feat: ext-background-effect blur

winit/src/platform_specific/wayland/handlers/ext_background_effect.rs

@@ -0,0 +1,65 @@
+use cctk::sctk;
+use sctk::globals::GlobalData;
+use sctk::reexports::client::globals::{BindError, GlobalList};
+use sctk::reexports::client::protocol::wl_surface::WlSurface;
+use sctk::reexports::client::{Connection, Dispatch, Proxy, QueueHandle, delegate_dispatch};
+use wayland_protocols::ext::background_effect::v1::client::ext_background_effect_manager_v1::ExtBackgroundEffectManagerV1;
+use wayland_protocols::ext::background_effect::v1::client::ext_background_effect_surface_v1::ExtBackgroundEffectSurfaceV1;
+
+use crate::event_loop::state::SctkState;
+
+#[derive(Debug, Clone)]
+pub struct ExtBackgroundEffectManager {
+    manager: ExtBackgroundEffectManagerV1,
+}
+
+impl ExtBackgroundEffectManager {
+    pub fn new(
+        globals: &GlobalList,
+        queue_handle: &QueueHandle<SctkState>,
+    ) -> Result<Self, BindError> {
+        let manager = globals.bind(queue_handle, 1..=1, GlobalData)?;
+        Ok(Self { manager })
+    }
+
+    pub fn blur(
+        &mut self,
+        surface: &WlSurface,
+        queue_handle: &QueueHandle<SctkState>,
+    ) -> ExtBackgroundEffectSurfaceV1 {
+        self.manager
+            .get_background_effect(surface, queue_handle, ())
+    }
+}
+
+impl Dispatch<ExtBackgroundEffectManagerV1, GlobalData, SctkState>
+    for ExtBackgroundEffectManager
+{
+    fn event(
+        _: &mut SctkState,
+        _: &ExtBackgroundEffectManagerV1,
+        _: <ExtBackgroundEffectManagerV1 as Proxy>::Event,
+        _: &GlobalData,
+        _: &Connection,
+        _: &QueueHandle<SctkState>,
+    ) {
+    }
+}
+
+impl Dispatch<ExtBackgroundEffectSurfaceV1, (), SctkState>
+    for ExtBackgroundEffectManager
+{
+    fn event(
+        _: &mut SctkState,
+        _: &ExtBackgroundEffectSurfaceV1,
+        _: <ExtBackgroundEffectSurfaceV1 as Proxy>::Event,
+        _: &(),
+        _: &Connection,
+        _: &QueueHandle<SctkState>,
+    ) {
+        // There is no event
+    }
+}
+
+delegate_dispatch!(SctkState: [ExtBackgroundEffectManagerV1: GlobalData] => ExtBackgroundEffectManager);
+delegate_dispatch!(SctkState: [ExtBackgroundEffectSurfaceV1: ()] => ExtBackgroundEffectManager);

winit/src/platform_specific/wayland/handlers/mod.rs

@@ -1,6 +1,7 @@
 // handlers
 pub mod activation;
 pub mod compositor;
+pub mod ext_background_effect;
 pub mod output;
 pub mod overlap;
 pub mod seat;
@@ -12,14 +13,14 @@ pub mod toplevel;
 pub mod wp_fractional_scaling;
 pub mod wp_viewporter;
 
-use cctk::{sctk::{
+use cctk::sctk::{
     delegate_registry, delegate_shm,
     output::OutputState,
     registry::{ProvidesRegistryState, RegistryState},
     registry_handlers,
     seat::SeatState,
     shm::{Shm, ShmHandler},
-}};
+};
 
 use crate::platform_specific::wayland::event_loop::state::SctkState;