From 63e93f5de088f20c4473165b506e42eb333d5c65 Mon Sep 17 00:00:00 2001
From: Damocles <damocles@darkest.space>
Date: Fri, 17 Apr 2026 22:59:46 +0200
Subject: [PATCH] show screen corners on lock screen when enabled

---
 shell/lock/LockSurface.qml | 67 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)

diff --git a/shell/lock/LockSurface.qml b/shell/lock/LockSurface.qml
index 4c7394d..7b245d8 100644
--- a/shell/lock/LockSurface.qml
+++ b/shell/lock/LockSurface.qml
@@ -349,4 +349,71 @@ WlSessionLockSurface {
             _shakeAnim.restart();
         }
     }
+
+    // Screen corners - session lock surfaces render above all layer-shell,
+    // so the bar's ScreenCorners aren't visible. Draw our own.
+    component LockCorner: Canvas {
+        property int corner: 0
+        readonly property int _r: M.Theme.screenRadius
+        visible: _r > 0 && M.Modules.screenCorners.enable
+        width: _r
+        height: _r
+        z: 999
+
+        onPaint: {
+            const r = _r;
+            const ctx = getContext("2d");
+            ctx.clearRect(0, 0, r, r);
+            ctx.fillStyle = "black";
+            ctx.beginPath();
+            switch (corner) {
+            case 0:
+                ctx.moveTo(0, 0);
+                ctx.lineTo(r, 0);
+                ctx.arc(r, r, r, -Math.PI / 2, Math.PI, true);
+                ctx.closePath();
+                break;
+            case 1:
+                ctx.moveTo(r, 0);
+                ctx.lineTo(0, 0);
+                ctx.arc(0, r, r, -Math.PI / 2, 0, false);
+                ctx.closePath();
+                break;
+            case 2:
+                ctx.moveTo(0, r);
+                ctx.lineTo(0, 0);
+                ctx.arc(r, 0, r, Math.PI, Math.PI / 2, true);
+                ctx.closePath();
+                break;
+            case 3:
+                ctx.moveTo(r, r);
+                ctx.lineTo(r, 0);
+                ctx.arc(0, 0, r, 0, Math.PI / 2, false);
+                ctx.closePath();
+                break;
+            }
+            ctx.fill();
+        }
+    }
+
+    LockCorner {
+        corner: 0
+        anchors.top: parent.top
+        anchors.left: parent.left
+    }
+    LockCorner {
+        corner: 1
+        anchors.top: parent.top
+        anchors.right: parent.right
+    }
+    LockCorner {
+        corner: 2
+        anchors.bottom: parent.bottom
+        anchors.left: parent.left
+    }
+    LockCorner {
+        corner: 3
+        anchors.bottom: parent.bottom
+        anchors.right: parent.right
+    }
 }