Draft Shell:request_redraw API

... and implement `TextInput` cursor blink 🎉

examples/events/Cargo.toml

@@ -6,5 +6,5 @@ edition = "2021"
 publish = false
 
 [dependencies]
-iced = { path = "../.." }
+iced = { path = "../..", features = ["debug"] }
 iced_native = { path = "../../native" }

examples/events/src/main.rs

@@ -1,11 +1,12 @@
 use iced::alignment;
 use iced::executor;
 use iced::widget::{button, checkbox, container, text, Column};
+use iced::window;
 use iced::{
     Alignment, Application, Command, Element, Length, Settings, Subscription,
     Theme,
 };
-use iced_native::{window, Event};
+use iced_native::Event;
 
 pub fn main() -> iced::Result {
     Events::run(Settings {
@@ -18,7 +19,6 @@ pub fn main() -> iced::Result {
 struct Events {
     last: Vec<iced_native::Event>,
     enabled: bool,
-    should_exit: bool,
 }
 
 #[derive(Debug, Clone)]
@@ -50,31 +50,29 @@ impl Application for Events {
                 if self.last.len() > 5 {
                     let _ = self.last.remove(0);
                 }
+
+                Command::none()
             }
             Message::EventOccurred(event) => {
                 if let Event::Window(window::Event::CloseRequested) = event {
-                    self.should_exit = true;
+                    window::close()
+                } else {
+                    Command::none()
                 }
             }
             Message::Toggled(enabled) => {
                 self.enabled = enabled;
-            }
-            Message::Exit => {
-                self.should_exit = true;
-            }
-        };
 
-        Command::none()
+                Command::none()
+            }
+            Message::Exit => window::close(),
+        }
     }
 
     fn subscription(&self) -> Subscription<Message> {
         iced_native::subscription::events().map(Message::EventOccurred)
     }
 
-    fn should_exit(&self) -> bool {
-        self.should_exit
-    }
-
     fn view(&self) -> Element<Message> {
         let events = Column::with_children(
             self.last

examples/exit/src/main.rs

@@ -1,5 +1,7 @@
+use iced::executor;
 use iced::widget::{button, column, container};
-use iced::{Alignment, Element, Length, Sandbox, Settings};
+use iced::window;
+use iced::{Alignment, Application, Command, Element, Length, Settings, Theme};
 
 pub fn main() -> iced::Result {
     Exit::run(Settings::default())
@@ -8,7 +10,6 @@ pub fn main() -> iced::Result {
 #[derive(Default)]
 struct Exit {
     show_confirm: bool,
-    exit: bool,
 }
 
 #[derive(Debug, Clone, Copy)]
@@ -17,28 +18,27 @@ enum Message {
     Exit,
 }
 
-impl Sandbox for Exit {
+impl Application for Exit {
+    type Executor = executor::Default;
     type Message = Message;
+    type Theme = Theme;
+    type Flags = ();
 
-    fn new() -> Self {
-        Self::default()
+    fn new(_flags: ()) -> (Self, Command<Message>) {
+        (Self::default(), Command::none())
     }
 
     fn title(&self) -> String {
         String::from("Exit - Iced")
     }
 
-    fn should_exit(&self) -> bool {
-        self.exit
-    }
-
-    fn update(&mut self, message: Message) {
+    fn update(&mut self, message: Message) -> Command<Message> {
         match message {
-            Message::Confirm => {
-                self.exit = true;
-            }
+            Message::Confirm => window::close(),
             Message::Exit => {
                 self.show_confirm = true;
+
+                Command::none()
             }
         }
     }