From 1b5dd21ee610b30d13c9165dfde23989c5e97e8d Mon Sep 17 00:00:00 2001
From: Isaac Freund <mail@isaacfreund.com>
Date: Thu, 24 Oct 2024 12:05:48 +0200
Subject: [PATCH] layer-surface: fix clip box coordinates

The clip box must be relative to the layer surface, not the output.
---
 river/Output.zig | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/river/Output.zig b/river/Output.zig
index 9a5b94e..d4490c3 100644
--- a/river/Output.zig
+++ b/river/Output.zig
@@ -393,11 +393,15 @@ fn sendLayerConfigures(
                     usable_box.* = new_usable_box;
                 }
 
-                layer_surface.popup_tree.node.setPosition(
-                    layer_surface.scene_layer_surface.tree.node.x,
-                    layer_surface.scene_layer_surface.tree.node.y,
-                );
-                layer_surface.scene_layer_surface.tree.node.subsurfaceTreeSetClip(&full_box);
+                const x = layer_surface.scene_layer_surface.tree.node.x;
+                const y = layer_surface.scene_layer_surface.tree.node.y;
+                layer_surface.popup_tree.node.setPosition(x, y);
+                layer_surface.scene_layer_surface.tree.node.subsurfaceTreeSetClip(&.{
+                    .x = -x,
+                    .y = -y,
+                    .width = full_box.width,
+                    .height = full_box.height,
+                });
             }
         }
     }