From 94a3fdb86c3ce9d1d154538cdef77845a2aaf711 Mon Sep 17 00:00:00 2001
From: Damocles <damocles@darkest.space>
Date: Wed, 22 Apr 2026 21:21:19 +0200
Subject: [PATCH] lock screen: keep password prompt centered when error text
 appears

---
 shell/lock/LockSurface.qml | 54 ++++++++++++++++----------------------
 1 file changed, 22 insertions(+), 32 deletions(-)

diff --git a/shell/lock/LockSurface.qml b/shell/lock/LockSurface.qml
index 35b0ca8..983a2f5 100644
--- a/shell/lock/LockSurface.qml
+++ b/shell/lock/LockSurface.qml
@@ -124,12 +124,12 @@ WlSessionLockSurface {
         unlockFade: root._unlockFade
     }
 
-    // Center content - password and notifications
+    // Center content - password dead center, error below
     Item {
         id: content
         anchors.centerIn: parent
         width: 320
-        height: _col.height
+        height: _lockInput.height
 
         NumberAnimation on opacity {
             from: 0
@@ -144,39 +144,29 @@ WlSessionLockSurface {
             easing.type: Easing.OutCubic
         }
 
-        Column {
-            id: _col
+        // Password input - anchored at center
+        LockInput {
+            id: _lockInput
             anchors.horizontalCenter: parent.horizontalCenter
-            spacing: 24
+            width: 280
+            buffer: root.auth.buffer
+            state: root.auth.state
+        }
 
-            // Password input
-            LockInput {
-                anchors.horizontalCenter: parent.horizontalCenter
-                width: 280
-                buffer: root.auth.buffer
-                state: root.auth.state
-            }
+        // Error message - fixed position below password, never shifts layout
+        Text {
+            anchors.horizontalCenter: parent.horizontalCenter
+            anchors.top: _lockInput.bottom
+            anchors.topMargin: 16
+            text: root.auth.message
+            color: S.Theme.base08
+            font.pixelSize: S.Theme.fontSize - 1
+            font.family: S.Theme.fontFamily
+            opacity: root.auth.message ? 1 : 0
 
-            // Error message
-            Text {
-                anchors.horizontalCenter: parent.horizontalCenter
-                text: root.auth.message
-                color: S.Theme.base08
-                font.pixelSize: S.Theme.fontSize - 1
-                font.family: S.Theme.fontFamily
-                opacity: root.auth.message ? 1 : 0
-                height: root.auth.message ? implicitHeight : 0
-
-                Behavior on opacity {
-                    NumberAnimation {
-                        duration: 200
-                    }
-                }
-                Behavior on height {
-                    NumberAnimation {
-                        duration: 200
-                        easing.type: Easing.OutCubic
-                    }
+            Behavior on opacity {
+                NumberAnimation {
+                    duration: 200
                 }
             }
         }