start testing suil/winit

crates/suil/src/test.rs

@@ -0,0 +1,47 @@
+use crate::*;
+
+#[test]
+fn panics () {
+    self::ui::UI::run().join();
+    panic!();
+}
+
+mod ui {
+    use std::thread::{spawn, JoinHandle};
+    use ::winit::{
+        application::ApplicationHandler,
+        event::WindowEvent,
+        event_loop::{ActiveEventLoop, ControlFlow, EventLoop},
+        window::{Window, WindowId},
+        platform::x11::EventLoopBuilderExtX11
+    };
+    pub struct UI(Option<Window>);
+    impl UI {
+        pub fn new () -> Self { Self(None) }
+        pub fn run () -> JoinHandle<()> {
+            let mut ui = Self::new();
+            spawn(move||{
+                let event_loop = EventLoop::builder().with_x11().with_any_thread(true).build().unwrap();
+                event_loop.set_control_flow(ControlFlow::Wait);
+                event_loop.run_app(&mut ui).unwrap()
+            })
+        }
+    }
+    impl ApplicationHandler for UI {
+        fn resumed (&mut self, event_loop: &ActiveEventLoop) {
+            self.0 = Some(event_loop.create_window(Window::default_attributes()).unwrap());
+        }
+        fn window_event (&mut self, event_loop: &ActiveEventLoop, id: WindowId, event: WindowEvent) {
+            match event {
+                WindowEvent::CloseRequested => {
+                    self.0.as_ref().unwrap().set_visible(false);
+                    event_loop.exit();
+                },
+                WindowEvent::RedrawRequested => {
+                    self.0.as_ref().unwrap().request_redraw();
+                }
+                _ => (),
+            }
+        }
+    }
+}