feat(executor): add cosmic::executor::Default

examples/cosmic/src/window.rs

@@ -302,7 +302,7 @@ impl Window {
 }
 
 impl Application for Window {
-    type Executor = iced::executor::Default;
+    type Executor = cosmic::executor::Default;
     type Flags = ();
     type Message = Message;
     type Theme = Theme;

src/executor/mod.rs

@@ -0,0 +1,7 @@
+pub mod single;
+
+#[cfg(not(feature = "tokio"))]
+pub type Default = iced::executor::Default;
+
+#[cfg(feature = "tokio")]
+pub type Default = single::Executor;

src/executor/single.rs

@@ -1,10 +1,10 @@
-use std::{future::Future, thread};
+use std::future::Future;
 
 #[cfg(feature = "tokio")]
-pub struct SingleThreadExecutor(tokio::runtime::Runtime);
+pub struct Executor(tokio::runtime::Runtime);
 
 #[cfg(feature = "tokio")]
-impl iced_native::Executor for SingleThreadExecutor {
+impl iced_native::Executor for Executor {
     fn new() -> Result<Self, iced::futures::io::Error> {
         // Current thread executor requires calling `block_on` to actually run
         // futures. Main thread is busy with things other than running futures,

src/lib.rs

@@ -14,15 +14,14 @@ pub use iced_winit;
 
 #[cfg(feature = "applet")]
 pub mod applet;
+pub mod executor;
 pub mod font;
 pub mod keyboard_nav;
 pub mod theme;
 pub mod widget;
 
 #[cfg(feature = "tokio")]
-mod single_thread_executor;
-#[cfg(feature = "tokio")]
-pub use single_thread_executor::SingleThreadExecutor;
+pub use executor::single::Executor as SingleThreadExecutor;
 
 pub mod settings;
 pub use settings::settings;