chore: Update msrv to 1.74 and test it in CI (#1050)

.changes/msrv.md

@@ -0,0 +1,5 @@
+---
+tao: patch
+---
+
+Raised MSRV to 1.74

.github/workflows/ci.yml

@@ -47,8 +47,6 @@ jobs:
           key: ${{ matrix.platform.target }}-cargo-stable
 
       - uses: dtolnay/rust-toolchain@stable
-        with:
-          targets: ${{ matrix.platform.target }}
 
       - name: Install Gtk (ubuntu only)
         if: matrix.platform.os == 'ubuntu-latest'
@@ -64,6 +62,10 @@ jobs:
         if: contains(matrix.platform.target, 'android')
         run: cargo install cargo-apk
 
+      - uses: dtolnay/rust-toolchain@1.74
+        with:
+          targets: ${{ matrix.platform.target }}
+
       - name: Check documentation
         shell: bash
         run: cargo $CMD doc --no-deps --target ${{ matrix.platform.target }} $OPTIONS --features $FEATURES

.gitignore

@@ -2,7 +2,6 @@
 # Copyright 2021-2023 Tauri Programme within The Commons Conservancy
 # SPDX-License-Identifier: Apache-2.0
 
-Cargo.lock
 target/
 rls/
 .vscode/

Cargo.toml

@@ -7,7 +7,7 @@ authors = [
   "The winit contributors"
 ]
 edition = "2021"
-rust-version = "1.70"
+rust-version = "1.74"
 keywords = [ "windowing" ]
 license = "Apache-2.0"
 readme = "README.md"

examples/drag_window.rs

@@ -51,11 +51,11 @@ fn main() {
         event:
           KeyEvent {
             state: ElementState::Released,
-            logical_key,
+            logical_key: Key::Character("x"),
             ..
           },
         ..
-      } if logical_key == Key::Character("x") => {
+      } => {
         switched = !switched;
         name_windows(entered_id, switched, &window_1, &window_2);
         println!("Switched!")

examples/min_max_size.rs

@@ -52,23 +52,31 @@ fn main() {
         ..
       } => match key_str {
         "e" => {
-          size_constraints.min_width =
-            (!size_constraints.min_width.is_some()).then_some(LogicalUnit::new(min_width).into());
+          size_constraints.min_width = size_constraints
+            .min_width
+            .is_none()
+            .then_some(LogicalUnit::new(min_width).into());
           window.set_inner_size_constraints(size_constraints);
         }
         "f" => {
-          size_constraints.max_width =
-            (!size_constraints.max_width.is_some()).then_some(LogicalUnit::new(max_width).into());
+          size_constraints.max_width = size_constraints
+            .max_width
+            .is_none()
+            .then_some(LogicalUnit::new(max_width).into());
           window.set_inner_size_constraints(size_constraints);
         }
         "p" => {
-          size_constraints.min_height =
-            (!size_constraints.min_height.is_some()).then_some(LogicalUnit::new(min_height).into());
+          size_constraints.min_height = size_constraints
+            .min_height
+            .is_none()
+            .then_some(LogicalUnit::new(min_height).into());
           window.set_inner_size_constraints(size_constraints);
         }
         "v" => {
-          size_constraints.max_height =
-            (!size_constraints.max_height.is_some()).then_some(LogicalUnit::new(max_height).into());
+          size_constraints.max_height = size_constraints
+            .max_height
+            .is_none()
+            .then_some(LogicalUnit::new(max_height).into());
           window.set_inner_size_constraints(size_constraints);
         }
         _ => {}

examples/multithreaded.rs

@@ -40,7 +40,7 @@ fn main() {
             // We need to update our chosen video mode if the window
             // was moved to an another monitor, so that the window
             // appears on this monitor instead when we go fullscreen
-            let previous_video_mode = video_modes.iter().cloned().nth(video_mode_id);
+            let previous_video_mode = video_modes.iter().nth(video_mode_id).cloned();
             video_modes = window.current_monitor().unwrap().video_modes().collect();
             video_mode_id = video_mode_id.min(video_modes.len());
             let video_mode = video_modes.iter().nth(video_mode_id);

examples/overlay.rs

@@ -2,7 +2,6 @@
 // Copyright 2021-2023 Tauri Programme within The Commons Conservancy
 // SPDX-License-Identifier: Apache-2.0
 
-use std::env::current_dir;
 use tao::{
   event::{ElementState, Event, KeyEvent, WindowEvent},
   event_loop::{ControlFlow, EventLoop},
@@ -80,7 +79,7 @@ fn main() {
           if modifiers.is_empty() {
             #[cfg(windows)]
             {
-              let mut path = current_dir().unwrap();
+              let mut path = std::env::current_dir().unwrap();
               path.push("./examples/icon.ico");
               let icon = Icon::from_path(path, Some(PhysicalSize::new(32, 32))).unwrap();
 

examples/parentwindow.rs

@@ -32,7 +32,7 @@ fn main() {
   let child_window_builder = WindowBuilder::new().with_inner_size(LogicalSize::new(200, 200));
 
   #[cfg(any(target_os = "windows", target_os = "macos"))]
-  let child_window_builder = child_window_builder.with_parent_window(parent_window.clone());
+  let child_window_builder = child_window_builder.with_parent_window(parent_window);
 
   #[cfg(target_os = "linux")]
   let child_window_builder = child_window_builder.with_transient_for(parent_window);
@@ -48,8 +48,10 @@ fn main() {
     match event {
       Event::NewEvents(StartCause::Init) => println!("TAO application started!"),
       Event::WindowEvent {
-        event, window_id, ..
-      } if event == WindowEvent::CloseRequested => {
+        event: WindowEvent::CloseRequested,
+        window_id,
+        ..
+      } => {
         println!("Window {window_id:?} has received the signal to close");
         // This drop the window, causing it to close.
         windows.remove(&window_id);

examples/reopen_event.rs

@@ -31,7 +31,7 @@ fn main() {
       } => {
         println!("on reopen, has visible windows: {has_visible_windows}");
         if !has_visible_windows {
-          window = Some(Window::new(&event_loop).unwrap())
+          window = Some(Window::new(event_loop).unwrap())
         }
       }
       Event::MainEventsCleared => {

examples/theme.rs

@@ -28,8 +28,8 @@ fn main() {
   event_loop.run(move |event, _, control_flow| {
     *control_flow = ControlFlow::Wait;
 
-    match event {
-      Event::WindowEvent { event, .. } => match event {
+    if let Event::WindowEvent { event, .. } = event {
+      match event {
         WindowEvent::CloseRequested => *control_flow = ControlFlow::Exit,
         WindowEvent::KeyboardInput {
           event: KeyEvent { physical_key, .. },
@@ -44,8 +44,7 @@ fn main() {
           println!("Theme is changed: {theme:?}")
         }
         _ => (),
-      },
-      _ => (),
+      }
     }
   });
 }

src/event.rs

@@ -112,9 +112,9 @@ pub enum Event<'a, T: 'static> {
   /// ## Platform-specific
   ///
   /// - **Linux: This is triggered by `draw` signal of the gtk window. It can be used to detect if
-  /// the window is requested to redraw. But widgets it contains are usually not tied to its signal.
-  /// So if you really want to draw each component, please consider using `connect_draw` method
-  /// from [`WidgetExt`] directly.**
+  ///   the window is requested to redraw. But widgets it contains are usually not tied to its signal.
+  ///   So if you really want to draw each component, please consider using `connect_draw` method
+  ///   from [`WidgetExt`] directly.**
   ///
   /// [`WidgetExt`]: https://gtk-rs.org/gtk3-rs/stable/latest/docs/gtk/prelude/trait.WidgetExt.html
   RedrawRequested(WindowId),
@@ -426,7 +426,7 @@ pub enum WindowEvent<'a> {
 impl Clone for WindowEvent<'static> {
   fn clone(&self) -> Self {
     use self::WindowEvent::*;
-    return match self {
+    match self {
       Resized(size) => Resized(*size),
       Moved(pos) => Moved(*pos),
       CloseRequested => CloseRequested,
@@ -511,7 +511,7 @@ impl Clone for WindowEvent<'static> {
         unreachable!("Static event can't be about scale factor changing")
       }
       DecorationsClick => DecorationsClick,
-    };
+    }
   }
 }
 
@@ -708,11 +708,11 @@ pub struct KeyEvent {
   /// This has two use cases:
   /// - Allows querying whether the current input is a Dead key.
   /// - Allows handling key-bindings on platforms which don't
-  /// support `key_without_modifiers`.
+  ///   support `key_without_modifiers`.
   ///
   /// ## Platform-specific
   /// - **Web:** Dead keys might be reported as the real key instead
-  /// of `Dead` depending on the browser/OS.
+  ///   of `Dead` depending on the browser/OS.
   pub logical_key: keyboard::Key<'static>,
 
   /// Contains the text produced by this keypress.
@@ -852,7 +852,7 @@ pub enum Force {
     altitude_angle: Option<f64>,
   },
   /// If the platform reports the force as normalized, we have no way of
-  /// knowing how much pressure 1.0 corresponds to – we know it's the maximum
+  /// knowing how much pressure 1.0 corresponds to - we know it's the maximum
   /// amount of force, but as to how much force, you might either have to
   /// press really really hard, or not hard at all, depending on the device.
   Normalized(f64),

src/platform/macos.rs

@@ -168,9 +168,10 @@ impl WindowExtMacOS for Window {
 
 /// Corresponds to `NSApplicationActivationPolicy`.
 #[non_exhaustive]
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Default)]
 pub enum ActivationPolicy {
   /// Corresponds to `NSApplicationActivationPolicyRegular`.
+  #[default]
   Regular,
   /// Corresponds to `NSApplicationActivationPolicyAccessory`.
   Accessory,
@@ -178,12 +179,6 @@ pub enum ActivationPolicy {
   Prohibited,
 }
 
-impl Default for ActivationPolicy {
-  fn default() -> Self {
-    ActivationPolicy::Regular
-  }
-}
-
 /// Additional methods on `WindowBuilder` that are specific to MacOS.
 ///
 /// **Note:** Properties dealing with the titlebar will be overwritten by the `with_decorations` method

src/platform/windows.rs

@@ -125,7 +125,6 @@ impl<T> EventLoopBuilderExtWindows for EventLoopBuilder<T> {
   }
 
   #[inline]
-
   fn with_theme(&mut self, theme: Option<Theme>) -> &mut Self {
     self.platform_specific.preferred_theme = theme;
     self

src/platform_impl/linux/mod.rs

@@ -2,14 +2,6 @@
 // Copyright 2021-2023 Tauri Programme within The Commons Conservancy
 // SPDX-License-Identifier: Apache-2.0
 
-#![cfg(any(
-  target_os = "linux",
-  target_os = "dragonfly",
-  target_os = "freebsd",
-  target_os = "netbsd",
-  target_os = "openbsd"
-))]
-
 mod device;
 mod event_loop;
 mod icon;

src/platform_impl/macos/app_delegate.rs

@@ -110,13 +110,12 @@ extern "C" fn application_will_terminate(_: &Object, _: Sel, _: id) {
   trace!("Completed `applicationWillTerminate`");
 }
 
-extern "C" fn application_open_urls(_: &Object, _: Sel, _: id, urls: &NSArray<NSURL>) -> () {
+extern "C" fn application_open_urls(_: &Object, _: Sel, _: id, urls: &NSArray<NSURL>) {
   trace!("Trigger `application:openURLs:`");
 
   let urls = unsafe {
     (0..urls.count())
-      .map(|i| url::Url::parse(&urls.objectAtIndex(i).absoluteString().unwrap().to_string()))
-      .flatten()
+      .flat_map(|i| url::Url::parse(&urls.objectAtIndex(i).absoluteString().unwrap().to_string()))
       .collect::<Vec<_>>()
   };
   trace!("Get `application:openURLs:` URLs: {:?}", urls);

src/platform_impl/macos/app_state.rs

@@ -203,7 +203,7 @@ impl Handler {
     if let Some(ref mut callback) = *self.callback.lock().unwrap() {
       match wrapper {
         EventWrapper::StaticEvent(event) => {
-          callback.handle_nonuser_event(event, &mut *self.control_flow.lock().unwrap())
+          callback.handle_nonuser_event(event, &mut self.control_flow.lock().unwrap())
         }
         EventWrapper::EventProxy(proxy) => self.handle_proxy(proxy, callback),
       }
@@ -212,7 +212,7 @@ impl Handler {
 
   fn handle_user_events(&self) {
     if let Some(ref mut callback) = *self.callback.lock().unwrap() {
-      callback.handle_user_events(&mut *self.control_flow.lock().unwrap());
+      callback.handle_user_events(&mut self.control_flow.lock().unwrap());
     }
   }
 
@@ -224,7 +224,7 @@ impl Handler {
     scale_factor: f64,
   ) {
     let mut size = suggested_size.to_physical(scale_factor);
-    let old_size = size.clone();
+    let old_size = size;
     let event = Event::WindowEvent {
       window_id: WindowId(get_window_id(ns_window)),
       event: WindowEvent::ScaleFactorChanged {
@@ -233,7 +233,7 @@ impl Handler {
       },
     };
 
-    callback.handle_nonuser_event(event, &mut *self.control_flow.lock().unwrap());
+    callback.handle_nonuser_event(event, &mut self.control_flow.lock().unwrap());
 
     if old_size != size {
       let logical_size = size.to_logical(scale_factor);
@@ -437,7 +437,7 @@ unsafe fn window_activation_hack(ns_app: &NSApplication) {
     // And call `makeKeyAndOrderFront` if it was called on the window in `UnownedWindow::new`
     // This way we preserve the user's desired initial visiblity status
     // TODO: Also filter on the type/"level" of the window, and maybe other things?
-    if ns_window.isVisible() == true {
+    if ns_window.isVisible() {
       trace!("Activating visible window");
       ns_window.makeKeyAndOrderFront(None);
     } else {

src/platform_impl/macos/badge.rs

@@ -6,10 +6,7 @@ pub fn set_badge_label(label: Option<String>) {
   // SAFETY: TODO
   let mtm = unsafe { MainThreadMarker::new_unchecked() };
   unsafe {
-    let label = match label {
-      None => None,
-      Some(label) => Some(NSString::from_str(&label)),
-    };
+    let label = label.map(|label| NSString::from_str(&label));
     let dock_tile: id = msg_send![&NSApp(mtm), dockTile];
     let _: () = msg_send![dock_tile, setBadgeLabel: label.as_deref()];
   }

src/platform_impl/macos/event_loop.rs

@@ -18,7 +18,6 @@ use crossbeam_channel::{self as channel, Receiver, Sender};
 use objc2::{msg_send_id, rc::Retained};
 use objc2_app_kit::{NSApp, NSApplication, NSEventModifierFlags, NSEventSubtype, NSEventType};
 use objc2_foundation::{MainThreadMarker, NSAutoreleasePool, NSInteger, NSPoint, NSTimeInterval};
-use scopeguard::defer;
 
 use crate::{
   dpi::PhysicalPosition,
@@ -333,7 +332,7 @@ impl<T> Proxy<T> {
       let rl = CFRunLoopGetMain();
       let mut context: CFRunLoopSourceContext = mem::zeroed();
       context.perform = Some(event_loop_proxy_handler);
-      let source = CFRunLoopSourceCreate(ptr::null_mut(), CFIndex::max_value() - 1, &mut context);
+      let source = CFRunLoopSourceCreate(ptr::null_mut(), CFIndex::MAX - 1, &mut context);
       CFRunLoopAddSource(rl, source, kCFRunLoopCommonModes);
       CFRunLoopWakeUp(rl);
 

src/platform_impl/macos/ffi.rs

@@ -39,7 +39,7 @@ pub const YES: Bool = Bool::YES;
 #[allow(deprecated)]
 pub const NO: Bool = Bool::NO;
 
-pub const NSNotFound: NSInteger = NSInteger::max_value();
+pub const NSNotFound: NSInteger = NSInteger::MAX;
 
 pub const kCGBaseWindowLevelKey: NSInteger = 0;
 pub const kCGMinimumWindowLevelKey: NSInteger = 1;

src/platform_impl/macos/mod.rs

@@ -2,8 +2,6 @@
 // Copyright 2021-2023 Tauri Programme within The Commons Conservancy
 // SPDX-License-Identifier: Apache-2.0
 
-#![cfg(target_os = "macos")]
-
 mod app;
 mod app_delegate;
 mod app_state;
@@ -73,7 +71,7 @@ impl Deref for Window {
   type Target = UnownedWindow;
   #[inline]
   fn deref(&self) -> &Self::Target {
-    &*self.window
+    &self.window
   }
 }
 

src/platform_impl/macos/monitor.rs

@@ -169,7 +169,7 @@ pub fn from_point(x: f64, y: f64) -> Option<MonitorHandle> {
       }
     }
   }
-  return None;
+  None
 }
 
 impl fmt::Debug for MonitorHandle {

src/platform_impl/macos/observer.rs

@@ -232,13 +232,13 @@ pub fn setup_control_flow_observers(panic_info: Weak<PanicInfo>) {
     let run_loop = RunLoop::get();
     run_loop.add_observer(
       kCFRunLoopEntry | kCFRunLoopAfterWaiting,
-      CFIndex::min_value(),
+      CFIndex::MIN,
       control_flow_begin_handler,
       &mut context as *mut _,
     );
     run_loop.add_observer(
       kCFRunLoopExit | kCFRunLoopBeforeWaiting,
-      CFIndex::max_value(),
+      CFIndex::MAX,
       control_flow_end_handler,
       &mut context as *mut _,
     );
@@ -267,7 +267,7 @@ impl Default for EventLoopWaker {
       // future, but that gets changed to fire immediately in did_finish_launching
       let timer = CFRunLoopTimerCreate(
         ptr::null_mut(),
-        std::f64::MAX,
+        f64::MAX,
         0.000_000_1,
         0,
         0,
@@ -282,11 +282,11 @@ impl Default for EventLoopWaker {
 
 impl EventLoopWaker {
   pub fn stop(&mut self) {
-    unsafe { CFRunLoopTimerSetNextFireDate(self.timer, std::f64::MAX) }
+    unsafe { CFRunLoopTimerSetNextFireDate(self.timer, f64::MAX) }
   }
 
   pub fn start(&mut self) {
-    unsafe { CFRunLoopTimerSetNextFireDate(self.timer, std::f64::MIN) }
+    unsafe { CFRunLoopTimerSetNextFireDate(self.timer, f64::MIN) }
   }
 
   pub fn start_at(&mut self, instant: Instant) {

src/platform_impl/macos/progress_bar.rs

@@ -77,10 +77,7 @@ fn get_exist_progress_indicator(dock_tile: id) -> Option<id> {
       return None;
     }
     let subviews: Option<Retained<NSArray>> = msg_send_id![content_view, subviews];
-    if subviews.is_none() {
-      return None;
-    }
-    let subviews = subviews.unwrap();
+    let subviews = subviews?;
 
     for idx in 0..subviews.count() {
       let subview: id = msg_send![&subviews, objectAtIndex: idx];

src/platform_impl/macos/util/async.rs

@@ -67,7 +67,7 @@ pub unsafe fn set_style_mask_async(
   let ns_window = MainThreadSafe(ns_window.retain());
   let ns_view = MainThreadSafe(ns_view.retain());
   Queue::main().exec_async(move || {
-    set_style_mask(&*ns_window, &*ns_view, mask);
+    set_style_mask(&ns_window, &ns_view, mask);
   });
 }
 pub unsafe fn set_style_mask_sync(ns_window: &NSWindow, ns_view: &NSView, mask: NSWindowStyleMask) {
@@ -77,7 +77,7 @@ pub unsafe fn set_style_mask_sync(ns_window: &NSWindow, ns_view: &NSView, mask:
     let ns_window = MainThreadSafe(ns_window.retain());
     let ns_view = MainThreadSafe(ns_view.retain());
     Queue::main().exec_sync(move || {
-      set_style_mask(&*ns_window, &*ns_view, mask);
+      set_style_mask(&ns_window, &ns_view, mask);
     })
   }
 }
@@ -131,7 +131,7 @@ pub unsafe fn toggle_full_screen_async(
         if let Some(shared_state) = shared_state.upgrade() {
           trace!("Locked shared state in `toggle_full_screen_callback`");
           let mut shared_state_lock = shared_state.lock().unwrap();
-          (*shared_state_lock).saved_style = Some(curr_mask);
+          shared_state_lock.saved_style = Some(curr_mask);
           trace!("Unlocked shared state in `toggle_full_screen_callback`");
         }
       }

src/platform_impl/macos/util/cursor.rs

@@ -15,7 +15,9 @@ use std::{cell::RefCell, ffi::c_void, ptr::null_mut};
 
 use crate::window::CursorIcon;
 
+#[derive(Default)]
 pub enum Cursor {
+  #[default]
   Default,
   Native(&'static str),
   Undocumented(&'static str),
@@ -77,12 +79,6 @@ impl From<CursorIcon> for Cursor {
   }
 }
 
-impl Default for Cursor {
-  fn default() -> Self {
-    Cursor::Default
-  }
-}
-
 impl Cursor {
   pub unsafe fn load(&self) -> id {
     match self {
@@ -153,7 +149,7 @@ pub unsafe fn invisible_cursor() -> id {
 
   thread_local! {
       // We can't initialize this at startup.
-      static CURSOR_OBJECT: RefCell<id> = RefCell::new(nil);
+      static CURSOR_OBJECT: RefCell<id> = const { RefCell::new(nil) };
   }
 
   CURSOR_OBJECT.with(|cursor_obj| {

src/platform_impl/macos/window.rs

@@ -241,7 +241,8 @@ fn create_window(
       backing: NSBackingStoreType::NSBackingStoreBuffered,
       defer: NO,
     ];
-    let res = ns_window.map(|ns_window| {
+
+    ns_window.map(|ns_window| {
       let title = NSString::from_str(&attrs.title);
       ns_window.setReleasedWhenClosed(false);
       ns_window.setTitle(&title);
@@ -323,16 +324,16 @@ fn create_window(
       }
 
       ns_window
-    });
-    res
+    })
   }
 }
 
 pub(super) fn get_ns_theme() -> Theme {
   unsafe {
-    let mut appearances: Vec<Retained<NSString>> = Vec::new();
-    appearances.push(NSString::from_str("NSAppearanceNameAqua"));
-    appearances.push(NSString::from_str("NSAppearanceNameDarkAqua"));
+    let appearances: Vec<Retained<NSString>> = vec![
+      NSString::from_str("NSAppearanceNameAqua"),
+      NSString::from_str("NSAppearanceNameDarkAqua"),
+    ];
     let app_class = class!(NSApplication);
     let app: id = msg_send![app_class, sharedApplication];
     let has_theme: bool = msg_send![app, respondsToSelector: sel!(effectiveAppearance)];
@@ -396,16 +397,13 @@ lazy_static! {
 extern "C" fn send_event(this: &Object, _sel: Sel, event: &NSEvent) {
   unsafe {
     let event_type = event.r#type();
-    match event_type {
-      NSEventType::LeftMouseDown => {
-        // When wkwebview is set on NSWindow, `WindowBuilder::with_movable_by_window_background` is not working.
-        // Because of this, we need to invoke `[NSWindow performWindowDragWithEvent]` in NSLeftMouseDown event.
-        let is_movable_window: bool = msg_send![this, isMovableByWindowBackground];
-        if is_movable_window {
-          let _: () = msg_send![this, performWindowDragWithEvent: event];
-        }
+    if event_type == NSEventType::LeftMouseDown {
+      // When wkwebview is set on NSWindow, `WindowBuilder::with_movable_by_window_background` is not working.
+      // Because of this, we need to invoke `[NSWindow performWindowDragWithEvent]` in NSLeftMouseDown event.
+      let is_movable_window: bool = msg_send![this, isMovableByWindowBackground];
+      if is_movable_window {
+        let _: () = msg_send![this, performWindowDragWithEvent: event];
       }
-      _ => (),
     }
     let superclass = util::superclass(this);
     let _: () = msg_send![super(this, superclass), sendEvent: event];
@@ -554,7 +552,7 @@ impl UnownedWindow {
       .inner_size
       .map(|size| size.to_physical(scale_factor));
 
-    let cloned_preferred_theme = win_attribs.preferred_theme.clone();
+    let cloned_preferred_theme = win_attribs.preferred_theme;
 
     let window = Arc::new(UnownedWindow {
       ns_view,
@@ -726,8 +724,8 @@ impl UnownedWindow {
 
   pub fn set_max_inner_size(&self, dimensions: Option<Size>) {
     let dimensions = dimensions.unwrap_or(Logical(LogicalSize {
-      width: std::f32::MAX as f64,
-      height: std::f32::MAX as f64,
+      width: f32::MAX as f64,
+      height: f32::MAX as f64,
     }));
     let scale_factor = self.scale_factor();
     unsafe {

src/platform_impl/windows/event_loop.rs

@@ -469,7 +469,7 @@ fn dur2timeout(dur: Duration) -> u32 {
       })
     })
     .map(|ms| {
-      if ms > u32::max_value() as u64 {
+      if ms > u32::MAX as u64 {
         INFINITE
       } else {
         ms as u32
@@ -1591,7 +1591,10 @@ unsafe fn public_window_callback_inner<T: 'static>(
       let htouch = HTOUCHINPUT(lparam.0 as _);
       if GetTouchInputInfo(
         htouch,
-        mem::transmute(uninit_inputs),
+        mem::transmute::<
+          &mut [std::mem::MaybeUninit<windows::Win32::UI::Input::Touch::TOUCHINPUT>],
+          &mut [windows::Win32::UI::Input::Touch::TOUCHINPUT],
+        >(uninit_inputs),
         mem::size_of::<TOUCHINPUT>() as i32,
       )
       .is_ok()
@@ -2140,6 +2143,8 @@ unsafe fn public_window_callback_inner<T: 'static>(
             if edges & ABE_BOTTOM != 0 {
               rect.bottom -= 1;
             }
+            // FIXME:
+            #[allow(clippy::bad_bit_mask)]
             if edges & ABE_LEFT != 0 {
               rect.left += 1;
             }
@@ -2427,6 +2432,8 @@ unsafe extern "system" fn thread_event_target_callback<T: 'static>(
   if subclass_removed {
     mem::drop(subclass_input);
   } else {
+    // FIXME: this seems to leak intentionally?
+    #[allow(unused_must_use)]
     Box::into_raw(subclass_input);
   }
   result

src/platform_impl/windows/event_loop/runner.rs

@@ -423,7 +423,7 @@ impl<T> BufferedEvent<T> {
     match self {
       Self::Event(event) => dispatch(event),
       Self::ScaleFactorChanged(window_id, scale_factor, mut new_inner_size) => {
-        let os_inner_size = new_inner_size.clone();
+        let os_inner_size = new_inner_size;
 
         dispatch(Event::WindowEvent {
           window_id,

src/platform_impl/windows/icon.rs

@@ -29,7 +29,7 @@ impl RgbaIcon {
     let pixels =
       unsafe { std::slice::from_raw_parts_mut(rgba.as_mut_ptr() as *mut Pixel, pixel_count) };
     for pixel in pixels {
-      and_mask.push(pixel.a.wrapping_sub(std::u8::MAX)); // invert alpha channel
+      and_mask.push(pixel.a.wrapping_sub(u8::MAX)); // invert alpha channel
       pixel.to_bgra();
     }
     assert_eq!(and_mask.len(), pixel_count);

src/platform_impl/windows/mod.rs

@@ -2,8 +2,6 @@
 // Copyright 2021-2023 Tauri Programme within The Commons Conservancy
 // SPDX-License-Identifier: Apache-2.0
 
-#![cfg(target_os = "windows")]
-
 use windows::Win32::{
   Foundation::{HANDLE, HWND},
   UI::WindowsAndMessaging::HMENU,

src/platform_impl/windows/raw_input.rs

@@ -22,7 +22,7 @@ pub fn get_raw_input_device_list() -> Option<Vec<RAWINPUTDEVICELIST>> {
   let mut num_devices = 0;
   let status = unsafe { GetRawInputDeviceList(None, &mut num_devices, list_size) };
 
-  if status == u32::max_value() {
+  if status == u32::MAX {
     return None;
   }
 
@@ -31,7 +31,7 @@ pub fn get_raw_input_device_list() -> Option<Vec<RAWINPUTDEVICELIST>> {
   let num_stored =
     unsafe { GetRawInputDeviceList(Some(buffer.as_ptr() as _), &mut num_devices, list_size) };
 
-  if num_stored == u32::max_value() {
+  if num_stored == u32::MAX {
     return None;
   }
 
@@ -80,7 +80,7 @@ pub fn get_raw_input_device_info(handle: HANDLE) -> Option<RawDeviceInfo> {
     )
   };
 
-  if status == u32::max_value() || status == 0 {
+  if status == u32::MAX || status == 0 {
     return None;
   }
 
@@ -109,7 +109,7 @@ pub fn get_raw_input_device_name(handle: HANDLE) -> Option<String> {
     )
   };
 
-  if status == u32::max_value() || status == 0 {
+  if status == u32::MAX || status == 0 {
     return None;
   }
 
@@ -174,7 +174,7 @@ pub fn get_raw_input_data(handle: HRAWINPUT) -> Option<RAWINPUT> {
     )
   };
 
-  if status == u32::max_value() || status == 0 {
+  if status == u32::MAX || status == 0 {
     return None;
   }
 

src/platform_impl/windows/util.rs

@@ -400,7 +400,7 @@ pub fn PRIMARYLANGID(hkl: HKL) -> u32 {
 #[allow(non_snake_case)]
 #[inline]
 pub fn RGB<T: Into<u32>>(r: T, g: T, b: T) -> COLORREF {
-  COLORREF(r.into() | g.into() << 8 | b.into() << 16)
+  COLORREF(r.into() | (g.into() << 8) | (b.into() << 16))
 }
 
 pub unsafe extern "system" fn call_default_window_proc(

src/platform_impl/windows/window.rs

@@ -174,7 +174,7 @@ impl Window {
 
   #[inline]
   pub fn set_focus(&self) {
-    let window = self.window.clone();
+    let window = self.window;
     let window_flags = self.window_state.lock().window_flags();
 
     let is_visible = window_flags.contains(WindowFlags::VISIBLE);
@@ -711,7 +711,7 @@ impl Window {
 
   #[inline]
   pub fn set_fullscreen(&self, fullscreen: Option<Fullscreen>) {
-    let window = self.window.clone();
+    let window = self.window;
     let window_state = Arc::clone(&self.window_state);
 
     let mut window_state_lock = window_state.lock();
@@ -963,7 +963,7 @@ impl Window {
 
   #[inline]
   pub fn request_user_attention(&self, request_type: Option<UserAttentionType>) {
-    let window = self.window.clone();
+    let window = self.window;
     let active_window_handle = unsafe { GetActiveWindow() };
     if window.0 == active_window_handle {
       // active window could be minimized, so we skip requesting attention
@@ -1025,7 +1025,7 @@ impl Window {
         vk,
         scancode,
         Some(&kbd_state),
-        mem::transmute(char_buff.as_mut()),
+        mem::transmute::<&mut [std::mem::MaybeUninit<u16>], &mut [u16]>(char_buff.as_mut()),
         0,
       );
     }
@@ -1094,9 +1094,7 @@ impl Window {
     let taskbar: ITaskbarList =
       unsafe { CoCreateInstance(&TaskbarList, None, CLSCTX_SERVER).unwrap() };
 
-    let icon = icon
-      .map(|i| i.inner.as_raw_handle())
-      .unwrap_or(HICON::default());
+    let icon = icon.map(|i| i.inner.as_raw_handle()).unwrap_or_default();
 
     unsafe {
       taskbar
@@ -1107,7 +1105,7 @@ impl Window {
 
   #[inline]
   pub fn set_undecorated_shadow(&self, shadow: bool) {
-    let window = self.window.clone();
+    let window = self.window;
     let window_state = Arc::clone(&self.window_state);
 
     self.thread_executor.execute_in_thread(move || {
@@ -1474,7 +1472,7 @@ thread_local! {
         }
     };
 
-    static TASKBAR_LIST: RefCell<Option<ITaskbarList2>> = RefCell::new(None);
+    static TASKBAR_LIST: RefCell<Option<ITaskbarList2>> = const { RefCell::new(None) };
 }
 
 pub fn com_initialized() {

src/window.rs

@@ -150,15 +150,15 @@ pub struct WindowAttributes {
   /// ## Platform-specific
   ///
   /// - **macOS**: The top left corner position of the window content, the window's "inner"
-  /// position. The window title bar will be placed above it.
-  /// The window will be positioned such that it fits on screen, maintaining
-  /// set `inner_size` if any.
-  /// If you need to precisely position the top left corner of the whole window you have to
-  /// use [`Window::set_outer_position`] after creating the window.
+  ///   position. The window title bar will be placed above it.
+  ///   The window will be positioned such that it fits on screen, maintaining
+  ///   set `inner_size` if any.
+  ///   If you need to precisely position the top left corner of the whole window you have to
+  ///   use [`Window::set_outer_position`] after creating the window.
   /// - **Windows**: The top left corner position of the window title bar, the window's "outer"
-  /// position.
-  /// There may be a small gap between this position and the window due to the specifics of the
-  /// Window Manager.
+  ///   position.
+  ///   There may be a small gap between this position and the window due to the specifics of the
+  ///   Window Manager.
   /// - **Linux**: The top left corner of the window, the window's "outer" position.
   /// - **Linux(Wayland)**: Unsupported.
   /// - **Others**: Ignored.
@@ -859,11 +859,11 @@ impl Window {
   /// ## Platform-specific
   ///
   /// - **Linux:** Most size methods like maximized are async and do not work well with calling
-  /// sequentailly. For setting inner or outer size, you don't need to set resizable to true before
-  /// it. It can resize no matter what. But if you insist to do so, it has a `100, 100` minimum
-  /// limitation somehow. For maximizing, it requires resizable is true. If you really want to set
-  /// resizable to false after it. You might need a mechanism to check the window is really
-  /// maximized.
+  ///   sequentailly. For setting inner or outer size, you don't need to set resizable to true before
+  ///   it. It can resize no matter what. But if you insist to do so, it has a `100, 100` minimum
+  ///   limitation somehow. For maximizing, it requires resizable is true. If you really want to set
+  ///   resizable to false after it. You might need a mechanism to check the window is really
+  ///   maximized.
   /// - **iOS / Android:** Unsupported.
   #[inline]
   pub fn set_resizable(&self, resizable: bool) {
@@ -1394,8 +1394,10 @@ impl rwh_06::HasDisplayHandle for Window {
 #[non_exhaustive]
 #[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
 #[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
+#[derive(Default)]
 pub enum CursorIcon {
   /// The platform-dependent default cursor.
+  #[default]
   Default,
   /// A simple crosshair.
   Crosshair,
@@ -1450,12 +1452,6 @@ pub enum CursorIcon {
   RowResize,
 }
 
-impl Default for CursorIcon {
-  fn default() -> Self {
-    CursorIcon::Default
-  }
-}
-
 /// Fullscreen modes.
 #[non_exhaustive]
 #[allow(clippy::large_enum_variant)]
@@ -1476,7 +1472,7 @@ pub enum Theme {
 }
 
 #[non_exhaustive]
-#[derive(Debug, Clone, Copy, PartialEq)]
+#[derive(Debug, Clone, Copy, PartialEq, Default)]
 pub enum UserAttentionType {
   /// ## Platform-specific
   /// - **macOS:** Bounces the dock icon until the application is in focus.
@@ -1485,15 +1481,10 @@ pub enum UserAttentionType {
   /// ## Platform-specific
   /// - **macOS:** Bounces the dock icon once.
   /// - **Windows:** Flashes the taskbar button until the application is in focus.
+  #[default]
   Informational,
 }
 
-impl Default for UserAttentionType {
-  fn default() -> Self {
-    UserAttentionType::Informational
-  }
-}
-
 /// Window size constraints
 #[derive(Clone, Copy, PartialEq, Debug, Default)]
 pub struct WindowSizeConstraints {

tao-macros/Cargo.toml

@@ -4,7 +4,7 @@ description = "Proc macros for tao"
 version = "0.1.3"
 edition = "2021"
 authors = [ "Tauri Programme within The Commons Conservancy" ]
-rust-version = "1.56"
+rust-version = "1.74"
 license = "MIT OR Apache-2.0"
 readme = "../README.md"
 repository = "https://github.com/tauri-apps/tao"

tao-macros/src/lib.rs

@@ -185,8 +185,8 @@ impl Parse for AndroidFnInput {
 /// }
 /// ```
 ///
-/// - [`JNIEnv`]: https://docs.rs/jni/latest/jni/struct.JNIEnv.html
-/// - [`JClass`]: https://docs.rs/jni/latest/jni/objects/struct.JClass.html
+/// [`JNIEnv`]: https://docs.rs/jni/latest/jni/struct.JNIEnv.html
+/// [`JClass`]: https://docs.rs/jni/latest/jni/objects/struct.JClass.html
 #[proc_macro]
 pub fn android_fn(tokens: TokenStream) -> TokenStream {
   let tokens = parse_macro_input!(tokens as AndroidFnInput);