wayland: implement wlr-data-control

src/ifs/wl_seat/event_handling.rs

@@ -7,6 +7,7 @@ use {
             ipc::{
                 wl_data_device::{ClipboardIpc, WlDataDevice},
                 x_data_device::{XClipboardIpc, XPrimarySelectionIpc},
+                zwlr_data_control_device_v1::ZwlrDataControlDeviceV1,
                 zwp_primary_selection_device_v1::{
                     PrimarySelectionIpc, ZwpPrimarySelectionDeviceV1,
                 },
@@ -508,6 +509,17 @@ impl WlSeatGlobal {
         }
     }
 
+    pub fn for_each_wlr_data_device<C>(&self, ver: u32, mut f: C)
+    where
+        C: FnMut(&Rc<ZwlrDataControlDeviceV1>),
+    {
+        for dd in self.wlr_data_devices.lock().values() {
+            if dd.version >= ver {
+                f(dd);
+            }
+        }
+    }
+
     fn surface_pointer_frame(&self, surface: &WlSurface) {
         self.surface_pointer_event(POINTER_FRAME_SINCE_VERSION, surface, |p| p.send_frame());
     }