Enable wlr_data_control protocol (#101)

src/config/mod.rs

@@ -51,6 +51,7 @@ pub struct Config {
 pub struct StaticConfig {
     pub key_bindings: HashMap<key_bindings::KeyPattern, key_bindings::Action>,
     pub tiling_enabled: bool,
+    pub data_control_enabled: bool,
 }
 
 #[derive(Debug)]
@@ -191,6 +192,7 @@ impl Config {
         StaticConfig {
             key_bindings: HashMap::new(),
             tiling_enabled: false,
+            data_control_enabled: false,
         }
     }
 

src/state.rs

@@ -71,7 +71,10 @@ use smithay::{
         presentation::PresentationState,
         seat::WaylandFocus,
         security_context::{SecurityContext, SecurityContextState},
-        selection::{data_device::DataDeviceState, primary_selection::PrimarySelectionState},
+        selection::{
+            data_device::DataDeviceState, primary_selection::PrimarySelectionState,
+            wlr_data_control::DataControlState,
+        },
         session_lock::{LockSurface, SessionLockManagerState},
         shell::{kde::decoration::KdeDecorationState, xdg::decoration::XdgDecorationState},
         shm::ShmState,
@@ -160,6 +163,7 @@ pub struct Common {
     pub output_configuration_state: OutputConfigurationState<State>,
     pub presentation_state: PresentationState,
     pub primary_selection_state: PrimarySelectionState,
+    pub data_control_state: Option<DataControlState>,
     pub screencopy_state: ScreencopyState,
     pub seat_state: SeatState<State>,
     pub session_lock_manager_state: SessionLockManagerState,
@@ -358,6 +362,10 @@ impl State {
         TextInputManagerState::new::<Self>(&dh);
         VirtualKeyboardManagerState::new::<State, _>(&dh, client_should_see_privileged_protocols);
 
+        let data_control_state = config.static_conf.data_control_enabled.then(|| {
+            DataControlState::new::<Self, _>(dh, Some(&primary_selection_state), |_| true)
+        });
+
         let shell = Shell::new(&config, dh);
 
         State {
@@ -400,6 +408,7 @@ impl State {
                 output_configuration_state,
                 presentation_state,
                 primary_selection_state,
+                data_control_state,
                 viewporter_state,
                 wl_drm_state,
                 kde_decoration_state,

src/wayland/handlers/data_control.rs

@@ -0,0 +1,15 @@
+// SPDX-License-Identifier: GPL-3.0-only
+
+use crate::state::State;
+use smithay::{
+    delegate_data_control,
+    wayland::selection::wlr_data_control::{DataControlHandler, DataControlState},
+};
+
+impl DataControlHandler for State {
+    fn data_control_state(&self) -> &DataControlState {
+        self.common.data_control_state.as_ref().unwrap()
+    }
+}
+
+delegate_data_control!(State);

src/wayland/handlers/mod.rs

@@ -2,6 +2,7 @@
 
 pub mod buffer;
 pub mod compositor;
+pub mod data_control;
 pub mod data_device;
 pub mod decoration;
 pub mod dmabuf;