Use cfg aliases throught the code base

Co-authored-by: Mads Marquart <mads@marquart.dk>

examples/child_window.rs

@@ -1,8 +1,4 @@
-#[cfg(any(
-    all(target_os = "linux", feature = "x11"),
-    target_os = "macos",
-    target_os = "windows"
-))]
+#[cfg(any(x11_platform, macos_platform, windows_platform))]
 fn main() {
     use std::collections::HashMap;
 
@@ -78,11 +74,7 @@ fn main() {
     })
 }
 
-#[cfg(not(any(
-    all(target_os = "linux", feature = "x11"),
-    target_os = "macos",
-    target_os = "windows"
-)))]
+#[cfg(not(any(x11_platform, macos_platform, windows_platform)))]
 fn main() {
     panic!("This example is supported only on x11, macOS, and Windows.");
 }

examples/custom_events.rs

@@ -1,6 +1,6 @@
 #![allow(clippy::single_match)]
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(wasm_platform))]
 fn main() {
     use simple_logger::SimpleLogger;
     use winit::{
@@ -49,7 +49,7 @@ fn main() {
     });
 }
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(wasm_platform)]
 fn main() {
     panic!("This example is not supported on web.");
 }

examples/multithreaded.rs

@@ -1,6 +1,6 @@
 #![allow(clippy::single_match)]
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(wasm_platform))]
 fn main() {
     use std::{collections::HashMap, sync::mpsc, thread, time::Duration};
 
@@ -193,7 +193,7 @@ fn main() {
     })
 }
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(wasm_platform)]
 fn main() {
     panic!("Example not supported on Wasm");
 }

examples/request_redraw_threaded.rs

@@ -1,6 +1,6 @@
 #![allow(clippy::single_match)]
 
-#[cfg(not(target_arch = "wasm32"))]
+#[cfg(not(wasm_platform))]
 fn main() {
     use std::{thread, time};
 
@@ -42,7 +42,7 @@ fn main() {
     });
 }
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(wasm_platform)]
 fn main() {
     unimplemented!() // `Window` can't be sent between threads
 }

examples/web.rs

@@ -14,13 +14,13 @@ pub fn main() {
         .build(&event_loop)
         .unwrap();
 
-    #[cfg(target_arch = "wasm32")]
+    #[cfg(wasm_platform)]
     let log_list = wasm::insert_canvas_and_create_log_list(&window);
 
     event_loop.run(move |event, _, control_flow| {
         control_flow.set_wait();
 
-        #[cfg(target_arch = "wasm32")]
+        #[cfg(wasm_platform)]
         wasm::log_event(&log_list, &event);
 
         match event {
@@ -36,7 +36,7 @@ pub fn main() {
     });
 }
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(wasm_platform)]
 mod wasm {
     use wasm_bindgen::prelude::*;
     use winit::{event::Event, window::Window};

examples/web_aspect_ratio.rs

@@ -2,7 +2,7 @@ pub fn main() {
     println!("This example must be run with cargo run-wasm --example web_aspect_ratio")
 }
 
-#[cfg(target_arch = "wasm32")]
+#[cfg(wasm_platform)]
 mod wasm {
     use wasm_bindgen::prelude::*;
     use wasm_bindgen::JsCast;

examples/window_run_return.rs

@@ -2,14 +2,11 @@
 
 // Limit this example to only compatible platforms.
 #[cfg(any(
-    target_os = "windows",
-    target_os = "macos",
-    target_os = "linux",
-    target_os = "dragonfly",
-    target_os = "freebsd",
-    target_os = "netbsd",
-    target_os = "openbsd",
-    target_os = "android",
+    windows_platform,
+    macos_platform,
+    x11_platform,
+    wayland_platform,
+    android_platform
 ))]
 fn main() {
     use std::{thread::sleep, time::Duration};
@@ -60,7 +57,7 @@ fn main() {
     }
 }
 
-#[cfg(any(target_os = "ios", target_arch = "wasm32"))]
+#[cfg(any(ios_platform, wasm_platform))]
 fn main() {
     println!("This platform doesn't support run_return.");
 }