toasts: add toast for kb layout change

Closes #688

README.md

@@ -588,6 +588,7 @@ default, you must create it manually.
             "configLoaded": true,
             "dndChanged": true,
             "gameModeChanged": true,
+            "kbLayoutChanged": true,
             "numLockChanged": true
         }
     }

config/UtilitiesConfig.qml

@@ -21,5 +21,6 @@ JsonObject {
         property bool audioInputChanged: true
         property bool capsLockChanged: true
         property bool numLockChanged: true
+        property bool kbLayoutChanged: true
     }
 }

services/Hypr.qml

@@ -33,6 +33,8 @@ Singleton {
     readonly property alias options: extras.options
     readonly property alias devices: extras.devices
 
+    property bool hadKeyboard
+
     signal configReloaded
 
     function dispatch(request: string): void {
@@ -69,6 +71,13 @@ Singleton {
             Toaster.toast(qsTr("Num lock disabled"), qsTr("Num lock is currently disabled"), "timer_1");
     }
 
+    onKbLayoutFullChanged: {
+        if (hadKeyboard && Config.utilities.toasts.kbLayoutChanged)
+            Toaster.toast(qsTr("Keyboard layout changed"), qsTr("Layout changed to: %1").arg(kbLayoutFull), "keyboard");
+
+        hadKeyboard = !!keyboard;
+    }
+
     Connections {
         target: Hyprland