Implement common Std traits on many types (#3796)

src/platform_impl/android/mod.rs

@@ -112,7 +112,7 @@ pub struct EventLoop {
     combining_accent: Option<char>,
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash)]
 pub(crate) struct PlatformSpecificEventLoopAttributes {
     pub(crate) android_app: Option<AndroidApp>,
     pub(crate) ignore_volume_keys: bool,
@@ -662,7 +662,7 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/apple/appkit/event_loop.rs

@@ -375,7 +375,7 @@ impl EventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/apple/appkit/window_delegate.rs

@@ -42,7 +42,7 @@ use crate::window::{
     WindowAttributes, WindowButtons, WindowId as RootWindowId, WindowLevel,
 };
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct PlatformSpecificWindowAttributes {
     pub movable_by_window_background: bool,
     pub titlebar_transparent: bool,

src/platform_impl/apple/uikit/event_loop.rs

@@ -112,7 +112,7 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/apple/uikit/window.rs

@@ -702,7 +702,7 @@ impl From<&AnyObject> for WindowId {
     }
 }
 
-#[derive(Clone, Debug, Default)]
+#[derive(Clone, Debug, Default, PartialEq)]
 pub struct PlatformSpecificWindowAttributes {
     pub scale_factor: Option<f64>,
     pub valid_orientations: ValidOrientations,

src/platform_impl/linux/mod.rs

@@ -67,7 +67,7 @@ impl ApplicationName {
     }
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct PlatformSpecificWindowAttributes {
     pub name: Option<ApplicationName>,
     pub activation_token: Option<ActivationToken>,
@@ -75,7 +75,7 @@ pub struct PlatformSpecificWindowAttributes {
     pub x11: X11WindowAttributes,
 }
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq)]
 #[cfg(x11_platform)]
 pub struct X11WindowAttributes {
     pub visual_id: Option<x11rb::protocol::xproto::Visualid>,
@@ -194,7 +194,7 @@ impl FingerId {
     }
 }
 
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
+#[derive(Debug, Clone, PartialEq, Eq, Hash, PartialOrd, Ord)]
 pub enum MonitorHandle {
     #[cfg(x11_platform)]
     X(x11::MonitorHandle),
@@ -850,6 +850,21 @@ impl OwnedDisplayHandle {
     }
 }
 
+impl PartialEq for OwnedDisplayHandle {
+    fn eq(&self, other: &Self) -> bool {
+        match (self, other) {
+            #[cfg(x11_platform)]
+            (Self::X(this), Self::X(other)) => Arc::as_ptr(this).eq(&Arc::as_ptr(other)),
+            #[cfg(wayland_platform)]
+            (Self::Wayland(this), Self::Wayland(other)) => this.eq(other),
+            #[cfg(all(x11_platform, wayland_platform))]
+            _ => false,
+        }
+    }
+}
+
+impl Eq for OwnedDisplayHandle {}
+
 /// Returns the minimum `Option<Duration>`, taking into account that `None`
 /// equates to an infinite timeout, not a zero timeout (so can't just use
 /// `Option::min`)

src/platform_impl/orbital/event_loop.rs

@@ -796,7 +796,7 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/web/cursor.rs

@@ -27,7 +27,7 @@ use super::ActiveEventLoop;
 use crate::cursor::{BadImage, Cursor, CursorImage, CustomCursor as RootCustomCursor};
 use crate::platform::web::CustomCursorError;
 
-#[derive(Debug)]
+#[derive(Clone, Debug, Eq, Hash, PartialEq)]
 pub(crate) enum CustomCursorSource {
     Image(CursorImage),
     Url { url: String, hotspot_x: u16, hotspot_y: u16 },

src/platform_impl/web/event_loop/window_target.rs

@@ -711,7 +711,7 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/web/window.rs

@@ -457,6 +457,18 @@ pub struct PlatformSpecificWindowAttributes {
     pub(crate) append: bool,
 }
 
+impl PartialEq for PlatformSpecificWindowAttributes {
+    fn eq(&self, other: &Self) -> bool {
+        (match (&self.canvas, &other.canvas) {
+            (Some(this), Some(other)) => Arc::ptr_eq(this, other),
+            (None, None) => true,
+            _ => false,
+        }) && self.prevent_default.eq(&other.prevent_default)
+            && self.focusable.eq(&other.focusable)
+            && self.append.eq(&other.append)
+    }
+}
+
 impl PlatformSpecificWindowAttributes {
     pub(crate) fn set_canvas(&mut self, canvas: Option<backend::RawCanvasType>) {
         let Some(canvas) = canvas else {

src/platform_impl/windows/event_loop.rs

@@ -143,6 +143,28 @@ impl Default for PlatformSpecificEventLoopAttributes {
     }
 }
 
+impl PartialEq for PlatformSpecificEventLoopAttributes {
+    fn eq(&self, other: &Self) -> bool {
+        self.any_thread.eq(&other.any_thread)
+            && self.dpi_aware.eq(&other.dpi_aware)
+            && match (&self.msg_hook, &other.msg_hook) {
+                (Some(this), Some(other)) => std::ptr::eq(&this, &other),
+                (None, None) => true,
+                _ => false,
+            }
+    }
+}
+
+impl Eq for PlatformSpecificEventLoopAttributes {}
+
+impl std::hash::Hash for PlatformSpecificEventLoopAttributes {
+    fn hash<H: std::hash::Hasher>(&self, state: &mut H) {
+        self.any_thread.hash(state);
+        self.dpi_aware.hash(state);
+        std::ptr::hash(&self.msg_hook, state);
+    }
+}
+
 pub struct ActiveEventLoop {
     thread_id: u32,
     thread_msg_target: HWND,
@@ -565,7 +587,7 @@ impl rwh_06::HasDisplayHandle for ActiveEventLoop {
     }
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq)]
 pub(crate) struct OwnedDisplayHandle;
 
 impl OwnedDisplayHandle {

src/platform_impl/windows/icon.rs

@@ -63,12 +63,12 @@ pub enum IconType {
     Big = ICON_BIG as isize,
 }
 
-#[derive(Debug)]
+#[derive(Debug, PartialEq, Eq, Hash)]
 struct RaiiIcon {
     handle: HICON,
 }
 
-#[derive(Clone)]
+#[derive(Clone, PartialEq, Eq, Hash)]
 pub struct WinIcon {
     inner: Arc<RaiiIcon>,
 }

src/platform_impl/windows/mod.rs

@@ -17,7 +17,7 @@ use crate::keyboard::Key;
 use crate::platform::windows::{BackdropType, Color, CornerPreference};
 use crate::platform_impl::Fullscreen;
 
-#[derive(Clone, Debug)]
+#[derive(Clone, Debug, PartialEq)]
 pub struct PlatformSpecificWindowAttributes {
     pub owner: Option<HWND>,
     pub menu: Option<HMENU>,