feat: corner-radius protocol support

src/wayland/handlers/corner_radius.rs

@@ -0,0 +1,44 @@
+use smithay::wayland::shell::xdg::ToplevelSurface;
+
+use crate::wayland::protocols::corner_radius::{
+    delegate_corner_radius, CornerRadiusData, CornerRadiusHandler,
+};
+
+use crate::state::State;
+
+impl CornerRadiusHandler for State {
+    fn corner_radius_state(
+        &mut self,
+    ) -> &mut crate::wayland::protocols::corner_radius::CornerRadiusState {
+        &mut self.common.corner_radius_state
+    }
+
+    fn toplevel_from_resource(
+        &mut self,
+        toplevel: &smithay::reexports::wayland_protocols::xdg::shell::server::xdg_toplevel::XdgToplevel,
+    ) -> Option<ToplevelSurface> {
+        self.common.xdg_shell_state.get_toplevel(toplevel)
+    }
+
+    fn set_corner_radius(
+        &mut self,
+        _toplevel: &cosmic_protocols::corner_radius::v1::server::cosmic_corner_radius_toplevel_v1::CosmicCornerRadiusToplevelV1,
+        _data: &CornerRadiusData,
+        _top_left: u32,
+        _top_right: u32,
+        _bottom_right: u32,
+        _bottom_left: u32,
+    ) {
+        // TODO force redraw? of focus element?
+    }
+
+    fn unset_corner_radius(
+        &mut self,
+        _toplevel: &cosmic_protocols::corner_radius::v1::server::cosmic_corner_radius_toplevel_v1::CosmicCornerRadiusToplevelV1,
+        _data: &CornerRadiusData,
+    ) {
+        // TODO force redraw?
+    }
+}
+
+delegate_corner_radius!(State);

src/wayland/handlers/mod.rs

@@ -5,6 +5,7 @@ pub mod alpha_modifier;
 pub mod atspi;
 pub mod buffer;
 pub mod compositor;
+pub mod corner_radius;
 pub mod data_control;
 pub mod data_device;
 pub mod decoration;