shortcut

src/main.rs

@@ -1,5 +1,6 @@
 mod polygon_draw;
 use iced::advanced::subscription;
+use iced::keyboard::Modifiers;
 use polygon_draw::Polygon;
 
 mod music;
@@ -429,11 +430,37 @@ impl MyApp {
     }
 
     fn subscription(&self) -> iced::Subscription<Message> {
+        let subscr_key = event::listen_with(|event, status, _| match (event, status) {
+            (
+                Event::Keyboard(iced::keyboard::Event::KeyPressed {
+                    key: Key::Character(c),
+                    modifiers: Modifiers::CTRL,
+                    ..
+                }),
+                Status::Ignored,
+            ) if c.as_ref() == "s" => Some(Message::Save),
+            (
+                Event::Keyboard(iced::keyboard::Event::KeyPressed {
+                    key: Key::Named(Named::Space),
+                    ..
+                }),
+                Status::Ignored,
+            ) => Some(Message::TogglePaused),
+            (
+                Event::Keyboard(iced::keyboard::Event::KeyPressed {
+                    key: Key::Named(Named::ArrowUp),
+                    ..
+                }),
+                Status::Ignored,
+            ) => Some(Message::ChangeDelta(0.0)),
+            _ => None,
+        });
         if self.paused {
-            Subscription::none()
+            subscr_key
         } else {
             iced::Subscription::batch([
-                iced::time::every(std::time::Duration::from_millis(16)).map(|_| Message::Tick)
+                subscr_key,
+                iced::time::every(std::time::Duration::from_millis(16)).map(|_| Message::Tick),
             ])
         }
     }