From 1e30de075068d3834bf8b26a439a7496ac99e777 Mon Sep 17 00:00:00 2001
From: Ian Douglas Scott <idscott@system76.com>
Date: Wed, 11 Oct 2023 12:58:00 -0700
Subject: [PATCH] client: Implement `Eq` for `Connection`

This is useful in some cases, and there's no harm to providing it.
---
 wayland-backend/CHANGELOG.md               | 3 +++
 wayland-backend/src/client_api.rs          | 2 +-
 wayland-backend/src/rs/client_impl/mod.rs  | 8 ++++++++
 wayland-backend/src/sys/client_impl/mod.rs | 8 ++++++++
 wayland-client/CHANGELOG.md                | 3 +++
 wayland-client/src/conn.rs                 | 2 +-
 6 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/wayland-backend/CHANGELOG.md b/wayland-backend/CHANGELOG.md
index 8798c5e77cb..99b336db265 100644
--- a/wayland-backend/CHANGELOG.md
+++ b/wayland-backend/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+### Additions
+- client: Implement `Eq` for `Backend`
+
 ## 0.3.2 -- 2023-09-25
 
 #### Bugfixes
diff --git a/wayland-backend/src/client_api.rs b/wayland-backend/src/client_api.rs
index 9908baa6548..a8633657e5c 100644
--- a/wayland-backend/src/client_api.rs
+++ b/wayland-backend/src/client_api.rs
@@ -129,7 +129,7 @@ impl ObjectId {
 ///
 /// This type hosts all the interface for interacting with the wayland protocol. It can be
 /// cloned, all clones refer to the same underlying connection.
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq, Eq)]
 pub struct Backend {
     pub(crate) backend: client_impl::InnerBackend,
 }
diff --git a/wayland-backend/src/rs/client_impl/mod.rs b/wayland-backend/src/rs/client_impl/mod.rs
index ba10fbb27ae..8001fa3e623 100644
--- a/wayland-backend/src/rs/client_impl/mod.rs
+++ b/wayland-backend/src/rs/client_impl/mod.rs
@@ -139,6 +139,14 @@ impl WeakInnerBackend {
     }
 }
 
+impl PartialEq for InnerBackend {
+    fn eq(&self, rhs: &Self) -> bool {
+        Arc::ptr_eq(&self.state, &rhs.state)
+    }
+}
+
+impl Eq for InnerBackend {}
+
 impl InnerBackend {
     pub fn downgrade(&self) -> WeakInnerBackend {
         WeakInnerBackend { state: Arc::downgrade(&self.state) }
diff --git a/wayland-backend/src/sys/client_impl/mod.rs b/wayland-backend/src/sys/client_impl/mod.rs
index 88c64277b91..946b5918201 100644
--- a/wayland-backend/src/sys/client_impl/mod.rs
+++ b/wayland-backend/src/sys/client_impl/mod.rs
@@ -219,6 +219,14 @@ impl WeakInnerBackend {
     }
 }
 
+impl PartialEq for InnerBackend {
+    fn eq(&self, rhs: &Self) -> bool {
+        Arc::ptr_eq(&self.inner, &rhs.inner)
+    }
+}
+
+impl Eq for InnerBackend {}
+
 unsafe impl Send for InnerBackend {}
 unsafe impl Sync for InnerBackend {}
 
diff --git a/wayland-client/CHANGELOG.md b/wayland-client/CHANGELOG.md
index 85fa344c1b6..75383746121 100644
--- a/wayland-client/CHANGELOG.md
+++ b/wayland-client/CHANGELOG.md
@@ -2,6 +2,9 @@
 
 ## Unreleased
 
+#### Additions
+- Implement `Eq` for `Connection`
+
 ## 0.31.1 -- 2023-09-19
 
 #### Additions
diff --git a/wayland-client/src/conn.rs b/wayland-client/src/conn.rs
index d33826324f8..5900ac54c29 100644
--- a/wayland-client/src/conn.rs
+++ b/wayland-client/src/conn.rs
@@ -34,7 +34,7 @@ use crate::{protocol::wl_display::WlDisplay, EventQueue, Proxy};
 /// In case you need to plug yourself into an external Wayland connection that you don't control, you'll
 /// likely get access to it as a [`Backend`], in which case you can create a [`Connection`] from it using
 /// the [`from_backend`](Connection::from_backend) method.
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub struct Connection {
     pub(crate) backend: Backend,
 }