Rust 1.78 (#11314)

Notable things I've had to fix due to 1.78:
- Better detection of unused items
- New clippy lint (`assigning_clones`) that points out places where assignment operations with clone rhs could be replaced with more performant `clone_into`
Release Notes:

- N/A

crates/gpui/src/platform/linux/platform.rs

@@ -199,10 +199,6 @@ impl<P: LinuxClient + 'static> Platform for P {
         self.displays()
     }
 
-    fn display(&self, id: DisplayId) -> Option<Rc<dyn PlatformDisplay>> {
-        self.display(id)
-    }
-
     // todo(linux)
     fn active_window(&self) -> Option<AnyWindowHandle> {
         None
@@ -306,18 +302,6 @@ impl<P: LinuxClient + 'static> Platform for P {
         open::that(dir);
     }
 
-    fn on_become_active(&self, callback: Box<dyn FnMut()>) {
-        self.with_common(|common| {
-            common.callbacks.become_active = Some(callback);
-        });
-    }
-
-    fn on_resign_active(&self, callback: Box<dyn FnMut()>) {
-        self.with_common(|common| {
-            common.callbacks.resign_active = Some(callback);
-        });
-    }
-
     fn on_quit(&self, callback: Box<dyn FnMut()>) {
         self.with_common(|common| {
             common.callbacks.quit = Some(callback);
@@ -330,12 +314,6 @@ impl<P: LinuxClient + 'static> Platform for P {
         });
     }
 
-    fn on_event(&self, callback: Box<dyn FnMut(PlatformInput) -> bool>) {
-        self.with_common(|common| {
-            common.callbacks.event = Some(callback);
-        });
-    }
-
     fn on_app_menu_action(&self, callback: Box<dyn FnMut(&dyn Action)>) {
         self.with_common(|common| {
             common.callbacks.app_menu_action = Some(callback);

crates/gpui/src/platform/linux/wayland/window.rs

@@ -580,10 +580,6 @@ impl PlatformWindow for WaylandWindow {
         crate::Modifiers::default()
     }
 
-    fn as_any_mut(&mut self) -> &mut dyn Any {
-        self
-    }
-
     fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
         self.borrow_mut().input_handler = Some(input_handler);
     }
@@ -668,10 +664,6 @@ impl PlatformWindow for WaylandWindow {
         self.0.callbacks.borrow_mut().resize = Some(callback);
     }
 
-    fn on_fullscreen(&self, callback: Box<dyn FnMut(bool)>) {
-        self.0.callbacks.borrow_mut().fullscreen = Some(callback);
-    }
-
     fn on_moved(&self, callback: Box<dyn FnMut()>) {
         self.0.callbacks.borrow_mut().moved = Some(callback);
     }
@@ -688,11 +680,6 @@ impl PlatformWindow for WaylandWindow {
         // todo(linux)
     }
 
-    // todo(linux)
-    fn is_topmost_for_position(&self, position: Point<Pixels>) -> bool {
-        false
-    }
-
     fn draw(&self, scene: &Scene) {
         let mut state = self.borrow_mut();
         state.renderer.draw(scene);

crates/gpui/src/platform/linux/x11/window.rs

@@ -460,10 +460,6 @@ impl PlatformWindow for X11Window {
         Modifiers::default()
     }
 
-    fn as_any_mut(&mut self) -> &mut dyn std::any::Any {
-        self
-    }
-
     fn set_input_handler(&mut self, input_handler: PlatformInputHandler) {
         self.0.state.borrow_mut().input_handler = Some(input_handler);
     }
@@ -587,10 +583,6 @@ impl PlatformWindow for X11Window {
         self.0.callbacks.borrow_mut().resize = Some(callback);
     }
 
-    fn on_fullscreen(&self, callback: Box<dyn FnMut(bool)>) {
-        self.0.callbacks.borrow_mut().fullscreen = Some(callback);
-    }
-
     fn on_moved(&self, callback: Box<dyn FnMut()>) {
         self.0.callbacks.borrow_mut().moved = Some(callback);
     }
@@ -607,11 +599,6 @@ impl PlatformWindow for X11Window {
         self.0.callbacks.borrow_mut().appearance_changed = Some(callback);
     }
 
-    // todo(linux)
-    fn is_topmost_for_position(&self, _position: Point<Pixels>) -> bool {
-        unimplemented!()
-    }
-
     fn draw(&self, scene: &Scene) {
         let mut inner = self.0.state.borrow_mut();
         inner.renderer.draw(scene);