monitor logind dbus events

Modules/Lock/Lock.qml

@@ -8,39 +8,94 @@ import qs.Common
 
 Item {
   id: root
+  property string sid: Quickshell.env("XDG_SESSION_ID") || "self"
+  property string sessionPath: ""
 
   function activate() {
     loader.activeAsync = true
   }
 
-  function checkLockedOnStartup() {
-    lockStateChecker.running = true
-  }
-
   Component.onCompleted: {
-    checkLockedOnStartup()
+    getSessionPath.running = true
   }
 
   Process {
-    id: lockStateChecker
-    command: ["loginctl", "show-session", Quickshell.env("XDG_SESSION_ID"), "--property=LockedHint"]
+    id: getSessionPath
+    command: ["gdbus", "call", "--system", "--dest", "org.freedesktop.login1", "--object-path", "/org/freedesktop/login1", "--method", "org.freedesktop.login1.Manager.GetSession", sid]
     running: false
 
-    onExited: (exitCode, exitStatus) => {
-      if (exitCode !== 0) {
-        console.warn("Failed to check session lock state, exit code:", exitCode)
-      }
-    }
-    
     stdout: StdioCollector {
       onStreamFinished: {
-        if (text.trim() === "LockedHint=yes") {
+        const match = text.match(/objectpath '([^']+)'/)
+        if (match) {
+          root.sessionPath = match[1]
+          console.log("Found session path:", root.sessionPath)
+          checkCurrentLockState.running = true
+          lockStateMonitor.running = true
+        } else {
+          console.warn("Could not determine session path")
+        }
+      }
+    }
+
+    onExited: (exitCode, exitStatus) => {
+      if (exitCode !== 0) {
+        console.warn("Failed to get session path, exit code:", exitCode)
+      }
+    }
+  }
+
+  Process {
+    id: checkCurrentLockState
+    command: root.sessionPath ? ["gdbus", "call", "--system", "--dest", "org.freedesktop.login1", "--object-path", root.sessionPath, "--method", "org.freedesktop.DBus.Properties.Get", "org.freedesktop.login1.Session", "LockedHint"] : []
+    running: false
+
+    stdout: StdioCollector {
+      onStreamFinished: {
+        if (text.includes("true")) {
           console.log("Session is locked on startup, activating lock screen")
           loader.activeAsync = true
         }
       }
     }
+
+    onExited: (exitCode, exitStatus) => {
+      if (exitCode !== 0) {
+        console.warn("Failed to check initial lock state, exit code:", exitCode)
       }
+    }
+  }
+
+  Process {
+    id: lockStateMonitor
+    command: root.sessionPath ? ["gdbus", "monitor", "--system", "--dest", "org.freedesktop.login1", "--object-path", root.sessionPath] : []
+    running: false
+
+    stdout: StdioCollector {
+      onRead: (chunk) => {
+        if (chunk.includes("LockedHint") && chunk.includes("true")) {
+          console.log("login1: LockedHint=true -> show lock")
+          loader.activeAsync = true
+        } else if (chunk.includes("LockedHint") && chunk.includes("false")) {
+          console.log("login1: LockedHint=false -> hide lock")
+          loader.active = false
+        }
+      }
+      onStreamFinished: {
+        console.warn("gdbus monitor ended, restarting...")
+        Qt.callLater(() => {
+          if (root.sessionPath) lockStateMonitor.running = true
+        })
+      }
+    }
+
+    onExited: (exitCode, exitStatus) => {
+      if (exitCode !== 0) {
+        console.warn("gdbus monitor failed, exit code:", exitCode)
+      }
+    }
+  }
+
 
   LazyLoader {
     id: loader