feat: new clipboard manager module

src/clients/wayland/wlr_data_control/source.rs

@@ -0,0 +1,54 @@
+use smithay_client_toolkit::data_device::WritePipe;
+use std::os::fd::FromRawFd;
+use wayland_client::{Attached, DispatchData};
+use wayland_protocols::wlr::unstable::data_control::v1::client::{
+    zwlr_data_control_manager_v1::ZwlrDataControlManagerV1,
+    zwlr_data_control_source_v1::{Event, ZwlrDataControlSourceV1},
+};
+
+fn data_control_source_impl<F>(
+    source: &ZwlrDataControlSourceV1,
+    event: Event,
+    implem: &mut F,
+    ddata: DispatchData,
+) where
+    F: FnMut(String, WritePipe, DispatchData),
+{
+    match event {
+        Event::Send { mime_type, fd } => {
+            let pipe = unsafe { FromRawFd::from_raw_fd(fd) };
+            implem(mime_type, pipe, ddata);
+        }
+        Event::Cancelled => source.destroy(),
+        _ => unreachable!(),
+    }
+}
+
+pub struct DataControlSource {
+    pub(crate) source: ZwlrDataControlSourceV1,
+}
+
+impl DataControlSource {
+    pub fn new<F>(
+        manager: &Attached<ZwlrDataControlManagerV1>,
+        mime_types: Vec<String>,
+        mut callback: F,
+    ) -> Self
+    where
+        F: FnMut(String, WritePipe, DispatchData) + 'static,
+    {
+        let source = manager.create_data_source();
+
+        source.quick_assign(move |source, evt, ddata| {
+            data_control_source_impl(&source, evt, &mut callback, ddata);
+        });
+
+        for mime_type in mime_types {
+            source.offer(mime_type);
+        }
+
+        Self {
+            source: source.detach(),
+        }
+    }
+}