Introduce multi_window to iced_glutin

Cargo.toml

@@ -47,7 +47,7 @@ chrome-trace = [
     "iced_glow?/tracing",
 ]
 # Enables experimental multi-window support
-multi_window = ["iced_winit/multi_window"]
+multi_window = ["iced_winit/multi_window", "iced_glutin/multi_window"]
 
 [badges]
 maintenance = { status = "actively-developed" }

glutin/Cargo.toml

@@ -14,6 +14,7 @@ categories = ["gui"]
 trace = ["iced_winit/trace"]
 debug = ["iced_winit/debug"]
 system = ["iced_winit/system"]
+multi_window = ["iced_winit/multi_window"]
 
 [dependencies.log]
 version = "0.4"

glutin/src/lib.rs

@@ -29,5 +29,8 @@ pub use iced_winit::*;
 
 pub mod application;
 
+#[cfg(feature = "multi_window")]
+pub mod multi_window;
+
 #[doc(no_inline)]
 pub use application::Application;

glutin/src/multi_window.rs

@@ -0,0 +1,21 @@
+//! Create interactive, native cross-platform applications.
+use crate::{Error, Executor};
+
+pub use iced_winit::multi_window::{Application, StyleSheet};
+
+use iced_winit::Settings;
+
+/// Runs an [`Application`] with an executor, compositor, and the provided
+/// settings.
+pub fn run<A, E, C>(
+    _settings: Settings<A::Flags>,
+    _compositor_settings: C::Settings,
+) -> Result<(), Error>
+where
+    A: Application + 'static,
+    E: Executor + 'static,
+    C: iced_graphics::window::GLCompositor<Renderer = A::Renderer> + 'static,
+    <A::Renderer as iced_native::Renderer>::Theme: StyleSheet,
+{
+    unimplemented!("iced_glutin not implemented!")
+}