From aac54d0ea1a5c95aba698aed583ee3fa9670f18b Mon Sep 17 00:00:00 2001
From: Ivan Molodetskikh <yalterz@gmail.com>
Date: Fri, 13 Dec 2024 10:28:25 +0300
Subject: Implement floating child stacking above parents

---
 src/handlers/xdg_shell.rs | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/handlers')

diff --git a/src/handlers/xdg_shell.rs b/src/handlers/xdg_shell.rs
index 869492a2..5cb515ce 100644
--- a/src/handlers/xdg_shell.rs
+++ b/src/handlers/xdg_shell.rs
@@ -647,6 +647,22 @@ impl XdgShellHandler for State {
     fn title_changed(&mut self, toplevel: ToplevelSurface) {
         self.update_window_rules(&toplevel);
     }
+
+    fn parent_changed(&mut self, toplevel: ToplevelSurface) {
+        let Some(parent) = toplevel.parent() else {
+            return;
+        };
+
+        if let Some((mapped, output)) = self.niri.layout.find_window_and_output_mut(&parent) {
+            let output = output.cloned();
+            let window = mapped.window.clone();
+            if self.niri.layout.descendants_added(&window) {
+                if let Some(output) = output {
+                    self.niri.queue_redraw(&output);
+                }
+            }
+        }
+    }
 }
 
 delegate_xdg_shell!(State);
-- 
cgit