New clippy fixes

anvil/src/input_handler.rs

@@ -48,11 +48,7 @@ impl AnvilState {
                 action = process_keyboard_shortcut(*modifiers, keysym);
                 // forward to client only if action == KeyAction::Forward
                 // both for pressed and released, to avoid inconsistencies
-                if let KeyAction::Forward = action {
-                    true
-                } else {
-                    false
-                }
+                matches!(action, KeyAction::Forward)
             });
         if let KeyState::Released = state {
             // only process special actions on key press, not release

anvil/src/udev.rs

@@ -675,24 +675,20 @@ impl DrmRenderer {
 
             if let Err(err) = frame.finish() {
                 warn!(self.logger, "Error during rendering: {:?}", err);
-                let reschedule = match err {
-                    SwapBuffersError::AlreadySwapped => false,
-                    SwapBuffersError::TemporaryFailure(err) => {
-                        match err.downcast_ref::<smithay::backend::drm::common::Error>() {
-                            Some(&smithay::backend::drm::common::Error::DeviceInactive) => false,
-                            Some(&smithay::backend::drm::common::Error::Access { ref source, .. })
-                                if match source.get_ref() {
-                                    drm::SystemError::PermissionDenied => true,
-                                    _ => false,
-                                } =>
-                            {
-                                false
+                let reschedule =
+                    match err {
+                        SwapBuffersError::AlreadySwapped => false,
+                        SwapBuffersError::TemporaryFailure(err) => {
+                            match err.downcast_ref::<smithay::backend::drm::common::Error>() {
+                                Some(&smithay::backend::drm::common::Error::DeviceInactive) => false,
+                                Some(&smithay::backend::drm::common::Error::Access {
+                                    ref source, ..
+                                }) if matches!(source.get_ref(), drm::SystemError::PermissionDenied) => false,
+                                _ => true,
                             }
-                            _ => true,
                         }
-                    }
-                    SwapBuffersError::ContextLost(err) => panic!("Rendering loop lost: {}", err),
-                };
+                        SwapBuffersError::ContextLost(err) => panic!("Rendering loop lost: {}", err),
+                    };
 
                 if reschedule {
                     debug!(self.logger, "Rescheduling");

src/backend/drm/common/fallback.rs

@@ -2,6 +2,9 @@
 //! Types to make fallback device initialization easier
 //!
 
+// The macros in this module rely on these constructs
+#![allow(clippy::needless_arbitrary_self_type)]
+
 #[cfg(feature = "backend_drm_egl")]
 use crate::backend::drm::egl::{Arguments as EglDeviceArguments, EglDevice, Error as EglDeviceError};
 #[cfg(all(feature = "backend_drm_atomic", feature = "backend_drm_legacy"))]

src/backend/egl/surface.rs

@@ -103,11 +103,10 @@ impl<N: native::NativeSurface> EGLSurface<N> {
         };
 
         // workaround for missing `PartialEq` impl
-        let is_bad_surface = if let Err(SwapBuffersError::EGLSwapBuffers(EGLError::BadSurface)) = result {
-            true
-        } else {
-            false
-        };
+        let is_bad_surface = matches!(
+            result,
+            Err(SwapBuffersError::EGLSwapBuffers(EGLError::BadSurface))
+        );
 
         if self.native.needs_recreation() || surface.is_null() || is_bad_surface {
             let previous = self.surface.compare_and_swap(

src/wayland/seat/pointer.rs

@@ -160,10 +160,7 @@ impl PointerHandle {
     /// Check if this pointer is currently being grabbed
     pub fn is_grabbed(&self) -> bool {
         let guard = self.inner.borrow_mut();
-        match guard.grab {
-            GrabStatus::None => false,
-            _ => true,
-        }
+        !matches!(guard.grab, GrabStatus::None)
     }
 
     /// Returns the start data for the grab, if any.