2 files changed, 14 insertions, 8 deletions
diff --git a/native/src/program.rs b/native/src/program.rs
index 9ee72703..75fab094 100644
--- a/native/src/program.rs
+++ b/native/src/program.rs
@@ -1,5 +1,5 @@
 //! Build interactive programs using The Elm Architecture.
-use crate::{Command, Element, Renderer};
+use crate::{Clipboard, Command, Element, Renderer};
 
 mod state;
 
@@ -11,7 +11,10 @@ pub trait Program: Sized {
     type Renderer: Renderer;
 
     /// The type of __messages__ your [`Program`] will produce.
-    type Message: std::fmt::Debug + Send;
+    type Message: std::fmt::Debug + Clone + Send;
+
+    /// The type of [`Clipboard`] your [`Program`] will use.
+    type Clipboard: Clipboard;
 
     /// Handles a __message__ and updates the state of the [`Program`].
     ///
@@ -21,7 +24,11 @@ pub trait Program: Sized {
     ///
     /// Any [`Command`] returned will be executed immediately in the
     /// background by shells.
-    fn update(&mut self, message: Self::Message) -> Command<Self::Message>;
+    fn update(
+        &mut self,
+        message: Self::Message,
+        clipboard: &mut Self::Clipboard,
+    ) -> Command<Self::Message>;
 
     /// Returns the widgets to display in the [`Program`].
     ///
diff --git a/native/src/program/state.rs b/native/src/program/state.rs
index e630890a..fd1f2b52 100644
--- a/native/src/program/state.rs
+++ b/native/src/program/state.rs
@@ -1,6 +1,5 @@
 use crate::{
-    Cache, Clipboard, Command, Debug, Event, Point, Program, Renderer, Size,
-    UserInterface,
+    Cache, Command, Debug, Event, Point, Program, Renderer, Size, UserInterface,
 };
 
 /// The execution state of a [`Program`]. It leverages caching, event
@@ -91,8 +90,8 @@ where
         &mut self,
         bounds: Size,
         cursor_position: Point,
-        clipboard: Option<&dyn Clipboard>,
         renderer: &mut P::Renderer,
+        clipboard: &mut P::Clipboard,
         debug: &mut Debug,
     ) -> Option<Command<P::Message>> {
         let mut user_interface = build_user_interface(
@@ -109,8 +108,8 @@ where
         let _ = user_interface.update(
             &self.queued_events,
             cursor_position,
-            clipboard,
             renderer,
+            clipboard,
             &mut messages,
         );
 
@@ -136,7 +135,7 @@ where
                     debug.log_message(&message);
 
                     debug.update_started();
-                    let command = self.program.update(message);
+                    let command = self.program.update(message, clipboard);
                     debug.update_finished();
 
                     command