LockScreen: add autoStartAuth option

Assets/Translations/en.json

@@ -1090,6 +1090,8 @@
       "weather-show-in-calendar-label": "Display weather in calendar"
     },
     "lock-screen": {
+      "auto-start-auth-description": "e.g., automatically starts fingerprint authentication without requiring a key press or button click.",
+      "auto-start-auth-label": "Auto-start authentication",
       "compact-lockscreen-description": "Show only the login input and system controls, hiding weather and media widgets.",
       "compact-lockscreen-label": "Compact lock screen",
       "lock-on-suspend-description": "Automatically lock the screen when suspending the system.",

Assets/settings-default.json

@@ -86,7 +86,8 @@
     "showChangelogOnStartup": true,
     "telemetryEnabled": false,
     "enableLockScreenCountdown": true,
-    "lockScreenCountdownDuration": 10000
+    "lockScreenCountdownDuration": 10000,
+    "autoStartAuth": false
   },
   "ui": {
     "fontDefault": "",

Commons/Settings.qml

@@ -279,6 +279,7 @@ Singleton {
       property bool telemetryEnabled: false
       property bool enableLockScreenCountdown: true
       property int lockScreenCountdownDuration: 10000
+      property bool autoStartAuth: false
     }
 
     // ui

Modules/LockScreen/LockContext.qml

@@ -56,7 +56,9 @@ Scope {
       }
     } else {
       occupyFingerprintSensorProc.running = false;
-      pam.start();
+      if (Settings.data.general.autoStartAuth) {
+        pam.start();
+      }
     }
   }
 

Modules/LockScreen/LockScreenPanel.qml

@@ -21,7 +21,9 @@ Item {
   required property TextInput passwordInput
 
   Component.onCompleted: {
-    doUnlock();
+    if (Settings.data.general.autoStartAuth) {
+      doUnlock();
+    }
   }
 
   function doUnlock() {

Modules/Panels/Settings/Tabs/LockScreenTab.qml

@@ -25,6 +25,14 @@ ColumnLayout {
     defaultValue: Settings.getDefaultValue("general.compactLockScreen")
   }
 
+  NToggle {
+    label: I18n.tr("panels.lock-screen.auto-start-auth-label")
+    description: I18n.tr("panels.lock-screen.auto-start-auth-description")
+    checked: Settings.data.general.autoStartAuth
+    onToggled: checked => Settings.data.general.autoStartAuth = checked
+    defaultValue: Settings.getDefaultValue("general.autoStartAuth")
+  }
+
   NToggle {
     label: I18n.tr("panels.lock-screen.show-session-buttons-label")
     description: I18n.tr("panels.lock-screen.show-session-buttons-description")