Implement stub mutter-x11-interop

Allows xdp-gnome dialogs to work with X11 clients.

Fixes https://github.com/YaLTeR/niri/issues/594

1 files changed, 93 insertions, 0 deletions

diff --git a/src/protocols/mutter_x11_interop.rs b/src/protocols/mutter_x11_interop.rs
new file mode 100644
index 00000000..cce41f15
--- /dev/null
+++ b/src/protocols/mutter_x11_interop.rs
@@ -0,0 +1,93 @@
+use mutter_x11_interop::MutterX11Interop;
+use smithay::reexports::wayland_server::{
+    Client, DataInit, Dispatch, DisplayHandle, GlobalDispatch, New, Resource,
+};
+
+use super::raw::mutter_x11_interop::v1::server::mutter_x11_interop;
+
+const VERSION: u32 = 1;
+
+pub struct MutterX11InteropManagerState {}
+
+pub struct MutterX11InteropManagerGlobalData {
+    filter: Box<dyn for<'c> Fn(&'c Client) -> bool + Send + Sync>,
+}
+
+pub trait MutterX11InteropHandler {}
+
+impl MutterX11InteropManagerState {
+    pub fn new<D, F>(display: &DisplayHandle, filter: F) -> Self
+    where
+        D: GlobalDispatch<MutterX11Interop, MutterX11InteropManagerGlobalData>,
+        D: Dispatch<MutterX11Interop, ()>,
+        D: MutterX11InteropHandler,
+        D: 'static,
+        F: for<'c> Fn(&'c Client) -> bool + Send + Sync + 'static,
+    {
+        let global_data = MutterX11InteropManagerGlobalData {
+            filter: Box::new(filter),
+        };
+        display.create_global::<D, MutterX11Interop, _>(VERSION, global_data);
+
+        Self {}
+    }
+}
+
+impl<D> GlobalDispatch<MutterX11Interop, MutterX11InteropManagerGlobalData, D>
+    for MutterX11InteropManagerState
+where
+    D: GlobalDispatch<MutterX11Interop, MutterX11InteropManagerGlobalData>,
+    D: Dispatch<MutterX11Interop, ()>,
+    D: MutterX11InteropHandler,
+    D: 'static,
+{
+    fn bind(
+        _state: &mut D,
+        _handle: &DisplayHandle,
+        _client: &Client,
+        manager: New<MutterX11Interop>,
+        _manager_state: &MutterX11InteropManagerGlobalData,
+        data_init: &mut DataInit<'_, D>,
+    ) {
+        data_init.init(manager, ());
+    }
+
+    fn can_view(client: Client, global_data: &MutterX11InteropManagerGlobalData) -> bool {
+        (global_data.filter)(&client)
+    }
+}
+
+impl<D> Dispatch<MutterX11Interop, (), D> for MutterX11InteropManagerState
+where
+    D: Dispatch<MutterX11Interop, ()>,
+    D: MutterX11InteropHandler,
+    D: 'static,
+{
+    fn request(
+        _state: &mut D,
+        _client: &Client,
+        _resource: &MutterX11Interop,
+        request: <MutterX11Interop as Resource>::Request,
+        _data: &(),
+        _dhandle: &DisplayHandle,
+        _data_init: &mut DataInit<'_, D>,
+    ) {
+        match request {
+            mutter_x11_interop::Request::Destroy => (),
+            mutter_x11_interop::Request::SetX11Parent { .. } => (),
+        }
+    }
+}
+
+#[macro_export]
+macro_rules! delegate_mutter_x11_interop {
+    ($(@<$( $lt:tt $( : $clt:tt $(+ $dlt:tt )* )? ),+>)? $ty: ty) => {
+        smithay::reexports::wayland_server::delegate_global_dispatch!($(@< $( $lt $( : $clt $(+ $dlt )* )? ),+ >)? $ty: [
+            $crate::protocols::raw::mutter_x11_interop::v1::server::mutter_x11_interop::MutterX11Interop: $crate::protocols::mutter_x11_interop::MutterX11InteropManagerGlobalData
+        ] => $crate::protocols::mutter_x11_interop::MutterX11InteropManagerState);
+
+        smithay::reexports::wayland_server::delegate_dispatch!($(@< $( $lt $( : $clt $(+ $dlt )* )? ),+ >)? $ty: [
+            $crate::protocols::raw::mutter_x11_interop::v1::server::mutter_x11_interop::MutterX11Interop: ()
+        ] => $crate::protocols::mutter_x11_interop::MutterX11InteropManagerState);
+    };
+}