!layoutString)
@@ -244,7 +231,7 @@ Singleton {
     if (CompositorService.isHyprland) {
       hyprlandLayoutProcess.running = true
     } else if (CompositorService.isNiri) {
-      niriLayoutProcess.running = true
+      // do nothing, niri calls setCurrentLayout
     } else {
       // Try detection methods in order of preference
       if (Qt.platform.os === "linux") {